Annotation of XML/parser.c, revision 1.186
1.1 veillard 1: /*
1.3 veillard 2: * parser.c : an XML 1.0 non-verifying parser
1.15 veillard 3: *
4: * See Copyright for the status of this software.
5: *
1.60 daniel 6: * Daniel.Veillard@w3.org
1.1 veillard 7: */
8:
1.26 daniel 9: #ifdef WIN32
1.138 daniel 10: #include "win32config.h"
1.26 daniel 11: #else
1.121 daniel 12: #include "config.h"
1.26 daniel 13: #endif
1.121 daniel 14:
1.1 veillard 15: #include <stdio.h>
1.121 daniel 16: #include <string.h> /* for memset() only */
17: #ifdef HAVE_CTYPE_H
1.1 veillard 18: #include <ctype.h>
1.121 daniel 19: #endif
20: #ifdef HAVE_STDLIB_H
1.50 daniel 21: #include <stdlib.h>
1.121 daniel 22: #endif
23: #ifdef HAVE_SYS_STAT_H
1.9 httpng 24: #include <sys/stat.h>
1.121 daniel 25: #endif
1.9 httpng 26: #ifdef HAVE_FCNTL_H
27: #include <fcntl.h>
28: #endif
1.10 httpng 29: #ifdef HAVE_UNISTD_H
30: #include <unistd.h>
31: #endif
1.20 daniel 32: #ifdef HAVE_ZLIB_H
33: #include <zlib.h>
34: #endif
1.1 veillard 35:
1.119 daniel 36: #include "xmlmemory.h"
1.14 veillard 37: #include "tree.h"
1.1 veillard 38: #include "parser.h"
1.14 veillard 39: #include "entities.h"
1.75 daniel 40: #include "encoding.h"
1.61 daniel 41: #include "valid.h"
1.69 daniel 42: #include "parserInternals.h"
1.91 daniel 43: #include "xmlIO.h"
1.122 daniel 44: #include "xml-error.h"
1.1 veillard 45:
1.140 daniel 46: #define XML_PARSER_BIG_BUFFER_SIZE 1000
47: #define XML_PARSER_BUFFER_SIZE 100
48:
1.86 daniel 49: const char *xmlParserVersion = LIBXML_VERSION;
1.160 daniel 50: int xmlGetWarningsDefaultValue = 1;
1.86 daniel 51:
1.139 daniel 52: /*
53: * List of XML prefixed PI allowed by W3C specs
54: */
55:
56: const char *xmlW3CPIs[] = {
57: "xml-stylesheet",
58: NULL
59: };
1.91 daniel 60:
1.151 daniel 61: void xmlParserHandleReference(xmlParserCtxtPtr ctxt);
62: void xmlParserHandlePEReference(xmlParserCtxtPtr ctxt);
63: xmlEntityPtr xmlParseStringPEReference(xmlParserCtxtPtr ctxt,
64: const xmlChar **str);
1.91 daniel 65: /************************************************************************
66: * *
67: * Input handling functions for progressive parsing *
68: * *
69: ************************************************************************/
70:
71: /* #define DEBUG_INPUT */
1.140 daniel 72: /* #define DEBUG_STACK */
73: /* #define DEBUG_PUSH */
74:
1.91 daniel 75:
1.110 daniel 76: #define INPUT_CHUNK 250
77: /* we need to keep enough input to show errors in context */
78: #define LINE_LEN 80
1.91 daniel 79:
80: #ifdef DEBUG_INPUT
81: #define CHECK_BUFFER(in) check_buffer(in)
82:
83: void check_buffer(xmlParserInputPtr in) {
84: if (in->base != in->buf->buffer->content) {
85: fprintf(stderr, "xmlParserInput: base mismatch problem\n");
86: }
87: if (in->cur < in->base) {
88: fprintf(stderr, "xmlParserInput: cur < base problem\n");
89: }
90: if (in->cur > in->base + in->buf->buffer->use) {
91: fprintf(stderr, "xmlParserInput: cur > base + use problem\n");
92: }
93: fprintf(stderr,"buffer %x : content %x, cur %d, use %d, size %d\n",
94: (int) in, (int) in->buf->buffer->content, in->cur - in->base,
95: in->buf->buffer->use, in->buf->buffer->size);
96: }
97:
1.110 daniel 98: #else
99: #define CHECK_BUFFER(in)
100: #endif
101:
1.91 daniel 102:
103: /**
104: * xmlParserInputRead:
105: * @in: an XML parser input
106: * @len: an indicative size for the lookahead
107: *
108: * This function refresh the input for the parser. It doesn't try to
109: * preserve pointers to the input buffer, and discard already read data
110: *
1.123 daniel 111: * Returns the number of xmlChars read, or -1 in case of error, 0 indicate the
1.91 daniel 112: * end of this entity
113: */
114: int
115: xmlParserInputRead(xmlParserInputPtr in, int len) {
116: int ret;
117: int used;
118: int index;
119:
120: #ifdef DEBUG_INPUT
121: fprintf(stderr, "Read\n");
122: #endif
123: if (in->buf == NULL) return(-1);
124: if (in->base == NULL) return(-1);
125: if (in->cur == NULL) return(-1);
126: if (in->buf->buffer == NULL) return(-1);
127:
128: CHECK_BUFFER(in);
129:
130: used = in->cur - in->buf->buffer->content;
131: ret = xmlBufferShrink(in->buf->buffer, used);
132: if (ret > 0) {
133: in->cur -= ret;
134: in->consumed += ret;
135: }
136: ret = xmlParserInputBufferRead(in->buf, len);
137: if (in->base != in->buf->buffer->content) {
138: /*
139: * the buffer has been realloced
140: */
141: index = in->cur - in->base;
142: in->base = in->buf->buffer->content;
143: in->cur = &in->buf->buffer->content[index];
144: }
145:
146: CHECK_BUFFER(in);
147:
148: return(ret);
149: }
150:
151: /**
152: * xmlParserInputGrow:
153: * @in: an XML parser input
154: * @len: an indicative size for the lookahead
155: *
156: * This function increase the input for the parser. It tries to
157: * preserve pointers to the input buffer, and keep already read data
158: *
1.123 daniel 159: * Returns the number of xmlChars read, or -1 in case of error, 0 indicate the
1.91 daniel 160: * end of this entity
161: */
162: int
163: xmlParserInputGrow(xmlParserInputPtr in, int len) {
164: int ret;
165: int index;
166:
167: #ifdef DEBUG_INPUT
168: fprintf(stderr, "Grow\n");
169: #endif
170: if (in->buf == NULL) return(-1);
171: if (in->base == NULL) return(-1);
172: if (in->cur == NULL) return(-1);
173: if (in->buf->buffer == NULL) return(-1);
174:
175: CHECK_BUFFER(in);
176:
177: index = in->cur - in->base;
178: if (in->buf->buffer->use > index + INPUT_CHUNK) {
179:
180: CHECK_BUFFER(in);
181:
182: return(0);
183: }
1.148 daniel 184: if ((in->buf->httpIO != NULL) || (in->buf->ftpIO != NULL) ||
185: (in->buf->file != NULL) ||
1.140 daniel 186: #ifdef HAVE_ZLIB_H
187: (in->buf->gzfile != NULL) ||
188: #endif
189: (in->buf->fd >= 0))
190: ret = xmlParserInputBufferGrow(in->buf, len);
191: else
192: return(0);
1.135 daniel 193:
194: /*
195: * NOTE : in->base may be a "dandling" i.e. freed pointer in this
196: * block, but we use it really as an integer to do some
197: * pointer arithmetic. Insure will raise it as a bug but in
198: * that specific case, that's not !
199: */
1.91 daniel 200: if (in->base != in->buf->buffer->content) {
201: /*
202: * the buffer has been realloced
203: */
204: index = in->cur - in->base;
205: in->base = in->buf->buffer->content;
206: in->cur = &in->buf->buffer->content[index];
207: }
208:
209: CHECK_BUFFER(in);
210:
211: return(ret);
212: }
213:
214: /**
215: * xmlParserInputShrink:
216: * @in: an XML parser input
217: *
218: * This function removes used input for the parser.
219: */
220: void
221: xmlParserInputShrink(xmlParserInputPtr in) {
222: int used;
223: int ret;
224: int index;
225:
226: #ifdef DEBUG_INPUT
227: fprintf(stderr, "Shrink\n");
228: #endif
229: if (in->buf == NULL) return;
230: if (in->base == NULL) return;
231: if (in->cur == NULL) return;
232: if (in->buf->buffer == NULL) return;
233:
234: CHECK_BUFFER(in);
235:
236: used = in->cur - in->buf->buffer->content;
237: if (used > INPUT_CHUNK) {
1.110 daniel 238: ret = xmlBufferShrink(in->buf->buffer, used - LINE_LEN);
1.91 daniel 239: if (ret > 0) {
240: in->cur -= ret;
241: in->consumed += ret;
242: }
243: }
244:
245: CHECK_BUFFER(in);
246:
247: if (in->buf->buffer->use > INPUT_CHUNK) {
248: return;
249: }
250: xmlParserInputBufferRead(in->buf, 2 * INPUT_CHUNK);
251: if (in->base != in->buf->buffer->content) {
252: /*
253: * the buffer has been realloced
254: */
255: index = in->cur - in->base;
256: in->base = in->buf->buffer->content;
257: in->cur = &in->buf->buffer->content[index];
258: }
259:
260: CHECK_BUFFER(in);
261: }
262:
1.45 daniel 263: /************************************************************************
264: * *
265: * Parser stacks related functions and macros *
266: * *
267: ************************************************************************/
1.79 daniel 268:
269: int xmlSubstituteEntitiesDefaultValue = 0;
1.100 daniel 270: int xmlDoValidityCheckingDefaultValue = 0;
1.180 daniel 271: int xmlKeepBlanksDefaultValue = 1;
1.135 daniel 272: xmlEntityPtr xmlParseStringEntityRef(xmlParserCtxtPtr ctxt,
273: const xmlChar ** str);
1.79 daniel 274:
1.1 veillard 275: /*
1.40 daniel 276: * Generic function for accessing stacks in the Parser Context
1.1 veillard 277: */
278:
1.140 daniel 279: #define PUSH_AND_POP(scope, type, name) \
280: scope int name##Push(xmlParserCtxtPtr ctxt, type value) { \
1.31 daniel 281: if (ctxt->name##Nr >= ctxt->name##Max) { \
282: ctxt->name##Max *= 2; \
1.119 daniel 283: ctxt->name##Tab = (void *) xmlRealloc(ctxt->name##Tab, \
1.40 daniel 284: ctxt->name##Max * sizeof(ctxt->name##Tab[0])); \
285: if (ctxt->name##Tab == NULL) { \
1.31 daniel 286: fprintf(stderr, "realloc failed !\n"); \
1.145 daniel 287: return(0); \
1.31 daniel 288: } \
289: } \
1.40 daniel 290: ctxt->name##Tab[ctxt->name##Nr] = value; \
291: ctxt->name = value; \
292: return(ctxt->name##Nr++); \
1.31 daniel 293: } \
1.140 daniel 294: scope type name##Pop(xmlParserCtxtPtr ctxt) { \
1.69 daniel 295: type ret; \
1.40 daniel 296: if (ctxt->name##Nr <= 0) return(0); \
297: ctxt->name##Nr--; \
1.50 daniel 298: if (ctxt->name##Nr > 0) \
299: ctxt->name = ctxt->name##Tab[ctxt->name##Nr - 1]; \
300: else \
301: ctxt->name = NULL; \
1.69 daniel 302: ret = ctxt->name##Tab[ctxt->name##Nr]; \
303: ctxt->name##Tab[ctxt->name##Nr] = 0; \
304: return(ret); \
1.31 daniel 305: } \
306:
1.140 daniel 307: PUSH_AND_POP(extern, xmlParserInputPtr, input)
308: PUSH_AND_POP(extern, xmlNodePtr, node)
309: PUSH_AND_POP(extern, xmlChar*, name)
1.40 daniel 310:
1.176 daniel 311: int spacePush(xmlParserCtxtPtr ctxt, int val) {
312: if (ctxt->spaceNr >= ctxt->spaceMax) {
313: ctxt->spaceMax *= 2;
314: ctxt->spaceTab = (void *) xmlRealloc(ctxt->spaceTab,
315: ctxt->spaceMax * sizeof(ctxt->spaceTab[0]));
316: if (ctxt->spaceTab == NULL) {
317: fprintf(stderr, "realloc failed !\n");
318: return(0);
319: }
320: }
321: ctxt->spaceTab[ctxt->spaceNr] = val;
322: ctxt->space = &ctxt->spaceTab[ctxt->spaceNr];
323: return(ctxt->spaceNr++);
324: }
325:
326: int spacePop(xmlParserCtxtPtr ctxt) {
327: int ret;
328: if (ctxt->spaceNr <= 0) return(0);
329: ctxt->spaceNr--;
330: if (ctxt->spaceNr > 0)
331: ctxt->space = &ctxt->spaceTab[ctxt->spaceNr - 1];
332: else
333: ctxt->space = NULL;
334: ret = ctxt->spaceTab[ctxt->spaceNr];
335: ctxt->spaceTab[ctxt->spaceNr] = -1;
336: return(ret);
337: }
338:
1.55 daniel 339: /*
340: * Macros for accessing the content. Those should be used only by the parser,
341: * and not exported.
342: *
343: * Dirty macros, i.e. one need to make assumption on the context to use them
344: *
1.123 daniel 345: * CUR_PTR return the current pointer to the xmlChar to be parsed.
1.151 daniel 346: * To be used with extreme caution since operations consuming
347: * characters may move the input buffer to a different location !
1.123 daniel 348: * CUR returns the current xmlChar value, i.e. a 8 bit value if compiled
1.152 daniel 349: * in ISO-Latin or UTF-8.
1.151 daniel 350: * This should be used internally by the parser
1.55 daniel 351: * only to compare to ASCII values otherwise it would break when
352: * running with UTF-8 encoding.
1.123 daniel 353: * NXT(n) returns the n'th next xmlChar. Same as CUR is should be used only
1.55 daniel 354: * to compare on ASCII based substring.
1.123 daniel 355: * SKIP(n) Skip n xmlChar, and must also be used only to skip ASCII defined
1.55 daniel 356: * strings within the parser.
357: *
1.77 daniel 358: * Clean macros, not dependent of an ASCII context, expect UTF-8 encoding
1.55 daniel 359: *
360: * NEXT Skip to the next character, this does the proper decoding
361: * in UTF-8 mode. It also pop-up unfinished entities on the fly.
1.77 daniel 362: * COPY(to) copy one char to *to, increment CUR_PTR and to accordingly
1.155 daniel 363: * CUR_CHAR Return the current char as an int as well as its lenght.
1.55 daniel 364: */
1.45 daniel 365:
1.152 daniel 366: #define RAW (ctxt->token ? -1 : (*ctxt->input->cur))
1.97 daniel 367: #define CUR (ctxt->token ? ctxt->token : (*ctxt->input->cur))
1.55 daniel 368: #define NXT(val) ctxt->input->cur[(val)]
369: #define CUR_PTR ctxt->input->cur
1.154 daniel 370:
1.164 daniel 371: #define SKIP(val) ctxt->nbChars += (val),ctxt->input->cur += (val); \
372: if (*ctxt->input->cur == '%') xmlParserHandlePEReference(ctxt); \
1.168 daniel 373: if (*ctxt->input->cur == '&') xmlParserHandleReference(ctxt); \
374: if ((*ctxt->input->cur == 0) && \
375: (xmlParserInputGrow(ctxt->input, INPUT_CHUNK) <= 0)) \
376: xmlPopInput(ctxt)
1.164 daniel 377:
1.97 daniel 378: #define SHRINK xmlParserInputShrink(ctxt->input); \
379: if ((*ctxt->input->cur == 0) && \
380: (xmlParserInputGrow(ctxt->input, INPUT_CHUNK) <= 0)) \
381: xmlPopInput(ctxt)
382:
383: #define GROW xmlParserInputGrow(ctxt->input, INPUT_CHUNK); \
384: if ((*ctxt->input->cur == 0) && \
385: (xmlParserInputGrow(ctxt->input, INPUT_CHUNK) <= 0)) \
386: xmlPopInput(ctxt)
1.55 daniel 387:
1.155 daniel 388: #define SKIP_BLANKS xmlSkipBlankChars(ctxt);
1.154 daniel 389:
1.151 daniel 390: #define NEXT xmlNextChar(ctxt);
1.154 daniel 391:
1.153 daniel 392: #define NEXTL(l) \
393: if (*(ctxt->input->cur) == '\n') { \
394: ctxt->input->line++; ctxt->input->col = 1; \
395: } else ctxt->input->col++; \
1.154 daniel 396: ctxt->token = 0; ctxt->input->cur += l; \
397: if (*ctxt->input->cur == '%') xmlParserHandlePEReference(ctxt); \
398: if (*ctxt->input->cur == '&') xmlParserHandleReference(ctxt);
399:
1.152 daniel 400: #define CUR_CHAR(l) xmlCurrentChar(ctxt, &l);
1.162 daniel 401: #define CUR_SCHAR(s, l) xmlStringCurrentChar(ctxt, s, &l);
1.154 daniel 402:
1.152 daniel 403: #define COPY_BUF(l,b,i,v) \
404: if (l == 1) b[i++] = (xmlChar) v; \
405: else i += xmlCopyChar(l,&b[i],v);
1.151 daniel 406:
407: /**
408: * xmlNextChar:
409: * @ctxt: the XML parser context
410: *
411: * Skip to the next char input char.
412: */
1.55 daniel 413:
1.151 daniel 414: void
415: xmlNextChar(xmlParserCtxtPtr ctxt) {
1.176 daniel 416: /*
417: * TODO: 2.11 End-of-Line Handling
418: * the literal two-character sequence "#xD#xA" or a standalone
419: * literal #xD, an XML processor must pass to the application
420: * the single character #xA.
421: */
1.151 daniel 422: if (ctxt->token != 0) ctxt->token = 0;
423: else {
424: if ((*ctxt->input->cur == 0) &&
425: (xmlParserInputGrow(ctxt->input, INPUT_CHUNK) <= 0) &&
426: (ctxt->instate != XML_PARSER_COMMENT)) {
427: /*
428: * If we are at the end of the current entity and
429: * the context allows it, we pop consumed entities
430: * automatically.
431: * TODO: the auto closing should be blocked in other cases
432: */
433: xmlPopInput(ctxt);
434: } else {
435: if (*(ctxt->input->cur) == '\n') {
436: ctxt->input->line++; ctxt->input->col = 1;
437: } else ctxt->input->col++;
438: if (ctxt->encoding == NULL) {
439: /*
440: * We are supposed to handle UTF8, check it's valid
441: * From rfc2044: encoding of the Unicode values on UTF-8:
442: *
443: * UCS-4 range (hex.) UTF-8 octet sequence (binary)
444: * 0000 0000-0000 007F 0xxxxxxx
445: * 0000 0080-0000 07FF 110xxxxx 10xxxxxx
446: * 0000 0800-0000 FFFF 1110xxxx 10xxxxxx 10xxxxxx
447: *
1.160 daniel 448: * Check for the 0x110000 limit too
1.151 daniel 449: */
450: const unsigned char *cur = ctxt->input->cur;
451: unsigned char c;
1.91 daniel 452:
1.151 daniel 453: c = *cur;
454: if (c & 0x80) {
455: if (cur[1] == 0)
456: xmlParserInputGrow(ctxt->input, INPUT_CHUNK);
457: if ((cur[1] & 0xc0) != 0x80)
458: goto encoding_error;
459: if ((c & 0xe0) == 0xe0) {
460: unsigned int val;
461:
462: if (cur[2] == 0)
463: xmlParserInputGrow(ctxt->input, INPUT_CHUNK);
464: if ((cur[2] & 0xc0) != 0x80)
465: goto encoding_error;
466: if ((c & 0xf0) == 0xf0) {
467: if (cur[3] == 0)
468: xmlParserInputGrow(ctxt->input, INPUT_CHUNK);
469: if (((c & 0xf8) != 0xf0) ||
470: ((cur[3] & 0xc0) != 0x80))
471: goto encoding_error;
472: /* 4-byte code */
473: ctxt->input->cur += 4;
474: val = (cur[0] & 0x7) << 18;
475: val |= (cur[1] & 0x3f) << 12;
476: val |= (cur[2] & 0x3f) << 6;
477: val |= cur[3] & 0x3f;
478: } else {
479: /* 3-byte code */
480: ctxt->input->cur += 3;
481: val = (cur[0] & 0xf) << 12;
482: val |= (cur[1] & 0x3f) << 6;
483: val |= cur[2] & 0x3f;
484: }
485: if (((val > 0xd7ff) && (val < 0xe000)) ||
486: ((val > 0xfffd) && (val < 0x10000)) ||
1.160 daniel 487: (val >= 0x110000)) {
1.151 daniel 488: if ((ctxt->sax != NULL) &&
489: (ctxt->sax->error != NULL))
490: ctxt->sax->error(ctxt->userData,
491: "Char out of allowed range\n");
492: ctxt->errNo = XML_ERR_INVALID_ENCODING;
493: ctxt->wellFormed = 0;
1.180 daniel 494: ctxt->disableSAX = 1;
1.151 daniel 495: }
496: } else
497: /* 2-byte code */
498: ctxt->input->cur += 2;
499: } else
500: /* 1-byte code */
501: ctxt->input->cur++;
502: } else {
503: /*
504: * Assume it's a fixed lenght encoding (1) with
505: * a compatibke encoding for the ASCII set, since
506: * XML constructs only use < 128 chars
507: */
508: ctxt->input->cur++;
509: }
510: ctxt->nbChars++;
511: if (*ctxt->input->cur == 0)
512: xmlParserInputGrow(ctxt->input, INPUT_CHUNK);
513: }
514: }
1.154 daniel 515: if (*ctxt->input->cur == '%') xmlParserHandlePEReference(ctxt);
516: if (*ctxt->input->cur == '&') xmlParserHandleReference(ctxt);
1.168 daniel 517: if ((*ctxt->input->cur == 0) &&
518: (xmlParserInputGrow(ctxt->input, INPUT_CHUNK) <= 0))
519: xmlPopInput(ctxt);
1.151 daniel 520: return;
521: encoding_error:
522: /*
523: * If we detect an UTF8 error that probably mean that the
524: * input encoding didn't get properly advertized in the
525: * declaration header. Report the error and switch the encoding
526: * to ISO-Latin-1 (if you don't like this policy, just declare the
527: * encoding !)
528: */
529: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
530: ctxt->sax->error(ctxt->userData,
531: "Input is not proper UTF-8, indicate encoding !\n");
532: ctxt->errNo = XML_ERR_INVALID_ENCODING;
533:
534: ctxt->encoding = xmlStrdup(BAD_CAST "ISO-8859-1");
535: ctxt->input->cur++;
536: return;
537: }
1.42 daniel 538:
1.152 daniel 539: /**
540: * xmlCurrentChar:
541: * @ctxt: the XML parser context
542: * @len: pointer to the length of the char read
543: *
544: * The current char value, if using UTF-8 this may actaully span multiple
1.180 daniel 545: * bytes in the input buffer. Implement the end of line normalization:
546: * 2.11 End-of-Line Handling
547: * Wherever an external parsed entity or the literal entity value
548: * of an internal parsed entity contains either the literal two-character
549: * sequence "#xD#xA" or a standalone literal #xD, an XML processor
550: * must pass to the application the single character #xA.
551: * This behavior can conveniently be produced by normalizing all
552: * line breaks to #xA on input, before parsing.)
1.152 daniel 553: *
554: * Returns the current char value and its lenght
555: */
556:
557: int
558: xmlCurrentChar(xmlParserCtxtPtr ctxt, int *len) {
559: if (ctxt->token != 0) {
560: *len = 0;
561: return(ctxt->token);
562: }
563: if (ctxt->encoding == NULL) {
564: /*
565: * We are supposed to handle UTF8, check it's valid
566: * From rfc2044: encoding of the Unicode values on UTF-8:
567: *
568: * UCS-4 range (hex.) UTF-8 octet sequence (binary)
569: * 0000 0000-0000 007F 0xxxxxxx
570: * 0000 0080-0000 07FF 110xxxxx 10xxxxxx
571: * 0000 0800-0000 FFFF 1110xxxx 10xxxxxx 10xxxxxx
572: *
1.160 daniel 573: * Check for the 0x110000 limit too
1.152 daniel 574: */
575: const unsigned char *cur = ctxt->input->cur;
576: unsigned char c;
577: unsigned int val;
578:
579: c = *cur;
580: if (c & 0x80) {
581: if (cur[1] == 0)
582: xmlParserInputGrow(ctxt->input, INPUT_CHUNK);
583: if ((cur[1] & 0xc0) != 0x80)
584: goto encoding_error;
585: if ((c & 0xe0) == 0xe0) {
586:
587: if (cur[2] == 0)
588: xmlParserInputGrow(ctxt->input, INPUT_CHUNK);
589: if ((cur[2] & 0xc0) != 0x80)
590: goto encoding_error;
591: if ((c & 0xf0) == 0xf0) {
592: if (cur[3] == 0)
593: xmlParserInputGrow(ctxt->input, INPUT_CHUNK);
594: if (((c & 0xf8) != 0xf0) ||
595: ((cur[3] & 0xc0) != 0x80))
596: goto encoding_error;
597: /* 4-byte code */
598: *len = 4;
599: val = (cur[0] & 0x7) << 18;
600: val |= (cur[1] & 0x3f) << 12;
601: val |= (cur[2] & 0x3f) << 6;
602: val |= cur[3] & 0x3f;
603: } else {
604: /* 3-byte code */
605: *len = 3;
606: val = (cur[0] & 0xf) << 12;
607: val |= (cur[1] & 0x3f) << 6;
608: val |= cur[2] & 0x3f;
609: }
610: } else {
611: /* 2-byte code */
612: *len = 2;
613: val = (cur[0] & 0x1f) << 6;
1.168 daniel 614: val |= cur[1] & 0x3f;
1.152 daniel 615: }
616: if (!IS_CHAR(val)) {
617: if ((ctxt->sax != NULL) &&
618: (ctxt->sax->error != NULL))
619: ctxt->sax->error(ctxt->userData,
620: "Char out of allowed range\n");
621: ctxt->errNo = XML_ERR_INVALID_ENCODING;
622: ctxt->wellFormed = 0;
1.180 daniel 623: ctxt->disableSAX = 1;
1.152 daniel 624: }
625: return(val);
626: } else {
627: /* 1-byte code */
628: *len = 1;
1.180 daniel 629: if (*ctxt->input->cur == 0xD) {
630: if (ctxt->input->cur[1] == 0xA) {
631: ctxt->nbChars++;
632: ctxt->input->cur++;
633: }
634: return(0xA);
635: }
1.152 daniel 636: return((int) *ctxt->input->cur);
637: }
638: }
639: /*
640: * Assume it's a fixed lenght encoding (1) with
641: * a compatibke encoding for the ASCII set, since
642: * XML constructs only use < 128 chars
643: */
644: *len = 1;
1.180 daniel 645: if (*ctxt->input->cur == 0xD) {
646: if (ctxt->input->cur[1] == 0xA) {
647: ctxt->nbChars++;
648: ctxt->input->cur++;
649: }
650: return(0xA);
651: }
1.152 daniel 652: return((int) *ctxt->input->cur);
653: encoding_error:
654: /*
655: * If we detect an UTF8 error that probably mean that the
656: * input encoding didn't get properly advertized in the
657: * declaration header. Report the error and switch the encoding
658: * to ISO-Latin-1 (if you don't like this policy, just declare the
659: * encoding !)
660: */
661: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
662: ctxt->sax->error(ctxt->userData,
663: "Input is not proper UTF-8, indicate encoding !\n");
664: ctxt->errNo = XML_ERR_INVALID_ENCODING;
665:
666: ctxt->encoding = xmlStrdup(BAD_CAST "ISO-8859-1");
667: *len = 1;
668: return((int) *ctxt->input->cur);
669: }
670:
671: /**
1.162 daniel 672: * xmlStringCurrentChar:
673: * @ctxt: the XML parser context
674: * @cur: pointer to the beginning of the char
675: * @len: pointer to the length of the char read
676: *
677: * The current char value, if using UTF-8 this may actaully span multiple
678: * bytes in the input buffer.
679: *
680: * Returns the current char value and its lenght
681: */
682:
683: int
684: xmlStringCurrentChar(xmlParserCtxtPtr ctxt, const xmlChar *cur, int *len) {
685: if (ctxt->encoding == NULL) {
686: /*
687: * We are supposed to handle UTF8, check it's valid
688: * From rfc2044: encoding of the Unicode values on UTF-8:
689: *
690: * UCS-4 range (hex.) UTF-8 octet sequence (binary)
691: * 0000 0000-0000 007F 0xxxxxxx
692: * 0000 0080-0000 07FF 110xxxxx 10xxxxxx
693: * 0000 0800-0000 FFFF 1110xxxx 10xxxxxx 10xxxxxx
694: *
695: * Check for the 0x110000 limit too
696: */
697: unsigned char c;
698: unsigned int val;
699:
700: c = *cur;
701: if (c & 0x80) {
702: if ((cur[1] & 0xc0) != 0x80)
703: goto encoding_error;
704: if ((c & 0xe0) == 0xe0) {
705:
706: if ((cur[2] & 0xc0) != 0x80)
707: goto encoding_error;
708: if ((c & 0xf0) == 0xf0) {
709: if (((c & 0xf8) != 0xf0) ||
710: ((cur[3] & 0xc0) != 0x80))
711: goto encoding_error;
712: /* 4-byte code */
713: *len = 4;
714: val = (cur[0] & 0x7) << 18;
715: val |= (cur[1] & 0x3f) << 12;
716: val |= (cur[2] & 0x3f) << 6;
717: val |= cur[3] & 0x3f;
718: } else {
719: /* 3-byte code */
720: *len = 3;
721: val = (cur[0] & 0xf) << 12;
722: val |= (cur[1] & 0x3f) << 6;
723: val |= cur[2] & 0x3f;
724: }
725: } else {
726: /* 2-byte code */
727: *len = 2;
728: val = (cur[0] & 0x1f) << 6;
729: val |= cur[2] & 0x3f;
730: }
731: if (!IS_CHAR(val)) {
732: if ((ctxt->sax != NULL) &&
733: (ctxt->sax->error != NULL))
734: ctxt->sax->error(ctxt->userData,
735: "Char out of allowed range\n");
736: ctxt->errNo = XML_ERR_INVALID_ENCODING;
737: ctxt->wellFormed = 0;
1.180 daniel 738: ctxt->disableSAX = 1;
1.162 daniel 739: }
740: return(val);
741: } else {
742: /* 1-byte code */
743: *len = 1;
744: return((int) *cur);
745: }
746: }
747: /*
748: * Assume it's a fixed lenght encoding (1) with
749: * a compatibke encoding for the ASCII set, since
750: * XML constructs only use < 128 chars
751: */
752: *len = 1;
753: return((int) *cur);
754: encoding_error:
755: /*
756: * If we detect an UTF8 error that probably mean that the
757: * input encoding didn't get properly advertized in the
758: * declaration header. Report the error and switch the encoding
759: * to ISO-Latin-1 (if you don't like this policy, just declare the
760: * encoding !)
761: */
762: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
763: ctxt->sax->error(ctxt->userData,
764: "Input is not proper UTF-8, indicate encoding !\n");
765: ctxt->errNo = XML_ERR_INVALID_ENCODING;
766:
767: *len = 1;
768: return((int) *cur);
769: }
770:
771: /**
1.152 daniel 772: * xmlCopyChar:
773: * @len: pointer to the length of the char read (or zero)
774: * @array: pointer to an arry of xmlChar
775: * @val: the char value
776: *
777: * append the char value in the array
778: *
779: * Returns the number of xmlChar written
780: */
781:
782: int
783: xmlCopyChar(int len, xmlChar *out, int val) {
784: /*
785: * We are supposed to handle UTF8, check it's valid
786: * From rfc2044: encoding of the Unicode values on UTF-8:
787: *
788: * UCS-4 range (hex.) UTF-8 octet sequence (binary)
789: * 0000 0000-0000 007F 0xxxxxxx
790: * 0000 0080-0000 07FF 110xxxxx 10xxxxxx
791: * 0000 0800-0000 FFFF 1110xxxx 10xxxxxx 10xxxxxx
792: */
793: if (len == 0) {
794: if (val < 0) len = 0;
1.160 daniel 795: else if (val < 0x80) len = 1;
796: else if (val < 0x800) len = 2;
797: else if (val < 0x10000) len = 3;
798: else if (val < 0x110000) len = 4;
1.152 daniel 799: if (len == 0) {
800: fprintf(stderr, "Internal error, xmlCopyChar 0x%X out of bound\n",
801: val);
802: return(0);
803: }
804: }
805: if (len > 1) {
806: int bits;
807:
808: if (val < 0x80) { *out++= val; bits= -6; }
809: else if (val < 0x800) { *out++= (val >> 6) | 0xC0; bits= 0; }
810: else if (val < 0x10000) { *out++= (val >> 12) | 0xE0; bits= 6; }
811: else { *out++= (val >> 18) | 0xF0; bits= 12; }
812:
813: for ( ; bits >= 0; bits-= 6)
814: *out++= ((val >> bits) & 0x3F) | 0x80 ;
815:
816: return(len);
817: }
818: *out = (xmlChar) val;
819: return(1);
1.155 daniel 820: }
821:
822: /**
823: * xmlSkipBlankChars:
824: * @ctxt: the XML parser context
825: *
826: * skip all blanks character found at that point in the input streams.
827: * It pops up finished entities in the process if allowable at that point.
828: *
829: * Returns the number of space chars skipped
830: */
831:
832: int
833: xmlSkipBlankChars(xmlParserCtxtPtr ctxt) {
834: int cur, res = 0;
835:
836: do {
837: cur = CUR;
838: while (IS_BLANK(cur)) {
839: NEXT;
840: cur = CUR;
841: res++;
842: }
843: while ((cur == 0) && (ctxt->inputNr > 1) &&
844: (ctxt->instate != XML_PARSER_COMMENT)) {
845: xmlPopInput(ctxt);
846: cur = CUR;
847: }
848: if (*ctxt->input->cur == '%') xmlParserHandlePEReference(ctxt);
849: if (*ctxt->input->cur == '&') xmlParserHandleReference(ctxt);
850: } while (IS_BLANK(cur));
851: return(res);
1.152 daniel 852: }
853:
1.97 daniel 854: /************************************************************************
855: * *
856: * Commodity functions to handle entities processing *
857: * *
858: ************************************************************************/
1.40 daniel 859:
1.50 daniel 860: /**
861: * xmlPopInput:
862: * @ctxt: an XML parser context
863: *
1.40 daniel 864: * xmlPopInput: the current input pointed by ctxt->input came to an end
865: * pop it and return the next char.
1.45 daniel 866: *
1.123 daniel 867: * Returns the current xmlChar in the parser context
1.40 daniel 868: */
1.123 daniel 869: xmlChar
1.55 daniel 870: xmlPopInput(xmlParserCtxtPtr ctxt) {
1.40 daniel 871: if (ctxt->inputNr == 1) return(0); /* End of main Input */
1.69 daniel 872: xmlFreeInputStream(inputPop(ctxt));
1.97 daniel 873: if ((*ctxt->input->cur == 0) &&
874: (xmlParserInputGrow(ctxt->input, INPUT_CHUNK) <= 0))
875: return(xmlPopInput(ctxt));
1.40 daniel 876: return(CUR);
877: }
878:
1.50 daniel 879: /**
880: * xmlPushInput:
881: * @ctxt: an XML parser context
882: * @input: an XML parser input fragment (entity, XML fragment ...).
883: *
1.40 daniel 884: * xmlPushInput: switch to a new input stream which is stacked on top
885: * of the previous one(s).
886: */
1.55 daniel 887: void
888: xmlPushInput(xmlParserCtxtPtr ctxt, xmlParserInputPtr input) {
1.40 daniel 889: if (input == NULL) return;
890: inputPush(ctxt, input);
1.164 daniel 891: GROW;
1.40 daniel 892: }
893:
1.50 daniel 894: /**
1.69 daniel 895: * xmlFreeInputStream:
1.127 daniel 896: * @input: an xmlParserInputPtr
1.69 daniel 897: *
898: * Free up an input stream.
899: */
900: void
901: xmlFreeInputStream(xmlParserInputPtr input) {
902: if (input == NULL) return;
903:
1.119 daniel 904: if (input->filename != NULL) xmlFree((char *) input->filename);
905: if (input->directory != NULL) xmlFree((char *) input->directory);
1.164 daniel 906: if (input->encoding != NULL) xmlFree((char *) input->encoding);
1.165 daniel 907: if (input->version != NULL) xmlFree((char *) input->version);
1.69 daniel 908: if ((input->free != NULL) && (input->base != NULL))
1.123 daniel 909: input->free((xmlChar *) input->base);
1.93 veillard 910: if (input->buf != NULL)
911: xmlFreeParserInputBuffer(input->buf);
1.69 daniel 912: memset(input, -1, sizeof(xmlParserInput));
1.119 daniel 913: xmlFree(input);
1.69 daniel 914: }
915:
916: /**
1.96 daniel 917: * xmlNewInputStream:
918: * @ctxt: an XML parser context
919: *
920: * Create a new input stream structure
921: * Returns the new input stream or NULL
922: */
923: xmlParserInputPtr
924: xmlNewInputStream(xmlParserCtxtPtr ctxt) {
925: xmlParserInputPtr input;
926:
1.119 daniel 927: input = (xmlParserInputPtr) xmlMalloc(sizeof(xmlParserInput));
1.96 daniel 928: if (input == NULL) {
1.123 daniel 929: ctxt->errNo = XML_ERR_NO_MEMORY;
1.96 daniel 930: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1.122 daniel 931: ctxt->sax->error(ctxt->userData,
932: "malloc: couldn't allocate a new input stream\n");
1.123 daniel 933: ctxt->errNo = XML_ERR_NO_MEMORY;
1.96 daniel 934: return(NULL);
935: }
1.165 daniel 936: memset(input, 0, sizeof(xmlParserInput));
1.96 daniel 937: input->line = 1;
938: input->col = 1;
1.167 daniel 939: input->standalone = -1;
1.96 daniel 940: return(input);
941: }
942:
943: /**
1.50 daniel 944: * xmlNewEntityInputStream:
945: * @ctxt: an XML parser context
946: * @entity: an Entity pointer
947: *
1.82 daniel 948: * Create a new input stream based on an xmlEntityPtr
1.113 daniel 949: *
950: * Returns the new input stream or NULL
1.45 daniel 951: */
1.50 daniel 952: xmlParserInputPtr
953: xmlNewEntityInputStream(xmlParserCtxtPtr ctxt, xmlEntityPtr entity) {
1.45 daniel 954: xmlParserInputPtr input;
955:
956: if (entity == NULL) {
1.123 daniel 957: ctxt->errNo = XML_ERR_INTERNAL_ERROR;
1.55 daniel 958: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1.74 daniel 959: ctxt->sax->error(ctxt->userData,
1.45 daniel 960: "internal: xmlNewEntityInputStream entity = NULL\n");
1.123 daniel 961: ctxt->errNo = XML_ERR_INTERNAL_ERROR;
1.50 daniel 962: return(NULL);
1.45 daniel 963: }
964: if (entity->content == NULL) {
1.159 daniel 965: switch (entity->etype) {
1.113 daniel 966: case XML_EXTERNAL_GENERAL_UNPARSED_ENTITY:
1.123 daniel 967: ctxt->errNo = XML_ERR_UNPARSED_ENTITY;
1.113 daniel 968: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
969: ctxt->sax->error(ctxt->userData,
970: "xmlNewEntityInputStream unparsed entity !\n");
971: break;
972: case XML_EXTERNAL_GENERAL_PARSED_ENTITY:
973: case XML_EXTERNAL_PARAMETER_ENTITY:
1.116 daniel 974: return(xmlLoadExternalEntity((char *) entity->SystemID,
1.142 daniel 975: (char *) entity->ExternalID, ctxt));
1.113 daniel 976: case XML_INTERNAL_GENERAL_ENTITY:
977: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
978: ctxt->sax->error(ctxt->userData,
979: "Internal entity %s without content !\n", entity->name);
980: break;
981: case XML_INTERNAL_PARAMETER_ENTITY:
1.123 daniel 982: ctxt->errNo = XML_ERR_INTERNAL_ERROR;
1.113 daniel 983: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
984: ctxt->sax->error(ctxt->userData,
985: "Internal parameter entity %s without content !\n", entity->name);
986: break;
987: case XML_INTERNAL_PREDEFINED_ENTITY:
1.123 daniel 988: ctxt->errNo = XML_ERR_INTERNAL_ERROR;
1.113 daniel 989: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
990: ctxt->sax->error(ctxt->userData,
991: "Predefined entity %s without content !\n", entity->name);
992: break;
993: }
1.50 daniel 994: return(NULL);
1.45 daniel 995: }
1.96 daniel 996: input = xmlNewInputStream(ctxt);
1.45 daniel 997: if (input == NULL) {
1.50 daniel 998: return(NULL);
1.45 daniel 999: }
1.156 daniel 1000: input->filename = (char *) entity->SystemID;
1.45 daniel 1001: input->base = entity->content;
1002: input->cur = entity->content;
1.140 daniel 1003: input->length = entity->length;
1.50 daniel 1004: return(input);
1.45 daniel 1005: }
1006:
1.59 daniel 1007: /**
1008: * xmlNewStringInputStream:
1009: * @ctxt: an XML parser context
1.96 daniel 1010: * @buffer: an memory buffer
1.59 daniel 1011: *
1012: * Create a new input stream based on a memory buffer.
1.68 daniel 1013: * Returns the new input stream
1.59 daniel 1014: */
1015: xmlParserInputPtr
1.123 daniel 1016: xmlNewStringInputStream(xmlParserCtxtPtr ctxt, const xmlChar *buffer) {
1.59 daniel 1017: xmlParserInputPtr input;
1018:
1.96 daniel 1019: if (buffer == NULL) {
1.123 daniel 1020: ctxt->errNo = XML_ERR_INTERNAL_ERROR;
1.59 daniel 1021: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1.74 daniel 1022: ctxt->sax->error(ctxt->userData,
1.59 daniel 1023: "internal: xmlNewStringInputStream string = NULL\n");
1024: return(NULL);
1025: }
1.96 daniel 1026: input = xmlNewInputStream(ctxt);
1.59 daniel 1027: if (input == NULL) {
1028: return(NULL);
1029: }
1.96 daniel 1030: input->base = buffer;
1031: input->cur = buffer;
1.140 daniel 1032: input->length = xmlStrlen(buffer);
1.59 daniel 1033: return(input);
1034: }
1035:
1.76 daniel 1036: /**
1037: * xmlNewInputFromFile:
1038: * @ctxt: an XML parser context
1039: * @filename: the filename to use as entity
1040: *
1041: * Create a new input stream based on a file.
1042: *
1043: * Returns the new input stream or NULL in case of error
1044: */
1045: xmlParserInputPtr
1.79 daniel 1046: xmlNewInputFromFile(xmlParserCtxtPtr ctxt, const char *filename) {
1.91 daniel 1047: xmlParserInputBufferPtr buf;
1.76 daniel 1048: xmlParserInputPtr inputStream;
1.111 daniel 1049: char *directory = NULL;
1.76 daniel 1050:
1.96 daniel 1051: if (ctxt == NULL) return(NULL);
1.91 daniel 1052: buf = xmlParserInputBufferCreateFilename(filename, XML_CHAR_ENCODING_NONE);
1.94 daniel 1053: if (buf == NULL) {
1.140 daniel 1054: char name[XML_PARSER_BIG_BUFFER_SIZE];
1.106 daniel 1055:
1.94 daniel 1056: if ((ctxt->input != NULL) && (ctxt->input->directory != NULL)) {
1057: #ifdef WIN32
1058: sprintf(name, "%s\\%s", ctxt->input->directory, filename);
1059: #else
1060: sprintf(name, "%s/%s", ctxt->input->directory, filename);
1061: #endif
1062: buf = xmlParserInputBufferCreateFilename(name,
1063: XML_CHAR_ENCODING_NONE);
1.106 daniel 1064: if (buf != NULL)
1.142 daniel 1065: directory = xmlParserGetDirectory(name);
1.106 daniel 1066: }
1067: if ((buf == NULL) && (ctxt->directory != NULL)) {
1068: #ifdef WIN32
1069: sprintf(name, "%s\\%s", ctxt->directory, filename);
1070: #else
1071: sprintf(name, "%s/%s", ctxt->directory, filename);
1072: #endif
1073: buf = xmlParserInputBufferCreateFilename(name,
1074: XML_CHAR_ENCODING_NONE);
1075: if (buf != NULL)
1.142 daniel 1076: directory = xmlParserGetDirectory(name);
1.106 daniel 1077: }
1078: if (buf == NULL)
1.94 daniel 1079: return(NULL);
1080: }
1081: if (directory == NULL)
1082: directory = xmlParserGetDirectory(filename);
1.76 daniel 1083:
1.96 daniel 1084: inputStream = xmlNewInputStream(ctxt);
1.76 daniel 1085: if (inputStream == NULL) {
1.119 daniel 1086: if (directory != NULL) xmlFree((char *) directory);
1.76 daniel 1087: return(NULL);
1088: }
1089:
1.119 daniel 1090: inputStream->filename = xmlMemStrdup(filename);
1.94 daniel 1091: inputStream->directory = directory;
1.91 daniel 1092: inputStream->buf = buf;
1.76 daniel 1093:
1.91 daniel 1094: inputStream->base = inputStream->buf->buffer->content;
1095: inputStream->cur = inputStream->buf->buffer->content;
1.106 daniel 1096: if ((ctxt->directory == NULL) && (directory != NULL))
1.134 daniel 1097: ctxt->directory = (char *) xmlStrdup((const xmlChar *) directory);
1.76 daniel 1098: return(inputStream);
1099: }
1100:
1.77 daniel 1101: /************************************************************************
1102: * *
1.97 daniel 1103: * Commodity functions to handle parser contexts *
1104: * *
1105: ************************************************************************/
1106:
1107: /**
1108: * xmlInitParserCtxt:
1109: * @ctxt: an XML parser context
1110: *
1111: * Initialize a parser context
1112: */
1113:
1114: void
1115: xmlInitParserCtxt(xmlParserCtxtPtr ctxt)
1116: {
1117: xmlSAXHandler *sax;
1118:
1.168 daniel 1119: xmlDefaultSAXHandlerInit();
1120:
1.119 daniel 1121: sax = (xmlSAXHandler *) xmlMalloc(sizeof(xmlSAXHandler));
1.97 daniel 1122: if (sax == NULL) {
1123: fprintf(stderr, "xmlInitParserCtxt: out of memory\n");
1124: }
1.180 daniel 1125: memset(sax, 0, sizeof(xmlSAXHandler));
1.97 daniel 1126:
1127: /* Allocate the Input stack */
1.119 daniel 1128: ctxt->inputTab = (xmlParserInputPtr *) xmlMalloc(5 * sizeof(xmlParserInputPtr));
1.97 daniel 1129: ctxt->inputNr = 0;
1130: ctxt->inputMax = 5;
1131: ctxt->input = NULL;
1.165 daniel 1132:
1.97 daniel 1133: ctxt->version = NULL;
1134: ctxt->encoding = NULL;
1135: ctxt->standalone = -1;
1.98 daniel 1136: ctxt->hasExternalSubset = 0;
1137: ctxt->hasPErefs = 0;
1.97 daniel 1138: ctxt->html = 0;
1.98 daniel 1139: ctxt->external = 0;
1.140 daniel 1140: ctxt->instate = XML_PARSER_START;
1.97 daniel 1141: ctxt->token = 0;
1.106 daniel 1142: ctxt->directory = NULL;
1.97 daniel 1143:
1144: /* Allocate the Node stack */
1.119 daniel 1145: ctxt->nodeTab = (xmlNodePtr *) xmlMalloc(10 * sizeof(xmlNodePtr));
1.97 daniel 1146: ctxt->nodeNr = 0;
1147: ctxt->nodeMax = 10;
1148: ctxt->node = NULL;
1149:
1.140 daniel 1150: /* Allocate the Name stack */
1151: ctxt->nameTab = (xmlChar **) xmlMalloc(10 * sizeof(xmlChar *));
1152: ctxt->nameNr = 0;
1153: ctxt->nameMax = 10;
1154: ctxt->name = NULL;
1155:
1.176 daniel 1156: /* Allocate the space stack */
1157: ctxt->spaceTab = (int *) xmlMalloc(10 * sizeof(int));
1158: ctxt->spaceNr = 1;
1159: ctxt->spaceMax = 10;
1160: ctxt->spaceTab[0] = -1;
1161: ctxt->space = &ctxt->spaceTab[0];
1162:
1.160 daniel 1163: if (sax == NULL) {
1164: ctxt->sax = &xmlDefaultSAXHandler;
1165: } else {
1.97 daniel 1166: ctxt->sax = sax;
1167: memcpy(sax, &xmlDefaultSAXHandler, sizeof(xmlSAXHandler));
1168: }
1169: ctxt->userData = ctxt;
1170: ctxt->myDoc = NULL;
1171: ctxt->wellFormed = 1;
1.99 daniel 1172: ctxt->valid = 1;
1.100 daniel 1173: ctxt->validate = xmlDoValidityCheckingDefaultValue;
1.179 daniel 1174: ctxt->keepBlanks = xmlKeepBlanksDefaultValue;
1.100 daniel 1175: ctxt->vctxt.userData = ctxt;
1.149 daniel 1176: if (ctxt->validate) {
1177: ctxt->vctxt.error = xmlParserValidityError;
1.160 daniel 1178: if (xmlGetWarningsDefaultValue == 0)
1179: ctxt->vctxt.warning = NULL;
1180: else
1181: ctxt->vctxt.warning = xmlParserValidityWarning;
1.180 daniel 1182: /* Allocate the Node stack */
1183: ctxt->vctxt.nodeTab = (xmlNodePtr *) xmlMalloc(4 * sizeof(xmlNodePtr));
1184: ctxt->vctxt.nodeNr = 0;
1185: ctxt->vctxt.nodeMax = 4;
1186: ctxt->vctxt.node = NULL;
1.149 daniel 1187: } else {
1188: ctxt->vctxt.error = NULL;
1189: ctxt->vctxt.warning = NULL;
1190: }
1.97 daniel 1191: ctxt->replaceEntities = xmlSubstituteEntitiesDefaultValue;
1192: ctxt->record_info = 0;
1.135 daniel 1193: ctxt->nbChars = 0;
1.140 daniel 1194: ctxt->checkIndex = 0;
1.180 daniel 1195: ctxt->inSubset = 0;
1.140 daniel 1196: ctxt->errNo = XML_ERR_OK;
1.185 daniel 1197: ctxt->depth = 0;
1.97 daniel 1198: xmlInitNodeInfoSeq(&ctxt->node_seq);
1199: }
1200:
1201: /**
1202: * xmlFreeParserCtxt:
1203: * @ctxt: an XML parser context
1204: *
1205: * Free all the memory used by a parser context. However the parsed
1206: * document in ctxt->myDoc is not freed.
1207: */
1208:
1209: void
1210: xmlFreeParserCtxt(xmlParserCtxtPtr ctxt)
1211: {
1212: xmlParserInputPtr input;
1.140 daniel 1213: xmlChar *oldname;
1.97 daniel 1214:
1215: if (ctxt == NULL) return;
1216:
1217: while ((input = inputPop(ctxt)) != NULL) {
1218: xmlFreeInputStream(input);
1219: }
1.140 daniel 1220: while ((oldname = namePop(ctxt)) != NULL) {
1221: xmlFree(oldname);
1222: }
1.176 daniel 1223: if (ctxt->spaceTab != NULL) xmlFree(ctxt->spaceTab);
1.140 daniel 1224: if (ctxt->nameTab != NULL) xmlFree(ctxt->nameTab);
1.119 daniel 1225: if (ctxt->nodeTab != NULL) xmlFree(ctxt->nodeTab);
1226: if (ctxt->inputTab != NULL) xmlFree(ctxt->inputTab);
1227: if (ctxt->version != NULL) xmlFree((char *) ctxt->version);
1228: if (ctxt->encoding != NULL) xmlFree((char *) ctxt->encoding);
1.165 daniel 1229: if (ctxt->intSubName != NULL) xmlFree((char *) ctxt->intSubName);
1230: if (ctxt->extSubURI != NULL) xmlFree((char *) ctxt->extSubURI);
1231: if (ctxt->extSubSystem != NULL) xmlFree((char *) ctxt->extSubSystem);
1.180 daniel 1232: if (ctxt->vctxt.nodeTab != NULL) xmlFree(ctxt->vctxt.nodeTab);
1.97 daniel 1233: if ((ctxt->sax != NULL) && (ctxt->sax != &xmlDefaultSAXHandler))
1.119 daniel 1234: xmlFree(ctxt->sax);
1235: if (ctxt->directory != NULL) xmlFree((char *) ctxt->directory);
1236: xmlFree(ctxt);
1.97 daniel 1237: }
1238:
1239: /**
1240: * xmlNewParserCtxt:
1241: *
1242: * Allocate and initialize a new parser context.
1243: *
1244: * Returns the xmlParserCtxtPtr or NULL
1245: */
1246:
1247: xmlParserCtxtPtr
1248: xmlNewParserCtxt()
1249: {
1250: xmlParserCtxtPtr ctxt;
1251:
1.119 daniel 1252: ctxt = (xmlParserCtxtPtr) xmlMalloc(sizeof(xmlParserCtxt));
1.97 daniel 1253: if (ctxt == NULL) {
1254: fprintf(stderr, "xmlNewParserCtxt : cannot allocate context\n");
1255: perror("malloc");
1256: return(NULL);
1257: }
1.165 daniel 1258: memset(ctxt, 0, sizeof(xmlParserCtxt));
1.97 daniel 1259: xmlInitParserCtxt(ctxt);
1260: return(ctxt);
1261: }
1262:
1263: /**
1264: * xmlClearParserCtxt:
1265: * @ctxt: an XML parser context
1266: *
1267: * Clear (release owned resources) and reinitialize a parser context
1268: */
1269:
1270: void
1271: xmlClearParserCtxt(xmlParserCtxtPtr ctxt)
1272: {
1273: xmlClearNodeInfoSeq(&ctxt->node_seq);
1274: xmlInitParserCtxt(ctxt);
1275: }
1276:
1277: /************************************************************************
1278: * *
1.77 daniel 1279: * Commodity functions to handle entities *
1280: * *
1281: ************************************************************************/
1282:
1.174 daniel 1283: /**
1284: * xmlCheckEntity:
1285: * @ctxt: an XML parser context
1286: * @content: the entity content string
1287: *
1288: * Parse an entity content and checks the WF constraints
1289: *
1290: */
1291:
1292: void
1293: xmlCheckEntity(xmlParserCtxtPtr ctxt, const xmlChar *content) {
1294: }
1.97 daniel 1295:
1296: /**
1297: * xmlParseCharRef:
1298: * @ctxt: an XML parser context
1299: *
1300: * parse Reference declarations
1301: *
1302: * [66] CharRef ::= '&#' [0-9]+ ';' |
1303: * '&#x' [0-9a-fA-F]+ ';'
1304: *
1.98 daniel 1305: * [ WFC: Legal Character ]
1306: * Characters referred to using character references must match the
1307: * production for Char.
1308: *
1.135 daniel 1309: * Returns the value parsed (as an int), 0 in case of error
1.77 daniel 1310: */
1.97 daniel 1311: int
1312: xmlParseCharRef(xmlParserCtxtPtr ctxt) {
1313: int val = 0;
1314:
1.111 daniel 1315: if (ctxt->token != 0) {
1316: val = ctxt->token;
1317: ctxt->token = 0;
1318: return(val);
1319: }
1.152 daniel 1320: if ((RAW == '&') && (NXT(1) == '#') &&
1.97 daniel 1321: (NXT(2) == 'x')) {
1322: SKIP(3);
1.152 daniel 1323: while (RAW != ';') {
1324: if ((RAW >= '0') && (RAW <= '9'))
1.97 daniel 1325: val = val * 16 + (CUR - '0');
1.152 daniel 1326: else if ((RAW >= 'a') && (RAW <= 'f'))
1.97 daniel 1327: val = val * 16 + (CUR - 'a') + 10;
1.152 daniel 1328: else if ((RAW >= 'A') && (RAW <= 'F'))
1.97 daniel 1329: val = val * 16 + (CUR - 'A') + 10;
1330: else {
1.123 daniel 1331: ctxt->errNo = XML_ERR_INVALID_HEX_CHARREF;
1.97 daniel 1332: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1333: ctxt->sax->error(ctxt->userData,
1334: "xmlParseCharRef: invalid hexadecimal value\n");
1335: ctxt->wellFormed = 0;
1.180 daniel 1336: ctxt->disableSAX = 1;
1.97 daniel 1337: val = 0;
1338: break;
1339: }
1340: NEXT;
1341: }
1.164 daniel 1342: if (RAW == ';') {
1343: /* on purpose to avoid reentrancy problems with NEXT and SKIP */
1344: ctxt->nbChars ++;
1345: ctxt->input->cur++;
1346: }
1.152 daniel 1347: } else if ((RAW == '&') && (NXT(1) == '#')) {
1.97 daniel 1348: SKIP(2);
1.152 daniel 1349: while (RAW != ';') {
1350: if ((RAW >= '0') && (RAW <= '9'))
1.97 daniel 1351: val = val * 10 + (CUR - '0');
1352: else {
1.123 daniel 1353: ctxt->errNo = XML_ERR_INVALID_DEC_CHARREF;
1.97 daniel 1354: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1355: ctxt->sax->error(ctxt->userData,
1356: "xmlParseCharRef: invalid decimal value\n");
1357: ctxt->wellFormed = 0;
1.180 daniel 1358: ctxt->disableSAX = 1;
1.97 daniel 1359: val = 0;
1360: break;
1361: }
1362: NEXT;
1363: }
1.164 daniel 1364: if (RAW == ';') {
1365: /* on purpose to avoid reentrancy problems with NEXT and SKIP */
1366: ctxt->nbChars ++;
1367: ctxt->input->cur++;
1368: }
1.97 daniel 1369: } else {
1.123 daniel 1370: ctxt->errNo = XML_ERR_INVALID_CHARREF;
1.97 daniel 1371: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1.98 daniel 1372: ctxt->sax->error(ctxt->userData,
1373: "xmlParseCharRef: invalid value\n");
1.97 daniel 1374: ctxt->wellFormed = 0;
1.180 daniel 1375: ctxt->disableSAX = 1;
1.97 daniel 1376: }
1.98 daniel 1377:
1.97 daniel 1378: /*
1.98 daniel 1379: * [ WFC: Legal Character ]
1380: * Characters referred to using character references must match the
1381: * production for Char.
1.97 daniel 1382: */
1383: if (IS_CHAR(val)) {
1384: return(val);
1385: } else {
1.123 daniel 1386: ctxt->errNo = XML_ERR_INVALID_CHAR;
1.97 daniel 1387: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1.123 daniel 1388: ctxt->sax->error(ctxt->userData, "CharRef: invalid xmlChar value %d\n",
1.97 daniel 1389: val);
1390: ctxt->wellFormed = 0;
1.180 daniel 1391: ctxt->disableSAX = 1;
1.97 daniel 1392: }
1393: return(0);
1.77 daniel 1394: }
1395:
1.96 daniel 1396: /**
1.135 daniel 1397: * xmlParseStringCharRef:
1398: * @ctxt: an XML parser context
1399: * @str: a pointer to an index in the string
1400: *
1401: * parse Reference declarations, variant parsing from a string rather
1402: * than an an input flow.
1403: *
1404: * [66] CharRef ::= '&#' [0-9]+ ';' |
1405: * '&#x' [0-9a-fA-F]+ ';'
1406: *
1407: * [ WFC: Legal Character ]
1408: * Characters referred to using character references must match the
1409: * production for Char.
1410: *
1411: * Returns the value parsed (as an int), 0 in case of error, str will be
1412: * updated to the current value of the index
1413: */
1414: int
1415: xmlParseStringCharRef(xmlParserCtxtPtr ctxt, const xmlChar **str) {
1416: const xmlChar *ptr;
1417: xmlChar cur;
1418: int val = 0;
1419:
1420: if ((str == NULL) || (*str == NULL)) return(0);
1421: ptr = *str;
1422: cur = *ptr;
1.137 daniel 1423: if ((cur == '&') && (ptr[1] == '#') && (ptr[2] == 'x')) {
1.135 daniel 1424: ptr += 3;
1425: cur = *ptr;
1426: while (cur != ';') {
1427: if ((cur >= '0') && (cur <= '9'))
1428: val = val * 16 + (cur - '0');
1429: else if ((cur >= 'a') && (cur <= 'f'))
1430: val = val * 16 + (cur - 'a') + 10;
1431: else if ((cur >= 'A') && (cur <= 'F'))
1432: val = val * 16 + (cur - 'A') + 10;
1433: else {
1434: ctxt->errNo = XML_ERR_INVALID_HEX_CHARREF;
1435: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1436: ctxt->sax->error(ctxt->userData,
1437: "xmlParseCharRef: invalid hexadecimal value\n");
1438: ctxt->wellFormed = 0;
1.180 daniel 1439: ctxt->disableSAX = 1;
1.135 daniel 1440: val = 0;
1441: break;
1442: }
1443: ptr++;
1444: cur = *ptr;
1445: }
1446: if (cur == ';')
1447: ptr++;
1.145 daniel 1448: } else if ((cur == '&') && (ptr[1] == '#')){
1.135 daniel 1449: ptr += 2;
1450: cur = *ptr;
1451: while (cur != ';') {
1452: if ((cur >= '0') && (cur <= '9'))
1453: val = val * 10 + (cur - '0');
1454: else {
1455: ctxt->errNo = XML_ERR_INVALID_DEC_CHARREF;
1456: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1457: ctxt->sax->error(ctxt->userData,
1458: "xmlParseCharRef: invalid decimal value\n");
1459: ctxt->wellFormed = 0;
1.180 daniel 1460: ctxt->disableSAX = 1;
1.135 daniel 1461: val = 0;
1462: break;
1463: }
1464: ptr++;
1465: cur = *ptr;
1466: }
1467: if (cur == ';')
1468: ptr++;
1469: } else {
1470: ctxt->errNo = XML_ERR_INVALID_CHARREF;
1471: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1472: ctxt->sax->error(ctxt->userData,
1473: "xmlParseCharRef: invalid value\n");
1474: ctxt->wellFormed = 0;
1.180 daniel 1475: ctxt->disableSAX = 1;
1.135 daniel 1476: return(0);
1477: }
1478: *str = ptr;
1479:
1480: /*
1481: * [ WFC: Legal Character ]
1482: * Characters referred to using character references must match the
1483: * production for Char.
1484: */
1485: if (IS_CHAR(val)) {
1486: return(val);
1487: } else {
1488: ctxt->errNo = XML_ERR_INVALID_CHAR;
1489: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1490: ctxt->sax->error(ctxt->userData,
1491: "CharRef: invalid xmlChar value %d\n", val);
1492: ctxt->wellFormed = 0;
1.180 daniel 1493: ctxt->disableSAX = 1;
1.135 daniel 1494: }
1495: return(0);
1496: }
1497:
1498: /**
1.96 daniel 1499: * xmlParserHandleReference:
1500: * @ctxt: the parser context
1501: *
1.97 daniel 1502: * [67] Reference ::= EntityRef | CharRef
1503: *
1.96 daniel 1504: * [68] EntityRef ::= '&' Name ';'
1505: *
1.98 daniel 1506: * [ WFC: Entity Declared ]
1507: * the Name given in the entity reference must match that in an entity
1508: * declaration, except that well-formed documents need not declare any
1509: * of the following entities: amp, lt, gt, apos, quot.
1510: *
1511: * [ WFC: Parsed Entity ]
1512: * An entity reference must not contain the name of an unparsed entity
1513: *
1.97 daniel 1514: * [66] CharRef ::= '&#' [0-9]+ ';' |
1515: * '&#x' [0-9a-fA-F]+ ';'
1516: *
1.96 daniel 1517: * A PEReference may have been detectect in the current input stream
1518: * the handling is done accordingly to
1519: * http://www.w3.org/TR/REC-xml#entproc
1520: */
1521: void
1522: xmlParserHandleReference(xmlParserCtxtPtr ctxt) {
1.97 daniel 1523: xmlParserInputPtr input;
1.123 daniel 1524: xmlChar *name;
1.97 daniel 1525: xmlEntityPtr ent = NULL;
1526:
1.126 daniel 1527: if (ctxt->token != 0) {
1528: return;
1529: }
1.152 daniel 1530: if (RAW != '&') return;
1.97 daniel 1531: GROW;
1.152 daniel 1532: if ((RAW == '&') && (NXT(1) == '#')) {
1.97 daniel 1533: switch(ctxt->instate) {
1.140 daniel 1534: case XML_PARSER_ENTITY_DECL:
1535: case XML_PARSER_PI:
1.109 daniel 1536: case XML_PARSER_CDATA_SECTION:
1.140 daniel 1537: case XML_PARSER_COMMENT:
1.168 daniel 1538: case XML_PARSER_SYSTEM_LITERAL:
1.140 daniel 1539: /* we just ignore it there */
1540: return;
1541: case XML_PARSER_START_TAG:
1.109 daniel 1542: return;
1.140 daniel 1543: case XML_PARSER_END_TAG:
1.97 daniel 1544: return;
1545: case XML_PARSER_EOF:
1.123 daniel 1546: ctxt->errNo = XML_ERR_CHARREF_AT_EOF;
1.97 daniel 1547: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1548: ctxt->sax->error(ctxt->userData, "CharRef at EOF\n");
1549: ctxt->wellFormed = 0;
1.180 daniel 1550: ctxt->disableSAX = 1;
1.97 daniel 1551: return;
1552: case XML_PARSER_PROLOG:
1.140 daniel 1553: case XML_PARSER_START:
1554: case XML_PARSER_MISC:
1.123 daniel 1555: ctxt->errNo = XML_ERR_CHARREF_IN_PROLOG;
1.97 daniel 1556: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1557: ctxt->sax->error(ctxt->userData, "CharRef in prolog!\n");
1558: ctxt->wellFormed = 0;
1.180 daniel 1559: ctxt->disableSAX = 1;
1.97 daniel 1560: return;
1561: case XML_PARSER_EPILOG:
1.123 daniel 1562: ctxt->errNo = XML_ERR_CHARREF_IN_EPILOG;
1.97 daniel 1563: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1564: ctxt->sax->error(ctxt->userData, "CharRef in epilog!\n");
1565: ctxt->wellFormed = 0;
1.180 daniel 1566: ctxt->disableSAX = 1;
1.97 daniel 1567: return;
1568: case XML_PARSER_DTD:
1.123 daniel 1569: ctxt->errNo = XML_ERR_CHARREF_IN_DTD;
1.97 daniel 1570: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1571: ctxt->sax->error(ctxt->userData,
1572: "CharRef are forbiden in DTDs!\n");
1573: ctxt->wellFormed = 0;
1.180 daniel 1574: ctxt->disableSAX = 1;
1.97 daniel 1575: return;
1576: case XML_PARSER_ENTITY_VALUE:
1577: /*
1578: * NOTE: in the case of entity values, we don't do the
1.127 daniel 1579: * substitution here since we need the literal
1.97 daniel 1580: * entity value to be able to save the internal
1581: * subset of the document.
1582: * This will be handled by xmlDecodeEntities
1583: */
1584: return;
1585: case XML_PARSER_CONTENT:
1586: case XML_PARSER_ATTRIBUTE_VALUE:
1587: ctxt->token = xmlParseCharRef(ctxt);
1588: return;
1589: }
1590: return;
1591: }
1592:
1593: switch(ctxt->instate) {
1.109 daniel 1594: case XML_PARSER_CDATA_SECTION:
1595: return;
1.140 daniel 1596: case XML_PARSER_PI:
1.97 daniel 1597: case XML_PARSER_COMMENT:
1.168 daniel 1598: case XML_PARSER_SYSTEM_LITERAL:
1599: case XML_PARSER_CONTENT:
1.97 daniel 1600: return;
1.140 daniel 1601: case XML_PARSER_START_TAG:
1602: return;
1603: case XML_PARSER_END_TAG:
1604: return;
1.97 daniel 1605: case XML_PARSER_EOF:
1.123 daniel 1606: ctxt->errNo = XML_ERR_ENTITYREF_AT_EOF;
1.97 daniel 1607: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1608: ctxt->sax->error(ctxt->userData, "Reference at EOF\n");
1609: ctxt->wellFormed = 0;
1.180 daniel 1610: ctxt->disableSAX = 1;
1.97 daniel 1611: return;
1612: case XML_PARSER_PROLOG:
1.140 daniel 1613: case XML_PARSER_START:
1614: case XML_PARSER_MISC:
1.123 daniel 1615: ctxt->errNo = XML_ERR_ENTITYREF_IN_PROLOG;
1.97 daniel 1616: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1617: ctxt->sax->error(ctxt->userData, "Reference in prolog!\n");
1618: ctxt->wellFormed = 0;
1.180 daniel 1619: ctxt->disableSAX = 1;
1.97 daniel 1620: return;
1621: case XML_PARSER_EPILOG:
1.123 daniel 1622: ctxt->errNo = XML_ERR_ENTITYREF_IN_EPILOG;
1.97 daniel 1623: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1624: ctxt->sax->error(ctxt->userData, "Reference in epilog!\n");
1625: ctxt->wellFormed = 0;
1.180 daniel 1626: ctxt->disableSAX = 1;
1.97 daniel 1627: return;
1628: case XML_PARSER_ENTITY_VALUE:
1629: /*
1630: * NOTE: in the case of entity values, we don't do the
1.127 daniel 1631: * substitution here since we need the literal
1.97 daniel 1632: * entity value to be able to save the internal
1633: * subset of the document.
1634: * This will be handled by xmlDecodeEntities
1635: */
1636: return;
1637: case XML_PARSER_ATTRIBUTE_VALUE:
1638: /*
1639: * NOTE: in the case of attributes values, we don't do the
1640: * substitution here unless we are in a mode where
1641: * the parser is explicitely asked to substitute
1642: * entities. The SAX callback is called with values
1643: * without entity substitution.
1644: * This will then be handled by xmlDecodeEntities
1645: */
1.113 daniel 1646: return;
1.97 daniel 1647: case XML_PARSER_ENTITY_DECL:
1648: /*
1649: * we just ignore it there
1650: * the substitution will be done once the entity is referenced
1651: */
1652: return;
1653: case XML_PARSER_DTD:
1.123 daniel 1654: ctxt->errNo = XML_ERR_ENTITYREF_IN_DTD;
1.97 daniel 1655: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1656: ctxt->sax->error(ctxt->userData,
1657: "Entity references are forbiden in DTDs!\n");
1658: ctxt->wellFormed = 0;
1.180 daniel 1659: ctxt->disableSAX = 1;
1.97 daniel 1660: return;
1661: }
1662:
1663: NEXT;
1664: name = xmlScanName(ctxt);
1665: if (name == NULL) {
1.123 daniel 1666: ctxt->errNo = XML_ERR_ENTITYREF_NO_NAME;
1.97 daniel 1667: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1668: ctxt->sax->error(ctxt->userData, "Entity reference: no name\n");
1669: ctxt->wellFormed = 0;
1.180 daniel 1670: ctxt->disableSAX = 1;
1.97 daniel 1671: ctxt->token = '&';
1672: return;
1673: }
1674: if (NXT(xmlStrlen(name)) != ';') {
1.123 daniel 1675: ctxt->errNo = XML_ERR_ENTITYREF_SEMICOL_MISSING;
1.97 daniel 1676: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1677: ctxt->sax->error(ctxt->userData,
1678: "Entity reference: ';' expected\n");
1679: ctxt->wellFormed = 0;
1.180 daniel 1680: ctxt->disableSAX = 1;
1.97 daniel 1681: ctxt->token = '&';
1.119 daniel 1682: xmlFree(name);
1.97 daniel 1683: return;
1684: }
1685: SKIP(xmlStrlen(name) + 1);
1686: if (ctxt->sax != NULL) {
1687: if (ctxt->sax->getEntity != NULL)
1688: ent = ctxt->sax->getEntity(ctxt->userData, name);
1689: }
1.98 daniel 1690:
1691: /*
1692: * [ WFC: Entity Declared ]
1693: * the Name given in the entity reference must match that in an entity
1694: * declaration, except that well-formed documents need not declare any
1695: * of the following entities: amp, lt, gt, apos, quot.
1696: */
1.97 daniel 1697: if (ent == NULL)
1698: ent = xmlGetPredefinedEntity(name);
1699: if (ent == NULL) {
1.123 daniel 1700: ctxt->errNo = XML_ERR_UNDECLARED_ENTITY;
1.97 daniel 1701: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1702: ctxt->sax->error(ctxt->userData,
1.98 daniel 1703: "Entity reference: entity %s not declared\n",
1704: name);
1.97 daniel 1705: ctxt->wellFormed = 0;
1.180 daniel 1706: ctxt->disableSAX = 1;
1.119 daniel 1707: xmlFree(name);
1.97 daniel 1708: return;
1709: }
1.98 daniel 1710:
1711: /*
1712: * [ WFC: Parsed Entity ]
1713: * An entity reference must not contain the name of an unparsed entity
1714: */
1.159 daniel 1715: if (ent->etype == XML_EXTERNAL_GENERAL_UNPARSED_ENTITY) {
1.123 daniel 1716: ctxt->errNo = XML_ERR_UNPARSED_ENTITY;
1.98 daniel 1717: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1718: ctxt->sax->error(ctxt->userData,
1719: "Entity reference to unparsed entity %s\n", name);
1720: ctxt->wellFormed = 0;
1.180 daniel 1721: ctxt->disableSAX = 1;
1.98 daniel 1722: }
1723:
1.159 daniel 1724: if (ent->etype == XML_INTERNAL_PREDEFINED_ENTITY) {
1.97 daniel 1725: ctxt->token = ent->content[0];
1.119 daniel 1726: xmlFree(name);
1.97 daniel 1727: return;
1728: }
1729: input = xmlNewEntityInputStream(ctxt, ent);
1730: xmlPushInput(ctxt, input);
1.119 daniel 1731: xmlFree(name);
1.96 daniel 1732: return;
1733: }
1734:
1735: /**
1736: * xmlParserHandlePEReference:
1737: * @ctxt: the parser context
1738: *
1739: * [69] PEReference ::= '%' Name ';'
1740: *
1.98 daniel 1741: * [ WFC: No Recursion ]
1742: * TODO A parsed entity must not contain a recursive
1743: * reference to itself, either directly or indirectly.
1744: *
1745: * [ WFC: Entity Declared ]
1746: * In a document without any DTD, a document with only an internal DTD
1747: * subset which contains no parameter entity references, or a document
1748: * with "standalone='yes'", ... ... The declaration of a parameter
1749: * entity must precede any reference to it...
1750: *
1751: * [ VC: Entity Declared ]
1752: * In a document with an external subset or external parameter entities
1753: * with "standalone='no'", ... ... The declaration of a parameter entity
1754: * must precede any reference to it...
1755: *
1756: * [ WFC: In DTD ]
1757: * Parameter-entity references may only appear in the DTD.
1758: * NOTE: misleading but this is handled.
1759: *
1760: * A PEReference may have been detected in the current input stream
1.96 daniel 1761: * the handling is done accordingly to
1762: * http://www.w3.org/TR/REC-xml#entproc
1763: * i.e.
1764: * - Included in literal in entity values
1765: * - Included as Paraemeter Entity reference within DTDs
1766: */
1767: void
1768: xmlParserHandlePEReference(xmlParserCtxtPtr ctxt) {
1.123 daniel 1769: xmlChar *name;
1.96 daniel 1770: xmlEntityPtr entity = NULL;
1771: xmlParserInputPtr input;
1772:
1.126 daniel 1773: if (ctxt->token != 0) {
1774: return;
1775: }
1.152 daniel 1776: if (RAW != '%') return;
1.96 daniel 1777: switch(ctxt->instate) {
1.109 daniel 1778: case XML_PARSER_CDATA_SECTION:
1779: return;
1.97 daniel 1780: case XML_PARSER_COMMENT:
1781: return;
1.140 daniel 1782: case XML_PARSER_START_TAG:
1783: return;
1784: case XML_PARSER_END_TAG:
1785: return;
1.96 daniel 1786: case XML_PARSER_EOF:
1.123 daniel 1787: ctxt->errNo = XML_ERR_PEREF_AT_EOF;
1.96 daniel 1788: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1789: ctxt->sax->error(ctxt->userData, "PEReference at EOF\n");
1790: ctxt->wellFormed = 0;
1.180 daniel 1791: ctxt->disableSAX = 1;
1.96 daniel 1792: return;
1793: case XML_PARSER_PROLOG:
1.140 daniel 1794: case XML_PARSER_START:
1795: case XML_PARSER_MISC:
1.123 daniel 1796: ctxt->errNo = XML_ERR_PEREF_IN_PROLOG;
1.96 daniel 1797: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1798: ctxt->sax->error(ctxt->userData, "PEReference in prolog!\n");
1799: ctxt->wellFormed = 0;
1.180 daniel 1800: ctxt->disableSAX = 1;
1.96 daniel 1801: return;
1.97 daniel 1802: case XML_PARSER_ENTITY_DECL:
1.96 daniel 1803: case XML_PARSER_CONTENT:
1804: case XML_PARSER_ATTRIBUTE_VALUE:
1.140 daniel 1805: case XML_PARSER_PI:
1.168 daniel 1806: case XML_PARSER_SYSTEM_LITERAL:
1.96 daniel 1807: /* we just ignore it there */
1808: return;
1809: case XML_PARSER_EPILOG:
1.123 daniel 1810: ctxt->errNo = XML_ERR_PEREF_IN_EPILOG;
1.96 daniel 1811: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1.97 daniel 1812: ctxt->sax->error(ctxt->userData, "PEReference in epilog!\n");
1.96 daniel 1813: ctxt->wellFormed = 0;
1.180 daniel 1814: ctxt->disableSAX = 1;
1.96 daniel 1815: return;
1.97 daniel 1816: case XML_PARSER_ENTITY_VALUE:
1817: /*
1818: * NOTE: in the case of entity values, we don't do the
1.127 daniel 1819: * substitution here since we need the literal
1.97 daniel 1820: * entity value to be able to save the internal
1821: * subset of the document.
1822: * This will be handled by xmlDecodeEntities
1823: */
1824: return;
1.96 daniel 1825: case XML_PARSER_DTD:
1.98 daniel 1826: /*
1827: * [WFC: Well-Formedness Constraint: PEs in Internal Subset]
1828: * In the internal DTD subset, parameter-entity references
1829: * can occur only where markup declarations can occur, not
1830: * within markup declarations.
1831: * In that case this is handled in xmlParseMarkupDecl
1832: */
1833: if ((ctxt->external == 0) && (ctxt->inputNr == 1))
1834: return;
1.96 daniel 1835: }
1836:
1837: NEXT;
1838: name = xmlParseName(ctxt);
1839: if (name == NULL) {
1.123 daniel 1840: ctxt->errNo = XML_ERR_PEREF_NO_NAME;
1.96 daniel 1841: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1842: ctxt->sax->error(ctxt->userData, "xmlHandlePEReference: no name\n");
1843: ctxt->wellFormed = 0;
1.180 daniel 1844: ctxt->disableSAX = 1;
1.96 daniel 1845: } else {
1.152 daniel 1846: if (RAW == ';') {
1.96 daniel 1847: NEXT;
1.98 daniel 1848: if ((ctxt->sax != NULL) && (ctxt->sax->getParameterEntity != NULL))
1849: entity = ctxt->sax->getParameterEntity(ctxt->userData, name);
1.96 daniel 1850: if (entity == NULL) {
1.98 daniel 1851:
1852: /*
1853: * [ WFC: Entity Declared ]
1854: * In a document without any DTD, a document with only an
1855: * internal DTD subset which contains no parameter entity
1856: * references, or a document with "standalone='yes'", ...
1857: * ... The declaration of a parameter entity must precede
1858: * any reference to it...
1859: */
1860: if ((ctxt->standalone == 1) ||
1861: ((ctxt->hasExternalSubset == 0) &&
1862: (ctxt->hasPErefs == 0))) {
1863: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1864: ctxt->sax->error(ctxt->userData,
1865: "PEReference: %%%s; not found\n", name);
1866: ctxt->wellFormed = 0;
1.180 daniel 1867: ctxt->disableSAX = 1;
1.98 daniel 1868: } else {
1869: /*
1870: * [ VC: Entity Declared ]
1871: * In a document with an external subset or external
1872: * parameter entities with "standalone='no'", ...
1873: * ... The declaration of a parameter entity must precede
1874: * any reference to it...
1875: */
1876: if ((ctxt->sax != NULL) && (ctxt->sax->warning != NULL))
1877: ctxt->sax->warning(ctxt->userData,
1878: "PEReference: %%%s; not found\n", name);
1879: ctxt->valid = 0;
1880: }
1.96 daniel 1881: } else {
1.159 daniel 1882: if ((entity->etype == XML_INTERNAL_PARAMETER_ENTITY) ||
1883: (entity->etype == XML_EXTERNAL_PARAMETER_ENTITY)) {
1.96 daniel 1884: /*
1.156 daniel 1885: * TODO !!! handle the extra spaces added before and after
1.96 daniel 1886: * c.f. http://www.w3.org/TR/REC-xml#as-PE
1887: */
1888: input = xmlNewEntityInputStream(ctxt, entity);
1889: xmlPushInput(ctxt, input);
1.164 daniel 1890: if ((entity->etype == XML_EXTERNAL_PARAMETER_ENTITY) &&
1891: (RAW == '<') && (NXT(1) == '?') &&
1892: (NXT(2) == 'x') && (NXT(3) == 'm') &&
1893: (NXT(4) == 'l') && (IS_BLANK(NXT(5)))) {
1.172 daniel 1894: xmlParseTextDecl(ctxt);
1.164 daniel 1895: }
1896: if (ctxt->token == 0)
1897: ctxt->token = ' ';
1.96 daniel 1898: } else {
1899: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1900: ctxt->sax->error(ctxt->userData,
1901: "xmlHandlePEReference: %s is not a parameter entity\n",
1902: name);
1903: ctxt->wellFormed = 0;
1.180 daniel 1904: ctxt->disableSAX = 1;
1.96 daniel 1905: }
1906: }
1907: } else {
1.123 daniel 1908: ctxt->errNo = XML_ERR_PEREF_SEMICOL_MISSING;
1.96 daniel 1909: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1910: ctxt->sax->error(ctxt->userData,
1911: "xmlHandlePEReference: expecting ';'\n");
1912: ctxt->wellFormed = 0;
1.180 daniel 1913: ctxt->disableSAX = 1;
1.96 daniel 1914: }
1.119 daniel 1915: xmlFree(name);
1.97 daniel 1916: }
1917: }
1918:
1919: /*
1920: * Macro used to grow the current buffer.
1921: */
1922: #define growBuffer(buffer) { \
1923: buffer##_size *= 2; \
1.145 daniel 1924: buffer = (xmlChar *) \
1925: xmlRealloc(buffer, buffer##_size * sizeof(xmlChar)); \
1.97 daniel 1926: if (buffer == NULL) { \
1927: perror("realloc failed"); \
1.145 daniel 1928: return(NULL); \
1.97 daniel 1929: } \
1.96 daniel 1930: }
1.77 daniel 1931:
1932: /**
1933: * xmlDecodeEntities:
1934: * @ctxt: the parser context
1935: * @what: combination of XML_SUBSTITUTE_REF and XML_SUBSTITUTE_PEREF
1936: * @len: the len to decode (in bytes !), -1 for no size limit
1.123 daniel 1937: * @end: an end marker xmlChar, 0 if none
1938: * @end2: an end marker xmlChar, 0 if none
1939: * @end3: an end marker xmlChar, 0 if none
1.77 daniel 1940: *
1941: * [67] Reference ::= EntityRef | CharRef
1942: *
1943: * [69] PEReference ::= '%' Name ';'
1944: *
1945: * Returns A newly allocated string with the substitution done. The caller
1946: * must deallocate it !
1947: */
1.123 daniel 1948: xmlChar *
1.77 daniel 1949: xmlDecodeEntities(xmlParserCtxtPtr ctxt, int len, int what,
1.123 daniel 1950: xmlChar end, xmlChar end2, xmlChar end3) {
1951: xmlChar *buffer = NULL;
1.78 daniel 1952: int buffer_size = 0;
1.161 daniel 1953: int nbchars = 0;
1.78 daniel 1954:
1.123 daniel 1955: xmlChar *current = NULL;
1.77 daniel 1956: xmlEntityPtr ent;
1957: unsigned int max = (unsigned int) len;
1.161 daniel 1958: int c,l;
1.77 daniel 1959:
1.185 daniel 1960: if (ctxt->depth > 40) {
1961: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1962: ctxt->sax->error(ctxt->userData,
1963: "Detected entity reference loop\n");
1964: ctxt->wellFormed = 0;
1965: ctxt->disableSAX = 1;
1966: ctxt->errNo = XML_ERR_ENTITY_LOOP;
1967: return(NULL);
1968: }
1969:
1.77 daniel 1970: /*
1971: * allocate a translation buffer.
1972: */
1.140 daniel 1973: buffer_size = XML_PARSER_BIG_BUFFER_SIZE;
1.123 daniel 1974: buffer = (xmlChar *) xmlMalloc(buffer_size * sizeof(xmlChar));
1.77 daniel 1975: if (buffer == NULL) {
1976: perror("xmlDecodeEntities: malloc failed");
1977: return(NULL);
1978: }
1979:
1.78 daniel 1980: /*
1981: * Ok loop until we reach one of the ending char or a size limit.
1982: */
1.161 daniel 1983: c = CUR_CHAR(l);
1984: while ((nbchars < max) && (c != end) &&
1985: (c != end2) && (c != end3)) {
1.77 daniel 1986:
1.161 daniel 1987: if (c == 0) break;
1988: if (((c == '&') && (ctxt->token != '&')) && (NXT(1) == '#')) {
1.98 daniel 1989: int val = xmlParseCharRef(ctxt);
1.161 daniel 1990: COPY_BUF(0,buffer,nbchars,val);
1991: NEXTL(l);
1992: } else if ((c == '&') && (ctxt->token != '&') &&
1993: (what & XML_SUBSTITUTE_REF)) {
1.98 daniel 1994: ent = xmlParseEntityRef(ctxt);
1995: if ((ent != NULL) &&
1996: (ctxt->replaceEntities != 0)) {
1997: current = ent->content;
1998: while (*current != 0) {
1.161 daniel 1999: buffer[nbchars++] = *current++;
2000: if (nbchars > buffer_size - XML_PARSER_BUFFER_SIZE) {
1.98 daniel 2001: growBuffer(buffer);
1.77 daniel 2002: }
2003: }
1.98 daniel 2004: } else if (ent != NULL) {
1.123 daniel 2005: const xmlChar *cur = ent->name;
1.98 daniel 2006:
1.161 daniel 2007: buffer[nbchars++] = '&';
2008: if (nbchars > buffer_size - XML_PARSER_BUFFER_SIZE) {
1.98 daniel 2009: growBuffer(buffer);
2010: }
1.161 daniel 2011: while (*cur != 0) {
2012: buffer[nbchars++] = *cur++;
2013: }
2014: buffer[nbchars++] = ';';
1.77 daniel 2015: }
1.161 daniel 2016: } else if (c == '%' && (what & XML_SUBSTITUTE_PEREF)) {
1.97 daniel 2017: /*
1.77 daniel 2018: * a PEReference induce to switch the entity flow,
2019: * we break here to flush the current set of chars
2020: * parsed if any. We will be called back later.
1.97 daniel 2021: */
1.91 daniel 2022: if (nbchars != 0) break;
1.77 daniel 2023:
2024: xmlParsePEReference(ctxt);
1.79 daniel 2025:
1.97 daniel 2026: /*
1.79 daniel 2027: * Pop-up of finished entities.
1.97 daniel 2028: */
1.152 daniel 2029: while ((RAW == 0) && (ctxt->inputNr > 1))
1.79 daniel 2030: xmlPopInput(ctxt);
2031:
1.98 daniel 2032: break;
1.77 daniel 2033: } else {
1.161 daniel 2034: COPY_BUF(l,buffer,nbchars,c);
2035: NEXTL(l);
2036: if (nbchars > buffer_size - XML_PARSER_BUFFER_SIZE) {
1.86 daniel 2037: growBuffer(buffer);
2038: }
1.77 daniel 2039: }
1.161 daniel 2040: c = CUR_CHAR(l);
1.77 daniel 2041: }
1.161 daniel 2042: buffer[nbchars++] = 0;
1.77 daniel 2043: return(buffer);
2044: }
2045:
1.135 daniel 2046: /**
2047: * xmlStringDecodeEntities:
2048: * @ctxt: the parser context
2049: * @str: the input string
2050: * @what: combination of XML_SUBSTITUTE_REF and XML_SUBSTITUTE_PEREF
2051: * @end: an end marker xmlChar, 0 if none
2052: * @end2: an end marker xmlChar, 0 if none
2053: * @end3: an end marker xmlChar, 0 if none
2054: *
2055: * [67] Reference ::= EntityRef | CharRef
2056: *
2057: * [69] PEReference ::= '%' Name ';'
2058: *
2059: * Returns A newly allocated string with the substitution done. The caller
2060: * must deallocate it !
2061: */
2062: xmlChar *
2063: xmlStringDecodeEntities(xmlParserCtxtPtr ctxt, const xmlChar *str, int what,
2064: xmlChar end, xmlChar end2, xmlChar end3) {
2065: xmlChar *buffer = NULL;
2066: int buffer_size = 0;
2067:
2068: xmlChar *current = NULL;
2069: xmlEntityPtr ent;
1.176 daniel 2070: int c,l;
2071: int nbchars = 0;
1.135 daniel 2072:
1.185 daniel 2073: if (ctxt->depth > 40) {
2074: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
2075: ctxt->sax->error(ctxt->userData,
2076: "Detected entity reference loop\n");
2077: ctxt->wellFormed = 0;
2078: ctxt->disableSAX = 1;
2079: ctxt->errNo = XML_ERR_ENTITY_LOOP;
2080: return(NULL);
2081: }
2082:
1.135 daniel 2083: /*
2084: * allocate a translation buffer.
2085: */
1.140 daniel 2086: buffer_size = XML_PARSER_BIG_BUFFER_SIZE;
1.135 daniel 2087: buffer = (xmlChar *) xmlMalloc(buffer_size * sizeof(xmlChar));
2088: if (buffer == NULL) {
2089: perror("xmlDecodeEntities: malloc failed");
2090: return(NULL);
2091: }
2092:
2093: /*
2094: * Ok loop until we reach one of the ending char or a size limit.
2095: */
1.176 daniel 2096: c = CUR_SCHAR(str, l);
2097: while ((c != 0) && (c != end) && (c != end2) && (c != end3)) {
1.135 daniel 2098:
1.176 daniel 2099: if (c == 0) break;
2100: if ((c == '&') && (str[1] == '#')) {
1.135 daniel 2101: int val = xmlParseStringCharRef(ctxt, &str);
1.176 daniel 2102: if (val != 0) {
2103: COPY_BUF(0,buffer,nbchars,val);
2104: }
2105: } else if ((c == '&') && (what & XML_SUBSTITUTE_REF)) {
1.135 daniel 2106: ent = xmlParseStringEntityRef(ctxt, &str);
1.185 daniel 2107: if ((ent != NULL) && (ent->content != NULL)) {
2108: xmlChar *rep;
2109:
2110: ctxt->depth++;
2111: rep = xmlStringDecodeEntities(ctxt, ent->content, what,
2112: 0, 0, 0);
2113: ctxt->depth--;
2114: if (rep != NULL) {
2115: current = rep;
2116: while (*current != 0) {
2117: buffer[nbchars++] = *current++;
2118: if (nbchars >
2119: buffer_size - XML_PARSER_BUFFER_SIZE) {
2120: growBuffer(buffer);
2121: }
1.135 daniel 2122: }
1.185 daniel 2123: xmlFree(rep);
1.135 daniel 2124: }
2125: } else if (ent != NULL) {
2126: int i = xmlStrlen(ent->name);
2127: const xmlChar *cur = ent->name;
2128:
1.176 daniel 2129: buffer[nbchars++] = '&';
2130: if (nbchars > buffer_size - i - XML_PARSER_BUFFER_SIZE) {
1.135 daniel 2131: growBuffer(buffer);
2132: }
2133: for (;i > 0;i--)
1.176 daniel 2134: buffer[nbchars++] = *cur++;
2135: buffer[nbchars++] = ';';
1.135 daniel 2136: }
1.176 daniel 2137: } else if (c == '%' && (what & XML_SUBSTITUTE_PEREF)) {
1.135 daniel 2138: ent = xmlParseStringPEReference(ctxt, &str);
2139: if (ent != NULL) {
1.185 daniel 2140: xmlChar *rep;
2141:
2142: ctxt->depth++;
2143: rep = xmlStringDecodeEntities(ctxt, ent->content, what,
2144: 0, 0, 0);
2145: ctxt->depth--;
2146: if (rep != NULL) {
2147: current = rep;
2148: while (*current != 0) {
2149: buffer[nbchars++] = *current++;
2150: if (nbchars >
2151: buffer_size - XML_PARSER_BUFFER_SIZE) {
2152: growBuffer(buffer);
2153: }
1.135 daniel 2154: }
1.185 daniel 2155: xmlFree(rep);
1.135 daniel 2156: }
2157: }
2158: } else {
1.176 daniel 2159: COPY_BUF(l,buffer,nbchars,c);
2160: str += l;
2161: if (nbchars > buffer_size - XML_PARSER_BUFFER_SIZE) {
1.135 daniel 2162: growBuffer(buffer);
2163: }
2164: }
1.176 daniel 2165: c = CUR_SCHAR(str, l);
1.135 daniel 2166: }
1.176 daniel 2167: buffer[nbchars++] = 0;
1.135 daniel 2168: return(buffer);
2169: }
2170:
1.1 veillard 2171:
1.28 daniel 2172: /************************************************************************
2173: * *
1.75 daniel 2174: * Commodity functions to handle encodings *
2175: * *
2176: ************************************************************************/
2177:
1.172 daniel 2178: /*
2179: * xmlCheckLanguageID
2180: * @lang: pointer to the string value
2181: *
2182: * Checks that the value conforms to the LanguageID production:
2183: *
2184: * [33] LanguageID ::= Langcode ('-' Subcode)*
2185: * [34] Langcode ::= ISO639Code | IanaCode | UserCode
2186: * [35] ISO639Code ::= ([a-z] | [A-Z]) ([a-z] | [A-Z])
2187: * [36] IanaCode ::= ('i' | 'I') '-' ([a-z] | [A-Z])+
2188: * [37] UserCode ::= ('x' | 'X') '-' ([a-z] | [A-Z])+
2189: * [38] Subcode ::= ([a-z] | [A-Z])+
2190: *
2191: * Returns 1 if correct 0 otherwise
2192: **/
2193: int
2194: xmlCheckLanguageID(const xmlChar *lang) {
2195: const xmlChar *cur = lang;
2196:
2197: if (cur == NULL)
2198: return(0);
2199: if (((cur[0] == 'i') && (cur[1] == '-')) ||
2200: ((cur[0] == 'I') && (cur[1] == '-'))) {
2201: /*
2202: * IANA code
2203: */
2204: cur += 2;
2205: while (((cur[0] >= 'A') && (cur[0] <= 'Z')) ||
2206: ((cur[0] >= 'a') && (cur[0] <= 'z')))
2207: cur++;
2208: } else if (((cur[0] == 'x') && (cur[1] == '-')) ||
2209: ((cur[0] == 'X') && (cur[1] == '-'))) {
2210: /*
2211: * User code
2212: */
2213: cur += 2;
2214: while (((cur[0] >= 'A') && (cur[0] <= 'Z')) ||
2215: ((cur[0] >= 'a') && (cur[0] <= 'z')))
2216: cur++;
2217: } else if (((cur[0] >= 'A') && (cur[0] <= 'Z')) ||
2218: ((cur[0] >= 'a') && (cur[0] <= 'z'))) {
2219: /*
2220: * ISO639
2221: */
2222: cur++;
2223: if (((cur[0] >= 'A') && (cur[0] <= 'Z')) ||
2224: ((cur[0] >= 'a') && (cur[0] <= 'z')))
2225: cur++;
2226: else
2227: return(0);
2228: } else
2229: return(0);
2230: while (cur[0] != 0) {
2231: if (cur[0] != '-')
2232: return(0);
2233: cur++;
2234: if (((cur[0] >= 'A') && (cur[0] <= 'Z')) ||
2235: ((cur[0] >= 'a') && (cur[0] <= 'z')))
2236: cur++;
2237: else
2238: return(0);
2239: while (((cur[0] >= 'A') && (cur[0] <= 'Z')) ||
2240: ((cur[0] >= 'a') && (cur[0] <= 'z')))
2241: cur++;
2242: }
2243: return(1);
2244: }
2245:
1.75 daniel 2246: /**
2247: * xmlSwitchEncoding:
2248: * @ctxt: the parser context
1.124 daniel 2249: * @enc: the encoding value (number)
1.75 daniel 2250: *
2251: * change the input functions when discovering the character encoding
2252: * of a given entity.
2253: */
2254: void
2255: xmlSwitchEncoding(xmlParserCtxtPtr ctxt, xmlCharEncoding enc)
2256: {
1.156 daniel 2257: xmlCharEncodingHandlerPtr handler;
2258:
2259: handler = xmlGetCharEncodingHandler(enc);
2260: if (handler != NULL) {
2261: if (ctxt->input != NULL) {
2262: if (ctxt->input->buf != NULL) {
2263: if (ctxt->input->buf->encoder != NULL) {
2264: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
2265: ctxt->sax->error(ctxt->userData,
2266: "xmlSwitchEncoding : encoder already regitered\n");
2267: return;
2268: }
2269: ctxt->input->buf->encoder = handler;
2270:
2271: /*
2272: * Is there already some content down the pipe to convert
2273: */
2274: if ((ctxt->input->buf->buffer != NULL) &&
2275: (ctxt->input->buf->buffer->use > 0)) {
2276: xmlChar *buf;
2277: int res, len, size;
2278: int processed;
2279:
2280: /*
2281: * Specific handling of the Byte Order Mark for
2282: * UTF-16
2283: */
2284: if ((enc == XML_CHAR_ENCODING_UTF16LE) &&
2285: (ctxt->input->cur[0] == 0xFF) &&
2286: (ctxt->input->cur[1] == 0xFE)) {
2287: SKIP(2);
2288: }
2289: if ((enc == XML_CHAR_ENCODING_UTF16BE) &&
2290: (ctxt->input->cur[0] == 0xFE) &&
2291: (ctxt->input->cur[1] == 0xFF)) {
2292: SKIP(2);
2293: }
2294:
2295: /*
2296: * convert the non processed part
2297: */
2298: processed = ctxt->input->cur - ctxt->input->base;
2299: len = ctxt->input->buf->buffer->use - processed;
2300:
2301: if (len <= 0) {
2302: return;
2303: }
2304: size = ctxt->input->buf->buffer->use * 4;
2305: if (size < 4000)
2306: size = 4000;
1.167 daniel 2307: retry_larger:
1.160 daniel 2308: buf = (xmlChar *) xmlMalloc(size + 1);
1.156 daniel 2309: if (buf == NULL) {
2310: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
2311: ctxt->sax->error(ctxt->userData,
2312: "xmlSwitchEncoding : out of memory\n");
2313: return;
2314: }
1.160 daniel 2315: /* TODO !!! Handling of buf too small */
1.156 daniel 2316: res = handler->input(buf, size, ctxt->input->cur, &len);
1.167 daniel 2317: if (res == -1) {
2318: size *= 2;
2319: xmlFree(buf);
2320: goto retry_larger;
2321: }
1.156 daniel 2322: if ((res < 0) ||
2323: (len != ctxt->input->buf->buffer->use - processed)) {
2324: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
2325: ctxt->sax->error(ctxt->userData,
2326: "xmlSwitchEncoding : conversion failed\n");
2327: xmlFree(buf);
2328: return;
2329: }
1.167 daniel 2330:
1.156 daniel 2331: /*
2332: * Conversion succeeded, get rid of the old buffer
2333: */
2334: xmlFree(ctxt->input->buf->buffer->content);
2335: ctxt->input->buf->buffer->content = buf;
2336: ctxt->input->base = buf;
2337: ctxt->input->cur = buf;
2338: ctxt->input->buf->buffer->size = size;
2339: ctxt->input->buf->buffer->use = res;
1.160 daniel 2340: buf[res] = 0;
1.156 daniel 2341: }
2342: return;
2343: } else {
2344: if (ctxt->input->length == 0) {
2345: /*
2346: * When parsing a static memory array one must know the
2347: * size to be able to convert the buffer.
2348: */
2349: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
2350: ctxt->sax->error(ctxt->userData,
2351: "xmlSwitchEncoding : no input\n");
2352: return;
2353: } else {
2354: xmlChar *buf;
2355: int res, len;
2356: int processed = ctxt->input->cur - ctxt->input->base;
2357:
2358: /*
2359: * convert the non processed part
2360: */
2361: len = ctxt->input->length - processed;
2362: if (len <= 0) {
2363: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
2364: ctxt->sax->error(ctxt->userData,
2365: "xmlSwitchEncoding : input fully consumed?\n");
2366: return;
2367: }
2368: buf = (xmlChar *) xmlMalloc(ctxt->input->length * 4);
2369: if (buf == NULL) {
2370: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
2371: ctxt->sax->error(ctxt->userData,
2372: "xmlSwitchEncoding : out of memory\n");
2373: return;
2374: }
2375: res = handler->input(buf, ctxt->input->length * 4,
2376: ctxt->input->cur, &len);
2377: if ((res < 0) ||
2378: (len != ctxt->input->length - processed)) {
2379: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
2380: ctxt->sax->error(ctxt->userData,
2381: "xmlSwitchEncoding : conversion failed\n");
2382: xmlFree(buf);
2383: return;
2384: }
2385: /*
2386: * Conversion succeeded, get rid of the old buffer
2387: */
2388: if ((ctxt->input->free != NULL) &&
2389: (ctxt->input->base != NULL))
2390: ctxt->input->free((xmlChar *) ctxt->input->base);
2391: ctxt->input->base = ctxt->input->cur = buf;
2392: ctxt->input->length = res;
2393: }
2394: }
2395: } else {
2396: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
2397: ctxt->sax->error(ctxt->userData,
2398: "xmlSwitchEncoding : no input\n");
2399: }
2400: }
2401:
1.75 daniel 2402: switch (enc) {
2403: case XML_CHAR_ENCODING_ERROR:
1.123 daniel 2404: ctxt->errNo = XML_ERR_UNKNOWN_ENCODING;
1.75 daniel 2405: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
2406: ctxt->sax->error(ctxt->userData, "encoding unknown\n");
2407: ctxt->wellFormed = 0;
1.180 daniel 2408: ctxt->disableSAX = 1;
1.75 daniel 2409: break;
2410: case XML_CHAR_ENCODING_NONE:
2411: /* let's assume it's UTF-8 without the XML decl */
2412: return;
2413: case XML_CHAR_ENCODING_UTF8:
2414: /* default encoding, no conversion should be needed */
2415: return;
2416: case XML_CHAR_ENCODING_UTF16LE:
1.123 daniel 2417: ctxt->errNo = XML_ERR_UNSUPPORTED_ENCODING;
1.75 daniel 2418: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
2419: ctxt->sax->error(ctxt->userData,
2420: "char encoding UTF16 little endian not supported\n");
2421: break;
2422: case XML_CHAR_ENCODING_UTF16BE:
1.123 daniel 2423: ctxt->errNo = XML_ERR_UNSUPPORTED_ENCODING;
1.75 daniel 2424: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
2425: ctxt->sax->error(ctxt->userData,
2426: "char encoding UTF16 big endian not supported\n");
2427: break;
2428: case XML_CHAR_ENCODING_UCS4LE:
1.123 daniel 2429: ctxt->errNo = XML_ERR_UNSUPPORTED_ENCODING;
1.75 daniel 2430: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
2431: ctxt->sax->error(ctxt->userData,
2432: "char encoding USC4 little endian not supported\n");
2433: break;
2434: case XML_CHAR_ENCODING_UCS4BE:
1.123 daniel 2435: ctxt->errNo = XML_ERR_UNSUPPORTED_ENCODING;
1.75 daniel 2436: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
2437: ctxt->sax->error(ctxt->userData,
2438: "char encoding USC4 big endian not supported\n");
2439: break;
2440: case XML_CHAR_ENCODING_EBCDIC:
1.123 daniel 2441: ctxt->errNo = XML_ERR_UNSUPPORTED_ENCODING;
1.75 daniel 2442: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
2443: ctxt->sax->error(ctxt->userData,
2444: "char encoding EBCDIC not supported\n");
2445: break;
2446: case XML_CHAR_ENCODING_UCS4_2143:
1.123 daniel 2447: ctxt->errNo = XML_ERR_UNSUPPORTED_ENCODING;
1.75 daniel 2448: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
2449: ctxt->sax->error(ctxt->userData,
2450: "char encoding UCS4 2143 not supported\n");
2451: break;
2452: case XML_CHAR_ENCODING_UCS4_3412:
1.123 daniel 2453: ctxt->errNo = XML_ERR_UNSUPPORTED_ENCODING;
1.75 daniel 2454: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
2455: ctxt->sax->error(ctxt->userData,
2456: "char encoding UCS4 3412 not supported\n");
2457: break;
2458: case XML_CHAR_ENCODING_UCS2:
1.123 daniel 2459: ctxt->errNo = XML_ERR_UNSUPPORTED_ENCODING;
1.75 daniel 2460: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
2461: ctxt->sax->error(ctxt->userData,
2462: "char encoding UCS2 not supported\n");
2463: break;
2464: case XML_CHAR_ENCODING_8859_1:
1.123 daniel 2465: ctxt->errNo = XML_ERR_UNSUPPORTED_ENCODING;
1.75 daniel 2466: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
2467: ctxt->sax->error(ctxt->userData,
2468: "char encoding ISO_8859_1 ISO Latin 1 not supported\n");
2469: break;
2470: case XML_CHAR_ENCODING_8859_2:
1.123 daniel 2471: ctxt->errNo = XML_ERR_UNSUPPORTED_ENCODING;
1.75 daniel 2472: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
2473: ctxt->sax->error(ctxt->userData,
2474: "char encoding ISO_8859_2 ISO Latin 2 not supported\n");
2475: break;
2476: case XML_CHAR_ENCODING_8859_3:
1.123 daniel 2477: ctxt->errNo = XML_ERR_UNSUPPORTED_ENCODING;
1.75 daniel 2478: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
2479: ctxt->sax->error(ctxt->userData,
2480: "char encoding ISO_8859_3 not supported\n");
2481: break;
2482: case XML_CHAR_ENCODING_8859_4:
1.123 daniel 2483: ctxt->errNo = XML_ERR_UNSUPPORTED_ENCODING;
1.75 daniel 2484: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
2485: ctxt->sax->error(ctxt->userData,
2486: "char encoding ISO_8859_4 not supported\n");
2487: break;
2488: case XML_CHAR_ENCODING_8859_5:
1.123 daniel 2489: ctxt->errNo = XML_ERR_UNSUPPORTED_ENCODING;
1.75 daniel 2490: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
2491: ctxt->sax->error(ctxt->userData,
2492: "char encoding ISO_8859_5 not supported\n");
2493: break;
2494: case XML_CHAR_ENCODING_8859_6:
1.123 daniel 2495: ctxt->errNo = XML_ERR_UNSUPPORTED_ENCODING;
1.75 daniel 2496: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
2497: ctxt->sax->error(ctxt->userData,
2498: "char encoding ISO_8859_6 not supported\n");
2499: break;
2500: case XML_CHAR_ENCODING_8859_7:
1.123 daniel 2501: ctxt->errNo = XML_ERR_UNSUPPORTED_ENCODING;
1.75 daniel 2502: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
2503: ctxt->sax->error(ctxt->userData,
2504: "char encoding ISO_8859_7 not supported\n");
2505: break;
2506: case XML_CHAR_ENCODING_8859_8:
1.123 daniel 2507: ctxt->errNo = XML_ERR_UNSUPPORTED_ENCODING;
1.75 daniel 2508: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
2509: ctxt->sax->error(ctxt->userData,
2510: "char encoding ISO_8859_8 not supported\n");
2511: break;
2512: case XML_CHAR_ENCODING_8859_9:
1.123 daniel 2513: ctxt->errNo = XML_ERR_UNSUPPORTED_ENCODING;
1.75 daniel 2514: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
2515: ctxt->sax->error(ctxt->userData,
2516: "char encoding ISO_8859_9 not supported\n");
2517: break;
2518: case XML_CHAR_ENCODING_2022_JP:
1.123 daniel 2519: ctxt->errNo = XML_ERR_UNSUPPORTED_ENCODING;
1.75 daniel 2520: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
2521: ctxt->sax->error(ctxt->userData,
2522: "char encoding ISO-2022-JPnot supported\n");
2523: break;
2524: case XML_CHAR_ENCODING_SHIFT_JIS:
1.123 daniel 2525: ctxt->errNo = XML_ERR_UNSUPPORTED_ENCODING;
1.75 daniel 2526: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
2527: ctxt->sax->error(ctxt->userData,
2528: "char encoding Shift_JISnot supported\n");
2529: break;
2530: case XML_CHAR_ENCODING_EUC_JP:
1.123 daniel 2531: ctxt->errNo = XML_ERR_UNSUPPORTED_ENCODING;
1.75 daniel 2532: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
2533: ctxt->sax->error(ctxt->userData,
2534: "char encoding EUC-JPnot supported\n");
2535: break;
2536: }
2537: }
2538:
2539: /************************************************************************
2540: * *
1.123 daniel 2541: * Commodity functions to handle xmlChars *
1.28 daniel 2542: * *
2543: ************************************************************************/
2544:
1.50 daniel 2545: /**
2546: * xmlStrndup:
1.123 daniel 2547: * @cur: the input xmlChar *
1.50 daniel 2548: * @len: the len of @cur
2549: *
1.123 daniel 2550: * a strndup for array of xmlChar's
1.68 daniel 2551: *
1.123 daniel 2552: * Returns a new xmlChar * or NULL
1.1 veillard 2553: */
1.123 daniel 2554: xmlChar *
2555: xmlStrndup(const xmlChar *cur, int len) {
1.135 daniel 2556: xmlChar *ret;
2557:
2558: if ((cur == NULL) || (len < 0)) return(NULL);
2559: ret = xmlMalloc((len + 1) * sizeof(xmlChar));
1.1 veillard 2560: if (ret == NULL) {
1.86 daniel 2561: fprintf(stderr, "malloc of %ld byte failed\n",
1.123 daniel 2562: (len + 1) * (long)sizeof(xmlChar));
1.1 veillard 2563: return(NULL);
2564: }
1.123 daniel 2565: memcpy(ret, cur, len * sizeof(xmlChar));
1.1 veillard 2566: ret[len] = 0;
2567: return(ret);
2568: }
2569:
1.50 daniel 2570: /**
2571: * xmlStrdup:
1.123 daniel 2572: * @cur: the input xmlChar *
1.50 daniel 2573: *
1.152 daniel 2574: * a strdup for array of xmlChar's. Since they are supposed to be
2575: * encoded in UTF-8 or an encoding with 8bit based chars, we assume
2576: * a termination mark of '0'.
1.68 daniel 2577: *
1.123 daniel 2578: * Returns a new xmlChar * or NULL
1.1 veillard 2579: */
1.123 daniel 2580: xmlChar *
2581: xmlStrdup(const xmlChar *cur) {
2582: const xmlChar *p = cur;
1.1 veillard 2583:
1.135 daniel 2584: if (cur == NULL) return(NULL);
1.152 daniel 2585: while (*p != 0) p++;
1.1 veillard 2586: return(xmlStrndup(cur, p - cur));
2587: }
2588:
1.50 daniel 2589: /**
2590: * xmlCharStrndup:
2591: * @cur: the input char *
2592: * @len: the len of @cur
2593: *
1.123 daniel 2594: * a strndup for char's to xmlChar's
1.68 daniel 2595: *
1.123 daniel 2596: * Returns a new xmlChar * or NULL
1.45 daniel 2597: */
2598:
1.123 daniel 2599: xmlChar *
1.55 daniel 2600: xmlCharStrndup(const char *cur, int len) {
1.45 daniel 2601: int i;
1.135 daniel 2602: xmlChar *ret;
2603:
2604: if ((cur == NULL) || (len < 0)) return(NULL);
2605: ret = xmlMalloc((len + 1) * sizeof(xmlChar));
1.45 daniel 2606: if (ret == NULL) {
1.86 daniel 2607: fprintf(stderr, "malloc of %ld byte failed\n",
1.123 daniel 2608: (len + 1) * (long)sizeof(xmlChar));
1.45 daniel 2609: return(NULL);
2610: }
2611: for (i = 0;i < len;i++)
1.123 daniel 2612: ret[i] = (xmlChar) cur[i];
1.45 daniel 2613: ret[len] = 0;
2614: return(ret);
2615: }
2616:
1.50 daniel 2617: /**
2618: * xmlCharStrdup:
2619: * @cur: the input char *
2620: * @len: the len of @cur
2621: *
1.123 daniel 2622: * a strdup for char's to xmlChar's
1.68 daniel 2623: *
1.123 daniel 2624: * Returns a new xmlChar * or NULL
1.45 daniel 2625: */
2626:
1.123 daniel 2627: xmlChar *
1.55 daniel 2628: xmlCharStrdup(const char *cur) {
1.45 daniel 2629: const char *p = cur;
2630:
1.135 daniel 2631: if (cur == NULL) return(NULL);
1.45 daniel 2632: while (*p != '\0') p++;
2633: return(xmlCharStrndup(cur, p - cur));
2634: }
2635:
1.50 daniel 2636: /**
2637: * xmlStrcmp:
1.123 daniel 2638: * @str1: the first xmlChar *
2639: * @str2: the second xmlChar *
1.50 daniel 2640: *
1.123 daniel 2641: * a strcmp for xmlChar's
1.68 daniel 2642: *
2643: * Returns the integer result of the comparison
1.14 veillard 2644: */
2645:
1.55 daniel 2646: int
1.123 daniel 2647: xmlStrcmp(const xmlChar *str1, const xmlChar *str2) {
1.14 veillard 2648: register int tmp;
2649:
1.135 daniel 2650: if ((str1 == NULL) && (str2 == NULL)) return(0);
2651: if (str1 == NULL) return(-1);
2652: if (str2 == NULL) return(1);
1.14 veillard 2653: do {
2654: tmp = *str1++ - *str2++;
2655: if (tmp != 0) return(tmp);
2656: } while ((*str1 != 0) && (*str2 != 0));
2657: return (*str1 - *str2);
2658: }
2659:
1.50 daniel 2660: /**
2661: * xmlStrncmp:
1.123 daniel 2662: * @str1: the first xmlChar *
2663: * @str2: the second xmlChar *
1.50 daniel 2664: * @len: the max comparison length
2665: *
1.123 daniel 2666: * a strncmp for xmlChar's
1.68 daniel 2667: *
2668: * Returns the integer result of the comparison
1.14 veillard 2669: */
2670:
1.55 daniel 2671: int
1.123 daniel 2672: xmlStrncmp(const xmlChar *str1, const xmlChar *str2, int len) {
1.14 veillard 2673: register int tmp;
2674:
2675: if (len <= 0) return(0);
1.135 daniel 2676: if ((str1 == NULL) && (str2 == NULL)) return(0);
2677: if (str1 == NULL) return(-1);
2678: if (str2 == NULL) return(1);
1.14 veillard 2679: do {
2680: tmp = *str1++ - *str2++;
2681: if (tmp != 0) return(tmp);
2682: len--;
2683: if (len <= 0) return(0);
2684: } while ((*str1 != 0) && (*str2 != 0));
2685: return (*str1 - *str2);
2686: }
2687:
1.50 daniel 2688: /**
2689: * xmlStrchr:
1.123 daniel 2690: * @str: the xmlChar * array
2691: * @val: the xmlChar to search
1.50 daniel 2692: *
1.123 daniel 2693: * a strchr for xmlChar's
1.68 daniel 2694: *
1.123 daniel 2695: * Returns the xmlChar * for the first occurence or NULL.
1.14 veillard 2696: */
2697:
1.123 daniel 2698: const xmlChar *
2699: xmlStrchr(const xmlChar *str, xmlChar val) {
1.135 daniel 2700: if (str == NULL) return(NULL);
1.14 veillard 2701: while (*str != 0) {
1.123 daniel 2702: if (*str == val) return((xmlChar *) str);
1.14 veillard 2703: str++;
2704: }
2705: return(NULL);
1.89 daniel 2706: }
2707:
2708: /**
2709: * xmlStrstr:
1.123 daniel 2710: * @str: the xmlChar * array (haystack)
2711: * @val: the xmlChar to search (needle)
1.89 daniel 2712: *
1.123 daniel 2713: * a strstr for xmlChar's
1.89 daniel 2714: *
1.123 daniel 2715: * Returns the xmlChar * for the first occurence or NULL.
1.89 daniel 2716: */
2717:
1.123 daniel 2718: const xmlChar *
2719: xmlStrstr(const xmlChar *str, xmlChar *val) {
1.89 daniel 2720: int n;
2721:
2722: if (str == NULL) return(NULL);
2723: if (val == NULL) return(NULL);
2724: n = xmlStrlen(val);
2725:
2726: if (n == 0) return(str);
2727: while (*str != 0) {
2728: if (*str == *val) {
1.123 daniel 2729: if (!xmlStrncmp(str, val, n)) return((const xmlChar *) str);
1.89 daniel 2730: }
2731: str++;
2732: }
2733: return(NULL);
2734: }
2735:
2736: /**
2737: * xmlStrsub:
1.123 daniel 2738: * @str: the xmlChar * array (haystack)
1.89 daniel 2739: * @start: the index of the first char (zero based)
2740: * @len: the length of the substring
2741: *
2742: * Extract a substring of a given string
2743: *
1.123 daniel 2744: * Returns the xmlChar * for the first occurence or NULL.
1.89 daniel 2745: */
2746:
1.123 daniel 2747: xmlChar *
2748: xmlStrsub(const xmlChar *str, int start, int len) {
1.89 daniel 2749: int i;
2750:
2751: if (str == NULL) return(NULL);
2752: if (start < 0) return(NULL);
1.90 daniel 2753: if (len < 0) return(NULL);
1.89 daniel 2754:
2755: for (i = 0;i < start;i++) {
2756: if (*str == 0) return(NULL);
2757: str++;
2758: }
2759: if (*str == 0) return(NULL);
2760: return(xmlStrndup(str, len));
1.14 veillard 2761: }
1.28 daniel 2762:
1.50 daniel 2763: /**
2764: * xmlStrlen:
1.123 daniel 2765: * @str: the xmlChar * array
1.50 daniel 2766: *
1.127 daniel 2767: * length of a xmlChar's string
1.68 daniel 2768: *
1.123 daniel 2769: * Returns the number of xmlChar contained in the ARRAY.
1.45 daniel 2770: */
2771:
1.55 daniel 2772: int
1.123 daniel 2773: xmlStrlen(const xmlChar *str) {
1.45 daniel 2774: int len = 0;
2775:
2776: if (str == NULL) return(0);
2777: while (*str != 0) {
2778: str++;
2779: len++;
2780: }
2781: return(len);
2782: }
2783:
1.50 daniel 2784: /**
2785: * xmlStrncat:
1.123 daniel 2786: * @cur: the original xmlChar * array
2787: * @add: the xmlChar * array added
1.50 daniel 2788: * @len: the length of @add
2789: *
1.123 daniel 2790: * a strncat for array of xmlChar's
1.68 daniel 2791: *
1.123 daniel 2792: * Returns a new xmlChar * containing the concatenated string.
1.45 daniel 2793: */
2794:
1.123 daniel 2795: xmlChar *
2796: xmlStrncat(xmlChar *cur, const xmlChar *add, int len) {
1.45 daniel 2797: int size;
1.123 daniel 2798: xmlChar *ret;
1.45 daniel 2799:
2800: if ((add == NULL) || (len == 0))
2801: return(cur);
2802: if (cur == NULL)
2803: return(xmlStrndup(add, len));
2804:
2805: size = xmlStrlen(cur);
1.123 daniel 2806: ret = xmlRealloc(cur, (size + len + 1) * sizeof(xmlChar));
1.45 daniel 2807: if (ret == NULL) {
1.86 daniel 2808: fprintf(stderr, "xmlStrncat: realloc of %ld byte failed\n",
1.123 daniel 2809: (size + len + 1) * (long)sizeof(xmlChar));
1.45 daniel 2810: return(cur);
2811: }
1.123 daniel 2812: memcpy(&ret[size], add, len * sizeof(xmlChar));
1.45 daniel 2813: ret[size + len] = 0;
2814: return(ret);
2815: }
2816:
1.50 daniel 2817: /**
2818: * xmlStrcat:
1.123 daniel 2819: * @cur: the original xmlChar * array
2820: * @add: the xmlChar * array added
1.50 daniel 2821: *
1.152 daniel 2822: * a strcat for array of xmlChar's. Since they are supposed to be
2823: * encoded in UTF-8 or an encoding with 8bit based chars, we assume
2824: * a termination mark of '0'.
1.68 daniel 2825: *
1.123 daniel 2826: * Returns a new xmlChar * containing the concatenated string.
1.45 daniel 2827: */
1.123 daniel 2828: xmlChar *
2829: xmlStrcat(xmlChar *cur, const xmlChar *add) {
2830: const xmlChar *p = add;
1.45 daniel 2831:
2832: if (add == NULL) return(cur);
2833: if (cur == NULL)
2834: return(xmlStrdup(add));
2835:
1.152 daniel 2836: while (*p != 0) p++;
1.45 daniel 2837: return(xmlStrncat(cur, add, p - add));
2838: }
2839:
2840: /************************************************************************
2841: * *
2842: * Commodity functions, cleanup needed ? *
2843: * *
2844: ************************************************************************/
2845:
1.50 daniel 2846: /**
2847: * areBlanks:
2848: * @ctxt: an XML parser context
1.123 daniel 2849: * @str: a xmlChar *
1.50 daniel 2850: * @len: the size of @str
2851: *
1.45 daniel 2852: * Is this a sequence of blank chars that one can ignore ?
1.50 daniel 2853: *
1.68 daniel 2854: * Returns 1 if ignorable 0 otherwise.
1.45 daniel 2855: */
2856:
1.123 daniel 2857: static int areBlanks(xmlParserCtxtPtr ctxt, const xmlChar *str, int len) {
1.104 daniel 2858: int i, ret;
1.45 daniel 2859: xmlNodePtr lastChild;
2860:
1.176 daniel 2861: /*
2862: * Check for xml:space value.
2863: */
2864: if (*(ctxt->space) == 1)
2865: return(0);
2866:
2867: /*
2868: * Check that the string is made of blanks
2869: */
1.45 daniel 2870: for (i = 0;i < len;i++)
2871: if (!(IS_BLANK(str[i]))) return(0);
2872:
1.176 daniel 2873: /*
2874: * Look if the element is mixed content in the Dtd if available
2875: */
1.104 daniel 2876: if (ctxt->myDoc != NULL) {
2877: ret = xmlIsMixedElement(ctxt->myDoc, ctxt->node->name);
2878: if (ret == 0) return(1);
2879: if (ret == 1) return(0);
2880: }
1.176 daniel 2881:
1.104 daniel 2882: /*
1.176 daniel 2883: * Otherwise, heuristic :-\
1.104 daniel 2884: */
1.179 daniel 2885: if (ctxt->keepBlanks)
2886: return(0);
2887: if (RAW != '<') return(0);
2888: if (ctxt->node == NULL) return(0);
2889: if ((ctxt->node->children == NULL) &&
2890: (RAW == '<') && (NXT(1) == '/')) return(0);
2891:
1.45 daniel 2892: lastChild = xmlGetLastChild(ctxt->node);
2893: if (lastChild == NULL) {
2894: if (ctxt->node->content != NULL) return(0);
2895: } else if (xmlNodeIsText(lastChild))
2896: return(0);
1.157 daniel 2897: else if ((ctxt->node->children != NULL) &&
2898: (xmlNodeIsText(ctxt->node->children)))
1.104 daniel 2899: return(0);
1.45 daniel 2900: return(1);
2901: }
2902:
1.50 daniel 2903: /**
2904: * xmlHandleEntity:
2905: * @ctxt: an XML parser context
2906: * @entity: an XML entity pointer.
2907: *
2908: * Default handling of defined entities, when should we define a new input
1.45 daniel 2909: * stream ? When do we just handle that as a set of chars ?
1.99 daniel 2910: *
2911: * OBSOLETE: to be removed at some point.
1.45 daniel 2912: */
2913:
1.55 daniel 2914: void
2915: xmlHandleEntity(xmlParserCtxtPtr ctxt, xmlEntityPtr entity) {
1.45 daniel 2916: int len;
1.50 daniel 2917: xmlParserInputPtr input;
1.45 daniel 2918:
2919: if (entity->content == NULL) {
1.123 daniel 2920: ctxt->errNo = XML_ERR_INTERNAL_ERROR;
1.55 daniel 2921: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1.74 daniel 2922: ctxt->sax->error(ctxt->userData, "xmlHandleEntity %s: content == NULL\n",
1.45 daniel 2923: entity->name);
1.59 daniel 2924: ctxt->wellFormed = 0;
1.180 daniel 2925: ctxt->disableSAX = 1;
1.45 daniel 2926: return;
2927: }
2928: len = xmlStrlen(entity->content);
2929: if (len <= 2) goto handle_as_char;
2930:
2931: /*
2932: * Redefine its content as an input stream.
2933: */
1.50 daniel 2934: input = xmlNewEntityInputStream(ctxt, entity);
2935: xmlPushInput(ctxt, input);
1.45 daniel 2936: return;
2937:
2938: handle_as_char:
2939: /*
2940: * Just handle the content as a set of chars.
2941: */
1.171 daniel 2942: if ((ctxt->sax != NULL) && (!ctxt->disableSAX) &&
2943: (ctxt->sax->characters != NULL))
1.74 daniel 2944: ctxt->sax->characters(ctxt->userData, entity->content, len);
1.45 daniel 2945:
2946: }
2947:
2948: /*
2949: * Forward definition for recusive behaviour.
2950: */
1.77 daniel 2951: void xmlParsePEReference(xmlParserCtxtPtr ctxt);
2952: void xmlParseReference(xmlParserCtxtPtr ctxt);
1.45 daniel 2953:
1.28 daniel 2954: /************************************************************************
2955: * *
2956: * Extra stuff for namespace support *
2957: * Relates to http://www.w3.org/TR/WD-xml-names *
2958: * *
2959: ************************************************************************/
2960:
1.50 daniel 2961: /**
2962: * xmlNamespaceParseNCName:
2963: * @ctxt: an XML parser context
2964: *
2965: * parse an XML namespace name.
1.28 daniel 2966: *
2967: * [NS 3] NCName ::= (Letter | '_') (NCNameChar)*
2968: *
2969: * [NS 4] NCNameChar ::= Letter | Digit | '.' | '-' | '_' |
2970: * CombiningChar | Extender
1.68 daniel 2971: *
2972: * Returns the namespace name or NULL
1.28 daniel 2973: */
2974:
1.123 daniel 2975: xmlChar *
1.55 daniel 2976: xmlNamespaceParseNCName(xmlParserCtxtPtr ctxt) {
1.152 daniel 2977: xmlChar buf[XML_MAX_NAMELEN + 5];
2978: int len = 0, l;
2979: int cur = CUR_CHAR(l);
1.28 daniel 2980:
1.156 daniel 2981: /* load first the value of the char !!! */
1.152 daniel 2982: if (!IS_LETTER(cur) && (cur != '_')) return(NULL);
1.28 daniel 2983:
1.152 daniel 2984: while ((IS_LETTER(cur)) || (IS_DIGIT(cur)) ||
2985: (cur == '.') || (cur == '-') ||
2986: (cur == '_') ||
2987: (IS_COMBINING(cur)) ||
2988: (IS_EXTENDER(cur))) {
2989: COPY_BUF(l,buf,len,cur);
2990: NEXTL(l);
2991: cur = CUR_CHAR(l);
1.91 daniel 2992: if (len >= XML_MAX_NAMELEN) {
2993: fprintf(stderr,
2994: "xmlNamespaceParseNCName: reached XML_MAX_NAMELEN limit\n");
1.152 daniel 2995: while ((IS_LETTER(cur)) || (IS_DIGIT(cur)) ||
2996: (cur == '.') || (cur == '-') ||
2997: (cur == '_') ||
2998: (IS_COMBINING(cur)) ||
2999: (IS_EXTENDER(cur))) {
3000: NEXTL(l);
3001: cur = CUR_CHAR(l);
3002: }
1.91 daniel 3003: break;
3004: }
3005: }
3006: return(xmlStrndup(buf, len));
1.28 daniel 3007: }
3008:
1.50 daniel 3009: /**
3010: * xmlNamespaceParseQName:
3011: * @ctxt: an XML parser context
1.123 daniel 3012: * @prefix: a xmlChar **
1.50 daniel 3013: *
3014: * parse an XML qualified name
1.28 daniel 3015: *
3016: * [NS 5] QName ::= (Prefix ':')? LocalPart
3017: *
3018: * [NS 6] Prefix ::= NCName
3019: *
3020: * [NS 7] LocalPart ::= NCName
1.68 daniel 3021: *
1.127 daniel 3022: * Returns the local part, and prefix is updated
1.50 daniel 3023: * to get the Prefix if any.
1.28 daniel 3024: */
3025:
1.123 daniel 3026: xmlChar *
3027: xmlNamespaceParseQName(xmlParserCtxtPtr ctxt, xmlChar **prefix) {
3028: xmlChar *ret = NULL;
1.28 daniel 3029:
3030: *prefix = NULL;
3031: ret = xmlNamespaceParseNCName(ctxt);
1.152 daniel 3032: if (RAW == ':') {
1.28 daniel 3033: *prefix = ret;
1.40 daniel 3034: NEXT;
1.28 daniel 3035: ret = xmlNamespaceParseNCName(ctxt);
3036: }
3037:
3038: return(ret);
3039: }
3040:
1.50 daniel 3041: /**
1.72 daniel 3042: * xmlSplitQName:
1.162 daniel 3043: * @ctxt: an XML parser context
1.72 daniel 3044: * @name: an XML parser context
1.123 daniel 3045: * @prefix: a xmlChar **
1.72 daniel 3046: *
3047: * parse an XML qualified name string
3048: *
3049: * [NS 5] QName ::= (Prefix ':')? LocalPart
3050: *
3051: * [NS 6] Prefix ::= NCName
3052: *
3053: * [NS 7] LocalPart ::= NCName
3054: *
1.127 daniel 3055: * Returns the local part, and prefix is updated
1.72 daniel 3056: * to get the Prefix if any.
3057: */
3058:
1.123 daniel 3059: xmlChar *
1.162 daniel 3060: xmlSplitQName(xmlParserCtxtPtr ctxt, const xmlChar *name, xmlChar **prefix) {
3061: xmlChar buf[XML_MAX_NAMELEN + 5];
3062: int len = 0;
1.123 daniel 3063: xmlChar *ret = NULL;
3064: const xmlChar *cur = name;
1.162 daniel 3065: int c,l;
1.72 daniel 3066:
3067: *prefix = NULL;
1.113 daniel 3068:
3069: /* xml: prefix is not really a namespace */
3070: if ((cur[0] == 'x') && (cur[1] == 'm') &&
3071: (cur[2] == 'l') && (cur[3] == ':'))
3072: return(xmlStrdup(name));
3073:
1.162 daniel 3074: /* nasty but valid */
3075: if (cur[0] == ':')
3076: return(xmlStrdup(name));
3077:
3078: c = CUR_SCHAR(cur, l);
3079: if (!IS_LETTER(c) && (c != '_')) return(NULL);
1.72 daniel 3080:
1.162 daniel 3081: while ((IS_LETTER(c)) || (IS_DIGIT(c)) ||
3082: (c == '.') || (c == '-') ||
3083: (c == '_') ||
3084: (IS_COMBINING(c)) ||
3085: (IS_EXTENDER(c))) {
3086: COPY_BUF(l,buf,len,c);
3087: cur += l;
3088: c = CUR_SCHAR(cur, l);
3089: }
1.72 daniel 3090:
1.162 daniel 3091: ret = xmlStrndup(buf, len);
1.72 daniel 3092:
1.162 daniel 3093: if (c == ':') {
3094: cur += l;
1.163 daniel 3095: c = CUR_SCHAR(cur, l);
1.162 daniel 3096: if (!IS_LETTER(c) && (c != '_')) return(ret);
1.72 daniel 3097: *prefix = ret;
1.162 daniel 3098: len = 0;
1.72 daniel 3099:
1.162 daniel 3100: while ((IS_LETTER(c)) || (IS_DIGIT(c)) ||
3101: (c == '.') || (c == '-') ||
3102: (c == '_') ||
3103: (IS_COMBINING(c)) ||
3104: (IS_EXTENDER(c))) {
3105: COPY_BUF(l,buf,len,c);
3106: cur += l;
3107: c = CUR_SCHAR(cur, l);
3108: }
1.72 daniel 3109:
1.162 daniel 3110: ret = xmlStrndup(buf, len);
1.72 daniel 3111: }
3112:
3113: return(ret);
3114: }
3115: /**
1.50 daniel 3116: * xmlNamespaceParseNSDef:
3117: * @ctxt: an XML parser context
3118: *
3119: * parse a namespace prefix declaration
1.28 daniel 3120: *
3121: * [NS 1] NSDef ::= PrefixDef Eq SystemLiteral
3122: *
3123: * [NS 2] PrefixDef ::= 'xmlns' (':' NCName)?
1.68 daniel 3124: *
3125: * Returns the namespace name
1.28 daniel 3126: */
3127:
1.123 daniel 3128: xmlChar *
1.55 daniel 3129: xmlNamespaceParseNSDef(xmlParserCtxtPtr ctxt) {
1.123 daniel 3130: xmlChar *name = NULL;
1.28 daniel 3131:
1.152 daniel 3132: if ((RAW == 'x') && (NXT(1) == 'm') &&
1.40 daniel 3133: (NXT(2) == 'l') && (NXT(3) == 'n') &&
3134: (NXT(4) == 's')) {
3135: SKIP(5);
1.152 daniel 3136: if (RAW == ':') {
1.40 daniel 3137: NEXT;
1.28 daniel 3138: name = xmlNamespaceParseNCName(ctxt);
3139: }
3140: }
1.39 daniel 3141: return(name);
1.28 daniel 3142: }
3143:
1.50 daniel 3144: /**
3145: * xmlParseQuotedString:
3146: * @ctxt: an XML parser context
3147: *
1.45 daniel 3148: * [OLD] Parse and return a string between quotes or doublequotes
1.110 daniel 3149: * To be removed at next drop of binary compatibility
1.68 daniel 3150: *
3151: * Returns the string parser or NULL.
1.45 daniel 3152: */
1.123 daniel 3153: xmlChar *
1.55 daniel 3154: xmlParseQuotedString(xmlParserCtxtPtr ctxt) {
1.135 daniel 3155: xmlChar *buf = NULL;
1.152 daniel 3156: int len = 0,l;
1.140 daniel 3157: int size = XML_PARSER_BUFFER_SIZE;
1.152 daniel 3158: int c;
1.45 daniel 3159:
1.135 daniel 3160: buf = (xmlChar *) xmlMalloc(size * sizeof(xmlChar));
3161: if (buf == NULL) {
3162: fprintf(stderr, "malloc of %d byte failed\n", size);
3163: return(NULL);
3164: }
1.152 daniel 3165: if (RAW == '"') {
1.45 daniel 3166: NEXT;
1.152 daniel 3167: c = CUR_CHAR(l);
1.135 daniel 3168: while (IS_CHAR(c) && (c != '"')) {
1.152 daniel 3169: if (len + 5 >= size) {
1.135 daniel 3170: size *= 2;
3171: buf = xmlRealloc(buf, size * sizeof(xmlChar));
3172: if (buf == NULL) {
3173: fprintf(stderr, "realloc of %d byte failed\n", size);
3174: return(NULL);
3175: }
3176: }
1.152 daniel 3177: COPY_BUF(l,buf,len,c);
3178: NEXTL(l);
3179: c = CUR_CHAR(l);
1.135 daniel 3180: }
3181: if (c != '"') {
1.123 daniel 3182: ctxt->errNo = XML_ERR_STRING_NOT_CLOSED;
1.55 daniel 3183: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1.135 daniel 3184: ctxt->sax->error(ctxt->userData,
3185: "String not closed \"%.50s\"\n", buf);
1.59 daniel 3186: ctxt->wellFormed = 0;
1.180 daniel 3187: ctxt->disableSAX = 1;
1.55 daniel 3188: } else {
1.45 daniel 3189: NEXT;
3190: }
1.152 daniel 3191: } else if (RAW == '\''){
1.45 daniel 3192: NEXT;
1.135 daniel 3193: c = CUR;
3194: while (IS_CHAR(c) && (c != '\'')) {
3195: if (len + 1 >= size) {
3196: size *= 2;
3197: buf = xmlRealloc(buf, size * sizeof(xmlChar));
3198: if (buf == NULL) {
3199: fprintf(stderr, "realloc of %d byte failed\n", size);
3200: return(NULL);
3201: }
3202: }
3203: buf[len++] = c;
3204: NEXT;
3205: c = CUR;
3206: }
1.152 daniel 3207: if (RAW != '\'') {
1.123 daniel 3208: ctxt->errNo = XML_ERR_STRING_NOT_CLOSED;
1.55 daniel 3209: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1.135 daniel 3210: ctxt->sax->error(ctxt->userData,
3211: "String not closed \"%.50s\"\n", buf);
1.59 daniel 3212: ctxt->wellFormed = 0;
1.180 daniel 3213: ctxt->disableSAX = 1;
1.55 daniel 3214: } else {
1.45 daniel 3215: NEXT;
3216: }
3217: }
1.135 daniel 3218: return(buf);
1.45 daniel 3219: }
3220:
1.50 daniel 3221: /**
3222: * xmlParseNamespace:
3223: * @ctxt: an XML parser context
3224: *
1.45 daniel 3225: * [OLD] xmlParseNamespace: parse specific PI '<?namespace ...' constructs.
3226: *
3227: * This is what the older xml-name Working Draft specified, a bunch of
3228: * other stuff may still rely on it, so support is still here as
1.127 daniel 3229: * if it was declared on the root of the Tree:-(
1.110 daniel 3230: *
3231: * To be removed at next drop of binary compatibility
1.45 daniel 3232: */
3233:
1.55 daniel 3234: void
3235: xmlParseNamespace(xmlParserCtxtPtr ctxt) {
1.123 daniel 3236: xmlChar *href = NULL;
3237: xmlChar *prefix = NULL;
1.45 daniel 3238: int garbage = 0;
3239:
3240: /*
3241: * We just skipped "namespace" or "xml:namespace"
3242: */
3243: SKIP_BLANKS;
3244:
1.153 daniel 3245: while (IS_CHAR(RAW) && (RAW != '>')) {
1.45 daniel 3246: /*
3247: * We can have "ns" or "prefix" attributes
3248: * Old encoding as 'href' or 'AS' attributes is still supported
3249: */
1.152 daniel 3250: if ((RAW == 'n') && (NXT(1) == 's')) {
1.45 daniel 3251: garbage = 0;
3252: SKIP(2);
3253: SKIP_BLANKS;
3254:
1.152 daniel 3255: if (RAW != '=') continue;
1.45 daniel 3256: NEXT;
3257: SKIP_BLANKS;
3258:
3259: href = xmlParseQuotedString(ctxt);
3260: SKIP_BLANKS;
1.152 daniel 3261: } else if ((RAW == 'h') && (NXT(1) == 'r') &&
1.45 daniel 3262: (NXT(2) == 'e') && (NXT(3) == 'f')) {
3263: garbage = 0;
3264: SKIP(4);
3265: SKIP_BLANKS;
3266:
1.152 daniel 3267: if (RAW != '=') continue;
1.45 daniel 3268: NEXT;
3269: SKIP_BLANKS;
3270:
3271: href = xmlParseQuotedString(ctxt);
3272: SKIP_BLANKS;
1.152 daniel 3273: } else if ((RAW == 'p') && (NXT(1) == 'r') &&
1.45 daniel 3274: (NXT(2) == 'e') && (NXT(3) == 'f') &&
3275: (NXT(4) == 'i') && (NXT(5) == 'x')) {
3276: garbage = 0;
3277: SKIP(6);
3278: SKIP_BLANKS;
3279:
1.152 daniel 3280: if (RAW != '=') continue;
1.45 daniel 3281: NEXT;
3282: SKIP_BLANKS;
3283:
3284: prefix = xmlParseQuotedString(ctxt);
3285: SKIP_BLANKS;
1.152 daniel 3286: } else if ((RAW == 'A') && (NXT(1) == 'S')) {
1.45 daniel 3287: garbage = 0;
3288: SKIP(2);
3289: SKIP_BLANKS;
3290:
1.152 daniel 3291: if (RAW != '=') continue;
1.45 daniel 3292: NEXT;
3293: SKIP_BLANKS;
3294:
3295: prefix = xmlParseQuotedString(ctxt);
3296: SKIP_BLANKS;
1.152 daniel 3297: } else if ((RAW == '?') && (NXT(1) == '>')) {
1.45 daniel 3298: garbage = 0;
1.91 daniel 3299: NEXT;
1.45 daniel 3300: } else {
3301: /*
3302: * Found garbage when parsing the namespace
3303: */
1.122 daniel 3304: if (!garbage) {
1.55 daniel 3305: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1.122 daniel 3306: ctxt->sax->error(ctxt->userData,
3307: "xmlParseNamespace found garbage\n");
3308: }
1.123 daniel 3309: ctxt->errNo = XML_ERR_NS_DECL_ERROR;
1.59 daniel 3310: ctxt->wellFormed = 0;
1.180 daniel 3311: ctxt->disableSAX = 1;
1.45 daniel 3312: NEXT;
3313: }
3314: }
3315:
3316: MOVETO_ENDTAG(CUR_PTR);
3317: NEXT;
3318:
3319: /*
3320: * Register the DTD.
1.72 daniel 3321: if (href != NULL)
3322: if ((ctxt->sax != NULL) && (ctxt->sax->globalNamespace != NULL))
1.74 daniel 3323: ctxt->sax->globalNamespace(ctxt->userData, href, prefix);
1.45 daniel 3324: */
3325:
1.119 daniel 3326: if (prefix != NULL) xmlFree(prefix);
3327: if (href != NULL) xmlFree(href);
1.45 daniel 3328: }
3329:
1.28 daniel 3330: /************************************************************************
3331: * *
3332: * The parser itself *
3333: * Relates to http://www.w3.org/TR/REC-xml *
3334: * *
3335: ************************************************************************/
1.14 veillard 3336:
1.50 daniel 3337: /**
1.97 daniel 3338: * xmlScanName:
3339: * @ctxt: an XML parser context
3340: *
3341: * Trickery: parse an XML name but without consuming the input flow
3342: * Needed for rollback cases.
3343: *
3344: * [4] NameChar ::= Letter | Digit | '.' | '-' | '_' | ':' |
3345: * CombiningChar | Extender
3346: *
3347: * [5] Name ::= (Letter | '_' | ':') (NameChar)*
3348: *
3349: * [6] Names ::= Name (S Name)*
3350: *
3351: * Returns the Name parsed or NULL
3352: */
3353:
1.123 daniel 3354: xmlChar *
1.97 daniel 3355: xmlScanName(xmlParserCtxtPtr ctxt) {
1.123 daniel 3356: xmlChar buf[XML_MAX_NAMELEN];
1.97 daniel 3357: int len = 0;
3358:
3359: GROW;
1.152 daniel 3360: if (!IS_LETTER(RAW) && (RAW != '_') &&
3361: (RAW != ':')) {
1.97 daniel 3362: return(NULL);
3363: }
3364:
3365: while ((IS_LETTER(NXT(len))) || (IS_DIGIT(NXT(len))) ||
3366: (NXT(len) == '.') || (NXT(len) == '-') ||
3367: (NXT(len) == '_') || (NXT(len) == ':') ||
3368: (IS_COMBINING(NXT(len))) ||
3369: (IS_EXTENDER(NXT(len)))) {
3370: buf[len] = NXT(len);
3371: len++;
3372: if (len >= XML_MAX_NAMELEN) {
3373: fprintf(stderr,
3374: "xmlScanName: reached XML_MAX_NAMELEN limit\n");
3375: while ((IS_LETTER(NXT(len))) || (IS_DIGIT(NXT(len))) ||
3376: (NXT(len) == '.') || (NXT(len) == '-') ||
3377: (NXT(len) == '_') || (NXT(len) == ':') ||
3378: (IS_COMBINING(NXT(len))) ||
3379: (IS_EXTENDER(NXT(len))))
3380: len++;
3381: break;
3382: }
3383: }
3384: return(xmlStrndup(buf, len));
3385: }
3386:
3387: /**
1.50 daniel 3388: * xmlParseName:
3389: * @ctxt: an XML parser context
3390: *
3391: * parse an XML name.
1.22 daniel 3392: *
3393: * [4] NameChar ::= Letter | Digit | '.' | '-' | '_' | ':' |
3394: * CombiningChar | Extender
3395: *
3396: * [5] Name ::= (Letter | '_' | ':') (NameChar)*
3397: *
3398: * [6] Names ::= Name (S Name)*
1.68 daniel 3399: *
3400: * Returns the Name parsed or NULL
1.1 veillard 3401: */
3402:
1.123 daniel 3403: xmlChar *
1.55 daniel 3404: xmlParseName(xmlParserCtxtPtr ctxt) {
1.160 daniel 3405: xmlChar buf[XML_MAX_NAMELEN + 5];
3406: int len = 0, l;
3407: int c;
1.1 veillard 3408:
1.91 daniel 3409: GROW;
1.160 daniel 3410: c = CUR_CHAR(l);
3411: if (!IS_LETTER(c) && (c != '_') &&
3412: (c != ':')) {
1.91 daniel 3413: return(NULL);
3414: }
1.40 daniel 3415:
1.160 daniel 3416: while ((IS_LETTER(c)) || (IS_DIGIT(c)) ||
3417: (c == '.') || (c == '-') ||
3418: (c == '_') || (c == ':') ||
3419: (IS_COMBINING(c)) ||
3420: (IS_EXTENDER(c))) {
3421: COPY_BUF(l,buf,len,c);
3422: NEXTL(l);
3423: c = CUR_CHAR(l);
1.91 daniel 3424: if (len >= XML_MAX_NAMELEN) {
3425: fprintf(stderr,
3426: "xmlParseName: reached XML_MAX_NAMELEN limit\n");
1.160 daniel 3427: while ((IS_LETTER(c)) || (IS_DIGIT(c)) ||
3428: (c == '.') || (c == '-') ||
3429: (c == '_') || (c == ':') ||
3430: (IS_COMBINING(c)) ||
3431: (IS_EXTENDER(c))) {
3432: NEXTL(l);
3433: c = CUR_CHAR(l);
1.97 daniel 3434: }
1.91 daniel 3435: break;
3436: }
3437: }
3438: return(xmlStrndup(buf, len));
1.22 daniel 3439: }
3440:
1.50 daniel 3441: /**
1.135 daniel 3442: * xmlParseStringName:
3443: * @ctxt: an XML parser context
3444: * @str: a pointer to an index in the string
3445: *
3446: * parse an XML name.
3447: *
3448: * [4] NameChar ::= Letter | Digit | '.' | '-' | '_' | ':' |
3449: * CombiningChar | Extender
3450: *
3451: * [5] Name ::= (Letter | '_' | ':') (NameChar)*
3452: *
3453: * [6] Names ::= Name (S Name)*
3454: *
3455: * Returns the Name parsed or NULL. The str pointer
3456: * is updated to the current location in the string.
3457: */
3458:
3459: xmlChar *
3460: xmlParseStringName(xmlParserCtxtPtr ctxt, const xmlChar** str) {
1.176 daniel 3461: xmlChar buf[XML_MAX_NAMELEN + 5];
3462: const xmlChar *cur = *str;
3463: int len = 0, l;
3464: int c;
1.135 daniel 3465:
1.176 daniel 3466: c = CUR_SCHAR(cur, l);
3467: if (!IS_LETTER(c) && (c != '_') &&
3468: (c != ':')) {
1.135 daniel 3469: return(NULL);
3470: }
3471:
1.176 daniel 3472: while ((IS_LETTER(c)) || (IS_DIGIT(c)) ||
3473: (c == '.') || (c == '-') ||
3474: (c == '_') || (c == ':') ||
3475: (IS_COMBINING(c)) ||
3476: (IS_EXTENDER(c))) {
3477: COPY_BUF(l,buf,len,c);
3478: cur += l;
3479: c = CUR_SCHAR(cur, l);
3480: if (len >= XML_MAX_NAMELEN) {
3481: fprintf(stderr,
3482: "xmlParseName: reached XML_MAX_NAMELEN limit\n");
3483: while ((IS_LETTER(c)) || (IS_DIGIT(c)) ||
3484: (c == '.') || (c == '-') ||
3485: (c == '_') || (c == ':') ||
3486: (IS_COMBINING(c)) ||
3487: (IS_EXTENDER(c))) {
3488: cur += l;
3489: c = CUR_SCHAR(cur, l);
3490: }
3491: break;
3492: }
1.135 daniel 3493: }
1.176 daniel 3494: *str = cur;
3495: return(xmlStrndup(buf, len));
1.135 daniel 3496: }
3497:
3498: /**
1.50 daniel 3499: * xmlParseNmtoken:
3500: * @ctxt: an XML parser context
3501: *
3502: * parse an XML Nmtoken.
1.22 daniel 3503: *
3504: * [7] Nmtoken ::= (NameChar)+
3505: *
3506: * [8] Nmtokens ::= Nmtoken (S Nmtoken)*
1.68 daniel 3507: *
3508: * Returns the Nmtoken parsed or NULL
1.22 daniel 3509: */
3510:
1.123 daniel 3511: xmlChar *
1.55 daniel 3512: xmlParseNmtoken(xmlParserCtxtPtr ctxt) {
1.123 daniel 3513: xmlChar buf[XML_MAX_NAMELEN];
1.91 daniel 3514: int len = 0;
1.160 daniel 3515: int c,l;
1.22 daniel 3516:
1.91 daniel 3517: GROW;
1.160 daniel 3518: c = CUR_CHAR(l);
3519: while ((IS_LETTER(c)) || (IS_DIGIT(c)) ||
3520: (c == '.') || (c == '-') ||
3521: (c == '_') || (c == ':') ||
3522: (IS_COMBINING(c)) ||
3523: (IS_EXTENDER(c))) {
3524: COPY_BUF(l,buf,len,c);
3525: NEXTL(l);
3526: c = CUR_CHAR(l);
1.91 daniel 3527: if (len >= XML_MAX_NAMELEN) {
3528: fprintf(stderr,
3529: "xmlParseNmtoken: reached XML_MAX_NAMELEN limit\n");
1.160 daniel 3530: while ((IS_LETTER(c)) || (IS_DIGIT(c)) ||
3531: (c == '.') || (c == '-') ||
3532: (c == '_') || (c == ':') ||
3533: (IS_COMBINING(c)) ||
3534: (IS_EXTENDER(c))) {
3535: NEXTL(l);
3536: c = CUR_CHAR(l);
3537: }
1.91 daniel 3538: break;
3539: }
3540: }
1.168 daniel 3541: if (len == 0)
3542: return(NULL);
1.91 daniel 3543: return(xmlStrndup(buf, len));
1.1 veillard 3544: }
3545:
1.50 daniel 3546: /**
3547: * xmlParseEntityValue:
3548: * @ctxt: an XML parser context
1.78 daniel 3549: * @orig: if non-NULL store a copy of the original entity value
1.50 daniel 3550: *
3551: * parse a value for ENTITY decl.
1.24 daniel 3552: *
3553: * [9] EntityValue ::= '"' ([^%&"] | PEReference | Reference)* '"' |
3554: * "'" ([^%&'] | PEReference | Reference)* "'"
1.68 daniel 3555: *
1.78 daniel 3556: * Returns the EntityValue parsed with reference substitued or NULL
1.24 daniel 3557: */
3558:
1.123 daniel 3559: xmlChar *
3560: xmlParseEntityValue(xmlParserCtxtPtr ctxt, xmlChar **orig) {
1.135 daniel 3561: xmlChar *buf = NULL;
3562: int len = 0;
1.140 daniel 3563: int size = XML_PARSER_BUFFER_SIZE;
1.152 daniel 3564: int c, l;
1.135 daniel 3565: xmlChar stop;
1.123 daniel 3566: xmlChar *ret = NULL;
1.176 daniel 3567: const xmlChar *cur = NULL;
1.98 daniel 3568: xmlParserInputPtr input;
1.24 daniel 3569:
1.152 daniel 3570: if (RAW == '"') stop = '"';
3571: else if (RAW == '\'') stop = '\'';
1.135 daniel 3572: else {
3573: ctxt->errNo = XML_ERR_ENTITY_NOT_STARTED;
3574: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
3575: ctxt->sax->error(ctxt->userData, "EntityValue: \" or ' expected\n");
3576: ctxt->wellFormed = 0;
1.180 daniel 3577: ctxt->disableSAX = 1;
1.135 daniel 3578: return(NULL);
3579: }
3580: buf = (xmlChar *) xmlMalloc(size * sizeof(xmlChar));
3581: if (buf == NULL) {
3582: fprintf(stderr, "malloc of %d byte failed\n", size);
3583: return(NULL);
3584: }
1.94 daniel 3585:
1.135 daniel 3586: /*
3587: * The content of the entity definition is copied in a buffer.
3588: */
1.94 daniel 3589:
1.135 daniel 3590: ctxt->instate = XML_PARSER_ENTITY_VALUE;
3591: input = ctxt->input;
3592: GROW;
3593: NEXT;
1.152 daniel 3594: c = CUR_CHAR(l);
1.135 daniel 3595: /*
3596: * NOTE: 4.4.5 Included in Literal
3597: * When a parameter entity reference appears in a literal entity
3598: * value, ... a single or double quote character in the replacement
3599: * text is always treated as a normal data character and will not
3600: * terminate the literal.
3601: * In practice it means we stop the loop only when back at parsing
3602: * the initial entity and the quote is found
3603: */
3604: while (IS_CHAR(c) && ((c != stop) || (ctxt->input != input))) {
1.152 daniel 3605: if (len + 5 >= size) {
1.135 daniel 3606: size *= 2;
3607: buf = xmlRealloc(buf, size * sizeof(xmlChar));
3608: if (buf == NULL) {
3609: fprintf(stderr, "realloc of %d byte failed\n", size);
3610: return(NULL);
1.94 daniel 3611: }
1.79 daniel 3612: }
1.152 daniel 3613: COPY_BUF(l,buf,len,c);
3614: NEXTL(l);
1.98 daniel 3615: /*
1.135 daniel 3616: * Pop-up of finished entities.
1.98 daniel 3617: */
1.152 daniel 3618: while ((RAW == 0) && (ctxt->inputNr > 1))
1.135 daniel 3619: xmlPopInput(ctxt);
1.152 daniel 3620:
3621: c = CUR_CHAR(l);
1.135 daniel 3622: if (c == 0) {
1.94 daniel 3623: GROW;
1.152 daniel 3624: c = CUR_CHAR(l);
1.79 daniel 3625: }
1.135 daniel 3626: }
3627: buf[len] = 0;
3628:
3629: /*
1.176 daniel 3630: * Raise problem w.r.t. '&' and '%' being used in non-entities
3631: * reference constructs. Note Charref will be handled in
3632: * xmlStringDecodeEntities()
3633: */
3634: cur = buf;
3635: while (*cur != 0) {
3636: if ((*cur == '%') || ((*cur == '&') && (cur[1] != '#'))) {
3637: xmlChar *name;
3638: xmlChar tmp = *cur;
3639:
3640: cur++;
3641: name = xmlParseStringName(ctxt, &cur);
3642: if ((name == NULL) || (*cur != ';')) {
3643: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
3644: ctxt->sax->error(ctxt->userData,
3645: "EntityValue: '%c' forbidden except for entities references\n",
3646: tmp);
3647: ctxt->wellFormed = 0;
1.180 daniel 3648: ctxt->disableSAX = 1;
1.176 daniel 3649: ctxt->errNo = XML_ERR_ENTITY_CHAR_ERROR;
3650: }
3651: if ((ctxt->inSubset == 1) && (tmp == '%')) {
3652: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
3653: ctxt->sax->error(ctxt->userData,
3654: "EntityValue: PEReferences forbidden in internal subset\n",
3655: tmp);
3656: ctxt->wellFormed = 0;
1.180 daniel 3657: ctxt->disableSAX = 1;
1.176 daniel 3658: ctxt->errNo = XML_ERR_ENTITY_PE_INTERNAL;
3659: }
3660: if (name != NULL)
3661: xmlFree(name);
3662: }
3663: cur++;
3664: }
3665:
3666: /*
1.135 daniel 3667: * Then PEReference entities are substituted.
3668: */
3669: if (c != stop) {
3670: ctxt->errNo = XML_ERR_ENTITY_NOT_FINISHED;
1.55 daniel 3671: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1.135 daniel 3672: ctxt->sax->error(ctxt->userData, "EntityValue: \" expected\n");
1.59 daniel 3673: ctxt->wellFormed = 0;
1.180 daniel 3674: ctxt->disableSAX = 1;
1.170 daniel 3675: xmlFree(buf);
1.135 daniel 3676: } else {
3677: NEXT;
3678: /*
3679: * NOTE: 4.4.7 Bypassed
3680: * When a general entity reference appears in the EntityValue in
3681: * an entity declaration, it is bypassed and left as is.
1.176 daniel 3682: * so XML_SUBSTITUTE_REF is not set here.
1.135 daniel 3683: */
3684: ret = xmlStringDecodeEntities(ctxt, buf, XML_SUBSTITUTE_PEREF,
3685: 0, 0, 0);
3686: if (orig != NULL)
3687: *orig = buf;
3688: else
3689: xmlFree(buf);
1.24 daniel 3690: }
3691:
3692: return(ret);
3693: }
3694:
1.50 daniel 3695: /**
3696: * xmlParseAttValue:
3697: * @ctxt: an XML parser context
3698: *
3699: * parse a value for an attribute
1.78 daniel 3700: * Note: the parser won't do substitution of entities here, this
1.113 daniel 3701: * will be handled later in xmlStringGetNodeList
1.29 daniel 3702: *
3703: * [10] AttValue ::= '"' ([^<&"] | Reference)* '"' |
3704: * "'" ([^<&'] | Reference)* "'"
1.68 daniel 3705: *
1.129 daniel 3706: * 3.3.3 Attribute-Value Normalization:
3707: * Before the value of an attribute is passed to the application or
3708: * checked for validity, the XML processor must normalize it as follows:
3709: * - a character reference is processed by appending the referenced
3710: * character to the attribute value
3711: * - an entity reference is processed by recursively processing the
3712: * replacement text of the entity
3713: * - a whitespace character (#x20, #xD, #xA, #x9) is processed by
3714: * appending #x20 to the normalized value, except that only a single
3715: * #x20 is appended for a "#xD#xA" sequence that is part of an external
3716: * parsed entity or the literal entity value of an internal parsed entity
3717: * - other characters are processed by appending them to the normalized value
1.130 daniel 3718: * If the declared value is not CDATA, then the XML processor must further
3719: * process the normalized attribute value by discarding any leading and
3720: * trailing space (#x20) characters, and by replacing sequences of space
3721: * (#x20) characters by a single space (#x20) character.
3722: * All attributes for which no declaration has been read should be treated
3723: * by a non-validating parser as if declared CDATA.
1.129 daniel 3724: *
3725: * Returns the AttValue parsed or NULL. The value has to be freed by the caller.
1.29 daniel 3726: */
3727:
1.123 daniel 3728: xmlChar *
1.55 daniel 3729: xmlParseAttValue(xmlParserCtxtPtr ctxt) {
1.129 daniel 3730: xmlChar limit = 0;
3731: xmlChar *buffer = NULL;
3732: int buffer_size = 0;
3733: xmlChar *out = NULL;
3734:
3735: xmlChar *current = NULL;
3736: xmlEntityPtr ent;
3737: xmlChar cur;
3738:
1.29 daniel 3739:
1.91 daniel 3740: SHRINK;
1.151 daniel 3741: if (NXT(0) == '"') {
1.96 daniel 3742: ctxt->instate = XML_PARSER_ATTRIBUTE_VALUE;
1.129 daniel 3743: limit = '"';
1.40 daniel 3744: NEXT;
1.151 daniel 3745: } else if (NXT(0) == '\'') {
1.129 daniel 3746: limit = '\'';
1.96 daniel 3747: ctxt->instate = XML_PARSER_ATTRIBUTE_VALUE;
1.40 daniel 3748: NEXT;
1.29 daniel 3749: } else {
1.123 daniel 3750: ctxt->errNo = XML_ERR_ATTRIBUTE_NOT_STARTED;
1.55 daniel 3751: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1.74 daniel 3752: ctxt->sax->error(ctxt->userData, "AttValue: \" or ' expected\n");
1.59 daniel 3753: ctxt->wellFormed = 0;
1.180 daniel 3754: ctxt->disableSAX = 1;
1.129 daniel 3755: return(NULL);
1.29 daniel 3756: }
3757:
1.129 daniel 3758: /*
3759: * allocate a translation buffer.
3760: */
1.140 daniel 3761: buffer_size = XML_PARSER_BUFFER_SIZE;
1.129 daniel 3762: buffer = (xmlChar *) xmlMalloc(buffer_size * sizeof(xmlChar));
3763: if (buffer == NULL) {
3764: perror("xmlParseAttValue: malloc failed");
3765: return(NULL);
3766: }
3767: out = buffer;
3768:
3769: /*
3770: * Ok loop until we reach one of the ending char or a size limit.
3771: */
3772: cur = CUR;
1.156 daniel 3773: while (((NXT(0) != limit) && (cur != '<')) || (ctxt->token != 0)) {
1.129 daniel 3774: if (cur == 0) break;
3775: if ((cur == '&') && (NXT(1) == '#')) {
3776: int val = xmlParseCharRef(ctxt);
3777: *out++ = val;
3778: } else if (cur == '&') {
3779: ent = xmlParseEntityRef(ctxt);
3780: if ((ent != NULL) &&
3781: (ctxt->replaceEntities != 0)) {
1.185 daniel 3782: xmlChar *rep;
3783:
1.186 ! daniel 3784: if (ent->etype != XML_INTERNAL_PREDEFINED_ENTITY) {
! 3785: rep = xmlStringDecodeEntities(ctxt, ent->content,
1.185 daniel 3786: XML_SUBSTITUTE_REF, 0, 0, 0);
1.186 ! daniel 3787: if (rep != NULL) {
! 3788: current = rep;
! 3789: while (*current != 0) {
! 3790: *out++ = *current++;
! 3791: if (out - buffer > buffer_size - 10) {
! 3792: int index = out - buffer;
1.129 daniel 3793:
1.186 ! daniel 3794: growBuffer(buffer);
! 3795: out = &buffer[index];
! 3796: }
1.185 daniel 3797: }
1.186 ! daniel 3798: xmlFree(rep);
1.129 daniel 3799: }
1.186 ! daniel 3800: } else {
! 3801: if (ent->content != NULL)
! 3802: *out++ = ent->content[0];
1.129 daniel 3803: }
3804: } else if (ent != NULL) {
3805: int i = xmlStrlen(ent->name);
3806: const xmlChar *cur = ent->name;
3807:
1.186 ! daniel 3808: /*
! 3809: * This may look absurd but is needed to detect
! 3810: * entities problems
! 3811: */
! 3812: if (ent->etype != XML_INTERNAL_PREDEFINED_ENTITY) {
! 3813: xmlChar *rep;
! 3814: rep = xmlStringDecodeEntities(ctxt, ent->content,
! 3815: XML_SUBSTITUTE_REF, 0, 0, 0);
! 3816: if (rep != NULL)
! 3817: xmlFree(rep);
! 3818: }
! 3819:
! 3820: /*
! 3821: * Just output the reference
! 3822: */
1.129 daniel 3823: *out++ = '&';
3824: if (out - buffer > buffer_size - i - 10) {
3825: int index = out - buffer;
3826:
3827: growBuffer(buffer);
3828: out = &buffer[index];
3829: }
3830: for (;i > 0;i--)
3831: *out++ = *cur++;
3832: *out++ = ';';
3833: }
3834: } else {
1.156 daniel 3835: /* invalid for UTF-8 , use COPY(out); !!! */
1.129 daniel 3836: if ((cur == 0x20) || (cur == 0xD) || (cur == 0xA) || (cur == 0x9)) {
1.130 daniel 3837: *out++ = 0x20;
3838: if (out - buffer > buffer_size - 10) {
3839: int index = out - buffer;
3840:
3841: growBuffer(buffer);
3842: out = &buffer[index];
1.129 daniel 3843: }
3844: } else {
3845: *out++ = cur;
3846: if (out - buffer > buffer_size - 10) {
3847: int index = out - buffer;
3848:
3849: growBuffer(buffer);
3850: out = &buffer[index];
3851: }
3852: }
3853: NEXT;
3854: }
3855: cur = CUR;
3856: }
3857: *out++ = 0;
1.152 daniel 3858: if (RAW == '<') {
1.129 daniel 3859: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
3860: ctxt->sax->error(ctxt->userData,
3861: "Unescaped '<' not allowed in attributes values\n");
3862: ctxt->errNo = XML_ERR_LT_IN_ATTRIBUTE;
3863: ctxt->wellFormed = 0;
1.180 daniel 3864: ctxt->disableSAX = 1;
1.152 daniel 3865: } else if (RAW != limit) {
1.129 daniel 3866: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
3867: ctxt->sax->error(ctxt->userData, "AttValue: ' expected\n");
3868: ctxt->errNo = XML_ERR_ATTRIBUTE_NOT_FINISHED;
3869: ctxt->wellFormed = 0;
1.180 daniel 3870: ctxt->disableSAX = 1;
1.129 daniel 3871: } else
3872: NEXT;
3873: return(buffer);
1.29 daniel 3874: }
3875:
1.50 daniel 3876: /**
3877: * xmlParseSystemLiteral:
3878: * @ctxt: an XML parser context
3879: *
3880: * parse an XML Literal
1.21 daniel 3881: *
1.22 daniel 3882: * [11] SystemLiteral ::= ('"' [^"]* '"') | ("'" [^']* "'")
1.68 daniel 3883: *
3884: * Returns the SystemLiteral parsed or NULL
1.21 daniel 3885: */
3886:
1.123 daniel 3887: xmlChar *
1.55 daniel 3888: xmlParseSystemLiteral(xmlParserCtxtPtr ctxt) {
1.135 daniel 3889: xmlChar *buf = NULL;
3890: int len = 0;
1.140 daniel 3891: int size = XML_PARSER_BUFFER_SIZE;
1.152 daniel 3892: int cur, l;
1.135 daniel 3893: xmlChar stop;
1.168 daniel 3894: int state = ctxt->instate;
1.21 daniel 3895:
1.91 daniel 3896: SHRINK;
1.152 daniel 3897: if (RAW == '"') {
1.40 daniel 3898: NEXT;
1.135 daniel 3899: stop = '"';
1.152 daniel 3900: } else if (RAW == '\'') {
1.40 daniel 3901: NEXT;
1.135 daniel 3902: stop = '\'';
1.21 daniel 3903: } else {
1.55 daniel 3904: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1.122 daniel 3905: ctxt->sax->error(ctxt->userData,
3906: "SystemLiteral \" or ' expected\n");
1.123 daniel 3907: ctxt->errNo = XML_ERR_LITERAL_NOT_STARTED;
1.59 daniel 3908: ctxt->wellFormed = 0;
1.180 daniel 3909: ctxt->disableSAX = 1;
1.135 daniel 3910: return(NULL);
1.21 daniel 3911: }
3912:
1.135 daniel 3913: buf = (xmlChar *) xmlMalloc(size * sizeof(xmlChar));
3914: if (buf == NULL) {
3915: fprintf(stderr, "malloc of %d byte failed\n", size);
3916: return(NULL);
3917: }
1.168 daniel 3918: ctxt->instate = XML_PARSER_SYSTEM_LITERAL;
1.152 daniel 3919: cur = CUR_CHAR(l);
1.135 daniel 3920: while ((IS_CHAR(cur)) && (cur != stop)) {
1.152 daniel 3921: if (len + 5 >= size) {
1.135 daniel 3922: size *= 2;
3923: buf = xmlRealloc(buf, size * sizeof(xmlChar));
3924: if (buf == NULL) {
3925: fprintf(stderr, "realloc of %d byte failed\n", size);
1.168 daniel 3926: ctxt->instate = state;
1.135 daniel 3927: return(NULL);
3928: }
3929: }
1.152 daniel 3930: COPY_BUF(l,buf,len,cur);
3931: NEXTL(l);
3932: cur = CUR_CHAR(l);
1.135 daniel 3933: if (cur == 0) {
3934: GROW;
3935: SHRINK;
1.152 daniel 3936: cur = CUR_CHAR(l);
1.135 daniel 3937: }
3938: }
3939: buf[len] = 0;
1.168 daniel 3940: ctxt->instate = state;
1.135 daniel 3941: if (!IS_CHAR(cur)) {
3942: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
3943: ctxt->sax->error(ctxt->userData, "Unfinished SystemLiteral\n");
3944: ctxt->errNo = XML_ERR_LITERAL_NOT_FINISHED;
3945: ctxt->wellFormed = 0;
1.180 daniel 3946: ctxt->disableSAX = 1;
1.135 daniel 3947: } else {
3948: NEXT;
3949: }
3950: return(buf);
1.21 daniel 3951: }
3952:
1.50 daniel 3953: /**
3954: * xmlParsePubidLiteral:
3955: * @ctxt: an XML parser context
1.21 daniel 3956: *
1.50 daniel 3957: * parse an XML public literal
1.68 daniel 3958: *
3959: * [12] PubidLiteral ::= '"' PubidChar* '"' | "'" (PubidChar - "'")* "'"
3960: *
3961: * Returns the PubidLiteral parsed or NULL.
1.21 daniel 3962: */
3963:
1.123 daniel 3964: xmlChar *
1.55 daniel 3965: xmlParsePubidLiteral(xmlParserCtxtPtr ctxt) {
1.135 daniel 3966: xmlChar *buf = NULL;
3967: int len = 0;
1.140 daniel 3968: int size = XML_PARSER_BUFFER_SIZE;
1.135 daniel 3969: xmlChar cur;
3970: xmlChar stop;
1.125 daniel 3971:
1.91 daniel 3972: SHRINK;
1.152 daniel 3973: if (RAW == '"') {
1.40 daniel 3974: NEXT;
1.135 daniel 3975: stop = '"';
1.152 daniel 3976: } else if (RAW == '\'') {
1.40 daniel 3977: NEXT;
1.135 daniel 3978: stop = '\'';
1.21 daniel 3979: } else {
1.55 daniel 3980: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1.122 daniel 3981: ctxt->sax->error(ctxt->userData,
3982: "SystemLiteral \" or ' expected\n");
1.123 daniel 3983: ctxt->errNo = XML_ERR_LITERAL_NOT_STARTED;
1.59 daniel 3984: ctxt->wellFormed = 0;
1.180 daniel 3985: ctxt->disableSAX = 1;
1.135 daniel 3986: return(NULL);
3987: }
3988: buf = (xmlChar *) xmlMalloc(size * sizeof(xmlChar));
3989: if (buf == NULL) {
3990: fprintf(stderr, "malloc of %d byte failed\n", size);
3991: return(NULL);
3992: }
3993: cur = CUR;
3994: while ((IS_PUBIDCHAR(cur)) && (cur != stop)) {
3995: if (len + 1 >= size) {
3996: size *= 2;
3997: buf = xmlRealloc(buf, size * sizeof(xmlChar));
3998: if (buf == NULL) {
3999: fprintf(stderr, "realloc of %d byte failed\n", size);
4000: return(NULL);
4001: }
4002: }
4003: buf[len++] = cur;
4004: NEXT;
4005: cur = CUR;
4006: if (cur == 0) {
4007: GROW;
4008: SHRINK;
4009: cur = CUR;
4010: }
4011: }
4012: buf[len] = 0;
4013: if (cur != stop) {
4014: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
4015: ctxt->sax->error(ctxt->userData, "Unfinished PubidLiteral\n");
4016: ctxt->errNo = XML_ERR_LITERAL_NOT_FINISHED;
4017: ctxt->wellFormed = 0;
1.180 daniel 4018: ctxt->disableSAX = 1;
1.135 daniel 4019: } else {
4020: NEXT;
1.21 daniel 4021: }
1.135 daniel 4022: return(buf);
1.21 daniel 4023: }
4024:
1.50 daniel 4025: /**
4026: * xmlParseCharData:
4027: * @ctxt: an XML parser context
4028: * @cdata: int indicating whether we are within a CDATA section
4029: *
4030: * parse a CharData section.
4031: * if we are within a CDATA section ']]>' marks an end of section.
1.27 daniel 4032: *
1.151 daniel 4033: * The right angle bracket (>) may be represented using the string ">",
4034: * and must, for compatibility, be escaped using ">" or a character
4035: * reference when it appears in the string "]]>" in content, when that
4036: * string is not marking the end of a CDATA section.
4037: *
1.27 daniel 4038: * [14] CharData ::= [^<&]* - ([^<&]* ']]>' [^<&]*)
4039: */
4040:
1.55 daniel 4041: void
4042: xmlParseCharData(xmlParserCtxtPtr ctxt, int cdata) {
1.152 daniel 4043: xmlChar buf[XML_PARSER_BIG_BUFFER_SIZE + 5];
1.91 daniel 4044: int nbchar = 0;
1.152 daniel 4045: int cur, l;
1.27 daniel 4046:
1.91 daniel 4047: SHRINK;
1.152 daniel 4048: cur = CUR_CHAR(l);
1.160 daniel 4049: while ((IS_CHAR(cur)) && ((cur != '<') || (ctxt->token == '<')) &&
1.153 daniel 4050: ((cur != '&') || (ctxt->token == '&'))) {
1.97 daniel 4051: if ((cur == ']') && (NXT(1) == ']') &&
1.59 daniel 4052: (NXT(2) == '>')) {
4053: if (cdata) break;
4054: else {
4055: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1.151 daniel 4056: ctxt->sax->error(ctxt->userData,
1.59 daniel 4057: "Sequence ']]>' not allowed in content\n");
1.123 daniel 4058: ctxt->errNo = XML_ERR_MISPLACED_CDATA_END;
1.151 daniel 4059: /* Should this be relaxed ??? I see a "must here */
4060: ctxt->wellFormed = 0;
1.180 daniel 4061: ctxt->disableSAX = 1;
1.59 daniel 4062: }
4063: }
1.152 daniel 4064: COPY_BUF(l,buf,nbchar,cur);
4065: if (nbchar >= XML_PARSER_BIG_BUFFER_SIZE) {
1.91 daniel 4066: /*
4067: * Ok the segment is to be consumed as chars.
4068: */
1.171 daniel 4069: if ((ctxt->sax != NULL) && (!ctxt->disableSAX)) {
1.91 daniel 4070: if (areBlanks(ctxt, buf, nbchar)) {
4071: if (ctxt->sax->ignorableWhitespace != NULL)
4072: ctxt->sax->ignorableWhitespace(ctxt->userData,
4073: buf, nbchar);
4074: } else {
4075: if (ctxt->sax->characters != NULL)
4076: ctxt->sax->characters(ctxt->userData, buf, nbchar);
4077: }
4078: }
4079: nbchar = 0;
4080: }
1.152 daniel 4081: NEXTL(l);
4082: cur = CUR_CHAR(l);
1.27 daniel 4083: }
1.91 daniel 4084: if (nbchar != 0) {
4085: /*
4086: * Ok the segment is to be consumed as chars.
4087: */
1.171 daniel 4088: if ((ctxt->sax != NULL) && (!ctxt->disableSAX)) {
1.91 daniel 4089: if (areBlanks(ctxt, buf, nbchar)) {
4090: if (ctxt->sax->ignorableWhitespace != NULL)
4091: ctxt->sax->ignorableWhitespace(ctxt->userData, buf, nbchar);
4092: } else {
4093: if (ctxt->sax->characters != NULL)
4094: ctxt->sax->characters(ctxt->userData, buf, nbchar);
4095: }
4096: }
1.45 daniel 4097: }
1.27 daniel 4098: }
4099:
1.50 daniel 4100: /**
4101: * xmlParseExternalID:
4102: * @ctxt: an XML parser context
1.123 daniel 4103: * @publicID: a xmlChar** receiving PubidLiteral
1.67 daniel 4104: * @strict: indicate whether we should restrict parsing to only
4105: * production [75], see NOTE below
1.50 daniel 4106: *
1.67 daniel 4107: * Parse an External ID or a Public ID
4108: *
4109: * NOTE: Productions [75] and [83] interract badly since [75] can generate
4110: * 'PUBLIC' S PubidLiteral S SystemLiteral
1.22 daniel 4111: *
4112: * [75] ExternalID ::= 'SYSTEM' S SystemLiteral
4113: * | 'PUBLIC' S PubidLiteral S SystemLiteral
1.67 daniel 4114: *
4115: * [83] PublicID ::= 'PUBLIC' S PubidLiteral
4116: *
1.68 daniel 4117: * Returns the function returns SystemLiteral and in the second
1.67 daniel 4118: * case publicID receives PubidLiteral, is strict is off
4119: * it is possible to return NULL and have publicID set.
1.22 daniel 4120: */
4121:
1.123 daniel 4122: xmlChar *
4123: xmlParseExternalID(xmlParserCtxtPtr ctxt, xmlChar **publicID, int strict) {
4124: xmlChar *URI = NULL;
1.22 daniel 4125:
1.91 daniel 4126: SHRINK;
1.152 daniel 4127: if ((RAW == 'S') && (NXT(1) == 'Y') &&
1.40 daniel 4128: (NXT(2) == 'S') && (NXT(3) == 'T') &&
4129: (NXT(4) == 'E') && (NXT(5) == 'M')) {
4130: SKIP(6);
1.59 daniel 4131: if (!IS_BLANK(CUR)) {
4132: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1.74 daniel 4133: ctxt->sax->error(ctxt->userData,
1.59 daniel 4134: "Space required after 'SYSTEM'\n");
1.123 daniel 4135: ctxt->errNo = XML_ERR_SPACE_REQUIRED;
1.59 daniel 4136: ctxt->wellFormed = 0;
1.180 daniel 4137: ctxt->disableSAX = 1;
1.59 daniel 4138: }
1.42 daniel 4139: SKIP_BLANKS;
1.39 daniel 4140: URI = xmlParseSystemLiteral(ctxt);
1.59 daniel 4141: if (URI == NULL) {
1.55 daniel 4142: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1.74 daniel 4143: ctxt->sax->error(ctxt->userData,
1.39 daniel 4144: "xmlParseExternalID: SYSTEM, no URI\n");
1.123 daniel 4145: ctxt->errNo = XML_ERR_URI_REQUIRED;
1.59 daniel 4146: ctxt->wellFormed = 0;
1.180 daniel 4147: ctxt->disableSAX = 1;
1.59 daniel 4148: }
1.152 daniel 4149: } else if ((RAW == 'P') && (NXT(1) == 'U') &&
1.40 daniel 4150: (NXT(2) == 'B') && (NXT(3) == 'L') &&
4151: (NXT(4) == 'I') && (NXT(5) == 'C')) {
4152: SKIP(6);
1.59 daniel 4153: if (!IS_BLANK(CUR)) {
4154: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1.74 daniel 4155: ctxt->sax->error(ctxt->userData,
1.59 daniel 4156: "Space required after 'PUBLIC'\n");
1.123 daniel 4157: ctxt->errNo = XML_ERR_SPACE_REQUIRED;
1.59 daniel 4158: ctxt->wellFormed = 0;
1.180 daniel 4159: ctxt->disableSAX = 1;
1.59 daniel 4160: }
1.42 daniel 4161: SKIP_BLANKS;
1.39 daniel 4162: *publicID = xmlParsePubidLiteral(ctxt);
1.59 daniel 4163: if (*publicID == NULL) {
1.55 daniel 4164: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1.74 daniel 4165: ctxt->sax->error(ctxt->userData,
1.39 daniel 4166: "xmlParseExternalID: PUBLIC, no Public Identifier\n");
1.123 daniel 4167: ctxt->errNo = XML_ERR_PUBID_REQUIRED;
1.59 daniel 4168: ctxt->wellFormed = 0;
1.180 daniel 4169: ctxt->disableSAX = 1;
1.59 daniel 4170: }
1.67 daniel 4171: if (strict) {
4172: /*
4173: * We don't handle [83] so "S SystemLiteral" is required.
4174: */
4175: if (!IS_BLANK(CUR)) {
4176: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1.74 daniel 4177: ctxt->sax->error(ctxt->userData,
1.67 daniel 4178: "Space required after the Public Identifier\n");
1.123 daniel 4179: ctxt->errNo = XML_ERR_SPACE_REQUIRED;
1.67 daniel 4180: ctxt->wellFormed = 0;
1.180 daniel 4181: ctxt->disableSAX = 1;
1.67 daniel 4182: }
4183: } else {
4184: /*
4185: * We handle [83] so we return immediately, if
4186: * "S SystemLiteral" is not detected. From a purely parsing
4187: * point of view that's a nice mess.
4188: */
1.135 daniel 4189: const xmlChar *ptr;
4190: GROW;
4191:
4192: ptr = CUR_PTR;
1.67 daniel 4193: if (!IS_BLANK(*ptr)) return(NULL);
4194:
4195: while (IS_BLANK(*ptr)) ptr++;
1.173 daniel 4196: if ((*ptr != '\'') && (*ptr != '"')) return(NULL);
1.59 daniel 4197: }
1.42 daniel 4198: SKIP_BLANKS;
1.39 daniel 4199: URI = xmlParseSystemLiteral(ctxt);
1.59 daniel 4200: if (URI == NULL) {
1.55 daniel 4201: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1.74 daniel 4202: ctxt->sax->error(ctxt->userData,
1.39 daniel 4203: "xmlParseExternalID: PUBLIC, no URI\n");
1.123 daniel 4204: ctxt->errNo = XML_ERR_URI_REQUIRED;
1.59 daniel 4205: ctxt->wellFormed = 0;
1.180 daniel 4206: ctxt->disableSAX = 1;
1.59 daniel 4207: }
1.22 daniel 4208: }
1.39 daniel 4209: return(URI);
1.22 daniel 4210: }
4211:
1.50 daniel 4212: /**
4213: * xmlParseComment:
1.69 daniel 4214: * @ctxt: an XML parser context
1.50 daniel 4215: *
1.3 veillard 4216: * Skip an XML (SGML) comment <!-- .... -->
1.38 daniel 4217: * The spec says that "For compatibility, the string "--" (double-hyphen)
4218: * must not occur within comments. "
1.22 daniel 4219: *
4220: * [15] Comment ::= '<!--' ((Char - '-') | ('-' (Char - '-')))* '-->'
1.3 veillard 4221: */
1.72 daniel 4222: void
1.114 daniel 4223: xmlParseComment(xmlParserCtxtPtr ctxt) {
1.135 daniel 4224: xmlChar *buf = NULL;
4225: int len = 0;
1.140 daniel 4226: int size = XML_PARSER_BUFFER_SIZE;
1.152 daniel 4227: int q, ql;
4228: int r, rl;
4229: int cur, l;
1.140 daniel 4230: xmlParserInputState state;
1.3 veillard 4231:
4232: /*
1.22 daniel 4233: * Check that there is a comment right here.
1.3 veillard 4234: */
1.152 daniel 4235: if ((RAW != '<') || (NXT(1) != '!') ||
1.72 daniel 4236: (NXT(2) != '-') || (NXT(3) != '-')) return;
1.3 veillard 4237:
1.140 daniel 4238: state = ctxt->instate;
1.97 daniel 4239: ctxt->instate = XML_PARSER_COMMENT;
1.91 daniel 4240: SHRINK;
1.40 daniel 4241: SKIP(4);
1.135 daniel 4242: buf = (xmlChar *) xmlMalloc(size * sizeof(xmlChar));
4243: if (buf == NULL) {
4244: fprintf(stderr, "malloc of %d byte failed\n", size);
1.140 daniel 4245: ctxt->instate = state;
1.135 daniel 4246: return;
4247: }
1.152 daniel 4248: q = CUR_CHAR(ql);
4249: NEXTL(ql);
4250: r = CUR_CHAR(rl);
4251: NEXTL(rl);
4252: cur = CUR_CHAR(l);
1.135 daniel 4253: while (IS_CHAR(cur) &&
4254: ((cur != '>') ||
4255: (r != '-') || (q != '-'))) {
4256: if ((r == '-') && (q == '-')) {
1.55 daniel 4257: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1.74 daniel 4258: ctxt->sax->error(ctxt->userData,
1.38 daniel 4259: "Comment must not contain '--' (double-hyphen)`\n");
1.123 daniel 4260: ctxt->errNo = XML_ERR_HYPHEN_IN_COMMENT;
1.59 daniel 4261: ctxt->wellFormed = 0;
1.180 daniel 4262: ctxt->disableSAX = 1;
1.59 daniel 4263: }
1.152 daniel 4264: if (len + 5 >= size) {
1.135 daniel 4265: size *= 2;
4266: buf = xmlRealloc(buf, size * sizeof(xmlChar));
4267: if (buf == NULL) {
4268: fprintf(stderr, "realloc of %d byte failed\n", size);
1.140 daniel 4269: ctxt->instate = state;
1.135 daniel 4270: return;
4271: }
4272: }
1.152 daniel 4273: COPY_BUF(ql,buf,len,q);
1.135 daniel 4274: q = r;
1.152 daniel 4275: ql = rl;
1.135 daniel 4276: r = cur;
1.152 daniel 4277: rl = l;
4278: NEXTL(l);
4279: cur = CUR_CHAR(l);
1.135 daniel 4280: if (cur == 0) {
4281: SHRINK;
4282: GROW;
1.152 daniel 4283: cur = CUR_CHAR(l);
1.135 daniel 4284: }
1.3 veillard 4285: }
1.135 daniel 4286: buf[len] = 0;
4287: if (!IS_CHAR(cur)) {
1.55 daniel 4288: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1.122 daniel 4289: ctxt->sax->error(ctxt->userData,
1.135 daniel 4290: "Comment not terminated \n<!--%.50s\n", buf);
1.123 daniel 4291: ctxt->errNo = XML_ERR_COMMENT_NOT_FINISHED;
1.59 daniel 4292: ctxt->wellFormed = 0;
1.180 daniel 4293: ctxt->disableSAX = 1;
1.178 daniel 4294: xmlFree(buf);
1.3 veillard 4295: } else {
1.40 daniel 4296: NEXT;
1.171 daniel 4297: if ((ctxt->sax != NULL) && (ctxt->sax->comment != NULL) &&
4298: (!ctxt->disableSAX))
1.135 daniel 4299: ctxt->sax->comment(ctxt->userData, buf);
4300: xmlFree(buf);
1.3 veillard 4301: }
1.140 daniel 4302: ctxt->instate = state;
1.3 veillard 4303: }
4304:
1.50 daniel 4305: /**
4306: * xmlParsePITarget:
4307: * @ctxt: an XML parser context
4308: *
4309: * parse the name of a PI
1.22 daniel 4310: *
4311: * [17] PITarget ::= Name - (('X' | 'x') ('M' | 'm') ('L' | 'l'))
1.68 daniel 4312: *
4313: * Returns the PITarget name or NULL
1.22 daniel 4314: */
4315:
1.123 daniel 4316: xmlChar *
1.55 daniel 4317: xmlParsePITarget(xmlParserCtxtPtr ctxt) {
1.123 daniel 4318: xmlChar *name;
1.22 daniel 4319:
4320: name = xmlParseName(ctxt);
1.139 daniel 4321: if ((name != NULL) &&
1.22 daniel 4322: ((name[0] == 'x') || (name[0] == 'X')) &&
1.31 daniel 4323: ((name[1] == 'm') || (name[1] == 'M')) &&
4324: ((name[2] == 'l') || (name[2] == 'L'))) {
1.139 daniel 4325: int i;
1.177 daniel 4326: if ((name[0] == 'x') && (name[1] == 'm') &&
4327: (name[2] == 'l') && (name[3] == 0)) {
1.151 daniel 4328: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
4329: ctxt->sax->error(ctxt->userData,
4330: "XML declaration allowed only at the start of the document\n");
4331: ctxt->errNo = XML_ERR_RESERVED_XML_NAME;
4332: ctxt->wellFormed = 0;
1.180 daniel 4333: ctxt->disableSAX = 1;
1.151 daniel 4334: return(name);
4335: } else if (name[3] == 0) {
4336: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
4337: ctxt->sax->error(ctxt->userData, "Invalid PI name\n");
4338: ctxt->errNo = XML_ERR_RESERVED_XML_NAME;
4339: ctxt->wellFormed = 0;
1.180 daniel 4340: ctxt->disableSAX = 1;
1.151 daniel 4341: return(name);
4342: }
1.139 daniel 4343: for (i = 0;;i++) {
4344: if (xmlW3CPIs[i] == NULL) break;
4345: if (!xmlStrcmp(name, (const xmlChar *)xmlW3CPIs[i]))
4346: return(name);
4347: }
4348: if ((ctxt->sax != NULL) && (ctxt->sax->warning != NULL)) {
4349: ctxt->sax->warning(ctxt->userData,
1.122 daniel 4350: "xmlParsePItarget: invalid name prefix 'xml'\n");
1.123 daniel 4351: ctxt->errNo = XML_ERR_RESERVED_XML_NAME;
1.122 daniel 4352: }
1.22 daniel 4353: }
4354: return(name);
4355: }
4356:
1.50 daniel 4357: /**
4358: * xmlParsePI:
4359: * @ctxt: an XML parser context
4360: *
4361: * parse an XML Processing Instruction.
1.22 daniel 4362: *
4363: * [16] PI ::= '<?' PITarget (S (Char* - (Char* '?>' Char*)))? '?>'
1.68 daniel 4364: *
1.69 daniel 4365: * The processing is transfered to SAX once parsed.
1.3 veillard 4366: */
4367:
1.55 daniel 4368: void
4369: xmlParsePI(xmlParserCtxtPtr ctxt) {
1.135 daniel 4370: xmlChar *buf = NULL;
4371: int len = 0;
1.140 daniel 4372: int size = XML_PARSER_BUFFER_SIZE;
1.152 daniel 4373: int cur, l;
1.123 daniel 4374: xmlChar *target;
1.140 daniel 4375: xmlParserInputState state;
1.22 daniel 4376:
1.152 daniel 4377: if ((RAW == '<') && (NXT(1) == '?')) {
1.140 daniel 4378: state = ctxt->instate;
4379: ctxt->instate = XML_PARSER_PI;
1.3 veillard 4380: /*
4381: * this is a Processing Instruction.
4382: */
1.40 daniel 4383: SKIP(2);
1.91 daniel 4384: SHRINK;
1.3 veillard 4385:
4386: /*
1.22 daniel 4387: * Parse the target name and check for special support like
4388: * namespace.
1.3 veillard 4389: */
1.22 daniel 4390: target = xmlParsePITarget(ctxt);
4391: if (target != NULL) {
1.156 daniel 4392: if ((RAW == '?') && (NXT(1) == '>')) {
4393: SKIP(2);
4394:
4395: /*
4396: * SAX: PI detected.
4397: */
1.171 daniel 4398: if ((ctxt->sax) && (!ctxt->disableSAX) &&
1.156 daniel 4399: (ctxt->sax->processingInstruction != NULL))
4400: ctxt->sax->processingInstruction(ctxt->userData,
4401: target, NULL);
4402: ctxt->instate = state;
1.170 daniel 4403: xmlFree(target);
1.156 daniel 4404: return;
4405: }
1.135 daniel 4406: buf = (xmlChar *) xmlMalloc(size * sizeof(xmlChar));
4407: if (buf == NULL) {
4408: fprintf(stderr, "malloc of %d byte failed\n", size);
1.140 daniel 4409: ctxt->instate = state;
1.135 daniel 4410: return;
4411: }
4412: cur = CUR;
4413: if (!IS_BLANK(cur)) {
1.114 daniel 4414: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
4415: ctxt->sax->error(ctxt->userData,
4416: "xmlParsePI: PI %s space expected\n", target);
1.123 daniel 4417: ctxt->errNo = XML_ERR_SPACE_REQUIRED;
1.114 daniel 4418: ctxt->wellFormed = 0;
1.180 daniel 4419: ctxt->disableSAX = 1;
1.114 daniel 4420: }
4421: SKIP_BLANKS;
1.152 daniel 4422: cur = CUR_CHAR(l);
1.135 daniel 4423: while (IS_CHAR(cur) &&
4424: ((cur != '?') || (NXT(1) != '>'))) {
1.152 daniel 4425: if (len + 5 >= size) {
1.135 daniel 4426: size *= 2;
4427: buf = xmlRealloc(buf, size * sizeof(xmlChar));
4428: if (buf == NULL) {
4429: fprintf(stderr, "realloc of %d byte failed\n", size);
1.140 daniel 4430: ctxt->instate = state;
1.135 daniel 4431: return;
4432: }
4433: }
1.152 daniel 4434: COPY_BUF(l,buf,len,cur);
4435: NEXTL(l);
4436: cur = CUR_CHAR(l);
1.135 daniel 4437: if (cur == 0) {
4438: SHRINK;
4439: GROW;
1.152 daniel 4440: cur = CUR_CHAR(l);
1.135 daniel 4441: }
4442: }
4443: buf[len] = 0;
1.152 daniel 4444: if (cur != '?') {
1.72 daniel 4445: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1.74 daniel 4446: ctxt->sax->error(ctxt->userData,
1.72 daniel 4447: "xmlParsePI: PI %s never end ...\n", target);
1.123 daniel 4448: ctxt->errNo = XML_ERR_PI_NOT_FINISHED;
1.72 daniel 4449: ctxt->wellFormed = 0;
1.180 daniel 4450: ctxt->disableSAX = 1;
1.22 daniel 4451: } else {
1.72 daniel 4452: SKIP(2);
1.44 daniel 4453:
1.72 daniel 4454: /*
4455: * SAX: PI detected.
4456: */
1.171 daniel 4457: if ((ctxt->sax) && (!ctxt->disableSAX) &&
1.72 daniel 4458: (ctxt->sax->processingInstruction != NULL))
1.99 daniel 4459: ctxt->sax->processingInstruction(ctxt->userData,
1.135 daniel 4460: target, buf);
1.22 daniel 4461: }
1.135 daniel 4462: xmlFree(buf);
1.119 daniel 4463: xmlFree(target);
1.3 veillard 4464: } else {
1.55 daniel 4465: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1.99 daniel 4466: ctxt->sax->error(ctxt->userData,
4467: "xmlParsePI : no target name\n");
1.123 daniel 4468: ctxt->errNo = XML_ERR_PI_NOT_STARTED;
1.59 daniel 4469: ctxt->wellFormed = 0;
1.180 daniel 4470: ctxt->disableSAX = 1;
1.22 daniel 4471: }
1.140 daniel 4472: ctxt->instate = state;
1.22 daniel 4473: }
4474: }
4475:
1.50 daniel 4476: /**
4477: * xmlParseNotationDecl:
4478: * @ctxt: an XML parser context
4479: *
4480: * parse a notation declaration
1.22 daniel 4481: *
4482: * [82] NotationDecl ::= '<!NOTATION' S Name S (ExternalID | PublicID) S? '>'
4483: *
4484: * Hence there is actually 3 choices:
4485: * 'PUBLIC' S PubidLiteral
4486: * 'PUBLIC' S PubidLiteral S SystemLiteral
4487: * and 'SYSTEM' S SystemLiteral
1.50 daniel 4488: *
1.67 daniel 4489: * See the NOTE on xmlParseExternalID().
1.22 daniel 4490: */
4491:
1.55 daniel 4492: void
4493: xmlParseNotationDecl(xmlParserCtxtPtr ctxt) {
1.123 daniel 4494: xmlChar *name;
4495: xmlChar *Pubid;
4496: xmlChar *Systemid;
1.22 daniel 4497:
1.152 daniel 4498: if ((RAW == '<') && (NXT(1) == '!') &&
1.40 daniel 4499: (NXT(2) == 'N') && (NXT(3) == 'O') &&
4500: (NXT(4) == 'T') && (NXT(5) == 'A') &&
4501: (NXT(6) == 'T') && (NXT(7) == 'I') &&
1.67 daniel 4502: (NXT(8) == 'O') && (NXT(9) == 'N')) {
1.91 daniel 4503: SHRINK;
1.40 daniel 4504: SKIP(10);
1.67 daniel 4505: if (!IS_BLANK(CUR)) {
4506: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1.122 daniel 4507: ctxt->sax->error(ctxt->userData,
4508: "Space required after '<!NOTATION'\n");
1.123 daniel 4509: ctxt->errNo = XML_ERR_SPACE_REQUIRED;
1.67 daniel 4510: ctxt->wellFormed = 0;
1.180 daniel 4511: ctxt->disableSAX = 1;
1.67 daniel 4512: return;
4513: }
4514: SKIP_BLANKS;
1.22 daniel 4515:
4516: name = xmlParseName(ctxt);
4517: if (name == NULL) {
1.55 daniel 4518: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1.122 daniel 4519: ctxt->sax->error(ctxt->userData,
4520: "NOTATION: Name expected here\n");
1.123 daniel 4521: ctxt->errNo = XML_ERR_NOTATION_NOT_STARTED;
1.67 daniel 4522: ctxt->wellFormed = 0;
1.180 daniel 4523: ctxt->disableSAX = 1;
1.67 daniel 4524: return;
4525: }
4526: if (!IS_BLANK(CUR)) {
4527: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1.74 daniel 4528: ctxt->sax->error(ctxt->userData,
1.67 daniel 4529: "Space required after the NOTATION name'\n");
1.123 daniel 4530: ctxt->errNo = XML_ERR_SPACE_REQUIRED;
1.59 daniel 4531: ctxt->wellFormed = 0;
1.180 daniel 4532: ctxt->disableSAX = 1;
1.22 daniel 4533: return;
4534: }
1.42 daniel 4535: SKIP_BLANKS;
1.67 daniel 4536:
1.22 daniel 4537: /*
1.67 daniel 4538: * Parse the IDs.
1.22 daniel 4539: */
1.160 daniel 4540: Systemid = xmlParseExternalID(ctxt, &Pubid, 0);
1.67 daniel 4541: SKIP_BLANKS;
4542:
1.152 daniel 4543: if (RAW == '>') {
1.40 daniel 4544: NEXT;
1.171 daniel 4545: if ((ctxt->sax != NULL) && (!ctxt->disableSAX) &&
4546: (ctxt->sax->notationDecl != NULL))
1.74 daniel 4547: ctxt->sax->notationDecl(ctxt->userData, name, Pubid, Systemid);
1.67 daniel 4548: } else {
4549: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1.74 daniel 4550: ctxt->sax->error(ctxt->userData,
1.67 daniel 4551: "'>' required to close NOTATION declaration\n");
1.123 daniel 4552: ctxt->errNo = XML_ERR_NOTATION_NOT_FINISHED;
1.67 daniel 4553: ctxt->wellFormed = 0;
1.180 daniel 4554: ctxt->disableSAX = 1;
1.67 daniel 4555: }
1.119 daniel 4556: xmlFree(name);
4557: if (Systemid != NULL) xmlFree(Systemid);
4558: if (Pubid != NULL) xmlFree(Pubid);
1.22 daniel 4559: }
4560: }
4561:
1.50 daniel 4562: /**
4563: * xmlParseEntityDecl:
4564: * @ctxt: an XML parser context
4565: *
4566: * parse <!ENTITY declarations
1.22 daniel 4567: *
4568: * [70] EntityDecl ::= GEDecl | PEDecl
4569: *
4570: * [71] GEDecl ::= '<!ENTITY' S Name S EntityDef S? '>'
4571: *
4572: * [72] PEDecl ::= '<!ENTITY' S '%' S Name S PEDef S? '>'
4573: *
4574: * [73] EntityDef ::= EntityValue | (ExternalID NDataDecl?)
4575: *
4576: * [74] PEDef ::= EntityValue | ExternalID
1.24 daniel 4577: *
4578: * [76] NDataDecl ::= S 'NDATA' S Name
1.99 daniel 4579: *
4580: * [ VC: Notation Declared ]
1.116 daniel 4581: * The Name must match the declared name of a notation.
1.22 daniel 4582: */
4583:
1.55 daniel 4584: void
4585: xmlParseEntityDecl(xmlParserCtxtPtr ctxt) {
1.123 daniel 4586: xmlChar *name = NULL;
4587: xmlChar *value = NULL;
4588: xmlChar *URI = NULL, *literal = NULL;
4589: xmlChar *ndata = NULL;
1.39 daniel 4590: int isParameter = 0;
1.123 daniel 4591: xmlChar *orig = NULL;
1.22 daniel 4592:
1.94 daniel 4593: GROW;
1.152 daniel 4594: if ((RAW == '<') && (NXT(1) == '!') &&
1.40 daniel 4595: (NXT(2) == 'E') && (NXT(3) == 'N') &&
4596: (NXT(4) == 'T') && (NXT(5) == 'I') &&
1.59 daniel 4597: (NXT(6) == 'T') && (NXT(7) == 'Y')) {
1.96 daniel 4598: ctxt->instate = XML_PARSER_ENTITY_DECL;
1.91 daniel 4599: SHRINK;
1.40 daniel 4600: SKIP(8);
1.59 daniel 4601: if (!IS_BLANK(CUR)) {
4602: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1.122 daniel 4603: ctxt->sax->error(ctxt->userData,
4604: "Space required after '<!ENTITY'\n");
1.123 daniel 4605: ctxt->errNo = XML_ERR_SPACE_REQUIRED;
1.59 daniel 4606: ctxt->wellFormed = 0;
1.180 daniel 4607: ctxt->disableSAX = 1;
1.59 daniel 4608: }
4609: SKIP_BLANKS;
1.40 daniel 4610:
1.152 daniel 4611: if (RAW == '%') {
1.40 daniel 4612: NEXT;
1.59 daniel 4613: if (!IS_BLANK(CUR)) {
4614: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1.122 daniel 4615: ctxt->sax->error(ctxt->userData,
4616: "Space required after '%'\n");
1.123 daniel 4617: ctxt->errNo = XML_ERR_SPACE_REQUIRED;
1.59 daniel 4618: ctxt->wellFormed = 0;
1.180 daniel 4619: ctxt->disableSAX = 1;
1.59 daniel 4620: }
1.42 daniel 4621: SKIP_BLANKS;
1.39 daniel 4622: isParameter = 1;
1.22 daniel 4623: }
4624:
4625: name = xmlParseName(ctxt);
1.24 daniel 4626: if (name == NULL) {
1.55 daniel 4627: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1.74 daniel 4628: ctxt->sax->error(ctxt->userData, "xmlParseEntityDecl: no name\n");
1.123 daniel 4629: ctxt->errNo = XML_ERR_NAME_REQUIRED;
1.59 daniel 4630: ctxt->wellFormed = 0;
1.180 daniel 4631: ctxt->disableSAX = 1;
1.24 daniel 4632: return;
4633: }
1.59 daniel 4634: if (!IS_BLANK(CUR)) {
4635: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1.74 daniel 4636: ctxt->sax->error(ctxt->userData,
1.59 daniel 4637: "Space required after the entity name\n");
1.123 daniel 4638: ctxt->errNo = XML_ERR_SPACE_REQUIRED;
1.59 daniel 4639: ctxt->wellFormed = 0;
1.180 daniel 4640: ctxt->disableSAX = 1;
1.59 daniel 4641: }
1.42 daniel 4642: SKIP_BLANKS;
1.24 daniel 4643:
1.22 daniel 4644: /*
1.68 daniel 4645: * handle the various case of definitions...
1.22 daniel 4646: */
1.39 daniel 4647: if (isParameter) {
1.152 daniel 4648: if ((RAW == '"') || (RAW == '\''))
1.78 daniel 4649: value = xmlParseEntityValue(ctxt, &orig);
1.39 daniel 4650: if (value) {
1.171 daniel 4651: if ((ctxt->sax != NULL) &&
4652: (!ctxt->disableSAX) && (ctxt->sax->entityDecl != NULL))
1.74 daniel 4653: ctxt->sax->entityDecl(ctxt->userData, name,
1.39 daniel 4654: XML_INTERNAL_PARAMETER_ENTITY,
4655: NULL, NULL, value);
4656: }
1.24 daniel 4657: else {
1.67 daniel 4658: URI = xmlParseExternalID(ctxt, &literal, 1);
1.169 daniel 4659: if ((URI == NULL) && (literal == NULL)) {
4660: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
4661: ctxt->sax->error(ctxt->userData,
4662: "Entity value required\n");
4663: ctxt->errNo = XML_ERR_VALUE_REQUIRED;
4664: ctxt->wellFormed = 0;
1.180 daniel 4665: ctxt->disableSAX = 1;
1.169 daniel 4666: }
1.39 daniel 4667: if (URI) {
1.171 daniel 4668: if ((ctxt->sax != NULL) &&
4669: (!ctxt->disableSAX) && (ctxt->sax->entityDecl != NULL))
1.74 daniel 4670: ctxt->sax->entityDecl(ctxt->userData, name,
1.39 daniel 4671: XML_EXTERNAL_PARAMETER_ENTITY,
4672: literal, URI, NULL);
4673: }
1.24 daniel 4674: }
4675: } else {
1.152 daniel 4676: if ((RAW == '"') || (RAW == '\'')) {
1.78 daniel 4677: value = xmlParseEntityValue(ctxt, &orig);
1.171 daniel 4678: if ((ctxt->sax != NULL) &&
4679: (!ctxt->disableSAX) && (ctxt->sax->entityDecl != NULL))
1.74 daniel 4680: ctxt->sax->entityDecl(ctxt->userData, name,
1.39 daniel 4681: XML_INTERNAL_GENERAL_ENTITY,
4682: NULL, NULL, value);
4683: } else {
1.67 daniel 4684: URI = xmlParseExternalID(ctxt, &literal, 1);
1.169 daniel 4685: if ((URI == NULL) && (literal == NULL)) {
4686: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
4687: ctxt->sax->error(ctxt->userData,
4688: "Entity value required\n");
4689: ctxt->errNo = XML_ERR_VALUE_REQUIRED;
4690: ctxt->wellFormed = 0;
1.180 daniel 4691: ctxt->disableSAX = 1;
1.169 daniel 4692: }
1.152 daniel 4693: if ((RAW != '>') && (!IS_BLANK(CUR))) {
1.59 daniel 4694: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1.74 daniel 4695: ctxt->sax->error(ctxt->userData,
1.59 daniel 4696: "Space required before 'NDATA'\n");
1.123 daniel 4697: ctxt->errNo = XML_ERR_SPACE_REQUIRED;
1.59 daniel 4698: ctxt->wellFormed = 0;
1.180 daniel 4699: ctxt->disableSAX = 1;
1.59 daniel 4700: }
1.42 daniel 4701: SKIP_BLANKS;
1.152 daniel 4702: if ((RAW == 'N') && (NXT(1) == 'D') &&
1.40 daniel 4703: (NXT(2) == 'A') && (NXT(3) == 'T') &&
4704: (NXT(4) == 'A')) {
4705: SKIP(5);
1.59 daniel 4706: if (!IS_BLANK(CUR)) {
4707: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1.74 daniel 4708: ctxt->sax->error(ctxt->userData,
1.59 daniel 4709: "Space required after 'NDATA'\n");
1.123 daniel 4710: ctxt->errNo = XML_ERR_SPACE_REQUIRED;
1.59 daniel 4711: ctxt->wellFormed = 0;
1.180 daniel 4712: ctxt->disableSAX = 1;
1.59 daniel 4713: }
1.42 daniel 4714: SKIP_BLANKS;
1.24 daniel 4715: ndata = xmlParseName(ctxt);
1.171 daniel 4716: if ((ctxt->sax != NULL) && (!ctxt->disableSAX) &&
1.116 daniel 4717: (ctxt->sax->unparsedEntityDecl != NULL))
4718: ctxt->sax->unparsedEntityDecl(ctxt->userData, name,
1.39 daniel 4719: literal, URI, ndata);
4720: } else {
1.171 daniel 4721: if ((ctxt->sax != NULL) &&
4722: (!ctxt->disableSAX) && (ctxt->sax->entityDecl != NULL))
1.74 daniel 4723: ctxt->sax->entityDecl(ctxt->userData, name,
1.39 daniel 4724: XML_EXTERNAL_GENERAL_PARSED_ENTITY,
4725: literal, URI, NULL);
1.24 daniel 4726: }
4727: }
4728: }
1.42 daniel 4729: SKIP_BLANKS;
1.152 daniel 4730: if (RAW != '>') {
1.55 daniel 4731: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1.74 daniel 4732: ctxt->sax->error(ctxt->userData,
1.31 daniel 4733: "xmlParseEntityDecl: entity %s not terminated\n", name);
1.123 daniel 4734: ctxt->errNo = XML_ERR_ENTITY_NOT_FINISHED;
1.59 daniel 4735: ctxt->wellFormed = 0;
1.180 daniel 4736: ctxt->disableSAX = 1;
1.24 daniel 4737: } else
1.40 daniel 4738: NEXT;
1.78 daniel 4739: if (orig != NULL) {
4740: /*
1.98 daniel 4741: * Ugly mechanism to save the raw entity value.
1.78 daniel 4742: */
4743: xmlEntityPtr cur = NULL;
4744:
1.98 daniel 4745: if (isParameter) {
4746: if ((ctxt->sax != NULL) &&
4747: (ctxt->sax->getParameterEntity != NULL))
1.120 daniel 4748: cur = ctxt->sax->getParameterEntity(ctxt->userData, name);
1.98 daniel 4749: } else {
4750: if ((ctxt->sax != NULL) &&
4751: (ctxt->sax->getEntity != NULL))
1.120 daniel 4752: cur = ctxt->sax->getEntity(ctxt->userData, name);
1.98 daniel 4753: }
4754: if (cur != NULL) {
4755: if (cur->orig != NULL)
1.119 daniel 4756: xmlFree(orig);
1.98 daniel 4757: else
4758: cur->orig = orig;
4759: } else
1.119 daniel 4760: xmlFree(orig);
1.78 daniel 4761: }
1.119 daniel 4762: if (name != NULL) xmlFree(name);
4763: if (value != NULL) xmlFree(value);
4764: if (URI != NULL) xmlFree(URI);
4765: if (literal != NULL) xmlFree(literal);
4766: if (ndata != NULL) xmlFree(ndata);
1.22 daniel 4767: }
4768: }
4769:
1.50 daniel 4770: /**
1.59 daniel 4771: * xmlParseDefaultDecl:
4772: * @ctxt: an XML parser context
4773: * @value: Receive a possible fixed default value for the attribute
4774: *
4775: * Parse an attribute default declaration
4776: *
4777: * [60] DefaultDecl ::= '#REQUIRED' | '#IMPLIED' | (('#FIXED' S)? AttValue)
4778: *
1.99 daniel 4779: * [ VC: Required Attribute ]
1.117 daniel 4780: * if the default declaration is the keyword #REQUIRED, then the
4781: * attribute must be specified for all elements of the type in the
4782: * attribute-list declaration.
1.99 daniel 4783: *
4784: * [ VC: Attribute Default Legal ]
1.102 daniel 4785: * The declared default value must meet the lexical constraints of
4786: * the declared attribute type c.f. xmlValidateAttributeDecl()
1.99 daniel 4787: *
4788: * [ VC: Fixed Attribute Default ]
1.117 daniel 4789: * if an attribute has a default value declared with the #FIXED
4790: * keyword, instances of that attribute must match the default value.
1.99 daniel 4791: *
4792: * [ WFC: No < in Attribute Values ]
4793: * handled in xmlParseAttValue()
4794: *
1.59 daniel 4795: * returns: XML_ATTRIBUTE_NONE, XML_ATTRIBUTE_REQUIRED, XML_ATTRIBUTE_IMPLIED
4796: * or XML_ATTRIBUTE_FIXED.
4797: */
4798:
4799: int
1.123 daniel 4800: xmlParseDefaultDecl(xmlParserCtxtPtr ctxt, xmlChar **value) {
1.59 daniel 4801: int val;
1.123 daniel 4802: xmlChar *ret;
1.59 daniel 4803:
4804: *value = NULL;
1.152 daniel 4805: if ((RAW == '#') && (NXT(1) == 'R') &&
1.59 daniel 4806: (NXT(2) == 'E') && (NXT(3) == 'Q') &&
4807: (NXT(4) == 'U') && (NXT(5) == 'I') &&
4808: (NXT(6) == 'R') && (NXT(7) == 'E') &&
4809: (NXT(8) == 'D')) {
4810: SKIP(9);
4811: return(XML_ATTRIBUTE_REQUIRED);
4812: }
1.152 daniel 4813: if ((RAW == '#') && (NXT(1) == 'I') &&
1.59 daniel 4814: (NXT(2) == 'M') && (NXT(3) == 'P') &&
4815: (NXT(4) == 'L') && (NXT(5) == 'I') &&
4816: (NXT(6) == 'E') && (NXT(7) == 'D')) {
4817: SKIP(8);
4818: return(XML_ATTRIBUTE_IMPLIED);
4819: }
4820: val = XML_ATTRIBUTE_NONE;
1.152 daniel 4821: if ((RAW == '#') && (NXT(1) == 'F') &&
1.59 daniel 4822: (NXT(2) == 'I') && (NXT(3) == 'X') &&
4823: (NXT(4) == 'E') && (NXT(5) == 'D')) {
4824: SKIP(6);
4825: val = XML_ATTRIBUTE_FIXED;
4826: if (!IS_BLANK(CUR)) {
4827: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1.122 daniel 4828: ctxt->sax->error(ctxt->userData,
4829: "Space required after '#FIXED'\n");
1.123 daniel 4830: ctxt->errNo = XML_ERR_SPACE_REQUIRED;
1.59 daniel 4831: ctxt->wellFormed = 0;
1.180 daniel 4832: ctxt->disableSAX = 1;
1.59 daniel 4833: }
4834: SKIP_BLANKS;
4835: }
4836: ret = xmlParseAttValue(ctxt);
1.96 daniel 4837: ctxt->instate = XML_PARSER_DTD;
1.59 daniel 4838: if (ret == NULL) {
4839: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1.74 daniel 4840: ctxt->sax->error(ctxt->userData,
1.59 daniel 4841: "Attribute default value declaration error\n");
4842: ctxt->wellFormed = 0;
1.180 daniel 4843: ctxt->disableSAX = 1;
1.59 daniel 4844: } else
4845: *value = ret;
4846: return(val);
4847: }
4848:
4849: /**
1.66 daniel 4850: * xmlParseNotationType:
4851: * @ctxt: an XML parser context
4852: *
4853: * parse an Notation attribute type.
4854: *
1.99 daniel 4855: * Note: the leading 'NOTATION' S part has already being parsed...
4856: *
1.66 daniel 4857: * [58] NotationType ::= 'NOTATION' S '(' S? Name (S? '|' S? Name)* S? ')'
4858: *
1.99 daniel 4859: * [ VC: Notation Attributes ]
1.117 daniel 4860: * Values of this type must match one of the notation names included
1.99 daniel 4861: * in the declaration; all notation names in the declaration must be declared.
1.66 daniel 4862: *
4863: * Returns: the notation attribute tree built while parsing
4864: */
4865:
4866: xmlEnumerationPtr
4867: xmlParseNotationType(xmlParserCtxtPtr ctxt) {
1.123 daniel 4868: xmlChar *name;
1.66 daniel 4869: xmlEnumerationPtr ret = NULL, last = NULL, cur;
4870:
1.152 daniel 4871: if (RAW != '(') {
1.66 daniel 4872: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1.122 daniel 4873: ctxt->sax->error(ctxt->userData,
4874: "'(' required to start 'NOTATION'\n");
1.123 daniel 4875: ctxt->errNo = XML_ERR_NOTATION_NOT_STARTED;
1.66 daniel 4876: ctxt->wellFormed = 0;
1.180 daniel 4877: ctxt->disableSAX = 1;
1.66 daniel 4878: return(NULL);
4879: }
1.91 daniel 4880: SHRINK;
1.66 daniel 4881: do {
4882: NEXT;
4883: SKIP_BLANKS;
4884: name = xmlParseName(ctxt);
4885: if (name == NULL) {
4886: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1.74 daniel 4887: ctxt->sax->error(ctxt->userData,
1.66 daniel 4888: "Name expected in NOTATION declaration\n");
1.123 daniel 4889: ctxt->errNo = XML_ERR_NAME_REQUIRED;
1.66 daniel 4890: ctxt->wellFormed = 0;
1.180 daniel 4891: ctxt->disableSAX = 1;
1.66 daniel 4892: return(ret);
4893: }
4894: cur = xmlCreateEnumeration(name);
1.119 daniel 4895: xmlFree(name);
1.66 daniel 4896: if (cur == NULL) return(ret);
4897: if (last == NULL) ret = last = cur;
4898: else {
4899: last->next = cur;
4900: last = cur;
4901: }
4902: SKIP_BLANKS;
1.152 daniel 4903: } while (RAW == '|');
4904: if (RAW != ')') {
1.66 daniel 4905: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1.74 daniel 4906: ctxt->sax->error(ctxt->userData,
1.66 daniel 4907: "')' required to finish NOTATION declaration\n");
1.123 daniel 4908: ctxt->errNo = XML_ERR_NOTATION_NOT_FINISHED;
1.66 daniel 4909: ctxt->wellFormed = 0;
1.180 daniel 4910: ctxt->disableSAX = 1;
1.170 daniel 4911: if ((last != NULL) && (last != ret))
4912: xmlFreeEnumeration(last);
1.66 daniel 4913: return(ret);
4914: }
4915: NEXT;
4916: return(ret);
4917: }
4918:
4919: /**
4920: * xmlParseEnumerationType:
4921: * @ctxt: an XML parser context
4922: *
4923: * parse an Enumeration attribute type.
4924: *
4925: * [59] Enumeration ::= '(' S? Nmtoken (S? '|' S? Nmtoken)* S? ')'
4926: *
1.99 daniel 4927: * [ VC: Enumeration ]
1.117 daniel 4928: * Values of this type must match one of the Nmtoken tokens in
1.99 daniel 4929: * the declaration
4930: *
1.66 daniel 4931: * Returns: the enumeration attribute tree built while parsing
4932: */
4933:
4934: xmlEnumerationPtr
4935: xmlParseEnumerationType(xmlParserCtxtPtr ctxt) {
1.123 daniel 4936: xmlChar *name;
1.66 daniel 4937: xmlEnumerationPtr ret = NULL, last = NULL, cur;
4938:
1.152 daniel 4939: if (RAW != '(') {
1.66 daniel 4940: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1.74 daniel 4941: ctxt->sax->error(ctxt->userData,
1.66 daniel 4942: "'(' required to start ATTLIST enumeration\n");
1.123 daniel 4943: ctxt->errNo = XML_ERR_ATTLIST_NOT_STARTED;
1.66 daniel 4944: ctxt->wellFormed = 0;
1.180 daniel 4945: ctxt->disableSAX = 1;
1.66 daniel 4946: return(NULL);
4947: }
1.91 daniel 4948: SHRINK;
1.66 daniel 4949: do {
4950: NEXT;
4951: SKIP_BLANKS;
4952: name = xmlParseNmtoken(ctxt);
4953: if (name == NULL) {
4954: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1.74 daniel 4955: ctxt->sax->error(ctxt->userData,
1.66 daniel 4956: "NmToken expected in ATTLIST enumeration\n");
1.123 daniel 4957: ctxt->errNo = XML_ERR_NMTOKEN_REQUIRED;
1.66 daniel 4958: ctxt->wellFormed = 0;
1.180 daniel 4959: ctxt->disableSAX = 1;
1.66 daniel 4960: return(ret);
4961: }
4962: cur = xmlCreateEnumeration(name);
1.119 daniel 4963: xmlFree(name);
1.66 daniel 4964: if (cur == NULL) return(ret);
4965: if (last == NULL) ret = last = cur;
4966: else {
4967: last->next = cur;
4968: last = cur;
4969: }
4970: SKIP_BLANKS;
1.152 daniel 4971: } while (RAW == '|');
4972: if (RAW != ')') {
1.66 daniel 4973: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1.74 daniel 4974: ctxt->sax->error(ctxt->userData,
1.66 daniel 4975: "')' required to finish ATTLIST enumeration\n");
1.123 daniel 4976: ctxt->errNo = XML_ERR_ATTLIST_NOT_FINISHED;
1.66 daniel 4977: ctxt->wellFormed = 0;
1.180 daniel 4978: ctxt->disableSAX = 1;
1.66 daniel 4979: return(ret);
4980: }
4981: NEXT;
4982: return(ret);
4983: }
4984:
4985: /**
1.50 daniel 4986: * xmlParseEnumeratedType:
4987: * @ctxt: an XML parser context
1.66 daniel 4988: * @tree: the enumeration tree built while parsing
1.50 daniel 4989: *
1.66 daniel 4990: * parse an Enumerated attribute type.
1.22 daniel 4991: *
4992: * [57] EnumeratedType ::= NotationType | Enumeration
4993: *
4994: * [58] NotationType ::= 'NOTATION' S '(' S? Name (S? '|' S? Name)* S? ')'
4995: *
1.50 daniel 4996: *
1.66 daniel 4997: * Returns: XML_ATTRIBUTE_ENUMERATION or XML_ATTRIBUTE_NOTATION
1.22 daniel 4998: */
4999:
1.66 daniel 5000: int
5001: xmlParseEnumeratedType(xmlParserCtxtPtr ctxt, xmlEnumerationPtr *tree) {
1.152 daniel 5002: if ((RAW == 'N') && (NXT(1) == 'O') &&
1.66 daniel 5003: (NXT(2) == 'T') && (NXT(3) == 'A') &&
5004: (NXT(4) == 'T') && (NXT(5) == 'I') &&
5005: (NXT(6) == 'O') && (NXT(7) == 'N')) {
5006: SKIP(8);
5007: if (!IS_BLANK(CUR)) {
5008: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1.122 daniel 5009: ctxt->sax->error(ctxt->userData,
5010: "Space required after 'NOTATION'\n");
1.123 daniel 5011: ctxt->errNo = XML_ERR_SPACE_REQUIRED;
1.66 daniel 5012: ctxt->wellFormed = 0;
1.180 daniel 5013: ctxt->disableSAX = 1;
1.66 daniel 5014: return(0);
5015: }
5016: SKIP_BLANKS;
5017: *tree = xmlParseNotationType(ctxt);
5018: if (*tree == NULL) return(0);
5019: return(XML_ATTRIBUTE_NOTATION);
5020: }
5021: *tree = xmlParseEnumerationType(ctxt);
5022: if (*tree == NULL) return(0);
5023: return(XML_ATTRIBUTE_ENUMERATION);
1.22 daniel 5024: }
5025:
1.50 daniel 5026: /**
5027: * xmlParseAttributeType:
5028: * @ctxt: an XML parser context
1.66 daniel 5029: * @tree: the enumeration tree built while parsing
1.50 daniel 5030: *
1.59 daniel 5031: * parse the Attribute list def for an element
1.22 daniel 5032: *
5033: * [54] AttType ::= StringType | TokenizedType | EnumeratedType
5034: *
5035: * [55] StringType ::= 'CDATA'
5036: *
5037: * [56] TokenizedType ::= 'ID' | 'IDREF' | 'IDREFS' | 'ENTITY' |
5038: * 'ENTITIES' | 'NMTOKEN' | 'NMTOKENS'
1.50 daniel 5039: *
1.102 daniel 5040: * Validity constraints for attribute values syntax are checked in
5041: * xmlValidateAttributeValue()
5042: *
1.99 daniel 5043: * [ VC: ID ]
1.117 daniel 5044: * Values of type ID must match the Name production. A name must not
1.99 daniel 5045: * appear more than once in an XML document as a value of this type;
5046: * i.e., ID values must uniquely identify the elements which bear them.
5047: *
5048: * [ VC: One ID per Element Type ]
1.117 daniel 5049: * No element type may have more than one ID attribute specified.
1.99 daniel 5050: *
5051: * [ VC: ID Attribute Default ]
1.117 daniel 5052: * An ID attribute must have a declared default of #IMPLIED or #REQUIRED.
1.99 daniel 5053: *
5054: * [ VC: IDREF ]
1.102 daniel 5055: * Values of type IDREF must match the Name production, and values
1.140 daniel 5056: * of type IDREFS must match Names; each IDREF Name must match the value
1.117 daniel 5057: * of an ID attribute on some element in the XML document; i.e. IDREF
1.99 daniel 5058: * values must match the value of some ID attribute.
5059: *
5060: * [ VC: Entity Name ]
1.102 daniel 5061: * Values of type ENTITY must match the Name production, values
1.140 daniel 5062: * of type ENTITIES must match Names; each Entity Name must match the
1.117 daniel 5063: * name of an unparsed entity declared in the DTD.
1.99 daniel 5064: *
5065: * [ VC: Name Token ]
1.102 daniel 5066: * Values of type NMTOKEN must match the Nmtoken production; values
1.99 daniel 5067: * of type NMTOKENS must match Nmtokens.
5068: *
1.69 daniel 5069: * Returns the attribute type
1.22 daniel 5070: */
1.59 daniel 5071: int
1.66 daniel 5072: xmlParseAttributeType(xmlParserCtxtPtr ctxt, xmlEnumerationPtr *tree) {
1.91 daniel 5073: SHRINK;
1.152 daniel 5074: if ((RAW == 'C') && (NXT(1) == 'D') &&
1.40 daniel 5075: (NXT(2) == 'A') && (NXT(3) == 'T') &&
5076: (NXT(4) == 'A')) {
5077: SKIP(5);
1.66 daniel 5078: return(XML_ATTRIBUTE_CDATA);
1.152 daniel 5079: } else if ((RAW == 'I') && (NXT(1) == 'D') &&
1.40 daniel 5080: (NXT(2) == 'R') && (NXT(3) == 'E') &&
1.97 daniel 5081: (NXT(4) == 'F') && (NXT(5) == 'S')) {
5082: SKIP(6);
5083: return(XML_ATTRIBUTE_IDREFS);
1.152 daniel 5084: } else if ((RAW == 'I') && (NXT(1) == 'D') &&
1.97 daniel 5085: (NXT(2) == 'R') && (NXT(3) == 'E') &&
1.40 daniel 5086: (NXT(4) == 'F')) {
5087: SKIP(5);
1.59 daniel 5088: return(XML_ATTRIBUTE_IDREF);
1.152 daniel 5089: } else if ((RAW == 'I') && (NXT(1) == 'D')) {
1.66 daniel 5090: SKIP(2);
5091: return(XML_ATTRIBUTE_ID);
1.152 daniel 5092: } else if ((RAW == 'E') && (NXT(1) == 'N') &&
1.40 daniel 5093: (NXT(2) == 'T') && (NXT(3) == 'I') &&
5094: (NXT(4) == 'T') && (NXT(5) == 'Y')) {
5095: SKIP(6);
1.59 daniel 5096: return(XML_ATTRIBUTE_ENTITY);
1.152 daniel 5097: } else if ((RAW == 'E') && (NXT(1) == 'N') &&
1.40 daniel 5098: (NXT(2) == 'T') && (NXT(3) == 'I') &&
5099: (NXT(4) == 'T') && (NXT(5) == 'I') &&
5100: (NXT(6) == 'E') && (NXT(7) == 'S')) {
5101: SKIP(8);
1.59 daniel 5102: return(XML_ATTRIBUTE_ENTITIES);
1.152 daniel 5103: } else if ((RAW == 'N') && (NXT(1) == 'M') &&
1.40 daniel 5104: (NXT(2) == 'T') && (NXT(3) == 'O') &&
5105: (NXT(4) == 'K') && (NXT(5) == 'E') &&
1.66 daniel 5106: (NXT(6) == 'N') && (NXT(7) == 'S')) {
5107: SKIP(8);
5108: return(XML_ATTRIBUTE_NMTOKENS);
1.152 daniel 5109: } else if ((RAW == 'N') && (NXT(1) == 'M') &&
1.66 daniel 5110: (NXT(2) == 'T') && (NXT(3) == 'O') &&
5111: (NXT(4) == 'K') && (NXT(5) == 'E') &&
1.40 daniel 5112: (NXT(6) == 'N')) {
5113: SKIP(7);
1.59 daniel 5114: return(XML_ATTRIBUTE_NMTOKEN);
1.22 daniel 5115: }
1.66 daniel 5116: return(xmlParseEnumeratedType(ctxt, tree));
1.22 daniel 5117: }
5118:
1.50 daniel 5119: /**
5120: * xmlParseAttributeListDecl:
5121: * @ctxt: an XML parser context
5122: *
5123: * : parse the Attribute list def for an element
1.22 daniel 5124: *
5125: * [52] AttlistDecl ::= '<!ATTLIST' S Name AttDef* S? '>'
5126: *
5127: * [53] AttDef ::= S Name S AttType S DefaultDecl
1.50 daniel 5128: *
1.22 daniel 5129: */
1.55 daniel 5130: void
5131: xmlParseAttributeListDecl(xmlParserCtxtPtr ctxt) {
1.123 daniel 5132: xmlChar *elemName;
5133: xmlChar *attrName;
1.103 daniel 5134: xmlEnumerationPtr tree;
1.22 daniel 5135:
1.152 daniel 5136: if ((RAW == '<') && (NXT(1) == '!') &&
1.40 daniel 5137: (NXT(2) == 'A') && (NXT(3) == 'T') &&
5138: (NXT(4) == 'T') && (NXT(5) == 'L') &&
5139: (NXT(6) == 'I') && (NXT(7) == 'S') &&
1.59 daniel 5140: (NXT(8) == 'T')) {
1.40 daniel 5141: SKIP(9);
1.59 daniel 5142: if (!IS_BLANK(CUR)) {
5143: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1.122 daniel 5144: ctxt->sax->error(ctxt->userData,
5145: "Space required after '<!ATTLIST'\n");
1.123 daniel 5146: ctxt->errNo = XML_ERR_SPACE_REQUIRED;
1.59 daniel 5147: ctxt->wellFormed = 0;
1.180 daniel 5148: ctxt->disableSAX = 1;
1.59 daniel 5149: }
1.42 daniel 5150: SKIP_BLANKS;
1.59 daniel 5151: elemName = xmlParseName(ctxt);
5152: if (elemName == NULL) {
1.55 daniel 5153: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1.122 daniel 5154: ctxt->sax->error(ctxt->userData,
5155: "ATTLIST: no name for Element\n");
1.123 daniel 5156: ctxt->errNo = XML_ERR_NAME_REQUIRED;
1.59 daniel 5157: ctxt->wellFormed = 0;
1.180 daniel 5158: ctxt->disableSAX = 1;
1.22 daniel 5159: return;
5160: }
1.42 daniel 5161: SKIP_BLANKS;
1.152 daniel 5162: while (RAW != '>') {
1.123 daniel 5163: const xmlChar *check = CUR_PTR;
1.59 daniel 5164: int type;
5165: int def;
1.123 daniel 5166: xmlChar *defaultValue = NULL;
1.59 daniel 5167:
1.103 daniel 5168: tree = NULL;
1.59 daniel 5169: attrName = xmlParseName(ctxt);
5170: if (attrName == NULL) {
5171: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1.122 daniel 5172: ctxt->sax->error(ctxt->userData,
5173: "ATTLIST: no name for Attribute\n");
1.123 daniel 5174: ctxt->errNo = XML_ERR_NAME_REQUIRED;
1.59 daniel 5175: ctxt->wellFormed = 0;
1.180 daniel 5176: ctxt->disableSAX = 1;
1.59 daniel 5177: break;
5178: }
1.97 daniel 5179: GROW;
1.59 daniel 5180: if (!IS_BLANK(CUR)) {
5181: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1.74 daniel 5182: ctxt->sax->error(ctxt->userData,
1.59 daniel 5183: "Space required after the attribute name\n");
1.123 daniel 5184: ctxt->errNo = XML_ERR_SPACE_REQUIRED;
1.59 daniel 5185: ctxt->wellFormed = 0;
1.180 daniel 5186: ctxt->disableSAX = 1;
1.170 daniel 5187: if (attrName != NULL)
5188: xmlFree(attrName);
5189: if (defaultValue != NULL)
5190: xmlFree(defaultValue);
1.59 daniel 5191: break;
5192: }
5193: SKIP_BLANKS;
5194:
1.66 daniel 5195: type = xmlParseAttributeType(ctxt, &tree);
1.170 daniel 5196: if (type <= 0) {
5197: if (attrName != NULL)
5198: xmlFree(attrName);
5199: if (defaultValue != NULL)
5200: xmlFree(defaultValue);
5201: break;
5202: }
1.22 daniel 5203:
1.97 daniel 5204: GROW;
1.59 daniel 5205: if (!IS_BLANK(CUR)) {
5206: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1.74 daniel 5207: ctxt->sax->error(ctxt->userData,
1.59 daniel 5208: "Space required after the attribute type\n");
1.123 daniel 5209: ctxt->errNo = XML_ERR_SPACE_REQUIRED;
1.59 daniel 5210: ctxt->wellFormed = 0;
1.180 daniel 5211: ctxt->disableSAX = 1;
1.170 daniel 5212: if (attrName != NULL)
5213: xmlFree(attrName);
5214: if (defaultValue != NULL)
5215: xmlFree(defaultValue);
5216: if (tree != NULL)
5217: xmlFreeEnumeration(tree);
1.59 daniel 5218: break;
5219: }
1.42 daniel 5220: SKIP_BLANKS;
1.59 daniel 5221:
5222: def = xmlParseDefaultDecl(ctxt, &defaultValue);
1.170 daniel 5223: if (def <= 0) {
5224: if (attrName != NULL)
5225: xmlFree(attrName);
5226: if (defaultValue != NULL)
5227: xmlFree(defaultValue);
5228: if (tree != NULL)
5229: xmlFreeEnumeration(tree);
5230: break;
5231: }
1.59 daniel 5232:
1.97 daniel 5233: GROW;
1.152 daniel 5234: if (RAW != '>') {
1.59 daniel 5235: if (!IS_BLANK(CUR)) {
5236: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1.74 daniel 5237: ctxt->sax->error(ctxt->userData,
1.59 daniel 5238: "Space required after the attribute default value\n");
1.123 daniel 5239: ctxt->errNo = XML_ERR_SPACE_REQUIRED;
1.59 daniel 5240: ctxt->wellFormed = 0;
1.180 daniel 5241: ctxt->disableSAX = 1;
1.170 daniel 5242: if (attrName != NULL)
5243: xmlFree(attrName);
5244: if (defaultValue != NULL)
5245: xmlFree(defaultValue);
5246: if (tree != NULL)
5247: xmlFreeEnumeration(tree);
1.59 daniel 5248: break;
5249: }
5250: SKIP_BLANKS;
5251: }
1.40 daniel 5252: if (check == CUR_PTR) {
1.55 daniel 5253: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1.74 daniel 5254: ctxt->sax->error(ctxt->userData,
1.59 daniel 5255: "xmlParseAttributeListDecl: detected internal error\n");
1.123 daniel 5256: ctxt->errNo = XML_ERR_INTERNAL_ERROR;
1.170 daniel 5257: if (attrName != NULL)
5258: xmlFree(attrName);
5259: if (defaultValue != NULL)
5260: xmlFree(defaultValue);
5261: if (tree != NULL)
5262: xmlFreeEnumeration(tree);
1.22 daniel 5263: break;
5264: }
1.171 daniel 5265: if ((ctxt->sax != NULL) && (!ctxt->disableSAX) &&
5266: (ctxt->sax->attributeDecl != NULL))
1.74 daniel 5267: ctxt->sax->attributeDecl(ctxt->userData, elemName, attrName,
1.66 daniel 5268: type, def, defaultValue, tree);
1.59 daniel 5269: if (attrName != NULL)
1.119 daniel 5270: xmlFree(attrName);
1.59 daniel 5271: if (defaultValue != NULL)
1.119 daniel 5272: xmlFree(defaultValue);
1.97 daniel 5273: GROW;
1.22 daniel 5274: }
1.152 daniel 5275: if (RAW == '>')
1.40 daniel 5276: NEXT;
1.22 daniel 5277:
1.119 daniel 5278: xmlFree(elemName);
1.22 daniel 5279: }
5280: }
5281:
1.50 daniel 5282: /**
1.61 daniel 5283: * xmlParseElementMixedContentDecl:
5284: * @ctxt: an XML parser context
5285: *
5286: * parse the declaration for a Mixed Element content
5287: * The leading '(' and spaces have been skipped in xmlParseElementContentDecl
5288: *
5289: * [51] Mixed ::= '(' S? '#PCDATA' (S? '|' S? Name)* S? ')*' |
5290: * '(' S? '#PCDATA' S? ')'
5291: *
1.99 daniel 5292: * [ VC: Proper Group/PE Nesting ] applies to [51] too (see [49])
5293: *
5294: * [ VC: No Duplicate Types ]
1.117 daniel 5295: * The same name must not appear more than once in a single
5296: * mixed-content declaration.
1.99 daniel 5297: *
1.61 daniel 5298: * returns: the list of the xmlElementContentPtr describing the element choices
5299: */
5300: xmlElementContentPtr
1.62 daniel 5301: xmlParseElementMixedContentDecl(xmlParserCtxtPtr ctxt) {
1.64 daniel 5302: xmlElementContentPtr ret = NULL, cur = NULL, n;
1.123 daniel 5303: xmlChar *elem = NULL;
1.61 daniel 5304:
1.97 daniel 5305: GROW;
1.152 daniel 5306: if ((RAW == '#') && (NXT(1) == 'P') &&
1.61 daniel 5307: (NXT(2) == 'C') && (NXT(3) == 'D') &&
5308: (NXT(4) == 'A') && (NXT(5) == 'T') &&
5309: (NXT(6) == 'A')) {
5310: SKIP(7);
5311: SKIP_BLANKS;
1.91 daniel 5312: SHRINK;
1.152 daniel 5313: if (RAW == ')') {
1.63 daniel 5314: NEXT;
5315: ret = xmlNewElementContent(NULL, XML_ELEMENT_CONTENT_PCDATA);
1.152 daniel 5316: if (RAW == '*') {
1.136 daniel 5317: ret->ocur = XML_ELEMENT_CONTENT_MULT;
5318: NEXT;
5319: }
1.63 daniel 5320: return(ret);
5321: }
1.152 daniel 5322: if ((RAW == '(') || (RAW == '|')) {
1.61 daniel 5323: ret = cur = xmlNewElementContent(NULL, XML_ELEMENT_CONTENT_PCDATA);
5324: if (ret == NULL) return(NULL);
1.99 daniel 5325: }
1.152 daniel 5326: while (RAW == '|') {
1.64 daniel 5327: NEXT;
1.61 daniel 5328: if (elem == NULL) {
5329: ret = xmlNewElementContent(NULL, XML_ELEMENT_CONTENT_OR);
5330: if (ret == NULL) return(NULL);
5331: ret->c1 = cur;
1.64 daniel 5332: cur = ret;
1.61 daniel 5333: } else {
1.64 daniel 5334: n = xmlNewElementContent(NULL, XML_ELEMENT_CONTENT_OR);
5335: if (n == NULL) return(NULL);
5336: n->c1 = xmlNewElementContent(elem, XML_ELEMENT_CONTENT_ELEMENT);
5337: cur->c2 = n;
5338: cur = n;
1.119 daniel 5339: xmlFree(elem);
1.61 daniel 5340: }
5341: SKIP_BLANKS;
5342: elem = xmlParseName(ctxt);
5343: if (elem == NULL) {
5344: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1.74 daniel 5345: ctxt->sax->error(ctxt->userData,
1.61 daniel 5346: "xmlParseElementMixedContentDecl : Name expected\n");
1.123 daniel 5347: ctxt->errNo = XML_ERR_NAME_REQUIRED;
1.61 daniel 5348: ctxt->wellFormed = 0;
1.180 daniel 5349: ctxt->disableSAX = 1;
1.61 daniel 5350: xmlFreeElementContent(cur);
5351: return(NULL);
5352: }
5353: SKIP_BLANKS;
1.97 daniel 5354: GROW;
1.61 daniel 5355: }
1.152 daniel 5356: if ((RAW == ')') && (NXT(1) == '*')) {
1.66 daniel 5357: if (elem != NULL) {
1.61 daniel 5358: cur->c2 = xmlNewElementContent(elem,
5359: XML_ELEMENT_CONTENT_ELEMENT);
1.119 daniel 5360: xmlFree(elem);
1.66 daniel 5361: }
1.65 daniel 5362: ret->ocur = XML_ELEMENT_CONTENT_MULT;
1.64 daniel 5363: SKIP(2);
1.61 daniel 5364: } else {
1.119 daniel 5365: if (elem != NULL) xmlFree(elem);
1.61 daniel 5366: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1.74 daniel 5367: ctxt->sax->error(ctxt->userData,
1.63 daniel 5368: "xmlParseElementMixedContentDecl : '|' or ')*' expected\n");
1.123 daniel 5369: ctxt->errNo = XML_ERR_MIXED_NOT_STARTED;
1.61 daniel 5370: ctxt->wellFormed = 0;
1.180 daniel 5371: ctxt->disableSAX = 1;
1.61 daniel 5372: xmlFreeElementContent(ret);
5373: return(NULL);
5374: }
5375:
5376: } else {
5377: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1.74 daniel 5378: ctxt->sax->error(ctxt->userData,
1.61 daniel 5379: "xmlParseElementMixedContentDecl : '#PCDATA' expected\n");
1.123 daniel 5380: ctxt->errNo = XML_ERR_PCDATA_REQUIRED;
1.61 daniel 5381: ctxt->wellFormed = 0;
1.180 daniel 5382: ctxt->disableSAX = 1;
1.61 daniel 5383: }
5384: return(ret);
5385: }
5386:
5387: /**
5388: * xmlParseElementChildrenContentDecl:
1.50 daniel 5389: * @ctxt: an XML parser context
5390: *
1.61 daniel 5391: * parse the declaration for a Mixed Element content
5392: * The leading '(' and spaces have been skipped in xmlParseElementContentDecl
1.22 daniel 5393: *
1.61 daniel 5394: *
1.22 daniel 5395: * [47] children ::= (choice | seq) ('?' | '*' | '+')?
5396: *
5397: * [48] cp ::= (Name | choice | seq) ('?' | '*' | '+')?
5398: *
5399: * [49] choice ::= '(' S? cp ( S? '|' S? cp )* S? ')'
5400: *
5401: * [50] seq ::= '(' S? cp ( S? ',' S? cp )* S? ')'
5402: *
1.99 daniel 5403: * [ VC: Proper Group/PE Nesting ] applies to [49] and [50]
5404: * TODO Parameter-entity replacement text must be properly nested
5405: * with parenthetized groups. That is to say, if either of the
5406: * opening or closing parentheses in a choice, seq, or Mixed
5407: * construct is contained in the replacement text for a parameter
5408: * entity, both must be contained in the same replacement text. For
5409: * interoperability, if a parameter-entity reference appears in a
5410: * choice, seq, or Mixed construct, its replacement text should not
5411: * be empty, and neither the first nor last non-blank character of
5412: * the replacement text should be a connector (| or ,).
5413: *
1.62 daniel 5414: * returns: the tree of xmlElementContentPtr describing the element
1.61 daniel 5415: * hierarchy.
5416: */
5417: xmlElementContentPtr
1.62 daniel 5418: xmlParseElementChildrenContentDecl(xmlParserCtxtPtr ctxt) {
1.63 daniel 5419: xmlElementContentPtr ret = NULL, cur = NULL, last = NULL, op = NULL;
1.123 daniel 5420: xmlChar *elem;
5421: xmlChar type = 0;
1.62 daniel 5422:
5423: SKIP_BLANKS;
1.94 daniel 5424: GROW;
1.152 daniel 5425: if (RAW == '(') {
1.63 daniel 5426: /* Recurse on first child */
1.62 daniel 5427: NEXT;
5428: SKIP_BLANKS;
5429: cur = ret = xmlParseElementChildrenContentDecl(ctxt);
5430: SKIP_BLANKS;
1.101 daniel 5431: GROW;
1.62 daniel 5432: } else {
5433: elem = xmlParseName(ctxt);
5434: if (elem == NULL) {
5435: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1.74 daniel 5436: ctxt->sax->error(ctxt->userData,
1.62 daniel 5437: "xmlParseElementChildrenContentDecl : Name or '(' expected\n");
1.123 daniel 5438: ctxt->errNo = XML_ERR_ELEMCONTENT_NOT_STARTED;
1.62 daniel 5439: ctxt->wellFormed = 0;
1.180 daniel 5440: ctxt->disableSAX = 1;
1.62 daniel 5441: return(NULL);
5442: }
5443: cur = ret = xmlNewElementContent(elem, XML_ELEMENT_CONTENT_ELEMENT);
1.101 daniel 5444: GROW;
1.152 daniel 5445: if (RAW == '?') {
1.104 daniel 5446: cur->ocur = XML_ELEMENT_CONTENT_OPT;
1.62 daniel 5447: NEXT;
1.152 daniel 5448: } else if (RAW == '*') {
1.104 daniel 5449: cur->ocur = XML_ELEMENT_CONTENT_MULT;
1.62 daniel 5450: NEXT;
1.152 daniel 5451: } else if (RAW == '+') {
1.104 daniel 5452: cur->ocur = XML_ELEMENT_CONTENT_PLUS;
1.62 daniel 5453: NEXT;
5454: } else {
1.104 daniel 5455: cur->ocur = XML_ELEMENT_CONTENT_ONCE;
1.62 daniel 5456: }
1.119 daniel 5457: xmlFree(elem);
1.101 daniel 5458: GROW;
1.62 daniel 5459: }
5460: SKIP_BLANKS;
1.91 daniel 5461: SHRINK;
1.152 daniel 5462: while (RAW != ')') {
1.63 daniel 5463: /*
5464: * Each loop we parse one separator and one element.
5465: */
1.152 daniel 5466: if (RAW == ',') {
1.62 daniel 5467: if (type == 0) type = CUR;
5468:
5469: /*
5470: * Detect "Name | Name , Name" error
5471: */
5472: else if (type != CUR) {
5473: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1.74 daniel 5474: ctxt->sax->error(ctxt->userData,
1.62 daniel 5475: "xmlParseElementChildrenContentDecl : '%c' expected\n",
5476: type);
1.123 daniel 5477: ctxt->errNo = XML_ERR_SEPARATOR_REQUIRED;
1.62 daniel 5478: ctxt->wellFormed = 0;
1.180 daniel 5479: ctxt->disableSAX = 1;
1.170 daniel 5480: if ((op != NULL) && (op != ret))
5481: xmlFreeElementContent(op);
5482: if ((last != NULL) && (last != ret))
5483: xmlFreeElementContent(last);
5484: if (ret != NULL)
5485: xmlFreeElementContent(ret);
1.62 daniel 5486: return(NULL);
5487: }
1.64 daniel 5488: NEXT;
1.62 daniel 5489:
1.63 daniel 5490: op = xmlNewElementContent(NULL, XML_ELEMENT_CONTENT_SEQ);
5491: if (op == NULL) {
5492: xmlFreeElementContent(ret);
5493: return(NULL);
5494: }
5495: if (last == NULL) {
5496: op->c1 = ret;
1.65 daniel 5497: ret = cur = op;
1.63 daniel 5498: } else {
5499: cur->c2 = op;
5500: op->c1 = last;
5501: cur =op;
1.65 daniel 5502: last = NULL;
1.63 daniel 5503: }
1.152 daniel 5504: } else if (RAW == '|') {
1.62 daniel 5505: if (type == 0) type = CUR;
5506:
5507: /*
1.63 daniel 5508: * Detect "Name , Name | Name" error
1.62 daniel 5509: */
5510: else if (type != CUR) {
5511: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1.74 daniel 5512: ctxt->sax->error(ctxt->userData,
1.62 daniel 5513: "xmlParseElementChildrenContentDecl : '%c' expected\n",
5514: type);
1.123 daniel 5515: ctxt->errNo = XML_ERR_SEPARATOR_REQUIRED;
1.62 daniel 5516: ctxt->wellFormed = 0;
1.180 daniel 5517: ctxt->disableSAX = 1;
1.170 daniel 5518: if ((op != NULL) && (op != ret))
5519: xmlFreeElementContent(op);
5520: if ((last != NULL) && (last != ret))
5521: xmlFreeElementContent(last);
5522: if (ret != NULL)
5523: xmlFreeElementContent(ret);
1.62 daniel 5524: return(NULL);
5525: }
1.64 daniel 5526: NEXT;
1.62 daniel 5527:
1.63 daniel 5528: op = xmlNewElementContent(NULL, XML_ELEMENT_CONTENT_OR);
5529: if (op == NULL) {
1.170 daniel 5530: if ((op != NULL) && (op != ret))
5531: xmlFreeElementContent(op);
5532: if ((last != NULL) && (last != ret))
5533: xmlFreeElementContent(last);
5534: if (ret != NULL)
5535: xmlFreeElementContent(ret);
1.63 daniel 5536: return(NULL);
5537: }
5538: if (last == NULL) {
5539: op->c1 = ret;
1.65 daniel 5540: ret = cur = op;
1.63 daniel 5541: } else {
5542: cur->c2 = op;
5543: op->c1 = last;
5544: cur =op;
1.65 daniel 5545: last = NULL;
1.63 daniel 5546: }
1.62 daniel 5547: } else {
5548: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1.74 daniel 5549: ctxt->sax->error(ctxt->userData,
1.62 daniel 5550: "xmlParseElementChildrenContentDecl : ',' '|' or ')' expected\n");
5551: ctxt->wellFormed = 0;
1.180 daniel 5552: ctxt->disableSAX = 1;
1.123 daniel 5553: ctxt->errNo = XML_ERR_ELEMCONTENT_NOT_FINISHED;
1.170 daniel 5554: if ((op != NULL) && (op != ret))
5555: xmlFreeElementContent(op);
5556: if ((last != NULL) && (last != ret))
5557: xmlFreeElementContent(last);
5558: if (ret != NULL)
5559: xmlFreeElementContent(ret);
1.62 daniel 5560: return(NULL);
5561: }
1.101 daniel 5562: GROW;
1.62 daniel 5563: SKIP_BLANKS;
1.101 daniel 5564: GROW;
1.152 daniel 5565: if (RAW == '(') {
1.63 daniel 5566: /* Recurse on second child */
1.62 daniel 5567: NEXT;
5568: SKIP_BLANKS;
1.65 daniel 5569: last = xmlParseElementChildrenContentDecl(ctxt);
1.62 daniel 5570: SKIP_BLANKS;
5571: } else {
5572: elem = xmlParseName(ctxt);
5573: if (elem == NULL) {
5574: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1.74 daniel 5575: ctxt->sax->error(ctxt->userData,
1.122 daniel 5576: "xmlParseElementChildrenContentDecl : Name or '(' expected\n");
1.123 daniel 5577: ctxt->errNo = XML_ERR_ELEMCONTENT_NOT_STARTED;
1.62 daniel 5578: ctxt->wellFormed = 0;
1.180 daniel 5579: ctxt->disableSAX = 1;
1.170 daniel 5580: if ((op != NULL) && (op != ret))
5581: xmlFreeElementContent(op);
5582: if ((last != NULL) && (last != ret))
5583: xmlFreeElementContent(last);
5584: if (ret != NULL)
5585: xmlFreeElementContent(ret);
1.62 daniel 5586: return(NULL);
5587: }
1.65 daniel 5588: last = xmlNewElementContent(elem, XML_ELEMENT_CONTENT_ELEMENT);
1.119 daniel 5589: xmlFree(elem);
1.152 daniel 5590: if (RAW == '?') {
1.105 daniel 5591: last->ocur = XML_ELEMENT_CONTENT_OPT;
5592: NEXT;
1.152 daniel 5593: } else if (RAW == '*') {
1.105 daniel 5594: last->ocur = XML_ELEMENT_CONTENT_MULT;
5595: NEXT;
1.152 daniel 5596: } else if (RAW == '+') {
1.105 daniel 5597: last->ocur = XML_ELEMENT_CONTENT_PLUS;
5598: NEXT;
5599: } else {
5600: last->ocur = XML_ELEMENT_CONTENT_ONCE;
5601: }
1.63 daniel 5602: }
5603: SKIP_BLANKS;
1.97 daniel 5604: GROW;
1.64 daniel 5605: }
1.65 daniel 5606: if ((cur != NULL) && (last != NULL)) {
5607: cur->c2 = last;
1.62 daniel 5608: }
5609: NEXT;
1.152 daniel 5610: if (RAW == '?') {
1.62 daniel 5611: ret->ocur = XML_ELEMENT_CONTENT_OPT;
5612: NEXT;
1.152 daniel 5613: } else if (RAW == '*') {
1.62 daniel 5614: ret->ocur = XML_ELEMENT_CONTENT_MULT;
5615: NEXT;
1.152 daniel 5616: } else if (RAW == '+') {
1.62 daniel 5617: ret->ocur = XML_ELEMENT_CONTENT_PLUS;
5618: NEXT;
5619: }
5620: return(ret);
1.61 daniel 5621: }
5622:
5623: /**
5624: * xmlParseElementContentDecl:
5625: * @ctxt: an XML parser context
5626: * @name: the name of the element being defined.
5627: * @result: the Element Content pointer will be stored here if any
1.22 daniel 5628: *
1.61 daniel 5629: * parse the declaration for an Element content either Mixed or Children,
5630: * the cases EMPTY and ANY are handled directly in xmlParseElementDecl
5631: *
5632: * [46] contentspec ::= 'EMPTY' | 'ANY' | Mixed | children
1.50 daniel 5633: *
1.61 daniel 5634: * returns: the type of element content XML_ELEMENT_TYPE_xxx
1.22 daniel 5635: */
5636:
1.61 daniel 5637: int
1.123 daniel 5638: xmlParseElementContentDecl(xmlParserCtxtPtr ctxt, xmlChar *name,
1.61 daniel 5639: xmlElementContentPtr *result) {
5640:
5641: xmlElementContentPtr tree = NULL;
5642: int res;
5643:
5644: *result = NULL;
5645:
1.152 daniel 5646: if (RAW != '(') {
1.61 daniel 5647: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1.74 daniel 5648: ctxt->sax->error(ctxt->userData,
1.61 daniel 5649: "xmlParseElementContentDecl : '(' expected\n");
1.123 daniel 5650: ctxt->errNo = XML_ERR_ELEMCONTENT_NOT_STARTED;
1.61 daniel 5651: ctxt->wellFormed = 0;
1.180 daniel 5652: ctxt->disableSAX = 1;
1.61 daniel 5653: return(-1);
5654: }
5655: NEXT;
1.97 daniel 5656: GROW;
1.61 daniel 5657: SKIP_BLANKS;
1.152 daniel 5658: if ((RAW == '#') && (NXT(1) == 'P') &&
1.61 daniel 5659: (NXT(2) == 'C') && (NXT(3) == 'D') &&
5660: (NXT(4) == 'A') && (NXT(5) == 'T') &&
5661: (NXT(6) == 'A')) {
1.62 daniel 5662: tree = xmlParseElementMixedContentDecl(ctxt);
1.61 daniel 5663: res = XML_ELEMENT_TYPE_MIXED;
5664: } else {
1.62 daniel 5665: tree = xmlParseElementChildrenContentDecl(ctxt);
1.61 daniel 5666: res = XML_ELEMENT_TYPE_ELEMENT;
5667: }
5668: SKIP_BLANKS;
1.63 daniel 5669: /****************************
1.152 daniel 5670: if (RAW != ')') {
1.61 daniel 5671: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1.74 daniel 5672: ctxt->sax->error(ctxt->userData,
1.61 daniel 5673: "xmlParseElementContentDecl : ')' expected\n");
5674: ctxt->wellFormed = 0;
1.180 daniel 5675: ctxt->disableSAX = 1;
1.61 daniel 5676: return(-1);
5677: }
1.63 daniel 5678: ****************************/
5679: *result = tree;
1.61 daniel 5680: return(res);
1.22 daniel 5681: }
5682:
1.50 daniel 5683: /**
5684: * xmlParseElementDecl:
5685: * @ctxt: an XML parser context
5686: *
5687: * parse an Element declaration.
1.22 daniel 5688: *
5689: * [45] elementdecl ::= '<!ELEMENT' S Name S contentspec S? '>'
5690: *
1.99 daniel 5691: * [ VC: Unique Element Type Declaration ]
1.117 daniel 5692: * No element type may be declared more than once
1.69 daniel 5693: *
5694: * Returns the type of the element, or -1 in case of error
1.22 daniel 5695: */
1.59 daniel 5696: int
1.55 daniel 5697: xmlParseElementDecl(xmlParserCtxtPtr ctxt) {
1.123 daniel 5698: xmlChar *name;
1.59 daniel 5699: int ret = -1;
1.61 daniel 5700: xmlElementContentPtr content = NULL;
1.22 daniel 5701:
1.97 daniel 5702: GROW;
1.152 daniel 5703: if ((RAW == '<') && (NXT(1) == '!') &&
1.40 daniel 5704: (NXT(2) == 'E') && (NXT(3) == 'L') &&
5705: (NXT(4) == 'E') && (NXT(5) == 'M') &&
5706: (NXT(6) == 'E') && (NXT(7) == 'N') &&
1.59 daniel 5707: (NXT(8) == 'T')) {
1.40 daniel 5708: SKIP(9);
1.59 daniel 5709: if (!IS_BLANK(CUR)) {
5710: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1.74 daniel 5711: ctxt->sax->error(ctxt->userData,
1.59 daniel 5712: "Space required after 'ELEMENT'\n");
1.123 daniel 5713: ctxt->errNo = XML_ERR_SPACE_REQUIRED;
1.59 daniel 5714: ctxt->wellFormed = 0;
1.180 daniel 5715: ctxt->disableSAX = 1;
1.59 daniel 5716: }
1.42 daniel 5717: SKIP_BLANKS;
1.22 daniel 5718: name = xmlParseName(ctxt);
5719: if (name == NULL) {
1.55 daniel 5720: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1.74 daniel 5721: ctxt->sax->error(ctxt->userData,
1.59 daniel 5722: "xmlParseElementDecl: no name for Element\n");
1.123 daniel 5723: ctxt->errNo = XML_ERR_NAME_REQUIRED;
1.59 daniel 5724: ctxt->wellFormed = 0;
1.180 daniel 5725: ctxt->disableSAX = 1;
1.59 daniel 5726: return(-1);
5727: }
5728: if (!IS_BLANK(CUR)) {
5729: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1.74 daniel 5730: ctxt->sax->error(ctxt->userData,
1.59 daniel 5731: "Space required after the element name\n");
1.123 daniel 5732: ctxt->errNo = XML_ERR_SPACE_REQUIRED;
1.59 daniel 5733: ctxt->wellFormed = 0;
1.180 daniel 5734: ctxt->disableSAX = 1;
1.22 daniel 5735: }
1.42 daniel 5736: SKIP_BLANKS;
1.152 daniel 5737: if ((RAW == 'E') && (NXT(1) == 'M') &&
1.40 daniel 5738: (NXT(2) == 'P') && (NXT(3) == 'T') &&
5739: (NXT(4) == 'Y')) {
5740: SKIP(5);
1.22 daniel 5741: /*
5742: * Element must always be empty.
5743: */
1.59 daniel 5744: ret = XML_ELEMENT_TYPE_EMPTY;
1.152 daniel 5745: } else if ((RAW == 'A') && (NXT(1) == 'N') &&
1.40 daniel 5746: (NXT(2) == 'Y')) {
5747: SKIP(3);
1.22 daniel 5748: /*
5749: * Element is a generic container.
5750: */
1.59 daniel 5751: ret = XML_ELEMENT_TYPE_ANY;
1.152 daniel 5752: } else if (RAW == '(') {
1.61 daniel 5753: ret = xmlParseElementContentDecl(ctxt, name, &content);
1.22 daniel 5754: } else {
1.98 daniel 5755: /*
5756: * [ WFC: PEs in Internal Subset ] error handling.
5757: */
1.152 daniel 5758: if ((RAW == '%') && (ctxt->external == 0) &&
1.98 daniel 5759: (ctxt->inputNr == 1)) {
5760: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
5761: ctxt->sax->error(ctxt->userData,
5762: "PEReference: forbidden within markup decl in internal subset\n");
1.123 daniel 5763: ctxt->errNo = XML_ERR_PEREF_IN_INT_SUBSET;
1.98 daniel 5764: } else {
5765: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
5766: ctxt->sax->error(ctxt->userData,
5767: "xmlParseElementDecl: 'EMPTY', 'ANY' or '(' expected\n");
1.123 daniel 5768: ctxt->errNo = XML_ERR_ELEMCONTENT_NOT_STARTED;
1.98 daniel 5769: }
1.61 daniel 5770: ctxt->wellFormed = 0;
1.180 daniel 5771: ctxt->disableSAX = 1;
1.119 daniel 5772: if (name != NULL) xmlFree(name);
1.61 daniel 5773: return(-1);
1.22 daniel 5774: }
1.142 daniel 5775:
5776: SKIP_BLANKS;
5777: /*
5778: * Pop-up of finished entities.
5779: */
1.152 daniel 5780: while ((RAW == 0) && (ctxt->inputNr > 1))
1.142 daniel 5781: xmlPopInput(ctxt);
1.42 daniel 5782: SKIP_BLANKS;
1.142 daniel 5783:
1.152 daniel 5784: if (RAW != '>') {
1.55 daniel 5785: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1.74 daniel 5786: ctxt->sax->error(ctxt->userData,
1.31 daniel 5787: "xmlParseElementDecl: expected '>' at the end\n");
1.123 daniel 5788: ctxt->errNo = XML_ERR_GT_REQUIRED;
1.59 daniel 5789: ctxt->wellFormed = 0;
1.180 daniel 5790: ctxt->disableSAX = 1;
1.61 daniel 5791: } else {
1.40 daniel 5792: NEXT;
1.171 daniel 5793: if ((ctxt->sax != NULL) && (!ctxt->disableSAX) &&
5794: (ctxt->sax->elementDecl != NULL))
1.76 daniel 5795: ctxt->sax->elementDecl(ctxt->userData, name, ret,
5796: content);
1.61 daniel 5797: }
1.84 daniel 5798: if (content != NULL) {
5799: xmlFreeElementContent(content);
5800: }
1.61 daniel 5801: if (name != NULL) {
1.119 daniel 5802: xmlFree(name);
1.61 daniel 5803: }
1.22 daniel 5804: }
1.59 daniel 5805: return(ret);
1.22 daniel 5806: }
5807:
1.50 daniel 5808: /**
5809: * xmlParseMarkupDecl:
5810: * @ctxt: an XML parser context
5811: *
5812: * parse Markup declarations
1.22 daniel 5813: *
5814: * [29] markupdecl ::= elementdecl | AttlistDecl | EntityDecl |
5815: * NotationDecl | PI | Comment
5816: *
1.98 daniel 5817: * [ VC: Proper Declaration/PE Nesting ]
5818: * TODO Parameter-entity replacement text must be properly nested with
5819: * markup declarations. That is to say, if either the first character
5820: * or the last character of a markup declaration (markupdecl above) is
5821: * contained in the replacement text for a parameter-entity reference,
5822: * both must be contained in the same replacement text.
5823: *
5824: * [ WFC: PEs in Internal Subset ]
5825: * In the internal DTD subset, parameter-entity references can occur
5826: * only where markup declarations can occur, not within markup declarations.
5827: * (This does not apply to references that occur in external parameter
5828: * entities or to the external subset.)
1.22 daniel 5829: */
1.55 daniel 5830: void
5831: xmlParseMarkupDecl(xmlParserCtxtPtr ctxt) {
1.94 daniel 5832: GROW;
1.22 daniel 5833: xmlParseElementDecl(ctxt);
5834: xmlParseAttributeListDecl(ctxt);
5835: xmlParseEntityDecl(ctxt);
5836: xmlParseNotationDecl(ctxt);
5837: xmlParsePI(ctxt);
1.114 daniel 5838: xmlParseComment(ctxt);
1.98 daniel 5839: /*
5840: * This is only for internal subset. On external entities,
5841: * the replacement is done before parsing stage
5842: */
5843: if ((ctxt->external == 0) && (ctxt->inputNr == 1))
5844: xmlParsePEReference(ctxt);
1.97 daniel 5845: ctxt->instate = XML_PARSER_DTD;
1.22 daniel 5846: }
5847:
1.50 daniel 5848: /**
1.76 daniel 5849: * xmlParseTextDecl:
5850: * @ctxt: an XML parser context
5851: *
5852: * parse an XML declaration header for external entities
5853: *
5854: * [77] TextDecl ::= '<?xml' VersionInfo? EncodingDecl S? '?>'
1.176 daniel 5855: *
5856: * Question: Seems that EncodingDecl is mandatory ? Is that a typo ?
1.76 daniel 5857: */
5858:
1.172 daniel 5859: void
1.76 daniel 5860: xmlParseTextDecl(xmlParserCtxtPtr ctxt) {
1.123 daniel 5861: xmlChar *version;
1.76 daniel 5862:
5863: /*
5864: * We know that '<?xml' is here.
5865: */
5866: SKIP(5);
5867:
5868: if (!IS_BLANK(CUR)) {
5869: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1.122 daniel 5870: ctxt->sax->error(ctxt->userData,
5871: "Space needed after '<?xml'\n");
1.123 daniel 5872: ctxt->errNo = XML_ERR_SPACE_REQUIRED;
1.76 daniel 5873: ctxt->wellFormed = 0;
1.180 daniel 5874: ctxt->disableSAX = 1;
1.76 daniel 5875: }
5876: SKIP_BLANKS;
5877:
5878: /*
5879: * We may have the VersionInfo here.
5880: */
5881: version = xmlParseVersionInfo(ctxt);
5882: if (version == NULL)
5883: version = xmlCharStrdup(XML_DEFAULT_VERSION);
1.172 daniel 5884: ctxt->input->version = version;
1.76 daniel 5885:
5886: /*
5887: * We must have the encoding declaration
5888: */
5889: if (!IS_BLANK(CUR)) {
5890: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1.122 daniel 5891: ctxt->sax->error(ctxt->userData, "Space needed here\n");
1.123 daniel 5892: ctxt->errNo = XML_ERR_SPACE_REQUIRED;
1.76 daniel 5893: ctxt->wellFormed = 0;
1.180 daniel 5894: ctxt->disableSAX = 1;
1.76 daniel 5895: }
1.172 daniel 5896: ctxt->input->encoding = xmlParseEncodingDecl(ctxt);
1.76 daniel 5897:
5898: SKIP_BLANKS;
1.152 daniel 5899: if ((RAW == '?') && (NXT(1) == '>')) {
1.76 daniel 5900: SKIP(2);
1.152 daniel 5901: } else if (RAW == '>') {
1.76 daniel 5902: /* Deprecated old WD ... */
5903: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1.122 daniel 5904: ctxt->sax->error(ctxt->userData,
5905: "XML declaration must end-up with '?>'\n");
1.123 daniel 5906: ctxt->errNo = XML_ERR_XMLDECL_NOT_FINISHED;
1.76 daniel 5907: ctxt->wellFormed = 0;
1.180 daniel 5908: ctxt->disableSAX = 1;
1.76 daniel 5909: NEXT;
5910: } else {
5911: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1.122 daniel 5912: ctxt->sax->error(ctxt->userData,
5913: "parsing XML declaration: '?>' expected\n");
1.123 daniel 5914: ctxt->errNo = XML_ERR_XMLDECL_NOT_FINISHED;
1.76 daniel 5915: ctxt->wellFormed = 0;
1.180 daniel 5916: ctxt->disableSAX = 1;
1.76 daniel 5917: MOVETO_ENDTAG(CUR_PTR);
5918: NEXT;
5919: }
5920: }
5921:
5922: /*
5923: * xmlParseConditionalSections
5924: * @ctxt: an XML parser context
5925: *
5926: * TODO : Conditionnal section are not yet supported !
5927: *
5928: * [61] conditionalSect ::= includeSect | ignoreSect
5929: * [62] includeSect ::= '<![' S? 'INCLUDE' S? '[' extSubsetDecl ']]>'
5930: * [63] ignoreSect ::= '<![' S? 'IGNORE' S? '[' ignoreSectContents* ']]>'
5931: * [64] ignoreSectContents ::= Ignore ('<![' ignoreSectContents ']]>' Ignore)*
5932: * [65] Ignore ::= Char* - (Char* ('<![' | ']]>') Char*)
5933: */
5934:
5935: void
5936: xmlParseConditionalSections(xmlParserCtxtPtr ctxt) {
1.165 daniel 5937: SKIP(3);
5938: SKIP_BLANKS;
1.168 daniel 5939: if ((RAW == 'I') && (NXT(1) == 'N') && (NXT(2) == 'C') &&
5940: (NXT(3) == 'L') && (NXT(4) == 'U') && (NXT(5) == 'D') &&
5941: (NXT(6) == 'E')) {
1.165 daniel 5942: SKIP(7);
1.168 daniel 5943: SKIP_BLANKS;
5944: if (RAW != '[') {
5945: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
5946: ctxt->sax->error(ctxt->userData,
5947: "XML conditional section '[' expected\n");
5948: ctxt->errNo = XML_ERR_CONDSEC_INVALID;
5949: ctxt->wellFormed = 0;
1.180 daniel 5950: ctxt->disableSAX = 1;
1.168 daniel 5951: } else {
5952: NEXT;
5953: }
1.165 daniel 5954: while ((RAW != 0) && ((RAW != ']') || (NXT(1) != ']') ||
5955: (NXT(2) != '>'))) {
5956: const xmlChar *check = CUR_PTR;
5957: int cons = ctxt->input->consumed;
5958: int tok = ctxt->token;
5959:
5960: if ((RAW == '<') && (NXT(1) == '!') && (NXT(2) == '[')) {
5961: xmlParseConditionalSections(ctxt);
5962: } else if (IS_BLANK(CUR)) {
5963: NEXT;
5964: } else if (RAW == '%') {
5965: xmlParsePEReference(ctxt);
5966: } else
5967: xmlParseMarkupDecl(ctxt);
5968:
5969: /*
5970: * Pop-up of finished entities.
5971: */
5972: while ((RAW == 0) && (ctxt->inputNr > 1))
5973: xmlPopInput(ctxt);
5974:
5975: if ((CUR_PTR == check) && (cons == ctxt->input->consumed) &&
5976: (tok == ctxt->token)) {
5977: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
5978: ctxt->sax->error(ctxt->userData,
5979: "Content error in the external subset\n");
5980: ctxt->wellFormed = 0;
1.180 daniel 5981: ctxt->disableSAX = 1;
1.165 daniel 5982: ctxt->errNo = XML_ERR_EXT_SUBSET_NOT_FINISHED;
5983: break;
5984: }
5985: }
1.168 daniel 5986: } else if ((RAW == 'I') && (NXT(1) == 'G') && (NXT(2) == 'N') &&
5987: (NXT(3) == 'O') && (NXT(4) == 'R') && (NXT(5) == 'E')) {
1.171 daniel 5988: int state;
5989:
1.168 daniel 5990: SKIP(6);
5991: SKIP_BLANKS;
5992: if (RAW != '[') {
5993: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
5994: ctxt->sax->error(ctxt->userData,
5995: "XML conditional section '[' expected\n");
5996: ctxt->errNo = XML_ERR_CONDSEC_INVALID;
5997: ctxt->wellFormed = 0;
1.180 daniel 5998: ctxt->disableSAX = 1;
1.168 daniel 5999: } else {
6000: NEXT;
6001: }
1.171 daniel 6002:
1.143 daniel 6003: /*
1.171 daniel 6004: * Parse up to the end of the conditionnal section
6005: * But disable SAX event generating DTD building in the meantime
1.143 daniel 6006: */
1.171 daniel 6007: state = ctxt->disableSAX;
1.165 daniel 6008: while ((RAW != 0) && ((RAW != ']') || (NXT(1) != ']') ||
6009: (NXT(2) != '>'))) {
1.171 daniel 6010: const xmlChar *check = CUR_PTR;
6011: int cons = ctxt->input->consumed;
6012: int tok = ctxt->token;
6013:
6014: if ((RAW == '<') && (NXT(1) == '!') && (NXT(2) == '[')) {
6015: xmlParseConditionalSections(ctxt);
6016: } else if (IS_BLANK(CUR)) {
6017: NEXT;
6018: } else if (RAW == '%') {
6019: xmlParsePEReference(ctxt);
6020: } else
6021: xmlParseMarkupDecl(ctxt);
6022:
1.165 daniel 6023: /*
6024: * Pop-up of finished entities.
6025: */
6026: while ((RAW == 0) && (ctxt->inputNr > 1))
6027: xmlPopInput(ctxt);
1.143 daniel 6028:
1.171 daniel 6029: if ((CUR_PTR == check) && (cons == ctxt->input->consumed) &&
6030: (tok == ctxt->token)) {
6031: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
6032: ctxt->sax->error(ctxt->userData,
6033: "Content error in the external subset\n");
6034: ctxt->wellFormed = 0;
1.180 daniel 6035: ctxt->disableSAX = 1;
1.171 daniel 6036: ctxt->errNo = XML_ERR_EXT_SUBSET_NOT_FINISHED;
6037: break;
6038: }
1.165 daniel 6039: }
1.171 daniel 6040: ctxt->disableSAX = state;
1.168 daniel 6041: } else {
6042: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
6043: ctxt->sax->error(ctxt->userData,
6044: "XML conditional section INCLUDE or IGNORE keyword expected\n");
6045: ctxt->errNo = XML_ERR_CONDSEC_INVALID;
6046: ctxt->wellFormed = 0;
1.180 daniel 6047: ctxt->disableSAX = 1;
1.143 daniel 6048: }
6049:
1.152 daniel 6050: if (RAW == 0)
1.143 daniel 6051: SHRINK;
6052:
1.152 daniel 6053: if (RAW == 0) {
1.76 daniel 6054: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
6055: ctxt->sax->error(ctxt->userData,
6056: "XML conditional section not closed\n");
1.123 daniel 6057: ctxt->errNo = XML_ERR_CONDSEC_NOT_FINISHED;
1.76 daniel 6058: ctxt->wellFormed = 0;
1.180 daniel 6059: ctxt->disableSAX = 1;
1.143 daniel 6060: } else {
6061: SKIP(3);
1.76 daniel 6062: }
6063: }
6064:
6065: /**
1.124 daniel 6066: * xmlParseExternalSubset:
1.76 daniel 6067: * @ctxt: an XML parser context
1.124 daniel 6068: * @ExternalID: the external identifier
6069: * @SystemID: the system identifier (or URL)
1.76 daniel 6070: *
6071: * parse Markup declarations from an external subset
6072: *
6073: * [30] extSubset ::= textDecl? extSubsetDecl
6074: *
6075: * [31] extSubsetDecl ::= (markupdecl | conditionalSect | PEReference | S) *
6076: */
6077: void
1.123 daniel 6078: xmlParseExternalSubset(xmlParserCtxtPtr ctxt, const xmlChar *ExternalID,
6079: const xmlChar *SystemID) {
1.132 daniel 6080: GROW;
1.152 daniel 6081: if ((RAW == '<') && (NXT(1) == '?') &&
1.76 daniel 6082: (NXT(2) == 'x') && (NXT(3) == 'm') &&
6083: (NXT(4) == 'l')) {
1.172 daniel 6084: xmlParseTextDecl(ctxt);
1.76 daniel 6085: }
1.79 daniel 6086: if (ctxt->myDoc == NULL) {
1.116 daniel 6087: ctxt->myDoc = xmlNewDoc(BAD_CAST "1.0");
1.79 daniel 6088: }
6089: if ((ctxt->myDoc != NULL) && (ctxt->myDoc->intSubset == NULL))
6090: xmlCreateIntSubset(ctxt->myDoc, NULL, ExternalID, SystemID);
6091:
1.96 daniel 6092: ctxt->instate = XML_PARSER_DTD;
1.101 daniel 6093: ctxt->external = 1;
1.152 daniel 6094: while (((RAW == '<') && (NXT(1) == '?')) ||
6095: ((RAW == '<') && (NXT(1) == '!')) ||
1.164 daniel 6096: IS_BLANK(CUR)) {
1.123 daniel 6097: const xmlChar *check = CUR_PTR;
1.115 daniel 6098: int cons = ctxt->input->consumed;
1.164 daniel 6099: int tok = ctxt->token;
1.115 daniel 6100:
1.152 daniel 6101: if ((RAW == '<') && (NXT(1) == '!') && (NXT(2) == '[')) {
1.76 daniel 6102: xmlParseConditionalSections(ctxt);
6103: } else if (IS_BLANK(CUR)) {
6104: NEXT;
1.152 daniel 6105: } else if (RAW == '%') {
1.76 daniel 6106: xmlParsePEReference(ctxt);
6107: } else
6108: xmlParseMarkupDecl(ctxt);
1.77 daniel 6109:
6110: /*
6111: * Pop-up of finished entities.
6112: */
1.166 daniel 6113: while ((RAW == 0) && (ctxt->inputNr > 1))
1.77 daniel 6114: xmlPopInput(ctxt);
6115:
1.164 daniel 6116: if ((CUR_PTR == check) && (cons == ctxt->input->consumed) &&
6117: (tok == ctxt->token)) {
1.115 daniel 6118: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
6119: ctxt->sax->error(ctxt->userData,
6120: "Content error in the external subset\n");
6121: ctxt->wellFormed = 0;
1.180 daniel 6122: ctxt->disableSAX = 1;
1.123 daniel 6123: ctxt->errNo = XML_ERR_EXT_SUBSET_NOT_FINISHED;
1.115 daniel 6124: break;
6125: }
1.76 daniel 6126: }
6127:
1.152 daniel 6128: if (RAW != 0) {
1.76 daniel 6129: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
6130: ctxt->sax->error(ctxt->userData,
6131: "Extra content at the end of the document\n");
1.123 daniel 6132: ctxt->errNo = XML_ERR_EXT_SUBSET_NOT_FINISHED;
1.76 daniel 6133: ctxt->wellFormed = 0;
1.180 daniel 6134: ctxt->disableSAX = 1;
1.76 daniel 6135: }
6136:
6137: }
6138:
6139: /**
1.77 daniel 6140: * xmlParseReference:
6141: * @ctxt: an XML parser context
6142: *
6143: * parse and handle entity references in content, depending on the SAX
6144: * interface, this may end-up in a call to character() if this is a
1.79 daniel 6145: * CharRef, a predefined entity, if there is no reference() callback.
6146: * or if the parser was asked to switch to that mode.
1.77 daniel 6147: *
6148: * [67] Reference ::= EntityRef | CharRef
6149: */
6150: void
6151: xmlParseReference(xmlParserCtxtPtr ctxt) {
6152: xmlEntityPtr ent;
1.123 daniel 6153: xmlChar *val;
1.152 daniel 6154: if (RAW != '&') return;
1.77 daniel 6155:
1.113 daniel 6156: if (ctxt->inputNr > 1) {
1.123 daniel 6157: xmlChar cur[2] = { '&' , 0 } ;
1.113 daniel 6158:
1.171 daniel 6159: if ((ctxt->sax != NULL) && (ctxt->sax->characters != NULL) &&
6160: (!ctxt->disableSAX))
1.113 daniel 6161: ctxt->sax->characters(ctxt->userData, cur, 1);
6162: if (ctxt->token == '&')
6163: ctxt->token = 0;
6164: else {
6165: SKIP(1);
6166: }
6167: return;
6168: }
1.77 daniel 6169: if (NXT(1) == '#') {
1.152 daniel 6170: int i = 0;
1.153 daniel 6171: xmlChar out[10];
6172: int hex = NXT(2);
1.77 daniel 6173: int val = xmlParseCharRef(ctxt);
1.152 daniel 6174:
1.153 daniel 6175: if (ctxt->encoding != NULL) {
6176: /*
6177: * So we are using non-UTF-8 buffers
6178: * Check that the char fit on 8bits, if not
6179: * generate a CharRef.
6180: */
6181: if (val <= 0xFF) {
6182: out[0] = val;
6183: out[1] = 0;
1.171 daniel 6184: if ((ctxt->sax != NULL) && (ctxt->sax->characters != NULL) &&
6185: (!ctxt->disableSAX))
1.153 daniel 6186: ctxt->sax->characters(ctxt->userData, out, 1);
6187: } else {
6188: if ((hex == 'x') || (hex == 'X'))
6189: sprintf((char *)out, "#x%X", val);
6190: else
6191: sprintf((char *)out, "#%d", val);
1.171 daniel 6192: if ((ctxt->sax != NULL) && (ctxt->sax->reference != NULL) &&
6193: (!ctxt->disableSAX))
1.153 daniel 6194: ctxt->sax->reference(ctxt->userData, out);
6195: }
6196: } else {
6197: /*
6198: * Just encode the value in UTF-8
6199: */
6200: COPY_BUF(0 ,out, i, val);
6201: out[i] = 0;
1.171 daniel 6202: if ((ctxt->sax != NULL) && (ctxt->sax->characters != NULL) &&
6203: (!ctxt->disableSAX))
1.153 daniel 6204: ctxt->sax->characters(ctxt->userData, out, i);
6205: }
1.77 daniel 6206: } else {
6207: ent = xmlParseEntityRef(ctxt);
6208: if (ent == NULL) return;
6209: if ((ent->name != NULL) &&
1.159 daniel 6210: (ent->etype != XML_INTERNAL_PREDEFINED_ENTITY)) {
1.180 daniel 6211: xmlNodePtr list = NULL;
6212: int ret;
6213:
6214:
6215: /*
6216: * The first reference to the entity trigger a parsing phase
6217: * where the ent->children is filled with the result from
6218: * the parsing.
6219: */
6220: if (ent->children == NULL) {
6221: xmlChar *value;
6222: value = ent->content;
6223:
6224: /*
6225: * Check that this entity is well formed
6226: */
6227: if ((value != NULL) &&
6228: (value[1] == 0) && (value[0] == '<') &&
6229: (!xmlStrcmp(ent->name, BAD_CAST "lt"))) {
6230: /*
6231: * TODO: get definite answer on this !!!
6232: * Lots of entity decls are used to declare a single
6233: * char
6234: * <!ENTITY lt "<">
6235: * Which seems to be valid since
6236: * 2.4: The ampersand character (&) and the left angle
6237: * bracket (<) may appear in their literal form only
6238: * when used ... They are also legal within the literal
6239: * entity value of an internal entity declaration;i
6240: * see "4.3.2 Well-Formed Parsed Entities".
6241: * IMHO 2.4 and 4.3.2 are directly in contradiction.
6242: * Looking at the OASIS test suite and James Clark
6243: * tests, this is broken. However the XML REC uses
6244: * it. Is the XML REC not well-formed ????
6245: * This is a hack to avoid this problem
6246: */
6247: list = xmlNewDocText(ctxt->myDoc, value);
6248: if (list != NULL) {
6249: if ((ent->etype == XML_INTERNAL_GENERAL_ENTITY) &&
6250: (ent->children == NULL)) {
6251: ent->children = list;
6252: ent->last = list;
6253: list->parent = (xmlNodePtr) ent;
6254: } else {
6255: xmlFreeNodeList(list);
6256: }
6257: } else if (list != NULL) {
6258: xmlFreeNodeList(list);
6259: }
1.181 daniel 6260: } else {
1.180 daniel 6261: /*
6262: * 4.3.2: An internal general parsed entity is well-formed
6263: * if its replacement text matches the production labeled
6264: * content.
6265: */
1.185 daniel 6266: if (ent->etype == XML_INTERNAL_GENERAL_ENTITY) {
6267: ctxt->depth++;
1.180 daniel 6268: ret = xmlParseBalancedChunkMemory(ctxt->myDoc,
1.185 daniel 6269: ctxt->sax, NULL, ctxt->depth,
6270: value, &list);
6271: ctxt->depth--;
6272: } else if (ent->etype ==
6273: XML_EXTERNAL_GENERAL_PARSED_ENTITY) {
6274: ctxt->depth++;
1.180 daniel 6275: ret = xmlParseExternalEntity(ctxt->myDoc,
1.185 daniel 6276: ctxt->sax, NULL, ctxt->depth,
6277: ent->SystemID, ent->ExternalID, &list);
6278: ctxt->depth--;
6279: } else {
1.180 daniel 6280: ret = -1;
6281: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
6282: ctxt->sax->error(ctxt->userData,
6283: "Internal: invalid entity type\n");
6284: }
1.185 daniel 6285: if (ret == XML_ERR_ENTITY_LOOP) {
6286: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
6287: ctxt->sax->error(ctxt->userData,
6288: "Detected entity reference loop\n");
6289: ctxt->wellFormed = 0;
6290: ctxt->disableSAX = 1;
6291: ctxt->errNo = XML_ERR_ENTITY_LOOP;
6292: } else if ((ret == 0) && (list != NULL)) {
1.180 daniel 6293: if ((ent->etype == XML_INTERNAL_GENERAL_ENTITY) &&
6294: (ent->children == NULL)) {
6295: ent->children = list;
6296: while (list != NULL) {
6297: list->parent = (xmlNodePtr) ent;
6298: if (list->next == NULL)
6299: ent->last = list;
6300: list = list->next;
6301: }
6302: } else {
6303: xmlFreeNodeList(list);
6304: }
6305: } else if (ret > 0) {
6306: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
6307: ctxt->sax->error(ctxt->userData,
6308: "Entity value required\n");
6309: ctxt->errNo = ret;
6310: ctxt->wellFormed = 0;
6311: ctxt->disableSAX = 1;
6312: } else if (list != NULL) {
6313: xmlFreeNodeList(list);
6314: }
6315: }
6316: }
1.113 daniel 6317: if ((ctxt->sax != NULL) && (ctxt->sax->reference != NULL) &&
1.171 daniel 6318: (ctxt->replaceEntities == 0) && (!ctxt->disableSAX)) {
1.113 daniel 6319: /*
6320: * Create a node.
6321: */
6322: ctxt->sax->reference(ctxt->userData, ent->name);
6323: return;
6324: } else if (ctxt->replaceEntities) {
6325: xmlParserInputPtr input;
1.79 daniel 6326:
1.113 daniel 6327: input = xmlNewEntityInputStream(ctxt, ent);
6328: xmlPushInput(ctxt, input);
1.167 daniel 6329: if ((ent->etype == XML_EXTERNAL_GENERAL_PARSED_ENTITY) &&
6330: (RAW == '<') && (NXT(1) == '?') &&
6331: (NXT(2) == 'x') && (NXT(3) == 'm') &&
6332: (NXT(4) == 'l') && (IS_BLANK(NXT(5)))) {
1.172 daniel 6333: xmlParseTextDecl(ctxt);
1.167 daniel 6334: if (input->standalone) {
6335: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
6336: ctxt->sax->error(ctxt->userData,
6337: "external parsed entities cannot be standalone\n");
6338: ctxt->errNo = XML_ERR_EXT_ENTITY_STANDALONE;
6339: ctxt->wellFormed = 0;
1.180 daniel 6340: ctxt->disableSAX = 1;
1.167 daniel 6341: }
6342: }
1.179 daniel 6343: /*
6344: * !!! TODO: build the tree under the entity first
6345: * 1234
6346: */
1.113 daniel 6347: return;
6348: }
1.77 daniel 6349: }
6350: val = ent->content;
6351: if (val == NULL) return;
6352: /*
6353: * inline the entity.
6354: */
1.171 daniel 6355: if ((ctxt->sax != NULL) && (ctxt->sax->characters != NULL) &&
6356: (!ctxt->disableSAX))
1.77 daniel 6357: ctxt->sax->characters(ctxt->userData, val, xmlStrlen(val));
6358: }
1.24 daniel 6359: }
6360:
1.50 daniel 6361: /**
6362: * xmlParseEntityRef:
6363: * @ctxt: an XML parser context
6364: *
6365: * parse ENTITY references declarations
1.24 daniel 6366: *
6367: * [68] EntityRef ::= '&' Name ';'
1.68 daniel 6368: *
1.98 daniel 6369: * [ WFC: Entity Declared ]
6370: * In a document without any DTD, a document with only an internal DTD
6371: * subset which contains no parameter entity references, or a document
6372: * with "standalone='yes'", the Name given in the entity reference
6373: * must match that in an entity declaration, except that well-formed
6374: * documents need not declare any of the following entities: amp, lt,
6375: * gt, apos, quot. The declaration of a parameter entity must precede
6376: * any reference to it. Similarly, the declaration of a general entity
6377: * must precede any reference to it which appears in a default value in an
6378: * attribute-list declaration. Note that if entities are declared in the
6379: * external subset or in external parameter entities, a non-validating
6380: * processor is not obligated to read and process their declarations;
6381: * for such documents, the rule that an entity must be declared is a
6382: * well-formedness constraint only if standalone='yes'.
6383: *
6384: * [ WFC: Parsed Entity ]
6385: * An entity reference must not contain the name of an unparsed entity
6386: *
1.77 daniel 6387: * Returns the xmlEntityPtr if found, or NULL otherwise.
1.24 daniel 6388: */
1.77 daniel 6389: xmlEntityPtr
1.55 daniel 6390: xmlParseEntityRef(xmlParserCtxtPtr ctxt) {
1.123 daniel 6391: xmlChar *name;
1.72 daniel 6392: xmlEntityPtr ent = NULL;
1.24 daniel 6393:
1.91 daniel 6394: GROW;
1.111 daniel 6395:
1.152 daniel 6396: if (RAW == '&') {
1.40 daniel 6397: NEXT;
1.24 daniel 6398: name = xmlParseName(ctxt);
6399: if (name == NULL) {
1.55 daniel 6400: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1.98 daniel 6401: ctxt->sax->error(ctxt->userData,
6402: "xmlParseEntityRef: no name\n");
1.123 daniel 6403: ctxt->errNo = XML_ERR_NAME_REQUIRED;
1.59 daniel 6404: ctxt->wellFormed = 0;
1.180 daniel 6405: ctxt->disableSAX = 1;
1.24 daniel 6406: } else {
1.152 daniel 6407: if (RAW == ';') {
1.40 daniel 6408: NEXT;
1.24 daniel 6409: /*
1.77 daniel 6410: * Ask first SAX for entity resolution, otherwise try the
6411: * predefined set.
6412: */
6413: if (ctxt->sax != NULL) {
6414: if (ctxt->sax->getEntity != NULL)
6415: ent = ctxt->sax->getEntity(ctxt->userData, name);
6416: if (ent == NULL)
6417: ent = xmlGetPredefinedEntity(name);
6418: }
6419: /*
1.98 daniel 6420: * [ WFC: Entity Declared ]
6421: * In a document without any DTD, a document with only an
6422: * internal DTD subset which contains no parameter entity
6423: * references, or a document with "standalone='yes'", the
6424: * Name given in the entity reference must match that in an
6425: * entity declaration, except that well-formed documents
6426: * need not declare any of the following entities: amp, lt,
6427: * gt, apos, quot.
6428: * The declaration of a parameter entity must precede any
6429: * reference to it.
6430: * Similarly, the declaration of a general entity must
6431: * precede any reference to it which appears in a default
6432: * value in an attribute-list declaration. Note that if
6433: * entities are declared in the external subset or in
6434: * external parameter entities, a non-validating processor
6435: * is not obligated to read and process their declarations;
6436: * for such documents, the rule that an entity must be
6437: * declared is a well-formedness constraint only if
6438: * standalone='yes'.
1.59 daniel 6439: */
1.77 daniel 6440: if (ent == NULL) {
1.98 daniel 6441: if ((ctxt->standalone == 1) ||
6442: ((ctxt->hasExternalSubset == 0) &&
6443: (ctxt->hasPErefs == 0))) {
6444: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1.77 daniel 6445: ctxt->sax->error(ctxt->userData,
6446: "Entity '%s' not defined\n", name);
1.123 daniel 6447: ctxt->errNo = XML_ERR_UNDECLARED_ENTITY;
1.77 daniel 6448: ctxt->wellFormed = 0;
1.180 daniel 6449: ctxt->disableSAX = 1;
1.77 daniel 6450: } else {
1.98 daniel 6451: if ((ctxt->sax != NULL) && (ctxt->sax->warning != NULL))
6452: ctxt->sax->warning(ctxt->userData,
6453: "Entity '%s' not defined\n", name);
1.123 daniel 6454: ctxt->errNo = XML_WAR_UNDECLARED_ENTITY;
1.59 daniel 6455: }
1.77 daniel 6456: }
1.59 daniel 6457:
6458: /*
1.98 daniel 6459: * [ WFC: Parsed Entity ]
6460: * An entity reference must not contain the name of an
6461: * unparsed entity
6462: */
1.159 daniel 6463: else if (ent->etype == XML_EXTERNAL_GENERAL_UNPARSED_ENTITY) {
1.98 daniel 6464: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
6465: ctxt->sax->error(ctxt->userData,
6466: "Entity reference to unparsed entity %s\n", name);
1.123 daniel 6467: ctxt->errNo = XML_ERR_UNPARSED_ENTITY;
1.98 daniel 6468: ctxt->wellFormed = 0;
1.180 daniel 6469: ctxt->disableSAX = 1;
1.98 daniel 6470: }
6471:
6472: /*
6473: * [ WFC: No External Entity References ]
6474: * Attribute values cannot contain direct or indirect
6475: * entity references to external entities.
6476: */
6477: else if ((ctxt->instate == XML_PARSER_ATTRIBUTE_VALUE) &&
1.159 daniel 6478: (ent->etype == XML_EXTERNAL_GENERAL_PARSED_ENTITY)) {
1.98 daniel 6479: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
6480: ctxt->sax->error(ctxt->userData,
6481: "Attribute references external entity '%s'\n", name);
1.123 daniel 6482: ctxt->errNo = XML_ERR_ENTITY_IS_EXTERNAL;
1.98 daniel 6483: ctxt->wellFormed = 0;
1.180 daniel 6484: ctxt->disableSAX = 1;
1.98 daniel 6485: }
6486: /*
6487: * [ WFC: No < in Attribute Values ]
6488: * The replacement text of any entity referred to directly or
6489: * indirectly in an attribute value (other than "<") must
6490: * not contain a <.
1.59 daniel 6491: */
1.98 daniel 6492: else if ((ctxt->instate == XML_PARSER_ATTRIBUTE_VALUE) &&
1.116 daniel 6493: (ent != NULL) &&
6494: (xmlStrcmp(ent->name, BAD_CAST "lt")) &&
1.98 daniel 6495: (ent->content != NULL) &&
6496: (xmlStrchr(ent->content, '<'))) {
6497: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
6498: ctxt->sax->error(ctxt->userData,
6499: "'<' in entity '%s' is not allowed in attributes values\n", name);
1.123 daniel 6500: ctxt->errNo = XML_ERR_LT_IN_ATTRIBUTE;
1.98 daniel 6501: ctxt->wellFormed = 0;
1.180 daniel 6502: ctxt->disableSAX = 1;
1.98 daniel 6503: }
6504:
6505: /*
6506: * Internal check, no parameter entities here ...
6507: */
6508: else {
1.159 daniel 6509: switch (ent->etype) {
1.59 daniel 6510: case XML_INTERNAL_PARAMETER_ENTITY:
6511: case XML_EXTERNAL_PARAMETER_ENTITY:
6512: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1.74 daniel 6513: ctxt->sax->error(ctxt->userData,
1.59 daniel 6514: "Attempt to reference the parameter entity '%s'\n", name);
1.123 daniel 6515: ctxt->errNo = XML_ERR_ENTITY_IS_PARAMETER;
1.59 daniel 6516: ctxt->wellFormed = 0;
1.180 daniel 6517: ctxt->disableSAX = 1;
6518: break;
6519: default:
1.59 daniel 6520: break;
6521: }
6522: }
6523:
6524: /*
1.98 daniel 6525: * [ WFC: No Recursion ]
1.117 daniel 6526: * TODO A parsed entity must not contain a recursive reference
6527: * to itself, either directly or indirectly.
1.59 daniel 6528: */
1.77 daniel 6529:
1.24 daniel 6530: } else {
1.55 daniel 6531: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1.74 daniel 6532: ctxt->sax->error(ctxt->userData,
1.59 daniel 6533: "xmlParseEntityRef: expecting ';'\n");
1.123 daniel 6534: ctxt->errNo = XML_ERR_ENTITYREF_SEMICOL_MISSING;
1.59 daniel 6535: ctxt->wellFormed = 0;
1.180 daniel 6536: ctxt->disableSAX = 1;
1.24 daniel 6537: }
1.119 daniel 6538: xmlFree(name);
1.24 daniel 6539: }
6540: }
1.77 daniel 6541: return(ent);
1.24 daniel 6542: }
1.135 daniel 6543: /**
6544: * xmlParseStringEntityRef:
6545: * @ctxt: an XML parser context
6546: * @str: a pointer to an index in the string
6547: *
6548: * parse ENTITY references declarations, but this version parses it from
6549: * a string value.
6550: *
6551: * [68] EntityRef ::= '&' Name ';'
6552: *
6553: * [ WFC: Entity Declared ]
6554: * In a document without any DTD, a document with only an internal DTD
6555: * subset which contains no parameter entity references, or a document
6556: * with "standalone='yes'", the Name given in the entity reference
6557: * must match that in an entity declaration, except that well-formed
6558: * documents need not declare any of the following entities: amp, lt,
6559: * gt, apos, quot. The declaration of a parameter entity must precede
6560: * any reference to it. Similarly, the declaration of a general entity
6561: * must precede any reference to it which appears in a default value in an
6562: * attribute-list declaration. Note that if entities are declared in the
6563: * external subset or in external parameter entities, a non-validating
6564: * processor is not obligated to read and process their declarations;
6565: * for such documents, the rule that an entity must be declared is a
6566: * well-formedness constraint only if standalone='yes'.
6567: *
6568: * [ WFC: Parsed Entity ]
6569: * An entity reference must not contain the name of an unparsed entity
6570: *
6571: * Returns the xmlEntityPtr if found, or NULL otherwise. The str pointer
6572: * is updated to the current location in the string.
6573: */
6574: xmlEntityPtr
6575: xmlParseStringEntityRef(xmlParserCtxtPtr ctxt, const xmlChar ** str) {
6576: xmlChar *name;
6577: const xmlChar *ptr;
6578: xmlChar cur;
6579: xmlEntityPtr ent = NULL;
6580:
1.156 daniel 6581: if ((str == NULL) || (*str == NULL))
6582: return(NULL);
1.135 daniel 6583: ptr = *str;
6584: cur = *ptr;
6585: if (cur == '&') {
6586: ptr++;
6587: cur = *ptr;
6588: name = xmlParseStringName(ctxt, &ptr);
6589: if (name == NULL) {
6590: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
6591: ctxt->sax->error(ctxt->userData,
6592: "xmlParseEntityRef: no name\n");
6593: ctxt->errNo = XML_ERR_NAME_REQUIRED;
6594: ctxt->wellFormed = 0;
1.180 daniel 6595: ctxt->disableSAX = 1;
1.135 daniel 6596: } else {
1.185 daniel 6597: if (*ptr == ';') {
6598: ptr++;
1.135 daniel 6599: /*
6600: * Ask first SAX for entity resolution, otherwise try the
6601: * predefined set.
6602: */
6603: if (ctxt->sax != NULL) {
6604: if (ctxt->sax->getEntity != NULL)
6605: ent = ctxt->sax->getEntity(ctxt->userData, name);
6606: if (ent == NULL)
6607: ent = xmlGetPredefinedEntity(name);
6608: }
6609: /*
6610: * [ WFC: Entity Declared ]
6611: * In a document without any DTD, a document with only an
6612: * internal DTD subset which contains no parameter entity
6613: * references, or a document with "standalone='yes'", the
6614: * Name given in the entity reference must match that in an
6615: * entity declaration, except that well-formed documents
6616: * need not declare any of the following entities: amp, lt,
6617: * gt, apos, quot.
6618: * The declaration of a parameter entity must precede any
6619: * reference to it.
6620: * Similarly, the declaration of a general entity must
6621: * precede any reference to it which appears in a default
6622: * value in an attribute-list declaration. Note that if
6623: * entities are declared in the external subset or in
6624: * external parameter entities, a non-validating processor
6625: * is not obligated to read and process their declarations;
6626: * for such documents, the rule that an entity must be
6627: * declared is a well-formedness constraint only if
6628: * standalone='yes'.
6629: */
6630: if (ent == NULL) {
6631: if ((ctxt->standalone == 1) ||
6632: ((ctxt->hasExternalSubset == 0) &&
6633: (ctxt->hasPErefs == 0))) {
6634: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
6635: ctxt->sax->error(ctxt->userData,
6636: "Entity '%s' not defined\n", name);
6637: ctxt->errNo = XML_ERR_UNDECLARED_ENTITY;
6638: ctxt->wellFormed = 0;
1.180 daniel 6639: ctxt->disableSAX = 1;
1.135 daniel 6640: } else {
6641: if ((ctxt->sax != NULL) && (ctxt->sax->warning != NULL))
6642: ctxt->sax->warning(ctxt->userData,
6643: "Entity '%s' not defined\n", name);
6644: ctxt->errNo = XML_WAR_UNDECLARED_ENTITY;
6645: }
6646: }
6647:
6648: /*
6649: * [ WFC: Parsed Entity ]
6650: * An entity reference must not contain the name of an
6651: * unparsed entity
6652: */
1.159 daniel 6653: else if (ent->etype == XML_EXTERNAL_GENERAL_UNPARSED_ENTITY) {
1.135 daniel 6654: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
6655: ctxt->sax->error(ctxt->userData,
6656: "Entity reference to unparsed entity %s\n", name);
6657: ctxt->errNo = XML_ERR_UNPARSED_ENTITY;
6658: ctxt->wellFormed = 0;
1.180 daniel 6659: ctxt->disableSAX = 1;
1.135 daniel 6660: }
6661:
6662: /*
6663: * [ WFC: No External Entity References ]
6664: * Attribute values cannot contain direct or indirect
6665: * entity references to external entities.
6666: */
6667: else if ((ctxt->instate == XML_PARSER_ATTRIBUTE_VALUE) &&
1.159 daniel 6668: (ent->etype == XML_EXTERNAL_GENERAL_PARSED_ENTITY)) {
1.135 daniel 6669: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
6670: ctxt->sax->error(ctxt->userData,
6671: "Attribute references external entity '%s'\n", name);
6672: ctxt->errNo = XML_ERR_ENTITY_IS_EXTERNAL;
6673: ctxt->wellFormed = 0;
1.180 daniel 6674: ctxt->disableSAX = 1;
1.135 daniel 6675: }
6676: /*
6677: * [ WFC: No < in Attribute Values ]
6678: * The replacement text of any entity referred to directly or
6679: * indirectly in an attribute value (other than "<") must
6680: * not contain a <.
6681: */
6682: else if ((ctxt->instate == XML_PARSER_ATTRIBUTE_VALUE) &&
6683: (ent != NULL) &&
6684: (xmlStrcmp(ent->name, BAD_CAST "lt")) &&
6685: (ent->content != NULL) &&
6686: (xmlStrchr(ent->content, '<'))) {
6687: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
6688: ctxt->sax->error(ctxt->userData,
6689: "'<' in entity '%s' is not allowed in attributes values\n", name);
6690: ctxt->errNo = XML_ERR_LT_IN_ATTRIBUTE;
6691: ctxt->wellFormed = 0;
1.180 daniel 6692: ctxt->disableSAX = 1;
1.135 daniel 6693: }
6694:
6695: /*
6696: * Internal check, no parameter entities here ...
6697: */
6698: else {
1.159 daniel 6699: switch (ent->etype) {
1.135 daniel 6700: case XML_INTERNAL_PARAMETER_ENTITY:
6701: case XML_EXTERNAL_PARAMETER_ENTITY:
6702: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
6703: ctxt->sax->error(ctxt->userData,
6704: "Attempt to reference the parameter entity '%s'\n", name);
6705: ctxt->errNo = XML_ERR_ENTITY_IS_PARAMETER;
6706: ctxt->wellFormed = 0;
1.180 daniel 6707: ctxt->disableSAX = 1;
6708: break;
6709: default:
1.135 daniel 6710: break;
6711: }
6712: }
6713:
6714: /*
6715: * [ WFC: No Recursion ]
6716: * TODO A parsed entity must not contain a recursive reference
6717: * to itself, either directly or indirectly.
6718: */
6719:
6720: } else {
6721: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
6722: ctxt->sax->error(ctxt->userData,
6723: "xmlParseEntityRef: expecting ';'\n");
6724: ctxt->errNo = XML_ERR_ENTITYREF_SEMICOL_MISSING;
6725: ctxt->wellFormed = 0;
1.180 daniel 6726: ctxt->disableSAX = 1;
1.135 daniel 6727: }
6728: xmlFree(name);
6729: }
6730: }
1.185 daniel 6731: *str = ptr;
1.135 daniel 6732: return(ent);
6733: }
1.24 daniel 6734:
1.50 daniel 6735: /**
6736: * xmlParsePEReference:
6737: * @ctxt: an XML parser context
6738: *
6739: * parse PEReference declarations
1.77 daniel 6740: * The entity content is handled directly by pushing it's content as
6741: * a new input stream.
1.22 daniel 6742: *
6743: * [69] PEReference ::= '%' Name ';'
1.68 daniel 6744: *
1.98 daniel 6745: * [ WFC: No Recursion ]
6746: * TODO A parsed entity must not contain a recursive
6747: * reference to itself, either directly or indirectly.
6748: *
6749: * [ WFC: Entity Declared ]
6750: * In a document without any DTD, a document with only an internal DTD
6751: * subset which contains no parameter entity references, or a document
6752: * with "standalone='yes'", ... ... The declaration of a parameter
6753: * entity must precede any reference to it...
6754: *
6755: * [ VC: Entity Declared ]
6756: * In a document with an external subset or external parameter entities
6757: * with "standalone='no'", ... ... The declaration of a parameter entity
6758: * must precede any reference to it...
6759: *
6760: * [ WFC: In DTD ]
6761: * Parameter-entity references may only appear in the DTD.
6762: * NOTE: misleading but this is handled.
1.22 daniel 6763: */
1.77 daniel 6764: void
1.55 daniel 6765: xmlParsePEReference(xmlParserCtxtPtr ctxt) {
1.123 daniel 6766: xmlChar *name;
1.72 daniel 6767: xmlEntityPtr entity = NULL;
1.50 daniel 6768: xmlParserInputPtr input;
1.22 daniel 6769:
1.152 daniel 6770: if (RAW == '%') {
1.40 daniel 6771: NEXT;
1.22 daniel 6772: name = xmlParseName(ctxt);
6773: if (name == NULL) {
1.55 daniel 6774: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1.122 daniel 6775: ctxt->sax->error(ctxt->userData,
6776: "xmlParsePEReference: no name\n");
1.123 daniel 6777: ctxt->errNo = XML_ERR_NAME_REQUIRED;
1.59 daniel 6778: ctxt->wellFormed = 0;
1.180 daniel 6779: ctxt->disableSAX = 1;
1.22 daniel 6780: } else {
1.152 daniel 6781: if (RAW == ';') {
1.40 daniel 6782: NEXT;
1.98 daniel 6783: if ((ctxt->sax != NULL) &&
6784: (ctxt->sax->getParameterEntity != NULL))
6785: entity = ctxt->sax->getParameterEntity(ctxt->userData,
6786: name);
1.45 daniel 6787: if (entity == NULL) {
1.98 daniel 6788: /*
6789: * [ WFC: Entity Declared ]
6790: * In a document without any DTD, a document with only an
6791: * internal DTD subset which contains no parameter entity
6792: * references, or a document with "standalone='yes'", ...
6793: * ... The declaration of a parameter entity must precede
6794: * any reference to it...
6795: */
6796: if ((ctxt->standalone == 1) ||
6797: ((ctxt->hasExternalSubset == 0) &&
6798: (ctxt->hasPErefs == 0))) {
6799: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
6800: ctxt->sax->error(ctxt->userData,
6801: "PEReference: %%%s; not found\n", name);
1.123 daniel 6802: ctxt->errNo = XML_ERR_UNDECLARED_ENTITY;
1.98 daniel 6803: ctxt->wellFormed = 0;
1.180 daniel 6804: ctxt->disableSAX = 1;
1.98 daniel 6805: } else {
6806: /*
6807: * [ VC: Entity Declared ]
6808: * In a document with an external subset or external
6809: * parameter entities with "standalone='no'", ...
6810: * ... The declaration of a parameter entity must precede
6811: * any reference to it...
6812: */
6813: if ((ctxt->sax != NULL) && (ctxt->sax->warning != NULL))
6814: ctxt->sax->warning(ctxt->userData,
6815: "PEReference: %%%s; not found\n", name);
6816: ctxt->valid = 0;
6817: }
1.50 daniel 6818: } else {
1.98 daniel 6819: /*
6820: * Internal checking in case the entity quest barfed
6821: */
1.159 daniel 6822: if ((entity->etype != XML_INTERNAL_PARAMETER_ENTITY) &&
6823: (entity->etype != XML_EXTERNAL_PARAMETER_ENTITY)) {
1.98 daniel 6824: if ((ctxt->sax != NULL) && (ctxt->sax->warning != NULL))
6825: ctxt->sax->warning(ctxt->userData,
6826: "Internal: %%%s; is not a parameter entity\n", name);
6827: } else {
1.164 daniel 6828: /*
6829: * TODO !!!
6830: * handle the extra spaces added before and after
6831: * c.f. http://www.w3.org/TR/REC-xml#as-PE
6832: */
1.98 daniel 6833: input = xmlNewEntityInputStream(ctxt, entity);
6834: xmlPushInput(ctxt, input);
1.164 daniel 6835: if ((entity->etype == XML_EXTERNAL_PARAMETER_ENTITY) &&
6836: (RAW == '<') && (NXT(1) == '?') &&
6837: (NXT(2) == 'x') && (NXT(3) == 'm') &&
6838: (NXT(4) == 'l') && (IS_BLANK(NXT(5)))) {
1.172 daniel 6839: xmlParseTextDecl(ctxt);
1.164 daniel 6840: }
6841: if (ctxt->token == 0)
6842: ctxt->token = ' ';
1.98 daniel 6843: }
1.45 daniel 6844: }
1.98 daniel 6845: ctxt->hasPErefs = 1;
1.22 daniel 6846: } else {
1.55 daniel 6847: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1.74 daniel 6848: ctxt->sax->error(ctxt->userData,
1.59 daniel 6849: "xmlParsePEReference: expecting ';'\n");
1.123 daniel 6850: ctxt->errNo = XML_ERR_ENTITYREF_SEMICOL_MISSING;
1.59 daniel 6851: ctxt->wellFormed = 0;
1.180 daniel 6852: ctxt->disableSAX = 1;
1.22 daniel 6853: }
1.119 daniel 6854: xmlFree(name);
1.3 veillard 6855: }
6856: }
6857: }
6858:
1.50 daniel 6859: /**
1.135 daniel 6860: * xmlParseStringPEReference:
6861: * @ctxt: an XML parser context
6862: * @str: a pointer to an index in the string
6863: *
6864: * parse PEReference declarations
6865: *
6866: * [69] PEReference ::= '%' Name ';'
6867: *
6868: * [ WFC: No Recursion ]
6869: * TODO A parsed entity must not contain a recursive
6870: * reference to itself, either directly or indirectly.
6871: *
6872: * [ WFC: Entity Declared ]
6873: * In a document without any DTD, a document with only an internal DTD
6874: * subset which contains no parameter entity references, or a document
6875: * with "standalone='yes'", ... ... The declaration of a parameter
6876: * entity must precede any reference to it...
6877: *
6878: * [ VC: Entity Declared ]
6879: * In a document with an external subset or external parameter entities
6880: * with "standalone='no'", ... ... The declaration of a parameter entity
6881: * must precede any reference to it...
6882: *
6883: * [ WFC: In DTD ]
6884: * Parameter-entity references may only appear in the DTD.
6885: * NOTE: misleading but this is handled.
6886: *
6887: * Returns the string of the entity content.
6888: * str is updated to the current value of the index
6889: */
6890: xmlEntityPtr
6891: xmlParseStringPEReference(xmlParserCtxtPtr ctxt, const xmlChar **str) {
6892: const xmlChar *ptr;
6893: xmlChar cur;
6894: xmlChar *name;
6895: xmlEntityPtr entity = NULL;
6896:
6897: if ((str == NULL) || (*str == NULL)) return(NULL);
6898: ptr = *str;
6899: cur = *ptr;
6900: if (cur == '%') {
6901: ptr++;
6902: cur = *ptr;
6903: name = xmlParseStringName(ctxt, &ptr);
6904: if (name == NULL) {
6905: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
6906: ctxt->sax->error(ctxt->userData,
6907: "xmlParseStringPEReference: no name\n");
6908: ctxt->errNo = XML_ERR_NAME_REQUIRED;
6909: ctxt->wellFormed = 0;
1.180 daniel 6910: ctxt->disableSAX = 1;
1.135 daniel 6911: } else {
6912: cur = *ptr;
6913: if (cur == ';') {
6914: ptr++;
6915: cur = *ptr;
6916: if ((ctxt->sax != NULL) &&
6917: (ctxt->sax->getParameterEntity != NULL))
6918: entity = ctxt->sax->getParameterEntity(ctxt->userData,
6919: name);
6920: if (entity == NULL) {
6921: /*
6922: * [ WFC: Entity Declared ]
6923: * In a document without any DTD, a document with only an
6924: * internal DTD subset which contains no parameter entity
6925: * references, or a document with "standalone='yes'", ...
6926: * ... The declaration of a parameter entity must precede
6927: * any reference to it...
6928: */
6929: if ((ctxt->standalone == 1) ||
6930: ((ctxt->hasExternalSubset == 0) &&
6931: (ctxt->hasPErefs == 0))) {
6932: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
6933: ctxt->sax->error(ctxt->userData,
6934: "PEReference: %%%s; not found\n", name);
6935: ctxt->errNo = XML_ERR_UNDECLARED_ENTITY;
6936: ctxt->wellFormed = 0;
1.180 daniel 6937: ctxt->disableSAX = 1;
1.135 daniel 6938: } else {
6939: /*
6940: * [ VC: Entity Declared ]
6941: * In a document with an external subset or external
6942: * parameter entities with "standalone='no'", ...
6943: * ... The declaration of a parameter entity must
6944: * precede any reference to it...
6945: */
6946: if ((ctxt->sax != NULL) && (ctxt->sax->warning != NULL))
6947: ctxt->sax->warning(ctxt->userData,
6948: "PEReference: %%%s; not found\n", name);
6949: ctxt->valid = 0;
6950: }
6951: } else {
6952: /*
6953: * Internal checking in case the entity quest barfed
6954: */
1.159 daniel 6955: if ((entity->etype != XML_INTERNAL_PARAMETER_ENTITY) &&
6956: (entity->etype != XML_EXTERNAL_PARAMETER_ENTITY)) {
1.135 daniel 6957: if ((ctxt->sax != NULL) && (ctxt->sax->warning != NULL))
6958: ctxt->sax->warning(ctxt->userData,
6959: "Internal: %%%s; is not a parameter entity\n", name);
6960: }
6961: }
6962: ctxt->hasPErefs = 1;
6963: } else {
6964: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
6965: ctxt->sax->error(ctxt->userData,
6966: "xmlParseStringPEReference: expecting ';'\n");
6967: ctxt->errNo = XML_ERR_ENTITYREF_SEMICOL_MISSING;
6968: ctxt->wellFormed = 0;
1.180 daniel 6969: ctxt->disableSAX = 1;
1.135 daniel 6970: }
6971: xmlFree(name);
6972: }
6973: }
6974: *str = ptr;
6975: return(entity);
6976: }
6977:
6978: /**
1.181 daniel 6979: * xmlParseDocTypeDecl:
1.50 daniel 6980: * @ctxt: an XML parser context
6981: *
6982: * parse a DOCTYPE declaration
1.21 daniel 6983: *
1.22 daniel 6984: * [28] doctypedecl ::= '<!DOCTYPE' S Name (S ExternalID)? S?
6985: * ('[' (markupdecl | PEReference | S)* ']' S?)? '>'
1.98 daniel 6986: *
6987: * [ VC: Root Element Type ]
1.99 daniel 6988: * The Name in the document type declaration must match the element
1.98 daniel 6989: * type of the root element.
1.21 daniel 6990: */
6991:
1.55 daniel 6992: void
6993: xmlParseDocTypeDecl(xmlParserCtxtPtr ctxt) {
1.165 daniel 6994: xmlChar *name = NULL;
1.123 daniel 6995: xmlChar *ExternalID = NULL;
6996: xmlChar *URI = NULL;
1.21 daniel 6997:
6998: /*
6999: * We know that '<!DOCTYPE' has been detected.
7000: */
1.40 daniel 7001: SKIP(9);
1.21 daniel 7002:
1.42 daniel 7003: SKIP_BLANKS;
1.21 daniel 7004:
7005: /*
7006: * Parse the DOCTYPE name.
7007: */
7008: name = xmlParseName(ctxt);
7009: if (name == NULL) {
1.55 daniel 7010: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1.122 daniel 7011: ctxt->sax->error(ctxt->userData,
7012: "xmlParseDocTypeDecl : no DOCTYPE name !\n");
1.59 daniel 7013: ctxt->wellFormed = 0;
1.180 daniel 7014: ctxt->disableSAX = 1;
1.123 daniel 7015: ctxt->errNo = XML_ERR_NAME_REQUIRED;
1.21 daniel 7016: }
1.165 daniel 7017: ctxt->intSubName = name;
1.21 daniel 7018:
1.42 daniel 7019: SKIP_BLANKS;
1.21 daniel 7020:
7021: /*
1.22 daniel 7022: * Check for SystemID and ExternalID
7023: */
1.67 daniel 7024: URI = xmlParseExternalID(ctxt, &ExternalID, 1);
1.98 daniel 7025:
7026: if ((URI != NULL) || (ExternalID != NULL)) {
7027: ctxt->hasExternalSubset = 1;
7028: }
1.165 daniel 7029: ctxt->extSubURI = URI;
7030: ctxt->extSubSystem = ExternalID;
1.98 daniel 7031:
1.42 daniel 7032: SKIP_BLANKS;
1.36 daniel 7033:
1.76 daniel 7034: /*
1.165 daniel 7035: * Create and update the internal subset.
1.76 daniel 7036: */
1.171 daniel 7037: if ((ctxt->sax != NULL) && (ctxt->sax->internalSubset != NULL) &&
7038: (!ctxt->disableSAX))
1.74 daniel 7039: ctxt->sax->internalSubset(ctxt->userData, name, ExternalID, URI);
1.22 daniel 7040:
7041: /*
1.140 daniel 7042: * Is there any internal subset declarations ?
7043: * they are handled separately in xmlParseInternalSubset()
7044: */
1.152 daniel 7045: if (RAW == '[')
1.140 daniel 7046: return;
7047:
7048: /*
7049: * We should be at the end of the DOCTYPE declaration.
7050: */
1.152 daniel 7051: if (RAW != '>') {
1.140 daniel 7052: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
7053: ctxt->sax->error(ctxt->userData, "DOCTYPE unproperly terminated\n");
7054: ctxt->wellFormed = 0;
1.180 daniel 7055: ctxt->disableSAX = 1;
1.140 daniel 7056: ctxt->errNo = XML_ERR_DOCTYPE_NOT_FINISHED;
7057: }
7058: NEXT;
7059: }
7060:
7061: /**
1.181 daniel 7062: * xmlParseInternalsubset:
1.140 daniel 7063: * @ctxt: an XML parser context
7064: *
7065: * parse the internal subset declaration
7066: *
7067: * [28 end] ('[' (markupdecl | PEReference | S)* ']' S?)? '>'
7068: */
7069:
7070: void
7071: xmlParseInternalSubset(xmlParserCtxtPtr ctxt) {
7072: /*
1.22 daniel 7073: * Is there any DTD definition ?
7074: */
1.152 daniel 7075: if (RAW == '[') {
1.96 daniel 7076: ctxt->instate = XML_PARSER_DTD;
1.40 daniel 7077: NEXT;
1.22 daniel 7078: /*
7079: * Parse the succession of Markup declarations and
7080: * PEReferences.
7081: * Subsequence (markupdecl | PEReference | S)*
7082: */
1.152 daniel 7083: while (RAW != ']') {
1.123 daniel 7084: const xmlChar *check = CUR_PTR;
1.115 daniel 7085: int cons = ctxt->input->consumed;
1.22 daniel 7086:
1.42 daniel 7087: SKIP_BLANKS;
1.22 daniel 7088: xmlParseMarkupDecl(ctxt);
1.50 daniel 7089: xmlParsePEReference(ctxt);
1.22 daniel 7090:
1.115 daniel 7091: /*
7092: * Pop-up of finished entities.
7093: */
1.152 daniel 7094: while ((RAW == 0) && (ctxt->inputNr > 1))
1.115 daniel 7095: xmlPopInput(ctxt);
7096:
1.118 daniel 7097: if ((CUR_PTR == check) && (cons == ctxt->input->consumed)) {
1.55 daniel 7098: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1.74 daniel 7099: ctxt->sax->error(ctxt->userData,
1.140 daniel 7100: "xmlParseInternalSubset: error detected in Markup declaration\n");
1.59 daniel 7101: ctxt->wellFormed = 0;
1.180 daniel 7102: ctxt->disableSAX = 1;
1.123 daniel 7103: ctxt->errNo = XML_ERR_INTERNAL_ERROR;
1.22 daniel 7104: break;
7105: }
7106: }
1.152 daniel 7107: if (RAW == ']') NEXT;
1.22 daniel 7108: }
7109:
7110: /*
7111: * We should be at the end of the DOCTYPE declaration.
1.21 daniel 7112: */
1.152 daniel 7113: if (RAW != '>') {
1.55 daniel 7114: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1.74 daniel 7115: ctxt->sax->error(ctxt->userData, "DOCTYPE unproperly terminated\n");
1.59 daniel 7116: ctxt->wellFormed = 0;
1.180 daniel 7117: ctxt->disableSAX = 1;
1.123 daniel 7118: ctxt->errNo = XML_ERR_DOCTYPE_NOT_FINISHED;
1.21 daniel 7119: }
1.40 daniel 7120: NEXT;
1.21 daniel 7121: }
7122:
1.50 daniel 7123: /**
7124: * xmlParseAttribute:
7125: * @ctxt: an XML parser context
1.123 daniel 7126: * @value: a xmlChar ** used to store the value of the attribute
1.50 daniel 7127: *
7128: * parse an attribute
1.3 veillard 7129: *
1.22 daniel 7130: * [41] Attribute ::= Name Eq AttValue
7131: *
1.98 daniel 7132: * [ WFC: No External Entity References ]
7133: * Attribute values cannot contain direct or indirect entity references
7134: * to external entities.
7135: *
7136: * [ WFC: No < in Attribute Values ]
7137: * The replacement text of any entity referred to directly or indirectly in
7138: * an attribute value (other than "<") must not contain a <.
7139: *
7140: * [ VC: Attribute Value Type ]
1.117 daniel 7141: * The attribute must have been declared; the value must be of the type
1.99 daniel 7142: * declared for it.
1.98 daniel 7143: *
1.22 daniel 7144: * [25] Eq ::= S? '=' S?
7145: *
1.29 daniel 7146: * With namespace:
7147: *
7148: * [NS 11] Attribute ::= QName Eq AttValue
1.43 daniel 7149: *
7150: * Also the case QName == xmlns:??? is handled independently as a namespace
7151: * definition.
1.69 daniel 7152: *
1.72 daniel 7153: * Returns the attribute name, and the value in *value.
1.3 veillard 7154: */
7155:
1.123 daniel 7156: xmlChar *
7157: xmlParseAttribute(xmlParserCtxtPtr ctxt, xmlChar **value) {
7158: xmlChar *name, *val;
1.3 veillard 7159:
1.72 daniel 7160: *value = NULL;
7161: name = xmlParseName(ctxt);
1.22 daniel 7162: if (name == NULL) {
1.55 daniel 7163: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1.74 daniel 7164: ctxt->sax->error(ctxt->userData, "error parsing attribute name\n");
1.59 daniel 7165: ctxt->wellFormed = 0;
1.180 daniel 7166: ctxt->disableSAX = 1;
1.123 daniel 7167: ctxt->errNo = XML_ERR_NAME_REQUIRED;
1.52 daniel 7168: return(NULL);
1.3 veillard 7169: }
7170:
7171: /*
1.29 daniel 7172: * read the value
1.3 veillard 7173: */
1.42 daniel 7174: SKIP_BLANKS;
1.152 daniel 7175: if (RAW == '=') {
1.40 daniel 7176: NEXT;
1.42 daniel 7177: SKIP_BLANKS;
1.72 daniel 7178: val = xmlParseAttValue(ctxt);
1.96 daniel 7179: ctxt->instate = XML_PARSER_CONTENT;
1.29 daniel 7180: } else {
1.55 daniel 7181: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1.74 daniel 7182: ctxt->sax->error(ctxt->userData,
1.59 daniel 7183: "Specification mandate value for attribute %s\n", name);
1.123 daniel 7184: ctxt->errNo = XML_ERR_ATTRIBUTE_WITHOUT_VALUE;
1.59 daniel 7185: ctxt->wellFormed = 0;
1.180 daniel 7186: ctxt->disableSAX = 1;
1.170 daniel 7187: xmlFree(name);
1.52 daniel 7188: return(NULL);
1.43 daniel 7189: }
7190:
1.172 daniel 7191: /*
7192: * Check that xml:lang conforms to the specification
7193: */
7194: if (!xmlStrcmp(name, BAD_CAST "xml:lang")) {
7195: if (!xmlCheckLanguageID(val)) {
7196: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
7197: ctxt->sax->error(ctxt->userData,
7198: "Invalid value for xml:lang : %s\n", val);
7199: ctxt->errNo = XML_ERR_ATTRIBUTE_WITHOUT_VALUE;
7200: ctxt->wellFormed = 0;
1.180 daniel 7201: ctxt->disableSAX = 1;
1.172 daniel 7202: }
7203: }
7204:
1.176 daniel 7205: /*
7206: * Check that xml:space conforms to the specification
7207: */
7208: if (!xmlStrcmp(name, BAD_CAST "xml:space")) {
7209: if (!xmlStrcmp(val, BAD_CAST "default"))
7210: *(ctxt->space) = 0;
7211: else if (!xmlStrcmp(val, BAD_CAST "preserve"))
7212: *(ctxt->space) = 1;
7213: else {
7214: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
7215: ctxt->sax->error(ctxt->userData,
7216: "Invalid value for xml:space : \"%s\", \"default\" or \"preserve\" expected\n",
7217: val);
7218: ctxt->errNo = XML_ERR_ATTRIBUTE_WITHOUT_VALUE;
7219: ctxt->wellFormed = 0;
1.180 daniel 7220: ctxt->disableSAX = 1;
1.176 daniel 7221: }
7222: }
7223:
1.72 daniel 7224: *value = val;
7225: return(name);
1.3 veillard 7226: }
7227:
1.50 daniel 7228: /**
7229: * xmlParseStartTag:
7230: * @ctxt: an XML parser context
7231: *
7232: * parse a start of tag either for rule element or
7233: * EmptyElement. In both case we don't parse the tag closing chars.
1.27 daniel 7234: *
7235: * [40] STag ::= '<' Name (S Attribute)* S? '>'
7236: *
1.98 daniel 7237: * [ WFC: Unique Att Spec ]
7238: * No attribute name may appear more than once in the same start-tag or
7239: * empty-element tag.
7240: *
1.29 daniel 7241: * [44] EmptyElemTag ::= '<' Name (S Attribute)* S? '/>'
7242: *
1.98 daniel 7243: * [ WFC: Unique Att Spec ]
7244: * No attribute name may appear more than once in the same start-tag or
7245: * empty-element tag.
7246: *
1.29 daniel 7247: * With namespace:
7248: *
7249: * [NS 8] STag ::= '<' QName (S Attribute)* S? '>'
7250: *
7251: * [NS 10] EmptyElement ::= '<' QName (S Attribute)* S? '/>'
1.83 daniel 7252: *
1.129 daniel 7253: * Returne the element name parsed
1.2 veillard 7254: */
7255:
1.123 daniel 7256: xmlChar *
1.69 daniel 7257: xmlParseStartTag(xmlParserCtxtPtr ctxt) {
1.123 daniel 7258: xmlChar *name;
7259: xmlChar *attname;
7260: xmlChar *attvalue;
7261: const xmlChar **atts = NULL;
1.72 daniel 7262: int nbatts = 0;
7263: int maxatts = 0;
7264: int i;
1.2 veillard 7265:
1.152 daniel 7266: if (RAW != '<') return(NULL);
1.40 daniel 7267: NEXT;
1.3 veillard 7268:
1.72 daniel 7269: name = xmlParseName(ctxt);
1.59 daniel 7270: if (name == NULL) {
7271: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1.74 daniel 7272: ctxt->sax->error(ctxt->userData,
1.59 daniel 7273: "xmlParseStartTag: invalid element name\n");
1.123 daniel 7274: ctxt->errNo = XML_ERR_NAME_REQUIRED;
1.59 daniel 7275: ctxt->wellFormed = 0;
1.180 daniel 7276: ctxt->disableSAX = 1;
1.83 daniel 7277: return(NULL);
1.50 daniel 7278: }
7279:
7280: /*
1.3 veillard 7281: * Now parse the attributes, it ends up with the ending
7282: *
7283: * (S Attribute)* S?
7284: */
1.42 daniel 7285: SKIP_BLANKS;
1.91 daniel 7286: GROW;
1.168 daniel 7287:
1.153 daniel 7288: while ((IS_CHAR(RAW)) &&
1.152 daniel 7289: (RAW != '>') &&
7290: ((RAW != '/') || (NXT(1) != '>'))) {
1.123 daniel 7291: const xmlChar *q = CUR_PTR;
1.91 daniel 7292: int cons = ctxt->input->consumed;
1.29 daniel 7293:
1.72 daniel 7294: attname = xmlParseAttribute(ctxt, &attvalue);
7295: if ((attname != NULL) && (attvalue != NULL)) {
7296: /*
1.98 daniel 7297: * [ WFC: Unique Att Spec ]
7298: * No attribute name may appear more than once in the same
7299: * start-tag or empty-element tag.
1.72 daniel 7300: */
7301: for (i = 0; i < nbatts;i += 2) {
7302: if (!xmlStrcmp(atts[i], attname)) {
7303: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1.98 daniel 7304: ctxt->sax->error(ctxt->userData,
7305: "Attribute %s redefined\n",
7306: attname);
1.72 daniel 7307: ctxt->wellFormed = 0;
1.180 daniel 7308: ctxt->disableSAX = 1;
1.123 daniel 7309: ctxt->errNo = XML_ERR_ATTRIBUTE_REDEFINED;
1.119 daniel 7310: xmlFree(attname);
7311: xmlFree(attvalue);
1.98 daniel 7312: goto failed;
1.72 daniel 7313: }
7314: }
7315:
7316: /*
7317: * Add the pair to atts
7318: */
7319: if (atts == NULL) {
7320: maxatts = 10;
1.123 daniel 7321: atts = (const xmlChar **) xmlMalloc(maxatts * sizeof(xmlChar *));
1.72 daniel 7322: if (atts == NULL) {
1.86 daniel 7323: fprintf(stderr, "malloc of %ld byte failed\n",
1.123 daniel 7324: maxatts * (long)sizeof(xmlChar *));
1.83 daniel 7325: return(NULL);
1.72 daniel 7326: }
1.127 daniel 7327: } else if (nbatts + 4 > maxatts) {
1.72 daniel 7328: maxatts *= 2;
1.123 daniel 7329: atts = (const xmlChar **) xmlRealloc(atts,
7330: maxatts * sizeof(xmlChar *));
1.72 daniel 7331: if (atts == NULL) {
1.86 daniel 7332: fprintf(stderr, "realloc of %ld byte failed\n",
1.123 daniel 7333: maxatts * (long)sizeof(xmlChar *));
1.83 daniel 7334: return(NULL);
1.72 daniel 7335: }
7336: }
7337: atts[nbatts++] = attname;
7338: atts[nbatts++] = attvalue;
7339: atts[nbatts] = NULL;
7340: atts[nbatts + 1] = NULL;
1.176 daniel 7341: } else {
7342: if (attname != NULL)
7343: xmlFree(attname);
7344: if (attvalue != NULL)
7345: xmlFree(attvalue);
1.72 daniel 7346: }
7347:
1.116 daniel 7348: failed:
1.168 daniel 7349:
7350: if ((RAW == '>') || (((RAW == '/') && (NXT(1) == '>'))))
7351: break;
7352: if (!IS_BLANK(RAW)) {
7353: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
7354: ctxt->sax->error(ctxt->userData,
7355: "attributes construct error\n");
7356: ctxt->errNo = XML_ERR_SPACE_REQUIRED;
7357: ctxt->wellFormed = 0;
1.180 daniel 7358: ctxt->disableSAX = 1;
1.168 daniel 7359: }
1.42 daniel 7360: SKIP_BLANKS;
1.91 daniel 7361: if ((cons == ctxt->input->consumed) && (q == CUR_PTR)) {
1.55 daniel 7362: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1.74 daniel 7363: ctxt->sax->error(ctxt->userData,
1.31 daniel 7364: "xmlParseStartTag: problem parsing attributes\n");
1.123 daniel 7365: ctxt->errNo = XML_ERR_INTERNAL_ERROR;
1.59 daniel 7366: ctxt->wellFormed = 0;
1.180 daniel 7367: ctxt->disableSAX = 1;
1.29 daniel 7368: break;
1.3 veillard 7369: }
1.91 daniel 7370: GROW;
1.3 veillard 7371: }
7372:
1.43 daniel 7373: /*
1.72 daniel 7374: * SAX: Start of Element !
1.43 daniel 7375: */
1.171 daniel 7376: if ((ctxt->sax != NULL) && (ctxt->sax->startElement != NULL) &&
7377: (!ctxt->disableSAX))
1.74 daniel 7378: ctxt->sax->startElement(ctxt->userData, name, atts);
1.43 daniel 7379:
1.72 daniel 7380: if (atts != NULL) {
1.123 daniel 7381: for (i = 0;i < nbatts;i++) xmlFree((xmlChar *) atts[i]);
1.119 daniel 7382: xmlFree(atts);
1.72 daniel 7383: }
1.83 daniel 7384: return(name);
1.3 veillard 7385: }
7386:
1.50 daniel 7387: /**
7388: * xmlParseEndTag:
7389: * @ctxt: an XML parser context
7390: *
7391: * parse an end of tag
1.27 daniel 7392: *
7393: * [42] ETag ::= '</' Name S? '>'
1.29 daniel 7394: *
7395: * With namespace
7396: *
1.72 daniel 7397: * [NS 9] ETag ::= '</' QName S? '>'
1.7 veillard 7398: */
7399:
1.55 daniel 7400: void
1.140 daniel 7401: xmlParseEndTag(xmlParserCtxtPtr ctxt) {
1.123 daniel 7402: xmlChar *name;
1.140 daniel 7403: xmlChar *oldname;
1.7 veillard 7404:
1.91 daniel 7405: GROW;
1.152 daniel 7406: if ((RAW != '<') || (NXT(1) != '/')) {
1.55 daniel 7407: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1.74 daniel 7408: ctxt->sax->error(ctxt->userData, "xmlParseEndTag: '</' not found\n");
1.59 daniel 7409: ctxt->wellFormed = 0;
1.180 daniel 7410: ctxt->disableSAX = 1;
1.123 daniel 7411: ctxt->errNo = XML_ERR_LTSLASH_REQUIRED;
1.27 daniel 7412: return;
7413: }
1.40 daniel 7414: SKIP(2);
1.7 veillard 7415:
1.72 daniel 7416: name = xmlParseName(ctxt);
1.7 veillard 7417:
7418: /*
7419: * We should definitely be at the ending "S? '>'" part
7420: */
1.91 daniel 7421: GROW;
1.42 daniel 7422: SKIP_BLANKS;
1.153 daniel 7423: if ((!IS_CHAR(RAW)) || (RAW != '>')) {
1.55 daniel 7424: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1.74 daniel 7425: ctxt->sax->error(ctxt->userData, "End tag : expected '>'\n");
1.123 daniel 7426: ctxt->errNo = XML_ERR_GT_REQUIRED;
1.59 daniel 7427: ctxt->wellFormed = 0;
1.180 daniel 7428: ctxt->disableSAX = 1;
1.7 veillard 7429: } else
1.40 daniel 7430: NEXT;
1.7 veillard 7431:
1.72 daniel 7432: /*
1.98 daniel 7433: * [ WFC: Element Type Match ]
7434: * The Name in an element's end-tag must match the element type in the
7435: * start-tag.
7436: *
1.83 daniel 7437: */
1.147 daniel 7438: if ((name == NULL) || (ctxt->name == NULL) ||
7439: (xmlStrcmp(name, ctxt->name))) {
7440: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL)) {
7441: if ((name != NULL) && (ctxt->name != NULL)) {
7442: ctxt->sax->error(ctxt->userData,
7443: "Opening and ending tag mismatch: %s and %s\n",
7444: ctxt->name, name);
7445: } else if (ctxt->name != NULL) {
7446: ctxt->sax->error(ctxt->userData,
7447: "Ending tag eror for: %s\n", ctxt->name);
7448: } else {
7449: ctxt->sax->error(ctxt->userData,
7450: "Ending tag error: internal error ???\n");
7451: }
1.122 daniel 7452:
1.147 daniel 7453: }
1.123 daniel 7454: ctxt->errNo = XML_ERR_TAG_NAME_MISMATCH;
1.83 daniel 7455: ctxt->wellFormed = 0;
1.180 daniel 7456: ctxt->disableSAX = 1;
1.83 daniel 7457: }
7458:
7459: /*
1.72 daniel 7460: * SAX: End of Tag
7461: */
1.171 daniel 7462: if ((ctxt->sax != NULL) && (ctxt->sax->endElement != NULL) &&
7463: (!ctxt->disableSAX))
1.74 daniel 7464: ctxt->sax->endElement(ctxt->userData, name);
1.72 daniel 7465:
7466: if (name != NULL)
1.119 daniel 7467: xmlFree(name);
1.140 daniel 7468: oldname = namePop(ctxt);
1.176 daniel 7469: spacePop(ctxt);
1.140 daniel 7470: if (oldname != NULL) {
7471: #ifdef DEBUG_STACK
7472: fprintf(stderr,"Close: popped %s\n", oldname);
7473: #endif
7474: xmlFree(oldname);
7475: }
1.7 veillard 7476: return;
7477: }
7478:
1.50 daniel 7479: /**
7480: * xmlParseCDSect:
7481: * @ctxt: an XML parser context
7482: *
7483: * Parse escaped pure raw content.
1.29 daniel 7484: *
7485: * [18] CDSect ::= CDStart CData CDEnd
7486: *
7487: * [19] CDStart ::= '<![CDATA['
7488: *
7489: * [20] Data ::= (Char* - (Char* ']]>' Char*))
7490: *
7491: * [21] CDEnd ::= ']]>'
1.3 veillard 7492: */
1.55 daniel 7493: void
7494: xmlParseCDSect(xmlParserCtxtPtr ctxt) {
1.135 daniel 7495: xmlChar *buf = NULL;
7496: int len = 0;
1.140 daniel 7497: int size = XML_PARSER_BUFFER_SIZE;
1.152 daniel 7498: int r, rl;
7499: int s, sl;
7500: int cur, l;
1.3 veillard 7501:
1.106 daniel 7502: if ((NXT(0) == '<') && (NXT(1) == '!') &&
1.40 daniel 7503: (NXT(2) == '[') && (NXT(3) == 'C') &&
7504: (NXT(4) == 'D') && (NXT(5) == 'A') &&
7505: (NXT(6) == 'T') && (NXT(7) == 'A') &&
7506: (NXT(8) == '[')) {
7507: SKIP(9);
1.29 daniel 7508: } else
1.45 daniel 7509: return;
1.109 daniel 7510:
7511: ctxt->instate = XML_PARSER_CDATA_SECTION;
1.152 daniel 7512: r = CUR_CHAR(rl);
7513: if (!IS_CHAR(r)) {
1.55 daniel 7514: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1.122 daniel 7515: ctxt->sax->error(ctxt->userData,
1.135 daniel 7516: "CData section not finished\n");
1.59 daniel 7517: ctxt->wellFormed = 0;
1.180 daniel 7518: ctxt->disableSAX = 1;
1.123 daniel 7519: ctxt->errNo = XML_ERR_CDATA_NOT_FINISHED;
1.109 daniel 7520: ctxt->instate = XML_PARSER_CONTENT;
1.45 daniel 7521: return;
1.3 veillard 7522: }
1.152 daniel 7523: NEXTL(rl);
7524: s = CUR_CHAR(sl);
7525: if (!IS_CHAR(s)) {
1.55 daniel 7526: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1.122 daniel 7527: ctxt->sax->error(ctxt->userData,
1.135 daniel 7528: "CData section not finished\n");
1.123 daniel 7529: ctxt->errNo = XML_ERR_CDATA_NOT_FINISHED;
1.59 daniel 7530: ctxt->wellFormed = 0;
1.180 daniel 7531: ctxt->disableSAX = 1;
1.109 daniel 7532: ctxt->instate = XML_PARSER_CONTENT;
1.45 daniel 7533: return;
1.3 veillard 7534: }
1.152 daniel 7535: NEXTL(sl);
7536: cur = CUR_CHAR(l);
1.135 daniel 7537: buf = (xmlChar *) xmlMalloc(size * sizeof(xmlChar));
7538: if (buf == NULL) {
7539: fprintf(stderr, "malloc of %d byte failed\n", size);
7540: return;
7541: }
1.108 veillard 7542: while (IS_CHAR(cur) &&
1.110 daniel 7543: ((r != ']') || (s != ']') || (cur != '>'))) {
1.152 daniel 7544: if (len + 5 >= size) {
1.135 daniel 7545: size *= 2;
7546: buf = xmlRealloc(buf, size * sizeof(xmlChar));
7547: if (buf == NULL) {
7548: fprintf(stderr, "realloc of %d byte failed\n", size);
7549: return;
7550: }
7551: }
1.152 daniel 7552: COPY_BUF(rl,buf,len,r);
1.110 daniel 7553: r = s;
1.152 daniel 7554: rl = sl;
1.110 daniel 7555: s = cur;
1.152 daniel 7556: sl = l;
7557: NEXTL(l);
7558: cur = CUR_CHAR(l);
1.3 veillard 7559: }
1.135 daniel 7560: buf[len] = 0;
1.109 daniel 7561: ctxt->instate = XML_PARSER_CONTENT;
1.152 daniel 7562: if (cur != '>') {
1.55 daniel 7563: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1.122 daniel 7564: ctxt->sax->error(ctxt->userData,
1.135 daniel 7565: "CData section not finished\n%.50s\n", buf);
1.123 daniel 7566: ctxt->errNo = XML_ERR_CDATA_NOT_FINISHED;
1.59 daniel 7567: ctxt->wellFormed = 0;
1.180 daniel 7568: ctxt->disableSAX = 1;
1.135 daniel 7569: xmlFree(buf);
1.45 daniel 7570: return;
1.3 veillard 7571: }
1.152 daniel 7572: NEXTL(l);
1.16 daniel 7573:
1.45 daniel 7574: /*
1.135 daniel 7575: * Ok the buffer is to be consumed as cdata.
1.45 daniel 7576: */
1.171 daniel 7577: if ((ctxt->sax != NULL) && (!ctxt->disableSAX)) {
1.107 daniel 7578: if (ctxt->sax->cdataBlock != NULL)
1.135 daniel 7579: ctxt->sax->cdataBlock(ctxt->userData, buf, len);
1.45 daniel 7580: }
1.135 daniel 7581: xmlFree(buf);
1.2 veillard 7582: }
7583:
1.50 daniel 7584: /**
7585: * xmlParseContent:
7586: * @ctxt: an XML parser context
7587: *
7588: * Parse a content:
1.2 veillard 7589: *
1.27 daniel 7590: * [43] content ::= (element | CharData | Reference | CDSect | PI | Comment)*
1.2 veillard 7591: */
7592:
1.55 daniel 7593: void
7594: xmlParseContent(xmlParserCtxtPtr ctxt) {
1.97 daniel 7595: GROW;
1.176 daniel 7596: while (((RAW != 0) || (ctxt->token != 0)) &&
7597: ((RAW != '<') || (NXT(1) != '/'))) {
1.123 daniel 7598: const xmlChar *test = CUR_PTR;
1.91 daniel 7599: int cons = ctxt->input->consumed;
1.123 daniel 7600: xmlChar tok = ctxt->token;
1.27 daniel 7601:
7602: /*
1.152 daniel 7603: * Handle possible processed charrefs.
7604: */
7605: if (ctxt->token != 0) {
7606: xmlParseCharData(ctxt, 0);
7607: }
7608: /*
1.27 daniel 7609: * First case : a Processing Instruction.
7610: */
1.152 daniel 7611: else if ((RAW == '<') && (NXT(1) == '?')) {
1.27 daniel 7612: xmlParsePI(ctxt);
7613: }
1.72 daniel 7614:
1.27 daniel 7615: /*
7616: * Second case : a CDSection
7617: */
1.152 daniel 7618: else if ((RAW == '<') && (NXT(1) == '!') &&
1.40 daniel 7619: (NXT(2) == '[') && (NXT(3) == 'C') &&
7620: (NXT(4) == 'D') && (NXT(5) == 'A') &&
7621: (NXT(6) == 'T') && (NXT(7) == 'A') &&
7622: (NXT(8) == '[')) {
1.45 daniel 7623: xmlParseCDSect(ctxt);
1.27 daniel 7624: }
1.72 daniel 7625:
1.27 daniel 7626: /*
7627: * Third case : a comment
7628: */
1.152 daniel 7629: else if ((RAW == '<') && (NXT(1) == '!') &&
1.40 daniel 7630: (NXT(2) == '-') && (NXT(3) == '-')) {
1.114 daniel 7631: xmlParseComment(ctxt);
1.97 daniel 7632: ctxt->instate = XML_PARSER_CONTENT;
1.27 daniel 7633: }
1.72 daniel 7634:
1.27 daniel 7635: /*
7636: * Fourth case : a sub-element.
7637: */
1.152 daniel 7638: else if (RAW == '<') {
1.72 daniel 7639: xmlParseElement(ctxt);
1.45 daniel 7640: }
1.72 daniel 7641:
1.45 daniel 7642: /*
1.50 daniel 7643: * Fifth case : a reference. If if has not been resolved,
7644: * parsing returns it's Name, create the node
1.45 daniel 7645: */
1.97 daniel 7646:
1.152 daniel 7647: else if (RAW == '&') {
1.77 daniel 7648: xmlParseReference(ctxt);
1.27 daniel 7649: }
1.72 daniel 7650:
1.27 daniel 7651: /*
7652: * Last case, text. Note that References are handled directly.
7653: */
7654: else {
1.45 daniel 7655: xmlParseCharData(ctxt, 0);
1.3 veillard 7656: }
1.14 veillard 7657:
1.91 daniel 7658: GROW;
1.14 veillard 7659: /*
1.45 daniel 7660: * Pop-up of finished entities.
1.14 veillard 7661: */
1.152 daniel 7662: while ((RAW == 0) && (ctxt->inputNr > 1))
1.69 daniel 7663: xmlPopInput(ctxt);
1.135 daniel 7664: SHRINK;
1.45 daniel 7665:
1.113 daniel 7666: if ((cons == ctxt->input->consumed) && (test == CUR_PTR) &&
7667: (tok == ctxt->token)) {
1.55 daniel 7668: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1.74 daniel 7669: ctxt->sax->error(ctxt->userData,
1.59 daniel 7670: "detected an error in element content\n");
1.123 daniel 7671: ctxt->errNo = XML_ERR_INTERNAL_ERROR;
1.59 daniel 7672: ctxt->wellFormed = 0;
1.180 daniel 7673: ctxt->disableSAX = 1;
1.29 daniel 7674: break;
7675: }
1.3 veillard 7676: }
1.2 veillard 7677: }
7678:
1.50 daniel 7679: /**
7680: * xmlParseElement:
7681: * @ctxt: an XML parser context
7682: *
7683: * parse an XML element, this is highly recursive
1.26 daniel 7684: *
7685: * [39] element ::= EmptyElemTag | STag content ETag
7686: *
1.98 daniel 7687: * [ WFC: Element Type Match ]
7688: * The Name in an element's end-tag must match the element type in the
7689: * start-tag.
7690: *
7691: * [ VC: Element Valid ]
1.117 daniel 7692: * An element is valid if there is a declaration matching elementdecl
1.99 daniel 7693: * where the Name matches the element type and one of the following holds:
7694: * - The declaration matches EMPTY and the element has no content.
7695: * - The declaration matches children and the sequence of child elements
7696: * belongs to the language generated by the regular expression in the
7697: * content model, with optional white space (characters matching the
7698: * nonterminal S) between each pair of child elements.
7699: * - The declaration matches Mixed and the content consists of character
7700: * data and child elements whose types match names in the content model.
7701: * - The declaration matches ANY, and the types of any child elements have
7702: * been declared.
1.2 veillard 7703: */
1.26 daniel 7704:
1.72 daniel 7705: void
1.69 daniel 7706: xmlParseElement(xmlParserCtxtPtr ctxt) {
1.123 daniel 7707: const xmlChar *openTag = CUR_PTR;
7708: xmlChar *name;
1.140 daniel 7709: xmlChar *oldname;
1.32 daniel 7710: xmlParserNodeInfo node_info;
1.118 daniel 7711: xmlNodePtr ret;
1.2 veillard 7712:
1.32 daniel 7713: /* Capture start position */
1.118 daniel 7714: if (ctxt->record_info) {
7715: node_info.begin_pos = ctxt->input->consumed +
7716: (CUR_PTR - ctxt->input->base);
7717: node_info.begin_line = ctxt->input->line;
7718: }
1.32 daniel 7719:
1.176 daniel 7720: if (ctxt->spaceNr == 0)
7721: spacePush(ctxt, -1);
7722: else
7723: spacePush(ctxt, *ctxt->space);
7724:
1.83 daniel 7725: name = xmlParseStartTag(ctxt);
7726: if (name == NULL) {
1.176 daniel 7727: spacePop(ctxt);
1.83 daniel 7728: return;
7729: }
1.140 daniel 7730: namePush(ctxt, name);
1.118 daniel 7731: ret = ctxt->node;
1.2 veillard 7732:
7733: /*
1.99 daniel 7734: * [ VC: Root Element Type ]
7735: * The Name in the document type declaration must match the element
7736: * type of the root element.
7737: */
1.105 daniel 7738: if (ctxt->validate && ctxt->wellFormed && ctxt->myDoc &&
1.157 daniel 7739: ctxt->node && (ctxt->node == ctxt->myDoc->children))
1.102 daniel 7740: ctxt->valid &= xmlValidateRoot(&ctxt->vctxt, ctxt->myDoc);
1.99 daniel 7741:
7742: /*
1.2 veillard 7743: * Check for an Empty Element.
7744: */
1.152 daniel 7745: if ((RAW == '/') && (NXT(1) == '>')) {
1.40 daniel 7746: SKIP(2);
1.171 daniel 7747: if ((ctxt->sax != NULL) && (ctxt->sax->endElement != NULL) &&
7748: (!ctxt->disableSAX))
1.83 daniel 7749: ctxt->sax->endElement(ctxt->userData, name);
1.140 daniel 7750: oldname = namePop(ctxt);
1.176 daniel 7751: spacePop(ctxt);
1.140 daniel 7752: if (oldname != NULL) {
7753: #ifdef DEBUG_STACK
7754: fprintf(stderr,"Close: popped %s\n", oldname);
7755: #endif
7756: xmlFree(oldname);
7757: }
1.72 daniel 7758: return;
1.2 veillard 7759: }
1.152 daniel 7760: if (RAW == '>') {
1.91 daniel 7761: NEXT;
7762: } else {
1.55 daniel 7763: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1.122 daniel 7764: ctxt->sax->error(ctxt->userData,
7765: "Couldn't find end of Start Tag\n%.30s\n",
1.57 daniel 7766: openTag);
1.59 daniel 7767: ctxt->wellFormed = 0;
1.180 daniel 7768: ctxt->disableSAX = 1;
1.123 daniel 7769: ctxt->errNo = XML_ERR_GT_REQUIRED;
1.45 daniel 7770:
7771: /*
7772: * end of parsing of this node.
7773: */
7774: nodePop(ctxt);
1.140 daniel 7775: oldname = namePop(ctxt);
1.176 daniel 7776: spacePop(ctxt);
1.140 daniel 7777: if (oldname != NULL) {
7778: #ifdef DEBUG_STACK
7779: fprintf(stderr,"Close: popped %s\n", oldname);
7780: #endif
7781: xmlFree(oldname);
7782: }
1.118 daniel 7783:
7784: /*
7785: * Capture end position and add node
7786: */
7787: if ( ret != NULL && ctxt->record_info ) {
7788: node_info.end_pos = ctxt->input->consumed +
7789: (CUR_PTR - ctxt->input->base);
7790: node_info.end_line = ctxt->input->line;
7791: node_info.node = ret;
7792: xmlParserAddNodeInfo(ctxt, &node_info);
7793: }
1.72 daniel 7794: return;
1.2 veillard 7795: }
7796:
7797: /*
7798: * Parse the content of the element:
7799: */
1.45 daniel 7800: xmlParseContent(ctxt);
1.153 daniel 7801: if (!IS_CHAR(RAW)) {
1.55 daniel 7802: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1.74 daniel 7803: ctxt->sax->error(ctxt->userData,
1.57 daniel 7804: "Premature end of data in tag %.30s\n", openTag);
1.59 daniel 7805: ctxt->wellFormed = 0;
1.180 daniel 7806: ctxt->disableSAX = 1;
1.123 daniel 7807: ctxt->errNo = XML_ERR_TAG_NOT_FINISED;
1.45 daniel 7808:
7809: /*
7810: * end of parsing of this node.
7811: */
7812: nodePop(ctxt);
1.140 daniel 7813: oldname = namePop(ctxt);
1.176 daniel 7814: spacePop(ctxt);
1.140 daniel 7815: if (oldname != NULL) {
7816: #ifdef DEBUG_STACK
7817: fprintf(stderr,"Close: popped %s\n", oldname);
7818: #endif
7819: xmlFree(oldname);
7820: }
1.72 daniel 7821: return;
1.2 veillard 7822: }
7823:
7824: /*
1.27 daniel 7825: * parse the end of tag: '</' should be here.
1.2 veillard 7826: */
1.140 daniel 7827: xmlParseEndTag(ctxt);
1.118 daniel 7828:
7829: /*
7830: * Capture end position and add node
7831: */
7832: if ( ret != NULL && ctxt->record_info ) {
7833: node_info.end_pos = ctxt->input->consumed +
7834: (CUR_PTR - ctxt->input->base);
7835: node_info.end_line = ctxt->input->line;
7836: node_info.node = ret;
7837: xmlParserAddNodeInfo(ctxt, &node_info);
7838: }
1.2 veillard 7839: }
7840:
1.50 daniel 7841: /**
7842: * xmlParseVersionNum:
7843: * @ctxt: an XML parser context
7844: *
7845: * parse the XML version value.
1.29 daniel 7846: *
7847: * [26] VersionNum ::= ([a-zA-Z0-9_.:] | '-')+
1.68 daniel 7848: *
7849: * Returns the string giving the XML version number, or NULL
1.29 daniel 7850: */
1.123 daniel 7851: xmlChar *
1.55 daniel 7852: xmlParseVersionNum(xmlParserCtxtPtr ctxt) {
1.135 daniel 7853: xmlChar *buf = NULL;
7854: int len = 0;
7855: int size = 10;
7856: xmlChar cur;
1.29 daniel 7857:
1.135 daniel 7858: buf = (xmlChar *) xmlMalloc(size * sizeof(xmlChar));
7859: if (buf == NULL) {
7860: fprintf(stderr, "malloc of %d byte failed\n", size);
7861: return(NULL);
7862: }
7863: cur = CUR;
1.152 daniel 7864: while (((cur >= 'a') && (cur <= 'z')) ||
7865: ((cur >= 'A') && (cur <= 'Z')) ||
7866: ((cur >= '0') && (cur <= '9')) ||
7867: (cur == '_') || (cur == '.') ||
7868: (cur == ':') || (cur == '-')) {
1.135 daniel 7869: if (len + 1 >= size) {
7870: size *= 2;
7871: buf = xmlRealloc(buf, size * sizeof(xmlChar));
7872: if (buf == NULL) {
7873: fprintf(stderr, "realloc of %d byte failed\n", size);
7874: return(NULL);
7875: }
7876: }
7877: buf[len++] = cur;
7878: NEXT;
7879: cur=CUR;
7880: }
7881: buf[len] = 0;
7882: return(buf);
1.29 daniel 7883: }
7884:
1.50 daniel 7885: /**
7886: * xmlParseVersionInfo:
7887: * @ctxt: an XML parser context
7888: *
7889: * parse the XML version.
1.29 daniel 7890: *
7891: * [24] VersionInfo ::= S 'version' Eq (' VersionNum ' | " VersionNum ")
7892: *
7893: * [25] Eq ::= S? '=' S?
1.50 daniel 7894: *
1.68 daniel 7895: * Returns the version string, e.g. "1.0"
1.29 daniel 7896: */
7897:
1.123 daniel 7898: xmlChar *
1.55 daniel 7899: xmlParseVersionInfo(xmlParserCtxtPtr ctxt) {
1.123 daniel 7900: xmlChar *version = NULL;
7901: const xmlChar *q;
1.29 daniel 7902:
1.152 daniel 7903: if ((RAW == 'v') && (NXT(1) == 'e') &&
1.40 daniel 7904: (NXT(2) == 'r') && (NXT(3) == 's') &&
7905: (NXT(4) == 'i') && (NXT(5) == 'o') &&
7906: (NXT(6) == 'n')) {
7907: SKIP(7);
1.42 daniel 7908: SKIP_BLANKS;
1.152 daniel 7909: if (RAW != '=') {
1.55 daniel 7910: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1.122 daniel 7911: ctxt->sax->error(ctxt->userData,
7912: "xmlParseVersionInfo : expected '='\n");
1.59 daniel 7913: ctxt->wellFormed = 0;
1.180 daniel 7914: ctxt->disableSAX = 1;
1.123 daniel 7915: ctxt->errNo = XML_ERR_EQUAL_REQUIRED;
1.31 daniel 7916: return(NULL);
7917: }
1.40 daniel 7918: NEXT;
1.42 daniel 7919: SKIP_BLANKS;
1.152 daniel 7920: if (RAW == '"') {
1.40 daniel 7921: NEXT;
7922: q = CUR_PTR;
1.29 daniel 7923: version = xmlParseVersionNum(ctxt);
1.152 daniel 7924: if (RAW != '"') {
1.55 daniel 7925: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1.122 daniel 7926: ctxt->sax->error(ctxt->userData,
7927: "String not closed\n%.50s\n", q);
1.59 daniel 7928: ctxt->wellFormed = 0;
1.180 daniel 7929: ctxt->disableSAX = 1;
1.123 daniel 7930: ctxt->errNo = XML_ERR_STRING_NOT_CLOSED;
1.55 daniel 7931: } else
1.40 daniel 7932: NEXT;
1.152 daniel 7933: } else if (RAW == '\''){
1.40 daniel 7934: NEXT;
7935: q = CUR_PTR;
1.29 daniel 7936: version = xmlParseVersionNum(ctxt);
1.152 daniel 7937: if (RAW != '\'') {
1.55 daniel 7938: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1.122 daniel 7939: ctxt->sax->error(ctxt->userData,
7940: "String not closed\n%.50s\n", q);
1.123 daniel 7941: ctxt->errNo = XML_ERR_STRING_NOT_CLOSED;
1.59 daniel 7942: ctxt->wellFormed = 0;
1.180 daniel 7943: ctxt->disableSAX = 1;
1.55 daniel 7944: } else
1.40 daniel 7945: NEXT;
1.31 daniel 7946: } else {
1.55 daniel 7947: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1.74 daniel 7948: ctxt->sax->error(ctxt->userData,
1.59 daniel 7949: "xmlParseVersionInfo : expected ' or \"\n");
1.122 daniel 7950: ctxt->wellFormed = 0;
1.180 daniel 7951: ctxt->disableSAX = 1;
1.123 daniel 7952: ctxt->errNo = XML_ERR_STRING_NOT_STARTED;
1.29 daniel 7953: }
7954: }
7955: return(version);
7956: }
7957:
1.50 daniel 7958: /**
7959: * xmlParseEncName:
7960: * @ctxt: an XML parser context
7961: *
7962: * parse the XML encoding name
1.29 daniel 7963: *
7964: * [81] EncName ::= [A-Za-z] ([A-Za-z0-9._] | '-')*
1.50 daniel 7965: *
1.68 daniel 7966: * Returns the encoding name value or NULL
1.29 daniel 7967: */
1.123 daniel 7968: xmlChar *
1.55 daniel 7969: xmlParseEncName(xmlParserCtxtPtr ctxt) {
1.135 daniel 7970: xmlChar *buf = NULL;
7971: int len = 0;
7972: int size = 10;
7973: xmlChar cur;
1.29 daniel 7974:
1.135 daniel 7975: cur = CUR;
7976: if (((cur >= 'a') && (cur <= 'z')) ||
7977: ((cur >= 'A') && (cur <= 'Z'))) {
7978: buf = (xmlChar *) xmlMalloc(size * sizeof(xmlChar));
7979: if (buf == NULL) {
7980: fprintf(stderr, "malloc of %d byte failed\n", size);
7981: return(NULL);
7982: }
7983:
7984: buf[len++] = cur;
1.40 daniel 7985: NEXT;
1.135 daniel 7986: cur = CUR;
1.152 daniel 7987: while (((cur >= 'a') && (cur <= 'z')) ||
7988: ((cur >= 'A') && (cur <= 'Z')) ||
7989: ((cur >= '0') && (cur <= '9')) ||
7990: (cur == '.') || (cur == '_') ||
7991: (cur == '-')) {
1.135 daniel 7992: if (len + 1 >= size) {
7993: size *= 2;
7994: buf = xmlRealloc(buf, size * sizeof(xmlChar));
7995: if (buf == NULL) {
7996: fprintf(stderr, "realloc of %d byte failed\n", size);
7997: return(NULL);
7998: }
7999: }
8000: buf[len++] = cur;
8001: NEXT;
8002: cur = CUR;
8003: if (cur == 0) {
8004: SHRINK;
8005: GROW;
8006: cur = CUR;
8007: }
8008: }
8009: buf[len] = 0;
1.29 daniel 8010: } else {
1.55 daniel 8011: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1.74 daniel 8012: ctxt->sax->error(ctxt->userData, "Invalid XML encoding name\n");
1.59 daniel 8013: ctxt->wellFormed = 0;
1.180 daniel 8014: ctxt->disableSAX = 1;
1.123 daniel 8015: ctxt->errNo = XML_ERR_ENCODING_NAME;
1.29 daniel 8016: }
1.135 daniel 8017: return(buf);
1.29 daniel 8018: }
8019:
1.50 daniel 8020: /**
8021: * xmlParseEncodingDecl:
8022: * @ctxt: an XML parser context
8023: *
8024: * parse the XML encoding declaration
1.29 daniel 8025: *
8026: * [80] EncodingDecl ::= S 'encoding' Eq ('"' EncName '"' | "'" EncName "'")
1.50 daniel 8027: *
8028: * TODO: this should setup the conversion filters.
8029: *
1.68 daniel 8030: * Returns the encoding value or NULL
1.29 daniel 8031: */
8032:
1.123 daniel 8033: xmlChar *
1.55 daniel 8034: xmlParseEncodingDecl(xmlParserCtxtPtr ctxt) {
1.123 daniel 8035: xmlChar *encoding = NULL;
8036: const xmlChar *q;
1.29 daniel 8037:
1.42 daniel 8038: SKIP_BLANKS;
1.152 daniel 8039: if ((RAW == 'e') && (NXT(1) == 'n') &&
1.40 daniel 8040: (NXT(2) == 'c') && (NXT(3) == 'o') &&
8041: (NXT(4) == 'd') && (NXT(5) == 'i') &&
8042: (NXT(6) == 'n') && (NXT(7) == 'g')) {
8043: SKIP(8);
1.42 daniel 8044: SKIP_BLANKS;
1.152 daniel 8045: if (RAW != '=') {
1.55 daniel 8046: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1.122 daniel 8047: ctxt->sax->error(ctxt->userData,
8048: "xmlParseEncodingDecl : expected '='\n");
1.59 daniel 8049: ctxt->wellFormed = 0;
1.180 daniel 8050: ctxt->disableSAX = 1;
1.123 daniel 8051: ctxt->errNo = XML_ERR_EQUAL_REQUIRED;
1.31 daniel 8052: return(NULL);
8053: }
1.40 daniel 8054: NEXT;
1.42 daniel 8055: SKIP_BLANKS;
1.152 daniel 8056: if (RAW == '"') {
1.40 daniel 8057: NEXT;
8058: q = CUR_PTR;
1.29 daniel 8059: encoding = xmlParseEncName(ctxt);
1.152 daniel 8060: if (RAW != '"') {
1.55 daniel 8061: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1.122 daniel 8062: ctxt->sax->error(ctxt->userData,
8063: "String not closed\n%.50s\n", q);
1.59 daniel 8064: ctxt->wellFormed = 0;
1.180 daniel 8065: ctxt->disableSAX = 1;
1.123 daniel 8066: ctxt->errNo = XML_ERR_STRING_NOT_CLOSED;
1.55 daniel 8067: } else
1.40 daniel 8068: NEXT;
1.152 daniel 8069: } else if (RAW == '\''){
1.40 daniel 8070: NEXT;
8071: q = CUR_PTR;
1.29 daniel 8072: encoding = xmlParseEncName(ctxt);
1.152 daniel 8073: if (RAW != '\'') {
1.55 daniel 8074: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1.122 daniel 8075: ctxt->sax->error(ctxt->userData,
8076: "String not closed\n%.50s\n", q);
1.59 daniel 8077: ctxt->wellFormed = 0;
1.180 daniel 8078: ctxt->disableSAX = 1;
1.123 daniel 8079: ctxt->errNo = XML_ERR_STRING_NOT_CLOSED;
1.55 daniel 8080: } else
1.40 daniel 8081: NEXT;
1.152 daniel 8082: } else if (RAW == '"'){
1.55 daniel 8083: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1.74 daniel 8084: ctxt->sax->error(ctxt->userData,
1.59 daniel 8085: "xmlParseEncodingDecl : expected ' or \"\n");
8086: ctxt->wellFormed = 0;
1.180 daniel 8087: ctxt->disableSAX = 1;
1.123 daniel 8088: ctxt->errNo = XML_ERR_STRING_NOT_STARTED;
1.29 daniel 8089: }
8090: }
8091: return(encoding);
8092: }
8093:
1.50 daniel 8094: /**
8095: * xmlParseSDDecl:
8096: * @ctxt: an XML parser context
8097: *
8098: * parse the XML standalone declaration
1.29 daniel 8099: *
8100: * [32] SDDecl ::= S 'standalone' Eq
8101: * (("'" ('yes' | 'no') "'") | ('"' ('yes' | 'no')'"'))
1.99 daniel 8102: *
8103: * [ VC: Standalone Document Declaration ]
8104: * TODO The standalone document declaration must have the value "no"
8105: * if any external markup declarations contain declarations of:
8106: * - attributes with default values, if elements to which these
8107: * attributes apply appear in the document without specifications
8108: * of values for these attributes, or
8109: * - entities (other than amp, lt, gt, apos, quot), if references
8110: * to those entities appear in the document, or
8111: * - attributes with values subject to normalization, where the
8112: * attribute appears in the document with a value which will change
8113: * as a result of normalization, or
8114: * - element types with element content, if white space occurs directly
8115: * within any instance of those types.
1.68 daniel 8116: *
8117: * Returns 1 if standalone, 0 otherwise
1.29 daniel 8118: */
8119:
1.55 daniel 8120: int
8121: xmlParseSDDecl(xmlParserCtxtPtr ctxt) {
1.29 daniel 8122: int standalone = -1;
8123:
1.42 daniel 8124: SKIP_BLANKS;
1.152 daniel 8125: if ((RAW == 's') && (NXT(1) == 't') &&
1.40 daniel 8126: (NXT(2) == 'a') && (NXT(3) == 'n') &&
8127: (NXT(4) == 'd') && (NXT(5) == 'a') &&
8128: (NXT(6) == 'l') && (NXT(7) == 'o') &&
8129: (NXT(8) == 'n') && (NXT(9) == 'e')) {
8130: SKIP(10);
1.81 daniel 8131: SKIP_BLANKS;
1.152 daniel 8132: if (RAW != '=') {
1.55 daniel 8133: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1.74 daniel 8134: ctxt->sax->error(ctxt->userData,
1.59 daniel 8135: "XML standalone declaration : expected '='\n");
1.123 daniel 8136: ctxt->errNo = XML_ERR_EQUAL_REQUIRED;
1.59 daniel 8137: ctxt->wellFormed = 0;
1.180 daniel 8138: ctxt->disableSAX = 1;
1.32 daniel 8139: return(standalone);
8140: }
1.40 daniel 8141: NEXT;
1.42 daniel 8142: SKIP_BLANKS;
1.152 daniel 8143: if (RAW == '\''){
1.40 daniel 8144: NEXT;
1.152 daniel 8145: if ((RAW == 'n') && (NXT(1) == 'o')) {
1.29 daniel 8146: standalone = 0;
1.40 daniel 8147: SKIP(2);
1.152 daniel 8148: } else if ((RAW == 'y') && (NXT(1) == 'e') &&
1.40 daniel 8149: (NXT(2) == 's')) {
1.29 daniel 8150: standalone = 1;
1.40 daniel 8151: SKIP(3);
1.29 daniel 8152: } else {
1.55 daniel 8153: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1.122 daniel 8154: ctxt->sax->error(ctxt->userData,
8155: "standalone accepts only 'yes' or 'no'\n");
1.123 daniel 8156: ctxt->errNo = XML_ERR_STANDALONE_VALUE;
1.59 daniel 8157: ctxt->wellFormed = 0;
1.180 daniel 8158: ctxt->disableSAX = 1;
1.29 daniel 8159: }
1.152 daniel 8160: if (RAW != '\'') {
1.55 daniel 8161: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1.74 daniel 8162: ctxt->sax->error(ctxt->userData, "String not closed\n");
1.123 daniel 8163: ctxt->errNo = XML_ERR_STRING_NOT_CLOSED;
1.59 daniel 8164: ctxt->wellFormed = 0;
1.180 daniel 8165: ctxt->disableSAX = 1;
1.55 daniel 8166: } else
1.40 daniel 8167: NEXT;
1.152 daniel 8168: } else if (RAW == '"'){
1.40 daniel 8169: NEXT;
1.152 daniel 8170: if ((RAW == 'n') && (NXT(1) == 'o')) {
1.29 daniel 8171: standalone = 0;
1.40 daniel 8172: SKIP(2);
1.152 daniel 8173: } else if ((RAW == 'y') && (NXT(1) == 'e') &&
1.40 daniel 8174: (NXT(2) == 's')) {
1.29 daniel 8175: standalone = 1;
1.40 daniel 8176: SKIP(3);
1.29 daniel 8177: } else {
1.55 daniel 8178: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1.74 daniel 8179: ctxt->sax->error(ctxt->userData,
1.59 daniel 8180: "standalone accepts only 'yes' or 'no'\n");
1.123 daniel 8181: ctxt->errNo = XML_ERR_STANDALONE_VALUE;
1.59 daniel 8182: ctxt->wellFormed = 0;
1.180 daniel 8183: ctxt->disableSAX = 1;
1.29 daniel 8184: }
1.152 daniel 8185: if (RAW != '"') {
1.55 daniel 8186: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1.74 daniel 8187: ctxt->sax->error(ctxt->userData, "String not closed\n");
1.59 daniel 8188: ctxt->wellFormed = 0;
1.180 daniel 8189: ctxt->disableSAX = 1;
1.123 daniel 8190: ctxt->errNo = XML_ERR_STRING_NOT_CLOSED;
1.55 daniel 8191: } else
1.40 daniel 8192: NEXT;
1.37 daniel 8193: } else {
1.55 daniel 8194: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1.122 daniel 8195: ctxt->sax->error(ctxt->userData,
8196: "Standalone value not found\n");
1.59 daniel 8197: ctxt->wellFormed = 0;
1.180 daniel 8198: ctxt->disableSAX = 1;
1.123 daniel 8199: ctxt->errNo = XML_ERR_STRING_NOT_STARTED;
1.37 daniel 8200: }
1.29 daniel 8201: }
8202: return(standalone);
8203: }
8204:
1.50 daniel 8205: /**
8206: * xmlParseXMLDecl:
8207: * @ctxt: an XML parser context
8208: *
8209: * parse an XML declaration header
1.29 daniel 8210: *
8211: * [23] XMLDecl ::= '<?xml' VersionInfo EncodingDecl? SDDecl? S? '?>'
1.1 veillard 8212: */
8213:
1.55 daniel 8214: void
8215: xmlParseXMLDecl(xmlParserCtxtPtr ctxt) {
1.123 daniel 8216: xmlChar *version;
1.1 veillard 8217:
8218: /*
1.19 daniel 8219: * We know that '<?xml' is here.
1.1 veillard 8220: */
1.40 daniel 8221: SKIP(5);
1.1 veillard 8222:
1.153 daniel 8223: if (!IS_BLANK(RAW)) {
1.59 daniel 8224: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1.74 daniel 8225: ctxt->sax->error(ctxt->userData, "Blank needed after '<?xml'\n");
1.123 daniel 8226: ctxt->errNo = XML_ERR_SPACE_REQUIRED;
1.59 daniel 8227: ctxt->wellFormed = 0;
1.180 daniel 8228: ctxt->disableSAX = 1;
1.59 daniel 8229: }
1.42 daniel 8230: SKIP_BLANKS;
1.1 veillard 8231:
8232: /*
1.29 daniel 8233: * We should have the VersionInfo here.
1.1 veillard 8234: */
1.29 daniel 8235: version = xmlParseVersionInfo(ctxt);
8236: if (version == NULL)
1.45 daniel 8237: version = xmlCharStrdup(XML_DEFAULT_VERSION);
1.72 daniel 8238: ctxt->version = xmlStrdup(version);
1.119 daniel 8239: xmlFree(version);
1.29 daniel 8240:
8241: /*
8242: * We may have the encoding declaration
8243: */
1.153 daniel 8244: if (!IS_BLANK(RAW)) {
1.152 daniel 8245: if ((RAW == '?') && (NXT(1) == '>')) {
1.59 daniel 8246: SKIP(2);
8247: return;
8248: }
8249: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1.74 daniel 8250: ctxt->sax->error(ctxt->userData, "Blank needed here\n");
1.123 daniel 8251: ctxt->errNo = XML_ERR_SPACE_REQUIRED;
1.59 daniel 8252: ctxt->wellFormed = 0;
1.180 daniel 8253: ctxt->disableSAX = 1;
1.59 daniel 8254: }
1.164 daniel 8255: ctxt->input->encoding = xmlParseEncodingDecl(ctxt);
1.1 veillard 8256:
8257: /*
1.29 daniel 8258: * We may have the standalone status.
1.1 veillard 8259: */
1.164 daniel 8260: if ((ctxt->input->encoding != NULL) && (!IS_BLANK(RAW))) {
1.152 daniel 8261: if ((RAW == '?') && (NXT(1) == '>')) {
1.59 daniel 8262: SKIP(2);
8263: return;
8264: }
8265: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1.74 daniel 8266: ctxt->sax->error(ctxt->userData, "Blank needed here\n");
1.59 daniel 8267: ctxt->wellFormed = 0;
1.180 daniel 8268: ctxt->disableSAX = 1;
1.123 daniel 8269: ctxt->errNo = XML_ERR_SPACE_REQUIRED;
1.59 daniel 8270: }
8271: SKIP_BLANKS;
1.167 daniel 8272: ctxt->input->standalone = xmlParseSDDecl(ctxt);
1.1 veillard 8273:
1.42 daniel 8274: SKIP_BLANKS;
1.152 daniel 8275: if ((RAW == '?') && (NXT(1) == '>')) {
1.40 daniel 8276: SKIP(2);
1.152 daniel 8277: } else if (RAW == '>') {
1.31 daniel 8278: /* Deprecated old WD ... */
1.55 daniel 8279: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1.122 daniel 8280: ctxt->sax->error(ctxt->userData,
8281: "XML declaration must end-up with '?>'\n");
1.59 daniel 8282: ctxt->wellFormed = 0;
1.180 daniel 8283: ctxt->disableSAX = 1;
1.123 daniel 8284: ctxt->errNo = XML_ERR_XMLDECL_NOT_FINISHED;
1.40 daniel 8285: NEXT;
1.29 daniel 8286: } else {
1.55 daniel 8287: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1.122 daniel 8288: ctxt->sax->error(ctxt->userData,
8289: "parsing XML declaration: '?>' expected\n");
1.59 daniel 8290: ctxt->wellFormed = 0;
1.180 daniel 8291: ctxt->disableSAX = 1;
1.123 daniel 8292: ctxt->errNo = XML_ERR_XMLDECL_NOT_FINISHED;
1.40 daniel 8293: MOVETO_ENDTAG(CUR_PTR);
8294: NEXT;
1.29 daniel 8295: }
1.1 veillard 8296: }
8297:
1.50 daniel 8298: /**
8299: * xmlParseMisc:
8300: * @ctxt: an XML parser context
8301: *
8302: * parse an XML Misc* optionnal field.
1.21 daniel 8303: *
1.22 daniel 8304: * [27] Misc ::= Comment | PI | S
1.1 veillard 8305: */
8306:
1.55 daniel 8307: void
8308: xmlParseMisc(xmlParserCtxtPtr ctxt) {
1.152 daniel 8309: while (((RAW == '<') && (NXT(1) == '?')) ||
8310: ((RAW == '<') && (NXT(1) == '!') &&
1.40 daniel 8311: (NXT(2) == '-') && (NXT(3) == '-')) ||
8312: IS_BLANK(CUR)) {
1.152 daniel 8313: if ((RAW == '<') && (NXT(1) == '?')) {
1.16 daniel 8314: xmlParsePI(ctxt);
1.40 daniel 8315: } else if (IS_BLANK(CUR)) {
8316: NEXT;
1.1 veillard 8317: } else
1.114 daniel 8318: xmlParseComment(ctxt);
1.1 veillard 8319: }
8320: }
8321:
1.50 daniel 8322: /**
1.181 daniel 8323: * xmlParseDocument:
1.50 daniel 8324: * @ctxt: an XML parser context
8325: *
8326: * parse an XML document (and build a tree if using the standard SAX
8327: * interface).
1.21 daniel 8328: *
1.22 daniel 8329: * [1] document ::= prolog element Misc*
1.29 daniel 8330: *
8331: * [22] prolog ::= XMLDecl? Misc* (doctypedecl Misc*)?
1.50 daniel 8332: *
1.68 daniel 8333: * Returns 0, -1 in case of error. the parser context is augmented
1.50 daniel 8334: * as a result of the parsing.
1.1 veillard 8335: */
8336:
1.55 daniel 8337: int
8338: xmlParseDocument(xmlParserCtxtPtr ctxt) {
1.156 daniel 8339: xmlChar start[4];
8340: xmlCharEncoding enc;
8341:
1.45 daniel 8342: xmlDefaultSAXHandlerInit();
8343:
1.91 daniel 8344: GROW;
8345:
1.14 veillard 8346: /*
1.44 daniel 8347: * SAX: beginning of the document processing.
8348: */
1.72 daniel 8349: if ((ctxt->sax) && (ctxt->sax->setDocumentLocator))
1.74 daniel 8350: ctxt->sax->setDocumentLocator(ctxt->userData, &xmlDefaultSAXLocator);
1.44 daniel 8351:
1.156 daniel 8352: /*
8353: * Get the 4 first bytes and decode the charset
8354: * if enc != XML_CHAR_ENCODING_NONE
8355: * plug some encoding conversion routines.
8356: */
8357: start[0] = RAW;
8358: start[1] = NXT(1);
8359: start[2] = NXT(2);
8360: start[3] = NXT(3);
8361: enc = xmlDetectCharEncoding(start, 4);
8362: if (enc != XML_CHAR_ENCODING_NONE) {
8363: xmlSwitchEncoding(ctxt, enc);
8364: }
8365:
1.1 veillard 8366:
1.59 daniel 8367: if (CUR == 0) {
8368: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1.74 daniel 8369: ctxt->sax->error(ctxt->userData, "Document is empty\n");
1.123 daniel 8370: ctxt->errNo = XML_ERR_DOCUMENT_EMPTY;
1.59 daniel 8371: ctxt->wellFormed = 0;
1.180 daniel 8372: ctxt->disableSAX = 1;
1.59 daniel 8373: }
1.1 veillard 8374:
8375: /*
8376: * Check for the XMLDecl in the Prolog.
8377: */
1.91 daniel 8378: GROW;
1.152 daniel 8379: if ((RAW == '<') && (NXT(1) == '?') &&
1.40 daniel 8380: (NXT(2) == 'x') && (NXT(3) == 'm') &&
1.142 daniel 8381: (NXT(4) == 'l') && (IS_BLANK(NXT(5)))) {
1.19 daniel 8382: xmlParseXMLDecl(ctxt);
1.167 daniel 8383: ctxt->standalone = ctxt->input->standalone;
1.42 daniel 8384: SKIP_BLANKS;
1.164 daniel 8385: if ((ctxt->encoding == NULL) && (ctxt->input->encoding != NULL))
8386: ctxt->encoding = xmlStrdup(ctxt->input->encoding);
8387:
1.1 veillard 8388: } else {
1.72 daniel 8389: ctxt->version = xmlCharStrdup(XML_DEFAULT_VERSION);
1.1 veillard 8390: }
1.171 daniel 8391: if ((ctxt->sax) && (ctxt->sax->startDocument) && (!ctxt->disableSAX))
1.74 daniel 8392: ctxt->sax->startDocument(ctxt->userData);
1.1 veillard 8393:
8394: /*
8395: * The Misc part of the Prolog
8396: */
1.91 daniel 8397: GROW;
1.16 daniel 8398: xmlParseMisc(ctxt);
1.1 veillard 8399:
8400: /*
1.29 daniel 8401: * Then possibly doc type declaration(s) and more Misc
1.21 daniel 8402: * (doctypedecl Misc*)?
8403: */
1.91 daniel 8404: GROW;
1.152 daniel 8405: if ((RAW == '<') && (NXT(1) == '!') &&
1.40 daniel 8406: (NXT(2) == 'D') && (NXT(3) == 'O') &&
8407: (NXT(4) == 'C') && (NXT(5) == 'T') &&
8408: (NXT(6) == 'Y') && (NXT(7) == 'P') &&
8409: (NXT(8) == 'E')) {
1.165 daniel 8410:
1.166 daniel 8411: ctxt->inSubset = 1;
1.22 daniel 8412: xmlParseDocTypeDecl(ctxt);
1.152 daniel 8413: if (RAW == '[') {
1.140 daniel 8414: ctxt->instate = XML_PARSER_DTD;
8415: xmlParseInternalSubset(ctxt);
8416: }
1.165 daniel 8417:
8418: /*
8419: * Create and update the external subset.
8420: */
1.166 daniel 8421: ctxt->inSubset = 2;
1.171 daniel 8422: if ((ctxt->sax != NULL) && (ctxt->sax->externalSubset != NULL) &&
8423: (!ctxt->disableSAX))
1.165 daniel 8424: ctxt->sax->externalSubset(ctxt->userData, ctxt->intSubName,
8425: ctxt->extSubSystem, ctxt->extSubURI);
1.166 daniel 8426: ctxt->inSubset = 0;
1.165 daniel 8427:
8428:
1.96 daniel 8429: ctxt->instate = XML_PARSER_PROLOG;
1.22 daniel 8430: xmlParseMisc(ctxt);
1.21 daniel 8431: }
8432:
8433: /*
8434: * Time to start parsing the tree itself
1.1 veillard 8435: */
1.91 daniel 8436: GROW;
1.152 daniel 8437: if (RAW != '<') {
1.59 daniel 8438: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1.74 daniel 8439: ctxt->sax->error(ctxt->userData,
1.151 daniel 8440: "Start tag expected, '<' not found\n");
1.140 daniel 8441: ctxt->errNo = XML_ERR_DOCUMENT_EMPTY;
1.59 daniel 8442: ctxt->wellFormed = 0;
1.180 daniel 8443: ctxt->disableSAX = 1;
1.140 daniel 8444: ctxt->instate = XML_PARSER_EOF;
8445: } else {
8446: ctxt->instate = XML_PARSER_CONTENT;
8447: xmlParseElement(ctxt);
8448: ctxt->instate = XML_PARSER_EPILOG;
8449:
8450:
8451: /*
8452: * The Misc part at the end
8453: */
8454: xmlParseMisc(ctxt);
8455:
1.152 daniel 8456: if (RAW != 0) {
1.140 daniel 8457: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
8458: ctxt->sax->error(ctxt->userData,
8459: "Extra content at the end of the document\n");
8460: ctxt->wellFormed = 0;
1.180 daniel 8461: ctxt->disableSAX = 1;
1.140 daniel 8462: ctxt->errNo = XML_ERR_DOCUMENT_END;
8463: }
8464: ctxt->instate = XML_PARSER_EOF;
1.59 daniel 8465: }
8466:
1.44 daniel 8467: /*
8468: * SAX: end of the document processing.
8469: */
1.171 daniel 8470: if ((ctxt->sax) && (ctxt->sax->endDocument != NULL) &&
8471: (!ctxt->disableSAX))
1.74 daniel 8472: ctxt->sax->endDocument(ctxt->userData);
1.151 daniel 8473:
8474: /*
8475: * Grab the encoding if it was added on-the-fly
8476: */
8477: if ((ctxt->encoding != NULL) && (ctxt->myDoc != NULL) &&
8478: (ctxt->myDoc->encoding == NULL)) {
8479: ctxt->myDoc->encoding = ctxt->encoding;
8480: ctxt->encoding = NULL;
8481: }
1.59 daniel 8482: if (! ctxt->wellFormed) return(-1);
1.16 daniel 8483: return(0);
8484: }
8485:
1.98 daniel 8486: /************************************************************************
8487: * *
1.128 daniel 8488: * Progressive parsing interfaces *
8489: * *
8490: ************************************************************************/
8491:
8492: /**
8493: * xmlParseLookupSequence:
8494: * @ctxt: an XML parser context
8495: * @first: the first char to lookup
1.140 daniel 8496: * @next: the next char to lookup or zero
8497: * @third: the next char to lookup or zero
1.128 daniel 8498: *
1.140 daniel 8499: * Try to find if a sequence (first, next, third) or just (first next) or
8500: * (first) is available in the input stream.
8501: * This function has a side effect of (possibly) incrementing ctxt->checkIndex
8502: * to avoid rescanning sequences of bytes, it DOES change the state of the
8503: * parser, do not use liberally.
1.128 daniel 8504: *
1.140 daniel 8505: * Returns the index to the current parsing point if the full sequence
8506: * is available, -1 otherwise.
1.128 daniel 8507: */
8508: int
1.140 daniel 8509: xmlParseLookupSequence(xmlParserCtxtPtr ctxt, xmlChar first,
8510: xmlChar next, xmlChar third) {
8511: int base, len;
8512: xmlParserInputPtr in;
8513: const xmlChar *buf;
8514:
8515: in = ctxt->input;
8516: if (in == NULL) return(-1);
8517: base = in->cur - in->base;
8518: if (base < 0) return(-1);
8519: if (ctxt->checkIndex > base)
8520: base = ctxt->checkIndex;
8521: if (in->buf == NULL) {
8522: buf = in->base;
8523: len = in->length;
8524: } else {
8525: buf = in->buf->buffer->content;
8526: len = in->buf->buffer->use;
8527: }
8528: /* take into account the sequence length */
8529: if (third) len -= 2;
8530: else if (next) len --;
8531: for (;base < len;base++) {
8532: if (buf[base] == first) {
8533: if (third != 0) {
8534: if ((buf[base + 1] != next) ||
8535: (buf[base + 2] != third)) continue;
8536: } else if (next != 0) {
8537: if (buf[base + 1] != next) continue;
8538: }
8539: ctxt->checkIndex = 0;
8540: #ifdef DEBUG_PUSH
8541: if (next == 0)
8542: fprintf(stderr, "PP: lookup '%c' found at %d\n",
8543: first, base);
8544: else if (third == 0)
8545: fprintf(stderr, "PP: lookup '%c%c' found at %d\n",
8546: first, next, base);
8547: else
8548: fprintf(stderr, "PP: lookup '%c%c%c' found at %d\n",
8549: first, next, third, base);
8550: #endif
8551: return(base - (in->cur - in->base));
8552: }
8553: }
8554: ctxt->checkIndex = base;
8555: #ifdef DEBUG_PUSH
8556: if (next == 0)
8557: fprintf(stderr, "PP: lookup '%c' failed\n", first);
8558: else if (third == 0)
8559: fprintf(stderr, "PP: lookup '%c%c' failed\n", first, next);
8560: else
8561: fprintf(stderr, "PP: lookup '%c%c%c' failed\n", first, next, third);
8562: #endif
8563: return(-1);
1.128 daniel 8564: }
8565:
8566: /**
1.143 daniel 8567: * xmlParseTryOrFinish:
1.128 daniel 8568: * @ctxt: an XML parser context
1.143 daniel 8569: * @terminate: last chunk indicator
1.128 daniel 8570: *
8571: * Try to progress on parsing
8572: *
8573: * Returns zero if no parsing was possible
8574: */
8575: int
1.143 daniel 8576: xmlParseTryOrFinish(xmlParserCtxtPtr ctxt, int terminate) {
1.128 daniel 8577: int ret = 0;
1.140 daniel 8578: int avail;
8579: xmlChar cur, next;
8580:
8581: #ifdef DEBUG_PUSH
8582: switch (ctxt->instate) {
8583: case XML_PARSER_EOF:
8584: fprintf(stderr, "PP: try EOF\n"); break;
8585: case XML_PARSER_START:
8586: fprintf(stderr, "PP: try START\n"); break;
8587: case XML_PARSER_MISC:
8588: fprintf(stderr, "PP: try MISC\n");break;
8589: case XML_PARSER_COMMENT:
8590: fprintf(stderr, "PP: try COMMENT\n");break;
8591: case XML_PARSER_PROLOG:
8592: fprintf(stderr, "PP: try PROLOG\n");break;
8593: case XML_PARSER_START_TAG:
8594: fprintf(stderr, "PP: try START_TAG\n");break;
8595: case XML_PARSER_CONTENT:
8596: fprintf(stderr, "PP: try CONTENT\n");break;
8597: case XML_PARSER_CDATA_SECTION:
8598: fprintf(stderr, "PP: try CDATA_SECTION\n");break;
8599: case XML_PARSER_END_TAG:
8600: fprintf(stderr, "PP: try END_TAG\n");break;
8601: case XML_PARSER_ENTITY_DECL:
8602: fprintf(stderr, "PP: try ENTITY_DECL\n");break;
8603: case XML_PARSER_ENTITY_VALUE:
8604: fprintf(stderr, "PP: try ENTITY_VALUE\n");break;
8605: case XML_PARSER_ATTRIBUTE_VALUE:
8606: fprintf(stderr, "PP: try ATTRIBUTE_VALUE\n");break;
8607: case XML_PARSER_DTD:
8608: fprintf(stderr, "PP: try DTD\n");break;
8609: case XML_PARSER_EPILOG:
8610: fprintf(stderr, "PP: try EPILOG\n");break;
8611: case XML_PARSER_PI:
8612: fprintf(stderr, "PP: try PI\n");break;
8613: }
8614: #endif
1.128 daniel 8615:
8616: while (1) {
1.140 daniel 8617: /*
8618: * Pop-up of finished entities.
8619: */
1.152 daniel 8620: while ((RAW == 0) && (ctxt->inputNr > 1))
1.140 daniel 8621: xmlPopInput(ctxt);
8622:
1.184 daniel 8623: if (ctxt->input ==NULL) break;
8624: if (ctxt->input->buf == NULL)
8625: avail = ctxt->input->length - (ctxt->input->cur - ctxt->input->base);
1.140 daniel 8626: else
1.184 daniel 8627: avail = ctxt->input->buf->buffer->use - (ctxt->input->cur - ctxt->input->base);
1.140 daniel 8628: if (avail < 1)
8629: goto done;
1.128 daniel 8630: switch (ctxt->instate) {
8631: case XML_PARSER_EOF:
1.140 daniel 8632: /*
8633: * Document parsing is done !
8634: */
8635: goto done;
8636: case XML_PARSER_START:
8637: /*
8638: * Very first chars read from the document flow.
8639: */
1.184 daniel 8640: cur = ctxt->input->cur[0];
1.140 daniel 8641: if (IS_BLANK(cur)) {
8642: if ((ctxt->sax) && (ctxt->sax->setDocumentLocator))
8643: ctxt->sax->setDocumentLocator(ctxt->userData,
8644: &xmlDefaultSAXLocator);
8645: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
8646: ctxt->sax->error(ctxt->userData,
8647: "Extra spaces at the beginning of the document are not allowed\n");
8648: ctxt->errNo = XML_ERR_DOCUMENT_START;
8649: ctxt->wellFormed = 0;
1.180 daniel 8650: ctxt->disableSAX = 1;
1.140 daniel 8651: SKIP_BLANKS;
8652: ret++;
1.184 daniel 8653: if (ctxt->input->buf == NULL)
8654: avail = ctxt->input->length - (ctxt->input->cur - ctxt->input->base);
1.140 daniel 8655: else
1.184 daniel 8656: avail = ctxt->input->buf->buffer->use - (ctxt->input->cur - ctxt->input->base);
1.140 daniel 8657: }
8658: if (avail < 2)
8659: goto done;
8660:
1.184 daniel 8661: cur = ctxt->input->cur[0];
8662: next = ctxt->input->cur[1];
1.140 daniel 8663: if (cur == 0) {
8664: if ((ctxt->sax) && (ctxt->sax->setDocumentLocator))
8665: ctxt->sax->setDocumentLocator(ctxt->userData,
8666: &xmlDefaultSAXLocator);
8667: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
8668: ctxt->sax->error(ctxt->userData, "Document is empty\n");
8669: ctxt->errNo = XML_ERR_DOCUMENT_EMPTY;
8670: ctxt->wellFormed = 0;
1.180 daniel 8671: ctxt->disableSAX = 1;
1.140 daniel 8672: ctxt->instate = XML_PARSER_EOF;
8673: #ifdef DEBUG_PUSH
8674: fprintf(stderr, "PP: entering EOF\n");
8675: #endif
8676: if ((ctxt->sax) && (ctxt->sax->endDocument != NULL))
8677: ctxt->sax->endDocument(ctxt->userData);
8678: goto done;
8679: }
8680: if ((cur == '<') && (next == '?')) {
8681: /* PI or XML decl */
8682: if (avail < 5) return(ret);
1.143 daniel 8683: if ((!terminate) &&
8684: (xmlParseLookupSequence(ctxt, '?', '>', 0) < 0))
1.140 daniel 8685: return(ret);
8686: if ((ctxt->sax) && (ctxt->sax->setDocumentLocator))
8687: ctxt->sax->setDocumentLocator(ctxt->userData,
8688: &xmlDefaultSAXLocator);
1.184 daniel 8689: if ((ctxt->input->cur[2] == 'x') &&
8690: (ctxt->input->cur[3] == 'm') &&
8691: (ctxt->input->cur[4] == 'l') &&
8692: (IS_BLANK(ctxt->input->cur[5]))) {
1.140 daniel 8693: ret += 5;
8694: #ifdef DEBUG_PUSH
8695: fprintf(stderr, "PP: Parsing XML Decl\n");
8696: #endif
8697: xmlParseXMLDecl(ctxt);
1.167 daniel 8698: ctxt->standalone = ctxt->input->standalone;
1.164 daniel 8699: if ((ctxt->encoding == NULL) &&
8700: (ctxt->input->encoding != NULL))
8701: ctxt->encoding = xmlStrdup(ctxt->input->encoding);
1.171 daniel 8702: if ((ctxt->sax) && (ctxt->sax->startDocument) &&
8703: (!ctxt->disableSAX))
1.140 daniel 8704: ctxt->sax->startDocument(ctxt->userData);
8705: ctxt->instate = XML_PARSER_MISC;
8706: #ifdef DEBUG_PUSH
8707: fprintf(stderr, "PP: entering MISC\n");
8708: #endif
8709: } else {
8710: ctxt->version = xmlCharStrdup(XML_DEFAULT_VERSION);
1.171 daniel 8711: if ((ctxt->sax) && (ctxt->sax->startDocument) &&
8712: (!ctxt->disableSAX))
1.140 daniel 8713: ctxt->sax->startDocument(ctxt->userData);
8714: ctxt->instate = XML_PARSER_MISC;
8715: #ifdef DEBUG_PUSH
8716: fprintf(stderr, "PP: entering MISC\n");
8717: #endif
8718: }
8719: } else {
8720: if ((ctxt->sax) && (ctxt->sax->setDocumentLocator))
8721: ctxt->sax->setDocumentLocator(ctxt->userData,
8722: &xmlDefaultSAXLocator);
8723: ctxt->version = xmlCharStrdup(XML_DEFAULT_VERSION);
1.171 daniel 8724: if ((ctxt->sax) && (ctxt->sax->startDocument) &&
8725: (!ctxt->disableSAX))
1.140 daniel 8726: ctxt->sax->startDocument(ctxt->userData);
8727: ctxt->instate = XML_PARSER_MISC;
8728: #ifdef DEBUG_PUSH
8729: fprintf(stderr, "PP: entering MISC\n");
8730: #endif
8731: }
8732: break;
8733: case XML_PARSER_MISC:
8734: SKIP_BLANKS;
1.184 daniel 8735: if (ctxt->input->buf == NULL)
8736: avail = ctxt->input->length - (ctxt->input->cur - ctxt->input->base);
1.140 daniel 8737: else
1.184 daniel 8738: avail = ctxt->input->buf->buffer->use - (ctxt->input->cur - ctxt->input->base);
1.140 daniel 8739: if (avail < 2)
8740: goto done;
1.184 daniel 8741: cur = ctxt->input->cur[0];
8742: next = ctxt->input->cur[1];
1.140 daniel 8743: if ((cur == '<') && (next == '?')) {
1.143 daniel 8744: if ((!terminate) &&
8745: (xmlParseLookupSequence(ctxt, '?', '>', 0) < 0))
1.140 daniel 8746: goto done;
8747: #ifdef DEBUG_PUSH
8748: fprintf(stderr, "PP: Parsing PI\n");
8749: #endif
8750: xmlParsePI(ctxt);
8751: } else if ((cur == '<') && (next == '!') &&
1.184 daniel 8752: (ctxt->input->cur[2] == '-') && (ctxt->input->cur[3] == '-')) {
1.143 daniel 8753: if ((!terminate) &&
8754: (xmlParseLookupSequence(ctxt, '-', '-', '>') < 0))
1.140 daniel 8755: goto done;
8756: #ifdef DEBUG_PUSH
8757: fprintf(stderr, "PP: Parsing Comment\n");
8758: #endif
8759: xmlParseComment(ctxt);
8760: ctxt->instate = XML_PARSER_MISC;
8761: } else if ((cur == '<') && (next == '!') &&
1.184 daniel 8762: (ctxt->input->cur[2] == 'D') && (ctxt->input->cur[3] == 'O') &&
8763: (ctxt->input->cur[4] == 'C') && (ctxt->input->cur[5] == 'T') &&
8764: (ctxt->input->cur[6] == 'Y') && (ctxt->input->cur[7] == 'P') &&
8765: (ctxt->input->cur[8] == 'E')) {
1.143 daniel 8766: if ((!terminate) &&
8767: (xmlParseLookupSequence(ctxt, '>', 0, 0) < 0))
1.140 daniel 8768: goto done;
8769: #ifdef DEBUG_PUSH
8770: fprintf(stderr, "PP: Parsing internal subset\n");
8771: #endif
1.166 daniel 8772: ctxt->inSubset = 1;
1.140 daniel 8773: xmlParseDocTypeDecl(ctxt);
1.152 daniel 8774: if (RAW == '[') {
1.140 daniel 8775: ctxt->instate = XML_PARSER_DTD;
8776: #ifdef DEBUG_PUSH
8777: fprintf(stderr, "PP: entering DTD\n");
8778: #endif
8779: } else {
1.166 daniel 8780: /*
8781: * Create and update the external subset.
8782: */
8783: ctxt->inSubset = 2;
1.171 daniel 8784: if ((ctxt->sax != NULL) && (!ctxt->disableSAX) &&
1.166 daniel 8785: (ctxt->sax->externalSubset != NULL))
8786: ctxt->sax->externalSubset(ctxt->userData,
8787: ctxt->intSubName, ctxt->extSubSystem,
8788: ctxt->extSubURI);
8789: ctxt->inSubset = 0;
1.140 daniel 8790: ctxt->instate = XML_PARSER_PROLOG;
8791: #ifdef DEBUG_PUSH
8792: fprintf(stderr, "PP: entering PROLOG\n");
8793: #endif
8794: }
8795: } else if ((cur == '<') && (next == '!') &&
8796: (avail < 9)) {
8797: goto done;
8798: } else {
8799: ctxt->instate = XML_PARSER_START_TAG;
8800: #ifdef DEBUG_PUSH
8801: fprintf(stderr, "PP: entering START_TAG\n");
8802: #endif
8803: }
8804: break;
1.128 daniel 8805: case XML_PARSER_PROLOG:
1.140 daniel 8806: SKIP_BLANKS;
1.184 daniel 8807: if (ctxt->input->buf == NULL)
8808: avail = ctxt->input->length - (ctxt->input->cur - ctxt->input->base);
1.140 daniel 8809: else
1.184 daniel 8810: avail = ctxt->input->buf->buffer->use - (ctxt->input->cur - ctxt->input->base);
1.140 daniel 8811: if (avail < 2)
8812: goto done;
1.184 daniel 8813: cur = ctxt->input->cur[0];
8814: next = ctxt->input->cur[1];
1.140 daniel 8815: if ((cur == '<') && (next == '?')) {
1.143 daniel 8816: if ((!terminate) &&
8817: (xmlParseLookupSequence(ctxt, '?', '>', 0) < 0))
1.140 daniel 8818: goto done;
8819: #ifdef DEBUG_PUSH
8820: fprintf(stderr, "PP: Parsing PI\n");
8821: #endif
8822: xmlParsePI(ctxt);
8823: } else if ((cur == '<') && (next == '!') &&
1.184 daniel 8824: (ctxt->input->cur[2] == '-') && (ctxt->input->cur[3] == '-')) {
1.143 daniel 8825: if ((!terminate) &&
8826: (xmlParseLookupSequence(ctxt, '-', '-', '>') < 0))
1.140 daniel 8827: goto done;
8828: #ifdef DEBUG_PUSH
8829: fprintf(stderr, "PP: Parsing Comment\n");
8830: #endif
8831: xmlParseComment(ctxt);
8832: ctxt->instate = XML_PARSER_PROLOG;
8833: } else if ((cur == '<') && (next == '!') &&
8834: (avail < 4)) {
8835: goto done;
8836: } else {
8837: ctxt->instate = XML_PARSER_START_TAG;
8838: #ifdef DEBUG_PUSH
8839: fprintf(stderr, "PP: entering START_TAG\n");
8840: #endif
8841: }
8842: break;
8843: case XML_PARSER_EPILOG:
8844: SKIP_BLANKS;
1.184 daniel 8845: if (ctxt->input->buf == NULL)
8846: avail = ctxt->input->length - (ctxt->input->cur - ctxt->input->base);
1.140 daniel 8847: else
1.184 daniel 8848: avail = ctxt->input->buf->buffer->use - (ctxt->input->cur - ctxt->input->base);
1.140 daniel 8849: if (avail < 2)
8850: goto done;
1.184 daniel 8851: cur = ctxt->input->cur[0];
8852: next = ctxt->input->cur[1];
1.140 daniel 8853: if ((cur == '<') && (next == '?')) {
1.143 daniel 8854: if ((!terminate) &&
8855: (xmlParseLookupSequence(ctxt, '?', '>', 0) < 0))
1.140 daniel 8856: goto done;
8857: #ifdef DEBUG_PUSH
8858: fprintf(stderr, "PP: Parsing PI\n");
8859: #endif
8860: xmlParsePI(ctxt);
8861: ctxt->instate = XML_PARSER_EPILOG;
8862: } else if ((cur == '<') && (next == '!') &&
1.184 daniel 8863: (ctxt->input->cur[2] == '-') && (ctxt->input->cur[3] == '-')) {
1.143 daniel 8864: if ((!terminate) &&
8865: (xmlParseLookupSequence(ctxt, '-', '-', '>') < 0))
1.140 daniel 8866: goto done;
8867: #ifdef DEBUG_PUSH
8868: fprintf(stderr, "PP: Parsing Comment\n");
8869: #endif
8870: xmlParseComment(ctxt);
8871: ctxt->instate = XML_PARSER_EPILOG;
8872: } else if ((cur == '<') && (next == '!') &&
8873: (avail < 4)) {
8874: goto done;
8875: } else {
8876: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
8877: ctxt->sax->error(ctxt->userData,
8878: "Extra content at the end of the document\n");
8879: ctxt->wellFormed = 0;
1.180 daniel 8880: ctxt->disableSAX = 1;
1.140 daniel 8881: ctxt->errNo = XML_ERR_DOCUMENT_END;
8882: ctxt->instate = XML_PARSER_EOF;
8883: #ifdef DEBUG_PUSH
8884: fprintf(stderr, "PP: entering EOF\n");
8885: #endif
1.171 daniel 8886: if ((ctxt->sax) && (ctxt->sax->endDocument != NULL) &&
8887: (!ctxt->disableSAX))
1.140 daniel 8888: ctxt->sax->endDocument(ctxt->userData);
8889: goto done;
8890: }
8891: break;
8892: case XML_PARSER_START_TAG: {
8893: xmlChar *name, *oldname;
8894:
1.184 daniel 8895: if ((avail < 2) && (ctxt->inputNr == 1))
1.140 daniel 8896: goto done;
1.184 daniel 8897: cur = ctxt->input->cur[0];
1.140 daniel 8898: if (cur != '<') {
8899: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
8900: ctxt->sax->error(ctxt->userData,
8901: "Start tag expect, '<' not found\n");
8902: ctxt->errNo = XML_ERR_DOCUMENT_EMPTY;
8903: ctxt->wellFormed = 0;
1.180 daniel 8904: ctxt->disableSAX = 1;
1.140 daniel 8905: ctxt->instate = XML_PARSER_EOF;
8906: #ifdef DEBUG_PUSH
8907: fprintf(stderr, "PP: entering EOF\n");
8908: #endif
1.171 daniel 8909: if ((ctxt->sax) && (ctxt->sax->endDocument != NULL) &&
8910: (!ctxt->disableSAX))
1.140 daniel 8911: ctxt->sax->endDocument(ctxt->userData);
8912: goto done;
8913: }
1.143 daniel 8914: if ((!terminate) &&
8915: (xmlParseLookupSequence(ctxt, '>', 0, 0) < 0))
1.140 daniel 8916: goto done;
1.176 daniel 8917: if (ctxt->spaceNr == 0)
8918: spacePush(ctxt, -1);
8919: else
8920: spacePush(ctxt, *ctxt->space);
1.140 daniel 8921: name = xmlParseStartTag(ctxt);
8922: if (name == NULL) {
1.176 daniel 8923: spacePop(ctxt);
1.140 daniel 8924: ctxt->instate = XML_PARSER_EOF;
8925: #ifdef DEBUG_PUSH
8926: fprintf(stderr, "PP: entering EOF\n");
8927: #endif
1.171 daniel 8928: if ((ctxt->sax) && (ctxt->sax->endDocument != NULL) &&
8929: (!ctxt->disableSAX))
1.140 daniel 8930: ctxt->sax->endDocument(ctxt->userData);
8931: goto done;
8932: }
8933: namePush(ctxt, xmlStrdup(name));
8934:
8935: /*
8936: * [ VC: Root Element Type ]
8937: * The Name in the document type declaration must match
8938: * the element type of the root element.
8939: */
8940: if (ctxt->validate && ctxt->wellFormed && ctxt->myDoc &&
1.157 daniel 8941: ctxt->node && (ctxt->node == ctxt->myDoc->children))
1.140 daniel 8942: ctxt->valid &= xmlValidateRoot(&ctxt->vctxt, ctxt->myDoc);
8943:
8944: /*
8945: * Check for an Empty Element.
8946: */
1.152 daniel 8947: if ((RAW == '/') && (NXT(1) == '>')) {
1.140 daniel 8948: SKIP(2);
1.171 daniel 8949: if ((ctxt->sax != NULL) &&
8950: (ctxt->sax->endElement != NULL) && (!ctxt->disableSAX))
1.140 daniel 8951: ctxt->sax->endElement(ctxt->userData, name);
8952: xmlFree(name);
8953: oldname = namePop(ctxt);
1.176 daniel 8954: spacePop(ctxt);
1.140 daniel 8955: if (oldname != NULL) {
8956: #ifdef DEBUG_STACK
8957: fprintf(stderr,"Close: popped %s\n", oldname);
8958: #endif
8959: xmlFree(oldname);
8960: }
8961: if (ctxt->name == NULL) {
8962: ctxt->instate = XML_PARSER_EPILOG;
8963: #ifdef DEBUG_PUSH
8964: fprintf(stderr, "PP: entering EPILOG\n");
8965: #endif
8966: } else {
8967: ctxt->instate = XML_PARSER_CONTENT;
8968: #ifdef DEBUG_PUSH
8969: fprintf(stderr, "PP: entering CONTENT\n");
8970: #endif
8971: }
8972: break;
8973: }
1.152 daniel 8974: if (RAW == '>') {
1.140 daniel 8975: NEXT;
8976: } else {
8977: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
8978: ctxt->sax->error(ctxt->userData,
8979: "Couldn't find end of Start Tag %s\n",
8980: name);
8981: ctxt->wellFormed = 0;
1.180 daniel 8982: ctxt->disableSAX = 1;
1.140 daniel 8983: ctxt->errNo = XML_ERR_GT_REQUIRED;
8984:
8985: /*
8986: * end of parsing of this node.
8987: */
8988: nodePop(ctxt);
8989: oldname = namePop(ctxt);
1.176 daniel 8990: spacePop(ctxt);
1.140 daniel 8991: if (oldname != NULL) {
8992: #ifdef DEBUG_STACK
8993: fprintf(stderr,"Close: popped %s\n", oldname);
8994: #endif
8995: xmlFree(oldname);
8996: }
8997: }
8998: xmlFree(name);
8999: ctxt->instate = XML_PARSER_CONTENT;
9000: #ifdef DEBUG_PUSH
9001: fprintf(stderr, "PP: entering CONTENT\n");
9002: #endif
9003: break;
9004: }
1.128 daniel 9005: case XML_PARSER_CONTENT:
1.140 daniel 9006: /*
9007: * Handle preparsed entities and charRef
9008: */
9009: if (ctxt->token != 0) {
9010: xmlChar cur[2] = { 0 , 0 } ;
9011:
9012: cur[0] = (xmlChar) ctxt->token;
1.171 daniel 9013: if ((ctxt->sax != NULL) && (!ctxt->disableSAX) &&
9014: (ctxt->sax->characters != NULL))
1.140 daniel 9015: ctxt->sax->characters(ctxt->userData, cur, 1);
9016: ctxt->token = 0;
9017: }
1.184 daniel 9018: if ((avail < 2) && (ctxt->inputNr == 1))
1.140 daniel 9019: goto done;
1.184 daniel 9020: cur = ctxt->input->cur[0];
9021: next = ctxt->input->cur[1];
1.140 daniel 9022: if ((cur == '<') && (next == '?')) {
1.143 daniel 9023: if ((!terminate) &&
9024: (xmlParseLookupSequence(ctxt, '?', '>', 0) < 0))
1.140 daniel 9025: goto done;
9026: #ifdef DEBUG_PUSH
9027: fprintf(stderr, "PP: Parsing PI\n");
9028: #endif
9029: xmlParsePI(ctxt);
9030: } else if ((cur == '<') && (next == '!') &&
1.184 daniel 9031: (ctxt->input->cur[2] == '-') && (ctxt->input->cur[3] == '-')) {
1.143 daniel 9032: if ((!terminate) &&
9033: (xmlParseLookupSequence(ctxt, '-', '-', '>') < 0))
1.140 daniel 9034: goto done;
9035: #ifdef DEBUG_PUSH
9036: fprintf(stderr, "PP: Parsing Comment\n");
9037: #endif
9038: xmlParseComment(ctxt);
9039: ctxt->instate = XML_PARSER_CONTENT;
1.184 daniel 9040: } else if ((cur == '<') && (ctxt->input->cur[1] == '!') &&
9041: (ctxt->input->cur[2] == '[') && (NXT(3) == 'C') &&
9042: (ctxt->input->cur[4] == 'D') && (NXT(5) == 'A') &&
9043: (ctxt->input->cur[6] == 'T') && (NXT(7) == 'A') &&
9044: (ctxt->input->cur[8] == '[')) {
1.140 daniel 9045: SKIP(9);
9046: ctxt->instate = XML_PARSER_CDATA_SECTION;
9047: #ifdef DEBUG_PUSH
9048: fprintf(stderr, "PP: entering CDATA_SECTION\n");
9049: #endif
9050: break;
9051: } else if ((cur == '<') && (next == '!') &&
9052: (avail < 9)) {
9053: goto done;
9054: } else if ((cur == '<') && (next == '/')) {
9055: ctxt->instate = XML_PARSER_END_TAG;
9056: #ifdef DEBUG_PUSH
9057: fprintf(stderr, "PP: entering END_TAG\n");
9058: #endif
9059: break;
9060: } else if (cur == '<') {
9061: ctxt->instate = XML_PARSER_START_TAG;
9062: #ifdef DEBUG_PUSH
9063: fprintf(stderr, "PP: entering START_TAG\n");
9064: #endif
9065: break;
9066: } else if (cur == '&') {
1.143 daniel 9067: if ((!terminate) &&
9068: (xmlParseLookupSequence(ctxt, ';', 0, 0) < 0))
1.140 daniel 9069: goto done;
9070: #ifdef DEBUG_PUSH
9071: fprintf(stderr, "PP: Parsing Reference\n");
9072: #endif
9073: /* TODO: check generation of subtrees if noent !!! */
9074: xmlParseReference(ctxt);
9075: } else {
1.156 daniel 9076: /* TODO Avoid the extra copy, handle directly !!! */
1.140 daniel 9077: /*
1.181 daniel 9078: * Goal of the following test is:
1.140 daniel 9079: * - minimize calls to the SAX 'character' callback
9080: * when they are mergeable
9081: * - handle an problem for isBlank when we only parse
9082: * a sequence of blank chars and the next one is
9083: * not available to check against '<' presence.
9084: * - tries to homogenize the differences in SAX
9085: * callbacks beween the push and pull versions
9086: * of the parser.
9087: */
9088: if ((ctxt->inputNr == 1) &&
9089: (avail < XML_PARSER_BIG_BUFFER_SIZE)) {
1.143 daniel 9090: if ((!terminate) &&
9091: (xmlParseLookupSequence(ctxt, '<', 0, 0) < 0))
1.140 daniel 9092: goto done;
9093: }
9094: ctxt->checkIndex = 0;
9095: #ifdef DEBUG_PUSH
9096: fprintf(stderr, "PP: Parsing char data\n");
9097: #endif
9098: xmlParseCharData(ctxt, 0);
9099: }
9100: /*
9101: * Pop-up of finished entities.
9102: */
1.152 daniel 9103: while ((RAW == 0) && (ctxt->inputNr > 1))
1.140 daniel 9104: xmlPopInput(ctxt);
9105: break;
9106: case XML_PARSER_CDATA_SECTION: {
9107: /*
9108: * The Push mode need to have the SAX callback for
9109: * cdataBlock merge back contiguous callbacks.
9110: */
9111: int base;
9112:
9113: base = xmlParseLookupSequence(ctxt, ']', ']', '>');
9114: if (base < 0) {
9115: if (avail >= XML_PARSER_BIG_BUFFER_SIZE + 2) {
1.171 daniel 9116: if ((ctxt->sax != NULL) && (!ctxt->disableSAX)) {
1.140 daniel 9117: if (ctxt->sax->cdataBlock != NULL)
1.184 daniel 9118: ctxt->sax->cdataBlock(ctxt->userData, ctxt->input->cur,
1.140 daniel 9119: XML_PARSER_BIG_BUFFER_SIZE);
9120: }
9121: SKIP(XML_PARSER_BIG_BUFFER_SIZE);
9122: ctxt->checkIndex = 0;
9123: }
9124: goto done;
9125: } else {
1.171 daniel 9126: if ((ctxt->sax != NULL) && (base > 0) &&
9127: (!ctxt->disableSAX)) {
1.140 daniel 9128: if (ctxt->sax->cdataBlock != NULL)
9129: ctxt->sax->cdataBlock(ctxt->userData,
1.184 daniel 9130: ctxt->input->cur, base);
1.140 daniel 9131: }
9132: SKIP(base + 3);
9133: ctxt->checkIndex = 0;
9134: ctxt->instate = XML_PARSER_CONTENT;
9135: #ifdef DEBUG_PUSH
9136: fprintf(stderr, "PP: entering CONTENT\n");
9137: #endif
9138: }
9139: break;
9140: }
1.141 daniel 9141: case XML_PARSER_END_TAG:
1.140 daniel 9142: if (avail < 2)
9143: goto done;
1.143 daniel 9144: if ((!terminate) &&
9145: (xmlParseLookupSequence(ctxt, '>', 0, 0) < 0))
1.140 daniel 9146: goto done;
9147: xmlParseEndTag(ctxt);
9148: if (ctxt->name == NULL) {
9149: ctxt->instate = XML_PARSER_EPILOG;
9150: #ifdef DEBUG_PUSH
9151: fprintf(stderr, "PP: entering EPILOG\n");
9152: #endif
9153: } else {
9154: ctxt->instate = XML_PARSER_CONTENT;
9155: #ifdef DEBUG_PUSH
9156: fprintf(stderr, "PP: entering CONTENT\n");
9157: #endif
9158: }
9159: break;
9160: case XML_PARSER_DTD: {
9161: /*
9162: * Sorry but progressive parsing of the internal subset
9163: * is not expected to be supported. We first check that
9164: * the full content of the internal subset is available and
9165: * the parsing is launched only at that point.
9166: * Internal subset ends up with "']' S? '>'" in an unescaped
9167: * section and not in a ']]>' sequence which are conditional
9168: * sections (whoever argued to keep that crap in XML deserve
9169: * a place in hell !).
9170: */
9171: int base, i;
9172: xmlChar *buf;
9173: xmlChar quote = 0;
9174:
1.184 daniel 9175: base = ctxt->input->cur - ctxt->input->base;
1.140 daniel 9176: if (base < 0) return(0);
9177: if (ctxt->checkIndex > base)
9178: base = ctxt->checkIndex;
1.184 daniel 9179: buf = ctxt->input->buf->buffer->content;
9180: for (;base < ctxt->input->buf->buffer->use;base++) {
1.140 daniel 9181: if (quote != 0) {
9182: if (buf[base] == quote)
9183: quote = 0;
9184: continue;
9185: }
9186: if (buf[base] == '"') {
9187: quote = '"';
9188: continue;
9189: }
9190: if (buf[base] == '\'') {
9191: quote = '\'';
9192: continue;
9193: }
9194: if (buf[base] == ']') {
1.184 daniel 9195: if (base +1 >= ctxt->input->buf->buffer->use)
1.140 daniel 9196: break;
9197: if (buf[base + 1] == ']') {
9198: /* conditional crap, skip both ']' ! */
9199: base++;
9200: continue;
9201: }
1.184 daniel 9202: for (i = 0;base + i < ctxt->input->buf->buffer->use;i++) {
1.140 daniel 9203: if (buf[base + i] == '>')
9204: goto found_end_int_subset;
9205: }
9206: break;
9207: }
9208: }
9209: /*
9210: * We didn't found the end of the Internal subset
9211: */
9212: if (quote == 0)
9213: ctxt->checkIndex = base;
9214: #ifdef DEBUG_PUSH
9215: if (next == 0)
9216: fprintf(stderr, "PP: lookup of int subset end filed\n");
9217: #endif
9218: goto done;
9219:
9220: found_end_int_subset:
9221: xmlParseInternalSubset(ctxt);
1.166 daniel 9222: ctxt->inSubset = 2;
1.171 daniel 9223: if ((ctxt->sax != NULL) && (!ctxt->disableSAX) &&
1.166 daniel 9224: (ctxt->sax->externalSubset != NULL))
9225: ctxt->sax->externalSubset(ctxt->userData, ctxt->intSubName,
9226: ctxt->extSubSystem, ctxt->extSubURI);
9227: ctxt->inSubset = 0;
1.140 daniel 9228: ctxt->instate = XML_PARSER_PROLOG;
9229: ctxt->checkIndex = 0;
9230: #ifdef DEBUG_PUSH
9231: fprintf(stderr, "PP: entering PROLOG\n");
9232: #endif
9233: break;
9234: }
9235: case XML_PARSER_COMMENT:
9236: fprintf(stderr, "PP: internal error, state == COMMENT\n");
9237: ctxt->instate = XML_PARSER_CONTENT;
9238: #ifdef DEBUG_PUSH
9239: fprintf(stderr, "PP: entering CONTENT\n");
9240: #endif
9241: break;
9242: case XML_PARSER_PI:
9243: fprintf(stderr, "PP: internal error, state == PI\n");
9244: ctxt->instate = XML_PARSER_CONTENT;
9245: #ifdef DEBUG_PUSH
9246: fprintf(stderr, "PP: entering CONTENT\n");
9247: #endif
9248: break;
1.128 daniel 9249: case XML_PARSER_ENTITY_DECL:
1.140 daniel 9250: fprintf(stderr, "PP: internal error, state == ENTITY_DECL\n");
9251: ctxt->instate = XML_PARSER_DTD;
9252: #ifdef DEBUG_PUSH
9253: fprintf(stderr, "PP: entering DTD\n");
9254: #endif
9255: break;
1.128 daniel 9256: case XML_PARSER_ENTITY_VALUE:
1.140 daniel 9257: fprintf(stderr, "PP: internal error, state == ENTITY_VALUE\n");
9258: ctxt->instate = XML_PARSER_CONTENT;
9259: #ifdef DEBUG_PUSH
9260: fprintf(stderr, "PP: entering DTD\n");
9261: #endif
9262: break;
1.128 daniel 9263: case XML_PARSER_ATTRIBUTE_VALUE:
1.140 daniel 9264: fprintf(stderr, "PP: internal error, state == ATTRIBUTE_VALUE\n");
1.168 daniel 9265: ctxt->instate = XML_PARSER_START_TAG;
9266: #ifdef DEBUG_PUSH
9267: fprintf(stderr, "PP: entering START_TAG\n");
9268: #endif
9269: break;
9270: case XML_PARSER_SYSTEM_LITERAL:
9271: fprintf(stderr, "PP: internal error, state == SYSTEM_LITERAL\n");
1.140 daniel 9272: ctxt->instate = XML_PARSER_START_TAG;
9273: #ifdef DEBUG_PUSH
9274: fprintf(stderr, "PP: entering START_TAG\n");
9275: #endif
9276: break;
1.128 daniel 9277: }
9278: }
1.140 daniel 9279: done:
9280: #ifdef DEBUG_PUSH
9281: fprintf(stderr, "PP: done %d\n", ret);
9282: #endif
1.128 daniel 9283: return(ret);
9284: }
9285:
9286: /**
1.143 daniel 9287: * xmlParseTry:
9288: * @ctxt: an XML parser context
9289: *
9290: * Try to progress on parsing
9291: *
9292: * Returns zero if no parsing was possible
9293: */
9294: int
9295: xmlParseTry(xmlParserCtxtPtr ctxt) {
9296: return(xmlParseTryOrFinish(ctxt, 0));
9297: }
9298:
9299: /**
1.128 daniel 9300: * xmlParseChunk:
9301: * @ctxt: an XML parser context
9302: * @chunk: an char array
9303: * @size: the size in byte of the chunk
9304: * @terminate: last chunk indicator
9305: *
9306: * Parse a Chunk of memory
9307: *
9308: * Returns zero if no error, the xmlParserErrors otherwise.
9309: */
1.140 daniel 9310: int
1.128 daniel 9311: xmlParseChunk(xmlParserCtxtPtr ctxt, const char *chunk, int size,
9312: int terminate) {
1.132 daniel 9313: if ((size > 0) && (chunk != NULL) && (ctxt->input != NULL) &&
1.140 daniel 9314: (ctxt->input->buf != NULL) && (ctxt->instate != XML_PARSER_EOF)) {
9315: int base = ctxt->input->base - ctxt->input->buf->buffer->content;
9316: int cur = ctxt->input->cur - ctxt->input->base;
9317:
1.132 daniel 9318: xmlParserInputBufferPush(ctxt->input->buf, size, chunk);
1.140 daniel 9319: ctxt->input->base = ctxt->input->buf->buffer->content + base;
9320: ctxt->input->cur = ctxt->input->base + cur;
9321: #ifdef DEBUG_PUSH
9322: fprintf(stderr, "PP: pushed %d\n", size);
9323: #endif
9324:
1.150 daniel 9325: if ((terminate) || (ctxt->input->buf->buffer->use > 80))
9326: xmlParseTryOrFinish(ctxt, terminate);
1.140 daniel 9327: } else if (ctxt->instate != XML_PARSER_EOF)
1.143 daniel 9328: xmlParseTryOrFinish(ctxt, terminate);
1.140 daniel 9329: if (terminate) {
1.151 daniel 9330: /*
9331: * Grab the encoding if it was added on-the-fly
9332: */
9333: if ((ctxt->encoding != NULL) && (ctxt->myDoc != NULL) &&
9334: (ctxt->myDoc->encoding == NULL)) {
9335: ctxt->myDoc->encoding = ctxt->encoding;
9336: ctxt->encoding = NULL;
9337: }
9338:
9339: /*
9340: * Check for termination
9341: */
1.140 daniel 9342: if ((ctxt->instate != XML_PARSER_EOF) &&
9343: (ctxt->instate != XML_PARSER_EPILOG)) {
9344: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
9345: ctxt->sax->error(ctxt->userData,
9346: "Extra content at the end of the document\n");
9347: ctxt->wellFormed = 0;
1.180 daniel 9348: ctxt->disableSAX = 1;
1.140 daniel 9349: ctxt->errNo = XML_ERR_DOCUMENT_END;
9350: }
9351: if (ctxt->instate != XML_PARSER_EOF) {
1.171 daniel 9352: if ((ctxt->sax) && (ctxt->sax->endDocument != NULL) &&
9353: (!ctxt->disableSAX))
1.140 daniel 9354: ctxt->sax->endDocument(ctxt->userData);
9355: }
9356: ctxt->instate = XML_PARSER_EOF;
1.128 daniel 9357: }
9358: return((xmlParserErrors) ctxt->errNo);
9359: }
9360:
9361: /************************************************************************
9362: * *
1.98 daniel 9363: * I/O front end functions to the parser *
9364: * *
9365: ************************************************************************/
9366:
1.50 daniel 9367: /**
1.181 daniel 9368: * xmlCreatePushParserCtxt:
1.140 daniel 9369: * @sax: a SAX handler
9370: * @user_data: The user data returned on SAX callbacks
9371: * @chunk: a pointer to an array of chars
9372: * @size: number of chars in the array
9373: * @filename: an optional file name or URI
9374: *
9375: * Create a parser context for using the XML parser in push mode
9376: * To allow content encoding detection, @size should be >= 4
9377: * The value of @filename is used for fetching external entities
9378: * and error/warning reports.
9379: *
9380: * Returns the new parser context or NULL
9381: */
9382: xmlParserCtxtPtr
9383: xmlCreatePushParserCtxt(xmlSAXHandlerPtr sax, void *user_data,
9384: const char *chunk, int size, const char *filename) {
9385: xmlParserCtxtPtr ctxt;
9386: xmlParserInputPtr inputStream;
9387: xmlParserInputBufferPtr buf;
9388: xmlCharEncoding enc = XML_CHAR_ENCODING_NONE;
9389:
9390: /*
1.156 daniel 9391: * plug some encoding conversion routines
1.140 daniel 9392: */
9393: if ((chunk != NULL) && (size >= 4))
1.156 daniel 9394: enc = xmlDetectCharEncoding((const xmlChar *) chunk, size);
1.140 daniel 9395:
9396: buf = xmlAllocParserInputBuffer(enc);
9397: if (buf == NULL) return(NULL);
9398:
9399: ctxt = xmlNewParserCtxt();
9400: if (ctxt == NULL) {
9401: xmlFree(buf);
9402: return(NULL);
9403: }
9404: if (sax != NULL) {
9405: if (ctxt->sax != &xmlDefaultSAXHandler)
9406: xmlFree(ctxt->sax);
9407: ctxt->sax = (xmlSAXHandlerPtr) xmlMalloc(sizeof(xmlSAXHandler));
9408: if (ctxt->sax == NULL) {
9409: xmlFree(buf);
9410: xmlFree(ctxt);
9411: return(NULL);
9412: }
9413: memcpy(ctxt->sax, sax, sizeof(xmlSAXHandler));
9414: if (user_data != NULL)
9415: ctxt->userData = user_data;
9416: }
9417: if (filename == NULL) {
9418: ctxt->directory = NULL;
9419: } else {
9420: ctxt->directory = xmlParserGetDirectory(filename);
9421: }
9422:
9423: inputStream = xmlNewInputStream(ctxt);
9424: if (inputStream == NULL) {
9425: xmlFreeParserCtxt(ctxt);
9426: return(NULL);
9427: }
9428:
9429: if (filename == NULL)
9430: inputStream->filename = NULL;
9431: else
9432: inputStream->filename = xmlMemStrdup(filename);
9433: inputStream->buf = buf;
9434: inputStream->base = inputStream->buf->buffer->content;
9435: inputStream->cur = inputStream->buf->buffer->content;
1.156 daniel 9436: if (enc != XML_CHAR_ENCODING_NONE) {
9437: xmlSwitchEncoding(ctxt, enc);
9438: }
1.140 daniel 9439:
9440: inputPush(ctxt, inputStream);
9441:
9442: if ((size > 0) && (chunk != NULL) && (ctxt->input != NULL) &&
9443: (ctxt->input->buf != NULL)) {
9444: xmlParserInputBufferPush(ctxt->input->buf, size, chunk);
9445: #ifdef DEBUG_PUSH
9446: fprintf(stderr, "PP: pushed %d\n", size);
9447: #endif
9448: }
9449:
9450: return(ctxt);
9451: }
9452:
9453: /**
1.181 daniel 9454: * xmlCreateDocParserCtxt:
1.123 daniel 9455: * @cur: a pointer to an array of xmlChar
1.50 daniel 9456: *
1.69 daniel 9457: * Create a parser context for an XML in-memory document.
9458: *
9459: * Returns the new parser context or NULL
1.16 daniel 9460: */
1.69 daniel 9461: xmlParserCtxtPtr
1.123 daniel 9462: xmlCreateDocParserCtxt(xmlChar *cur) {
1.16 daniel 9463: xmlParserCtxtPtr ctxt;
1.40 daniel 9464: xmlParserInputPtr input;
1.16 daniel 9465:
1.97 daniel 9466: ctxt = xmlNewParserCtxt();
1.16 daniel 9467: if (ctxt == NULL) {
9468: return(NULL);
9469: }
1.96 daniel 9470: input = xmlNewInputStream(ctxt);
1.40 daniel 9471: if (input == NULL) {
1.97 daniel 9472: xmlFreeParserCtxt(ctxt);
1.40 daniel 9473: return(NULL);
9474: }
9475:
9476: input->base = cur;
9477: input->cur = cur;
9478:
9479: inputPush(ctxt, input);
1.69 daniel 9480: return(ctxt);
9481: }
9482:
9483: /**
1.181 daniel 9484: * xmlSAXParseDoc:
1.69 daniel 9485: * @sax: the SAX handler block
1.123 daniel 9486: * @cur: a pointer to an array of xmlChar
1.69 daniel 9487: * @recovery: work in recovery mode, i.e. tries to read no Well Formed
9488: * documents
9489: *
9490: * parse an XML in-memory document and build a tree.
9491: * It use the given SAX function block to handle the parsing callback.
9492: * If sax is NULL, fallback to the default DOM tree building routines.
9493: *
9494: * Returns the resulting document tree
9495: */
9496:
9497: xmlDocPtr
1.123 daniel 9498: xmlSAXParseDoc(xmlSAXHandlerPtr sax, xmlChar *cur, int recovery) {
1.69 daniel 9499: xmlDocPtr ret;
9500: xmlParserCtxtPtr ctxt;
9501:
9502: if (cur == NULL) return(NULL);
1.16 daniel 9503:
9504:
1.69 daniel 9505: ctxt = xmlCreateDocParserCtxt(cur);
9506: if (ctxt == NULL) return(NULL);
1.74 daniel 9507: if (sax != NULL) {
9508: ctxt->sax = sax;
9509: ctxt->userData = NULL;
9510: }
1.69 daniel 9511:
1.16 daniel 9512: xmlParseDocument(ctxt);
1.72 daniel 9513: if ((ctxt->wellFormed) || recovery) ret = ctxt->myDoc;
1.59 daniel 9514: else {
9515: ret = NULL;
1.72 daniel 9516: xmlFreeDoc(ctxt->myDoc);
9517: ctxt->myDoc = NULL;
1.59 daniel 9518: }
1.86 daniel 9519: if (sax != NULL)
9520: ctxt->sax = NULL;
1.69 daniel 9521: xmlFreeParserCtxt(ctxt);
1.16 daniel 9522:
1.1 veillard 9523: return(ret);
9524: }
9525:
1.50 daniel 9526: /**
1.181 daniel 9527: * xmlParseDoc:
1.123 daniel 9528: * @cur: a pointer to an array of xmlChar
1.55 daniel 9529: *
9530: * parse an XML in-memory document and build a tree.
9531: *
1.68 daniel 9532: * Returns the resulting document tree
1.55 daniel 9533: */
9534:
1.69 daniel 9535: xmlDocPtr
1.123 daniel 9536: xmlParseDoc(xmlChar *cur) {
1.59 daniel 9537: return(xmlSAXParseDoc(NULL, cur, 0));
1.76 daniel 9538: }
9539:
9540: /**
1.181 daniel 9541: * xmlSAXParseDTD:
1.76 daniel 9542: * @sax: the SAX handler block
9543: * @ExternalID: a NAME* containing the External ID of the DTD
9544: * @SystemID: a NAME* containing the URL to the DTD
9545: *
9546: * Load and parse an external subset.
9547: *
9548: * Returns the resulting xmlDtdPtr or NULL in case of error.
9549: */
9550:
9551: xmlDtdPtr
1.123 daniel 9552: xmlSAXParseDTD(xmlSAXHandlerPtr sax, const xmlChar *ExternalID,
9553: const xmlChar *SystemID) {
1.76 daniel 9554: xmlDtdPtr ret = NULL;
9555: xmlParserCtxtPtr ctxt;
1.83 daniel 9556: xmlParserInputPtr input = NULL;
1.76 daniel 9557: xmlCharEncoding enc;
9558:
9559: if ((ExternalID == NULL) && (SystemID == NULL)) return(NULL);
9560:
1.97 daniel 9561: ctxt = xmlNewParserCtxt();
1.76 daniel 9562: if (ctxt == NULL) {
9563: return(NULL);
9564: }
9565:
9566: /*
9567: * Set-up the SAX context
9568: */
9569: if (ctxt == NULL) return(NULL);
9570: if (sax != NULL) {
1.93 veillard 9571: if (ctxt->sax != NULL)
1.119 daniel 9572: xmlFree(ctxt->sax);
1.76 daniel 9573: ctxt->sax = sax;
9574: ctxt->userData = NULL;
9575: }
9576:
9577: /*
9578: * Ask the Entity resolver to load the damn thing
9579: */
9580:
9581: if ((ctxt->sax != NULL) && (ctxt->sax->resolveEntity != NULL))
9582: input = ctxt->sax->resolveEntity(ctxt->userData, ExternalID, SystemID);
9583: if (input == NULL) {
1.86 daniel 9584: if (sax != NULL) ctxt->sax = NULL;
1.76 daniel 9585: xmlFreeParserCtxt(ctxt);
9586: return(NULL);
9587: }
9588:
9589: /*
1.156 daniel 9590: * plug some encoding conversion routines here.
1.76 daniel 9591: */
9592: xmlPushInput(ctxt, input);
1.156 daniel 9593: enc = xmlDetectCharEncoding(ctxt->input->cur, 4);
1.76 daniel 9594: xmlSwitchEncoding(ctxt, enc);
9595:
1.95 veillard 9596: if (input->filename == NULL)
1.156 daniel 9597: input->filename = (char *) xmlStrdup(SystemID);
1.76 daniel 9598: input->line = 1;
9599: input->col = 1;
9600: input->base = ctxt->input->cur;
9601: input->cur = ctxt->input->cur;
9602: input->free = NULL;
9603:
9604: /*
9605: * let's parse that entity knowing it's an external subset.
9606: */
1.79 daniel 9607: xmlParseExternalSubset(ctxt, ExternalID, SystemID);
1.76 daniel 9608:
9609: if (ctxt->myDoc != NULL) {
9610: if (ctxt->wellFormed) {
9611: ret = ctxt->myDoc->intSubset;
9612: ctxt->myDoc->intSubset = NULL;
9613: } else {
9614: ret = NULL;
9615: }
9616: xmlFreeDoc(ctxt->myDoc);
9617: ctxt->myDoc = NULL;
9618: }
1.86 daniel 9619: if (sax != NULL) ctxt->sax = NULL;
1.76 daniel 9620: xmlFreeParserCtxt(ctxt);
9621:
9622: return(ret);
9623: }
9624:
9625: /**
1.181 daniel 9626: * xmlParseDTD:
1.76 daniel 9627: * @ExternalID: a NAME* containing the External ID of the DTD
9628: * @SystemID: a NAME* containing the URL to the DTD
9629: *
9630: * Load and parse an external subset.
9631: *
9632: * Returns the resulting xmlDtdPtr or NULL in case of error.
9633: */
9634:
9635: xmlDtdPtr
1.123 daniel 9636: xmlParseDTD(const xmlChar *ExternalID, const xmlChar *SystemID) {
1.76 daniel 9637: return(xmlSAXParseDTD(NULL, ExternalID, SystemID));
1.59 daniel 9638: }
9639:
9640: /**
1.181 daniel 9641: * xmlSAXParseBalancedChunk:
1.144 daniel 9642: * @ctx: an XML parser context (possibly NULL)
9643: * @sax: the SAX handler bloc (possibly NULL)
9644: * @user_data: The user data returned on SAX callbacks (possibly NULL)
9645: * @input: a parser input stream
9646: * @enc: the encoding
9647: *
9648: * Parse a well-balanced chunk of an XML document
9649: * The user has to provide SAX callback block whose routines will be
9650: * called by the parser
9651: * The allowed sequence for the Well Balanced Chunk is the one defined by
9652: * the content production in the XML grammar:
9653: *
9654: * [43] content ::= (element | CharData | Reference | CDSect | PI | Comment)*
9655: *
1.176 daniel 9656: * Returns 0 if the chunk is well balanced, -1 in case of args problem and
1.144 daniel 9657: * the error code otherwise
9658: */
9659:
9660: int
9661: xmlSAXParseBalancedChunk(xmlParserCtxtPtr ctx, xmlSAXHandlerPtr sax,
9662: void *user_data, xmlParserInputPtr input,
9663: xmlCharEncoding enc) {
9664: xmlParserCtxtPtr ctxt;
9665: int ret;
9666:
9667: if (input == NULL) return(-1);
9668:
9669: if (ctx != NULL)
9670: ctxt = ctx;
9671: else {
9672: ctxt = xmlNewParserCtxt();
9673: if (ctxt == NULL)
9674: return(-1);
9675: if (sax == NULL)
9676: ctxt->myDoc = xmlNewDoc(BAD_CAST "1.0");
9677: }
9678:
9679: /*
9680: * Set-up the SAX context
9681: */
9682: if (sax != NULL) {
9683: if (ctxt->sax != NULL)
9684: xmlFree(ctxt->sax);
9685: ctxt->sax = sax;
9686: ctxt->userData = user_data;
9687: }
9688:
9689: /*
9690: * plug some encoding conversion routines here.
9691: */
9692: xmlPushInput(ctxt, input);
9693: if (enc != XML_CHAR_ENCODING_NONE)
9694: xmlSwitchEncoding(ctxt, enc);
9695:
9696: /*
9697: * let's parse that entity knowing it's an external subset.
9698: */
9699: xmlParseContent(ctxt);
9700: ret = ctxt->errNo;
9701:
9702: if (ctx == NULL) {
9703: if (sax != NULL)
9704: ctxt->sax = NULL;
9705: else
9706: xmlFreeDoc(ctxt->myDoc);
9707: xmlFreeParserCtxt(ctxt);
9708: }
9709: return(ret);
9710: }
9711:
9712: /**
1.181 daniel 9713: * xmlParseExternalEntity:
9714: * @doc: the document the chunk pertains to
9715: * @sax: the SAX handler bloc (possibly NULL)
9716: * @user_data: The user data returned on SAX callbacks (possibly NULL)
1.185 daniel 9717: * @depth: Used for loop detection, use 0
1.181 daniel 9718: * @URL: the URL for the entity to load
9719: * @ID: the System ID for the entity to load
9720: * @list: the return value for the set of parsed nodes
9721: *
9722: * Parse an external general entity
9723: * An external general parsed entity is well-formed if it matches the
9724: * production labeled extParsedEnt.
9725: *
9726: * [78] extParsedEnt ::= TextDecl? content
9727: *
9728: * Returns 0 if the entity is well formed, -1 in case of args problem and
9729: * the parser error code otherwise
9730: */
9731:
9732: int
9733: xmlParseExternalEntity(xmlDocPtr doc, xmlSAXHandlerPtr sax, void *user_data,
1.185 daniel 9734: int depth, const xmlChar *URL, const xmlChar *ID, xmlNodePtr *list) {
1.181 daniel 9735: xmlParserCtxtPtr ctxt;
9736: xmlDocPtr newDoc;
9737: xmlSAXHandlerPtr oldsax = NULL;
9738: int ret = 0;
9739:
1.185 daniel 9740: if (depth > 40) {
9741: return(XML_ERR_ENTITY_LOOP);
9742: }
9743:
9744:
1.181 daniel 9745:
9746: if (list != NULL)
9747: *list = NULL;
9748: if ((URL == NULL) && (ID == NULL))
9749: return(-1);
9750:
9751:
9752: ctxt = xmlCreateEntityParserCtxt(URL, ID, doc->URL);
9753: if (ctxt == NULL) return(-1);
9754: ctxt->userData = ctxt;
9755: if (sax != NULL) {
9756: oldsax = ctxt->sax;
9757: ctxt->sax = sax;
9758: if (user_data != NULL)
9759: ctxt->userData = user_data;
9760: }
9761: newDoc = xmlNewDoc(BAD_CAST "1.0");
9762: if (newDoc == NULL) {
9763: xmlFreeParserCtxt(ctxt);
9764: return(-1);
9765: }
9766: if (doc != NULL) {
9767: newDoc->intSubset = doc->intSubset;
9768: newDoc->extSubset = doc->extSubset;
9769: }
9770: if (doc->URL != NULL) {
9771: newDoc->URL = xmlStrdup(doc->URL);
9772: }
9773: newDoc->children = xmlNewDocNode(newDoc, NULL, BAD_CAST "pseudoroot", NULL);
9774: if (newDoc->children == NULL) {
9775: if (sax != NULL)
9776: ctxt->sax = oldsax;
9777: xmlFreeParserCtxt(ctxt);
9778: newDoc->intSubset = NULL;
9779: newDoc->extSubset = NULL;
9780: xmlFreeDoc(newDoc);
9781: return(-1);
9782: }
9783: nodePush(ctxt, newDoc->children);
9784: if (doc == NULL) {
9785: ctxt->myDoc = newDoc;
9786: } else {
9787: ctxt->myDoc = doc;
9788: newDoc->children->doc = doc;
9789: }
9790:
9791: /*
9792: * Parse a possible text declaration first
9793: */
9794: GROW;
9795: if ((RAW == '<') && (NXT(1) == '?') &&
9796: (NXT(2) == 'x') && (NXT(3) == 'm') &&
9797: (NXT(4) == 'l') && (IS_BLANK(NXT(5)))) {
9798: xmlParseTextDecl(ctxt);
9799: }
9800:
9801: /*
9802: * Doing validity checking on chunk doesn't make sense
9803: */
9804: ctxt->instate = XML_PARSER_CONTENT;
9805: ctxt->validate = 0;
1.185 daniel 9806: ctxt->depth = depth;
1.181 daniel 9807:
9808: xmlParseContent(ctxt);
9809:
9810: if ((RAW == '<') && (NXT(1) == '/')) {
9811: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
9812: ctxt->sax->error(ctxt->userData,
9813: "chunk is not well balanced\n");
9814: ctxt->wellFormed = 0;
9815: ctxt->disableSAX = 1;
9816: ctxt->errNo = XML_ERR_NOT_WELL_BALANCED;
9817: } else if (RAW != 0) {
9818: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
9819: ctxt->sax->error(ctxt->userData,
9820: "extra content at the end of well balanced chunk\n");
9821: ctxt->wellFormed = 0;
9822: ctxt->disableSAX = 1;
9823: ctxt->errNo = XML_ERR_EXTRA_CONTENT;
9824: }
9825: if (ctxt->node != newDoc->children) {
9826: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
9827: ctxt->sax->error(ctxt->userData,
9828: "chunk is not well balanced\n");
9829: ctxt->wellFormed = 0;
9830: ctxt->disableSAX = 1;
9831: ctxt->errNo = XML_ERR_NOT_WELL_BALANCED;
9832: }
9833:
9834: if (!ctxt->wellFormed) {
9835: if (ctxt->errNo == 0)
9836: ret = 1;
9837: else
9838: ret = ctxt->errNo;
9839: } else {
9840: if (list != NULL) {
9841: xmlNodePtr cur;
9842:
9843: /*
9844: * Return the newly created nodeset after unlinking it from
9845: * they pseudo parent.
9846: */
9847: cur = newDoc->children->children;
9848: *list = cur;
9849: while (cur != NULL) {
9850: cur->parent = NULL;
9851: cur = cur->next;
9852: }
9853: newDoc->children->children = NULL;
9854: }
9855: ret = 0;
9856: }
9857: if (sax != NULL)
9858: ctxt->sax = oldsax;
9859: xmlFreeParserCtxt(ctxt);
9860: newDoc->intSubset = NULL;
9861: newDoc->extSubset = NULL;
9862: xmlFreeDoc(newDoc);
9863:
9864: return(ret);
9865: }
9866:
9867: /**
9868: * xmlParseBalancedChunk:
1.176 daniel 9869: * @doc: the document the chunk pertains to
9870: * @sax: the SAX handler bloc (possibly NULL)
9871: * @user_data: The user data returned on SAX callbacks (possibly NULL)
1.185 daniel 9872: * @depth: Used for loop detection, use 0
1.176 daniel 9873: * @string: the input string in UTF8 or ISO-Latin (zero terminated)
9874: * @list: the return value for the set of parsed nodes
9875: *
9876: * Parse a well-balanced chunk of an XML document
9877: * called by the parser
9878: * The allowed sequence for the Well Balanced Chunk is the one defined by
9879: * the content production in the XML grammar:
1.144 daniel 9880: *
1.175 daniel 9881: * [43] content ::= (element | CharData | Reference | CDSect | PI | Comment)*
9882: *
1.176 daniel 9883: * Returns 0 if the chunk is well balanced, -1 in case of args problem and
9884: * the parser error code otherwise
1.144 daniel 9885: */
9886:
1.175 daniel 9887: int
9888: xmlParseBalancedChunkMemory(xmlDocPtr doc, xmlSAXHandlerPtr sax,
1.185 daniel 9889: void *user_data, int depth, const xmlChar *string, xmlNodePtr *list) {
1.176 daniel 9890: xmlParserCtxtPtr ctxt;
1.175 daniel 9891: xmlDocPtr newDoc;
1.181 daniel 9892: xmlSAXHandlerPtr oldsax = NULL;
1.175 daniel 9893: int size;
1.176 daniel 9894: int ret = 0;
1.175 daniel 9895:
1.185 daniel 9896: if (depth > 40) {
9897: return(XML_ERR_ENTITY_LOOP);
9898: }
9899:
1.175 daniel 9900:
1.176 daniel 9901: if (list != NULL)
9902: *list = NULL;
9903: if (string == NULL)
9904: return(-1);
9905:
9906: size = xmlStrlen(string);
9907:
1.183 daniel 9908: ctxt = xmlCreateMemoryParserCtxt((char *) string, size);
1.176 daniel 9909: if (ctxt == NULL) return(-1);
9910: ctxt->userData = ctxt;
1.175 daniel 9911: if (sax != NULL) {
1.176 daniel 9912: oldsax = ctxt->sax;
9913: ctxt->sax = sax;
9914: if (user_data != NULL)
9915: ctxt->userData = user_data;
1.175 daniel 9916: }
9917: newDoc = xmlNewDoc(BAD_CAST "1.0");
1.176 daniel 9918: if (newDoc == NULL) {
9919: xmlFreeParserCtxt(ctxt);
9920: return(-1);
9921: }
1.175 daniel 9922: if (doc != NULL) {
9923: newDoc->intSubset = doc->intSubset;
9924: newDoc->extSubset = doc->extSubset;
9925: }
1.176 daniel 9926: newDoc->children = xmlNewDocNode(newDoc, NULL, BAD_CAST "pseudoroot", NULL);
9927: if (newDoc->children == NULL) {
9928: if (sax != NULL)
9929: ctxt->sax = oldsax;
9930: xmlFreeParserCtxt(ctxt);
9931: newDoc->intSubset = NULL;
9932: newDoc->extSubset = NULL;
9933: xmlFreeDoc(newDoc);
9934: return(-1);
9935: }
9936: nodePush(ctxt, newDoc->children);
9937: if (doc == NULL) {
9938: ctxt->myDoc = newDoc;
9939: } else {
9940: ctxt->myDoc = doc;
9941: newDoc->children->doc = doc;
9942: }
9943: ctxt->instate = XML_PARSER_CONTENT;
1.185 daniel 9944: ctxt->depth = depth;
1.176 daniel 9945:
9946: /*
9947: * Doing validity checking on chunk doesn't make sense
9948: */
9949: ctxt->validate = 0;
9950:
1.175 daniel 9951: xmlParseContent(ctxt);
1.176 daniel 9952:
9953: if ((RAW == '<') && (NXT(1) == '/')) {
9954: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
9955: ctxt->sax->error(ctxt->userData,
9956: "chunk is not well balanced\n");
9957: ctxt->wellFormed = 0;
1.180 daniel 9958: ctxt->disableSAX = 1;
1.176 daniel 9959: ctxt->errNo = XML_ERR_NOT_WELL_BALANCED;
9960: } else if (RAW != 0) {
9961: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
9962: ctxt->sax->error(ctxt->userData,
9963: "extra content at the end of well balanced chunk\n");
9964: ctxt->wellFormed = 0;
1.180 daniel 9965: ctxt->disableSAX = 1;
1.176 daniel 9966: ctxt->errNo = XML_ERR_EXTRA_CONTENT;
9967: }
9968: if (ctxt->node != newDoc->children) {
9969: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
9970: ctxt->sax->error(ctxt->userData,
9971: "chunk is not well balanced\n");
9972: ctxt->wellFormed = 0;
1.180 daniel 9973: ctxt->disableSAX = 1;
1.176 daniel 9974: ctxt->errNo = XML_ERR_NOT_WELL_BALANCED;
9975: }
1.175 daniel 9976:
1.176 daniel 9977: if (!ctxt->wellFormed) {
9978: if (ctxt->errNo == 0)
9979: ret = 1;
9980: else
9981: ret = ctxt->errNo;
9982: } else {
9983: if (list != NULL) {
9984: xmlNodePtr cur;
1.175 daniel 9985:
1.176 daniel 9986: /*
9987: * Return the newly created nodeset after unlinking it from
9988: * they pseudo parent.
9989: */
9990: cur = newDoc->children->children;
9991: *list = cur;
9992: while (cur != NULL) {
9993: cur->parent = NULL;
9994: cur = cur->next;
9995: }
9996: newDoc->children->children = NULL;
9997: }
9998: ret = 0;
1.175 daniel 9999: }
1.176 daniel 10000: if (sax != NULL)
10001: ctxt->sax = oldsax;
1.175 daniel 10002: xmlFreeParserCtxt(ctxt);
10003: newDoc->intSubset = NULL;
10004: newDoc->extSubset = NULL;
1.176 daniel 10005: xmlFreeDoc(newDoc);
1.175 daniel 10006:
1.176 daniel 10007: return(ret);
1.144 daniel 10008: }
10009:
10010: /**
1.181 daniel 10011: * xmlParseBalancedChunkFile:
1.144 daniel 10012: * @doc: the document the chunk pertains to
10013: *
10014: * Parse a well-balanced chunk of an XML document contained in a file
10015: *
10016: * Returns the resulting list of nodes resulting from the parsing,
10017: * they are not added to @node
10018: */
10019:
10020: xmlNodePtr
10021: xmlParseBalancedChunkFile(xmlDocPtr doc, xmlNodePtr node) {
1.156 daniel 10022: /* TODO !!! */
10023: return(NULL);
1.144 daniel 10024: }
10025:
10026: /**
1.181 daniel 10027: * xmlRecoverDoc:
1.123 daniel 10028: * @cur: a pointer to an array of xmlChar
1.59 daniel 10029: *
10030: * parse an XML in-memory document and build a tree.
10031: * In the case the document is not Well Formed, a tree is built anyway
10032: *
1.68 daniel 10033: * Returns the resulting document tree
1.59 daniel 10034: */
10035:
1.69 daniel 10036: xmlDocPtr
1.123 daniel 10037: xmlRecoverDoc(xmlChar *cur) {
1.59 daniel 10038: return(xmlSAXParseDoc(NULL, cur, 1));
1.55 daniel 10039: }
10040:
10041: /**
1.181 daniel 10042: * xmlCreateEntityParserCtxt:
10043: * @URL: the entity URL
10044: * @ID: the entity PUBLIC ID
10045: * @base: a posible base for the target URI
10046: *
10047: * Create a parser context for an external entity
10048: * Automatic support for ZLIB/Compress compressed document is provided
10049: * by default if found at compile-time.
10050: *
10051: * Returns the new parser context or NULL
10052: */
10053: xmlParserCtxtPtr
10054: xmlCreateEntityParserCtxt(const xmlChar *URL, const xmlChar *ID,
10055: const xmlChar *base) {
10056: xmlParserCtxtPtr ctxt;
10057: xmlParserInputPtr inputStream;
10058: char *directory = NULL;
10059:
10060: ctxt = xmlNewParserCtxt();
10061: if (ctxt == NULL) {
10062: return(NULL);
10063: }
10064:
1.182 daniel 10065: inputStream = xmlLoadExternalEntity((char *)URL, (char *)ID, ctxt);
1.181 daniel 10066: if (inputStream == NULL) {
10067: xmlFreeParserCtxt(ctxt);
10068: return(NULL);
10069: }
10070:
10071: inputPush(ctxt, inputStream);
10072:
10073: if ((ctxt->directory == NULL) && (directory == NULL))
1.182 daniel 10074: directory = xmlParserGetDirectory((char *)URL);
1.181 daniel 10075: if ((ctxt->directory == NULL) && (directory != NULL))
10076: ctxt->directory = directory;
10077:
10078: return(ctxt);
10079: }
10080:
10081: /**
10082: * xmlCreateFileParserCtxt:
1.50 daniel 10083: * @filename: the filename
10084: *
1.69 daniel 10085: * Create a parser context for a file content.
10086: * Automatic support for ZLIB/Compress compressed document is provided
10087: * by default if found at compile-time.
1.50 daniel 10088: *
1.69 daniel 10089: * Returns the new parser context or NULL
1.9 httpng 10090: */
1.69 daniel 10091: xmlParserCtxtPtr
10092: xmlCreateFileParserCtxt(const char *filename)
10093: {
10094: xmlParserCtxtPtr ctxt;
1.40 daniel 10095: xmlParserInputPtr inputStream;
1.91 daniel 10096: xmlParserInputBufferPtr buf;
1.111 daniel 10097: char *directory = NULL;
1.9 httpng 10098:
1.91 daniel 10099: buf = xmlParserInputBufferCreateFilename(filename, XML_CHAR_ENCODING_NONE);
10100: if (buf == NULL) return(NULL);
1.9 httpng 10101:
1.97 daniel 10102: ctxt = xmlNewParserCtxt();
1.16 daniel 10103: if (ctxt == NULL) {
10104: return(NULL);
10105: }
1.97 daniel 10106:
1.96 daniel 10107: inputStream = xmlNewInputStream(ctxt);
1.40 daniel 10108: if (inputStream == NULL) {
1.97 daniel 10109: xmlFreeParserCtxt(ctxt);
1.40 daniel 10110: return(NULL);
10111: }
10112:
1.119 daniel 10113: inputStream->filename = xmlMemStrdup(filename);
1.91 daniel 10114: inputStream->buf = buf;
10115: inputStream->base = inputStream->buf->buffer->content;
10116: inputStream->cur = inputStream->buf->buffer->content;
1.16 daniel 10117:
1.40 daniel 10118: inputPush(ctxt, inputStream);
1.110 daniel 10119: if ((ctxt->directory == NULL) && (directory == NULL))
1.106 daniel 10120: directory = xmlParserGetDirectory(filename);
10121: if ((ctxt->directory == NULL) && (directory != NULL))
1.110 daniel 10122: ctxt->directory = directory;
1.106 daniel 10123:
1.69 daniel 10124: return(ctxt);
10125: }
10126:
10127: /**
1.181 daniel 10128: * xmlSAXParseFile:
1.69 daniel 10129: * @sax: the SAX handler block
10130: * @filename: the filename
10131: * @recovery: work in recovery mode, i.e. tries to read no Well Formed
10132: * documents
10133: *
10134: * parse an XML file and build a tree. Automatic support for ZLIB/Compress
10135: * compressed document is provided by default if found at compile-time.
10136: * It use the given SAX function block to handle the parsing callback.
10137: * If sax is NULL, fallback to the default DOM tree building routines.
10138: *
10139: * Returns the resulting document tree
10140: */
10141:
1.79 daniel 10142: xmlDocPtr
10143: xmlSAXParseFile(xmlSAXHandlerPtr sax, const char *filename,
1.69 daniel 10144: int recovery) {
10145: xmlDocPtr ret;
10146: xmlParserCtxtPtr ctxt;
1.111 daniel 10147: char *directory = NULL;
1.69 daniel 10148:
10149: ctxt = xmlCreateFileParserCtxt(filename);
10150: if (ctxt == NULL) return(NULL);
1.74 daniel 10151: if (sax != NULL) {
1.93 veillard 10152: if (ctxt->sax != NULL)
1.119 daniel 10153: xmlFree(ctxt->sax);
1.74 daniel 10154: ctxt->sax = sax;
10155: ctxt->userData = NULL;
10156: }
1.106 daniel 10157:
1.110 daniel 10158: if ((ctxt->directory == NULL) && (directory == NULL))
1.106 daniel 10159: directory = xmlParserGetDirectory(filename);
10160: if ((ctxt->directory == NULL) && (directory != NULL))
1.156 daniel 10161: ctxt->directory = (char *) xmlStrdup((xmlChar *) directory);
1.16 daniel 10162:
10163: xmlParseDocument(ctxt);
1.40 daniel 10164:
1.72 daniel 10165: if ((ctxt->wellFormed) || recovery) ret = ctxt->myDoc;
1.59 daniel 10166: else {
10167: ret = NULL;
1.72 daniel 10168: xmlFreeDoc(ctxt->myDoc);
10169: ctxt->myDoc = NULL;
1.59 daniel 10170: }
1.86 daniel 10171: if (sax != NULL)
10172: ctxt->sax = NULL;
1.69 daniel 10173: xmlFreeParserCtxt(ctxt);
1.20 daniel 10174:
10175: return(ret);
10176: }
10177:
1.55 daniel 10178: /**
1.181 daniel 10179: * xmlParseFile:
1.55 daniel 10180: * @filename: the filename
10181: *
10182: * parse an XML file and build a tree. Automatic support for ZLIB/Compress
10183: * compressed document is provided by default if found at compile-time.
10184: *
1.68 daniel 10185: * Returns the resulting document tree
1.55 daniel 10186: */
10187:
1.79 daniel 10188: xmlDocPtr
10189: xmlParseFile(const char *filename) {
1.59 daniel 10190: return(xmlSAXParseFile(NULL, filename, 0));
10191: }
10192:
10193: /**
1.181 daniel 10194: * xmlRecoverFile:
1.59 daniel 10195: * @filename: the filename
10196: *
10197: * parse an XML file and build a tree. Automatic support for ZLIB/Compress
10198: * compressed document is provided by default if found at compile-time.
10199: * In the case the document is not Well Formed, a tree is built anyway
10200: *
1.68 daniel 10201: * Returns the resulting document tree
1.59 daniel 10202: */
10203:
1.79 daniel 10204: xmlDocPtr
10205: xmlRecoverFile(const char *filename) {
1.59 daniel 10206: return(xmlSAXParseFile(NULL, filename, 1));
1.55 daniel 10207: }
1.32 daniel 10208:
1.50 daniel 10209: /**
1.181 daniel 10210: * xmlCreateMemoryParserCtxt:
10211: * @buffer: a pointer to a zero terminated char array
10212: * @size: the size of the array (without the trailing 0)
1.50 daniel 10213: *
1.69 daniel 10214: * Create a parser context for an XML in-memory document.
1.50 daniel 10215: *
1.69 daniel 10216: * Returns the new parser context or NULL
1.20 daniel 10217: */
1.69 daniel 10218: xmlParserCtxtPtr
10219: xmlCreateMemoryParserCtxt(char *buffer, int size) {
1.20 daniel 10220: xmlParserCtxtPtr ctxt;
1.40 daniel 10221: xmlParserInputPtr input;
10222:
1.179 daniel 10223: if (buffer[size] != 0)
1.181 daniel 10224: return(NULL);
1.40 daniel 10225:
1.97 daniel 10226: ctxt = xmlNewParserCtxt();
1.181 daniel 10227: if (ctxt == NULL)
1.20 daniel 10228: return(NULL);
1.97 daniel 10229:
1.96 daniel 10230: input = xmlNewInputStream(ctxt);
1.40 daniel 10231: if (input == NULL) {
1.97 daniel 10232: xmlFreeParserCtxt(ctxt);
1.40 daniel 10233: return(NULL);
10234: }
1.20 daniel 10235:
1.40 daniel 10236: input->filename = NULL;
10237: input->line = 1;
10238: input->col = 1;
1.96 daniel 10239: input->buf = NULL;
1.91 daniel 10240: input->consumed = 0;
1.75 daniel 10241:
1.116 daniel 10242: input->base = BAD_CAST buffer;
10243: input->cur = BAD_CAST buffer;
1.69 daniel 10244: input->free = NULL;
1.20 daniel 10245:
1.40 daniel 10246: inputPush(ctxt, input);
1.69 daniel 10247: return(ctxt);
10248: }
10249:
10250: /**
1.181 daniel 10251: * xmlSAXParseMemory:
1.69 daniel 10252: * @sax: the SAX handler block
10253: * @buffer: an pointer to a char array
1.127 daniel 10254: * @size: the size of the array
10255: * @recovery: work in recovery mode, i.e. tries to read not Well Formed
1.69 daniel 10256: * documents
10257: *
10258: * parse an XML in-memory block and use the given SAX function block
10259: * to handle the parsing callback. If sax is NULL, fallback to the default
10260: * DOM tree building routines.
10261: *
10262: * Returns the resulting document tree
10263: */
10264: xmlDocPtr
10265: xmlSAXParseMemory(xmlSAXHandlerPtr sax, char *buffer, int size, int recovery) {
10266: xmlDocPtr ret;
10267: xmlParserCtxtPtr ctxt;
10268:
10269: ctxt = xmlCreateMemoryParserCtxt(buffer, size);
10270: if (ctxt == NULL) return(NULL);
1.74 daniel 10271: if (sax != NULL) {
10272: ctxt->sax = sax;
10273: ctxt->userData = NULL;
10274: }
1.20 daniel 10275:
10276: xmlParseDocument(ctxt);
1.40 daniel 10277:
1.72 daniel 10278: if ((ctxt->wellFormed) || recovery) ret = ctxt->myDoc;
1.59 daniel 10279: else {
10280: ret = NULL;
1.72 daniel 10281: xmlFreeDoc(ctxt->myDoc);
10282: ctxt->myDoc = NULL;
1.59 daniel 10283: }
1.86 daniel 10284: if (sax != NULL)
10285: ctxt->sax = NULL;
1.69 daniel 10286: xmlFreeParserCtxt(ctxt);
1.16 daniel 10287:
1.9 httpng 10288: return(ret);
1.17 daniel 10289: }
10290:
1.55 daniel 10291: /**
1.181 daniel 10292: * xmlParseMemory:
1.68 daniel 10293: * @buffer: an pointer to a char array
1.55 daniel 10294: * @size: the size of the array
10295: *
10296: * parse an XML in-memory block and build a tree.
10297: *
1.68 daniel 10298: * Returns the resulting document tree
1.55 daniel 10299: */
10300:
10301: xmlDocPtr xmlParseMemory(char *buffer, int size) {
1.59 daniel 10302: return(xmlSAXParseMemory(NULL, buffer, size, 0));
10303: }
10304:
10305: /**
1.181 daniel 10306: * xmlRecoverMemory:
1.68 daniel 10307: * @buffer: an pointer to a char array
1.59 daniel 10308: * @size: the size of the array
10309: *
10310: * parse an XML in-memory block and build a tree.
10311: * In the case the document is not Well Formed, a tree is built anyway
10312: *
1.68 daniel 10313: * Returns the resulting document tree
1.59 daniel 10314: */
10315:
10316: xmlDocPtr xmlRecoverMemory(char *buffer, int size) {
10317: return(xmlSAXParseMemory(NULL, buffer, size, 1));
1.17 daniel 10318: }
10319:
10320:
1.50 daniel 10321: /**
10322: * xmlSetupParserForBuffer:
10323: * @ctxt: an XML parser context
1.123 daniel 10324: * @buffer: a xmlChar * buffer
1.50 daniel 10325: * @filename: a file name
10326: *
1.19 daniel 10327: * Setup the parser context to parse a new buffer; Clears any prior
10328: * contents from the parser context. The buffer parameter must not be
10329: * NULL, but the filename parameter can be
10330: */
1.55 daniel 10331: void
1.123 daniel 10332: xmlSetupParserForBuffer(xmlParserCtxtPtr ctxt, const xmlChar* buffer,
1.17 daniel 10333: const char* filename)
10334: {
1.96 daniel 10335: xmlParserInputPtr input;
1.40 daniel 10336:
1.96 daniel 10337: input = xmlNewInputStream(ctxt);
10338: if (input == NULL) {
10339: perror("malloc");
1.119 daniel 10340: xmlFree(ctxt);
1.145 daniel 10341: return;
1.96 daniel 10342: }
10343:
10344: xmlClearParserCtxt(ctxt);
10345: if (filename != NULL)
1.119 daniel 10346: input->filename = xmlMemStrdup(filename);
1.96 daniel 10347: input->base = buffer;
10348: input->cur = buffer;
10349: inputPush(ctxt, input);
1.17 daniel 10350: }
10351:
1.123 daniel 10352: /**
10353: * xmlSAXUserParseFile:
10354: * @sax: a SAX handler
10355: * @user_data: The user data returned on SAX callbacks
10356: * @filename: a file name
10357: *
10358: * parse an XML file and call the given SAX handler routines.
10359: * Automatic support for ZLIB/Compress compressed document is provided
10360: *
10361: * Returns 0 in case of success or a error number otherwise
10362: */
1.131 daniel 10363: int
10364: xmlSAXUserParseFile(xmlSAXHandlerPtr sax, void *user_data,
10365: const char *filename) {
1.123 daniel 10366: int ret = 0;
10367: xmlParserCtxtPtr ctxt;
10368:
10369: ctxt = xmlCreateFileParserCtxt(filename);
10370: if (ctxt == NULL) return -1;
1.134 daniel 10371: if (ctxt->sax != &xmlDefaultSAXHandler)
10372: xmlFree(ctxt->sax);
1.123 daniel 10373: ctxt->sax = sax;
1.140 daniel 10374: if (user_data != NULL)
10375: ctxt->userData = user_data;
1.123 daniel 10376:
10377: xmlParseDocument(ctxt);
10378:
10379: if (ctxt->wellFormed)
10380: ret = 0;
10381: else {
10382: if (ctxt->errNo != 0)
10383: ret = ctxt->errNo;
10384: else
10385: ret = -1;
10386: }
10387: if (sax != NULL)
10388: ctxt->sax = NULL;
10389: xmlFreeParserCtxt(ctxt);
10390:
10391: return ret;
10392: }
10393:
10394: /**
10395: * xmlSAXUserParseMemory:
10396: * @sax: a SAX handler
10397: * @user_data: The user data returned on SAX callbacks
10398: * @buffer: an in-memory XML document input
1.127 daniel 10399: * @size: the length of the XML document in bytes
1.123 daniel 10400: *
10401: * A better SAX parsing routine.
10402: * parse an XML in-memory buffer and call the given SAX handler routines.
10403: *
10404: * Returns 0 in case of success or a error number otherwise
10405: */
10406: int xmlSAXUserParseMemory(xmlSAXHandlerPtr sax, void *user_data,
10407: char *buffer, int size) {
10408: int ret = 0;
10409: xmlParserCtxtPtr ctxt;
10410:
10411: ctxt = xmlCreateMemoryParserCtxt(buffer, size);
10412: if (ctxt == NULL) return -1;
10413: ctxt->sax = sax;
10414: ctxt->userData = user_data;
10415:
10416: xmlParseDocument(ctxt);
10417:
10418: if (ctxt->wellFormed)
10419: ret = 0;
10420: else {
10421: if (ctxt->errNo != 0)
10422: ret = ctxt->errNo;
10423: else
10424: ret = -1;
10425: }
10426: if (sax != NULL)
10427: ctxt->sax = NULL;
10428: xmlFreeParserCtxt(ctxt);
10429:
10430: return ret;
10431: }
10432:
1.32 daniel 10433:
1.98 daniel 10434: /************************************************************************
10435: * *
1.127 daniel 10436: * Miscellaneous *
1.98 daniel 10437: * *
10438: ************************************************************************/
10439:
1.132 daniel 10440: /**
10441: * xmlCleanupParser:
10442: *
10443: * Cleanup function for the XML parser. It tries to reclaim all
10444: * parsing related global memory allocated for the parser processing.
10445: * It doesn't deallocate any document related memory. Calling this
10446: * function should not prevent reusing the parser.
10447: */
10448:
10449: void
10450: xmlCleanupParser(void) {
10451: xmlCleanupCharEncodingHandlers();
1.133 daniel 10452: xmlCleanupPredefinedEntities();
1.132 daniel 10453: }
1.98 daniel 10454:
1.50 daniel 10455: /**
10456: * xmlParserFindNodeInfo:
10457: * @ctxt: an XML parser context
10458: * @node: an XML node within the tree
10459: *
10460: * Find the parser node info struct for a given node
10461: *
1.68 daniel 10462: * Returns an xmlParserNodeInfo block pointer or NULL
1.32 daniel 10463: */
10464: const xmlParserNodeInfo* xmlParserFindNodeInfo(const xmlParserCtxt* ctx,
10465: const xmlNode* node)
10466: {
10467: unsigned long pos;
10468:
10469: /* Find position where node should be at */
10470: pos = xmlParserFindNodeInfoIndex(&ctx->node_seq, node);
10471: if ( ctx->node_seq.buffer[pos].node == node )
10472: return &ctx->node_seq.buffer[pos];
10473: else
10474: return NULL;
10475: }
10476:
10477:
1.50 daniel 10478: /**
1.181 daniel 10479: * xmlInitNodeInfoSeq:
1.50 daniel 10480: * @seq: a node info sequence pointer
10481: *
10482: * -- Initialize (set to initial state) node info sequence
1.32 daniel 10483: */
1.55 daniel 10484: void
10485: xmlInitNodeInfoSeq(xmlParserNodeInfoSeqPtr seq)
1.32 daniel 10486: {
10487: seq->length = 0;
10488: seq->maximum = 0;
10489: seq->buffer = NULL;
10490: }
10491:
1.50 daniel 10492: /**
1.181 daniel 10493: * xmlClearNodeInfoSeq:
1.50 daniel 10494: * @seq: a node info sequence pointer
10495: *
10496: * -- Clear (release memory and reinitialize) node
1.32 daniel 10497: * info sequence
10498: */
1.55 daniel 10499: void
10500: xmlClearNodeInfoSeq(xmlParserNodeInfoSeqPtr seq)
1.32 daniel 10501: {
10502: if ( seq->buffer != NULL )
1.119 daniel 10503: xmlFree(seq->buffer);
1.32 daniel 10504: xmlInitNodeInfoSeq(seq);
10505: }
10506:
10507:
1.50 daniel 10508: /**
10509: * xmlParserFindNodeInfoIndex:
10510: * @seq: a node info sequence pointer
10511: * @node: an XML node pointer
10512: *
10513: *
1.32 daniel 10514: * xmlParserFindNodeInfoIndex : Find the index that the info record for
10515: * the given node is or should be at in a sorted sequence
1.68 daniel 10516: *
10517: * Returns a long indicating the position of the record
1.32 daniel 10518: */
10519: unsigned long xmlParserFindNodeInfoIndex(const xmlParserNodeInfoSeq* seq,
10520: const xmlNode* node)
10521: {
10522: unsigned long upper, lower, middle;
10523: int found = 0;
10524:
10525: /* Do a binary search for the key */
10526: lower = 1;
10527: upper = seq->length;
10528: middle = 0;
10529: while ( lower <= upper && !found) {
10530: middle = lower + (upper - lower) / 2;
10531: if ( node == seq->buffer[middle - 1].node )
10532: found = 1;
10533: else if ( node < seq->buffer[middle - 1].node )
10534: upper = middle - 1;
10535: else
10536: lower = middle + 1;
10537: }
10538:
10539: /* Return position */
10540: if ( middle == 0 || seq->buffer[middle - 1].node < node )
10541: return middle;
10542: else
10543: return middle - 1;
10544: }
10545:
10546:
1.50 daniel 10547: /**
10548: * xmlParserAddNodeInfo:
10549: * @ctxt: an XML parser context
1.68 daniel 10550: * @info: a node info sequence pointer
1.50 daniel 10551: *
10552: * Insert node info record into the sorted sequence
1.32 daniel 10553: */
1.55 daniel 10554: void
10555: xmlParserAddNodeInfo(xmlParserCtxtPtr ctxt,
1.68 daniel 10556: const xmlParserNodeInfo* info)
1.32 daniel 10557: {
10558: unsigned long pos;
10559: static unsigned int block_size = 5;
10560:
10561: /* Find pos and check to see if node is already in the sequence */
1.55 daniel 10562: pos = xmlParserFindNodeInfoIndex(&ctxt->node_seq, info->node);
10563: if ( pos < ctxt->node_seq.length
10564: && ctxt->node_seq.buffer[pos].node == info->node ) {
10565: ctxt->node_seq.buffer[pos] = *info;
1.32 daniel 10566: }
10567:
10568: /* Otherwise, we need to add new node to buffer */
10569: else {
10570: /* Expand buffer by 5 if needed */
1.55 daniel 10571: if ( ctxt->node_seq.length + 1 > ctxt->node_seq.maximum ) {
1.32 daniel 10572: xmlParserNodeInfo* tmp_buffer;
1.55 daniel 10573: unsigned int byte_size = (sizeof(*ctxt->node_seq.buffer)
10574: *(ctxt->node_seq.maximum + block_size));
1.32 daniel 10575:
1.55 daniel 10576: if ( ctxt->node_seq.buffer == NULL )
1.119 daniel 10577: tmp_buffer = (xmlParserNodeInfo*) xmlMalloc(byte_size);
1.32 daniel 10578: else
1.119 daniel 10579: tmp_buffer = (xmlParserNodeInfo*) xmlRealloc(ctxt->node_seq.buffer, byte_size);
1.32 daniel 10580:
10581: if ( tmp_buffer == NULL ) {
1.55 daniel 10582: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1.74 daniel 10583: ctxt->sax->error(ctxt->userData, "Out of memory\n");
1.123 daniel 10584: ctxt->errNo = XML_ERR_NO_MEMORY;
1.32 daniel 10585: return;
10586: }
1.55 daniel 10587: ctxt->node_seq.buffer = tmp_buffer;
10588: ctxt->node_seq.maximum += block_size;
1.32 daniel 10589: }
10590:
10591: /* If position is not at end, move elements out of the way */
1.55 daniel 10592: if ( pos != ctxt->node_seq.length ) {
1.32 daniel 10593: unsigned long i;
10594:
1.55 daniel 10595: for ( i = ctxt->node_seq.length; i > pos; i-- )
10596: ctxt->node_seq.buffer[i] = ctxt->node_seq.buffer[i - 1];
1.32 daniel 10597: }
10598:
10599: /* Copy element and increase length */
1.55 daniel 10600: ctxt->node_seq.buffer[pos] = *info;
10601: ctxt->node_seq.length++;
1.32 daniel 10602: }
10603: }
1.77 daniel 10604:
1.98 daniel 10605:
10606: /**
1.181 daniel 10607: * xmlSubstituteEntitiesDefault:
1.98 daniel 10608: * @val: int 0 or 1
10609: *
10610: * Set and return the previous value for default entity support.
10611: * Initially the parser always keep entity references instead of substituting
10612: * entity values in the output. This function has to be used to change the
10613: * default parser behaviour
10614: * SAX::subtituteEntities() has to be used for changing that on a file by
10615: * file basis.
10616: *
10617: * Returns the last value for 0 for no substitution, 1 for substitution.
10618: */
10619:
10620: int
10621: xmlSubstituteEntitiesDefault(int val) {
10622: int old = xmlSubstituteEntitiesDefaultValue;
10623:
10624: xmlSubstituteEntitiesDefaultValue = val;
1.180 daniel 10625: return(old);
10626: }
10627:
10628: /**
10629: * xmlKeepBlanksDefault:
10630: * @val: int 0 or 1
10631: *
10632: * Set and return the previous value for default blanks text nodes support.
10633: * The 1.x version of the parser used an heuristic to try to detect
10634: * ignorable white spaces. As a result the SAX callback was generating
10635: * ignorableWhitespace() callbacks instead of characters() one, and when
10636: * using the DOM output text nodes containing those blanks were not generated.
10637: * The 2.x and later version will switch to the XML standard way and
10638: * ignorableWhitespace() are only generated when running the parser in
10639: * validating mode and when the current element doesn't allow CDATA or
10640: * mixed content.
10641: * This function is provided as a way to force the standard behaviour
10642: * on 1.X libs and to switch back to the old mode for compatibility when
10643: * running 1.X client code on 2.X . Upgrade of 1.X code should be done
10644: * by using xmlIsBlankNode() commodity function to detect the "empty"
10645: * nodes generated.
10646: * This value also affect autogeneration of indentation when saving code
10647: * if blanks sections are kept, indentation is not generated.
10648: *
10649: * Returns the last value for 0 for no substitution, 1 for substitution.
10650: */
10651:
10652: int
10653: xmlKeepBlanksDefault(int val) {
10654: int old = xmlKeepBlanksDefaultValue;
10655:
10656: xmlKeepBlanksDefaultValue = val;
10657: xmlIndentTreeOutput = !val;
1.98 daniel 10658: return(old);
10659: }
1.77 daniel 10660:
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