Annotation of XML/parser.c, revision 1.141
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;
50:
1.139 daniel 51: /*
52: * List of XML prefixed PI allowed by W3C specs
53: */
54:
55: const char *xmlW3CPIs[] = {
56: "xml-stylesheet",
57: NULL
58: };
1.91 daniel 59:
60: /************************************************************************
61: * *
62: * Input handling functions for progressive parsing *
63: * *
64: ************************************************************************/
65:
66: /* #define DEBUG_INPUT */
1.140 daniel 67: /* #define DEBUG_STACK */
68: /* #define DEBUG_PUSH */
69:
1.91 daniel 70:
1.110 daniel 71: #define INPUT_CHUNK 250
72: /* we need to keep enough input to show errors in context */
73: #define LINE_LEN 80
1.91 daniel 74:
75: #ifdef DEBUG_INPUT
76: #define CHECK_BUFFER(in) check_buffer(in)
77:
78: void check_buffer(xmlParserInputPtr in) {
79: if (in->base != in->buf->buffer->content) {
80: fprintf(stderr, "xmlParserInput: base mismatch problem\n");
81: }
82: if (in->cur < in->base) {
83: fprintf(stderr, "xmlParserInput: cur < base problem\n");
84: }
85: if (in->cur > in->base + in->buf->buffer->use) {
86: fprintf(stderr, "xmlParserInput: cur > base + use problem\n");
87: }
88: fprintf(stderr,"buffer %x : content %x, cur %d, use %d, size %d\n",
89: (int) in, (int) in->buf->buffer->content, in->cur - in->base,
90: in->buf->buffer->use, in->buf->buffer->size);
91: }
92:
1.110 daniel 93: #else
94: #define CHECK_BUFFER(in)
95: #endif
96:
1.91 daniel 97:
98: /**
99: * xmlParserInputRead:
100: * @in: an XML parser input
101: * @len: an indicative size for the lookahead
102: *
103: * This function refresh the input for the parser. It doesn't try to
104: * preserve pointers to the input buffer, and discard already read data
105: *
1.123 daniel 106: * Returns the number of xmlChars read, or -1 in case of error, 0 indicate the
1.91 daniel 107: * end of this entity
108: */
109: int
110: xmlParserInputRead(xmlParserInputPtr in, int len) {
111: int ret;
112: int used;
113: int index;
114:
115: #ifdef DEBUG_INPUT
116: fprintf(stderr, "Read\n");
117: #endif
118: if (in->buf == NULL) return(-1);
119: if (in->base == NULL) return(-1);
120: if (in->cur == NULL) return(-1);
121: if (in->buf->buffer == NULL) return(-1);
122:
123: CHECK_BUFFER(in);
124:
125: used = in->cur - in->buf->buffer->content;
126: ret = xmlBufferShrink(in->buf->buffer, used);
127: if (ret > 0) {
128: in->cur -= ret;
129: in->consumed += ret;
130: }
131: ret = xmlParserInputBufferRead(in->buf, len);
132: if (in->base != in->buf->buffer->content) {
133: /*
134: * the buffer has been realloced
135: */
136: index = in->cur - in->base;
137: in->base = in->buf->buffer->content;
138: in->cur = &in->buf->buffer->content[index];
139: }
140:
141: CHECK_BUFFER(in);
142:
143: return(ret);
144: }
145:
146: /**
147: * xmlParserInputGrow:
148: * @in: an XML parser input
149: * @len: an indicative size for the lookahead
150: *
151: * This function increase the input for the parser. It tries to
152: * preserve pointers to the input buffer, and keep already read data
153: *
1.123 daniel 154: * Returns the number of xmlChars read, or -1 in case of error, 0 indicate the
1.91 daniel 155: * end of this entity
156: */
157: int
158: xmlParserInputGrow(xmlParserInputPtr in, int len) {
159: int ret;
160: int index;
161:
162: #ifdef DEBUG_INPUT
163: fprintf(stderr, "Grow\n");
164: #endif
165: if (in->buf == NULL) return(-1);
166: if (in->base == NULL) return(-1);
167: if (in->cur == NULL) return(-1);
168: if (in->buf->buffer == NULL) return(-1);
169:
170: CHECK_BUFFER(in);
171:
172: index = in->cur - in->base;
173: if (in->buf->buffer->use > index + INPUT_CHUNK) {
174:
175: CHECK_BUFFER(in);
176:
177: return(0);
178: }
1.140 daniel 179: if ((in->buf->netIO != NULL) || (in->buf->file != NULL) ||
180: #ifdef HAVE_ZLIB_H
181: (in->buf->gzfile != NULL) ||
182: #endif
183: (in->buf->fd >= 0))
184: ret = xmlParserInputBufferGrow(in->buf, len);
185: else
186: return(0);
1.135 daniel 187:
188: /*
189: * NOTE : in->base may be a "dandling" i.e. freed pointer in this
190: * block, but we use it really as an integer to do some
191: * pointer arithmetic. Insure will raise it as a bug but in
192: * that specific case, that's not !
193: */
1.91 daniel 194: if (in->base != in->buf->buffer->content) {
195: /*
196: * the buffer has been realloced
197: */
198: index = in->cur - in->base;
199: in->base = in->buf->buffer->content;
200: in->cur = &in->buf->buffer->content[index];
201: }
202:
203: CHECK_BUFFER(in);
204:
205: return(ret);
206: }
207:
208: /**
209: * xmlParserInputShrink:
210: * @in: an XML parser input
211: *
212: * This function removes used input for the parser.
213: */
214: void
215: xmlParserInputShrink(xmlParserInputPtr in) {
216: int used;
217: int ret;
218: int index;
219:
220: #ifdef DEBUG_INPUT
221: fprintf(stderr, "Shrink\n");
222: #endif
223: if (in->buf == NULL) return;
224: if (in->base == NULL) return;
225: if (in->cur == NULL) return;
226: if (in->buf->buffer == NULL) return;
227:
228: CHECK_BUFFER(in);
229:
230: used = in->cur - in->buf->buffer->content;
231: if (used > INPUT_CHUNK) {
1.110 daniel 232: ret = xmlBufferShrink(in->buf->buffer, used - LINE_LEN);
1.91 daniel 233: if (ret > 0) {
234: in->cur -= ret;
235: in->consumed += ret;
236: }
237: }
238:
239: CHECK_BUFFER(in);
240:
241: if (in->buf->buffer->use > INPUT_CHUNK) {
242: return;
243: }
244: xmlParserInputBufferRead(in->buf, 2 * INPUT_CHUNK);
245: if (in->base != in->buf->buffer->content) {
246: /*
247: * the buffer has been realloced
248: */
249: index = in->cur - in->base;
250: in->base = in->buf->buffer->content;
251: in->cur = &in->buf->buffer->content[index];
252: }
253:
254: CHECK_BUFFER(in);
255: }
256:
1.45 daniel 257: /************************************************************************
258: * *
259: * Parser stacks related functions and macros *
260: * *
261: ************************************************************************/
1.79 daniel 262:
263: int xmlSubstituteEntitiesDefaultValue = 0;
1.100 daniel 264: int xmlDoValidityCheckingDefaultValue = 0;
1.135 daniel 265: xmlEntityPtr xmlParseStringEntityRef(xmlParserCtxtPtr ctxt,
266: const xmlChar ** str);
1.79 daniel 267:
1.1 veillard 268: /*
1.40 daniel 269: * Generic function for accessing stacks in the Parser Context
1.1 veillard 270: */
271:
1.140 daniel 272: #define PUSH_AND_POP(scope, type, name) \
273: scope int name##Push(xmlParserCtxtPtr ctxt, type value) { \
1.31 daniel 274: if (ctxt->name##Nr >= ctxt->name##Max) { \
275: ctxt->name##Max *= 2; \
1.119 daniel 276: ctxt->name##Tab = (void *) xmlRealloc(ctxt->name##Tab, \
1.40 daniel 277: ctxt->name##Max * sizeof(ctxt->name##Tab[0])); \
278: if (ctxt->name##Tab == NULL) { \
1.31 daniel 279: fprintf(stderr, "realloc failed !\n"); \
280: exit(1); \
281: } \
282: } \
1.40 daniel 283: ctxt->name##Tab[ctxt->name##Nr] = value; \
284: ctxt->name = value; \
285: return(ctxt->name##Nr++); \
1.31 daniel 286: } \
1.140 daniel 287: scope type name##Pop(xmlParserCtxtPtr ctxt) { \
1.69 daniel 288: type ret; \
1.40 daniel 289: if (ctxt->name##Nr <= 0) return(0); \
290: ctxt->name##Nr--; \
1.50 daniel 291: if (ctxt->name##Nr > 0) \
292: ctxt->name = ctxt->name##Tab[ctxt->name##Nr - 1]; \
293: else \
294: ctxt->name = NULL; \
1.69 daniel 295: ret = ctxt->name##Tab[ctxt->name##Nr]; \
296: ctxt->name##Tab[ctxt->name##Nr] = 0; \
297: return(ret); \
1.31 daniel 298: } \
299:
1.140 daniel 300: PUSH_AND_POP(extern, xmlParserInputPtr, input)
301: PUSH_AND_POP(extern, xmlNodePtr, node)
302: PUSH_AND_POP(extern, xmlChar*, name)
1.40 daniel 303:
1.55 daniel 304: /*
305: * Macros for accessing the content. Those should be used only by the parser,
306: * and not exported.
307: *
308: * Dirty macros, i.e. one need to make assumption on the context to use them
309: *
1.123 daniel 310: * CUR_PTR return the current pointer to the xmlChar to be parsed.
311: * CUR returns the current xmlChar value, i.e. a 8 bit value if compiled
1.55 daniel 312: * in ISO-Latin or UTF-8, and the current 16 bit value if compiled
313: * in UNICODE mode. This should be used internally by the parser
314: * only to compare to ASCII values otherwise it would break when
315: * running with UTF-8 encoding.
1.123 daniel 316: * NXT(n) returns the n'th next xmlChar. Same as CUR is should be used only
1.55 daniel 317: * to compare on ASCII based substring.
1.123 daniel 318: * SKIP(n) Skip n xmlChar, and must also be used only to skip ASCII defined
1.55 daniel 319: * strings within the parser.
320: *
1.77 daniel 321: * Clean macros, not dependent of an ASCII context, expect UTF-8 encoding
1.55 daniel 322: *
323: * CURRENT Returns the current char value, with the full decoding of
324: * UTF-8 if we are using this mode. It returns an int.
325: * NEXT Skip to the next character, this does the proper decoding
326: * in UTF-8 mode. It also pop-up unfinished entities on the fly.
1.77 daniel 327: * COPY(to) copy one char to *to, increment CUR_PTR and to accordingly
1.55 daniel 328: */
1.45 daniel 329:
1.97 daniel 330: #define CUR (ctxt->token ? ctxt->token : (*ctxt->input->cur))
1.135 daniel 331: #define SKIP(val) ctxt->nbChars += (val),ctxt->input->cur += (val)
1.55 daniel 332: #define NXT(val) ctxt->input->cur[(val)]
333: #define CUR_PTR ctxt->input->cur
1.97 daniel 334: #define SHRINK xmlParserInputShrink(ctxt->input); \
335: if ((*ctxt->input->cur == 0) && \
336: (xmlParserInputGrow(ctxt->input, INPUT_CHUNK) <= 0)) \
337: xmlPopInput(ctxt)
338:
339: #define GROW xmlParserInputGrow(ctxt->input, INPUT_CHUNK); \
340: if ((*ctxt->input->cur == 0) && \
341: (xmlParserInputGrow(ctxt->input, INPUT_CHUNK) <= 0)) \
342: xmlPopInput(ctxt)
1.55 daniel 343:
344: #define SKIP_BLANKS \
1.101 daniel 345: do { \
346: while (IS_BLANK(CUR)) NEXT; \
347: if (*ctxt->input->cur == '%') xmlParserHandlePEReference(ctxt); \
348: if (*ctxt->input->cur == '&') xmlParserHandleReference(ctxt); \
349: } while (IS_BLANK(CUR));
1.55 daniel 350:
351: #define CURRENT (*ctxt->input->cur)
1.91 daniel 352: #define NEXT { \
1.97 daniel 353: if (ctxt->token != 0) ctxt->token = 0; \
354: else { \
1.91 daniel 355: if ((*ctxt->input->cur == 0) && \
356: (xmlParserInputGrow(ctxt->input, INPUT_CHUNK) <= 0)) { \
357: xmlPopInput(ctxt); \
358: } else { \
359: if (*(ctxt->input->cur) == '\n') { \
360: ctxt->input->line++; ctxt->input->col = 1; \
361: } else ctxt->input->col++; \
362: ctxt->input->cur++; \
1.135 daniel 363: ctxt->nbChars++; \
1.91 daniel 364: if (*ctxt->input->cur == 0) \
365: xmlParserInputGrow(ctxt->input, INPUT_CHUNK); \
1.96 daniel 366: } \
367: if (*ctxt->input->cur == '%') xmlParserHandlePEReference(ctxt); \
368: if (*ctxt->input->cur == '&') xmlParserHandleReference(ctxt); \
1.97 daniel 369: }}
1.91 daniel 370:
1.42 daniel 371:
1.97 daniel 372: /************************************************************************
373: * *
374: * Commodity functions to handle entities processing *
375: * *
376: ************************************************************************/
1.40 daniel 377:
1.50 daniel 378: /**
379: * xmlPopInput:
380: * @ctxt: an XML parser context
381: *
1.40 daniel 382: * xmlPopInput: the current input pointed by ctxt->input came to an end
383: * pop it and return the next char.
1.45 daniel 384: *
1.123 daniel 385: * Returns the current xmlChar in the parser context
1.40 daniel 386: */
1.123 daniel 387: xmlChar
1.55 daniel 388: xmlPopInput(xmlParserCtxtPtr ctxt) {
1.40 daniel 389: if (ctxt->inputNr == 1) return(0); /* End of main Input */
1.69 daniel 390: xmlFreeInputStream(inputPop(ctxt));
1.97 daniel 391: if ((*ctxt->input->cur == 0) &&
392: (xmlParserInputGrow(ctxt->input, INPUT_CHUNK) <= 0))
393: return(xmlPopInput(ctxt));
1.40 daniel 394: return(CUR);
395: }
396:
1.50 daniel 397: /**
398: * xmlPushInput:
399: * @ctxt: an XML parser context
400: * @input: an XML parser input fragment (entity, XML fragment ...).
401: *
1.40 daniel 402: * xmlPushInput: switch to a new input stream which is stacked on top
403: * of the previous one(s).
404: */
1.55 daniel 405: void
406: xmlPushInput(xmlParserCtxtPtr ctxt, xmlParserInputPtr input) {
1.40 daniel 407: if (input == NULL) return;
408: inputPush(ctxt, input);
409: }
410:
1.50 daniel 411: /**
1.69 daniel 412: * xmlFreeInputStream:
1.127 daniel 413: * @input: an xmlParserInputPtr
1.69 daniel 414: *
415: * Free up an input stream.
416: */
417: void
418: xmlFreeInputStream(xmlParserInputPtr input) {
419: if (input == NULL) return;
420:
1.119 daniel 421: if (input->filename != NULL) xmlFree((char *) input->filename);
422: if (input->directory != NULL) xmlFree((char *) input->directory);
1.69 daniel 423: if ((input->free != NULL) && (input->base != NULL))
1.123 daniel 424: input->free((xmlChar *) input->base);
1.93 veillard 425: if (input->buf != NULL)
426: xmlFreeParserInputBuffer(input->buf);
1.69 daniel 427: memset(input, -1, sizeof(xmlParserInput));
1.119 daniel 428: xmlFree(input);
1.69 daniel 429: }
430:
431: /**
1.96 daniel 432: * xmlNewInputStream:
433: * @ctxt: an XML parser context
434: *
435: * Create a new input stream structure
436: * Returns the new input stream or NULL
437: */
438: xmlParserInputPtr
439: xmlNewInputStream(xmlParserCtxtPtr ctxt) {
440: xmlParserInputPtr input;
441:
1.119 daniel 442: input = (xmlParserInputPtr) xmlMalloc(sizeof(xmlParserInput));
1.96 daniel 443: if (input == NULL) {
1.123 daniel 444: ctxt->errNo = XML_ERR_NO_MEMORY;
1.96 daniel 445: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1.122 daniel 446: ctxt->sax->error(ctxt->userData,
447: "malloc: couldn't allocate a new input stream\n");
1.123 daniel 448: ctxt->errNo = XML_ERR_NO_MEMORY;
1.96 daniel 449: return(NULL);
450: }
451: input->filename = NULL;
452: input->directory = NULL;
453: input->base = NULL;
454: input->cur = NULL;
455: input->buf = NULL;
456: input->line = 1;
457: input->col = 1;
458: input->buf = NULL;
459: input->free = NULL;
460: input->consumed = 0;
1.140 daniel 461: input->length = 0;
1.96 daniel 462: return(input);
463: }
464:
465: /**
1.50 daniel 466: * xmlNewEntityInputStream:
467: * @ctxt: an XML parser context
468: * @entity: an Entity pointer
469: *
1.82 daniel 470: * Create a new input stream based on an xmlEntityPtr
1.113 daniel 471: *
472: * Returns the new input stream or NULL
1.45 daniel 473: */
1.50 daniel 474: xmlParserInputPtr
475: xmlNewEntityInputStream(xmlParserCtxtPtr ctxt, xmlEntityPtr entity) {
1.45 daniel 476: xmlParserInputPtr input;
477:
478: if (entity == NULL) {
1.123 daniel 479: ctxt->errNo = XML_ERR_INTERNAL_ERROR;
1.55 daniel 480: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1.74 daniel 481: ctxt->sax->error(ctxt->userData,
1.45 daniel 482: "internal: xmlNewEntityInputStream entity = NULL\n");
1.123 daniel 483: ctxt->errNo = XML_ERR_INTERNAL_ERROR;
1.50 daniel 484: return(NULL);
1.45 daniel 485: }
486: if (entity->content == NULL) {
1.113 daniel 487: switch (entity->type) {
488: case XML_EXTERNAL_GENERAL_UNPARSED_ENTITY:
1.123 daniel 489: ctxt->errNo = XML_ERR_UNPARSED_ENTITY;
1.113 daniel 490: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
491: ctxt->sax->error(ctxt->userData,
492: "xmlNewEntityInputStream unparsed entity !\n");
493: break;
494: case XML_EXTERNAL_GENERAL_PARSED_ENTITY:
495: case XML_EXTERNAL_PARAMETER_ENTITY:
1.116 daniel 496: return(xmlLoadExternalEntity((char *) entity->SystemID,
497: (char *) entity->ExternalID, ctxt->input));
1.113 daniel 498: case XML_INTERNAL_GENERAL_ENTITY:
499: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
500: ctxt->sax->error(ctxt->userData,
501: "Internal entity %s without content !\n", entity->name);
502: break;
503: case XML_INTERNAL_PARAMETER_ENTITY:
1.123 daniel 504: ctxt->errNo = XML_ERR_INTERNAL_ERROR;
1.113 daniel 505: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
506: ctxt->sax->error(ctxt->userData,
507: "Internal parameter entity %s without content !\n", entity->name);
508: break;
509: case XML_INTERNAL_PREDEFINED_ENTITY:
1.123 daniel 510: ctxt->errNo = XML_ERR_INTERNAL_ERROR;
1.113 daniel 511: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
512: ctxt->sax->error(ctxt->userData,
513: "Predefined entity %s without content !\n", entity->name);
514: break;
515: }
1.50 daniel 516: return(NULL);
1.45 daniel 517: }
1.96 daniel 518: input = xmlNewInputStream(ctxt);
1.45 daniel 519: if (input == NULL) {
1.50 daniel 520: return(NULL);
1.45 daniel 521: }
1.123 daniel 522: input->filename = (char *) entity->SystemID; /* TODO !!! char <- xmlChar */
1.45 daniel 523: input->base = entity->content;
524: input->cur = entity->content;
1.140 daniel 525: input->length = entity->length;
1.50 daniel 526: return(input);
1.45 daniel 527: }
528:
1.59 daniel 529: /**
530: * xmlNewStringInputStream:
531: * @ctxt: an XML parser context
1.96 daniel 532: * @buffer: an memory buffer
1.59 daniel 533: *
534: * Create a new input stream based on a memory buffer.
1.68 daniel 535: * Returns the new input stream
1.59 daniel 536: */
537: xmlParserInputPtr
1.123 daniel 538: xmlNewStringInputStream(xmlParserCtxtPtr ctxt, const xmlChar *buffer) {
1.59 daniel 539: xmlParserInputPtr input;
540:
1.96 daniel 541: if (buffer == NULL) {
1.123 daniel 542: ctxt->errNo = XML_ERR_INTERNAL_ERROR;
1.59 daniel 543: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1.74 daniel 544: ctxt->sax->error(ctxt->userData,
1.59 daniel 545: "internal: xmlNewStringInputStream string = NULL\n");
546: return(NULL);
547: }
1.96 daniel 548: input = xmlNewInputStream(ctxt);
1.59 daniel 549: if (input == NULL) {
550: return(NULL);
551: }
1.96 daniel 552: input->base = buffer;
553: input->cur = buffer;
1.140 daniel 554: input->length = xmlStrlen(buffer);
1.59 daniel 555: return(input);
556: }
557:
1.76 daniel 558: /**
559: * xmlNewInputFromFile:
560: * @ctxt: an XML parser context
561: * @filename: the filename to use as entity
562: *
563: * Create a new input stream based on a file.
564: *
565: * Returns the new input stream or NULL in case of error
566: */
567: xmlParserInputPtr
1.79 daniel 568: xmlNewInputFromFile(xmlParserCtxtPtr ctxt, const char *filename) {
1.91 daniel 569: xmlParserInputBufferPtr buf;
1.76 daniel 570: xmlParserInputPtr inputStream;
1.111 daniel 571: char *directory = NULL;
1.76 daniel 572:
1.96 daniel 573: if (ctxt == NULL) return(NULL);
1.91 daniel 574: buf = xmlParserInputBufferCreateFilename(filename, XML_CHAR_ENCODING_NONE);
1.94 daniel 575: if (buf == NULL) {
1.140 daniel 576: char name[XML_PARSER_BIG_BUFFER_SIZE];
1.106 daniel 577:
1.94 daniel 578: if ((ctxt->input != NULL) && (ctxt->input->directory != NULL)) {
579: #ifdef WIN32
580: sprintf(name, "%s\\%s", ctxt->input->directory, filename);
581: #else
582: sprintf(name, "%s/%s", ctxt->input->directory, filename);
583: #endif
584: buf = xmlParserInputBufferCreateFilename(name,
585: XML_CHAR_ENCODING_NONE);
1.106 daniel 586: if (buf != NULL)
1.119 daniel 587: directory = xmlMemStrdup(ctxt->input->directory);
1.106 daniel 588: }
589: if ((buf == NULL) && (ctxt->directory != NULL)) {
590: #ifdef WIN32
591: sprintf(name, "%s\\%s", ctxt->directory, filename);
592: #else
593: sprintf(name, "%s/%s", ctxt->directory, filename);
594: #endif
595: buf = xmlParserInputBufferCreateFilename(name,
596: XML_CHAR_ENCODING_NONE);
597: if (buf != NULL)
1.119 daniel 598: directory = xmlMemStrdup(ctxt->directory);
1.106 daniel 599: }
600: if (buf == NULL)
1.94 daniel 601: return(NULL);
602: }
603: if (directory == NULL)
604: directory = xmlParserGetDirectory(filename);
1.76 daniel 605:
1.96 daniel 606: inputStream = xmlNewInputStream(ctxt);
1.76 daniel 607: if (inputStream == NULL) {
1.119 daniel 608: if (directory != NULL) xmlFree((char *) directory);
1.76 daniel 609: return(NULL);
610: }
611:
1.119 daniel 612: inputStream->filename = xmlMemStrdup(filename);
1.94 daniel 613: inputStream->directory = directory;
1.91 daniel 614: inputStream->buf = buf;
1.76 daniel 615:
1.91 daniel 616: inputStream->base = inputStream->buf->buffer->content;
617: inputStream->cur = inputStream->buf->buffer->content;
1.106 daniel 618: if ((ctxt->directory == NULL) && (directory != NULL))
1.134 daniel 619: ctxt->directory = (char *) xmlStrdup((const xmlChar *) directory);
1.76 daniel 620: return(inputStream);
621: }
622:
1.77 daniel 623: /************************************************************************
624: * *
1.97 daniel 625: * Commodity functions to handle parser contexts *
626: * *
627: ************************************************************************/
628:
629: /**
630: * xmlInitParserCtxt:
631: * @ctxt: an XML parser context
632: *
633: * Initialize a parser context
634: */
635:
636: void
637: xmlInitParserCtxt(xmlParserCtxtPtr ctxt)
638: {
639: xmlSAXHandler *sax;
640:
1.119 daniel 641: sax = (xmlSAXHandler *) xmlMalloc(sizeof(xmlSAXHandler));
1.97 daniel 642: if (sax == NULL) {
643: fprintf(stderr, "xmlInitParserCtxt: out of memory\n");
644: }
645:
646: /* Allocate the Input stack */
1.119 daniel 647: ctxt->inputTab = (xmlParserInputPtr *) xmlMalloc(5 * sizeof(xmlParserInputPtr));
1.97 daniel 648: ctxt->inputNr = 0;
649: ctxt->inputMax = 5;
650: ctxt->input = NULL;
651: ctxt->version = NULL;
652: ctxt->encoding = NULL;
653: ctxt->standalone = -1;
1.98 daniel 654: ctxt->hasExternalSubset = 0;
655: ctxt->hasPErefs = 0;
1.97 daniel 656: ctxt->html = 0;
1.98 daniel 657: ctxt->external = 0;
1.140 daniel 658: ctxt->instate = XML_PARSER_START;
1.97 daniel 659: ctxt->token = 0;
1.106 daniel 660: ctxt->directory = NULL;
1.97 daniel 661:
662: /* Allocate the Node stack */
1.119 daniel 663: ctxt->nodeTab = (xmlNodePtr *) xmlMalloc(10 * sizeof(xmlNodePtr));
1.97 daniel 664: ctxt->nodeNr = 0;
665: ctxt->nodeMax = 10;
666: ctxt->node = NULL;
667:
1.140 daniel 668: /* Allocate the Name stack */
669: ctxt->nameTab = (xmlChar **) xmlMalloc(10 * sizeof(xmlChar *));
670: ctxt->nameNr = 0;
671: ctxt->nameMax = 10;
672: ctxt->name = NULL;
673:
1.97 daniel 674: if (sax == NULL) ctxt->sax = &xmlDefaultSAXHandler;
675: else {
676: ctxt->sax = sax;
677: memcpy(sax, &xmlDefaultSAXHandler, sizeof(xmlSAXHandler));
678: }
679: ctxt->userData = ctxt;
680: ctxt->myDoc = NULL;
681: ctxt->wellFormed = 1;
1.99 daniel 682: ctxt->valid = 1;
1.100 daniel 683: ctxt->validate = xmlDoValidityCheckingDefaultValue;
684: ctxt->vctxt.userData = ctxt;
685: ctxt->vctxt.error = xmlParserValidityError;
686: ctxt->vctxt.warning = xmlParserValidityWarning;
1.97 daniel 687: ctxt->replaceEntities = xmlSubstituteEntitiesDefaultValue;
688: ctxt->record_info = 0;
1.135 daniel 689: ctxt->nbChars = 0;
1.140 daniel 690: ctxt->checkIndex = 0;
691: ctxt->errNo = XML_ERR_OK;
1.97 daniel 692: xmlInitNodeInfoSeq(&ctxt->node_seq);
693: }
694:
695: /**
696: * xmlFreeParserCtxt:
697: * @ctxt: an XML parser context
698: *
699: * Free all the memory used by a parser context. However the parsed
700: * document in ctxt->myDoc is not freed.
701: */
702:
703: void
704: xmlFreeParserCtxt(xmlParserCtxtPtr ctxt)
705: {
706: xmlParserInputPtr input;
1.140 daniel 707: xmlChar *oldname;
1.97 daniel 708:
709: if (ctxt == NULL) return;
710:
711: while ((input = inputPop(ctxt)) != NULL) {
712: xmlFreeInputStream(input);
713: }
1.140 daniel 714: while ((oldname = namePop(ctxt)) != NULL) {
715: xmlFree(oldname);
716: }
717: if (ctxt->nameTab != NULL) xmlFree(ctxt->nameTab);
1.119 daniel 718: if (ctxt->nodeTab != NULL) xmlFree(ctxt->nodeTab);
719: if (ctxt->inputTab != NULL) xmlFree(ctxt->inputTab);
720: if (ctxt->version != NULL) xmlFree((char *) ctxt->version);
721: if (ctxt->encoding != NULL) xmlFree((char *) ctxt->encoding);
1.97 daniel 722: if ((ctxt->sax != NULL) && (ctxt->sax != &xmlDefaultSAXHandler))
1.119 daniel 723: xmlFree(ctxt->sax);
724: if (ctxt->directory != NULL) xmlFree((char *) ctxt->directory);
725: xmlFree(ctxt);
1.97 daniel 726: }
727:
728: /**
729: * xmlNewParserCtxt:
730: *
731: * Allocate and initialize a new parser context.
732: *
733: * Returns the xmlParserCtxtPtr or NULL
734: */
735:
736: xmlParserCtxtPtr
737: xmlNewParserCtxt()
738: {
739: xmlParserCtxtPtr ctxt;
740:
1.119 daniel 741: ctxt = (xmlParserCtxtPtr) xmlMalloc(sizeof(xmlParserCtxt));
1.97 daniel 742: if (ctxt == NULL) {
743: fprintf(stderr, "xmlNewParserCtxt : cannot allocate context\n");
744: perror("malloc");
745: return(NULL);
746: }
747: xmlInitParserCtxt(ctxt);
748: return(ctxt);
749: }
750:
751: /**
752: * xmlClearParserCtxt:
753: * @ctxt: an XML parser context
754: *
755: * Clear (release owned resources) and reinitialize a parser context
756: */
757:
758: void
759: xmlClearParserCtxt(xmlParserCtxtPtr ctxt)
760: {
761: xmlClearNodeInfoSeq(&ctxt->node_seq);
762: xmlInitParserCtxt(ctxt);
763: }
764:
765: /************************************************************************
766: * *
1.77 daniel 767: * Commodity functions to handle entities *
768: * *
769: ************************************************************************/
770:
1.97 daniel 771: void xmlParserHandleReference(xmlParserCtxtPtr ctxt);
772: void xmlParserHandlePEReference(xmlParserCtxtPtr ctxt);
1.135 daniel 773: xmlEntityPtr xmlParseStringPEReference(xmlParserCtxtPtr ctxt,
774: const xmlChar **str);
1.97 daniel 775:
776: /**
777: * xmlParseCharRef:
778: * @ctxt: an XML parser context
779: *
780: * parse Reference declarations
781: *
782: * [66] CharRef ::= '&#' [0-9]+ ';' |
783: * '&#x' [0-9a-fA-F]+ ';'
784: *
1.98 daniel 785: * [ WFC: Legal Character ]
786: * Characters referred to using character references must match the
787: * production for Char.
788: *
1.135 daniel 789: * Returns the value parsed (as an int), 0 in case of error
1.77 daniel 790: */
1.97 daniel 791: int
792: xmlParseCharRef(xmlParserCtxtPtr ctxt) {
793: int val = 0;
794:
1.111 daniel 795: if (ctxt->token != 0) {
1.126 daniel 796: fprintf(stderr, "xmlParseCharRef : ctxt->token != 0\n");
1.111 daniel 797: val = ctxt->token;
798: ctxt->token = 0;
799: return(val);
800: }
1.97 daniel 801: if ((CUR == '&') && (NXT(1) == '#') &&
802: (NXT(2) == 'x')) {
803: SKIP(3);
804: while (CUR != ';') {
805: if ((CUR >= '0') && (CUR <= '9'))
806: val = val * 16 + (CUR - '0');
807: else if ((CUR >= 'a') && (CUR <= 'f'))
808: val = val * 16 + (CUR - 'a') + 10;
809: else if ((CUR >= 'A') && (CUR <= 'F'))
810: val = val * 16 + (CUR - 'A') + 10;
811: else {
1.123 daniel 812: ctxt->errNo = XML_ERR_INVALID_HEX_CHARREF;
1.97 daniel 813: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
814: ctxt->sax->error(ctxt->userData,
815: "xmlParseCharRef: invalid hexadecimal value\n");
816: ctxt->wellFormed = 0;
817: val = 0;
818: break;
819: }
820: NEXT;
821: }
822: if (CUR == ';')
1.126 daniel 823: SKIP(1); /* on purpose to avoid reentrancy problems with NEXT */
1.97 daniel 824: } else if ((CUR == '&') && (NXT(1) == '#')) {
825: SKIP(2);
826: while (CUR != ';') {
827: if ((CUR >= '0') && (CUR <= '9'))
828: val = val * 10 + (CUR - '0');
829: else {
1.123 daniel 830: ctxt->errNo = XML_ERR_INVALID_DEC_CHARREF;
1.97 daniel 831: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
832: ctxt->sax->error(ctxt->userData,
833: "xmlParseCharRef: invalid decimal value\n");
834: ctxt->wellFormed = 0;
835: val = 0;
836: break;
837: }
838: NEXT;
839: }
840: if (CUR == ';')
1.126 daniel 841: SKIP(1); /* on purpose to avoid reentrancy problems with NEXT */
1.97 daniel 842: } else {
1.123 daniel 843: ctxt->errNo = XML_ERR_INVALID_CHARREF;
1.97 daniel 844: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1.98 daniel 845: ctxt->sax->error(ctxt->userData,
846: "xmlParseCharRef: invalid value\n");
1.97 daniel 847: ctxt->wellFormed = 0;
848: }
1.98 daniel 849:
1.97 daniel 850: /*
1.98 daniel 851: * [ WFC: Legal Character ]
852: * Characters referred to using character references must match the
853: * production for Char.
1.97 daniel 854: */
855: if (IS_CHAR(val)) {
856: return(val);
857: } else {
1.123 daniel 858: ctxt->errNo = XML_ERR_INVALID_CHAR;
1.97 daniel 859: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1.123 daniel 860: ctxt->sax->error(ctxt->userData, "CharRef: invalid xmlChar value %d\n",
1.97 daniel 861: val);
862: ctxt->wellFormed = 0;
863: }
864: return(0);
1.77 daniel 865: }
866:
1.96 daniel 867: /**
1.135 daniel 868: * xmlParseStringCharRef:
869: * @ctxt: an XML parser context
870: * @str: a pointer to an index in the string
871: *
872: * parse Reference declarations, variant parsing from a string rather
873: * than an an input flow.
874: *
875: * [66] CharRef ::= '&#' [0-9]+ ';' |
876: * '&#x' [0-9a-fA-F]+ ';'
877: *
878: * [ WFC: Legal Character ]
879: * Characters referred to using character references must match the
880: * production for Char.
881: *
882: * Returns the value parsed (as an int), 0 in case of error, str will be
883: * updated to the current value of the index
884: */
885: int
886: xmlParseStringCharRef(xmlParserCtxtPtr ctxt, const xmlChar **str) {
887: const xmlChar *ptr;
888: xmlChar cur;
889: int val = 0;
890:
891: if ((str == NULL) || (*str == NULL)) return(0);
892: ptr = *str;
893: cur = *ptr;
1.137 daniel 894: if ((cur == '&') && (ptr[1] == '#') && (ptr[2] == 'x')) {
1.135 daniel 895: ptr += 3;
896: cur = *ptr;
897: while (cur != ';') {
898: if ((cur >= '0') && (cur <= '9'))
899: val = val * 16 + (cur - '0');
900: else if ((cur >= 'a') && (cur <= 'f'))
901: val = val * 16 + (cur - 'a') + 10;
902: else if ((cur >= 'A') && (cur <= 'F'))
903: val = val * 16 + (cur - 'A') + 10;
904: else {
905: ctxt->errNo = XML_ERR_INVALID_HEX_CHARREF;
906: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
907: ctxt->sax->error(ctxt->userData,
908: "xmlParseCharRef: invalid hexadecimal value\n");
909: ctxt->wellFormed = 0;
910: val = 0;
911: break;
912: }
913: ptr++;
914: cur = *ptr;
915: }
916: if (cur == ';')
917: ptr++;
918: } else if ((cur = '&') && (ptr[1] == '#')){
919: ptr += 2;
920: cur = *ptr;
921: while (cur != ';') {
922: if ((cur >= '0') && (cur <= '9'))
923: val = val * 10 + (cur - '0');
924: else {
925: ctxt->errNo = XML_ERR_INVALID_DEC_CHARREF;
926: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
927: ctxt->sax->error(ctxt->userData,
928: "xmlParseCharRef: invalid decimal value\n");
929: ctxt->wellFormed = 0;
930: val = 0;
931: break;
932: }
933: ptr++;
934: cur = *ptr;
935: }
936: if (cur == ';')
937: ptr++;
938: } else {
939: ctxt->errNo = XML_ERR_INVALID_CHARREF;
940: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
941: ctxt->sax->error(ctxt->userData,
942: "xmlParseCharRef: invalid value\n");
943: ctxt->wellFormed = 0;
944: return(0);
945: }
946: *str = ptr;
947:
948: /*
949: * [ WFC: Legal Character ]
950: * Characters referred to using character references must match the
951: * production for Char.
952: */
953: if (IS_CHAR(val)) {
954: return(val);
955: } else {
956: ctxt->errNo = XML_ERR_INVALID_CHAR;
957: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
958: ctxt->sax->error(ctxt->userData,
959: "CharRef: invalid xmlChar value %d\n", val);
960: ctxt->wellFormed = 0;
961: }
962: return(0);
963: }
964:
965: /**
1.96 daniel 966: * xmlParserHandleReference:
967: * @ctxt: the parser context
968: *
1.97 daniel 969: * [67] Reference ::= EntityRef | CharRef
970: *
1.96 daniel 971: * [68] EntityRef ::= '&' Name ';'
972: *
1.98 daniel 973: * [ WFC: Entity Declared ]
974: * the Name given in the entity reference must match that in an entity
975: * declaration, except that well-formed documents need not declare any
976: * of the following entities: amp, lt, gt, apos, quot.
977: *
978: * [ WFC: Parsed Entity ]
979: * An entity reference must not contain the name of an unparsed entity
980: *
1.97 daniel 981: * [66] CharRef ::= '&#' [0-9]+ ';' |
982: * '&#x' [0-9a-fA-F]+ ';'
983: *
1.96 daniel 984: * A PEReference may have been detectect in the current input stream
985: * the handling is done accordingly to
986: * http://www.w3.org/TR/REC-xml#entproc
987: */
988: void
989: xmlParserHandleReference(xmlParserCtxtPtr ctxt) {
1.97 daniel 990: xmlParserInputPtr input;
1.123 daniel 991: xmlChar *name;
1.97 daniel 992: xmlEntityPtr ent = NULL;
993:
1.126 daniel 994: if (ctxt->token != 0) {
995: fprintf(stderr, "xmlParserHandleReference : ctxt->token != 0\n");
996: return;
997: }
1.97 daniel 998: if (CUR != '&') return;
999: GROW;
1000: if ((CUR == '&') && (NXT(1) == '#')) {
1001: switch(ctxt->instate) {
1.140 daniel 1002: case XML_PARSER_ENTITY_DECL:
1003: case XML_PARSER_PI:
1.109 daniel 1004: case XML_PARSER_CDATA_SECTION:
1.140 daniel 1005: case XML_PARSER_COMMENT:
1006: /* we just ignore it there */
1007: return;
1008: case XML_PARSER_START_TAG:
1.109 daniel 1009: return;
1.140 daniel 1010: case XML_PARSER_END_TAG:
1.97 daniel 1011: return;
1012: case XML_PARSER_EOF:
1.123 daniel 1013: ctxt->errNo = XML_ERR_CHARREF_AT_EOF;
1.97 daniel 1014: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1015: ctxt->sax->error(ctxt->userData, "CharRef at EOF\n");
1016: ctxt->wellFormed = 0;
1017: return;
1018: case XML_PARSER_PROLOG:
1.140 daniel 1019: case XML_PARSER_START:
1020: case XML_PARSER_MISC:
1.123 daniel 1021: ctxt->errNo = XML_ERR_CHARREF_IN_PROLOG;
1.97 daniel 1022: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1023: ctxt->sax->error(ctxt->userData, "CharRef in prolog!\n");
1024: ctxt->wellFormed = 0;
1025: return;
1026: case XML_PARSER_EPILOG:
1.123 daniel 1027: ctxt->errNo = XML_ERR_CHARREF_IN_EPILOG;
1.97 daniel 1028: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1029: ctxt->sax->error(ctxt->userData, "CharRef in epilog!\n");
1030: ctxt->wellFormed = 0;
1031: return;
1032: case XML_PARSER_DTD:
1.123 daniel 1033: ctxt->errNo = XML_ERR_CHARREF_IN_DTD;
1.97 daniel 1034: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1035: ctxt->sax->error(ctxt->userData,
1036: "CharRef are forbiden in DTDs!\n");
1037: ctxt->wellFormed = 0;
1038: return;
1039: case XML_PARSER_ENTITY_VALUE:
1040: /*
1041: * NOTE: in the case of entity values, we don't do the
1.127 daniel 1042: * substitution here since we need the literal
1.97 daniel 1043: * entity value to be able to save the internal
1044: * subset of the document.
1045: * This will be handled by xmlDecodeEntities
1046: */
1047: return;
1048: case XML_PARSER_CONTENT:
1049: case XML_PARSER_ATTRIBUTE_VALUE:
1.116 daniel 1050: /* !!! this may not be Ok for UTF-8, multibyte sequence */
1.97 daniel 1051: ctxt->token = xmlParseCharRef(ctxt);
1052: return;
1053: }
1054: return;
1055: }
1056:
1057: switch(ctxt->instate) {
1.109 daniel 1058: case XML_PARSER_CDATA_SECTION:
1059: return;
1.140 daniel 1060: case XML_PARSER_PI:
1.97 daniel 1061: case XML_PARSER_COMMENT:
1062: return;
1.140 daniel 1063: case XML_PARSER_START_TAG:
1064: return;
1065: case XML_PARSER_END_TAG:
1066: return;
1.97 daniel 1067: case XML_PARSER_EOF:
1.123 daniel 1068: ctxt->errNo = XML_ERR_ENTITYREF_AT_EOF;
1.97 daniel 1069: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1070: ctxt->sax->error(ctxt->userData, "Reference at EOF\n");
1071: ctxt->wellFormed = 0;
1072: return;
1073: case XML_PARSER_PROLOG:
1.140 daniel 1074: case XML_PARSER_START:
1075: case XML_PARSER_MISC:
1.123 daniel 1076: ctxt->errNo = XML_ERR_ENTITYREF_IN_PROLOG;
1.97 daniel 1077: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1078: ctxt->sax->error(ctxt->userData, "Reference in prolog!\n");
1079: ctxt->wellFormed = 0;
1080: return;
1081: case XML_PARSER_EPILOG:
1.123 daniel 1082: ctxt->errNo = XML_ERR_ENTITYREF_IN_EPILOG;
1.97 daniel 1083: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1084: ctxt->sax->error(ctxt->userData, "Reference in epilog!\n");
1085: ctxt->wellFormed = 0;
1086: return;
1087: case XML_PARSER_ENTITY_VALUE:
1088: /*
1089: * NOTE: in the case of entity values, we don't do the
1.127 daniel 1090: * substitution here since we need the literal
1.97 daniel 1091: * entity value to be able to save the internal
1092: * subset of the document.
1093: * This will be handled by xmlDecodeEntities
1094: */
1095: return;
1096: case XML_PARSER_ATTRIBUTE_VALUE:
1097: /*
1098: * NOTE: in the case of attributes values, we don't do the
1099: * substitution here unless we are in a mode where
1100: * the parser is explicitely asked to substitute
1101: * entities. The SAX callback is called with values
1102: * without entity substitution.
1103: * This will then be handled by xmlDecodeEntities
1104: */
1.113 daniel 1105: return;
1.97 daniel 1106: case XML_PARSER_ENTITY_DECL:
1107: /*
1108: * we just ignore it there
1109: * the substitution will be done once the entity is referenced
1110: */
1111: return;
1112: case XML_PARSER_DTD:
1.123 daniel 1113: ctxt->errNo = XML_ERR_ENTITYREF_IN_DTD;
1.97 daniel 1114: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1115: ctxt->sax->error(ctxt->userData,
1116: "Entity references are forbiden in DTDs!\n");
1117: ctxt->wellFormed = 0;
1118: return;
1119: case XML_PARSER_CONTENT:
1.113 daniel 1120: return;
1.97 daniel 1121: }
1122:
1123: NEXT;
1124: name = xmlScanName(ctxt);
1125: if (name == NULL) {
1.123 daniel 1126: ctxt->errNo = XML_ERR_ENTITYREF_NO_NAME;
1.97 daniel 1127: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1128: ctxt->sax->error(ctxt->userData, "Entity reference: no name\n");
1129: ctxt->wellFormed = 0;
1130: ctxt->token = '&';
1131: return;
1132: }
1133: if (NXT(xmlStrlen(name)) != ';') {
1.123 daniel 1134: ctxt->errNo = XML_ERR_ENTITYREF_SEMICOL_MISSING;
1.97 daniel 1135: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1136: ctxt->sax->error(ctxt->userData,
1137: "Entity reference: ';' expected\n");
1138: ctxt->wellFormed = 0;
1139: ctxt->token = '&';
1.119 daniel 1140: xmlFree(name);
1.97 daniel 1141: return;
1142: }
1143: SKIP(xmlStrlen(name) + 1);
1144: if (ctxt->sax != NULL) {
1145: if (ctxt->sax->getEntity != NULL)
1146: ent = ctxt->sax->getEntity(ctxt->userData, name);
1147: }
1.98 daniel 1148:
1149: /*
1150: * [ WFC: Entity Declared ]
1151: * the Name given in the entity reference must match that in an entity
1152: * declaration, except that well-formed documents need not declare any
1153: * of the following entities: amp, lt, gt, apos, quot.
1154: */
1.97 daniel 1155: if (ent == NULL)
1156: ent = xmlGetPredefinedEntity(name);
1157: if (ent == NULL) {
1.123 daniel 1158: ctxt->errNo = XML_ERR_UNDECLARED_ENTITY;
1.97 daniel 1159: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1160: ctxt->sax->error(ctxt->userData,
1.98 daniel 1161: "Entity reference: entity %s not declared\n",
1162: name);
1.97 daniel 1163: ctxt->wellFormed = 0;
1.119 daniel 1164: xmlFree(name);
1.97 daniel 1165: return;
1166: }
1.98 daniel 1167:
1168: /*
1169: * [ WFC: Parsed Entity ]
1170: * An entity reference must not contain the name of an unparsed entity
1171: */
1172: if (ent->type == XML_EXTERNAL_GENERAL_UNPARSED_ENTITY) {
1.123 daniel 1173: ctxt->errNo = XML_ERR_UNPARSED_ENTITY;
1.98 daniel 1174: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1175: ctxt->sax->error(ctxt->userData,
1176: "Entity reference to unparsed entity %s\n", name);
1177: ctxt->wellFormed = 0;
1178: }
1179:
1.97 daniel 1180: if (ent->type == XML_INTERNAL_PREDEFINED_ENTITY) {
1181: ctxt->token = ent->content[0];
1.119 daniel 1182: xmlFree(name);
1.97 daniel 1183: return;
1184: }
1185: input = xmlNewEntityInputStream(ctxt, ent);
1186: xmlPushInput(ctxt, input);
1.119 daniel 1187: xmlFree(name);
1.96 daniel 1188: return;
1189: }
1190:
1191: /**
1192: * xmlParserHandlePEReference:
1193: * @ctxt: the parser context
1194: *
1195: * [69] PEReference ::= '%' Name ';'
1196: *
1.98 daniel 1197: * [ WFC: No Recursion ]
1198: * TODO A parsed entity must not contain a recursive
1199: * reference to itself, either directly or indirectly.
1200: *
1201: * [ WFC: Entity Declared ]
1202: * In a document without any DTD, a document with only an internal DTD
1203: * subset which contains no parameter entity references, or a document
1204: * with "standalone='yes'", ... ... The declaration of a parameter
1205: * entity must precede any reference to it...
1206: *
1207: * [ VC: Entity Declared ]
1208: * In a document with an external subset or external parameter entities
1209: * with "standalone='no'", ... ... The declaration of a parameter entity
1210: * must precede any reference to it...
1211: *
1212: * [ WFC: In DTD ]
1213: * Parameter-entity references may only appear in the DTD.
1214: * NOTE: misleading but this is handled.
1215: *
1216: * A PEReference may have been detected in the current input stream
1.96 daniel 1217: * the handling is done accordingly to
1218: * http://www.w3.org/TR/REC-xml#entproc
1219: * i.e.
1220: * - Included in literal in entity values
1221: * - Included as Paraemeter Entity reference within DTDs
1222: */
1223: void
1224: xmlParserHandlePEReference(xmlParserCtxtPtr ctxt) {
1.123 daniel 1225: xmlChar *name;
1.96 daniel 1226: xmlEntityPtr entity = NULL;
1227: xmlParserInputPtr input;
1228:
1.126 daniel 1229: if (ctxt->token != 0) {
1230: fprintf(stderr, "xmlParserHandlePEReference : ctxt->token != 0\n");
1231: return;
1232: }
1.111 daniel 1233: if (CUR != '%') return;
1.96 daniel 1234: switch(ctxt->instate) {
1.109 daniel 1235: case XML_PARSER_CDATA_SECTION:
1236: return;
1.97 daniel 1237: case XML_PARSER_COMMENT:
1238: return;
1.140 daniel 1239: case XML_PARSER_START_TAG:
1240: return;
1241: case XML_PARSER_END_TAG:
1242: return;
1.96 daniel 1243: case XML_PARSER_EOF:
1.123 daniel 1244: ctxt->errNo = XML_ERR_PEREF_AT_EOF;
1.96 daniel 1245: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1246: ctxt->sax->error(ctxt->userData, "PEReference at EOF\n");
1247: ctxt->wellFormed = 0;
1248: return;
1249: case XML_PARSER_PROLOG:
1.140 daniel 1250: case XML_PARSER_START:
1251: case XML_PARSER_MISC:
1.123 daniel 1252: ctxt->errNo = XML_ERR_PEREF_IN_PROLOG;
1.96 daniel 1253: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1254: ctxt->sax->error(ctxt->userData, "PEReference in prolog!\n");
1255: ctxt->wellFormed = 0;
1256: return;
1.97 daniel 1257: case XML_PARSER_ENTITY_DECL:
1.96 daniel 1258: case XML_PARSER_CONTENT:
1259: case XML_PARSER_ATTRIBUTE_VALUE:
1.140 daniel 1260: case XML_PARSER_PI:
1.96 daniel 1261: /* we just ignore it there */
1262: return;
1263: case XML_PARSER_EPILOG:
1.123 daniel 1264: ctxt->errNo = XML_ERR_PEREF_IN_EPILOG;
1.96 daniel 1265: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1.97 daniel 1266: ctxt->sax->error(ctxt->userData, "PEReference in epilog!\n");
1.96 daniel 1267: ctxt->wellFormed = 0;
1268: return;
1.97 daniel 1269: case XML_PARSER_ENTITY_VALUE:
1270: /*
1271: * NOTE: in the case of entity values, we don't do the
1.127 daniel 1272: * substitution here since we need the literal
1.97 daniel 1273: * entity value to be able to save the internal
1274: * subset of the document.
1275: * This will be handled by xmlDecodeEntities
1276: */
1277: return;
1.96 daniel 1278: case XML_PARSER_DTD:
1.98 daniel 1279: /*
1280: * [WFC: Well-Formedness Constraint: PEs in Internal Subset]
1281: * In the internal DTD subset, parameter-entity references
1282: * can occur only where markup declarations can occur, not
1283: * within markup declarations.
1284: * In that case this is handled in xmlParseMarkupDecl
1285: */
1286: if ((ctxt->external == 0) && (ctxt->inputNr == 1))
1287: return;
1.96 daniel 1288: }
1289:
1290: NEXT;
1291: name = xmlParseName(ctxt);
1292: if (name == NULL) {
1.123 daniel 1293: ctxt->errNo = XML_ERR_PEREF_NO_NAME;
1.96 daniel 1294: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1295: ctxt->sax->error(ctxt->userData, "xmlHandlePEReference: no name\n");
1296: ctxt->wellFormed = 0;
1297: } else {
1298: if (CUR == ';') {
1299: NEXT;
1.98 daniel 1300: if ((ctxt->sax != NULL) && (ctxt->sax->getParameterEntity != NULL))
1301: entity = ctxt->sax->getParameterEntity(ctxt->userData, name);
1.96 daniel 1302: if (entity == NULL) {
1.98 daniel 1303:
1304: /*
1305: * [ WFC: Entity Declared ]
1306: * In a document without any DTD, a document with only an
1307: * internal DTD subset which contains no parameter entity
1308: * references, or a document with "standalone='yes'", ...
1309: * ... The declaration of a parameter entity must precede
1310: * any reference to it...
1311: */
1312: if ((ctxt->standalone == 1) ||
1313: ((ctxt->hasExternalSubset == 0) &&
1314: (ctxt->hasPErefs == 0))) {
1315: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1316: ctxt->sax->error(ctxt->userData,
1317: "PEReference: %%%s; not found\n", name);
1318: ctxt->wellFormed = 0;
1319: } else {
1320: /*
1321: * [ VC: Entity Declared ]
1322: * In a document with an external subset or external
1323: * parameter entities with "standalone='no'", ...
1324: * ... The declaration of a parameter entity must precede
1325: * any reference to it...
1326: */
1327: if ((ctxt->sax != NULL) && (ctxt->sax->warning != NULL))
1328: ctxt->sax->warning(ctxt->userData,
1329: "PEReference: %%%s; not found\n", name);
1330: ctxt->valid = 0;
1331: }
1.96 daniel 1332: } else {
1333: if ((entity->type == XML_INTERNAL_PARAMETER_ENTITY) ||
1334: (entity->type == XML_EXTERNAL_PARAMETER_ENTITY)) {
1335: /*
1336: * TODO !!!! handle the extra spaces added before and after
1337: * c.f. http://www.w3.org/TR/REC-xml#as-PE
1338: * TODO !!!! Avoid quote processing in parameters value
1339: * c.f. http://www.w3.org/TR/REC-xml#inliteral
1340: */
1341: input = xmlNewEntityInputStream(ctxt, entity);
1342: xmlPushInput(ctxt, input);
1343: } else {
1344: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1345: ctxt->sax->error(ctxt->userData,
1346: "xmlHandlePEReference: %s is not a parameter entity\n",
1347: name);
1348: ctxt->wellFormed = 0;
1349: }
1350: }
1351: } else {
1.123 daniel 1352: ctxt->errNo = XML_ERR_PEREF_SEMICOL_MISSING;
1.96 daniel 1353: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1354: ctxt->sax->error(ctxt->userData,
1355: "xmlHandlePEReference: expecting ';'\n");
1356: ctxt->wellFormed = 0;
1357: }
1.119 daniel 1358: xmlFree(name);
1.97 daniel 1359: }
1360: }
1361:
1362: /*
1363: * Macro used to grow the current buffer.
1364: */
1365: #define growBuffer(buffer) { \
1366: buffer##_size *= 2; \
1.123 daniel 1367: buffer = (xmlChar *) xmlRealloc(buffer, buffer##_size * sizeof(xmlChar)); \
1.97 daniel 1368: if (buffer == NULL) { \
1369: perror("realloc failed"); \
1370: exit(1); \
1371: } \
1.96 daniel 1372: }
1.77 daniel 1373:
1374: /**
1375: * xmlDecodeEntities:
1376: * @ctxt: the parser context
1377: * @what: combination of XML_SUBSTITUTE_REF and XML_SUBSTITUTE_PEREF
1378: * @len: the len to decode (in bytes !), -1 for no size limit
1.123 daniel 1379: * @end: an end marker xmlChar, 0 if none
1380: * @end2: an end marker xmlChar, 0 if none
1381: * @end3: an end marker xmlChar, 0 if none
1.77 daniel 1382: *
1383: * [67] Reference ::= EntityRef | CharRef
1384: *
1385: * [69] PEReference ::= '%' Name ';'
1386: *
1387: * Returns A newly allocated string with the substitution done. The caller
1388: * must deallocate it !
1389: */
1.123 daniel 1390: xmlChar *
1.77 daniel 1391: xmlDecodeEntities(xmlParserCtxtPtr ctxt, int len, int what,
1.123 daniel 1392: xmlChar end, xmlChar end2, xmlChar end3) {
1393: xmlChar *buffer = NULL;
1.78 daniel 1394: int buffer_size = 0;
1.123 daniel 1395: xmlChar *out = NULL;
1.78 daniel 1396:
1.123 daniel 1397: xmlChar *current = NULL;
1.77 daniel 1398: xmlEntityPtr ent;
1.91 daniel 1399: int nbchars = 0;
1.77 daniel 1400: unsigned int max = (unsigned int) len;
1.123 daniel 1401: xmlChar cur;
1.77 daniel 1402:
1403: /*
1404: * allocate a translation buffer.
1405: */
1.140 daniel 1406: buffer_size = XML_PARSER_BIG_BUFFER_SIZE;
1.123 daniel 1407: buffer = (xmlChar *) xmlMalloc(buffer_size * sizeof(xmlChar));
1.77 daniel 1408: if (buffer == NULL) {
1409: perror("xmlDecodeEntities: malloc failed");
1410: return(NULL);
1411: }
1412: out = buffer;
1413:
1.78 daniel 1414: /*
1415: * Ok loop until we reach one of the ending char or a size limit.
1416: */
1.97 daniel 1417: cur = CUR;
1418: while ((nbchars < max) && (cur != end) &&
1419: (cur != end2) && (cur != end3)) {
1.77 daniel 1420:
1.98 daniel 1421: if (cur == 0) break;
1422: if ((cur == '&') && (NXT(1) == '#')) {
1423: int val = xmlParseCharRef(ctxt);
1424: *out++ = val;
1425: nbchars += 3;
1426: } else if ((cur == '&') && (what & XML_SUBSTITUTE_REF)) {
1427: ent = xmlParseEntityRef(ctxt);
1428: if ((ent != NULL) &&
1429: (ctxt->replaceEntities != 0)) {
1430: current = ent->content;
1431: while (*current != 0) {
1432: *out++ = *current++;
1.140 daniel 1433: if (out - buffer > buffer_size - XML_PARSER_BUFFER_SIZE) {
1.98 daniel 1434: int index = out - buffer;
1435:
1436: growBuffer(buffer);
1437: out = &buffer[index];
1.77 daniel 1438: }
1439: }
1.98 daniel 1440: nbchars += 3 + xmlStrlen(ent->name);
1441: } else if (ent != NULL) {
1442: int i = xmlStrlen(ent->name);
1.123 daniel 1443: const xmlChar *cur = ent->name;
1.98 daniel 1444:
1445: nbchars += i + 2;
1446: *out++ = '&';
1.140 daniel 1447: if (out - buffer > buffer_size - i - XML_PARSER_BUFFER_SIZE) {
1.98 daniel 1448: int index = out - buffer;
1449:
1450: growBuffer(buffer);
1451: out = &buffer[index];
1452: }
1453: for (;i > 0;i--)
1454: *out++ = *cur++;
1455: *out++ = ';';
1.77 daniel 1456: }
1.97 daniel 1457: } else if (cur == '%' && (what & XML_SUBSTITUTE_PEREF)) {
1458: /*
1.77 daniel 1459: * a PEReference induce to switch the entity flow,
1460: * we break here to flush the current set of chars
1461: * parsed if any. We will be called back later.
1.97 daniel 1462: */
1.91 daniel 1463: if (nbchars != 0) break;
1.77 daniel 1464:
1465: xmlParsePEReference(ctxt);
1.79 daniel 1466:
1.97 daniel 1467: /*
1.79 daniel 1468: * Pop-up of finished entities.
1.97 daniel 1469: */
1.79 daniel 1470: while ((CUR == 0) && (ctxt->inputNr > 1))
1471: xmlPopInput(ctxt);
1472:
1.98 daniel 1473: break;
1.77 daniel 1474: } else {
1.116 daniel 1475: /* invalid for UTF-8 , use COPY(out); !!!!!! */
1.97 daniel 1476: *out++ = cur;
1.91 daniel 1477: nbchars++;
1.140 daniel 1478: if (out - buffer > buffer_size - XML_PARSER_BUFFER_SIZE) {
1.86 daniel 1479: int index = out - buffer;
1480:
1481: growBuffer(buffer);
1482: out = &buffer[index];
1483: }
1.77 daniel 1484: NEXT;
1485: }
1.97 daniel 1486: cur = CUR;
1.77 daniel 1487: }
1488: *out++ = 0;
1489: return(buffer);
1490: }
1491:
1.135 daniel 1492: /**
1493: * xmlStringDecodeEntities:
1494: * @ctxt: the parser context
1495: * @str: the input string
1496: * @what: combination of XML_SUBSTITUTE_REF and XML_SUBSTITUTE_PEREF
1497: * @end: an end marker xmlChar, 0 if none
1498: * @end2: an end marker xmlChar, 0 if none
1499: * @end3: an end marker xmlChar, 0 if none
1500: *
1501: * [67] Reference ::= EntityRef | CharRef
1502: *
1503: * [69] PEReference ::= '%' Name ';'
1504: *
1505: * Returns A newly allocated string with the substitution done. The caller
1506: * must deallocate it !
1507: */
1508: xmlChar *
1509: xmlStringDecodeEntities(xmlParserCtxtPtr ctxt, const xmlChar *str, int what,
1510: xmlChar end, xmlChar end2, xmlChar end3) {
1511: xmlChar *buffer = NULL;
1512: int buffer_size = 0;
1513: xmlChar *out = NULL;
1514:
1515: xmlChar *current = NULL;
1516: xmlEntityPtr ent;
1517: xmlChar cur;
1518:
1519: /*
1520: * allocate a translation buffer.
1521: */
1.140 daniel 1522: buffer_size = XML_PARSER_BIG_BUFFER_SIZE;
1.135 daniel 1523: buffer = (xmlChar *) xmlMalloc(buffer_size * sizeof(xmlChar));
1524: if (buffer == NULL) {
1525: perror("xmlDecodeEntities: malloc failed");
1526: return(NULL);
1527: }
1528: out = buffer;
1529:
1530: /*
1531: * Ok loop until we reach one of the ending char or a size limit.
1532: */
1533: cur = *str;
1534: while ((cur != 0) && (cur != end) &&
1535: (cur != end2) && (cur != end3)) {
1536:
1537: if (cur == 0) break;
1538: if ((cur == '&') && (str[1] == '#')) {
1539: int val = xmlParseStringCharRef(ctxt, &str);
1540: if (val != 0)
1541: *out++ = val;
1542: } else if ((cur == '&') && (what & XML_SUBSTITUTE_REF)) {
1543: ent = xmlParseStringEntityRef(ctxt, &str);
1544: if ((ent != NULL) &&
1545: (ctxt->replaceEntities != 0)) {
1546: current = ent->content;
1547: while (*current != 0) {
1548: *out++ = *current++;
1.140 daniel 1549: if (out - buffer > buffer_size - XML_PARSER_BUFFER_SIZE) {
1.135 daniel 1550: int index = out - buffer;
1551:
1552: growBuffer(buffer);
1553: out = &buffer[index];
1554: }
1555: }
1556: } else if (ent != NULL) {
1557: int i = xmlStrlen(ent->name);
1558: const xmlChar *cur = ent->name;
1559:
1560: *out++ = '&';
1.140 daniel 1561: if (out - buffer > buffer_size - i - XML_PARSER_BUFFER_SIZE) {
1.135 daniel 1562: int index = out - buffer;
1563:
1564: growBuffer(buffer);
1565: out = &buffer[index];
1566: }
1567: for (;i > 0;i--)
1568: *out++ = *cur++;
1569: *out++ = ';';
1570: }
1571: } else if (cur == '%' && (what & XML_SUBSTITUTE_PEREF)) {
1572: ent = xmlParseStringPEReference(ctxt, &str);
1573: if (ent != NULL) {
1574: current = ent->content;
1575: while (*current != 0) {
1576: *out++ = *current++;
1.140 daniel 1577: if (out - buffer > buffer_size - XML_PARSER_BUFFER_SIZE) {
1.135 daniel 1578: int index = out - buffer;
1579:
1580: growBuffer(buffer);
1581: out = &buffer[index];
1582: }
1583: }
1584: }
1585: } else {
1586: /* invalid for UTF-8 , use COPY(out); !!!!!! */
1587: *out++ = cur;
1.140 daniel 1588: if (out - buffer > buffer_size - XML_PARSER_BUFFER_SIZE) {
1.135 daniel 1589: int index = out - buffer;
1590:
1591: growBuffer(buffer);
1592: out = &buffer[index];
1593: }
1594: str++;
1595: }
1596: cur = *str;
1597: }
1598: *out = 0;
1599: return(buffer);
1600: }
1601:
1.1 veillard 1602:
1.28 daniel 1603: /************************************************************************
1604: * *
1.75 daniel 1605: * Commodity functions to handle encodings *
1606: * *
1607: ************************************************************************/
1608:
1609: /**
1610: * xmlSwitchEncoding:
1611: * @ctxt: the parser context
1.124 daniel 1612: * @enc: the encoding value (number)
1.75 daniel 1613: *
1614: * change the input functions when discovering the character encoding
1615: * of a given entity.
1616: */
1617: void
1618: xmlSwitchEncoding(xmlParserCtxtPtr ctxt, xmlCharEncoding enc)
1619: {
1620: switch (enc) {
1621: case XML_CHAR_ENCODING_ERROR:
1.123 daniel 1622: ctxt->errNo = XML_ERR_UNKNOWN_ENCODING;
1.75 daniel 1623: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1624: ctxt->sax->error(ctxt->userData, "encoding unknown\n");
1625: ctxt->wellFormed = 0;
1626: break;
1627: case XML_CHAR_ENCODING_NONE:
1628: /* let's assume it's UTF-8 without the XML decl */
1629: return;
1630: case XML_CHAR_ENCODING_UTF8:
1631: /* default encoding, no conversion should be needed */
1632: return;
1633: case XML_CHAR_ENCODING_UTF16LE:
1.123 daniel 1634: ctxt->errNo = XML_ERR_UNSUPPORTED_ENCODING;
1.75 daniel 1635: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1636: ctxt->sax->error(ctxt->userData,
1637: "char encoding UTF16 little endian not supported\n");
1638: break;
1639: case XML_CHAR_ENCODING_UTF16BE:
1.123 daniel 1640: ctxt->errNo = XML_ERR_UNSUPPORTED_ENCODING;
1.75 daniel 1641: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1642: ctxt->sax->error(ctxt->userData,
1643: "char encoding UTF16 big endian not supported\n");
1644: break;
1645: case XML_CHAR_ENCODING_UCS4LE:
1.123 daniel 1646: ctxt->errNo = XML_ERR_UNSUPPORTED_ENCODING;
1.75 daniel 1647: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1648: ctxt->sax->error(ctxt->userData,
1649: "char encoding USC4 little endian not supported\n");
1650: break;
1651: case XML_CHAR_ENCODING_UCS4BE:
1.123 daniel 1652: ctxt->errNo = XML_ERR_UNSUPPORTED_ENCODING;
1.75 daniel 1653: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1654: ctxt->sax->error(ctxt->userData,
1655: "char encoding USC4 big endian not supported\n");
1656: break;
1657: case XML_CHAR_ENCODING_EBCDIC:
1.123 daniel 1658: ctxt->errNo = XML_ERR_UNSUPPORTED_ENCODING;
1.75 daniel 1659: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1660: ctxt->sax->error(ctxt->userData,
1661: "char encoding EBCDIC not supported\n");
1662: break;
1663: case XML_CHAR_ENCODING_UCS4_2143:
1.123 daniel 1664: ctxt->errNo = XML_ERR_UNSUPPORTED_ENCODING;
1.75 daniel 1665: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1666: ctxt->sax->error(ctxt->userData,
1667: "char encoding UCS4 2143 not supported\n");
1668: break;
1669: case XML_CHAR_ENCODING_UCS4_3412:
1.123 daniel 1670: ctxt->errNo = XML_ERR_UNSUPPORTED_ENCODING;
1.75 daniel 1671: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1672: ctxt->sax->error(ctxt->userData,
1673: "char encoding UCS4 3412 not supported\n");
1674: break;
1675: case XML_CHAR_ENCODING_UCS2:
1.123 daniel 1676: ctxt->errNo = XML_ERR_UNSUPPORTED_ENCODING;
1.75 daniel 1677: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1678: ctxt->sax->error(ctxt->userData,
1679: "char encoding UCS2 not supported\n");
1680: break;
1681: case XML_CHAR_ENCODING_8859_1:
1.123 daniel 1682: ctxt->errNo = XML_ERR_UNSUPPORTED_ENCODING;
1.75 daniel 1683: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1684: ctxt->sax->error(ctxt->userData,
1685: "char encoding ISO_8859_1 ISO Latin 1 not supported\n");
1686: break;
1687: case XML_CHAR_ENCODING_8859_2:
1.123 daniel 1688: ctxt->errNo = XML_ERR_UNSUPPORTED_ENCODING;
1.75 daniel 1689: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1690: ctxt->sax->error(ctxt->userData,
1691: "char encoding ISO_8859_2 ISO Latin 2 not supported\n");
1692: break;
1693: case XML_CHAR_ENCODING_8859_3:
1.123 daniel 1694: ctxt->errNo = XML_ERR_UNSUPPORTED_ENCODING;
1.75 daniel 1695: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1696: ctxt->sax->error(ctxt->userData,
1697: "char encoding ISO_8859_3 not supported\n");
1698: break;
1699: case XML_CHAR_ENCODING_8859_4:
1.123 daniel 1700: ctxt->errNo = XML_ERR_UNSUPPORTED_ENCODING;
1.75 daniel 1701: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1702: ctxt->sax->error(ctxt->userData,
1703: "char encoding ISO_8859_4 not supported\n");
1704: break;
1705: case XML_CHAR_ENCODING_8859_5:
1.123 daniel 1706: ctxt->errNo = XML_ERR_UNSUPPORTED_ENCODING;
1.75 daniel 1707: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1708: ctxt->sax->error(ctxt->userData,
1709: "char encoding ISO_8859_5 not supported\n");
1710: break;
1711: case XML_CHAR_ENCODING_8859_6:
1.123 daniel 1712: ctxt->errNo = XML_ERR_UNSUPPORTED_ENCODING;
1.75 daniel 1713: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1714: ctxt->sax->error(ctxt->userData,
1715: "char encoding ISO_8859_6 not supported\n");
1716: break;
1717: case XML_CHAR_ENCODING_8859_7:
1.123 daniel 1718: ctxt->errNo = XML_ERR_UNSUPPORTED_ENCODING;
1.75 daniel 1719: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1720: ctxt->sax->error(ctxt->userData,
1721: "char encoding ISO_8859_7 not supported\n");
1722: break;
1723: case XML_CHAR_ENCODING_8859_8:
1.123 daniel 1724: ctxt->errNo = XML_ERR_UNSUPPORTED_ENCODING;
1.75 daniel 1725: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1726: ctxt->sax->error(ctxt->userData,
1727: "char encoding ISO_8859_8 not supported\n");
1728: break;
1729: case XML_CHAR_ENCODING_8859_9:
1.123 daniel 1730: ctxt->errNo = XML_ERR_UNSUPPORTED_ENCODING;
1.75 daniel 1731: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1732: ctxt->sax->error(ctxt->userData,
1733: "char encoding ISO_8859_9 not supported\n");
1734: break;
1735: case XML_CHAR_ENCODING_2022_JP:
1.123 daniel 1736: ctxt->errNo = XML_ERR_UNSUPPORTED_ENCODING;
1.75 daniel 1737: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1738: ctxt->sax->error(ctxt->userData,
1739: "char encoding ISO-2022-JPnot supported\n");
1740: break;
1741: case XML_CHAR_ENCODING_SHIFT_JIS:
1.123 daniel 1742: ctxt->errNo = XML_ERR_UNSUPPORTED_ENCODING;
1.75 daniel 1743: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1744: ctxt->sax->error(ctxt->userData,
1745: "char encoding Shift_JISnot supported\n");
1746: break;
1747: case XML_CHAR_ENCODING_EUC_JP:
1.123 daniel 1748: ctxt->errNo = XML_ERR_UNSUPPORTED_ENCODING;
1.75 daniel 1749: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1750: ctxt->sax->error(ctxt->userData,
1751: "char encoding EUC-JPnot supported\n");
1752: break;
1753: }
1754: }
1755:
1756: /************************************************************************
1757: * *
1.123 daniel 1758: * Commodity functions to handle xmlChars *
1.28 daniel 1759: * *
1760: ************************************************************************/
1761:
1.50 daniel 1762: /**
1763: * xmlStrndup:
1.123 daniel 1764: * @cur: the input xmlChar *
1.50 daniel 1765: * @len: the len of @cur
1766: *
1.123 daniel 1767: * a strndup for array of xmlChar's
1.68 daniel 1768: *
1.123 daniel 1769: * Returns a new xmlChar * or NULL
1.1 veillard 1770: */
1.123 daniel 1771: xmlChar *
1772: xmlStrndup(const xmlChar *cur, int len) {
1.135 daniel 1773: xmlChar *ret;
1774:
1775: if ((cur == NULL) || (len < 0)) return(NULL);
1776: ret = xmlMalloc((len + 1) * sizeof(xmlChar));
1.1 veillard 1777: if (ret == NULL) {
1.86 daniel 1778: fprintf(stderr, "malloc of %ld byte failed\n",
1.123 daniel 1779: (len + 1) * (long)sizeof(xmlChar));
1.1 veillard 1780: return(NULL);
1781: }
1.123 daniel 1782: memcpy(ret, cur, len * sizeof(xmlChar));
1.1 veillard 1783: ret[len] = 0;
1784: return(ret);
1785: }
1786:
1.50 daniel 1787: /**
1788: * xmlStrdup:
1.123 daniel 1789: * @cur: the input xmlChar *
1.50 daniel 1790: *
1.123 daniel 1791: * a strdup for array of xmlChar's
1.68 daniel 1792: *
1.123 daniel 1793: * Returns a new xmlChar * or NULL
1.1 veillard 1794: */
1.123 daniel 1795: xmlChar *
1796: xmlStrdup(const xmlChar *cur) {
1797: const xmlChar *p = cur;
1.1 veillard 1798:
1.135 daniel 1799: if (cur == NULL) return(NULL);
1.1 veillard 1800: while (IS_CHAR(*p)) p++;
1801: return(xmlStrndup(cur, p - cur));
1802: }
1803:
1.50 daniel 1804: /**
1805: * xmlCharStrndup:
1806: * @cur: the input char *
1807: * @len: the len of @cur
1808: *
1.123 daniel 1809: * a strndup for char's to xmlChar's
1.68 daniel 1810: *
1.123 daniel 1811: * Returns a new xmlChar * or NULL
1.45 daniel 1812: */
1813:
1.123 daniel 1814: xmlChar *
1.55 daniel 1815: xmlCharStrndup(const char *cur, int len) {
1.45 daniel 1816: int i;
1.135 daniel 1817: xmlChar *ret;
1818:
1819: if ((cur == NULL) || (len < 0)) return(NULL);
1820: ret = xmlMalloc((len + 1) * sizeof(xmlChar));
1.45 daniel 1821: if (ret == NULL) {
1.86 daniel 1822: fprintf(stderr, "malloc of %ld byte failed\n",
1.123 daniel 1823: (len + 1) * (long)sizeof(xmlChar));
1.45 daniel 1824: return(NULL);
1825: }
1826: for (i = 0;i < len;i++)
1.123 daniel 1827: ret[i] = (xmlChar) cur[i];
1.45 daniel 1828: ret[len] = 0;
1829: return(ret);
1830: }
1831:
1.50 daniel 1832: /**
1833: * xmlCharStrdup:
1834: * @cur: the input char *
1835: * @len: the len of @cur
1836: *
1.123 daniel 1837: * a strdup for char's to xmlChar's
1.68 daniel 1838: *
1.123 daniel 1839: * Returns a new xmlChar * or NULL
1.45 daniel 1840: */
1841:
1.123 daniel 1842: xmlChar *
1.55 daniel 1843: xmlCharStrdup(const char *cur) {
1.45 daniel 1844: const char *p = cur;
1845:
1.135 daniel 1846: if (cur == NULL) return(NULL);
1.45 daniel 1847: while (*p != '\0') p++;
1848: return(xmlCharStrndup(cur, p - cur));
1849: }
1850:
1.50 daniel 1851: /**
1852: * xmlStrcmp:
1.123 daniel 1853: * @str1: the first xmlChar *
1854: * @str2: the second xmlChar *
1.50 daniel 1855: *
1.123 daniel 1856: * a strcmp for xmlChar's
1.68 daniel 1857: *
1858: * Returns the integer result of the comparison
1.14 veillard 1859: */
1860:
1.55 daniel 1861: int
1.123 daniel 1862: xmlStrcmp(const xmlChar *str1, const xmlChar *str2) {
1.14 veillard 1863: register int tmp;
1864:
1.135 daniel 1865: if ((str1 == NULL) && (str2 == NULL)) return(0);
1866: if (str1 == NULL) return(-1);
1867: if (str2 == NULL) return(1);
1.14 veillard 1868: do {
1869: tmp = *str1++ - *str2++;
1870: if (tmp != 0) return(tmp);
1871: } while ((*str1 != 0) && (*str2 != 0));
1872: return (*str1 - *str2);
1873: }
1874:
1.50 daniel 1875: /**
1876: * xmlStrncmp:
1.123 daniel 1877: * @str1: the first xmlChar *
1878: * @str2: the second xmlChar *
1.50 daniel 1879: * @len: the max comparison length
1880: *
1.123 daniel 1881: * a strncmp for xmlChar's
1.68 daniel 1882: *
1883: * Returns the integer result of the comparison
1.14 veillard 1884: */
1885:
1.55 daniel 1886: int
1.123 daniel 1887: xmlStrncmp(const xmlChar *str1, const xmlChar *str2, int len) {
1.14 veillard 1888: register int tmp;
1889:
1890: if (len <= 0) return(0);
1.135 daniel 1891: if ((str1 == NULL) && (str2 == NULL)) return(0);
1892: if (str1 == NULL) return(-1);
1893: if (str2 == NULL) return(1);
1.14 veillard 1894: do {
1895: tmp = *str1++ - *str2++;
1896: if (tmp != 0) return(tmp);
1897: len--;
1898: if (len <= 0) return(0);
1899: } while ((*str1 != 0) && (*str2 != 0));
1900: return (*str1 - *str2);
1901: }
1902:
1.50 daniel 1903: /**
1904: * xmlStrchr:
1.123 daniel 1905: * @str: the xmlChar * array
1906: * @val: the xmlChar to search
1.50 daniel 1907: *
1.123 daniel 1908: * a strchr for xmlChar's
1.68 daniel 1909: *
1.123 daniel 1910: * Returns the xmlChar * for the first occurence or NULL.
1.14 veillard 1911: */
1912:
1.123 daniel 1913: const xmlChar *
1914: xmlStrchr(const xmlChar *str, xmlChar val) {
1.135 daniel 1915: if (str == NULL) return(NULL);
1.14 veillard 1916: while (*str != 0) {
1.123 daniel 1917: if (*str == val) return((xmlChar *) str);
1.14 veillard 1918: str++;
1919: }
1920: return(NULL);
1.89 daniel 1921: }
1922:
1923: /**
1924: * xmlStrstr:
1.123 daniel 1925: * @str: the xmlChar * array (haystack)
1926: * @val: the xmlChar to search (needle)
1.89 daniel 1927: *
1.123 daniel 1928: * a strstr for xmlChar's
1.89 daniel 1929: *
1.123 daniel 1930: * Returns the xmlChar * for the first occurence or NULL.
1.89 daniel 1931: */
1932:
1.123 daniel 1933: const xmlChar *
1934: xmlStrstr(const xmlChar *str, xmlChar *val) {
1.89 daniel 1935: int n;
1936:
1937: if (str == NULL) return(NULL);
1938: if (val == NULL) return(NULL);
1939: n = xmlStrlen(val);
1940:
1941: if (n == 0) return(str);
1942: while (*str != 0) {
1943: if (*str == *val) {
1.123 daniel 1944: if (!xmlStrncmp(str, val, n)) return((const xmlChar *) str);
1.89 daniel 1945: }
1946: str++;
1947: }
1948: return(NULL);
1949: }
1950:
1951: /**
1952: * xmlStrsub:
1.123 daniel 1953: * @str: the xmlChar * array (haystack)
1.89 daniel 1954: * @start: the index of the first char (zero based)
1955: * @len: the length of the substring
1956: *
1957: * Extract a substring of a given string
1958: *
1.123 daniel 1959: * Returns the xmlChar * for the first occurence or NULL.
1.89 daniel 1960: */
1961:
1.123 daniel 1962: xmlChar *
1963: xmlStrsub(const xmlChar *str, int start, int len) {
1.89 daniel 1964: int i;
1965:
1966: if (str == NULL) return(NULL);
1967: if (start < 0) return(NULL);
1.90 daniel 1968: if (len < 0) return(NULL);
1.89 daniel 1969:
1970: for (i = 0;i < start;i++) {
1971: if (*str == 0) return(NULL);
1972: str++;
1973: }
1974: if (*str == 0) return(NULL);
1975: return(xmlStrndup(str, len));
1.14 veillard 1976: }
1.28 daniel 1977:
1.50 daniel 1978: /**
1979: * xmlStrlen:
1.123 daniel 1980: * @str: the xmlChar * array
1.50 daniel 1981: *
1.127 daniel 1982: * length of a xmlChar's string
1.68 daniel 1983: *
1.123 daniel 1984: * Returns the number of xmlChar contained in the ARRAY.
1.45 daniel 1985: */
1986:
1.55 daniel 1987: int
1.123 daniel 1988: xmlStrlen(const xmlChar *str) {
1.45 daniel 1989: int len = 0;
1990:
1991: if (str == NULL) return(0);
1992: while (*str != 0) {
1993: str++;
1994: len++;
1995: }
1996: return(len);
1997: }
1998:
1.50 daniel 1999: /**
2000: * xmlStrncat:
1.123 daniel 2001: * @cur: the original xmlChar * array
2002: * @add: the xmlChar * array added
1.50 daniel 2003: * @len: the length of @add
2004: *
1.123 daniel 2005: * a strncat for array of xmlChar's
1.68 daniel 2006: *
1.123 daniel 2007: * Returns a new xmlChar * containing the concatenated string.
1.45 daniel 2008: */
2009:
1.123 daniel 2010: xmlChar *
2011: xmlStrncat(xmlChar *cur, const xmlChar *add, int len) {
1.45 daniel 2012: int size;
1.123 daniel 2013: xmlChar *ret;
1.45 daniel 2014:
2015: if ((add == NULL) || (len == 0))
2016: return(cur);
2017: if (cur == NULL)
2018: return(xmlStrndup(add, len));
2019:
2020: size = xmlStrlen(cur);
1.123 daniel 2021: ret = xmlRealloc(cur, (size + len + 1) * sizeof(xmlChar));
1.45 daniel 2022: if (ret == NULL) {
1.86 daniel 2023: fprintf(stderr, "xmlStrncat: realloc of %ld byte failed\n",
1.123 daniel 2024: (size + len + 1) * (long)sizeof(xmlChar));
1.45 daniel 2025: return(cur);
2026: }
1.123 daniel 2027: memcpy(&ret[size], add, len * sizeof(xmlChar));
1.45 daniel 2028: ret[size + len] = 0;
2029: return(ret);
2030: }
2031:
1.50 daniel 2032: /**
2033: * xmlStrcat:
1.123 daniel 2034: * @cur: the original xmlChar * array
2035: * @add: the xmlChar * array added
1.50 daniel 2036: *
1.123 daniel 2037: * a strcat for array of xmlChar's
1.68 daniel 2038: *
1.123 daniel 2039: * Returns a new xmlChar * containing the concatenated string.
1.45 daniel 2040: */
1.123 daniel 2041: xmlChar *
2042: xmlStrcat(xmlChar *cur, const xmlChar *add) {
2043: const xmlChar *p = add;
1.45 daniel 2044:
2045: if (add == NULL) return(cur);
2046: if (cur == NULL)
2047: return(xmlStrdup(add));
2048:
2049: while (IS_CHAR(*p)) p++;
2050: return(xmlStrncat(cur, add, p - add));
2051: }
2052:
2053: /************************************************************************
2054: * *
2055: * Commodity functions, cleanup needed ? *
2056: * *
2057: ************************************************************************/
2058:
1.50 daniel 2059: /**
2060: * areBlanks:
2061: * @ctxt: an XML parser context
1.123 daniel 2062: * @str: a xmlChar *
1.50 daniel 2063: * @len: the size of @str
2064: *
1.45 daniel 2065: * Is this a sequence of blank chars that one can ignore ?
1.50 daniel 2066: *
1.68 daniel 2067: * Returns 1 if ignorable 0 otherwise.
1.45 daniel 2068: */
2069:
1.123 daniel 2070: static int areBlanks(xmlParserCtxtPtr ctxt, const xmlChar *str, int len) {
1.104 daniel 2071: int i, ret;
1.45 daniel 2072: xmlNodePtr lastChild;
2073:
2074: for (i = 0;i < len;i++)
2075: if (!(IS_BLANK(str[i]))) return(0);
2076:
2077: if (CUR != '<') return(0);
1.72 daniel 2078: if (ctxt->node == NULL) return(0);
1.104 daniel 2079: if (ctxt->myDoc != NULL) {
2080: ret = xmlIsMixedElement(ctxt->myDoc, ctxt->node->name);
2081: if (ret == 0) return(1);
2082: if (ret == 1) return(0);
2083: }
2084: /*
2085: * heuristic
2086: */
1.45 daniel 2087: lastChild = xmlGetLastChild(ctxt->node);
2088: if (lastChild == NULL) {
2089: if (ctxt->node->content != NULL) return(0);
2090: } else if (xmlNodeIsText(lastChild))
2091: return(0);
1.104 daniel 2092: else if ((ctxt->node->childs != NULL) &&
2093: (xmlNodeIsText(ctxt->node->childs)))
2094: return(0);
1.45 daniel 2095: return(1);
2096: }
2097:
1.50 daniel 2098: /**
2099: * xmlHandleEntity:
2100: * @ctxt: an XML parser context
2101: * @entity: an XML entity pointer.
2102: *
2103: * Default handling of defined entities, when should we define a new input
1.45 daniel 2104: * stream ? When do we just handle that as a set of chars ?
1.99 daniel 2105: *
2106: * OBSOLETE: to be removed at some point.
1.45 daniel 2107: */
2108:
1.55 daniel 2109: void
2110: xmlHandleEntity(xmlParserCtxtPtr ctxt, xmlEntityPtr entity) {
1.45 daniel 2111: int len;
1.50 daniel 2112: xmlParserInputPtr input;
1.45 daniel 2113:
2114: if (entity->content == NULL) {
1.123 daniel 2115: ctxt->errNo = XML_ERR_INTERNAL_ERROR;
1.55 daniel 2116: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1.74 daniel 2117: ctxt->sax->error(ctxt->userData, "xmlHandleEntity %s: content == NULL\n",
1.45 daniel 2118: entity->name);
1.59 daniel 2119: ctxt->wellFormed = 0;
1.45 daniel 2120: return;
2121: }
2122: len = xmlStrlen(entity->content);
2123: if (len <= 2) goto handle_as_char;
2124:
2125: /*
2126: * Redefine its content as an input stream.
2127: */
1.50 daniel 2128: input = xmlNewEntityInputStream(ctxt, entity);
2129: xmlPushInput(ctxt, input);
1.45 daniel 2130: return;
2131:
2132: handle_as_char:
2133: /*
2134: * Just handle the content as a set of chars.
2135: */
1.72 daniel 2136: if ((ctxt->sax != NULL) && (ctxt->sax->characters != NULL))
1.74 daniel 2137: ctxt->sax->characters(ctxt->userData, entity->content, len);
1.45 daniel 2138:
2139: }
2140:
2141: /*
2142: * Forward definition for recusive behaviour.
2143: */
1.77 daniel 2144: void xmlParsePEReference(xmlParserCtxtPtr ctxt);
2145: void xmlParseReference(xmlParserCtxtPtr ctxt);
1.45 daniel 2146:
1.28 daniel 2147: /************************************************************************
2148: * *
2149: * Extra stuff for namespace support *
2150: * Relates to http://www.w3.org/TR/WD-xml-names *
2151: * *
2152: ************************************************************************/
2153:
1.50 daniel 2154: /**
2155: * xmlNamespaceParseNCName:
2156: * @ctxt: an XML parser context
2157: *
2158: * parse an XML namespace name.
1.28 daniel 2159: *
2160: * [NS 3] NCName ::= (Letter | '_') (NCNameChar)*
2161: *
2162: * [NS 4] NCNameChar ::= Letter | Digit | '.' | '-' | '_' |
2163: * CombiningChar | Extender
1.68 daniel 2164: *
2165: * Returns the namespace name or NULL
1.28 daniel 2166: */
2167:
1.123 daniel 2168: xmlChar *
1.55 daniel 2169: xmlNamespaceParseNCName(xmlParserCtxtPtr ctxt) {
1.123 daniel 2170: xmlChar buf[XML_MAX_NAMELEN];
1.91 daniel 2171: int len = 0;
1.28 daniel 2172:
1.40 daniel 2173: if (!IS_LETTER(CUR) && (CUR != '_')) return(NULL);
1.28 daniel 2174:
1.40 daniel 2175: while ((IS_LETTER(CUR)) || (IS_DIGIT(CUR)) ||
2176: (CUR == '.') || (CUR == '-') ||
2177: (CUR == '_') ||
2178: (IS_COMBINING(CUR)) ||
1.91 daniel 2179: (IS_EXTENDER(CUR))) {
2180: buf[len++] = CUR;
1.40 daniel 2181: NEXT;
1.91 daniel 2182: if (len >= XML_MAX_NAMELEN) {
2183: fprintf(stderr,
2184: "xmlNamespaceParseNCName: reached XML_MAX_NAMELEN limit\n");
2185: while ((IS_LETTER(CUR)) || (IS_DIGIT(CUR)) ||
2186: (CUR == '.') || (CUR == '-') ||
2187: (CUR == '_') ||
2188: (IS_COMBINING(CUR)) ||
2189: (IS_EXTENDER(CUR)))
2190: NEXT;
2191: break;
2192: }
2193: }
2194: return(xmlStrndup(buf, len));
1.28 daniel 2195: }
2196:
1.50 daniel 2197: /**
2198: * xmlNamespaceParseQName:
2199: * @ctxt: an XML parser context
1.123 daniel 2200: * @prefix: a xmlChar **
1.50 daniel 2201: *
2202: * parse an XML qualified name
1.28 daniel 2203: *
2204: * [NS 5] QName ::= (Prefix ':')? LocalPart
2205: *
2206: * [NS 6] Prefix ::= NCName
2207: *
2208: * [NS 7] LocalPart ::= NCName
1.68 daniel 2209: *
1.127 daniel 2210: * Returns the local part, and prefix is updated
1.50 daniel 2211: * to get the Prefix if any.
1.28 daniel 2212: */
2213:
1.123 daniel 2214: xmlChar *
2215: xmlNamespaceParseQName(xmlParserCtxtPtr ctxt, xmlChar **prefix) {
2216: xmlChar *ret = NULL;
1.28 daniel 2217:
2218: *prefix = NULL;
2219: ret = xmlNamespaceParseNCName(ctxt);
1.40 daniel 2220: if (CUR == ':') {
1.28 daniel 2221: *prefix = ret;
1.40 daniel 2222: NEXT;
1.28 daniel 2223: ret = xmlNamespaceParseNCName(ctxt);
2224: }
2225:
2226: return(ret);
2227: }
2228:
1.50 daniel 2229: /**
1.72 daniel 2230: * xmlSplitQName:
2231: * @name: an XML parser context
1.123 daniel 2232: * @prefix: a xmlChar **
1.72 daniel 2233: *
2234: * parse an XML qualified name string
2235: *
2236: * [NS 5] QName ::= (Prefix ':')? LocalPart
2237: *
2238: * [NS 6] Prefix ::= NCName
2239: *
2240: * [NS 7] LocalPart ::= NCName
2241: *
1.127 daniel 2242: * Returns the local part, and prefix is updated
1.72 daniel 2243: * to get the Prefix if any.
2244: */
2245:
1.123 daniel 2246: xmlChar *
2247: xmlSplitQName(const xmlChar *name, xmlChar **prefix) {
2248: xmlChar *ret = NULL;
2249: const xmlChar *q;
2250: const xmlChar *cur = name;
1.72 daniel 2251:
2252: *prefix = NULL;
1.113 daniel 2253:
2254: /* xml: prefix is not really a namespace */
2255: if ((cur[0] == 'x') && (cur[1] == 'm') &&
2256: (cur[2] == 'l') && (cur[3] == ':'))
2257: return(xmlStrdup(name));
2258:
1.72 daniel 2259: if (!IS_LETTER(*cur) && (*cur != '_')) return(NULL);
2260: q = cur++;
2261:
2262: while ((IS_LETTER(*cur)) || (IS_DIGIT(*cur)) ||
2263: (*cur == '.') || (*cur == '-') ||
2264: (*cur == '_') ||
2265: (IS_COMBINING(*cur)) ||
2266: (IS_EXTENDER(*cur)))
2267: cur++;
2268:
2269: ret = xmlStrndup(q, cur - q);
2270:
2271: if (*cur == ':') {
2272: cur++;
2273: if (!IS_LETTER(*cur) && (*cur != '_')) return(ret);
2274: *prefix = ret;
2275:
2276: q = cur++;
2277:
2278: while ((IS_LETTER(*cur)) || (IS_DIGIT(*cur)) ||
2279: (*cur == '.') || (*cur == '-') ||
2280: (*cur == '_') ||
2281: (IS_COMBINING(*cur)) ||
2282: (IS_EXTENDER(*cur)))
2283: cur++;
2284:
2285: ret = xmlStrndup(q, cur - q);
2286: }
2287:
2288: return(ret);
2289: }
2290: /**
1.50 daniel 2291: * xmlNamespaceParseNSDef:
2292: * @ctxt: an XML parser context
2293: *
2294: * parse a namespace prefix declaration
1.28 daniel 2295: *
2296: * [NS 1] NSDef ::= PrefixDef Eq SystemLiteral
2297: *
2298: * [NS 2] PrefixDef ::= 'xmlns' (':' NCName)?
1.68 daniel 2299: *
2300: * Returns the namespace name
1.28 daniel 2301: */
2302:
1.123 daniel 2303: xmlChar *
1.55 daniel 2304: xmlNamespaceParseNSDef(xmlParserCtxtPtr ctxt) {
1.123 daniel 2305: xmlChar *name = NULL;
1.28 daniel 2306:
1.40 daniel 2307: if ((CUR == 'x') && (NXT(1) == 'm') &&
2308: (NXT(2) == 'l') && (NXT(3) == 'n') &&
2309: (NXT(4) == 's')) {
2310: SKIP(5);
2311: if (CUR == ':') {
2312: NEXT;
1.28 daniel 2313: name = xmlNamespaceParseNCName(ctxt);
2314: }
2315: }
1.39 daniel 2316: return(name);
1.28 daniel 2317: }
2318:
1.50 daniel 2319: /**
2320: * xmlParseQuotedString:
2321: * @ctxt: an XML parser context
2322: *
1.45 daniel 2323: * [OLD] Parse and return a string between quotes or doublequotes
1.110 daniel 2324: * To be removed at next drop of binary compatibility
1.68 daniel 2325: *
2326: * Returns the string parser or NULL.
1.45 daniel 2327: */
1.123 daniel 2328: xmlChar *
1.55 daniel 2329: xmlParseQuotedString(xmlParserCtxtPtr ctxt) {
1.135 daniel 2330: xmlChar *buf = NULL;
2331: int len = 0;
1.140 daniel 2332: int size = XML_PARSER_BUFFER_SIZE;
1.135 daniel 2333: xmlChar c;
1.45 daniel 2334:
1.135 daniel 2335: buf = (xmlChar *) xmlMalloc(size * sizeof(xmlChar));
2336: if (buf == NULL) {
2337: fprintf(stderr, "malloc of %d byte failed\n", size);
2338: return(NULL);
2339: }
1.45 daniel 2340: if (CUR == '"') {
2341: NEXT;
1.135 daniel 2342: c = CUR;
2343: while (IS_CHAR(c) && (c != '"')) {
2344: if (len + 1 >= size) {
2345: size *= 2;
2346: buf = xmlRealloc(buf, size * sizeof(xmlChar));
2347: if (buf == NULL) {
2348: fprintf(stderr, "realloc of %d byte failed\n", size);
2349: return(NULL);
2350: }
2351: }
2352: buf[len++] = c;
2353: NEXT;
2354: c = CUR;
2355: }
2356: if (c != '"') {
1.123 daniel 2357: ctxt->errNo = XML_ERR_STRING_NOT_CLOSED;
1.55 daniel 2358: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1.135 daniel 2359: ctxt->sax->error(ctxt->userData,
2360: "String not closed \"%.50s\"\n", buf);
1.59 daniel 2361: ctxt->wellFormed = 0;
1.55 daniel 2362: } else {
1.45 daniel 2363: NEXT;
2364: }
2365: } else if (CUR == '\''){
2366: NEXT;
1.135 daniel 2367: c = CUR;
2368: while (IS_CHAR(c) && (c != '\'')) {
2369: if (len + 1 >= size) {
2370: size *= 2;
2371: buf = xmlRealloc(buf, size * sizeof(xmlChar));
2372: if (buf == NULL) {
2373: fprintf(stderr, "realloc of %d byte failed\n", size);
2374: return(NULL);
2375: }
2376: }
2377: buf[len++] = c;
2378: NEXT;
2379: c = CUR;
2380: }
1.55 daniel 2381: if (CUR != '\'') {
1.123 daniel 2382: ctxt->errNo = XML_ERR_STRING_NOT_CLOSED;
1.55 daniel 2383: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1.135 daniel 2384: ctxt->sax->error(ctxt->userData,
2385: "String not closed \"%.50s\"\n", buf);
1.59 daniel 2386: ctxt->wellFormed = 0;
1.55 daniel 2387: } else {
1.45 daniel 2388: NEXT;
2389: }
2390: }
1.135 daniel 2391: return(buf);
1.45 daniel 2392: }
2393:
1.50 daniel 2394: /**
2395: * xmlParseNamespace:
2396: * @ctxt: an XML parser context
2397: *
1.45 daniel 2398: * [OLD] xmlParseNamespace: parse specific PI '<?namespace ...' constructs.
2399: *
2400: * This is what the older xml-name Working Draft specified, a bunch of
2401: * other stuff may still rely on it, so support is still here as
1.127 daniel 2402: * if it was declared on the root of the Tree:-(
1.110 daniel 2403: *
2404: * To be removed at next drop of binary compatibility
1.45 daniel 2405: */
2406:
1.55 daniel 2407: void
2408: xmlParseNamespace(xmlParserCtxtPtr ctxt) {
1.123 daniel 2409: xmlChar *href = NULL;
2410: xmlChar *prefix = NULL;
1.45 daniel 2411: int garbage = 0;
2412:
2413: /*
2414: * We just skipped "namespace" or "xml:namespace"
2415: */
2416: SKIP_BLANKS;
2417:
2418: while (IS_CHAR(CUR) && (CUR != '>')) {
2419: /*
2420: * We can have "ns" or "prefix" attributes
2421: * Old encoding as 'href' or 'AS' attributes is still supported
2422: */
2423: if ((CUR == 'n') && (NXT(1) == 's')) {
2424: garbage = 0;
2425: SKIP(2);
2426: SKIP_BLANKS;
2427:
2428: if (CUR != '=') continue;
2429: NEXT;
2430: SKIP_BLANKS;
2431:
2432: href = xmlParseQuotedString(ctxt);
2433: SKIP_BLANKS;
2434: } else if ((CUR == 'h') && (NXT(1) == 'r') &&
2435: (NXT(2) == 'e') && (NXT(3) == 'f')) {
2436: garbage = 0;
2437: SKIP(4);
2438: SKIP_BLANKS;
2439:
2440: if (CUR != '=') continue;
2441: NEXT;
2442: SKIP_BLANKS;
2443:
2444: href = xmlParseQuotedString(ctxt);
2445: SKIP_BLANKS;
2446: } else if ((CUR == 'p') && (NXT(1) == 'r') &&
2447: (NXT(2) == 'e') && (NXT(3) == 'f') &&
2448: (NXT(4) == 'i') && (NXT(5) == 'x')) {
2449: garbage = 0;
2450: SKIP(6);
2451: SKIP_BLANKS;
2452:
2453: if (CUR != '=') continue;
2454: NEXT;
2455: SKIP_BLANKS;
2456:
2457: prefix = xmlParseQuotedString(ctxt);
2458: SKIP_BLANKS;
2459: } else if ((CUR == 'A') && (NXT(1) == 'S')) {
2460: garbage = 0;
2461: SKIP(2);
2462: SKIP_BLANKS;
2463:
2464: if (CUR != '=') continue;
2465: NEXT;
2466: SKIP_BLANKS;
2467:
2468: prefix = xmlParseQuotedString(ctxt);
2469: SKIP_BLANKS;
2470: } else if ((CUR == '?') && (NXT(1) == '>')) {
2471: garbage = 0;
1.91 daniel 2472: NEXT;
1.45 daniel 2473: } else {
2474: /*
2475: * Found garbage when parsing the namespace
2476: */
1.122 daniel 2477: if (!garbage) {
1.55 daniel 2478: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1.122 daniel 2479: ctxt->sax->error(ctxt->userData,
2480: "xmlParseNamespace found garbage\n");
2481: }
1.123 daniel 2482: ctxt->errNo = XML_ERR_NS_DECL_ERROR;
1.59 daniel 2483: ctxt->wellFormed = 0;
1.45 daniel 2484: NEXT;
2485: }
2486: }
2487:
2488: MOVETO_ENDTAG(CUR_PTR);
2489: NEXT;
2490:
2491: /*
2492: * Register the DTD.
1.72 daniel 2493: if (href != NULL)
2494: if ((ctxt->sax != NULL) && (ctxt->sax->globalNamespace != NULL))
1.74 daniel 2495: ctxt->sax->globalNamespace(ctxt->userData, href, prefix);
1.45 daniel 2496: */
2497:
1.119 daniel 2498: if (prefix != NULL) xmlFree(prefix);
2499: if (href != NULL) xmlFree(href);
1.45 daniel 2500: }
2501:
1.28 daniel 2502: /************************************************************************
2503: * *
2504: * The parser itself *
2505: * Relates to http://www.w3.org/TR/REC-xml *
2506: * *
2507: ************************************************************************/
1.14 veillard 2508:
1.50 daniel 2509: /**
1.97 daniel 2510: * xmlScanName:
2511: * @ctxt: an XML parser context
2512: *
2513: * Trickery: parse an XML name but without consuming the input flow
2514: * Needed for rollback cases.
2515: *
2516: * [4] NameChar ::= Letter | Digit | '.' | '-' | '_' | ':' |
2517: * CombiningChar | Extender
2518: *
2519: * [5] Name ::= (Letter | '_' | ':') (NameChar)*
2520: *
2521: * [6] Names ::= Name (S Name)*
2522: *
2523: * Returns the Name parsed or NULL
2524: */
2525:
1.123 daniel 2526: xmlChar *
1.97 daniel 2527: xmlScanName(xmlParserCtxtPtr ctxt) {
1.123 daniel 2528: xmlChar buf[XML_MAX_NAMELEN];
1.97 daniel 2529: int len = 0;
2530:
2531: GROW;
2532: if (!IS_LETTER(CUR) && (CUR != '_') &&
2533: (CUR != ':')) {
2534: return(NULL);
2535: }
2536:
2537: while ((IS_LETTER(NXT(len))) || (IS_DIGIT(NXT(len))) ||
2538: (NXT(len) == '.') || (NXT(len) == '-') ||
2539: (NXT(len) == '_') || (NXT(len) == ':') ||
2540: (IS_COMBINING(NXT(len))) ||
2541: (IS_EXTENDER(NXT(len)))) {
2542: buf[len] = NXT(len);
2543: len++;
2544: if (len >= XML_MAX_NAMELEN) {
2545: fprintf(stderr,
2546: "xmlScanName: reached XML_MAX_NAMELEN limit\n");
2547: while ((IS_LETTER(NXT(len))) || (IS_DIGIT(NXT(len))) ||
2548: (NXT(len) == '.') || (NXT(len) == '-') ||
2549: (NXT(len) == '_') || (NXT(len) == ':') ||
2550: (IS_COMBINING(NXT(len))) ||
2551: (IS_EXTENDER(NXT(len))))
2552: len++;
2553: break;
2554: }
2555: }
2556: return(xmlStrndup(buf, len));
2557: }
2558:
2559: /**
1.50 daniel 2560: * xmlParseName:
2561: * @ctxt: an XML parser context
2562: *
2563: * parse an XML name.
1.22 daniel 2564: *
2565: * [4] NameChar ::= Letter | Digit | '.' | '-' | '_' | ':' |
2566: * CombiningChar | Extender
2567: *
2568: * [5] Name ::= (Letter | '_' | ':') (NameChar)*
2569: *
2570: * [6] Names ::= Name (S Name)*
1.68 daniel 2571: *
2572: * Returns the Name parsed or NULL
1.1 veillard 2573: */
2574:
1.123 daniel 2575: xmlChar *
1.55 daniel 2576: xmlParseName(xmlParserCtxtPtr ctxt) {
1.123 daniel 2577: xmlChar buf[XML_MAX_NAMELEN];
1.91 daniel 2578: int len = 0;
1.123 daniel 2579: xmlChar cur;
1.1 veillard 2580:
1.91 daniel 2581: GROW;
1.97 daniel 2582: cur = CUR;
2583: if (!IS_LETTER(cur) && (cur != '_') &&
2584: (cur != ':')) {
1.91 daniel 2585: return(NULL);
2586: }
1.40 daniel 2587:
1.97 daniel 2588: while ((IS_LETTER(cur)) || (IS_DIGIT(cur)) ||
2589: (cur == '.') || (cur == '-') ||
2590: (cur == '_') || (cur == ':') ||
2591: (IS_COMBINING(cur)) ||
2592: (IS_EXTENDER(cur))) {
2593: buf[len++] = cur;
1.40 daniel 2594: NEXT;
1.97 daniel 2595: cur = CUR;
1.91 daniel 2596: if (len >= XML_MAX_NAMELEN) {
2597: fprintf(stderr,
2598: "xmlParseName: reached XML_MAX_NAMELEN limit\n");
1.97 daniel 2599: while ((IS_LETTER(cur)) || (IS_DIGIT(cur)) ||
2600: (cur == '.') || (cur == '-') ||
2601: (cur == '_') || (cur == ':') ||
2602: (IS_COMBINING(cur)) ||
2603: (IS_EXTENDER(cur))) {
2604: NEXT;
2605: cur = CUR;
2606: }
1.91 daniel 2607: break;
2608: }
2609: }
2610: return(xmlStrndup(buf, len));
1.22 daniel 2611: }
2612:
1.50 daniel 2613: /**
1.135 daniel 2614: * xmlParseStringName:
2615: * @ctxt: an XML parser context
2616: * @str: a pointer to an index in the string
2617: *
2618: * parse an XML name.
2619: *
2620: * [4] NameChar ::= Letter | Digit | '.' | '-' | '_' | ':' |
2621: * CombiningChar | Extender
2622: *
2623: * [5] Name ::= (Letter | '_' | ':') (NameChar)*
2624: *
2625: * [6] Names ::= Name (S Name)*
2626: *
2627: * Returns the Name parsed or NULL. The str pointer
2628: * is updated to the current location in the string.
2629: */
2630:
2631: xmlChar *
2632: xmlParseStringName(xmlParserCtxtPtr ctxt, const xmlChar** str) {
2633: const xmlChar *ptr;
2634: const xmlChar *start;
2635: xmlChar cur;
2636:
2637: if ((str == NULL) || (*str == NULL)) return(NULL);
2638:
2639: start = ptr = *str;
2640: cur = *ptr;
2641: if (!IS_LETTER(cur) && (cur != '_') &&
2642: (cur != ':')) {
2643: return(NULL);
2644: }
2645:
2646: while ((IS_LETTER(cur)) || (IS_DIGIT(cur)) ||
2647: (cur == '.') || (cur == '-') ||
2648: (cur == '_') || (cur == ':') ||
2649: (IS_COMBINING(cur)) ||
2650: (IS_EXTENDER(cur))) {
2651: ptr++;
2652: cur = *ptr;
2653: }
2654: *str = ptr;
2655: return(xmlStrndup(start, ptr - start ));
2656: }
2657:
2658: /**
1.50 daniel 2659: * xmlParseNmtoken:
2660: * @ctxt: an XML parser context
2661: *
2662: * parse an XML Nmtoken.
1.22 daniel 2663: *
2664: * [7] Nmtoken ::= (NameChar)+
2665: *
2666: * [8] Nmtokens ::= Nmtoken (S Nmtoken)*
1.68 daniel 2667: *
2668: * Returns the Nmtoken parsed or NULL
1.22 daniel 2669: */
2670:
1.123 daniel 2671: xmlChar *
1.55 daniel 2672: xmlParseNmtoken(xmlParserCtxtPtr ctxt) {
1.123 daniel 2673: xmlChar buf[XML_MAX_NAMELEN];
1.91 daniel 2674: int len = 0;
1.22 daniel 2675:
1.91 daniel 2676: GROW;
1.40 daniel 2677: while ((IS_LETTER(CUR)) || (IS_DIGIT(CUR)) ||
2678: (CUR == '.') || (CUR == '-') ||
2679: (CUR == '_') || (CUR == ':') ||
2680: (IS_COMBINING(CUR)) ||
1.91 daniel 2681: (IS_EXTENDER(CUR))) {
2682: buf[len++] = CUR;
1.40 daniel 2683: NEXT;
1.91 daniel 2684: if (len >= XML_MAX_NAMELEN) {
2685: fprintf(stderr,
2686: "xmlParseNmtoken: reached XML_MAX_NAMELEN limit\n");
2687: while ((IS_LETTER(CUR)) || (IS_DIGIT(CUR)) ||
2688: (CUR == '.') || (CUR == '-') ||
2689: (CUR == '_') || (CUR == ':') ||
2690: (IS_COMBINING(CUR)) ||
2691: (IS_EXTENDER(CUR)))
2692: NEXT;
2693: break;
2694: }
2695: }
2696: return(xmlStrndup(buf, len));
1.1 veillard 2697: }
2698:
1.50 daniel 2699: /**
2700: * xmlParseEntityValue:
2701: * @ctxt: an XML parser context
1.78 daniel 2702: * @orig: if non-NULL store a copy of the original entity value
1.50 daniel 2703: *
2704: * parse a value for ENTITY decl.
1.24 daniel 2705: *
2706: * [9] EntityValue ::= '"' ([^%&"] | PEReference | Reference)* '"' |
2707: * "'" ([^%&'] | PEReference | Reference)* "'"
1.68 daniel 2708: *
1.78 daniel 2709: * Returns the EntityValue parsed with reference substitued or NULL
1.24 daniel 2710: */
2711:
1.123 daniel 2712: xmlChar *
2713: xmlParseEntityValue(xmlParserCtxtPtr ctxt, xmlChar **orig) {
1.135 daniel 2714: xmlChar *buf = NULL;
2715: int len = 0;
1.140 daniel 2716: int size = XML_PARSER_BUFFER_SIZE;
1.135 daniel 2717: xmlChar c;
2718: xmlChar stop;
1.123 daniel 2719: xmlChar *ret = NULL;
1.98 daniel 2720: xmlParserInputPtr input;
1.24 daniel 2721:
1.135 daniel 2722: if (CUR == '"') stop = '"';
2723: else if (CUR == '\'') stop = '\'';
2724: else {
2725: ctxt->errNo = XML_ERR_ENTITY_NOT_STARTED;
2726: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
2727: ctxt->sax->error(ctxt->userData, "EntityValue: \" or ' expected\n");
2728: ctxt->wellFormed = 0;
2729: return(NULL);
2730: }
2731: buf = (xmlChar *) xmlMalloc(size * sizeof(xmlChar));
2732: if (buf == NULL) {
2733: fprintf(stderr, "malloc of %d byte failed\n", size);
2734: return(NULL);
2735: }
1.94 daniel 2736:
1.135 daniel 2737: /*
2738: * The content of the entity definition is copied in a buffer.
2739: */
1.94 daniel 2740:
1.135 daniel 2741: ctxt->instate = XML_PARSER_ENTITY_VALUE;
2742: input = ctxt->input;
2743: GROW;
2744: NEXT;
2745: c = CUR;
2746: /*
2747: * NOTE: 4.4.5 Included in Literal
2748: * When a parameter entity reference appears in a literal entity
2749: * value, ... a single or double quote character in the replacement
2750: * text is always treated as a normal data character and will not
2751: * terminate the literal.
2752: * In practice it means we stop the loop only when back at parsing
2753: * the initial entity and the quote is found
2754: */
2755: while (IS_CHAR(c) && ((c != stop) || (ctxt->input != input))) {
2756: if (len + 1 >= size) {
2757: size *= 2;
2758: buf = xmlRealloc(buf, size * sizeof(xmlChar));
2759: if (buf == NULL) {
2760: fprintf(stderr, "realloc of %d byte failed\n", size);
2761: return(NULL);
1.94 daniel 2762: }
1.79 daniel 2763: }
1.135 daniel 2764: buf[len++] = c;
2765: NEXT;
1.98 daniel 2766: /*
1.135 daniel 2767: * Pop-up of finished entities.
1.98 daniel 2768: */
1.135 daniel 2769: while ((CUR == 0) && (ctxt->inputNr > 1))
2770: xmlPopInput(ctxt);
2771: c = CUR;
2772: if (c == 0) {
1.94 daniel 2773: GROW;
1.135 daniel 2774: c = CUR;
1.79 daniel 2775: }
1.135 daniel 2776: }
2777: buf[len] = 0;
2778:
2779: /*
2780: * Then PEReference entities are substituted.
2781: */
2782: if (c != stop) {
2783: ctxt->errNo = XML_ERR_ENTITY_NOT_FINISHED;
1.55 daniel 2784: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1.135 daniel 2785: ctxt->sax->error(ctxt->userData, "EntityValue: \" expected\n");
1.59 daniel 2786: ctxt->wellFormed = 0;
1.135 daniel 2787: } else {
2788: NEXT;
2789: /*
2790: * NOTE: 4.4.7 Bypassed
2791: * When a general entity reference appears in the EntityValue in
2792: * an entity declaration, it is bypassed and left as is.
2793: * so XML_SUBSTITUTE_REF is not set.
2794: */
2795: ret = xmlStringDecodeEntities(ctxt, buf, XML_SUBSTITUTE_PEREF,
2796: 0, 0, 0);
2797: if (orig != NULL)
2798: *orig = buf;
2799: else
2800: xmlFree(buf);
1.24 daniel 2801: }
2802:
2803: return(ret);
2804: }
2805:
1.50 daniel 2806: /**
2807: * xmlParseAttValue:
2808: * @ctxt: an XML parser context
2809: *
2810: * parse a value for an attribute
1.78 daniel 2811: * Note: the parser won't do substitution of entities here, this
1.113 daniel 2812: * will be handled later in xmlStringGetNodeList
1.29 daniel 2813: *
2814: * [10] AttValue ::= '"' ([^<&"] | Reference)* '"' |
2815: * "'" ([^<&'] | Reference)* "'"
1.68 daniel 2816: *
1.129 daniel 2817: * 3.3.3 Attribute-Value Normalization:
2818: * Before the value of an attribute is passed to the application or
2819: * checked for validity, the XML processor must normalize it as follows:
2820: * - a character reference is processed by appending the referenced
2821: * character to the attribute value
2822: * - an entity reference is processed by recursively processing the
2823: * replacement text of the entity
2824: * - a whitespace character (#x20, #xD, #xA, #x9) is processed by
2825: * appending #x20 to the normalized value, except that only a single
2826: * #x20 is appended for a "#xD#xA" sequence that is part of an external
2827: * parsed entity or the literal entity value of an internal parsed entity
2828: * - other characters are processed by appending them to the normalized value
1.130 daniel 2829: * If the declared value is not CDATA, then the XML processor must further
2830: * process the normalized attribute value by discarding any leading and
2831: * trailing space (#x20) characters, and by replacing sequences of space
2832: * (#x20) characters by a single space (#x20) character.
2833: * All attributes for which no declaration has been read should be treated
2834: * by a non-validating parser as if declared CDATA.
1.129 daniel 2835: *
2836: * Returns the AttValue parsed or NULL. The value has to be freed by the caller.
1.29 daniel 2837: */
2838:
1.123 daniel 2839: xmlChar *
1.55 daniel 2840: xmlParseAttValue(xmlParserCtxtPtr ctxt) {
1.129 daniel 2841: xmlChar limit = 0;
2842: xmlChar *buffer = NULL;
2843: int buffer_size = 0;
2844: xmlChar *out = NULL;
2845:
2846: xmlChar *current = NULL;
2847: xmlEntityPtr ent;
2848: xmlChar cur;
2849:
1.29 daniel 2850:
1.91 daniel 2851: SHRINK;
1.40 daniel 2852: if (CUR == '"') {
1.96 daniel 2853: ctxt->instate = XML_PARSER_ATTRIBUTE_VALUE;
1.129 daniel 2854: limit = '"';
1.40 daniel 2855: NEXT;
2856: } else if (CUR == '\'') {
1.129 daniel 2857: limit = '\'';
1.96 daniel 2858: ctxt->instate = XML_PARSER_ATTRIBUTE_VALUE;
1.40 daniel 2859: NEXT;
1.29 daniel 2860: } else {
1.123 daniel 2861: ctxt->errNo = XML_ERR_ATTRIBUTE_NOT_STARTED;
1.55 daniel 2862: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1.74 daniel 2863: ctxt->sax->error(ctxt->userData, "AttValue: \" or ' expected\n");
1.59 daniel 2864: ctxt->wellFormed = 0;
1.129 daniel 2865: return(NULL);
1.29 daniel 2866: }
2867:
1.129 daniel 2868: /*
2869: * allocate a translation buffer.
2870: */
1.140 daniel 2871: buffer_size = XML_PARSER_BUFFER_SIZE;
1.129 daniel 2872: buffer = (xmlChar *) xmlMalloc(buffer_size * sizeof(xmlChar));
2873: if (buffer == NULL) {
2874: perror("xmlParseAttValue: malloc failed");
2875: return(NULL);
2876: }
2877: out = buffer;
2878:
2879: /*
2880: * Ok loop until we reach one of the ending char or a size limit.
2881: */
2882: cur = CUR;
2883: while ((cur != limit) && (cur != '<')) {
2884: if (cur == 0) break;
2885: if ((cur == '&') && (NXT(1) == '#')) {
2886: int val = xmlParseCharRef(ctxt);
2887: *out++ = val;
2888: } else if (cur == '&') {
2889: ent = xmlParseEntityRef(ctxt);
2890: if ((ent != NULL) &&
2891: (ctxt->replaceEntities != 0)) {
2892: current = ent->content;
2893: while (*current != 0) {
2894: *out++ = *current++;
2895: if (out - buffer > buffer_size - 10) {
2896: int index = out - buffer;
2897:
2898: growBuffer(buffer);
2899: out = &buffer[index];
2900: }
2901: }
2902: } else if (ent != NULL) {
2903: int i = xmlStrlen(ent->name);
2904: const xmlChar *cur = ent->name;
2905:
2906: *out++ = '&';
2907: if (out - buffer > buffer_size - i - 10) {
2908: int index = out - buffer;
2909:
2910: growBuffer(buffer);
2911: out = &buffer[index];
2912: }
2913: for (;i > 0;i--)
2914: *out++ = *cur++;
2915: *out++ = ';';
2916: }
2917: } else {
2918: /* invalid for UTF-8 , use COPY(out); !!!!!! */
2919: if ((cur == 0x20) || (cur == 0xD) || (cur == 0xA) || (cur == 0x9)) {
1.130 daniel 2920: *out++ = 0x20;
2921: if (out - buffer > buffer_size - 10) {
2922: int index = out - buffer;
2923:
2924: growBuffer(buffer);
2925: out = &buffer[index];
1.129 daniel 2926: }
2927: } else {
2928: *out++ = cur;
2929: if (out - buffer > buffer_size - 10) {
2930: int index = out - buffer;
2931:
2932: growBuffer(buffer);
2933: out = &buffer[index];
2934: }
2935: }
2936: NEXT;
2937: }
2938: cur = CUR;
2939: }
2940: *out++ = 0;
2941: if (CUR == '<') {
2942: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
2943: ctxt->sax->error(ctxt->userData,
2944: "Unescaped '<' not allowed in attributes values\n");
2945: ctxt->errNo = XML_ERR_LT_IN_ATTRIBUTE;
2946: ctxt->wellFormed = 0;
2947: } else if (CUR != limit) {
2948: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
2949: ctxt->sax->error(ctxt->userData, "AttValue: ' expected\n");
2950: ctxt->errNo = XML_ERR_ATTRIBUTE_NOT_FINISHED;
2951: ctxt->wellFormed = 0;
2952: } else
2953: NEXT;
2954: return(buffer);
1.29 daniel 2955: }
2956:
1.50 daniel 2957: /**
2958: * xmlParseSystemLiteral:
2959: * @ctxt: an XML parser context
2960: *
2961: * parse an XML Literal
1.21 daniel 2962: *
1.22 daniel 2963: * [11] SystemLiteral ::= ('"' [^"]* '"') | ("'" [^']* "'")
1.68 daniel 2964: *
2965: * Returns the SystemLiteral parsed or NULL
1.21 daniel 2966: */
2967:
1.123 daniel 2968: xmlChar *
1.55 daniel 2969: xmlParseSystemLiteral(xmlParserCtxtPtr ctxt) {
1.135 daniel 2970: xmlChar *buf = NULL;
2971: int len = 0;
1.140 daniel 2972: int size = XML_PARSER_BUFFER_SIZE;
1.135 daniel 2973: xmlChar cur;
2974: xmlChar stop;
1.21 daniel 2975:
1.91 daniel 2976: SHRINK;
1.40 daniel 2977: if (CUR == '"') {
2978: NEXT;
1.135 daniel 2979: stop = '"';
1.40 daniel 2980: } else if (CUR == '\'') {
2981: NEXT;
1.135 daniel 2982: stop = '\'';
1.21 daniel 2983: } else {
1.55 daniel 2984: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1.122 daniel 2985: ctxt->sax->error(ctxt->userData,
2986: "SystemLiteral \" or ' expected\n");
1.123 daniel 2987: ctxt->errNo = XML_ERR_LITERAL_NOT_STARTED;
1.59 daniel 2988: ctxt->wellFormed = 0;
1.135 daniel 2989: return(NULL);
1.21 daniel 2990: }
2991:
1.135 daniel 2992: buf = (xmlChar *) xmlMalloc(size * sizeof(xmlChar));
2993: if (buf == NULL) {
2994: fprintf(stderr, "malloc of %d byte failed\n", size);
2995: return(NULL);
2996: }
2997: cur = CUR;
2998: while ((IS_CHAR(cur)) && (cur != stop)) {
2999: if (len + 1 >= size) {
3000: size *= 2;
3001: buf = xmlRealloc(buf, size * sizeof(xmlChar));
3002: if (buf == NULL) {
3003: fprintf(stderr, "realloc of %d byte failed\n", size);
3004: return(NULL);
3005: }
3006: }
3007: buf[len++] = cur;
3008: NEXT;
3009: cur = CUR;
3010: if (cur == 0) {
3011: GROW;
3012: SHRINK;
3013: cur = CUR;
3014: }
3015: }
3016: buf[len] = 0;
3017: if (!IS_CHAR(cur)) {
3018: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
3019: ctxt->sax->error(ctxt->userData, "Unfinished SystemLiteral\n");
3020: ctxt->errNo = XML_ERR_LITERAL_NOT_FINISHED;
3021: ctxt->wellFormed = 0;
3022: } else {
3023: NEXT;
3024: }
3025: return(buf);
1.21 daniel 3026: }
3027:
1.50 daniel 3028: /**
3029: * xmlParsePubidLiteral:
3030: * @ctxt: an XML parser context
1.21 daniel 3031: *
1.50 daniel 3032: * parse an XML public literal
1.68 daniel 3033: *
3034: * [12] PubidLiteral ::= '"' PubidChar* '"' | "'" (PubidChar - "'")* "'"
3035: *
3036: * Returns the PubidLiteral parsed or NULL.
1.21 daniel 3037: */
3038:
1.123 daniel 3039: xmlChar *
1.55 daniel 3040: xmlParsePubidLiteral(xmlParserCtxtPtr ctxt) {
1.135 daniel 3041: xmlChar *buf = NULL;
3042: int len = 0;
1.140 daniel 3043: int size = XML_PARSER_BUFFER_SIZE;
1.135 daniel 3044: xmlChar cur;
3045: xmlChar stop;
1.125 daniel 3046:
1.91 daniel 3047: SHRINK;
1.40 daniel 3048: if (CUR == '"') {
3049: NEXT;
1.135 daniel 3050: stop = '"';
1.40 daniel 3051: } else if (CUR == '\'') {
3052: NEXT;
1.135 daniel 3053: stop = '\'';
1.21 daniel 3054: } else {
1.55 daniel 3055: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1.122 daniel 3056: ctxt->sax->error(ctxt->userData,
3057: "SystemLiteral \" or ' expected\n");
1.123 daniel 3058: ctxt->errNo = XML_ERR_LITERAL_NOT_STARTED;
1.59 daniel 3059: ctxt->wellFormed = 0;
1.135 daniel 3060: return(NULL);
3061: }
3062: buf = (xmlChar *) xmlMalloc(size * sizeof(xmlChar));
3063: if (buf == NULL) {
3064: fprintf(stderr, "malloc of %d byte failed\n", size);
3065: return(NULL);
3066: }
3067: cur = CUR;
3068: while ((IS_PUBIDCHAR(cur)) && (cur != stop)) {
3069: if (len + 1 >= size) {
3070: size *= 2;
3071: buf = xmlRealloc(buf, size * sizeof(xmlChar));
3072: if (buf == NULL) {
3073: fprintf(stderr, "realloc of %d byte failed\n", size);
3074: return(NULL);
3075: }
3076: }
3077: buf[len++] = cur;
3078: NEXT;
3079: cur = CUR;
3080: if (cur == 0) {
3081: GROW;
3082: SHRINK;
3083: cur = CUR;
3084: }
3085: }
3086: buf[len] = 0;
3087: if (cur != stop) {
3088: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
3089: ctxt->sax->error(ctxt->userData, "Unfinished PubidLiteral\n");
3090: ctxt->errNo = XML_ERR_LITERAL_NOT_FINISHED;
3091: ctxt->wellFormed = 0;
3092: } else {
3093: NEXT;
1.21 daniel 3094: }
1.135 daniel 3095: return(buf);
1.21 daniel 3096: }
3097:
1.50 daniel 3098: /**
3099: * xmlParseCharData:
3100: * @ctxt: an XML parser context
3101: * @cdata: int indicating whether we are within a CDATA section
3102: *
3103: * parse a CharData section.
3104: * if we are within a CDATA section ']]>' marks an end of section.
1.27 daniel 3105: *
3106: * [14] CharData ::= [^<&]* - ([^<&]* ']]>' [^<&]*)
3107: */
3108:
1.55 daniel 3109: void
3110: xmlParseCharData(xmlParserCtxtPtr ctxt, int cdata) {
1.140 daniel 3111: xmlChar buf[XML_PARSER_BIG_BUFFER_SIZE];
1.91 daniel 3112: int nbchar = 0;
1.123 daniel 3113: xmlChar cur;
1.27 daniel 3114:
1.91 daniel 3115: SHRINK;
1.97 daniel 3116: cur = CUR;
3117: while ((IS_CHAR(cur)) && (cur != '<') &&
3118: (cur != '&')) {
3119: if ((cur == ']') && (NXT(1) == ']') &&
1.59 daniel 3120: (NXT(2) == '>')) {
3121: if (cdata) break;
3122: else {
3123: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1.140 daniel 3124: ctxt->sax->warning(ctxt->userData,
1.59 daniel 3125: "Sequence ']]>' not allowed in content\n");
1.123 daniel 3126: ctxt->errNo = XML_ERR_MISPLACED_CDATA_END;
1.59 daniel 3127: }
3128: }
1.91 daniel 3129: buf[nbchar++] = CUR;
1.140 daniel 3130: if (nbchar == XML_PARSER_BIG_BUFFER_SIZE) {
1.91 daniel 3131: /*
3132: * Ok the segment is to be consumed as chars.
3133: */
3134: if (ctxt->sax != NULL) {
3135: if (areBlanks(ctxt, buf, nbchar)) {
3136: if (ctxt->sax->ignorableWhitespace != NULL)
3137: ctxt->sax->ignorableWhitespace(ctxt->userData,
3138: buf, nbchar);
3139: } else {
3140: if (ctxt->sax->characters != NULL)
3141: ctxt->sax->characters(ctxt->userData, buf, nbchar);
3142: }
3143: }
3144: nbchar = 0;
3145: }
1.40 daniel 3146: NEXT;
1.97 daniel 3147: cur = CUR;
1.27 daniel 3148: }
1.91 daniel 3149: if (nbchar != 0) {
3150: /*
3151: * Ok the segment is to be consumed as chars.
3152: */
3153: if (ctxt->sax != NULL) {
3154: if (areBlanks(ctxt, buf, nbchar)) {
3155: if (ctxt->sax->ignorableWhitespace != NULL)
3156: ctxt->sax->ignorableWhitespace(ctxt->userData, buf, nbchar);
3157: } else {
3158: if (ctxt->sax->characters != NULL)
3159: ctxt->sax->characters(ctxt->userData, buf, nbchar);
3160: }
3161: }
1.45 daniel 3162: }
1.27 daniel 3163: }
3164:
1.50 daniel 3165: /**
3166: * xmlParseExternalID:
3167: * @ctxt: an XML parser context
1.123 daniel 3168: * @publicID: a xmlChar** receiving PubidLiteral
1.67 daniel 3169: * @strict: indicate whether we should restrict parsing to only
3170: * production [75], see NOTE below
1.50 daniel 3171: *
1.67 daniel 3172: * Parse an External ID or a Public ID
3173: *
3174: * NOTE: Productions [75] and [83] interract badly since [75] can generate
3175: * 'PUBLIC' S PubidLiteral S SystemLiteral
1.22 daniel 3176: *
3177: * [75] ExternalID ::= 'SYSTEM' S SystemLiteral
3178: * | 'PUBLIC' S PubidLiteral S SystemLiteral
1.67 daniel 3179: *
3180: * [83] PublicID ::= 'PUBLIC' S PubidLiteral
3181: *
1.68 daniel 3182: * Returns the function returns SystemLiteral and in the second
1.67 daniel 3183: * case publicID receives PubidLiteral, is strict is off
3184: * it is possible to return NULL and have publicID set.
1.22 daniel 3185: */
3186:
1.123 daniel 3187: xmlChar *
3188: xmlParseExternalID(xmlParserCtxtPtr ctxt, xmlChar **publicID, int strict) {
3189: xmlChar *URI = NULL;
1.22 daniel 3190:
1.91 daniel 3191: SHRINK;
1.40 daniel 3192: if ((CUR == 'S') && (NXT(1) == 'Y') &&
3193: (NXT(2) == 'S') && (NXT(3) == 'T') &&
3194: (NXT(4) == 'E') && (NXT(5) == 'M')) {
3195: SKIP(6);
1.59 daniel 3196: if (!IS_BLANK(CUR)) {
3197: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1.74 daniel 3198: ctxt->sax->error(ctxt->userData,
1.59 daniel 3199: "Space required after 'SYSTEM'\n");
1.123 daniel 3200: ctxt->errNo = XML_ERR_SPACE_REQUIRED;
1.59 daniel 3201: ctxt->wellFormed = 0;
3202: }
1.42 daniel 3203: SKIP_BLANKS;
1.39 daniel 3204: URI = xmlParseSystemLiteral(ctxt);
1.59 daniel 3205: if (URI == NULL) {
1.55 daniel 3206: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1.74 daniel 3207: ctxt->sax->error(ctxt->userData,
1.39 daniel 3208: "xmlParseExternalID: SYSTEM, no URI\n");
1.123 daniel 3209: ctxt->errNo = XML_ERR_URI_REQUIRED;
1.59 daniel 3210: ctxt->wellFormed = 0;
3211: }
1.40 daniel 3212: } else if ((CUR == 'P') && (NXT(1) == 'U') &&
3213: (NXT(2) == 'B') && (NXT(3) == 'L') &&
3214: (NXT(4) == 'I') && (NXT(5) == 'C')) {
3215: SKIP(6);
1.59 daniel 3216: if (!IS_BLANK(CUR)) {
3217: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1.74 daniel 3218: ctxt->sax->error(ctxt->userData,
1.59 daniel 3219: "Space required after 'PUBLIC'\n");
1.123 daniel 3220: ctxt->errNo = XML_ERR_SPACE_REQUIRED;
1.59 daniel 3221: ctxt->wellFormed = 0;
3222: }
1.42 daniel 3223: SKIP_BLANKS;
1.39 daniel 3224: *publicID = xmlParsePubidLiteral(ctxt);
1.59 daniel 3225: if (*publicID == NULL) {
1.55 daniel 3226: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1.74 daniel 3227: ctxt->sax->error(ctxt->userData,
1.39 daniel 3228: "xmlParseExternalID: PUBLIC, no Public Identifier\n");
1.123 daniel 3229: ctxt->errNo = XML_ERR_PUBID_REQUIRED;
1.59 daniel 3230: ctxt->wellFormed = 0;
3231: }
1.67 daniel 3232: if (strict) {
3233: /*
3234: * We don't handle [83] so "S SystemLiteral" is required.
3235: */
3236: if (!IS_BLANK(CUR)) {
3237: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1.74 daniel 3238: ctxt->sax->error(ctxt->userData,
1.67 daniel 3239: "Space required after the Public Identifier\n");
1.123 daniel 3240: ctxt->errNo = XML_ERR_SPACE_REQUIRED;
1.67 daniel 3241: ctxt->wellFormed = 0;
3242: }
3243: } else {
3244: /*
3245: * We handle [83] so we return immediately, if
3246: * "S SystemLiteral" is not detected. From a purely parsing
3247: * point of view that's a nice mess.
3248: */
1.135 daniel 3249: const xmlChar *ptr;
3250: GROW;
3251:
3252: ptr = CUR_PTR;
1.67 daniel 3253: if (!IS_BLANK(*ptr)) return(NULL);
3254:
3255: while (IS_BLANK(*ptr)) ptr++;
3256: if ((*ptr != '\'') || (*ptr != '"')) return(NULL);
1.59 daniel 3257: }
1.42 daniel 3258: SKIP_BLANKS;
1.39 daniel 3259: URI = xmlParseSystemLiteral(ctxt);
1.59 daniel 3260: if (URI == NULL) {
1.55 daniel 3261: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1.74 daniel 3262: ctxt->sax->error(ctxt->userData,
1.39 daniel 3263: "xmlParseExternalID: PUBLIC, no URI\n");
1.123 daniel 3264: ctxt->errNo = XML_ERR_URI_REQUIRED;
1.59 daniel 3265: ctxt->wellFormed = 0;
3266: }
1.22 daniel 3267: }
1.39 daniel 3268: return(URI);
1.22 daniel 3269: }
3270:
1.50 daniel 3271: /**
3272: * xmlParseComment:
1.69 daniel 3273: * @ctxt: an XML parser context
1.50 daniel 3274: *
1.3 veillard 3275: * Skip an XML (SGML) comment <!-- .... -->
1.38 daniel 3276: * The spec says that "For compatibility, the string "--" (double-hyphen)
3277: * must not occur within comments. "
1.22 daniel 3278: *
3279: * [15] Comment ::= '<!--' ((Char - '-') | ('-' (Char - '-')))* '-->'
1.3 veillard 3280: */
1.72 daniel 3281: void
1.114 daniel 3282: xmlParseComment(xmlParserCtxtPtr ctxt) {
1.135 daniel 3283: xmlChar *buf = NULL;
3284: int len = 0;
1.140 daniel 3285: int size = XML_PARSER_BUFFER_SIZE;
1.135 daniel 3286: xmlChar q;
3287: xmlChar r;
3288: xmlChar cur;
1.140 daniel 3289: xmlParserInputState state;
1.3 veillard 3290:
3291: /*
1.22 daniel 3292: * Check that there is a comment right here.
1.3 veillard 3293: */
1.40 daniel 3294: if ((CUR != '<') || (NXT(1) != '!') ||
1.72 daniel 3295: (NXT(2) != '-') || (NXT(3) != '-')) return;
1.3 veillard 3296:
1.140 daniel 3297: state = ctxt->instate;
1.97 daniel 3298: ctxt->instate = XML_PARSER_COMMENT;
1.91 daniel 3299: SHRINK;
1.40 daniel 3300: SKIP(4);
1.135 daniel 3301: buf = (xmlChar *) xmlMalloc(size * sizeof(xmlChar));
3302: if (buf == NULL) {
3303: fprintf(stderr, "malloc of %d byte failed\n", size);
1.140 daniel 3304: ctxt->instate = state;
1.135 daniel 3305: return;
3306: }
3307: q = CUR;
1.40 daniel 3308: NEXT;
1.135 daniel 3309: r = CUR;
1.40 daniel 3310: NEXT;
1.135 daniel 3311: cur = CUR;
3312: while (IS_CHAR(cur) &&
3313: ((cur != '>') ||
3314: (r != '-') || (q != '-'))) {
3315: if ((r == '-') && (q == '-')) {
1.55 daniel 3316: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1.74 daniel 3317: ctxt->sax->error(ctxt->userData,
1.38 daniel 3318: "Comment must not contain '--' (double-hyphen)`\n");
1.123 daniel 3319: ctxt->errNo = XML_ERR_HYPHEN_IN_COMMENT;
1.59 daniel 3320: ctxt->wellFormed = 0;
3321: }
1.135 daniel 3322: if (len + 1 >= size) {
3323: size *= 2;
3324: buf = xmlRealloc(buf, size * sizeof(xmlChar));
3325: if (buf == NULL) {
3326: fprintf(stderr, "realloc of %d byte failed\n", size);
1.140 daniel 3327: ctxt->instate = state;
1.135 daniel 3328: return;
3329: }
3330: }
3331: buf[len++] = q;
3332: q = r;
3333: r = cur;
3334: NEXT;
3335: cur = CUR;
3336: if (cur == 0) {
3337: SHRINK;
3338: GROW;
3339: cur = CUR;
3340: }
1.3 veillard 3341: }
1.135 daniel 3342: buf[len] = 0;
3343: if (!IS_CHAR(cur)) {
1.55 daniel 3344: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1.122 daniel 3345: ctxt->sax->error(ctxt->userData,
1.135 daniel 3346: "Comment not terminated \n<!--%.50s\n", buf);
1.123 daniel 3347: ctxt->errNo = XML_ERR_COMMENT_NOT_FINISHED;
1.59 daniel 3348: ctxt->wellFormed = 0;
1.3 veillard 3349: } else {
1.40 daniel 3350: NEXT;
1.114 daniel 3351: if ((ctxt->sax != NULL) && (ctxt->sax->comment != NULL))
1.135 daniel 3352: ctxt->sax->comment(ctxt->userData, buf);
3353: xmlFree(buf);
1.3 veillard 3354: }
1.140 daniel 3355: ctxt->instate = state;
1.3 veillard 3356: }
3357:
1.50 daniel 3358: /**
3359: * xmlParsePITarget:
3360: * @ctxt: an XML parser context
3361: *
3362: * parse the name of a PI
1.22 daniel 3363: *
3364: * [17] PITarget ::= Name - (('X' | 'x') ('M' | 'm') ('L' | 'l'))
1.68 daniel 3365: *
3366: * Returns the PITarget name or NULL
1.22 daniel 3367: */
3368:
1.123 daniel 3369: xmlChar *
1.55 daniel 3370: xmlParsePITarget(xmlParserCtxtPtr ctxt) {
1.123 daniel 3371: xmlChar *name;
1.22 daniel 3372:
3373: name = xmlParseName(ctxt);
1.139 daniel 3374: if ((name != NULL) &&
1.22 daniel 3375: ((name[0] == 'x') || (name[0] == 'X')) &&
1.31 daniel 3376: ((name[1] == 'm') || (name[1] == 'M')) &&
3377: ((name[2] == 'l') || (name[2] == 'L'))) {
1.139 daniel 3378: int i;
3379: for (i = 0;;i++) {
3380: if (xmlW3CPIs[i] == NULL) break;
3381: if (!xmlStrcmp(name, (const xmlChar *)xmlW3CPIs[i]))
3382: return(name);
3383: }
3384: if ((ctxt->sax != NULL) && (ctxt->sax->warning != NULL)) {
3385: ctxt->sax->warning(ctxt->userData,
1.122 daniel 3386: "xmlParsePItarget: invalid name prefix 'xml'\n");
1.123 daniel 3387: ctxt->errNo = XML_ERR_RESERVED_XML_NAME;
1.122 daniel 3388: }
1.22 daniel 3389: }
3390: return(name);
3391: }
3392:
1.50 daniel 3393: /**
3394: * xmlParsePI:
3395: * @ctxt: an XML parser context
3396: *
3397: * parse an XML Processing Instruction.
1.22 daniel 3398: *
3399: * [16] PI ::= '<?' PITarget (S (Char* - (Char* '?>' Char*)))? '?>'
1.68 daniel 3400: *
1.69 daniel 3401: * The processing is transfered to SAX once parsed.
1.3 veillard 3402: */
3403:
1.55 daniel 3404: void
3405: xmlParsePI(xmlParserCtxtPtr ctxt) {
1.135 daniel 3406: xmlChar *buf = NULL;
3407: int len = 0;
1.140 daniel 3408: int size = XML_PARSER_BUFFER_SIZE;
1.135 daniel 3409: xmlChar cur;
1.123 daniel 3410: xmlChar *target;
1.140 daniel 3411: xmlParserInputState state;
1.22 daniel 3412:
1.40 daniel 3413: if ((CUR == '<') && (NXT(1) == '?')) {
1.140 daniel 3414: state = ctxt->instate;
3415: ctxt->instate = XML_PARSER_PI;
1.3 veillard 3416: /*
3417: * this is a Processing Instruction.
3418: */
1.40 daniel 3419: SKIP(2);
1.91 daniel 3420: SHRINK;
1.3 veillard 3421:
3422: /*
1.22 daniel 3423: * Parse the target name and check for special support like
3424: * namespace.
1.3 veillard 3425: */
1.22 daniel 3426: target = xmlParsePITarget(ctxt);
3427: if (target != NULL) {
1.135 daniel 3428: buf = (xmlChar *) xmlMalloc(size * sizeof(xmlChar));
3429: if (buf == NULL) {
3430: fprintf(stderr, "malloc of %d byte failed\n", size);
1.140 daniel 3431: ctxt->instate = state;
1.135 daniel 3432: return;
3433: }
3434: cur = CUR;
3435: if (!IS_BLANK(cur)) {
1.114 daniel 3436: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
3437: ctxt->sax->error(ctxt->userData,
3438: "xmlParsePI: PI %s space expected\n", target);
1.123 daniel 3439: ctxt->errNo = XML_ERR_SPACE_REQUIRED;
1.114 daniel 3440: ctxt->wellFormed = 0;
3441: }
3442: SKIP_BLANKS;
1.135 daniel 3443: cur = CUR;
3444: while (IS_CHAR(cur) &&
3445: ((cur != '?') || (NXT(1) != '>'))) {
3446: if (len + 1 >= size) {
3447: size *= 2;
3448: buf = xmlRealloc(buf, size * sizeof(xmlChar));
3449: if (buf == NULL) {
3450: fprintf(stderr, "realloc of %d byte failed\n", size);
1.140 daniel 3451: ctxt->instate = state;
1.135 daniel 3452: return;
3453: }
3454: }
3455: buf[len++] = cur;
1.72 daniel 3456: NEXT;
1.135 daniel 3457: cur = CUR;
3458: if (cur == 0) {
3459: SHRINK;
3460: GROW;
3461: cur = CUR;
3462: }
3463: }
3464: buf[len] = 0;
3465: if (!IS_CHAR(cur)) {
1.72 daniel 3466: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1.74 daniel 3467: ctxt->sax->error(ctxt->userData,
1.72 daniel 3468: "xmlParsePI: PI %s never end ...\n", target);
1.123 daniel 3469: ctxt->errNo = XML_ERR_PI_NOT_FINISHED;
1.72 daniel 3470: ctxt->wellFormed = 0;
1.22 daniel 3471: } else {
1.72 daniel 3472: SKIP(2);
1.44 daniel 3473:
1.72 daniel 3474: /*
3475: * SAX: PI detected.
3476: */
3477: if ((ctxt->sax) &&
3478: (ctxt->sax->processingInstruction != NULL))
1.99 daniel 3479: ctxt->sax->processingInstruction(ctxt->userData,
1.135 daniel 3480: target, buf);
1.22 daniel 3481: }
1.135 daniel 3482: xmlFree(buf);
1.119 daniel 3483: xmlFree(target);
1.3 veillard 3484: } else {
1.55 daniel 3485: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1.99 daniel 3486: ctxt->sax->error(ctxt->userData,
3487: "xmlParsePI : no target name\n");
1.123 daniel 3488: ctxt->errNo = XML_ERR_PI_NOT_STARTED;
1.59 daniel 3489: ctxt->wellFormed = 0;
1.22 daniel 3490: }
1.140 daniel 3491: ctxt->instate = state;
1.22 daniel 3492: }
3493: }
3494:
1.50 daniel 3495: /**
3496: * xmlParseNotationDecl:
3497: * @ctxt: an XML parser context
3498: *
3499: * parse a notation declaration
1.22 daniel 3500: *
3501: * [82] NotationDecl ::= '<!NOTATION' S Name S (ExternalID | PublicID) S? '>'
3502: *
3503: * Hence there is actually 3 choices:
3504: * 'PUBLIC' S PubidLiteral
3505: * 'PUBLIC' S PubidLiteral S SystemLiteral
3506: * and 'SYSTEM' S SystemLiteral
1.50 daniel 3507: *
1.67 daniel 3508: * See the NOTE on xmlParseExternalID().
1.22 daniel 3509: */
3510:
1.55 daniel 3511: void
3512: xmlParseNotationDecl(xmlParserCtxtPtr ctxt) {
1.123 daniel 3513: xmlChar *name;
3514: xmlChar *Pubid;
3515: xmlChar *Systemid;
1.22 daniel 3516:
1.40 daniel 3517: if ((CUR == '<') && (NXT(1) == '!') &&
3518: (NXT(2) == 'N') && (NXT(3) == 'O') &&
3519: (NXT(4) == 'T') && (NXT(5) == 'A') &&
3520: (NXT(6) == 'T') && (NXT(7) == 'I') &&
1.67 daniel 3521: (NXT(8) == 'O') && (NXT(9) == 'N')) {
1.91 daniel 3522: SHRINK;
1.40 daniel 3523: SKIP(10);
1.67 daniel 3524: if (!IS_BLANK(CUR)) {
3525: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1.122 daniel 3526: ctxt->sax->error(ctxt->userData,
3527: "Space required after '<!NOTATION'\n");
1.123 daniel 3528: ctxt->errNo = XML_ERR_SPACE_REQUIRED;
1.67 daniel 3529: ctxt->wellFormed = 0;
3530: return;
3531: }
3532: SKIP_BLANKS;
1.22 daniel 3533:
3534: name = xmlParseName(ctxt);
3535: if (name == NULL) {
1.55 daniel 3536: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1.122 daniel 3537: ctxt->sax->error(ctxt->userData,
3538: "NOTATION: Name expected here\n");
1.123 daniel 3539: ctxt->errNo = XML_ERR_NOTATION_NOT_STARTED;
1.67 daniel 3540: ctxt->wellFormed = 0;
3541: return;
3542: }
3543: if (!IS_BLANK(CUR)) {
3544: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1.74 daniel 3545: ctxt->sax->error(ctxt->userData,
1.67 daniel 3546: "Space required after the NOTATION name'\n");
1.123 daniel 3547: ctxt->errNo = XML_ERR_SPACE_REQUIRED;
1.59 daniel 3548: ctxt->wellFormed = 0;
1.22 daniel 3549: return;
3550: }
1.42 daniel 3551: SKIP_BLANKS;
1.67 daniel 3552:
1.22 daniel 3553: /*
1.67 daniel 3554: * Parse the IDs.
1.22 daniel 3555: */
1.67 daniel 3556: Systemid = xmlParseExternalID(ctxt, &Pubid, 1);
3557: SKIP_BLANKS;
3558:
3559: if (CUR == '>') {
1.40 daniel 3560: NEXT;
1.72 daniel 3561: if ((ctxt->sax != NULL) && (ctxt->sax->notationDecl != NULL))
1.74 daniel 3562: ctxt->sax->notationDecl(ctxt->userData, name, Pubid, Systemid);
1.67 daniel 3563: } else {
3564: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1.74 daniel 3565: ctxt->sax->error(ctxt->userData,
1.67 daniel 3566: "'>' required to close NOTATION declaration\n");
1.123 daniel 3567: ctxt->errNo = XML_ERR_NOTATION_NOT_FINISHED;
1.67 daniel 3568: ctxt->wellFormed = 0;
3569: }
1.119 daniel 3570: xmlFree(name);
3571: if (Systemid != NULL) xmlFree(Systemid);
3572: if (Pubid != NULL) xmlFree(Pubid);
1.22 daniel 3573: }
3574: }
3575:
1.50 daniel 3576: /**
3577: * xmlParseEntityDecl:
3578: * @ctxt: an XML parser context
3579: *
3580: * parse <!ENTITY declarations
1.22 daniel 3581: *
3582: * [70] EntityDecl ::= GEDecl | PEDecl
3583: *
3584: * [71] GEDecl ::= '<!ENTITY' S Name S EntityDef S? '>'
3585: *
3586: * [72] PEDecl ::= '<!ENTITY' S '%' S Name S PEDef S? '>'
3587: *
3588: * [73] EntityDef ::= EntityValue | (ExternalID NDataDecl?)
3589: *
3590: * [74] PEDef ::= EntityValue | ExternalID
1.24 daniel 3591: *
3592: * [76] NDataDecl ::= S 'NDATA' S Name
1.99 daniel 3593: *
3594: * [ VC: Notation Declared ]
1.116 daniel 3595: * The Name must match the declared name of a notation.
1.22 daniel 3596: */
3597:
1.55 daniel 3598: void
3599: xmlParseEntityDecl(xmlParserCtxtPtr ctxt) {
1.123 daniel 3600: xmlChar *name = NULL;
3601: xmlChar *value = NULL;
3602: xmlChar *URI = NULL, *literal = NULL;
3603: xmlChar *ndata = NULL;
1.39 daniel 3604: int isParameter = 0;
1.123 daniel 3605: xmlChar *orig = NULL;
1.22 daniel 3606:
1.94 daniel 3607: GROW;
1.40 daniel 3608: if ((CUR == '<') && (NXT(1) == '!') &&
3609: (NXT(2) == 'E') && (NXT(3) == 'N') &&
3610: (NXT(4) == 'T') && (NXT(5) == 'I') &&
1.59 daniel 3611: (NXT(6) == 'T') && (NXT(7) == 'Y')) {
1.96 daniel 3612: ctxt->instate = XML_PARSER_ENTITY_DECL;
1.91 daniel 3613: SHRINK;
1.40 daniel 3614: SKIP(8);
1.59 daniel 3615: if (!IS_BLANK(CUR)) {
3616: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1.122 daniel 3617: ctxt->sax->error(ctxt->userData,
3618: "Space required after '<!ENTITY'\n");
1.123 daniel 3619: ctxt->errNo = XML_ERR_SPACE_REQUIRED;
1.59 daniel 3620: ctxt->wellFormed = 0;
3621: }
3622: SKIP_BLANKS;
1.40 daniel 3623:
3624: if (CUR == '%') {
3625: NEXT;
1.59 daniel 3626: if (!IS_BLANK(CUR)) {
3627: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1.122 daniel 3628: ctxt->sax->error(ctxt->userData,
3629: "Space required after '%'\n");
1.123 daniel 3630: ctxt->errNo = XML_ERR_SPACE_REQUIRED;
1.59 daniel 3631: ctxt->wellFormed = 0;
3632: }
1.42 daniel 3633: SKIP_BLANKS;
1.39 daniel 3634: isParameter = 1;
1.22 daniel 3635: }
3636:
3637: name = xmlParseName(ctxt);
1.24 daniel 3638: if (name == NULL) {
1.55 daniel 3639: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1.74 daniel 3640: ctxt->sax->error(ctxt->userData, "xmlParseEntityDecl: no name\n");
1.123 daniel 3641: ctxt->errNo = XML_ERR_NAME_REQUIRED;
1.59 daniel 3642: ctxt->wellFormed = 0;
1.24 daniel 3643: return;
3644: }
1.59 daniel 3645: if (!IS_BLANK(CUR)) {
3646: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1.74 daniel 3647: ctxt->sax->error(ctxt->userData,
1.59 daniel 3648: "Space required after the entity name\n");
1.123 daniel 3649: ctxt->errNo = XML_ERR_SPACE_REQUIRED;
1.59 daniel 3650: ctxt->wellFormed = 0;
3651: }
1.42 daniel 3652: SKIP_BLANKS;
1.24 daniel 3653:
1.22 daniel 3654: /*
1.68 daniel 3655: * handle the various case of definitions...
1.22 daniel 3656: */
1.39 daniel 3657: if (isParameter) {
1.40 daniel 3658: if ((CUR == '"') || (CUR == '\''))
1.78 daniel 3659: value = xmlParseEntityValue(ctxt, &orig);
1.39 daniel 3660: if (value) {
1.72 daniel 3661: if ((ctxt->sax != NULL) && (ctxt->sax->entityDecl != NULL))
1.74 daniel 3662: ctxt->sax->entityDecl(ctxt->userData, name,
1.39 daniel 3663: XML_INTERNAL_PARAMETER_ENTITY,
3664: NULL, NULL, value);
3665: }
1.24 daniel 3666: else {
1.67 daniel 3667: URI = xmlParseExternalID(ctxt, &literal, 1);
1.39 daniel 3668: if (URI) {
1.72 daniel 3669: if ((ctxt->sax != NULL) && (ctxt->sax->entityDecl != NULL))
1.74 daniel 3670: ctxt->sax->entityDecl(ctxt->userData, name,
1.39 daniel 3671: XML_EXTERNAL_PARAMETER_ENTITY,
3672: literal, URI, NULL);
3673: }
1.24 daniel 3674: }
3675: } else {
1.40 daniel 3676: if ((CUR == '"') || (CUR == '\'')) {
1.78 daniel 3677: value = xmlParseEntityValue(ctxt, &orig);
1.72 daniel 3678: if ((ctxt->sax != NULL) && (ctxt->sax->entityDecl != NULL))
1.74 daniel 3679: ctxt->sax->entityDecl(ctxt->userData, name,
1.39 daniel 3680: XML_INTERNAL_GENERAL_ENTITY,
3681: NULL, NULL, value);
3682: } else {
1.67 daniel 3683: URI = xmlParseExternalID(ctxt, &literal, 1);
1.59 daniel 3684: if ((CUR != '>') && (!IS_BLANK(CUR))) {
3685: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1.74 daniel 3686: ctxt->sax->error(ctxt->userData,
1.59 daniel 3687: "Space required before 'NDATA'\n");
1.123 daniel 3688: ctxt->errNo = XML_ERR_SPACE_REQUIRED;
1.59 daniel 3689: ctxt->wellFormed = 0;
3690: }
1.42 daniel 3691: SKIP_BLANKS;
1.40 daniel 3692: if ((CUR == 'N') && (NXT(1) == 'D') &&
3693: (NXT(2) == 'A') && (NXT(3) == 'T') &&
3694: (NXT(4) == 'A')) {
3695: SKIP(5);
1.59 daniel 3696: if (!IS_BLANK(CUR)) {
3697: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1.74 daniel 3698: ctxt->sax->error(ctxt->userData,
1.59 daniel 3699: "Space required after 'NDATA'\n");
1.123 daniel 3700: ctxt->errNo = XML_ERR_SPACE_REQUIRED;
1.59 daniel 3701: ctxt->wellFormed = 0;
3702: }
1.42 daniel 3703: SKIP_BLANKS;
1.24 daniel 3704: ndata = xmlParseName(ctxt);
1.116 daniel 3705: if ((ctxt->sax != NULL) &&
3706: (ctxt->sax->unparsedEntityDecl != NULL))
3707: ctxt->sax->unparsedEntityDecl(ctxt->userData, name,
1.39 daniel 3708: literal, URI, ndata);
3709: } else {
1.72 daniel 3710: if ((ctxt->sax != NULL) && (ctxt->sax->entityDecl != NULL))
1.74 daniel 3711: ctxt->sax->entityDecl(ctxt->userData, name,
1.39 daniel 3712: XML_EXTERNAL_GENERAL_PARSED_ENTITY,
3713: literal, URI, NULL);
1.24 daniel 3714: }
3715: }
3716: }
1.42 daniel 3717: SKIP_BLANKS;
1.40 daniel 3718: if (CUR != '>') {
1.55 daniel 3719: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1.74 daniel 3720: ctxt->sax->error(ctxt->userData,
1.31 daniel 3721: "xmlParseEntityDecl: entity %s not terminated\n", name);
1.123 daniel 3722: ctxt->errNo = XML_ERR_ENTITY_NOT_FINISHED;
1.59 daniel 3723: ctxt->wellFormed = 0;
1.24 daniel 3724: } else
1.40 daniel 3725: NEXT;
1.78 daniel 3726: if (orig != NULL) {
3727: /*
1.98 daniel 3728: * Ugly mechanism to save the raw entity value.
1.78 daniel 3729: */
3730: xmlEntityPtr cur = NULL;
3731:
1.98 daniel 3732: if (isParameter) {
3733: if ((ctxt->sax != NULL) &&
3734: (ctxt->sax->getParameterEntity != NULL))
1.120 daniel 3735: cur = ctxt->sax->getParameterEntity(ctxt->userData, name);
1.98 daniel 3736: } else {
3737: if ((ctxt->sax != NULL) &&
3738: (ctxt->sax->getEntity != NULL))
1.120 daniel 3739: cur = ctxt->sax->getEntity(ctxt->userData, name);
1.98 daniel 3740: }
3741: if (cur != NULL) {
3742: if (cur->orig != NULL)
1.119 daniel 3743: xmlFree(orig);
1.98 daniel 3744: else
3745: cur->orig = orig;
3746: } else
1.119 daniel 3747: xmlFree(orig);
1.78 daniel 3748: }
1.119 daniel 3749: if (name != NULL) xmlFree(name);
3750: if (value != NULL) xmlFree(value);
3751: if (URI != NULL) xmlFree(URI);
3752: if (literal != NULL) xmlFree(literal);
3753: if (ndata != NULL) xmlFree(ndata);
1.22 daniel 3754: }
3755: }
3756:
1.50 daniel 3757: /**
1.59 daniel 3758: * xmlParseDefaultDecl:
3759: * @ctxt: an XML parser context
3760: * @value: Receive a possible fixed default value for the attribute
3761: *
3762: * Parse an attribute default declaration
3763: *
3764: * [60] DefaultDecl ::= '#REQUIRED' | '#IMPLIED' | (('#FIXED' S)? AttValue)
3765: *
1.99 daniel 3766: * [ VC: Required Attribute ]
1.117 daniel 3767: * if the default declaration is the keyword #REQUIRED, then the
3768: * attribute must be specified for all elements of the type in the
3769: * attribute-list declaration.
1.99 daniel 3770: *
3771: * [ VC: Attribute Default Legal ]
1.102 daniel 3772: * The declared default value must meet the lexical constraints of
3773: * the declared attribute type c.f. xmlValidateAttributeDecl()
1.99 daniel 3774: *
3775: * [ VC: Fixed Attribute Default ]
1.117 daniel 3776: * if an attribute has a default value declared with the #FIXED
3777: * keyword, instances of that attribute must match the default value.
1.99 daniel 3778: *
3779: * [ WFC: No < in Attribute Values ]
3780: * handled in xmlParseAttValue()
3781: *
1.59 daniel 3782: * returns: XML_ATTRIBUTE_NONE, XML_ATTRIBUTE_REQUIRED, XML_ATTRIBUTE_IMPLIED
3783: * or XML_ATTRIBUTE_FIXED.
3784: */
3785:
3786: int
1.123 daniel 3787: xmlParseDefaultDecl(xmlParserCtxtPtr ctxt, xmlChar **value) {
1.59 daniel 3788: int val;
1.123 daniel 3789: xmlChar *ret;
1.59 daniel 3790:
3791: *value = NULL;
3792: if ((CUR == '#') && (NXT(1) == 'R') &&
3793: (NXT(2) == 'E') && (NXT(3) == 'Q') &&
3794: (NXT(4) == 'U') && (NXT(5) == 'I') &&
3795: (NXT(6) == 'R') && (NXT(7) == 'E') &&
3796: (NXT(8) == 'D')) {
3797: SKIP(9);
3798: return(XML_ATTRIBUTE_REQUIRED);
3799: }
3800: if ((CUR == '#') && (NXT(1) == 'I') &&
3801: (NXT(2) == 'M') && (NXT(3) == 'P') &&
3802: (NXT(4) == 'L') && (NXT(5) == 'I') &&
3803: (NXT(6) == 'E') && (NXT(7) == 'D')) {
3804: SKIP(8);
3805: return(XML_ATTRIBUTE_IMPLIED);
3806: }
3807: val = XML_ATTRIBUTE_NONE;
3808: if ((CUR == '#') && (NXT(1) == 'F') &&
3809: (NXT(2) == 'I') && (NXT(3) == 'X') &&
3810: (NXT(4) == 'E') && (NXT(5) == 'D')) {
3811: SKIP(6);
3812: val = XML_ATTRIBUTE_FIXED;
3813: if (!IS_BLANK(CUR)) {
3814: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1.122 daniel 3815: ctxt->sax->error(ctxt->userData,
3816: "Space required after '#FIXED'\n");
1.123 daniel 3817: ctxt->errNo = XML_ERR_SPACE_REQUIRED;
1.59 daniel 3818: ctxt->wellFormed = 0;
3819: }
3820: SKIP_BLANKS;
3821: }
3822: ret = xmlParseAttValue(ctxt);
1.96 daniel 3823: ctxt->instate = XML_PARSER_DTD;
1.59 daniel 3824: if (ret == NULL) {
3825: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1.74 daniel 3826: ctxt->sax->error(ctxt->userData,
1.59 daniel 3827: "Attribute default value declaration error\n");
3828: ctxt->wellFormed = 0;
3829: } else
3830: *value = ret;
3831: return(val);
3832: }
3833:
3834: /**
1.66 daniel 3835: * xmlParseNotationType:
3836: * @ctxt: an XML parser context
3837: *
3838: * parse an Notation attribute type.
3839: *
1.99 daniel 3840: * Note: the leading 'NOTATION' S part has already being parsed...
3841: *
1.66 daniel 3842: * [58] NotationType ::= 'NOTATION' S '(' S? Name (S? '|' S? Name)* S? ')'
3843: *
1.99 daniel 3844: * [ VC: Notation Attributes ]
1.117 daniel 3845: * Values of this type must match one of the notation names included
1.99 daniel 3846: * in the declaration; all notation names in the declaration must be declared.
1.66 daniel 3847: *
3848: * Returns: the notation attribute tree built while parsing
3849: */
3850:
3851: xmlEnumerationPtr
3852: xmlParseNotationType(xmlParserCtxtPtr ctxt) {
1.123 daniel 3853: xmlChar *name;
1.66 daniel 3854: xmlEnumerationPtr ret = NULL, last = NULL, cur;
3855:
3856: if (CUR != '(') {
3857: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1.122 daniel 3858: ctxt->sax->error(ctxt->userData,
3859: "'(' required to start 'NOTATION'\n");
1.123 daniel 3860: ctxt->errNo = XML_ERR_NOTATION_NOT_STARTED;
1.66 daniel 3861: ctxt->wellFormed = 0;
3862: return(NULL);
3863: }
1.91 daniel 3864: SHRINK;
1.66 daniel 3865: do {
3866: NEXT;
3867: SKIP_BLANKS;
3868: name = xmlParseName(ctxt);
3869: if (name == NULL) {
3870: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1.74 daniel 3871: ctxt->sax->error(ctxt->userData,
1.66 daniel 3872: "Name expected in NOTATION declaration\n");
1.123 daniel 3873: ctxt->errNo = XML_ERR_NAME_REQUIRED;
1.66 daniel 3874: ctxt->wellFormed = 0;
3875: return(ret);
3876: }
3877: cur = xmlCreateEnumeration(name);
1.119 daniel 3878: xmlFree(name);
1.66 daniel 3879: if (cur == NULL) return(ret);
3880: if (last == NULL) ret = last = cur;
3881: else {
3882: last->next = cur;
3883: last = cur;
3884: }
3885: SKIP_BLANKS;
3886: } while (CUR == '|');
3887: if (CUR != ')') {
3888: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1.74 daniel 3889: ctxt->sax->error(ctxt->userData,
1.66 daniel 3890: "')' required to finish NOTATION declaration\n");
1.123 daniel 3891: ctxt->errNo = XML_ERR_NOTATION_NOT_FINISHED;
1.66 daniel 3892: ctxt->wellFormed = 0;
3893: return(ret);
3894: }
3895: NEXT;
3896: return(ret);
3897: }
3898:
3899: /**
3900: * xmlParseEnumerationType:
3901: * @ctxt: an XML parser context
3902: *
3903: * parse an Enumeration attribute type.
3904: *
3905: * [59] Enumeration ::= '(' S? Nmtoken (S? '|' S? Nmtoken)* S? ')'
3906: *
1.99 daniel 3907: * [ VC: Enumeration ]
1.117 daniel 3908: * Values of this type must match one of the Nmtoken tokens in
1.99 daniel 3909: * the declaration
3910: *
1.66 daniel 3911: * Returns: the enumeration attribute tree built while parsing
3912: */
3913:
3914: xmlEnumerationPtr
3915: xmlParseEnumerationType(xmlParserCtxtPtr ctxt) {
1.123 daniel 3916: xmlChar *name;
1.66 daniel 3917: xmlEnumerationPtr ret = NULL, last = NULL, cur;
3918:
3919: if (CUR != '(') {
3920: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1.74 daniel 3921: ctxt->sax->error(ctxt->userData,
1.66 daniel 3922: "'(' required to start ATTLIST enumeration\n");
1.123 daniel 3923: ctxt->errNo = XML_ERR_ATTLIST_NOT_STARTED;
1.66 daniel 3924: ctxt->wellFormed = 0;
3925: return(NULL);
3926: }
1.91 daniel 3927: SHRINK;
1.66 daniel 3928: do {
3929: NEXT;
3930: SKIP_BLANKS;
3931: name = xmlParseNmtoken(ctxt);
3932: if (name == NULL) {
3933: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1.74 daniel 3934: ctxt->sax->error(ctxt->userData,
1.66 daniel 3935: "NmToken expected in ATTLIST enumeration\n");
1.123 daniel 3936: ctxt->errNo = XML_ERR_NMTOKEN_REQUIRED;
1.66 daniel 3937: ctxt->wellFormed = 0;
3938: return(ret);
3939: }
3940: cur = xmlCreateEnumeration(name);
1.119 daniel 3941: xmlFree(name);
1.66 daniel 3942: if (cur == NULL) return(ret);
3943: if (last == NULL) ret = last = cur;
3944: else {
3945: last->next = cur;
3946: last = cur;
3947: }
3948: SKIP_BLANKS;
3949: } while (CUR == '|');
3950: if (CUR != ')') {
3951: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1.74 daniel 3952: ctxt->sax->error(ctxt->userData,
1.66 daniel 3953: "')' required to finish ATTLIST enumeration\n");
1.123 daniel 3954: ctxt->errNo = XML_ERR_ATTLIST_NOT_FINISHED;
1.66 daniel 3955: ctxt->wellFormed = 0;
3956: return(ret);
3957: }
3958: NEXT;
3959: return(ret);
3960: }
3961:
3962: /**
1.50 daniel 3963: * xmlParseEnumeratedType:
3964: * @ctxt: an XML parser context
1.66 daniel 3965: * @tree: the enumeration tree built while parsing
1.50 daniel 3966: *
1.66 daniel 3967: * parse an Enumerated attribute type.
1.22 daniel 3968: *
3969: * [57] EnumeratedType ::= NotationType | Enumeration
3970: *
3971: * [58] NotationType ::= 'NOTATION' S '(' S? Name (S? '|' S? Name)* S? ')'
3972: *
1.50 daniel 3973: *
1.66 daniel 3974: * Returns: XML_ATTRIBUTE_ENUMERATION or XML_ATTRIBUTE_NOTATION
1.22 daniel 3975: */
3976:
1.66 daniel 3977: int
3978: xmlParseEnumeratedType(xmlParserCtxtPtr ctxt, xmlEnumerationPtr *tree) {
3979: if ((CUR == 'N') && (NXT(1) == 'O') &&
3980: (NXT(2) == 'T') && (NXT(3) == 'A') &&
3981: (NXT(4) == 'T') && (NXT(5) == 'I') &&
3982: (NXT(6) == 'O') && (NXT(7) == 'N')) {
3983: SKIP(8);
3984: if (!IS_BLANK(CUR)) {
3985: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1.122 daniel 3986: ctxt->sax->error(ctxt->userData,
3987: "Space required after 'NOTATION'\n");
1.123 daniel 3988: ctxt->errNo = XML_ERR_SPACE_REQUIRED;
1.66 daniel 3989: ctxt->wellFormed = 0;
3990: return(0);
3991: }
3992: SKIP_BLANKS;
3993: *tree = xmlParseNotationType(ctxt);
3994: if (*tree == NULL) return(0);
3995: return(XML_ATTRIBUTE_NOTATION);
3996: }
3997: *tree = xmlParseEnumerationType(ctxt);
3998: if (*tree == NULL) return(0);
3999: return(XML_ATTRIBUTE_ENUMERATION);
1.22 daniel 4000: }
4001:
1.50 daniel 4002: /**
4003: * xmlParseAttributeType:
4004: * @ctxt: an XML parser context
1.66 daniel 4005: * @tree: the enumeration tree built while parsing
1.50 daniel 4006: *
1.59 daniel 4007: * parse the Attribute list def for an element
1.22 daniel 4008: *
4009: * [54] AttType ::= StringType | TokenizedType | EnumeratedType
4010: *
4011: * [55] StringType ::= 'CDATA'
4012: *
4013: * [56] TokenizedType ::= 'ID' | 'IDREF' | 'IDREFS' | 'ENTITY' |
4014: * 'ENTITIES' | 'NMTOKEN' | 'NMTOKENS'
1.50 daniel 4015: *
1.102 daniel 4016: * Validity constraints for attribute values syntax are checked in
4017: * xmlValidateAttributeValue()
4018: *
1.99 daniel 4019: * [ VC: ID ]
1.117 daniel 4020: * Values of type ID must match the Name production. A name must not
1.99 daniel 4021: * appear more than once in an XML document as a value of this type;
4022: * i.e., ID values must uniquely identify the elements which bear them.
4023: *
4024: * [ VC: One ID per Element Type ]
1.117 daniel 4025: * No element type may have more than one ID attribute specified.
1.99 daniel 4026: *
4027: * [ VC: ID Attribute Default ]
1.117 daniel 4028: * An ID attribute must have a declared default of #IMPLIED or #REQUIRED.
1.99 daniel 4029: *
4030: * [ VC: IDREF ]
1.102 daniel 4031: * Values of type IDREF must match the Name production, and values
1.140 daniel 4032: * of type IDREFS must match Names; each IDREF Name must match the value
1.117 daniel 4033: * of an ID attribute on some element in the XML document; i.e. IDREF
1.99 daniel 4034: * values must match the value of some ID attribute.
4035: *
4036: * [ VC: Entity Name ]
1.102 daniel 4037: * Values of type ENTITY must match the Name production, values
1.140 daniel 4038: * of type ENTITIES must match Names; each Entity Name must match the
1.117 daniel 4039: * name of an unparsed entity declared in the DTD.
1.99 daniel 4040: *
4041: * [ VC: Name Token ]
1.102 daniel 4042: * Values of type NMTOKEN must match the Nmtoken production; values
1.99 daniel 4043: * of type NMTOKENS must match Nmtokens.
4044: *
1.69 daniel 4045: * Returns the attribute type
1.22 daniel 4046: */
1.59 daniel 4047: int
1.66 daniel 4048: xmlParseAttributeType(xmlParserCtxtPtr ctxt, xmlEnumerationPtr *tree) {
1.91 daniel 4049: SHRINK;
1.40 daniel 4050: if ((CUR == 'C') && (NXT(1) == 'D') &&
4051: (NXT(2) == 'A') && (NXT(3) == 'T') &&
4052: (NXT(4) == 'A')) {
4053: SKIP(5);
1.66 daniel 4054: return(XML_ATTRIBUTE_CDATA);
1.40 daniel 4055: } else if ((CUR == 'I') && (NXT(1) == 'D') &&
4056: (NXT(2) == 'R') && (NXT(3) == 'E') &&
1.97 daniel 4057: (NXT(4) == 'F') && (NXT(5) == 'S')) {
4058: SKIP(6);
4059: return(XML_ATTRIBUTE_IDREFS);
4060: } else if ((CUR == 'I') && (NXT(1) == 'D') &&
4061: (NXT(2) == 'R') && (NXT(3) == 'E') &&
1.40 daniel 4062: (NXT(4) == 'F')) {
4063: SKIP(5);
1.59 daniel 4064: return(XML_ATTRIBUTE_IDREF);
1.66 daniel 4065: } else if ((CUR == 'I') && (NXT(1) == 'D')) {
4066: SKIP(2);
4067: return(XML_ATTRIBUTE_ID);
1.40 daniel 4068: } else if ((CUR == 'E') && (NXT(1) == 'N') &&
4069: (NXT(2) == 'T') && (NXT(3) == 'I') &&
4070: (NXT(4) == 'T') && (NXT(5) == 'Y')) {
4071: SKIP(6);
1.59 daniel 4072: return(XML_ATTRIBUTE_ENTITY);
1.40 daniel 4073: } else if ((CUR == 'E') && (NXT(1) == 'N') &&
4074: (NXT(2) == 'T') && (NXT(3) == 'I') &&
4075: (NXT(4) == 'T') && (NXT(5) == 'I') &&
4076: (NXT(6) == 'E') && (NXT(7) == 'S')) {
4077: SKIP(8);
1.59 daniel 4078: return(XML_ATTRIBUTE_ENTITIES);
1.40 daniel 4079: } else if ((CUR == 'N') && (NXT(1) == 'M') &&
4080: (NXT(2) == 'T') && (NXT(3) == 'O') &&
4081: (NXT(4) == 'K') && (NXT(5) == 'E') &&
1.66 daniel 4082: (NXT(6) == 'N') && (NXT(7) == 'S')) {
4083: SKIP(8);
4084: return(XML_ATTRIBUTE_NMTOKENS);
4085: } else if ((CUR == 'N') && (NXT(1) == 'M') &&
4086: (NXT(2) == 'T') && (NXT(3) == 'O') &&
4087: (NXT(4) == 'K') && (NXT(5) == 'E') &&
1.40 daniel 4088: (NXT(6) == 'N')) {
4089: SKIP(7);
1.59 daniel 4090: return(XML_ATTRIBUTE_NMTOKEN);
1.22 daniel 4091: }
1.66 daniel 4092: return(xmlParseEnumeratedType(ctxt, tree));
1.22 daniel 4093: }
4094:
1.50 daniel 4095: /**
4096: * xmlParseAttributeListDecl:
4097: * @ctxt: an XML parser context
4098: *
4099: * : parse the Attribute list def for an element
1.22 daniel 4100: *
4101: * [52] AttlistDecl ::= '<!ATTLIST' S Name AttDef* S? '>'
4102: *
4103: * [53] AttDef ::= S Name S AttType S DefaultDecl
1.50 daniel 4104: *
1.22 daniel 4105: */
1.55 daniel 4106: void
4107: xmlParseAttributeListDecl(xmlParserCtxtPtr ctxt) {
1.123 daniel 4108: xmlChar *elemName;
4109: xmlChar *attrName;
1.103 daniel 4110: xmlEnumerationPtr tree;
1.22 daniel 4111:
1.40 daniel 4112: if ((CUR == '<') && (NXT(1) == '!') &&
4113: (NXT(2) == 'A') && (NXT(3) == 'T') &&
4114: (NXT(4) == 'T') && (NXT(5) == 'L') &&
4115: (NXT(6) == 'I') && (NXT(7) == 'S') &&
1.59 daniel 4116: (NXT(8) == 'T')) {
1.40 daniel 4117: SKIP(9);
1.59 daniel 4118: if (!IS_BLANK(CUR)) {
4119: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1.122 daniel 4120: ctxt->sax->error(ctxt->userData,
4121: "Space required after '<!ATTLIST'\n");
1.123 daniel 4122: ctxt->errNo = XML_ERR_SPACE_REQUIRED;
1.59 daniel 4123: ctxt->wellFormed = 0;
4124: }
1.42 daniel 4125: SKIP_BLANKS;
1.59 daniel 4126: elemName = xmlParseName(ctxt);
4127: if (elemName == NULL) {
1.55 daniel 4128: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1.122 daniel 4129: ctxt->sax->error(ctxt->userData,
4130: "ATTLIST: no name for Element\n");
1.123 daniel 4131: ctxt->errNo = XML_ERR_NAME_REQUIRED;
1.59 daniel 4132: ctxt->wellFormed = 0;
1.22 daniel 4133: return;
4134: }
1.42 daniel 4135: SKIP_BLANKS;
1.40 daniel 4136: while (CUR != '>') {
1.123 daniel 4137: const xmlChar *check = CUR_PTR;
1.59 daniel 4138: int type;
4139: int def;
1.123 daniel 4140: xmlChar *defaultValue = NULL;
1.59 daniel 4141:
1.103 daniel 4142: tree = NULL;
1.59 daniel 4143: attrName = xmlParseName(ctxt);
4144: if (attrName == NULL) {
4145: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1.122 daniel 4146: ctxt->sax->error(ctxt->userData,
4147: "ATTLIST: no name for Attribute\n");
1.123 daniel 4148: ctxt->errNo = XML_ERR_NAME_REQUIRED;
1.59 daniel 4149: ctxt->wellFormed = 0;
4150: break;
4151: }
1.97 daniel 4152: GROW;
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 the attribute name\n");
1.123 daniel 4157: ctxt->errNo = XML_ERR_SPACE_REQUIRED;
1.59 daniel 4158: ctxt->wellFormed = 0;
4159: break;
4160: }
4161: SKIP_BLANKS;
4162:
1.66 daniel 4163: type = xmlParseAttributeType(ctxt, &tree);
1.59 daniel 4164: if (type <= 0) break;
1.22 daniel 4165:
1.97 daniel 4166: GROW;
1.59 daniel 4167: if (!IS_BLANK(CUR)) {
4168: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1.74 daniel 4169: ctxt->sax->error(ctxt->userData,
1.59 daniel 4170: "Space required after the attribute type\n");
1.123 daniel 4171: ctxt->errNo = XML_ERR_SPACE_REQUIRED;
1.59 daniel 4172: ctxt->wellFormed = 0;
4173: break;
4174: }
1.42 daniel 4175: SKIP_BLANKS;
1.59 daniel 4176:
4177: def = xmlParseDefaultDecl(ctxt, &defaultValue);
4178: if (def <= 0) break;
4179:
1.97 daniel 4180: GROW;
1.59 daniel 4181: if (CUR != '>') {
4182: if (!IS_BLANK(CUR)) {
4183: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1.74 daniel 4184: ctxt->sax->error(ctxt->userData,
1.59 daniel 4185: "Space required after the attribute default value\n");
1.123 daniel 4186: ctxt->errNo = XML_ERR_SPACE_REQUIRED;
1.59 daniel 4187: ctxt->wellFormed = 0;
4188: break;
4189: }
4190: SKIP_BLANKS;
4191: }
1.40 daniel 4192: if (check == CUR_PTR) {
1.55 daniel 4193: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1.74 daniel 4194: ctxt->sax->error(ctxt->userData,
1.59 daniel 4195: "xmlParseAttributeListDecl: detected internal error\n");
1.123 daniel 4196: ctxt->errNo = XML_ERR_INTERNAL_ERROR;
1.22 daniel 4197: break;
4198: }
1.72 daniel 4199: if ((ctxt->sax != NULL) && (ctxt->sax->attributeDecl != NULL))
1.74 daniel 4200: ctxt->sax->attributeDecl(ctxt->userData, elemName, attrName,
1.66 daniel 4201: type, def, defaultValue, tree);
1.59 daniel 4202: if (attrName != NULL)
1.119 daniel 4203: xmlFree(attrName);
1.59 daniel 4204: if (defaultValue != NULL)
1.119 daniel 4205: xmlFree(defaultValue);
1.97 daniel 4206: GROW;
1.22 daniel 4207: }
1.40 daniel 4208: if (CUR == '>')
4209: NEXT;
1.22 daniel 4210:
1.119 daniel 4211: xmlFree(elemName);
1.22 daniel 4212: }
4213: }
4214:
1.50 daniel 4215: /**
1.61 daniel 4216: * xmlParseElementMixedContentDecl:
4217: * @ctxt: an XML parser context
4218: *
4219: * parse the declaration for a Mixed Element content
4220: * The leading '(' and spaces have been skipped in xmlParseElementContentDecl
4221: *
4222: * [51] Mixed ::= '(' S? '#PCDATA' (S? '|' S? Name)* S? ')*' |
4223: * '(' S? '#PCDATA' S? ')'
4224: *
1.99 daniel 4225: * [ VC: Proper Group/PE Nesting ] applies to [51] too (see [49])
4226: *
4227: * [ VC: No Duplicate Types ]
1.117 daniel 4228: * The same name must not appear more than once in a single
4229: * mixed-content declaration.
1.99 daniel 4230: *
1.61 daniel 4231: * returns: the list of the xmlElementContentPtr describing the element choices
4232: */
4233: xmlElementContentPtr
1.62 daniel 4234: xmlParseElementMixedContentDecl(xmlParserCtxtPtr ctxt) {
1.64 daniel 4235: xmlElementContentPtr ret = NULL, cur = NULL, n;
1.123 daniel 4236: xmlChar *elem = NULL;
1.61 daniel 4237:
1.97 daniel 4238: GROW;
1.61 daniel 4239: if ((CUR == '#') && (NXT(1) == 'P') &&
4240: (NXT(2) == 'C') && (NXT(3) == 'D') &&
4241: (NXT(4) == 'A') && (NXT(5) == 'T') &&
4242: (NXT(6) == 'A')) {
4243: SKIP(7);
4244: SKIP_BLANKS;
1.91 daniel 4245: SHRINK;
1.63 daniel 4246: if (CUR == ')') {
4247: NEXT;
4248: ret = xmlNewElementContent(NULL, XML_ELEMENT_CONTENT_PCDATA);
1.136 daniel 4249: if (CUR == '*') {
4250: ret->ocur = XML_ELEMENT_CONTENT_MULT;
4251: NEXT;
4252: }
1.63 daniel 4253: return(ret);
4254: }
1.61 daniel 4255: if ((CUR == '(') || (CUR == '|')) {
4256: ret = cur = xmlNewElementContent(NULL, XML_ELEMENT_CONTENT_PCDATA);
4257: if (ret == NULL) return(NULL);
1.99 daniel 4258: }
1.61 daniel 4259: while (CUR == '|') {
1.64 daniel 4260: NEXT;
1.61 daniel 4261: if (elem == NULL) {
4262: ret = xmlNewElementContent(NULL, XML_ELEMENT_CONTENT_OR);
4263: if (ret == NULL) return(NULL);
4264: ret->c1 = cur;
1.64 daniel 4265: cur = ret;
1.61 daniel 4266: } else {
1.64 daniel 4267: n = xmlNewElementContent(NULL, XML_ELEMENT_CONTENT_OR);
4268: if (n == NULL) return(NULL);
4269: n->c1 = xmlNewElementContent(elem, XML_ELEMENT_CONTENT_ELEMENT);
4270: cur->c2 = n;
4271: cur = n;
1.119 daniel 4272: xmlFree(elem);
1.61 daniel 4273: }
4274: SKIP_BLANKS;
4275: elem = xmlParseName(ctxt);
4276: if (elem == NULL) {
4277: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1.74 daniel 4278: ctxt->sax->error(ctxt->userData,
1.61 daniel 4279: "xmlParseElementMixedContentDecl : Name expected\n");
1.123 daniel 4280: ctxt->errNo = XML_ERR_NAME_REQUIRED;
1.61 daniel 4281: ctxt->wellFormed = 0;
4282: xmlFreeElementContent(cur);
4283: return(NULL);
4284: }
4285: SKIP_BLANKS;
1.97 daniel 4286: GROW;
1.61 daniel 4287: }
1.63 daniel 4288: if ((CUR == ')') && (NXT(1) == '*')) {
1.66 daniel 4289: if (elem != NULL) {
1.61 daniel 4290: cur->c2 = xmlNewElementContent(elem,
4291: XML_ELEMENT_CONTENT_ELEMENT);
1.119 daniel 4292: xmlFree(elem);
1.66 daniel 4293: }
1.65 daniel 4294: ret->ocur = XML_ELEMENT_CONTENT_MULT;
1.64 daniel 4295: SKIP(2);
1.61 daniel 4296: } else {
1.119 daniel 4297: if (elem != NULL) xmlFree(elem);
1.61 daniel 4298: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1.74 daniel 4299: ctxt->sax->error(ctxt->userData,
1.63 daniel 4300: "xmlParseElementMixedContentDecl : '|' or ')*' expected\n");
1.123 daniel 4301: ctxt->errNo = XML_ERR_MIXED_NOT_STARTED;
1.61 daniel 4302: ctxt->wellFormed = 0;
4303: xmlFreeElementContent(ret);
4304: return(NULL);
4305: }
4306:
4307: } else {
4308: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1.74 daniel 4309: ctxt->sax->error(ctxt->userData,
1.61 daniel 4310: "xmlParseElementMixedContentDecl : '#PCDATA' expected\n");
1.123 daniel 4311: ctxt->errNo = XML_ERR_PCDATA_REQUIRED;
1.61 daniel 4312: ctxt->wellFormed = 0;
4313: }
4314: return(ret);
4315: }
4316:
4317: /**
4318: * xmlParseElementChildrenContentDecl:
1.50 daniel 4319: * @ctxt: an XML parser context
4320: *
1.61 daniel 4321: * parse the declaration for a Mixed Element content
4322: * The leading '(' and spaces have been skipped in xmlParseElementContentDecl
1.22 daniel 4323: *
1.61 daniel 4324: *
1.22 daniel 4325: * [47] children ::= (choice | seq) ('?' | '*' | '+')?
4326: *
4327: * [48] cp ::= (Name | choice | seq) ('?' | '*' | '+')?
4328: *
4329: * [49] choice ::= '(' S? cp ( S? '|' S? cp )* S? ')'
4330: *
4331: * [50] seq ::= '(' S? cp ( S? ',' S? cp )* S? ')'
4332: *
1.99 daniel 4333: * [ VC: Proper Group/PE Nesting ] applies to [49] and [50]
4334: * TODO Parameter-entity replacement text must be properly nested
4335: * with parenthetized groups. That is to say, if either of the
4336: * opening or closing parentheses in a choice, seq, or Mixed
4337: * construct is contained in the replacement text for a parameter
4338: * entity, both must be contained in the same replacement text. For
4339: * interoperability, if a parameter-entity reference appears in a
4340: * choice, seq, or Mixed construct, its replacement text should not
4341: * be empty, and neither the first nor last non-blank character of
4342: * the replacement text should be a connector (| or ,).
4343: *
1.62 daniel 4344: * returns: the tree of xmlElementContentPtr describing the element
1.61 daniel 4345: * hierarchy.
4346: */
4347: xmlElementContentPtr
1.62 daniel 4348: xmlParseElementChildrenContentDecl(xmlParserCtxtPtr ctxt) {
1.63 daniel 4349: xmlElementContentPtr ret = NULL, cur = NULL, last = NULL, op = NULL;
1.123 daniel 4350: xmlChar *elem;
4351: xmlChar type = 0;
1.62 daniel 4352:
4353: SKIP_BLANKS;
1.94 daniel 4354: GROW;
1.62 daniel 4355: if (CUR == '(') {
1.63 daniel 4356: /* Recurse on first child */
1.62 daniel 4357: NEXT;
4358: SKIP_BLANKS;
4359: cur = ret = xmlParseElementChildrenContentDecl(ctxt);
4360: SKIP_BLANKS;
1.101 daniel 4361: GROW;
1.62 daniel 4362: } else {
4363: elem = xmlParseName(ctxt);
4364: if (elem == NULL) {
4365: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1.74 daniel 4366: ctxt->sax->error(ctxt->userData,
1.62 daniel 4367: "xmlParseElementChildrenContentDecl : Name or '(' expected\n");
1.123 daniel 4368: ctxt->errNo = XML_ERR_ELEMCONTENT_NOT_STARTED;
1.62 daniel 4369: ctxt->wellFormed = 0;
4370: return(NULL);
4371: }
4372: cur = ret = xmlNewElementContent(elem, XML_ELEMENT_CONTENT_ELEMENT);
1.101 daniel 4373: GROW;
1.62 daniel 4374: if (CUR == '?') {
1.104 daniel 4375: cur->ocur = XML_ELEMENT_CONTENT_OPT;
1.62 daniel 4376: NEXT;
4377: } else if (CUR == '*') {
1.104 daniel 4378: cur->ocur = XML_ELEMENT_CONTENT_MULT;
1.62 daniel 4379: NEXT;
4380: } else if (CUR == '+') {
1.104 daniel 4381: cur->ocur = XML_ELEMENT_CONTENT_PLUS;
1.62 daniel 4382: NEXT;
4383: } else {
1.104 daniel 4384: cur->ocur = XML_ELEMENT_CONTENT_ONCE;
1.62 daniel 4385: }
1.119 daniel 4386: xmlFree(elem);
1.101 daniel 4387: GROW;
1.62 daniel 4388: }
4389: SKIP_BLANKS;
1.91 daniel 4390: SHRINK;
1.62 daniel 4391: while (CUR != ')') {
1.63 daniel 4392: /*
4393: * Each loop we parse one separator and one element.
4394: */
1.62 daniel 4395: if (CUR == ',') {
4396: if (type == 0) type = CUR;
4397:
4398: /*
4399: * Detect "Name | Name , Name" error
4400: */
4401: else if (type != CUR) {
4402: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1.74 daniel 4403: ctxt->sax->error(ctxt->userData,
1.62 daniel 4404: "xmlParseElementChildrenContentDecl : '%c' expected\n",
4405: type);
1.123 daniel 4406: ctxt->errNo = XML_ERR_SEPARATOR_REQUIRED;
1.62 daniel 4407: ctxt->wellFormed = 0;
4408: xmlFreeElementContent(ret);
4409: return(NULL);
4410: }
1.64 daniel 4411: NEXT;
1.62 daniel 4412:
1.63 daniel 4413: op = xmlNewElementContent(NULL, XML_ELEMENT_CONTENT_SEQ);
4414: if (op == NULL) {
4415: xmlFreeElementContent(ret);
4416: return(NULL);
4417: }
4418: if (last == NULL) {
4419: op->c1 = ret;
1.65 daniel 4420: ret = cur = op;
1.63 daniel 4421: } else {
4422: cur->c2 = op;
4423: op->c1 = last;
4424: cur =op;
1.65 daniel 4425: last = NULL;
1.63 daniel 4426: }
1.62 daniel 4427: } else if (CUR == '|') {
4428: if (type == 0) type = CUR;
4429:
4430: /*
1.63 daniel 4431: * Detect "Name , Name | Name" error
1.62 daniel 4432: */
4433: else if (type != CUR) {
4434: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1.74 daniel 4435: ctxt->sax->error(ctxt->userData,
1.62 daniel 4436: "xmlParseElementChildrenContentDecl : '%c' expected\n",
4437: type);
1.123 daniel 4438: ctxt->errNo = XML_ERR_SEPARATOR_REQUIRED;
1.62 daniel 4439: ctxt->wellFormed = 0;
4440: xmlFreeElementContent(ret);
4441: return(NULL);
4442: }
1.64 daniel 4443: NEXT;
1.62 daniel 4444:
1.63 daniel 4445: op = xmlNewElementContent(NULL, XML_ELEMENT_CONTENT_OR);
4446: if (op == NULL) {
4447: xmlFreeElementContent(ret);
4448: return(NULL);
4449: }
4450: if (last == NULL) {
4451: op->c1 = ret;
1.65 daniel 4452: ret = cur = op;
1.63 daniel 4453: } else {
4454: cur->c2 = op;
4455: op->c1 = last;
4456: cur =op;
1.65 daniel 4457: last = NULL;
1.63 daniel 4458: }
1.62 daniel 4459: } else {
4460: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1.74 daniel 4461: ctxt->sax->error(ctxt->userData,
1.62 daniel 4462: "xmlParseElementChildrenContentDecl : ',' '|' or ')' expected\n");
4463: ctxt->wellFormed = 0;
1.123 daniel 4464: ctxt->errNo = XML_ERR_ELEMCONTENT_NOT_FINISHED;
1.62 daniel 4465: xmlFreeElementContent(ret);
4466: return(NULL);
4467: }
1.101 daniel 4468: GROW;
1.62 daniel 4469: SKIP_BLANKS;
1.101 daniel 4470: GROW;
1.62 daniel 4471: if (CUR == '(') {
1.63 daniel 4472: /* Recurse on second child */
1.62 daniel 4473: NEXT;
4474: SKIP_BLANKS;
1.65 daniel 4475: last = xmlParseElementChildrenContentDecl(ctxt);
1.62 daniel 4476: SKIP_BLANKS;
4477: } else {
4478: elem = xmlParseName(ctxt);
4479: if (elem == NULL) {
4480: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1.74 daniel 4481: ctxt->sax->error(ctxt->userData,
1.122 daniel 4482: "xmlParseElementChildrenContentDecl : Name or '(' expected\n");
1.123 daniel 4483: ctxt->errNo = XML_ERR_ELEMCONTENT_NOT_STARTED;
1.62 daniel 4484: ctxt->wellFormed = 0;
4485: return(NULL);
4486: }
1.65 daniel 4487: last = xmlNewElementContent(elem, XML_ELEMENT_CONTENT_ELEMENT);
1.119 daniel 4488: xmlFree(elem);
1.105 daniel 4489: if (CUR == '?') {
4490: last->ocur = XML_ELEMENT_CONTENT_OPT;
4491: NEXT;
4492: } else if (CUR == '*') {
4493: last->ocur = XML_ELEMENT_CONTENT_MULT;
4494: NEXT;
4495: } else if (CUR == '+') {
4496: last->ocur = XML_ELEMENT_CONTENT_PLUS;
4497: NEXT;
4498: } else {
4499: last->ocur = XML_ELEMENT_CONTENT_ONCE;
4500: }
1.63 daniel 4501: }
4502: SKIP_BLANKS;
1.97 daniel 4503: GROW;
1.64 daniel 4504: }
1.65 daniel 4505: if ((cur != NULL) && (last != NULL)) {
4506: cur->c2 = last;
1.62 daniel 4507: }
4508: NEXT;
4509: if (CUR == '?') {
4510: ret->ocur = XML_ELEMENT_CONTENT_OPT;
4511: NEXT;
4512: } else if (CUR == '*') {
4513: ret->ocur = XML_ELEMENT_CONTENT_MULT;
4514: NEXT;
4515: } else if (CUR == '+') {
4516: ret->ocur = XML_ELEMENT_CONTENT_PLUS;
4517: NEXT;
4518: }
4519: return(ret);
1.61 daniel 4520: }
4521:
4522: /**
4523: * xmlParseElementContentDecl:
4524: * @ctxt: an XML parser context
4525: * @name: the name of the element being defined.
4526: * @result: the Element Content pointer will be stored here if any
1.22 daniel 4527: *
1.61 daniel 4528: * parse the declaration for an Element content either Mixed or Children,
4529: * the cases EMPTY and ANY are handled directly in xmlParseElementDecl
4530: *
4531: * [46] contentspec ::= 'EMPTY' | 'ANY' | Mixed | children
1.50 daniel 4532: *
1.61 daniel 4533: * returns: the type of element content XML_ELEMENT_TYPE_xxx
1.22 daniel 4534: */
4535:
1.61 daniel 4536: int
1.123 daniel 4537: xmlParseElementContentDecl(xmlParserCtxtPtr ctxt, xmlChar *name,
1.61 daniel 4538: xmlElementContentPtr *result) {
4539:
4540: xmlElementContentPtr tree = NULL;
4541: int res;
4542:
4543: *result = NULL;
4544:
4545: if (CUR != '(') {
4546: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1.74 daniel 4547: ctxt->sax->error(ctxt->userData,
1.61 daniel 4548: "xmlParseElementContentDecl : '(' expected\n");
1.123 daniel 4549: ctxt->errNo = XML_ERR_ELEMCONTENT_NOT_STARTED;
1.61 daniel 4550: ctxt->wellFormed = 0;
4551: return(-1);
4552: }
4553: NEXT;
1.97 daniel 4554: GROW;
1.61 daniel 4555: SKIP_BLANKS;
4556: if ((CUR == '#') && (NXT(1) == 'P') &&
4557: (NXT(2) == 'C') && (NXT(3) == 'D') &&
4558: (NXT(4) == 'A') && (NXT(5) == 'T') &&
4559: (NXT(6) == 'A')) {
1.62 daniel 4560: tree = xmlParseElementMixedContentDecl(ctxt);
1.61 daniel 4561: res = XML_ELEMENT_TYPE_MIXED;
4562: } else {
1.62 daniel 4563: tree = xmlParseElementChildrenContentDecl(ctxt);
1.61 daniel 4564: res = XML_ELEMENT_TYPE_ELEMENT;
4565: }
4566: SKIP_BLANKS;
1.63 daniel 4567: /****************************
1.61 daniel 4568: if (CUR != ')') {
4569: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1.74 daniel 4570: ctxt->sax->error(ctxt->userData,
1.61 daniel 4571: "xmlParseElementContentDecl : ')' expected\n");
4572: ctxt->wellFormed = 0;
4573: return(-1);
4574: }
1.63 daniel 4575: ****************************/
4576: *result = tree;
1.61 daniel 4577: return(res);
1.22 daniel 4578: }
4579:
1.50 daniel 4580: /**
4581: * xmlParseElementDecl:
4582: * @ctxt: an XML parser context
4583: *
4584: * parse an Element declaration.
1.22 daniel 4585: *
4586: * [45] elementdecl ::= '<!ELEMENT' S Name S contentspec S? '>'
4587: *
1.99 daniel 4588: * [ VC: Unique Element Type Declaration ]
1.117 daniel 4589: * No element type may be declared more than once
1.69 daniel 4590: *
4591: * Returns the type of the element, or -1 in case of error
1.22 daniel 4592: */
1.59 daniel 4593: int
1.55 daniel 4594: xmlParseElementDecl(xmlParserCtxtPtr ctxt) {
1.123 daniel 4595: xmlChar *name;
1.59 daniel 4596: int ret = -1;
1.61 daniel 4597: xmlElementContentPtr content = NULL;
1.22 daniel 4598:
1.97 daniel 4599: GROW;
1.40 daniel 4600: if ((CUR == '<') && (NXT(1) == '!') &&
4601: (NXT(2) == 'E') && (NXT(3) == 'L') &&
4602: (NXT(4) == 'E') && (NXT(5) == 'M') &&
4603: (NXT(6) == 'E') && (NXT(7) == 'N') &&
1.59 daniel 4604: (NXT(8) == 'T')) {
1.40 daniel 4605: SKIP(9);
1.59 daniel 4606: if (!IS_BLANK(CUR)) {
4607: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1.74 daniel 4608: ctxt->sax->error(ctxt->userData,
1.59 daniel 4609: "Space required after 'ELEMENT'\n");
1.123 daniel 4610: ctxt->errNo = XML_ERR_SPACE_REQUIRED;
1.59 daniel 4611: ctxt->wellFormed = 0;
4612: }
1.42 daniel 4613: SKIP_BLANKS;
1.22 daniel 4614: name = xmlParseName(ctxt);
4615: if (name == NULL) {
1.55 daniel 4616: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1.74 daniel 4617: ctxt->sax->error(ctxt->userData,
1.59 daniel 4618: "xmlParseElementDecl: no name for Element\n");
1.123 daniel 4619: ctxt->errNo = XML_ERR_NAME_REQUIRED;
1.59 daniel 4620: ctxt->wellFormed = 0;
4621: return(-1);
4622: }
4623: if (!IS_BLANK(CUR)) {
4624: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1.74 daniel 4625: ctxt->sax->error(ctxt->userData,
1.59 daniel 4626: "Space required after the element name\n");
1.123 daniel 4627: ctxt->errNo = XML_ERR_SPACE_REQUIRED;
1.59 daniel 4628: ctxt->wellFormed = 0;
1.22 daniel 4629: }
1.42 daniel 4630: SKIP_BLANKS;
1.40 daniel 4631: if ((CUR == 'E') && (NXT(1) == 'M') &&
4632: (NXT(2) == 'P') && (NXT(3) == 'T') &&
4633: (NXT(4) == 'Y')) {
4634: SKIP(5);
1.22 daniel 4635: /*
4636: * Element must always be empty.
4637: */
1.59 daniel 4638: ret = XML_ELEMENT_TYPE_EMPTY;
1.40 daniel 4639: } else if ((CUR == 'A') && (NXT(1) == 'N') &&
4640: (NXT(2) == 'Y')) {
4641: SKIP(3);
1.22 daniel 4642: /*
4643: * Element is a generic container.
4644: */
1.59 daniel 4645: ret = XML_ELEMENT_TYPE_ANY;
1.61 daniel 4646: } else if (CUR == '(') {
4647: ret = xmlParseElementContentDecl(ctxt, name, &content);
1.22 daniel 4648: } else {
1.98 daniel 4649: /*
4650: * [ WFC: PEs in Internal Subset ] error handling.
4651: */
4652: if ((CUR == '%') && (ctxt->external == 0) &&
4653: (ctxt->inputNr == 1)) {
4654: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
4655: ctxt->sax->error(ctxt->userData,
4656: "PEReference: forbidden within markup decl in internal subset\n");
1.123 daniel 4657: ctxt->errNo = XML_ERR_PEREF_IN_INT_SUBSET;
1.98 daniel 4658: } else {
4659: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
4660: ctxt->sax->error(ctxt->userData,
4661: "xmlParseElementDecl: 'EMPTY', 'ANY' or '(' expected\n");
1.123 daniel 4662: ctxt->errNo = XML_ERR_ELEMCONTENT_NOT_STARTED;
1.98 daniel 4663: }
1.61 daniel 4664: ctxt->wellFormed = 0;
1.119 daniel 4665: if (name != NULL) xmlFree(name);
1.61 daniel 4666: return(-1);
1.22 daniel 4667: }
1.42 daniel 4668: SKIP_BLANKS;
1.40 daniel 4669: if (CUR != '>') {
1.55 daniel 4670: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1.74 daniel 4671: ctxt->sax->error(ctxt->userData,
1.31 daniel 4672: "xmlParseElementDecl: expected '>' at the end\n");
1.123 daniel 4673: ctxt->errNo = XML_ERR_GT_REQUIRED;
1.59 daniel 4674: ctxt->wellFormed = 0;
1.61 daniel 4675: } else {
1.40 daniel 4676: NEXT;
1.72 daniel 4677: if ((ctxt->sax != NULL) && (ctxt->sax->elementDecl != NULL))
1.76 daniel 4678: ctxt->sax->elementDecl(ctxt->userData, name, ret,
4679: content);
1.61 daniel 4680: }
1.84 daniel 4681: if (content != NULL) {
4682: xmlFreeElementContent(content);
4683: }
1.61 daniel 4684: if (name != NULL) {
1.119 daniel 4685: xmlFree(name);
1.61 daniel 4686: }
1.22 daniel 4687: }
1.59 daniel 4688: return(ret);
1.22 daniel 4689: }
4690:
1.50 daniel 4691: /**
4692: * xmlParseMarkupDecl:
4693: * @ctxt: an XML parser context
4694: *
4695: * parse Markup declarations
1.22 daniel 4696: *
4697: * [29] markupdecl ::= elementdecl | AttlistDecl | EntityDecl |
4698: * NotationDecl | PI | Comment
4699: *
1.98 daniel 4700: * [ VC: Proper Declaration/PE Nesting ]
4701: * TODO Parameter-entity replacement text must be properly nested with
4702: * markup declarations. That is to say, if either the first character
4703: * or the last character of a markup declaration (markupdecl above) is
4704: * contained in the replacement text for a parameter-entity reference,
4705: * both must be contained in the same replacement text.
4706: *
4707: * [ WFC: PEs in Internal Subset ]
4708: * In the internal DTD subset, parameter-entity references can occur
4709: * only where markup declarations can occur, not within markup declarations.
4710: * (This does not apply to references that occur in external parameter
4711: * entities or to the external subset.)
1.22 daniel 4712: */
1.55 daniel 4713: void
4714: xmlParseMarkupDecl(xmlParserCtxtPtr ctxt) {
1.94 daniel 4715: GROW;
1.22 daniel 4716: xmlParseElementDecl(ctxt);
4717: xmlParseAttributeListDecl(ctxt);
4718: xmlParseEntityDecl(ctxt);
4719: xmlParseNotationDecl(ctxt);
4720: xmlParsePI(ctxt);
1.114 daniel 4721: xmlParseComment(ctxt);
1.98 daniel 4722: /*
4723: * This is only for internal subset. On external entities,
4724: * the replacement is done before parsing stage
4725: */
4726: if ((ctxt->external == 0) && (ctxt->inputNr == 1))
4727: xmlParsePEReference(ctxt);
1.97 daniel 4728: ctxt->instate = XML_PARSER_DTD;
1.22 daniel 4729: }
4730:
1.50 daniel 4731: /**
1.76 daniel 4732: * xmlParseTextDecl:
4733: * @ctxt: an XML parser context
4734: *
4735: * parse an XML declaration header for external entities
4736: *
4737: * [77] TextDecl ::= '<?xml' VersionInfo? EncodingDecl S? '?>'
4738: *
4739: * Returns the only valuable info for an external parsed entity, the encoding
4740: */
4741:
1.123 daniel 4742: xmlChar *
1.76 daniel 4743: xmlParseTextDecl(xmlParserCtxtPtr ctxt) {
1.123 daniel 4744: xmlChar *version;
4745: xmlChar *encoding = NULL;
1.76 daniel 4746:
4747: /*
4748: * We know that '<?xml' is here.
4749: */
4750: SKIP(5);
4751:
4752: if (!IS_BLANK(CUR)) {
4753: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1.122 daniel 4754: ctxt->sax->error(ctxt->userData,
4755: "Space needed after '<?xml'\n");
1.123 daniel 4756: ctxt->errNo = XML_ERR_SPACE_REQUIRED;
1.76 daniel 4757: ctxt->wellFormed = 0;
4758: }
4759: SKIP_BLANKS;
4760:
4761: /*
4762: * We may have the VersionInfo here.
4763: */
4764: version = xmlParseVersionInfo(ctxt);
4765: if (version == NULL)
4766: version = xmlCharStrdup(XML_DEFAULT_VERSION);
4767: ctxt->version = xmlStrdup(version);
1.119 daniel 4768: xmlFree(version);
1.76 daniel 4769:
4770: /*
4771: * We must have the encoding declaration
4772: */
4773: if (!IS_BLANK(CUR)) {
4774: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1.122 daniel 4775: ctxt->sax->error(ctxt->userData, "Space needed here\n");
1.123 daniel 4776: ctxt->errNo = XML_ERR_SPACE_REQUIRED;
1.76 daniel 4777: ctxt->wellFormed = 0;
4778: }
4779: encoding = xmlParseEncodingDecl(ctxt);
4780:
4781: SKIP_BLANKS;
4782: if ((CUR == '?') && (NXT(1) == '>')) {
4783: SKIP(2);
4784: } else if (CUR == '>') {
4785: /* Deprecated old WD ... */
4786: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1.122 daniel 4787: ctxt->sax->error(ctxt->userData,
4788: "XML declaration must end-up with '?>'\n");
1.123 daniel 4789: ctxt->errNo = XML_ERR_XMLDECL_NOT_FINISHED;
1.76 daniel 4790: ctxt->wellFormed = 0;
4791: NEXT;
4792: } else {
4793: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1.122 daniel 4794: ctxt->sax->error(ctxt->userData,
4795: "parsing XML declaration: '?>' expected\n");
1.123 daniel 4796: ctxt->errNo = XML_ERR_XMLDECL_NOT_FINISHED;
1.76 daniel 4797: ctxt->wellFormed = 0;
4798: MOVETO_ENDTAG(CUR_PTR);
4799: NEXT;
4800: }
4801: return(encoding);
4802: }
4803:
4804: /*
4805: * xmlParseConditionalSections
4806: * @ctxt: an XML parser context
4807: *
4808: * TODO : Conditionnal section are not yet supported !
4809: *
4810: * [61] conditionalSect ::= includeSect | ignoreSect
4811: * [62] includeSect ::= '<![' S? 'INCLUDE' S? '[' extSubsetDecl ']]>'
4812: * [63] ignoreSect ::= '<![' S? 'IGNORE' S? '[' ignoreSectContents* ']]>'
4813: * [64] ignoreSectContents ::= Ignore ('<![' ignoreSectContents ']]>' Ignore)*
4814: * [65] Ignore ::= Char* - (Char* ('<![' | ']]>') Char*)
4815: */
4816:
4817: void
4818: xmlParseConditionalSections(xmlParserCtxtPtr ctxt) {
4819: if ((ctxt->sax != NULL) && (ctxt->sax->warning != NULL))
4820: ctxt->sax->warning(ctxt->userData,
4821: "XML conditional section not supported\n");
4822: /*
4823: * Skip up to the end of the conditionnal section.
4824: */
4825: while ((CUR != 0) && ((CUR != ']') || (NXT(1) != ']') || (NXT(2) != '>')))
4826: NEXT;
4827: if (CUR == 0) {
4828: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
4829: ctxt->sax->error(ctxt->userData,
4830: "XML conditional section not closed\n");
1.123 daniel 4831: ctxt->errNo = XML_ERR_CONDSEC_NOT_FINISHED;
1.76 daniel 4832: ctxt->wellFormed = 0;
4833: }
4834: }
4835:
4836: /**
1.124 daniel 4837: * xmlParseExternalSubset:
1.76 daniel 4838: * @ctxt: an XML parser context
1.124 daniel 4839: * @ExternalID: the external identifier
4840: * @SystemID: the system identifier (or URL)
1.76 daniel 4841: *
4842: * parse Markup declarations from an external subset
4843: *
4844: * [30] extSubset ::= textDecl? extSubsetDecl
4845: *
4846: * [31] extSubsetDecl ::= (markupdecl | conditionalSect | PEReference | S) *
4847: */
4848: void
1.123 daniel 4849: xmlParseExternalSubset(xmlParserCtxtPtr ctxt, const xmlChar *ExternalID,
4850: const xmlChar *SystemID) {
1.132 daniel 4851: GROW;
1.76 daniel 4852: if ((CUR == '<') && (NXT(1) == '?') &&
4853: (NXT(2) == 'x') && (NXT(3) == 'm') &&
4854: (NXT(4) == 'l')) {
1.134 daniel 4855: xmlChar *decl;
4856:
4857: decl = xmlParseTextDecl(ctxt);
4858: if (decl != NULL)
4859: xmlFree(decl);
1.76 daniel 4860: }
1.79 daniel 4861: if (ctxt->myDoc == NULL) {
1.116 daniel 4862: ctxt->myDoc = xmlNewDoc(BAD_CAST "1.0");
1.79 daniel 4863: }
4864: if ((ctxt->myDoc != NULL) && (ctxt->myDoc->intSubset == NULL))
4865: xmlCreateIntSubset(ctxt->myDoc, NULL, ExternalID, SystemID);
4866:
1.96 daniel 4867: ctxt->instate = XML_PARSER_DTD;
1.101 daniel 4868: ctxt->external = 1;
1.76 daniel 4869: while (((CUR == '<') && (NXT(1) == '?')) ||
4870: ((CUR == '<') && (NXT(1) == '!')) ||
4871: IS_BLANK(CUR)) {
1.123 daniel 4872: const xmlChar *check = CUR_PTR;
1.115 daniel 4873: int cons = ctxt->input->consumed;
4874:
1.76 daniel 4875: if ((CUR == '<') && (NXT(1) == '!') && (NXT(2) == '[')) {
4876: xmlParseConditionalSections(ctxt);
4877: } else if (IS_BLANK(CUR)) {
4878: NEXT;
4879: } else if (CUR == '%') {
4880: xmlParsePEReference(ctxt);
4881: } else
4882: xmlParseMarkupDecl(ctxt);
1.77 daniel 4883:
4884: /*
4885: * Pop-up of finished entities.
4886: */
4887: while ((CUR == 0) && (ctxt->inputNr > 1))
4888: xmlPopInput(ctxt);
4889:
1.115 daniel 4890: if ((CUR_PTR == check) && (cons == ctxt->input->consumed)) {
4891: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
4892: ctxt->sax->error(ctxt->userData,
4893: "Content error in the external subset\n");
4894: ctxt->wellFormed = 0;
1.123 daniel 4895: ctxt->errNo = XML_ERR_EXT_SUBSET_NOT_FINISHED;
1.115 daniel 4896: break;
4897: }
1.76 daniel 4898: }
4899:
4900: if (CUR != 0) {
4901: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
4902: ctxt->sax->error(ctxt->userData,
4903: "Extra content at the end of the document\n");
1.123 daniel 4904: ctxt->errNo = XML_ERR_EXT_SUBSET_NOT_FINISHED;
1.76 daniel 4905: ctxt->wellFormed = 0;
4906: }
4907:
4908: }
4909:
4910: /**
1.77 daniel 4911: * xmlParseReference:
4912: * @ctxt: an XML parser context
4913: *
4914: * parse and handle entity references in content, depending on the SAX
4915: * interface, this may end-up in a call to character() if this is a
1.79 daniel 4916: * CharRef, a predefined entity, if there is no reference() callback.
4917: * or if the parser was asked to switch to that mode.
1.77 daniel 4918: *
4919: * [67] Reference ::= EntityRef | CharRef
4920: */
4921: void
4922: xmlParseReference(xmlParserCtxtPtr ctxt) {
4923: xmlEntityPtr ent;
1.123 daniel 4924: xmlChar *val;
1.77 daniel 4925: if (CUR != '&') return;
4926:
1.113 daniel 4927: if (ctxt->inputNr > 1) {
1.123 daniel 4928: xmlChar cur[2] = { '&' , 0 } ;
1.113 daniel 4929:
4930: if ((ctxt->sax != NULL) && (ctxt->sax->characters != NULL))
4931: ctxt->sax->characters(ctxt->userData, cur, 1);
4932: if (ctxt->token == '&')
4933: ctxt->token = 0;
4934: else {
4935: SKIP(1);
4936: }
4937: return;
4938: }
1.77 daniel 4939: if (NXT(1) == '#') {
1.123 daniel 4940: xmlChar out[2];
1.77 daniel 4941: int val = xmlParseCharRef(ctxt);
1.117 daniel 4942: /* invalid for UTF-8 variable encoding !!!!! */
1.77 daniel 4943: out[0] = val;
4944: out[1] = 0;
4945: if ((ctxt->sax != NULL) && (ctxt->sax->characters != NULL))
4946: ctxt->sax->characters(ctxt->userData, out, 1);
4947: } else {
4948: ent = xmlParseEntityRef(ctxt);
4949: if (ent == NULL) return;
4950: if ((ent->name != NULL) &&
1.113 daniel 4951: (ent->type != XML_INTERNAL_PREDEFINED_ENTITY)) {
4952: if ((ctxt->sax != NULL) && (ctxt->sax->reference != NULL) &&
4953: (ctxt->replaceEntities == 0)) {
4954: /*
4955: * Create a node.
4956: */
4957: ctxt->sax->reference(ctxt->userData, ent->name);
4958: return;
4959: } else if (ctxt->replaceEntities) {
4960: xmlParserInputPtr input;
1.79 daniel 4961:
1.113 daniel 4962: input = xmlNewEntityInputStream(ctxt, ent);
4963: xmlPushInput(ctxt, input);
4964: return;
4965: }
1.77 daniel 4966: }
4967: val = ent->content;
4968: if (val == NULL) return;
4969: /*
4970: * inline the entity.
4971: */
4972: if ((ctxt->sax != NULL) && (ctxt->sax->characters != NULL))
4973: ctxt->sax->characters(ctxt->userData, val, xmlStrlen(val));
4974: }
1.24 daniel 4975: }
4976:
1.50 daniel 4977: /**
4978: * xmlParseEntityRef:
4979: * @ctxt: an XML parser context
4980: *
4981: * parse ENTITY references declarations
1.24 daniel 4982: *
4983: * [68] EntityRef ::= '&' Name ';'
1.68 daniel 4984: *
1.98 daniel 4985: * [ WFC: Entity Declared ]
4986: * In a document without any DTD, a document with only an internal DTD
4987: * subset which contains no parameter entity references, or a document
4988: * with "standalone='yes'", the Name given in the entity reference
4989: * must match that in an entity declaration, except that well-formed
4990: * documents need not declare any of the following entities: amp, lt,
4991: * gt, apos, quot. The declaration of a parameter entity must precede
4992: * any reference to it. Similarly, the declaration of a general entity
4993: * must precede any reference to it which appears in a default value in an
4994: * attribute-list declaration. Note that if entities are declared in the
4995: * external subset or in external parameter entities, a non-validating
4996: * processor is not obligated to read and process their declarations;
4997: * for such documents, the rule that an entity must be declared is a
4998: * well-formedness constraint only if standalone='yes'.
4999: *
5000: * [ WFC: Parsed Entity ]
5001: * An entity reference must not contain the name of an unparsed entity
5002: *
1.77 daniel 5003: * Returns the xmlEntityPtr if found, or NULL otherwise.
1.24 daniel 5004: */
1.77 daniel 5005: xmlEntityPtr
1.55 daniel 5006: xmlParseEntityRef(xmlParserCtxtPtr ctxt) {
1.123 daniel 5007: xmlChar *name;
1.72 daniel 5008: xmlEntityPtr ent = NULL;
1.24 daniel 5009:
1.91 daniel 5010: GROW;
1.111 daniel 5011:
1.40 daniel 5012: if (CUR == '&') {
5013: NEXT;
1.24 daniel 5014: name = xmlParseName(ctxt);
5015: if (name == NULL) {
1.55 daniel 5016: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1.98 daniel 5017: ctxt->sax->error(ctxt->userData,
5018: "xmlParseEntityRef: no name\n");
1.123 daniel 5019: ctxt->errNo = XML_ERR_NAME_REQUIRED;
1.59 daniel 5020: ctxt->wellFormed = 0;
1.24 daniel 5021: } else {
1.40 daniel 5022: if (CUR == ';') {
5023: NEXT;
1.24 daniel 5024: /*
1.77 daniel 5025: * Ask first SAX for entity resolution, otherwise try the
5026: * predefined set.
5027: */
5028: if (ctxt->sax != NULL) {
5029: if (ctxt->sax->getEntity != NULL)
5030: ent = ctxt->sax->getEntity(ctxt->userData, name);
5031: if (ent == NULL)
5032: ent = xmlGetPredefinedEntity(name);
5033: }
5034: /*
1.98 daniel 5035: * [ WFC: Entity Declared ]
5036: * In a document without any DTD, a document with only an
5037: * internal DTD subset which contains no parameter entity
5038: * references, or a document with "standalone='yes'", the
5039: * Name given in the entity reference must match that in an
5040: * entity declaration, except that well-formed documents
5041: * need not declare any of the following entities: amp, lt,
5042: * gt, apos, quot.
5043: * The declaration of a parameter entity must precede any
5044: * reference to it.
5045: * Similarly, the declaration of a general entity must
5046: * precede any reference to it which appears in a default
5047: * value in an attribute-list declaration. Note that if
5048: * entities are declared in the external subset or in
5049: * external parameter entities, a non-validating processor
5050: * is not obligated to read and process their declarations;
5051: * for such documents, the rule that an entity must be
5052: * declared is a well-formedness constraint only if
5053: * standalone='yes'.
1.59 daniel 5054: */
1.77 daniel 5055: if (ent == NULL) {
1.98 daniel 5056: if ((ctxt->standalone == 1) ||
5057: ((ctxt->hasExternalSubset == 0) &&
5058: (ctxt->hasPErefs == 0))) {
5059: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1.77 daniel 5060: ctxt->sax->error(ctxt->userData,
5061: "Entity '%s' not defined\n", name);
1.123 daniel 5062: ctxt->errNo = XML_ERR_UNDECLARED_ENTITY;
1.77 daniel 5063: ctxt->wellFormed = 0;
5064: } else {
1.98 daniel 5065: if ((ctxt->sax != NULL) && (ctxt->sax->warning != NULL))
5066: ctxt->sax->warning(ctxt->userData,
5067: "Entity '%s' not defined\n", name);
1.123 daniel 5068: ctxt->errNo = XML_WAR_UNDECLARED_ENTITY;
1.59 daniel 5069: }
1.77 daniel 5070: }
1.59 daniel 5071:
5072: /*
1.98 daniel 5073: * [ WFC: Parsed Entity ]
5074: * An entity reference must not contain the name of an
5075: * unparsed entity
5076: */
5077: else if (ent->type == XML_EXTERNAL_GENERAL_UNPARSED_ENTITY) {
5078: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
5079: ctxt->sax->error(ctxt->userData,
5080: "Entity reference to unparsed entity %s\n", name);
1.123 daniel 5081: ctxt->errNo = XML_ERR_UNPARSED_ENTITY;
1.98 daniel 5082: ctxt->wellFormed = 0;
5083: }
5084:
5085: /*
5086: * [ WFC: No External Entity References ]
5087: * Attribute values cannot contain direct or indirect
5088: * entity references to external entities.
5089: */
5090: else if ((ctxt->instate == XML_PARSER_ATTRIBUTE_VALUE) &&
5091: (ent->type == XML_EXTERNAL_GENERAL_PARSED_ENTITY)) {
5092: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
5093: ctxt->sax->error(ctxt->userData,
5094: "Attribute references external entity '%s'\n", name);
1.123 daniel 5095: ctxt->errNo = XML_ERR_ENTITY_IS_EXTERNAL;
1.98 daniel 5096: ctxt->wellFormed = 0;
5097: }
5098: /*
5099: * [ WFC: No < in Attribute Values ]
5100: * The replacement text of any entity referred to directly or
5101: * indirectly in an attribute value (other than "<") must
5102: * not contain a <.
1.59 daniel 5103: */
1.98 daniel 5104: else if ((ctxt->instate == XML_PARSER_ATTRIBUTE_VALUE) &&
1.116 daniel 5105: (ent != NULL) &&
5106: (xmlStrcmp(ent->name, BAD_CAST "lt")) &&
1.98 daniel 5107: (ent->content != NULL) &&
5108: (xmlStrchr(ent->content, '<'))) {
5109: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
5110: ctxt->sax->error(ctxt->userData,
5111: "'<' in entity '%s' is not allowed in attributes values\n", name);
1.123 daniel 5112: ctxt->errNo = XML_ERR_LT_IN_ATTRIBUTE;
1.98 daniel 5113: ctxt->wellFormed = 0;
5114: }
5115:
5116: /*
5117: * Internal check, no parameter entities here ...
5118: */
5119: else {
1.59 daniel 5120: switch (ent->type) {
5121: case XML_INTERNAL_PARAMETER_ENTITY:
5122: case XML_EXTERNAL_PARAMETER_ENTITY:
5123: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1.74 daniel 5124: ctxt->sax->error(ctxt->userData,
1.59 daniel 5125: "Attempt to reference the parameter entity '%s'\n", name);
1.123 daniel 5126: ctxt->errNo = XML_ERR_ENTITY_IS_PARAMETER;
1.59 daniel 5127: ctxt->wellFormed = 0;
5128: break;
5129: }
5130: }
5131:
5132: /*
1.98 daniel 5133: * [ WFC: No Recursion ]
1.117 daniel 5134: * TODO A parsed entity must not contain a recursive reference
5135: * to itself, either directly or indirectly.
1.59 daniel 5136: */
1.77 daniel 5137:
1.24 daniel 5138: } else {
1.55 daniel 5139: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1.74 daniel 5140: ctxt->sax->error(ctxt->userData,
1.59 daniel 5141: "xmlParseEntityRef: expecting ';'\n");
1.123 daniel 5142: ctxt->errNo = XML_ERR_ENTITYREF_SEMICOL_MISSING;
1.59 daniel 5143: ctxt->wellFormed = 0;
1.24 daniel 5144: }
1.119 daniel 5145: xmlFree(name);
1.24 daniel 5146: }
5147: }
1.77 daniel 5148: return(ent);
1.24 daniel 5149: }
1.135 daniel 5150: /**
5151: * xmlParseStringEntityRef:
5152: * @ctxt: an XML parser context
5153: * @str: a pointer to an index in the string
5154: *
5155: * parse ENTITY references declarations, but this version parses it from
5156: * a string value.
5157: *
5158: * [68] EntityRef ::= '&' Name ';'
5159: *
5160: * [ WFC: Entity Declared ]
5161: * In a document without any DTD, a document with only an internal DTD
5162: * subset which contains no parameter entity references, or a document
5163: * with "standalone='yes'", the Name given in the entity reference
5164: * must match that in an entity declaration, except that well-formed
5165: * documents need not declare any of the following entities: amp, lt,
5166: * gt, apos, quot. The declaration of a parameter entity must precede
5167: * any reference to it. Similarly, the declaration of a general entity
5168: * must precede any reference to it which appears in a default value in an
5169: * attribute-list declaration. Note that if entities are declared in the
5170: * external subset or in external parameter entities, a non-validating
5171: * processor is not obligated to read and process their declarations;
5172: * for such documents, the rule that an entity must be declared is a
5173: * well-formedness constraint only if standalone='yes'.
5174: *
5175: * [ WFC: Parsed Entity ]
5176: * An entity reference must not contain the name of an unparsed entity
5177: *
5178: * Returns the xmlEntityPtr if found, or NULL otherwise. The str pointer
5179: * is updated to the current location in the string.
5180: */
5181: xmlEntityPtr
5182: xmlParseStringEntityRef(xmlParserCtxtPtr ctxt, const xmlChar ** str) {
5183: xmlChar *name;
5184: const xmlChar *ptr;
5185: xmlChar cur;
5186: xmlEntityPtr ent = NULL;
5187:
5188: GROW;
5189:
5190: if ((str == NULL) || (*str == NULL)) return(NULL); /* !!! */
5191: ptr = *str;
5192: cur = *ptr;
5193: if (cur == '&') {
5194: ptr++;
5195: cur = *ptr;
5196: name = xmlParseStringName(ctxt, &ptr);
5197: if (name == NULL) {
5198: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
5199: ctxt->sax->error(ctxt->userData,
5200: "xmlParseEntityRef: no name\n");
5201: ctxt->errNo = XML_ERR_NAME_REQUIRED;
5202: ctxt->wellFormed = 0;
5203: } else {
5204: if (CUR == ';') {
5205: NEXT;
5206: /*
5207: * Ask first SAX for entity resolution, otherwise try the
5208: * predefined set.
5209: */
5210: if (ctxt->sax != NULL) {
5211: if (ctxt->sax->getEntity != NULL)
5212: ent = ctxt->sax->getEntity(ctxt->userData, name);
5213: if (ent == NULL)
5214: ent = xmlGetPredefinedEntity(name);
5215: }
5216: /*
5217: * [ WFC: Entity Declared ]
5218: * In a document without any DTD, a document with only an
5219: * internal DTD subset which contains no parameter entity
5220: * references, or a document with "standalone='yes'", the
5221: * Name given in the entity reference must match that in an
5222: * entity declaration, except that well-formed documents
5223: * need not declare any of the following entities: amp, lt,
5224: * gt, apos, quot.
5225: * The declaration of a parameter entity must precede any
5226: * reference to it.
5227: * Similarly, the declaration of a general entity must
5228: * precede any reference to it which appears in a default
5229: * value in an attribute-list declaration. Note that if
5230: * entities are declared in the external subset or in
5231: * external parameter entities, a non-validating processor
5232: * is not obligated to read and process their declarations;
5233: * for such documents, the rule that an entity must be
5234: * declared is a well-formedness constraint only if
5235: * standalone='yes'.
5236: */
5237: if (ent == NULL) {
5238: if ((ctxt->standalone == 1) ||
5239: ((ctxt->hasExternalSubset == 0) &&
5240: (ctxt->hasPErefs == 0))) {
5241: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
5242: ctxt->sax->error(ctxt->userData,
5243: "Entity '%s' not defined\n", name);
5244: ctxt->errNo = XML_ERR_UNDECLARED_ENTITY;
5245: ctxt->wellFormed = 0;
5246: } else {
5247: if ((ctxt->sax != NULL) && (ctxt->sax->warning != NULL))
5248: ctxt->sax->warning(ctxt->userData,
5249: "Entity '%s' not defined\n", name);
5250: ctxt->errNo = XML_WAR_UNDECLARED_ENTITY;
5251: }
5252: }
5253:
5254: /*
5255: * [ WFC: Parsed Entity ]
5256: * An entity reference must not contain the name of an
5257: * unparsed entity
5258: */
5259: else if (ent->type == XML_EXTERNAL_GENERAL_UNPARSED_ENTITY) {
5260: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
5261: ctxt->sax->error(ctxt->userData,
5262: "Entity reference to unparsed entity %s\n", name);
5263: ctxt->errNo = XML_ERR_UNPARSED_ENTITY;
5264: ctxt->wellFormed = 0;
5265: }
5266:
5267: /*
5268: * [ WFC: No External Entity References ]
5269: * Attribute values cannot contain direct or indirect
5270: * entity references to external entities.
5271: */
5272: else if ((ctxt->instate == XML_PARSER_ATTRIBUTE_VALUE) &&
5273: (ent->type == XML_EXTERNAL_GENERAL_PARSED_ENTITY)) {
5274: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
5275: ctxt->sax->error(ctxt->userData,
5276: "Attribute references external entity '%s'\n", name);
5277: ctxt->errNo = XML_ERR_ENTITY_IS_EXTERNAL;
5278: ctxt->wellFormed = 0;
5279: }
5280: /*
5281: * [ WFC: No < in Attribute Values ]
5282: * The replacement text of any entity referred to directly or
5283: * indirectly in an attribute value (other than "<") must
5284: * not contain a <.
5285: */
5286: else if ((ctxt->instate == XML_PARSER_ATTRIBUTE_VALUE) &&
5287: (ent != NULL) &&
5288: (xmlStrcmp(ent->name, BAD_CAST "lt")) &&
5289: (ent->content != NULL) &&
5290: (xmlStrchr(ent->content, '<'))) {
5291: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
5292: ctxt->sax->error(ctxt->userData,
5293: "'<' in entity '%s' is not allowed in attributes values\n", name);
5294: ctxt->errNo = XML_ERR_LT_IN_ATTRIBUTE;
5295: ctxt->wellFormed = 0;
5296: }
5297:
5298: /*
5299: * Internal check, no parameter entities here ...
5300: */
5301: else {
5302: switch (ent->type) {
5303: case XML_INTERNAL_PARAMETER_ENTITY:
5304: case XML_EXTERNAL_PARAMETER_ENTITY:
5305: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
5306: ctxt->sax->error(ctxt->userData,
5307: "Attempt to reference the parameter entity '%s'\n", name);
5308: ctxt->errNo = XML_ERR_ENTITY_IS_PARAMETER;
5309: ctxt->wellFormed = 0;
5310: break;
5311: }
5312: }
5313:
5314: /*
5315: * [ WFC: No Recursion ]
5316: * TODO A parsed entity must not contain a recursive reference
5317: * to itself, either directly or indirectly.
5318: */
5319:
5320: } else {
5321: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
5322: ctxt->sax->error(ctxt->userData,
5323: "xmlParseEntityRef: expecting ';'\n");
5324: ctxt->errNo = XML_ERR_ENTITYREF_SEMICOL_MISSING;
5325: ctxt->wellFormed = 0;
5326: }
5327: xmlFree(name);
5328: }
5329: }
5330: return(ent);
5331: }
1.24 daniel 5332:
1.50 daniel 5333: /**
5334: * xmlParsePEReference:
5335: * @ctxt: an XML parser context
5336: *
5337: * parse PEReference declarations
1.77 daniel 5338: * The entity content is handled directly by pushing it's content as
5339: * a new input stream.
1.22 daniel 5340: *
5341: * [69] PEReference ::= '%' Name ';'
1.68 daniel 5342: *
1.98 daniel 5343: * [ WFC: No Recursion ]
5344: * TODO A parsed entity must not contain a recursive
5345: * reference to itself, either directly or indirectly.
5346: *
5347: * [ WFC: Entity Declared ]
5348: * In a document without any DTD, a document with only an internal DTD
5349: * subset which contains no parameter entity references, or a document
5350: * with "standalone='yes'", ... ... The declaration of a parameter
5351: * entity must precede any reference to it...
5352: *
5353: * [ VC: Entity Declared ]
5354: * In a document with an external subset or external parameter entities
5355: * with "standalone='no'", ... ... The declaration of a parameter entity
5356: * must precede any reference to it...
5357: *
5358: * [ WFC: In DTD ]
5359: * Parameter-entity references may only appear in the DTD.
5360: * NOTE: misleading but this is handled.
1.22 daniel 5361: */
1.77 daniel 5362: void
1.55 daniel 5363: xmlParsePEReference(xmlParserCtxtPtr ctxt) {
1.123 daniel 5364: xmlChar *name;
1.72 daniel 5365: xmlEntityPtr entity = NULL;
1.50 daniel 5366: xmlParserInputPtr input;
1.22 daniel 5367:
1.40 daniel 5368: if (CUR == '%') {
5369: NEXT;
1.22 daniel 5370: name = xmlParseName(ctxt);
5371: if (name == NULL) {
1.55 daniel 5372: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1.122 daniel 5373: ctxt->sax->error(ctxt->userData,
5374: "xmlParsePEReference: no name\n");
1.123 daniel 5375: ctxt->errNo = XML_ERR_NAME_REQUIRED;
1.59 daniel 5376: ctxt->wellFormed = 0;
1.22 daniel 5377: } else {
1.40 daniel 5378: if (CUR == ';') {
5379: NEXT;
1.98 daniel 5380: if ((ctxt->sax != NULL) &&
5381: (ctxt->sax->getParameterEntity != NULL))
5382: entity = ctxt->sax->getParameterEntity(ctxt->userData,
5383: name);
1.45 daniel 5384: if (entity == NULL) {
1.98 daniel 5385: /*
5386: * [ WFC: Entity Declared ]
5387: * In a document without any DTD, a document with only an
5388: * internal DTD subset which contains no parameter entity
5389: * references, or a document with "standalone='yes'", ...
5390: * ... The declaration of a parameter entity must precede
5391: * any reference to it...
5392: */
5393: if ((ctxt->standalone == 1) ||
5394: ((ctxt->hasExternalSubset == 0) &&
5395: (ctxt->hasPErefs == 0))) {
5396: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
5397: ctxt->sax->error(ctxt->userData,
5398: "PEReference: %%%s; not found\n", name);
1.123 daniel 5399: ctxt->errNo = XML_ERR_UNDECLARED_ENTITY;
1.98 daniel 5400: ctxt->wellFormed = 0;
5401: } else {
5402: /*
5403: * [ VC: Entity Declared ]
5404: * In a document with an external subset or external
5405: * parameter entities with "standalone='no'", ...
5406: * ... The declaration of a parameter entity must precede
5407: * any reference to it...
5408: */
5409: if ((ctxt->sax != NULL) && (ctxt->sax->warning != NULL))
5410: ctxt->sax->warning(ctxt->userData,
5411: "PEReference: %%%s; not found\n", name);
5412: ctxt->valid = 0;
5413: }
1.50 daniel 5414: } else {
1.98 daniel 5415: /*
5416: * Internal checking in case the entity quest barfed
5417: */
5418: if ((entity->type != XML_INTERNAL_PARAMETER_ENTITY) &&
5419: (entity->type != XML_EXTERNAL_PARAMETER_ENTITY)) {
5420: if ((ctxt->sax != NULL) && (ctxt->sax->warning != NULL))
5421: ctxt->sax->warning(ctxt->userData,
5422: "Internal: %%%s; is not a parameter entity\n", name);
5423: } else {
5424: input = xmlNewEntityInputStream(ctxt, entity);
5425: xmlPushInput(ctxt, input);
5426: }
1.45 daniel 5427: }
1.98 daniel 5428: ctxt->hasPErefs = 1;
1.22 daniel 5429: } else {
1.55 daniel 5430: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1.74 daniel 5431: ctxt->sax->error(ctxt->userData,
1.59 daniel 5432: "xmlParsePEReference: expecting ';'\n");
1.123 daniel 5433: ctxt->errNo = XML_ERR_ENTITYREF_SEMICOL_MISSING;
1.59 daniel 5434: ctxt->wellFormed = 0;
1.22 daniel 5435: }
1.119 daniel 5436: xmlFree(name);
1.3 veillard 5437: }
5438: }
5439: }
5440:
1.50 daniel 5441: /**
1.135 daniel 5442: * xmlParseStringPEReference:
5443: * @ctxt: an XML parser context
5444: * @str: a pointer to an index in the string
5445: *
5446: * parse PEReference declarations
5447: *
5448: * [69] PEReference ::= '%' Name ';'
5449: *
5450: * [ WFC: No Recursion ]
5451: * TODO A parsed entity must not contain a recursive
5452: * reference to itself, either directly or indirectly.
5453: *
5454: * [ WFC: Entity Declared ]
5455: * In a document without any DTD, a document with only an internal DTD
5456: * subset which contains no parameter entity references, or a document
5457: * with "standalone='yes'", ... ... The declaration of a parameter
5458: * entity must precede any reference to it...
5459: *
5460: * [ VC: Entity Declared ]
5461: * In a document with an external subset or external parameter entities
5462: * with "standalone='no'", ... ... The declaration of a parameter entity
5463: * must precede any reference to it...
5464: *
5465: * [ WFC: In DTD ]
5466: * Parameter-entity references may only appear in the DTD.
5467: * NOTE: misleading but this is handled.
5468: *
5469: * Returns the string of the entity content.
5470: * str is updated to the current value of the index
5471: */
5472: xmlEntityPtr
5473: xmlParseStringPEReference(xmlParserCtxtPtr ctxt, const xmlChar **str) {
5474: const xmlChar *ptr;
5475: xmlChar cur;
5476: xmlChar *name;
5477: xmlEntityPtr entity = NULL;
5478:
5479: if ((str == NULL) || (*str == NULL)) return(NULL);
5480: ptr = *str;
5481: cur = *ptr;
5482: if (cur == '%') {
5483: ptr++;
5484: cur = *ptr;
5485: name = xmlParseStringName(ctxt, &ptr);
5486: if (name == NULL) {
5487: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
5488: ctxt->sax->error(ctxt->userData,
5489: "xmlParseStringPEReference: no name\n");
5490: ctxt->errNo = XML_ERR_NAME_REQUIRED;
5491: ctxt->wellFormed = 0;
5492: } else {
5493: cur = *ptr;
5494: if (cur == ';') {
5495: ptr++;
5496: cur = *ptr;
5497: if ((ctxt->sax != NULL) &&
5498: (ctxt->sax->getParameterEntity != NULL))
5499: entity = ctxt->sax->getParameterEntity(ctxt->userData,
5500: name);
5501: if (entity == NULL) {
5502: /*
5503: * [ WFC: Entity Declared ]
5504: * In a document without any DTD, a document with only an
5505: * internal DTD subset which contains no parameter entity
5506: * references, or a document with "standalone='yes'", ...
5507: * ... The declaration of a parameter entity must precede
5508: * any reference to it...
5509: */
5510: if ((ctxt->standalone == 1) ||
5511: ((ctxt->hasExternalSubset == 0) &&
5512: (ctxt->hasPErefs == 0))) {
5513: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
5514: ctxt->sax->error(ctxt->userData,
5515: "PEReference: %%%s; not found\n", name);
5516: ctxt->errNo = XML_ERR_UNDECLARED_ENTITY;
5517: ctxt->wellFormed = 0;
5518: } else {
5519: /*
5520: * [ VC: Entity Declared ]
5521: * In a document with an external subset or external
5522: * parameter entities with "standalone='no'", ...
5523: * ... The declaration of a parameter entity must
5524: * precede any reference to it...
5525: */
5526: if ((ctxt->sax != NULL) && (ctxt->sax->warning != NULL))
5527: ctxt->sax->warning(ctxt->userData,
5528: "PEReference: %%%s; not found\n", name);
5529: ctxt->valid = 0;
5530: }
5531: } else {
5532: /*
5533: * Internal checking in case the entity quest barfed
5534: */
5535: if ((entity->type != XML_INTERNAL_PARAMETER_ENTITY) &&
5536: (entity->type != XML_EXTERNAL_PARAMETER_ENTITY)) {
5537: if ((ctxt->sax != NULL) && (ctxt->sax->warning != NULL))
5538: ctxt->sax->warning(ctxt->userData,
5539: "Internal: %%%s; is not a parameter entity\n", name);
5540: }
5541: }
5542: ctxt->hasPErefs = 1;
5543: } else {
5544: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
5545: ctxt->sax->error(ctxt->userData,
5546: "xmlParseStringPEReference: expecting ';'\n");
5547: ctxt->errNo = XML_ERR_ENTITYREF_SEMICOL_MISSING;
5548: ctxt->wellFormed = 0;
5549: }
5550: xmlFree(name);
5551: }
5552: }
5553: *str = ptr;
5554: return(entity);
5555: }
5556:
5557: /**
1.50 daniel 5558: * xmlParseDocTypeDecl :
5559: * @ctxt: an XML parser context
5560: *
5561: * parse a DOCTYPE declaration
1.21 daniel 5562: *
1.22 daniel 5563: * [28] doctypedecl ::= '<!DOCTYPE' S Name (S ExternalID)? S?
5564: * ('[' (markupdecl | PEReference | S)* ']' S?)? '>'
1.98 daniel 5565: *
5566: * [ VC: Root Element Type ]
1.99 daniel 5567: * The Name in the document type declaration must match the element
1.98 daniel 5568: * type of the root element.
1.21 daniel 5569: */
5570:
1.55 daniel 5571: void
5572: xmlParseDocTypeDecl(xmlParserCtxtPtr ctxt) {
1.123 daniel 5573: xmlChar *name;
5574: xmlChar *ExternalID = NULL;
5575: xmlChar *URI = NULL;
1.21 daniel 5576:
5577: /*
5578: * We know that '<!DOCTYPE' has been detected.
5579: */
1.40 daniel 5580: SKIP(9);
1.21 daniel 5581:
1.42 daniel 5582: SKIP_BLANKS;
1.21 daniel 5583:
5584: /*
5585: * Parse the DOCTYPE name.
5586: */
5587: name = xmlParseName(ctxt);
5588: if (name == NULL) {
1.55 daniel 5589: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1.122 daniel 5590: ctxt->sax->error(ctxt->userData,
5591: "xmlParseDocTypeDecl : no DOCTYPE name !\n");
1.59 daniel 5592: ctxt->wellFormed = 0;
1.123 daniel 5593: ctxt->errNo = XML_ERR_NAME_REQUIRED;
1.21 daniel 5594: }
5595:
1.42 daniel 5596: SKIP_BLANKS;
1.21 daniel 5597:
5598: /*
1.22 daniel 5599: * Check for SystemID and ExternalID
5600: */
1.67 daniel 5601: URI = xmlParseExternalID(ctxt, &ExternalID, 1);
1.98 daniel 5602:
5603: if ((URI != NULL) || (ExternalID != NULL)) {
5604: ctxt->hasExternalSubset = 1;
5605: }
5606:
1.42 daniel 5607: SKIP_BLANKS;
1.36 daniel 5608:
1.76 daniel 5609: /*
5610: * NOTE: the SAX callback may try to fetch the external subset
5611: * entity and fill it up !
5612: */
1.72 daniel 5613: if ((ctxt->sax != NULL) && (ctxt->sax->internalSubset != NULL))
1.74 daniel 5614: ctxt->sax->internalSubset(ctxt->userData, name, ExternalID, URI);
1.22 daniel 5615:
5616: /*
1.140 daniel 5617: * Cleanup
5618: */
5619: if (URI != NULL) xmlFree(URI);
5620: if (ExternalID != NULL) xmlFree(ExternalID);
5621: if (name != NULL) xmlFree(name);
5622:
5623: /*
5624: * Is there any internal subset declarations ?
5625: * they are handled separately in xmlParseInternalSubset()
5626: */
5627: if (CUR == '[')
5628: return;
5629:
5630: /*
5631: * We should be at the end of the DOCTYPE declaration.
5632: */
5633: if (CUR != '>') {
5634: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
5635: ctxt->sax->error(ctxt->userData, "DOCTYPE unproperly terminated\n");
5636: ctxt->wellFormed = 0;
5637: ctxt->errNo = XML_ERR_DOCTYPE_NOT_FINISHED;
5638: }
5639: NEXT;
5640: }
5641:
5642: /**
5643: * xmlParseInternalsubset :
5644: * @ctxt: an XML parser context
5645: *
5646: * parse the internal subset declaration
5647: *
5648: * [28 end] ('[' (markupdecl | PEReference | S)* ']' S?)? '>'
5649: */
5650:
5651: void
5652: xmlParseInternalSubset(xmlParserCtxtPtr ctxt) {
5653: /*
1.22 daniel 5654: * Is there any DTD definition ?
5655: */
1.40 daniel 5656: if (CUR == '[') {
1.96 daniel 5657: ctxt->instate = XML_PARSER_DTD;
1.40 daniel 5658: NEXT;
1.22 daniel 5659: /*
5660: * Parse the succession of Markup declarations and
5661: * PEReferences.
5662: * Subsequence (markupdecl | PEReference | S)*
5663: */
1.40 daniel 5664: while (CUR != ']') {
1.123 daniel 5665: const xmlChar *check = CUR_PTR;
1.115 daniel 5666: int cons = ctxt->input->consumed;
1.22 daniel 5667:
1.42 daniel 5668: SKIP_BLANKS;
1.22 daniel 5669: xmlParseMarkupDecl(ctxt);
1.50 daniel 5670: xmlParsePEReference(ctxt);
1.22 daniel 5671:
1.115 daniel 5672: /*
5673: * Pop-up of finished entities.
5674: */
5675: while ((CUR == 0) && (ctxt->inputNr > 1))
5676: xmlPopInput(ctxt);
5677:
1.118 daniel 5678: if ((CUR_PTR == check) && (cons == ctxt->input->consumed)) {
1.55 daniel 5679: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1.74 daniel 5680: ctxt->sax->error(ctxt->userData,
1.140 daniel 5681: "xmlParseInternalSubset: error detected in Markup declaration\n");
1.59 daniel 5682: ctxt->wellFormed = 0;
1.123 daniel 5683: ctxt->errNo = XML_ERR_INTERNAL_ERROR;
1.22 daniel 5684: break;
5685: }
5686: }
1.40 daniel 5687: if (CUR == ']') NEXT;
1.22 daniel 5688: }
5689:
5690: /*
5691: * We should be at the end of the DOCTYPE declaration.
1.21 daniel 5692: */
1.40 daniel 5693: if (CUR != '>') {
1.55 daniel 5694: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1.74 daniel 5695: ctxt->sax->error(ctxt->userData, "DOCTYPE unproperly terminated\n");
1.59 daniel 5696: ctxt->wellFormed = 0;
1.123 daniel 5697: ctxt->errNo = XML_ERR_DOCTYPE_NOT_FINISHED;
1.21 daniel 5698: }
1.40 daniel 5699: NEXT;
1.21 daniel 5700: }
5701:
1.50 daniel 5702: /**
5703: * xmlParseAttribute:
5704: * @ctxt: an XML parser context
1.123 daniel 5705: * @value: a xmlChar ** used to store the value of the attribute
1.50 daniel 5706: *
5707: * parse an attribute
1.3 veillard 5708: *
1.22 daniel 5709: * [41] Attribute ::= Name Eq AttValue
5710: *
1.98 daniel 5711: * [ WFC: No External Entity References ]
5712: * Attribute values cannot contain direct or indirect entity references
5713: * to external entities.
5714: *
5715: * [ WFC: No < in Attribute Values ]
5716: * The replacement text of any entity referred to directly or indirectly in
5717: * an attribute value (other than "<") must not contain a <.
5718: *
5719: * [ VC: Attribute Value Type ]
1.117 daniel 5720: * The attribute must have been declared; the value must be of the type
1.99 daniel 5721: * declared for it.
1.98 daniel 5722: *
1.22 daniel 5723: * [25] Eq ::= S? '=' S?
5724: *
1.29 daniel 5725: * With namespace:
5726: *
5727: * [NS 11] Attribute ::= QName Eq AttValue
1.43 daniel 5728: *
5729: * Also the case QName == xmlns:??? is handled independently as a namespace
5730: * definition.
1.69 daniel 5731: *
1.72 daniel 5732: * Returns the attribute name, and the value in *value.
1.3 veillard 5733: */
5734:
1.123 daniel 5735: xmlChar *
5736: xmlParseAttribute(xmlParserCtxtPtr ctxt, xmlChar **value) {
5737: xmlChar *name, *val;
1.3 veillard 5738:
1.72 daniel 5739: *value = NULL;
5740: name = xmlParseName(ctxt);
1.22 daniel 5741: if (name == NULL) {
1.55 daniel 5742: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1.74 daniel 5743: ctxt->sax->error(ctxt->userData, "error parsing attribute name\n");
1.59 daniel 5744: ctxt->wellFormed = 0;
1.123 daniel 5745: ctxt->errNo = XML_ERR_NAME_REQUIRED;
1.52 daniel 5746: return(NULL);
1.3 veillard 5747: }
5748:
5749: /*
1.29 daniel 5750: * read the value
1.3 veillard 5751: */
1.42 daniel 5752: SKIP_BLANKS;
1.40 daniel 5753: if (CUR == '=') {
5754: NEXT;
1.42 daniel 5755: SKIP_BLANKS;
1.72 daniel 5756: val = xmlParseAttValue(ctxt);
1.96 daniel 5757: ctxt->instate = XML_PARSER_CONTENT;
1.29 daniel 5758: } else {
1.55 daniel 5759: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1.74 daniel 5760: ctxt->sax->error(ctxt->userData,
1.59 daniel 5761: "Specification mandate value for attribute %s\n", name);
1.123 daniel 5762: ctxt->errNo = XML_ERR_ATTRIBUTE_WITHOUT_VALUE;
1.59 daniel 5763: ctxt->wellFormed = 0;
1.52 daniel 5764: return(NULL);
1.43 daniel 5765: }
5766:
1.72 daniel 5767: *value = val;
5768: return(name);
1.3 veillard 5769: }
5770:
1.50 daniel 5771: /**
5772: * xmlParseStartTag:
5773: * @ctxt: an XML parser context
5774: *
5775: * parse a start of tag either for rule element or
5776: * EmptyElement. In both case we don't parse the tag closing chars.
1.27 daniel 5777: *
5778: * [40] STag ::= '<' Name (S Attribute)* S? '>'
5779: *
1.98 daniel 5780: * [ WFC: Unique Att Spec ]
5781: * No attribute name may appear more than once in the same start-tag or
5782: * empty-element tag.
5783: *
1.29 daniel 5784: * [44] EmptyElemTag ::= '<' Name (S Attribute)* S? '/>'
5785: *
1.98 daniel 5786: * [ WFC: Unique Att Spec ]
5787: * No attribute name may appear more than once in the same start-tag or
5788: * empty-element tag.
5789: *
1.29 daniel 5790: * With namespace:
5791: *
5792: * [NS 8] STag ::= '<' QName (S Attribute)* S? '>'
5793: *
5794: * [NS 10] EmptyElement ::= '<' QName (S Attribute)* S? '/>'
1.83 daniel 5795: *
1.129 daniel 5796: * Returne the element name parsed
1.2 veillard 5797: */
5798:
1.123 daniel 5799: xmlChar *
1.69 daniel 5800: xmlParseStartTag(xmlParserCtxtPtr ctxt) {
1.123 daniel 5801: xmlChar *name;
5802: xmlChar *attname;
5803: xmlChar *attvalue;
5804: const xmlChar **atts = NULL;
1.72 daniel 5805: int nbatts = 0;
5806: int maxatts = 0;
5807: int i;
1.2 veillard 5808:
1.83 daniel 5809: if (CUR != '<') return(NULL);
1.40 daniel 5810: NEXT;
1.3 veillard 5811:
1.72 daniel 5812: name = xmlParseName(ctxt);
1.59 daniel 5813: if (name == NULL) {
5814: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1.74 daniel 5815: ctxt->sax->error(ctxt->userData,
1.59 daniel 5816: "xmlParseStartTag: invalid element name\n");
1.123 daniel 5817: ctxt->errNo = XML_ERR_NAME_REQUIRED;
1.59 daniel 5818: ctxt->wellFormed = 0;
1.83 daniel 5819: return(NULL);
1.50 daniel 5820: }
5821:
5822: /*
1.3 veillard 5823: * Now parse the attributes, it ends up with the ending
5824: *
5825: * (S Attribute)* S?
5826: */
1.42 daniel 5827: SKIP_BLANKS;
1.91 daniel 5828: GROW;
1.40 daniel 5829: while ((IS_CHAR(CUR)) &&
5830: (CUR != '>') &&
5831: ((CUR != '/') || (NXT(1) != '>'))) {
1.123 daniel 5832: const xmlChar *q = CUR_PTR;
1.91 daniel 5833: int cons = ctxt->input->consumed;
1.29 daniel 5834:
1.72 daniel 5835: attname = xmlParseAttribute(ctxt, &attvalue);
5836: if ((attname != NULL) && (attvalue != NULL)) {
5837: /*
1.98 daniel 5838: * [ WFC: Unique Att Spec ]
5839: * No attribute name may appear more than once in the same
5840: * start-tag or empty-element tag.
1.72 daniel 5841: */
5842: for (i = 0; i < nbatts;i += 2) {
5843: if (!xmlStrcmp(atts[i], attname)) {
5844: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1.98 daniel 5845: ctxt->sax->error(ctxt->userData,
5846: "Attribute %s redefined\n",
5847: attname);
1.72 daniel 5848: ctxt->wellFormed = 0;
1.123 daniel 5849: ctxt->errNo = XML_ERR_ATTRIBUTE_REDEFINED;
1.119 daniel 5850: xmlFree(attname);
5851: xmlFree(attvalue);
1.98 daniel 5852: goto failed;
1.72 daniel 5853: }
5854: }
5855:
5856: /*
5857: * Add the pair to atts
5858: */
5859: if (atts == NULL) {
5860: maxatts = 10;
1.123 daniel 5861: atts = (const xmlChar **) xmlMalloc(maxatts * sizeof(xmlChar *));
1.72 daniel 5862: if (atts == NULL) {
1.86 daniel 5863: fprintf(stderr, "malloc of %ld byte failed\n",
1.123 daniel 5864: maxatts * (long)sizeof(xmlChar *));
1.83 daniel 5865: return(NULL);
1.72 daniel 5866: }
1.127 daniel 5867: } else if (nbatts + 4 > maxatts) {
1.72 daniel 5868: maxatts *= 2;
1.123 daniel 5869: atts = (const xmlChar **) xmlRealloc(atts,
5870: maxatts * sizeof(xmlChar *));
1.72 daniel 5871: if (atts == NULL) {
1.86 daniel 5872: fprintf(stderr, "realloc of %ld byte failed\n",
1.123 daniel 5873: maxatts * (long)sizeof(xmlChar *));
1.83 daniel 5874: return(NULL);
1.72 daniel 5875: }
5876: }
5877: atts[nbatts++] = attname;
5878: atts[nbatts++] = attvalue;
5879: atts[nbatts] = NULL;
5880: atts[nbatts + 1] = NULL;
5881: }
5882:
1.116 daniel 5883: failed:
1.42 daniel 5884: SKIP_BLANKS;
1.91 daniel 5885: if ((cons == ctxt->input->consumed) && (q == CUR_PTR)) {
1.55 daniel 5886: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1.74 daniel 5887: ctxt->sax->error(ctxt->userData,
1.31 daniel 5888: "xmlParseStartTag: problem parsing attributes\n");
1.123 daniel 5889: ctxt->errNo = XML_ERR_INTERNAL_ERROR;
1.59 daniel 5890: ctxt->wellFormed = 0;
1.29 daniel 5891: break;
1.3 veillard 5892: }
1.91 daniel 5893: GROW;
1.3 veillard 5894: }
5895:
1.43 daniel 5896: /*
1.72 daniel 5897: * SAX: Start of Element !
1.43 daniel 5898: */
1.72 daniel 5899: if ((ctxt->sax != NULL) && (ctxt->sax->startElement != NULL))
1.74 daniel 5900: ctxt->sax->startElement(ctxt->userData, name, atts);
1.43 daniel 5901:
1.72 daniel 5902: if (atts != NULL) {
1.123 daniel 5903: for (i = 0;i < nbatts;i++) xmlFree((xmlChar *) atts[i]);
1.119 daniel 5904: xmlFree(atts);
1.72 daniel 5905: }
1.83 daniel 5906: return(name);
1.3 veillard 5907: }
5908:
1.50 daniel 5909: /**
5910: * xmlParseEndTag:
5911: * @ctxt: an XML parser context
5912: *
5913: * parse an end of tag
1.27 daniel 5914: *
5915: * [42] ETag ::= '</' Name S? '>'
1.29 daniel 5916: *
5917: * With namespace
5918: *
1.72 daniel 5919: * [NS 9] ETag ::= '</' QName S? '>'
1.7 veillard 5920: */
5921:
1.55 daniel 5922: void
1.140 daniel 5923: xmlParseEndTag(xmlParserCtxtPtr ctxt) {
1.123 daniel 5924: xmlChar *name;
1.140 daniel 5925: xmlChar *oldname;
1.7 veillard 5926:
1.91 daniel 5927: GROW;
1.40 daniel 5928: if ((CUR != '<') || (NXT(1) != '/')) {
1.55 daniel 5929: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1.74 daniel 5930: ctxt->sax->error(ctxt->userData, "xmlParseEndTag: '</' not found\n");
1.59 daniel 5931: ctxt->wellFormed = 0;
1.123 daniel 5932: ctxt->errNo = XML_ERR_LTSLASH_REQUIRED;
1.27 daniel 5933: return;
5934: }
1.40 daniel 5935: SKIP(2);
1.7 veillard 5936:
1.72 daniel 5937: name = xmlParseName(ctxt);
1.7 veillard 5938:
5939: /*
5940: * We should definitely be at the ending "S? '>'" part
5941: */
1.91 daniel 5942: GROW;
1.42 daniel 5943: SKIP_BLANKS;
1.40 daniel 5944: if ((!IS_CHAR(CUR)) || (CUR != '>')) {
1.55 daniel 5945: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1.74 daniel 5946: ctxt->sax->error(ctxt->userData, "End tag : expected '>'\n");
1.123 daniel 5947: ctxt->errNo = XML_ERR_GT_REQUIRED;
1.59 daniel 5948: ctxt->wellFormed = 0;
1.7 veillard 5949: } else
1.40 daniel 5950: NEXT;
1.7 veillard 5951:
1.72 daniel 5952: /*
1.98 daniel 5953: * [ WFC: Element Type Match ]
5954: * The Name in an element's end-tag must match the element type in the
5955: * start-tag.
5956: *
1.83 daniel 5957: */
1.140 daniel 5958: if (xmlStrcmp(name, ctxt->name)) {
1.83 daniel 5959: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
5960: ctxt->sax->error(ctxt->userData,
1.140 daniel 5961: "Opening and ending tag mismatch: %s and %s\n", ctxt->name, name);
1.122 daniel 5962:
1.123 daniel 5963: ctxt->errNo = XML_ERR_TAG_NAME_MISMATCH;
1.83 daniel 5964: ctxt->wellFormed = 0;
5965: }
5966:
5967: /*
1.72 daniel 5968: * SAX: End of Tag
5969: */
5970: if ((ctxt->sax != NULL) && (ctxt->sax->endElement != NULL))
1.74 daniel 5971: ctxt->sax->endElement(ctxt->userData, name);
1.72 daniel 5972:
5973: if (name != NULL)
1.119 daniel 5974: xmlFree(name);
1.140 daniel 5975: oldname = namePop(ctxt);
5976: if (oldname != NULL) {
5977: #ifdef DEBUG_STACK
5978: fprintf(stderr,"Close: popped %s\n", oldname);
5979: #endif
5980: xmlFree(oldname);
5981: }
1.7 veillard 5982: return;
5983: }
5984:
1.50 daniel 5985: /**
5986: * xmlParseCDSect:
5987: * @ctxt: an XML parser context
5988: *
5989: * Parse escaped pure raw content.
1.29 daniel 5990: *
5991: * [18] CDSect ::= CDStart CData CDEnd
5992: *
5993: * [19] CDStart ::= '<![CDATA['
5994: *
5995: * [20] Data ::= (Char* - (Char* ']]>' Char*))
5996: *
5997: * [21] CDEnd ::= ']]>'
1.3 veillard 5998: */
1.55 daniel 5999: void
6000: xmlParseCDSect(xmlParserCtxtPtr ctxt) {
1.135 daniel 6001: xmlChar *buf = NULL;
6002: int len = 0;
1.140 daniel 6003: int size = XML_PARSER_BUFFER_SIZE;
1.123 daniel 6004: xmlChar r, s;
6005: xmlChar cur;
1.3 veillard 6006:
1.106 daniel 6007: if ((NXT(0) == '<') && (NXT(1) == '!') &&
1.40 daniel 6008: (NXT(2) == '[') && (NXT(3) == 'C') &&
6009: (NXT(4) == 'D') && (NXT(5) == 'A') &&
6010: (NXT(6) == 'T') && (NXT(7) == 'A') &&
6011: (NXT(8) == '[')) {
6012: SKIP(9);
1.29 daniel 6013: } else
1.45 daniel 6014: return;
1.109 daniel 6015:
6016: ctxt->instate = XML_PARSER_CDATA_SECTION;
1.40 daniel 6017: if (!IS_CHAR(CUR)) {
1.55 daniel 6018: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1.122 daniel 6019: ctxt->sax->error(ctxt->userData,
1.135 daniel 6020: "CData section not finished\n");
1.59 daniel 6021: ctxt->wellFormed = 0;
1.123 daniel 6022: ctxt->errNo = XML_ERR_CDATA_NOT_FINISHED;
1.109 daniel 6023: ctxt->instate = XML_PARSER_CONTENT;
1.45 daniel 6024: return;
1.3 veillard 6025: }
1.110 daniel 6026: r = CUR;
1.91 daniel 6027: NEXT;
1.40 daniel 6028: if (!IS_CHAR(CUR)) {
1.55 daniel 6029: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1.122 daniel 6030: ctxt->sax->error(ctxt->userData,
1.135 daniel 6031: "CData section not finished\n");
1.123 daniel 6032: ctxt->errNo = XML_ERR_CDATA_NOT_FINISHED;
1.59 daniel 6033: ctxt->wellFormed = 0;
1.109 daniel 6034: ctxt->instate = XML_PARSER_CONTENT;
1.45 daniel 6035: return;
1.3 veillard 6036: }
1.110 daniel 6037: s = CUR;
1.91 daniel 6038: NEXT;
1.108 veillard 6039: cur = CUR;
1.135 daniel 6040: buf = (xmlChar *) xmlMalloc(size * sizeof(xmlChar));
6041: if (buf == NULL) {
6042: fprintf(stderr, "malloc of %d byte failed\n", size);
6043: return;
6044: }
1.108 veillard 6045: while (IS_CHAR(cur) &&
1.110 daniel 6046: ((r != ']') || (s != ']') || (cur != '>'))) {
1.135 daniel 6047: if (len + 1 >= size) {
6048: size *= 2;
6049: buf = xmlRealloc(buf, size * sizeof(xmlChar));
6050: if (buf == NULL) {
6051: fprintf(stderr, "realloc of %d byte failed\n", size);
6052: return;
6053: }
6054: }
6055: buf[len++] = r;
1.110 daniel 6056: r = s;
6057: s = cur;
6058: NEXT;
1.108 veillard 6059: cur = CUR;
1.3 veillard 6060: }
1.135 daniel 6061: buf[len] = 0;
1.109 daniel 6062: ctxt->instate = XML_PARSER_CONTENT;
1.40 daniel 6063: if (!IS_CHAR(CUR)) {
1.55 daniel 6064: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1.122 daniel 6065: ctxt->sax->error(ctxt->userData,
1.135 daniel 6066: "CData section not finished\n%.50s\n", buf);
1.123 daniel 6067: ctxt->errNo = XML_ERR_CDATA_NOT_FINISHED;
1.59 daniel 6068: ctxt->wellFormed = 0;
1.135 daniel 6069: xmlFree(buf);
1.45 daniel 6070: return;
1.3 veillard 6071: }
1.107 daniel 6072: NEXT;
1.16 daniel 6073:
1.45 daniel 6074: /*
1.135 daniel 6075: * Ok the buffer is to be consumed as cdata.
1.45 daniel 6076: */
6077: if (ctxt->sax != NULL) {
1.107 daniel 6078: if (ctxt->sax->cdataBlock != NULL)
1.135 daniel 6079: ctxt->sax->cdataBlock(ctxt->userData, buf, len);
1.45 daniel 6080: }
1.135 daniel 6081: xmlFree(buf);
1.2 veillard 6082: }
6083:
1.50 daniel 6084: /**
6085: * xmlParseContent:
6086: * @ctxt: an XML parser context
6087: *
6088: * Parse a content:
1.2 veillard 6089: *
1.27 daniel 6090: * [43] content ::= (element | CharData | Reference | CDSect | PI | Comment)*
1.2 veillard 6091: */
6092:
1.55 daniel 6093: void
6094: xmlParseContent(xmlParserCtxtPtr ctxt) {
1.97 daniel 6095: GROW;
1.40 daniel 6096: while ((CUR != '<') || (NXT(1) != '/')) {
1.123 daniel 6097: const xmlChar *test = CUR_PTR;
1.91 daniel 6098: int cons = ctxt->input->consumed;
1.123 daniel 6099: xmlChar tok = ctxt->token;
1.27 daniel 6100:
6101: /*
6102: * First case : a Processing Instruction.
6103: */
1.40 daniel 6104: if ((CUR == '<') && (NXT(1) == '?')) {
1.27 daniel 6105: xmlParsePI(ctxt);
6106: }
1.72 daniel 6107:
1.27 daniel 6108: /*
6109: * Second case : a CDSection
6110: */
1.40 daniel 6111: else if ((CUR == '<') && (NXT(1) == '!') &&
6112: (NXT(2) == '[') && (NXT(3) == 'C') &&
6113: (NXT(4) == 'D') && (NXT(5) == 'A') &&
6114: (NXT(6) == 'T') && (NXT(7) == 'A') &&
6115: (NXT(8) == '[')) {
1.45 daniel 6116: xmlParseCDSect(ctxt);
1.27 daniel 6117: }
1.72 daniel 6118:
1.27 daniel 6119: /*
6120: * Third case : a comment
6121: */
1.40 daniel 6122: else if ((CUR == '<') && (NXT(1) == '!') &&
6123: (NXT(2) == '-') && (NXT(3) == '-')) {
1.114 daniel 6124: xmlParseComment(ctxt);
1.97 daniel 6125: ctxt->instate = XML_PARSER_CONTENT;
1.27 daniel 6126: }
1.72 daniel 6127:
1.27 daniel 6128: /*
6129: * Fourth case : a sub-element.
6130: */
1.40 daniel 6131: else if (CUR == '<') {
1.72 daniel 6132: xmlParseElement(ctxt);
1.45 daniel 6133: }
1.72 daniel 6134:
1.45 daniel 6135: /*
1.50 daniel 6136: * Fifth case : a reference. If if has not been resolved,
6137: * parsing returns it's Name, create the node
1.45 daniel 6138: */
1.97 daniel 6139:
1.45 daniel 6140: else if (CUR == '&') {
1.77 daniel 6141: xmlParseReference(ctxt);
1.27 daniel 6142: }
1.72 daniel 6143:
1.27 daniel 6144: /*
6145: * Last case, text. Note that References are handled directly.
6146: */
6147: else {
1.45 daniel 6148: xmlParseCharData(ctxt, 0);
1.3 veillard 6149: }
1.14 veillard 6150:
1.91 daniel 6151: GROW;
1.14 veillard 6152: /*
1.45 daniel 6153: * Pop-up of finished entities.
1.14 veillard 6154: */
1.69 daniel 6155: while ((CUR == 0) && (ctxt->inputNr > 1))
6156: xmlPopInput(ctxt);
1.135 daniel 6157: SHRINK;
1.45 daniel 6158:
1.113 daniel 6159: if ((cons == ctxt->input->consumed) && (test == CUR_PTR) &&
6160: (tok == ctxt->token)) {
1.55 daniel 6161: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1.74 daniel 6162: ctxt->sax->error(ctxt->userData,
1.59 daniel 6163: "detected an error in element content\n");
1.123 daniel 6164: ctxt->errNo = XML_ERR_INTERNAL_ERROR;
1.59 daniel 6165: ctxt->wellFormed = 0;
1.29 daniel 6166: break;
6167: }
1.3 veillard 6168: }
1.2 veillard 6169: }
6170:
1.50 daniel 6171: /**
6172: * xmlParseElement:
6173: * @ctxt: an XML parser context
6174: *
6175: * parse an XML element, this is highly recursive
1.26 daniel 6176: *
6177: * [39] element ::= EmptyElemTag | STag content ETag
6178: *
1.98 daniel 6179: * [ WFC: Element Type Match ]
6180: * The Name in an element's end-tag must match the element type in the
6181: * start-tag.
6182: *
6183: * [ VC: Element Valid ]
1.117 daniel 6184: * An element is valid if there is a declaration matching elementdecl
1.99 daniel 6185: * where the Name matches the element type and one of the following holds:
6186: * - The declaration matches EMPTY and the element has no content.
6187: * - The declaration matches children and the sequence of child elements
6188: * belongs to the language generated by the regular expression in the
6189: * content model, with optional white space (characters matching the
6190: * nonterminal S) between each pair of child elements.
6191: * - The declaration matches Mixed and the content consists of character
6192: * data and child elements whose types match names in the content model.
6193: * - The declaration matches ANY, and the types of any child elements have
6194: * been declared.
1.2 veillard 6195: */
1.26 daniel 6196:
1.72 daniel 6197: void
1.69 daniel 6198: xmlParseElement(xmlParserCtxtPtr ctxt) {
1.123 daniel 6199: const xmlChar *openTag = CUR_PTR;
6200: xmlChar *name;
1.140 daniel 6201: xmlChar *oldname;
1.32 daniel 6202: xmlParserNodeInfo node_info;
1.118 daniel 6203: xmlNodePtr ret;
1.2 veillard 6204:
1.32 daniel 6205: /* Capture start position */
1.118 daniel 6206: if (ctxt->record_info) {
6207: node_info.begin_pos = ctxt->input->consumed +
6208: (CUR_PTR - ctxt->input->base);
6209: node_info.begin_line = ctxt->input->line;
6210: }
1.32 daniel 6211:
1.83 daniel 6212: name = xmlParseStartTag(ctxt);
6213: if (name == NULL) {
6214: return;
6215: }
1.140 daniel 6216: namePush(ctxt, name);
1.118 daniel 6217: ret = ctxt->node;
1.2 veillard 6218:
6219: /*
1.99 daniel 6220: * [ VC: Root Element Type ]
6221: * The Name in the document type declaration must match the element
6222: * type of the root element.
6223: */
1.105 daniel 6224: if (ctxt->validate && ctxt->wellFormed && ctxt->myDoc &&
6225: ctxt->node && (ctxt->node == ctxt->myDoc->root))
1.102 daniel 6226: ctxt->valid &= xmlValidateRoot(&ctxt->vctxt, ctxt->myDoc);
1.99 daniel 6227:
6228: /*
1.2 veillard 6229: * Check for an Empty Element.
6230: */
1.40 daniel 6231: if ((CUR == '/') && (NXT(1) == '>')) {
6232: SKIP(2);
1.72 daniel 6233: if ((ctxt->sax != NULL) && (ctxt->sax->endElement != NULL))
1.83 daniel 6234: ctxt->sax->endElement(ctxt->userData, name);
1.140 daniel 6235: oldname = namePop(ctxt);
6236: if (oldname != NULL) {
6237: #ifdef DEBUG_STACK
6238: fprintf(stderr,"Close: popped %s\n", oldname);
6239: #endif
6240: xmlFree(oldname);
6241: }
1.72 daniel 6242: return;
1.2 veillard 6243: }
1.91 daniel 6244: if (CUR == '>') {
6245: NEXT;
6246: } else {
1.55 daniel 6247: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1.122 daniel 6248: ctxt->sax->error(ctxt->userData,
6249: "Couldn't find end of Start Tag\n%.30s\n",
1.57 daniel 6250: openTag);
1.59 daniel 6251: ctxt->wellFormed = 0;
1.123 daniel 6252: ctxt->errNo = XML_ERR_GT_REQUIRED;
1.45 daniel 6253:
6254: /*
6255: * end of parsing of this node.
6256: */
6257: nodePop(ctxt);
1.140 daniel 6258: oldname = namePop(ctxt);
6259: if (oldname != NULL) {
6260: #ifdef DEBUG_STACK
6261: fprintf(stderr,"Close: popped %s\n", oldname);
6262: #endif
6263: xmlFree(oldname);
6264: }
1.118 daniel 6265:
6266: /*
6267: * Capture end position and add node
6268: */
6269: if ( ret != NULL && ctxt->record_info ) {
6270: node_info.end_pos = ctxt->input->consumed +
6271: (CUR_PTR - ctxt->input->base);
6272: node_info.end_line = ctxt->input->line;
6273: node_info.node = ret;
6274: xmlParserAddNodeInfo(ctxt, &node_info);
6275: }
1.72 daniel 6276: return;
1.2 veillard 6277: }
6278:
6279: /*
6280: * Parse the content of the element:
6281: */
1.45 daniel 6282: xmlParseContent(ctxt);
1.40 daniel 6283: if (!IS_CHAR(CUR)) {
1.55 daniel 6284: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1.74 daniel 6285: ctxt->sax->error(ctxt->userData,
1.57 daniel 6286: "Premature end of data in tag %.30s\n", openTag);
1.59 daniel 6287: ctxt->wellFormed = 0;
1.123 daniel 6288: ctxt->errNo = XML_ERR_TAG_NOT_FINISED;
1.45 daniel 6289:
6290: /*
6291: * end of parsing of this node.
6292: */
6293: nodePop(ctxt);
1.140 daniel 6294: oldname = namePop(ctxt);
6295: if (oldname != NULL) {
6296: #ifdef DEBUG_STACK
6297: fprintf(stderr,"Close: popped %s\n", oldname);
6298: #endif
6299: xmlFree(oldname);
6300: }
1.72 daniel 6301: return;
1.2 veillard 6302: }
6303:
6304: /*
1.27 daniel 6305: * parse the end of tag: '</' should be here.
1.2 veillard 6306: */
1.140 daniel 6307: xmlParseEndTag(ctxt);
1.118 daniel 6308:
6309: /*
6310: * Capture end position and add node
6311: */
6312: if ( ret != NULL && ctxt->record_info ) {
6313: node_info.end_pos = ctxt->input->consumed +
6314: (CUR_PTR - ctxt->input->base);
6315: node_info.end_line = ctxt->input->line;
6316: node_info.node = ret;
6317: xmlParserAddNodeInfo(ctxt, &node_info);
6318: }
1.2 veillard 6319: }
6320:
1.50 daniel 6321: /**
6322: * xmlParseVersionNum:
6323: * @ctxt: an XML parser context
6324: *
6325: * parse the XML version value.
1.29 daniel 6326: *
6327: * [26] VersionNum ::= ([a-zA-Z0-9_.:] | '-')+
1.68 daniel 6328: *
6329: * Returns the string giving the XML version number, or NULL
1.29 daniel 6330: */
1.123 daniel 6331: xmlChar *
1.55 daniel 6332: xmlParseVersionNum(xmlParserCtxtPtr ctxt) {
1.135 daniel 6333: xmlChar *buf = NULL;
6334: int len = 0;
6335: int size = 10;
6336: xmlChar cur;
1.29 daniel 6337:
1.135 daniel 6338: buf = (xmlChar *) xmlMalloc(size * sizeof(xmlChar));
6339: if (buf == NULL) {
6340: fprintf(stderr, "malloc of %d byte failed\n", size);
6341: return(NULL);
6342: }
6343: cur = CUR;
6344: while (IS_CHAR(cur) &&
6345: (((cur >= 'a') && (cur <= 'z')) ||
6346: ((cur >= 'A') && (cur <= 'Z')) ||
6347: ((cur >= '0') && (cur <= '9')) ||
6348: (cur == '_') || (cur == '.') ||
6349: (cur == ':') || (cur == '-'))) {
6350: if (len + 1 >= size) {
6351: size *= 2;
6352: buf = xmlRealloc(buf, size * sizeof(xmlChar));
6353: if (buf == NULL) {
6354: fprintf(stderr, "realloc of %d byte failed\n", size);
6355: return(NULL);
6356: }
6357: }
6358: buf[len++] = cur;
6359: NEXT;
6360: cur=CUR;
6361: }
6362: buf[len] = 0;
6363: return(buf);
1.29 daniel 6364: }
6365:
1.50 daniel 6366: /**
6367: * xmlParseVersionInfo:
6368: * @ctxt: an XML parser context
6369: *
6370: * parse the XML version.
1.29 daniel 6371: *
6372: * [24] VersionInfo ::= S 'version' Eq (' VersionNum ' | " VersionNum ")
6373: *
6374: * [25] Eq ::= S? '=' S?
1.50 daniel 6375: *
1.68 daniel 6376: * Returns the version string, e.g. "1.0"
1.29 daniel 6377: */
6378:
1.123 daniel 6379: xmlChar *
1.55 daniel 6380: xmlParseVersionInfo(xmlParserCtxtPtr ctxt) {
1.123 daniel 6381: xmlChar *version = NULL;
6382: const xmlChar *q;
1.29 daniel 6383:
1.40 daniel 6384: if ((CUR == 'v') && (NXT(1) == 'e') &&
6385: (NXT(2) == 'r') && (NXT(3) == 's') &&
6386: (NXT(4) == 'i') && (NXT(5) == 'o') &&
6387: (NXT(6) == 'n')) {
6388: SKIP(7);
1.42 daniel 6389: SKIP_BLANKS;
1.40 daniel 6390: if (CUR != '=') {
1.55 daniel 6391: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1.122 daniel 6392: ctxt->sax->error(ctxt->userData,
6393: "xmlParseVersionInfo : expected '='\n");
1.59 daniel 6394: ctxt->wellFormed = 0;
1.123 daniel 6395: ctxt->errNo = XML_ERR_EQUAL_REQUIRED;
1.31 daniel 6396: return(NULL);
6397: }
1.40 daniel 6398: NEXT;
1.42 daniel 6399: SKIP_BLANKS;
1.40 daniel 6400: if (CUR == '"') {
6401: NEXT;
6402: q = CUR_PTR;
1.29 daniel 6403: version = xmlParseVersionNum(ctxt);
1.55 daniel 6404: if (CUR != '"') {
6405: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1.122 daniel 6406: ctxt->sax->error(ctxt->userData,
6407: "String not closed\n%.50s\n", q);
1.59 daniel 6408: ctxt->wellFormed = 0;
1.123 daniel 6409: ctxt->errNo = XML_ERR_STRING_NOT_CLOSED;
1.55 daniel 6410: } else
1.40 daniel 6411: NEXT;
6412: } else if (CUR == '\''){
6413: NEXT;
6414: q = CUR_PTR;
1.29 daniel 6415: version = xmlParseVersionNum(ctxt);
1.55 daniel 6416: if (CUR != '\'') {
6417: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1.122 daniel 6418: ctxt->sax->error(ctxt->userData,
6419: "String not closed\n%.50s\n", q);
1.123 daniel 6420: ctxt->errNo = XML_ERR_STRING_NOT_CLOSED;
1.59 daniel 6421: ctxt->wellFormed = 0;
1.55 daniel 6422: } else
1.40 daniel 6423: NEXT;
1.31 daniel 6424: } else {
1.55 daniel 6425: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1.74 daniel 6426: ctxt->sax->error(ctxt->userData,
1.59 daniel 6427: "xmlParseVersionInfo : expected ' or \"\n");
1.122 daniel 6428: ctxt->wellFormed = 0;
1.123 daniel 6429: ctxt->errNo = XML_ERR_STRING_NOT_STARTED;
1.29 daniel 6430: }
6431: }
6432: return(version);
6433: }
6434:
1.50 daniel 6435: /**
6436: * xmlParseEncName:
6437: * @ctxt: an XML parser context
6438: *
6439: * parse the XML encoding name
1.29 daniel 6440: *
6441: * [81] EncName ::= [A-Za-z] ([A-Za-z0-9._] | '-')*
1.50 daniel 6442: *
1.68 daniel 6443: * Returns the encoding name value or NULL
1.29 daniel 6444: */
1.123 daniel 6445: xmlChar *
1.55 daniel 6446: xmlParseEncName(xmlParserCtxtPtr ctxt) {
1.135 daniel 6447: xmlChar *buf = NULL;
6448: int len = 0;
6449: int size = 10;
6450: xmlChar cur;
1.29 daniel 6451:
1.135 daniel 6452: cur = CUR;
6453: if (((cur >= 'a') && (cur <= 'z')) ||
6454: ((cur >= 'A') && (cur <= 'Z'))) {
6455: buf = (xmlChar *) xmlMalloc(size * sizeof(xmlChar));
6456: if (buf == NULL) {
6457: fprintf(stderr, "malloc of %d byte failed\n", size);
6458: return(NULL);
6459: }
6460:
6461: buf[len++] = cur;
1.40 daniel 6462: NEXT;
1.135 daniel 6463: cur = CUR;
6464: while (IS_CHAR(cur) &&
6465: (((cur >= 'a') && (cur <= 'z')) ||
6466: ((cur >= 'A') && (cur <= 'Z')) ||
6467: ((cur >= '0') && (cur <= '9')) ||
6468: (cur == '.') || (cur == '_') ||
6469: (cur == '-'))) {
6470: if (len + 1 >= size) {
6471: size *= 2;
6472: buf = xmlRealloc(buf, size * sizeof(xmlChar));
6473: if (buf == NULL) {
6474: fprintf(stderr, "realloc of %d byte failed\n", size);
6475: return(NULL);
6476: }
6477: }
6478: buf[len++] = cur;
6479: NEXT;
6480: cur = CUR;
6481: if (cur == 0) {
6482: SHRINK;
6483: GROW;
6484: cur = CUR;
6485: }
6486: }
6487: buf[len] = 0;
1.29 daniel 6488: } else {
1.55 daniel 6489: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1.74 daniel 6490: ctxt->sax->error(ctxt->userData, "Invalid XML encoding name\n");
1.59 daniel 6491: ctxt->wellFormed = 0;
1.123 daniel 6492: ctxt->errNo = XML_ERR_ENCODING_NAME;
1.29 daniel 6493: }
1.135 daniel 6494: return(buf);
1.29 daniel 6495: }
6496:
1.50 daniel 6497: /**
6498: * xmlParseEncodingDecl:
6499: * @ctxt: an XML parser context
6500: *
6501: * parse the XML encoding declaration
1.29 daniel 6502: *
6503: * [80] EncodingDecl ::= S 'encoding' Eq ('"' EncName '"' | "'" EncName "'")
1.50 daniel 6504: *
6505: * TODO: this should setup the conversion filters.
6506: *
1.68 daniel 6507: * Returns the encoding value or NULL
1.29 daniel 6508: */
6509:
1.123 daniel 6510: xmlChar *
1.55 daniel 6511: xmlParseEncodingDecl(xmlParserCtxtPtr ctxt) {
1.123 daniel 6512: xmlChar *encoding = NULL;
6513: const xmlChar *q;
1.29 daniel 6514:
1.42 daniel 6515: SKIP_BLANKS;
1.40 daniel 6516: if ((CUR == 'e') && (NXT(1) == 'n') &&
6517: (NXT(2) == 'c') && (NXT(3) == 'o') &&
6518: (NXT(4) == 'd') && (NXT(5) == 'i') &&
6519: (NXT(6) == 'n') && (NXT(7) == 'g')) {
6520: SKIP(8);
1.42 daniel 6521: SKIP_BLANKS;
1.40 daniel 6522: if (CUR != '=') {
1.55 daniel 6523: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1.122 daniel 6524: ctxt->sax->error(ctxt->userData,
6525: "xmlParseEncodingDecl : expected '='\n");
1.59 daniel 6526: ctxt->wellFormed = 0;
1.123 daniel 6527: ctxt->errNo = XML_ERR_EQUAL_REQUIRED;
1.31 daniel 6528: return(NULL);
6529: }
1.40 daniel 6530: NEXT;
1.42 daniel 6531: SKIP_BLANKS;
1.40 daniel 6532: if (CUR == '"') {
6533: NEXT;
6534: q = CUR_PTR;
1.29 daniel 6535: encoding = xmlParseEncName(ctxt);
1.55 daniel 6536: if (CUR != '"') {
6537: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1.122 daniel 6538: ctxt->sax->error(ctxt->userData,
6539: "String not closed\n%.50s\n", q);
1.59 daniel 6540: ctxt->wellFormed = 0;
1.123 daniel 6541: ctxt->errNo = XML_ERR_STRING_NOT_CLOSED;
1.55 daniel 6542: } else
1.40 daniel 6543: NEXT;
6544: } else if (CUR == '\''){
6545: NEXT;
6546: q = CUR_PTR;
1.29 daniel 6547: encoding = xmlParseEncName(ctxt);
1.55 daniel 6548: if (CUR != '\'') {
6549: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1.122 daniel 6550: ctxt->sax->error(ctxt->userData,
6551: "String not closed\n%.50s\n", q);
1.59 daniel 6552: ctxt->wellFormed = 0;
1.123 daniel 6553: ctxt->errNo = XML_ERR_STRING_NOT_CLOSED;
1.55 daniel 6554: } else
1.40 daniel 6555: NEXT;
6556: } else if (CUR == '"'){
1.55 daniel 6557: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1.74 daniel 6558: ctxt->sax->error(ctxt->userData,
1.59 daniel 6559: "xmlParseEncodingDecl : expected ' or \"\n");
6560: ctxt->wellFormed = 0;
1.123 daniel 6561: ctxt->errNo = XML_ERR_STRING_NOT_STARTED;
1.29 daniel 6562: }
6563: }
6564: return(encoding);
6565: }
6566:
1.50 daniel 6567: /**
6568: * xmlParseSDDecl:
6569: * @ctxt: an XML parser context
6570: *
6571: * parse the XML standalone declaration
1.29 daniel 6572: *
6573: * [32] SDDecl ::= S 'standalone' Eq
6574: * (("'" ('yes' | 'no') "'") | ('"' ('yes' | 'no')'"'))
1.99 daniel 6575: *
6576: * [ VC: Standalone Document Declaration ]
6577: * TODO The standalone document declaration must have the value "no"
6578: * if any external markup declarations contain declarations of:
6579: * - attributes with default values, if elements to which these
6580: * attributes apply appear in the document without specifications
6581: * of values for these attributes, or
6582: * - entities (other than amp, lt, gt, apos, quot), if references
6583: * to those entities appear in the document, or
6584: * - attributes with values subject to normalization, where the
6585: * attribute appears in the document with a value which will change
6586: * as a result of normalization, or
6587: * - element types with element content, if white space occurs directly
6588: * within any instance of those types.
1.68 daniel 6589: *
6590: * Returns 1 if standalone, 0 otherwise
1.29 daniel 6591: */
6592:
1.55 daniel 6593: int
6594: xmlParseSDDecl(xmlParserCtxtPtr ctxt) {
1.29 daniel 6595: int standalone = -1;
6596:
1.42 daniel 6597: SKIP_BLANKS;
1.40 daniel 6598: if ((CUR == 's') && (NXT(1) == 't') &&
6599: (NXT(2) == 'a') && (NXT(3) == 'n') &&
6600: (NXT(4) == 'd') && (NXT(5) == 'a') &&
6601: (NXT(6) == 'l') && (NXT(7) == 'o') &&
6602: (NXT(8) == 'n') && (NXT(9) == 'e')) {
6603: SKIP(10);
1.81 daniel 6604: SKIP_BLANKS;
1.40 daniel 6605: if (CUR != '=') {
1.55 daniel 6606: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1.74 daniel 6607: ctxt->sax->error(ctxt->userData,
1.59 daniel 6608: "XML standalone declaration : expected '='\n");
1.123 daniel 6609: ctxt->errNo = XML_ERR_EQUAL_REQUIRED;
1.59 daniel 6610: ctxt->wellFormed = 0;
1.32 daniel 6611: return(standalone);
6612: }
1.40 daniel 6613: NEXT;
1.42 daniel 6614: SKIP_BLANKS;
1.40 daniel 6615: if (CUR == '\''){
6616: NEXT;
6617: if ((CUR == 'n') && (NXT(1) == 'o')) {
1.29 daniel 6618: standalone = 0;
1.40 daniel 6619: SKIP(2);
6620: } else if ((CUR == 'y') && (NXT(1) == 'e') &&
6621: (NXT(2) == 's')) {
1.29 daniel 6622: standalone = 1;
1.40 daniel 6623: SKIP(3);
1.29 daniel 6624: } else {
1.55 daniel 6625: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1.122 daniel 6626: ctxt->sax->error(ctxt->userData,
6627: "standalone accepts only 'yes' or 'no'\n");
1.123 daniel 6628: ctxt->errNo = XML_ERR_STANDALONE_VALUE;
1.59 daniel 6629: ctxt->wellFormed = 0;
1.29 daniel 6630: }
1.55 daniel 6631: if (CUR != '\'') {
6632: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1.74 daniel 6633: ctxt->sax->error(ctxt->userData, "String not closed\n");
1.123 daniel 6634: ctxt->errNo = XML_ERR_STRING_NOT_CLOSED;
1.59 daniel 6635: ctxt->wellFormed = 0;
1.55 daniel 6636: } else
1.40 daniel 6637: NEXT;
6638: } else if (CUR == '"'){
6639: NEXT;
6640: if ((CUR == 'n') && (NXT(1) == 'o')) {
1.29 daniel 6641: standalone = 0;
1.40 daniel 6642: SKIP(2);
6643: } else if ((CUR == 'y') && (NXT(1) == 'e') &&
6644: (NXT(2) == 's')) {
1.29 daniel 6645: standalone = 1;
1.40 daniel 6646: SKIP(3);
1.29 daniel 6647: } else {
1.55 daniel 6648: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1.74 daniel 6649: ctxt->sax->error(ctxt->userData,
1.59 daniel 6650: "standalone accepts only 'yes' or 'no'\n");
1.123 daniel 6651: ctxt->errNo = XML_ERR_STANDALONE_VALUE;
1.59 daniel 6652: ctxt->wellFormed = 0;
1.29 daniel 6653: }
1.55 daniel 6654: if (CUR != '"') {
6655: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1.74 daniel 6656: ctxt->sax->error(ctxt->userData, "String not closed\n");
1.59 daniel 6657: ctxt->wellFormed = 0;
1.123 daniel 6658: ctxt->errNo = XML_ERR_STRING_NOT_CLOSED;
1.55 daniel 6659: } else
1.40 daniel 6660: NEXT;
1.37 daniel 6661: } else {
1.55 daniel 6662: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1.122 daniel 6663: ctxt->sax->error(ctxt->userData,
6664: "Standalone value not found\n");
1.59 daniel 6665: ctxt->wellFormed = 0;
1.123 daniel 6666: ctxt->errNo = XML_ERR_STRING_NOT_STARTED;
1.37 daniel 6667: }
1.29 daniel 6668: }
6669: return(standalone);
6670: }
6671:
1.50 daniel 6672: /**
6673: * xmlParseXMLDecl:
6674: * @ctxt: an XML parser context
6675: *
6676: * parse an XML declaration header
1.29 daniel 6677: *
6678: * [23] XMLDecl ::= '<?xml' VersionInfo EncodingDecl? SDDecl? S? '?>'
1.1 veillard 6679: */
6680:
1.55 daniel 6681: void
6682: xmlParseXMLDecl(xmlParserCtxtPtr ctxt) {
1.123 daniel 6683: xmlChar *version;
1.1 veillard 6684:
6685: /*
1.19 daniel 6686: * We know that '<?xml' is here.
1.1 veillard 6687: */
1.40 daniel 6688: SKIP(5);
1.1 veillard 6689:
1.59 daniel 6690: if (!IS_BLANK(CUR)) {
6691: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1.74 daniel 6692: ctxt->sax->error(ctxt->userData, "Blank needed after '<?xml'\n");
1.123 daniel 6693: ctxt->errNo = XML_ERR_SPACE_REQUIRED;
1.59 daniel 6694: ctxt->wellFormed = 0;
6695: }
1.42 daniel 6696: SKIP_BLANKS;
1.1 veillard 6697:
6698: /*
1.29 daniel 6699: * We should have the VersionInfo here.
1.1 veillard 6700: */
1.29 daniel 6701: version = xmlParseVersionInfo(ctxt);
6702: if (version == NULL)
1.45 daniel 6703: version = xmlCharStrdup(XML_DEFAULT_VERSION);
1.72 daniel 6704: ctxt->version = xmlStrdup(version);
1.119 daniel 6705: xmlFree(version);
1.29 daniel 6706:
6707: /*
6708: * We may have the encoding declaration
6709: */
1.59 daniel 6710: if (!IS_BLANK(CUR)) {
6711: if ((CUR == '?') && (NXT(1) == '>')) {
6712: SKIP(2);
6713: return;
6714: }
6715: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1.74 daniel 6716: ctxt->sax->error(ctxt->userData, "Blank needed here\n");
1.123 daniel 6717: ctxt->errNo = XML_ERR_SPACE_REQUIRED;
1.59 daniel 6718: ctxt->wellFormed = 0;
6719: }
1.72 daniel 6720: ctxt->encoding = xmlParseEncodingDecl(ctxt);
1.1 veillard 6721:
6722: /*
1.29 daniel 6723: * We may have the standalone status.
1.1 veillard 6724: */
1.72 daniel 6725: if ((ctxt->encoding != NULL) && (!IS_BLANK(CUR))) {
1.59 daniel 6726: if ((CUR == '?') && (NXT(1) == '>')) {
6727: SKIP(2);
6728: return;
6729: }
6730: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1.74 daniel 6731: ctxt->sax->error(ctxt->userData, "Blank needed here\n");
1.59 daniel 6732: ctxt->wellFormed = 0;
1.123 daniel 6733: ctxt->errNo = XML_ERR_SPACE_REQUIRED;
1.59 daniel 6734: }
6735: SKIP_BLANKS;
1.72 daniel 6736: ctxt->standalone = xmlParseSDDecl(ctxt);
1.1 veillard 6737:
1.42 daniel 6738: SKIP_BLANKS;
1.40 daniel 6739: if ((CUR == '?') && (NXT(1) == '>')) {
6740: SKIP(2);
6741: } else if (CUR == '>') {
1.31 daniel 6742: /* Deprecated old WD ... */
1.55 daniel 6743: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1.122 daniel 6744: ctxt->sax->error(ctxt->userData,
6745: "XML declaration must end-up with '?>'\n");
1.59 daniel 6746: ctxt->wellFormed = 0;
1.123 daniel 6747: ctxt->errNo = XML_ERR_XMLDECL_NOT_FINISHED;
1.40 daniel 6748: NEXT;
1.29 daniel 6749: } else {
1.55 daniel 6750: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1.122 daniel 6751: ctxt->sax->error(ctxt->userData,
6752: "parsing XML declaration: '?>' expected\n");
1.59 daniel 6753: ctxt->wellFormed = 0;
1.123 daniel 6754: ctxt->errNo = XML_ERR_XMLDECL_NOT_FINISHED;
1.40 daniel 6755: MOVETO_ENDTAG(CUR_PTR);
6756: NEXT;
1.29 daniel 6757: }
1.1 veillard 6758: }
6759:
1.50 daniel 6760: /**
6761: * xmlParseMisc:
6762: * @ctxt: an XML parser context
6763: *
6764: * parse an XML Misc* optionnal field.
1.21 daniel 6765: *
1.22 daniel 6766: * [27] Misc ::= Comment | PI | S
1.1 veillard 6767: */
6768:
1.55 daniel 6769: void
6770: xmlParseMisc(xmlParserCtxtPtr ctxt) {
1.40 daniel 6771: while (((CUR == '<') && (NXT(1) == '?')) ||
6772: ((CUR == '<') && (NXT(1) == '!') &&
6773: (NXT(2) == '-') && (NXT(3) == '-')) ||
6774: IS_BLANK(CUR)) {
6775: if ((CUR == '<') && (NXT(1) == '?')) {
1.16 daniel 6776: xmlParsePI(ctxt);
1.40 daniel 6777: } else if (IS_BLANK(CUR)) {
6778: NEXT;
1.1 veillard 6779: } else
1.114 daniel 6780: xmlParseComment(ctxt);
1.1 veillard 6781: }
6782: }
6783:
1.50 daniel 6784: /**
6785: * xmlParseDocument :
6786: * @ctxt: an XML parser context
6787: *
6788: * parse an XML document (and build a tree if using the standard SAX
6789: * interface).
1.21 daniel 6790: *
1.22 daniel 6791: * [1] document ::= prolog element Misc*
1.29 daniel 6792: *
6793: * [22] prolog ::= XMLDecl? Misc* (doctypedecl Misc*)?
1.50 daniel 6794: *
1.68 daniel 6795: * Returns 0, -1 in case of error. the parser context is augmented
1.50 daniel 6796: * as a result of the parsing.
1.1 veillard 6797: */
6798:
1.55 daniel 6799: int
6800: xmlParseDocument(xmlParserCtxtPtr ctxt) {
1.45 daniel 6801: xmlDefaultSAXHandlerInit();
6802:
1.91 daniel 6803: GROW;
6804:
1.14 veillard 6805: /*
1.44 daniel 6806: * SAX: beginning of the document processing.
6807: */
1.72 daniel 6808: if ((ctxt->sax) && (ctxt->sax->setDocumentLocator))
1.74 daniel 6809: ctxt->sax->setDocumentLocator(ctxt->userData, &xmlDefaultSAXLocator);
1.44 daniel 6810:
6811: /*
1.117 daniel 6812: * TODO We should check for encoding here and plug-in some
6813: * conversion code !!!!
1.14 veillard 6814: */
1.1 veillard 6815:
6816: /*
6817: * Wipe out everything which is before the first '<'
6818: */
1.59 daniel 6819: if (IS_BLANK(CUR)) {
6820: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1.74 daniel 6821: ctxt->sax->error(ctxt->userData,
1.59 daniel 6822: "Extra spaces at the beginning of the document are not allowed\n");
1.123 daniel 6823: ctxt->errNo = XML_ERR_DOCUMENT_START;
1.59 daniel 6824: ctxt->wellFormed = 0;
6825: SKIP_BLANKS;
6826: }
6827:
6828: if (CUR == 0) {
6829: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1.74 daniel 6830: ctxt->sax->error(ctxt->userData, "Document is empty\n");
1.123 daniel 6831: ctxt->errNo = XML_ERR_DOCUMENT_EMPTY;
1.59 daniel 6832: ctxt->wellFormed = 0;
6833: }
1.1 veillard 6834:
6835: /*
6836: * Check for the XMLDecl in the Prolog.
6837: */
1.91 daniel 6838: GROW;
1.40 daniel 6839: if ((CUR == '<') && (NXT(1) == '?') &&
6840: (NXT(2) == 'x') && (NXT(3) == 'm') &&
6841: (NXT(4) == 'l')) {
1.19 daniel 6842: xmlParseXMLDecl(ctxt);
6843: /* SKIP_EOL(cur); */
1.42 daniel 6844: SKIP_BLANKS;
1.40 daniel 6845: } else if ((CUR == '<') && (NXT(1) == '?') &&
6846: (NXT(2) == 'X') && (NXT(3) == 'M') &&
6847: (NXT(4) == 'L')) {
1.19 daniel 6848: /*
6849: * The first drafts were using <?XML and the final W3C REC
6850: * now use <?xml ...
6851: */
1.16 daniel 6852: xmlParseXMLDecl(ctxt);
1.1 veillard 6853: /* SKIP_EOL(cur); */
1.42 daniel 6854: SKIP_BLANKS;
1.1 veillard 6855: } else {
1.72 daniel 6856: ctxt->version = xmlCharStrdup(XML_DEFAULT_VERSION);
1.1 veillard 6857: }
1.72 daniel 6858: if ((ctxt->sax) && (ctxt->sax->startDocument))
1.74 daniel 6859: ctxt->sax->startDocument(ctxt->userData);
1.1 veillard 6860:
6861: /*
6862: * The Misc part of the Prolog
6863: */
1.91 daniel 6864: GROW;
1.16 daniel 6865: xmlParseMisc(ctxt);
1.1 veillard 6866:
6867: /*
1.29 daniel 6868: * Then possibly doc type declaration(s) and more Misc
1.21 daniel 6869: * (doctypedecl Misc*)?
6870: */
1.91 daniel 6871: GROW;
1.40 daniel 6872: if ((CUR == '<') && (NXT(1) == '!') &&
6873: (NXT(2) == 'D') && (NXT(3) == 'O') &&
6874: (NXT(4) == 'C') && (NXT(5) == 'T') &&
6875: (NXT(6) == 'Y') && (NXT(7) == 'P') &&
6876: (NXT(8) == 'E')) {
1.22 daniel 6877: xmlParseDocTypeDecl(ctxt);
1.140 daniel 6878: if (CUR == '[') {
6879: ctxt->instate = XML_PARSER_DTD;
6880: xmlParseInternalSubset(ctxt);
6881: }
1.96 daniel 6882: ctxt->instate = XML_PARSER_PROLOG;
1.22 daniel 6883: xmlParseMisc(ctxt);
1.21 daniel 6884: }
6885:
6886: /*
6887: * Time to start parsing the tree itself
1.1 veillard 6888: */
1.91 daniel 6889: GROW;
1.140 daniel 6890: if (CUR != '<') {
1.59 daniel 6891: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1.74 daniel 6892: ctxt->sax->error(ctxt->userData,
1.140 daniel 6893: "Start tag expect, '<' not found\n");
6894: ctxt->errNo = XML_ERR_DOCUMENT_EMPTY;
1.59 daniel 6895: ctxt->wellFormed = 0;
1.140 daniel 6896: ctxt->instate = XML_PARSER_EOF;
6897: } else {
6898: ctxt->instate = XML_PARSER_CONTENT;
6899: xmlParseElement(ctxt);
6900: ctxt->instate = XML_PARSER_EPILOG;
6901:
6902:
6903: /*
6904: * The Misc part at the end
6905: */
6906: xmlParseMisc(ctxt);
6907:
6908: if (CUR != 0) {
6909: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
6910: ctxt->sax->error(ctxt->userData,
6911: "Extra content at the end of the document\n");
6912: ctxt->wellFormed = 0;
6913: ctxt->errNo = XML_ERR_DOCUMENT_END;
6914: }
6915: ctxt->instate = XML_PARSER_EOF;
1.59 daniel 6916: }
6917:
1.44 daniel 6918: /*
6919: * SAX: end of the document processing.
6920: */
1.72 daniel 6921: if ((ctxt->sax) && (ctxt->sax->endDocument != NULL))
1.74 daniel 6922: ctxt->sax->endDocument(ctxt->userData);
1.59 daniel 6923: if (! ctxt->wellFormed) return(-1);
1.16 daniel 6924: return(0);
6925: }
6926:
1.98 daniel 6927: /************************************************************************
6928: * *
1.128 daniel 6929: * Progressive parsing interfaces *
6930: * *
6931: ************************************************************************/
6932:
6933: /**
6934: * xmlParseLookupSequence:
6935: * @ctxt: an XML parser context
6936: * @first: the first char to lookup
1.140 daniel 6937: * @next: the next char to lookup or zero
6938: * @third: the next char to lookup or zero
1.128 daniel 6939: *
1.140 daniel 6940: * Try to find if a sequence (first, next, third) or just (first next) or
6941: * (first) is available in the input stream.
6942: * This function has a side effect of (possibly) incrementing ctxt->checkIndex
6943: * to avoid rescanning sequences of bytes, it DOES change the state of the
6944: * parser, do not use liberally.
1.128 daniel 6945: *
1.140 daniel 6946: * Returns the index to the current parsing point if the full sequence
6947: * is available, -1 otherwise.
1.128 daniel 6948: */
6949: int
1.140 daniel 6950: xmlParseLookupSequence(xmlParserCtxtPtr ctxt, xmlChar first,
6951: xmlChar next, xmlChar third) {
6952: int base, len;
6953: xmlParserInputPtr in;
6954: const xmlChar *buf;
6955:
6956: in = ctxt->input;
6957: if (in == NULL) return(-1);
6958: base = in->cur - in->base;
6959: if (base < 0) return(-1);
6960: if (ctxt->checkIndex > base)
6961: base = ctxt->checkIndex;
6962: if (in->buf == NULL) {
6963: buf = in->base;
6964: len = in->length;
6965: } else {
6966: buf = in->buf->buffer->content;
6967: len = in->buf->buffer->use;
6968: }
6969: /* take into account the sequence length */
6970: if (third) len -= 2;
6971: else if (next) len --;
6972: for (;base < len;base++) {
6973: if (buf[base] == first) {
6974: if (third != 0) {
6975: if ((buf[base + 1] != next) ||
6976: (buf[base + 2] != third)) continue;
6977: } else if (next != 0) {
6978: if (buf[base + 1] != next) continue;
6979: }
6980: ctxt->checkIndex = 0;
6981: #ifdef DEBUG_PUSH
6982: if (next == 0)
6983: fprintf(stderr, "PP: lookup '%c' found at %d\n",
6984: first, base);
6985: else if (third == 0)
6986: fprintf(stderr, "PP: lookup '%c%c' found at %d\n",
6987: first, next, base);
6988: else
6989: fprintf(stderr, "PP: lookup '%c%c%c' found at %d\n",
6990: first, next, third, base);
6991: #endif
6992: return(base - (in->cur - in->base));
6993: }
6994: }
6995: ctxt->checkIndex = base;
6996: #ifdef DEBUG_PUSH
6997: if (next == 0)
6998: fprintf(stderr, "PP: lookup '%c' failed\n", first);
6999: else if (third == 0)
7000: fprintf(stderr, "PP: lookup '%c%c' failed\n", first, next);
7001: else
7002: fprintf(stderr, "PP: lookup '%c%c%c' failed\n", first, next, third);
7003: #endif
7004: return(-1);
1.128 daniel 7005: }
7006:
7007: /**
7008: * xmlParseTry:
7009: * @ctxt: an XML parser context
7010: *
7011: * Try to progress on parsing
7012: *
7013: * Returns zero if no parsing was possible
7014: */
7015: int
7016: xmlParseTry(xmlParserCtxtPtr ctxt) {
7017: int ret = 0;
1.140 daniel 7018: xmlParserInputPtr in;
7019: int avail;
7020: xmlChar cur, next;
7021:
7022: #ifdef DEBUG_PUSH
7023: switch (ctxt->instate) {
7024: case XML_PARSER_EOF:
7025: fprintf(stderr, "PP: try EOF\n"); break;
7026: case XML_PARSER_START:
7027: fprintf(stderr, "PP: try START\n"); break;
7028: case XML_PARSER_MISC:
7029: fprintf(stderr, "PP: try MISC\n");break;
7030: case XML_PARSER_COMMENT:
7031: fprintf(stderr, "PP: try COMMENT\n");break;
7032: case XML_PARSER_PROLOG:
7033: fprintf(stderr, "PP: try PROLOG\n");break;
7034: case XML_PARSER_START_TAG:
7035: fprintf(stderr, "PP: try START_TAG\n");break;
7036: case XML_PARSER_CONTENT:
7037: fprintf(stderr, "PP: try CONTENT\n");break;
7038: case XML_PARSER_CDATA_SECTION:
7039: fprintf(stderr, "PP: try CDATA_SECTION\n");break;
7040: case XML_PARSER_END_TAG:
7041: fprintf(stderr, "PP: try END_TAG\n");break;
7042: case XML_PARSER_ENTITY_DECL:
7043: fprintf(stderr, "PP: try ENTITY_DECL\n");break;
7044: case XML_PARSER_ENTITY_VALUE:
7045: fprintf(stderr, "PP: try ENTITY_VALUE\n");break;
7046: case XML_PARSER_ATTRIBUTE_VALUE:
7047: fprintf(stderr, "PP: try ATTRIBUTE_VALUE\n");break;
7048: case XML_PARSER_DTD:
7049: fprintf(stderr, "PP: try DTD\n");break;
7050: case XML_PARSER_EPILOG:
7051: fprintf(stderr, "PP: try EPILOG\n");break;
7052: case XML_PARSER_PI:
7053: fprintf(stderr, "PP: try PI\n");break;
7054: }
7055: #endif
1.128 daniel 7056:
7057: while (1) {
1.140 daniel 7058: /*
7059: * Pop-up of finished entities.
7060: */
7061: while ((CUR == 0) && (ctxt->inputNr > 1))
7062: xmlPopInput(ctxt);
7063:
7064: in = ctxt->input;
7065: if (in == NULL) break;
7066: if (in->buf == NULL)
7067: avail = in->length - (in->cur - in->base);
7068: else
7069: avail = in->buf->buffer->use - (in->cur - in->base);
7070: if (avail < 1)
7071: goto done;
1.128 daniel 7072: switch (ctxt->instate) {
7073: case XML_PARSER_EOF:
1.140 daniel 7074: /*
7075: * Document parsing is done !
7076: */
7077: goto done;
7078: case XML_PARSER_START:
7079: /*
7080: * Very first chars read from the document flow.
7081: */
7082: cur = in->cur[0];
7083: if (IS_BLANK(cur)) {
7084: if ((ctxt->sax) && (ctxt->sax->setDocumentLocator))
7085: ctxt->sax->setDocumentLocator(ctxt->userData,
7086: &xmlDefaultSAXLocator);
7087: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
7088: ctxt->sax->error(ctxt->userData,
7089: "Extra spaces at the beginning of the document are not allowed\n");
7090: ctxt->errNo = XML_ERR_DOCUMENT_START;
7091: ctxt->wellFormed = 0;
7092: SKIP_BLANKS;
7093: ret++;
7094: if (in->buf == NULL)
7095: avail = in->length - (in->cur - in->base);
7096: else
7097: avail = in->buf->buffer->use - (in->cur - in->base);
7098: }
7099: if (avail < 2)
7100: goto done;
7101:
7102: cur = in->cur[0];
7103: next = in->cur[1];
7104: if (cur == 0) {
7105: if ((ctxt->sax) && (ctxt->sax->setDocumentLocator))
7106: ctxt->sax->setDocumentLocator(ctxt->userData,
7107: &xmlDefaultSAXLocator);
7108: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
7109: ctxt->sax->error(ctxt->userData, "Document is empty\n");
7110: ctxt->errNo = XML_ERR_DOCUMENT_EMPTY;
7111: ctxt->wellFormed = 0;
7112: ctxt->instate = XML_PARSER_EOF;
7113: #ifdef DEBUG_PUSH
7114: fprintf(stderr, "PP: entering EOF\n");
7115: #endif
7116: if ((ctxt->sax) && (ctxt->sax->endDocument != NULL))
7117: ctxt->sax->endDocument(ctxt->userData);
7118: goto done;
7119: }
7120: if ((cur == '<') && (next == '?')) {
7121: /* PI or XML decl */
7122: if (avail < 5) return(ret);
7123: if (xmlParseLookupSequence(ctxt, '?', '>', 0) < 0)
7124: return(ret);
7125: if ((ctxt->sax) && (ctxt->sax->setDocumentLocator))
7126: ctxt->sax->setDocumentLocator(ctxt->userData,
7127: &xmlDefaultSAXLocator);
7128: if ((in->cur[2] == 'x') &&
7129: (in->cur[3] == 'm') &&
7130: (in->cur[4] == 'l')) {
7131: ret += 5;
7132: #ifdef DEBUG_PUSH
7133: fprintf(stderr, "PP: Parsing XML Decl\n");
7134: #endif
7135: xmlParseXMLDecl(ctxt);
7136: if ((ctxt->sax) && (ctxt->sax->startDocument))
7137: ctxt->sax->startDocument(ctxt->userData);
7138: ctxt->instate = XML_PARSER_MISC;
7139: #ifdef DEBUG_PUSH
7140: fprintf(stderr, "PP: entering MISC\n");
7141: #endif
7142: } else {
7143: ctxt->version = xmlCharStrdup(XML_DEFAULT_VERSION);
7144: if ((ctxt->sax) && (ctxt->sax->startDocument))
7145: ctxt->sax->startDocument(ctxt->userData);
7146: ctxt->instate = XML_PARSER_MISC;
7147: #ifdef DEBUG_PUSH
7148: fprintf(stderr, "PP: entering MISC\n");
7149: #endif
7150: }
7151: } else {
7152: if ((ctxt->sax) && (ctxt->sax->setDocumentLocator))
7153: ctxt->sax->setDocumentLocator(ctxt->userData,
7154: &xmlDefaultSAXLocator);
7155: ctxt->version = xmlCharStrdup(XML_DEFAULT_VERSION);
7156: if ((ctxt->sax) && (ctxt->sax->startDocument))
7157: ctxt->sax->startDocument(ctxt->userData);
7158: ctxt->instate = XML_PARSER_MISC;
7159: #ifdef DEBUG_PUSH
7160: fprintf(stderr, "PP: entering MISC\n");
7161: #endif
7162: }
7163: break;
7164: case XML_PARSER_MISC:
7165: SKIP_BLANKS;
7166: if (in->buf == NULL)
7167: avail = in->length - (in->cur - in->base);
7168: else
7169: avail = in->buf->buffer->use - (in->cur - in->base);
7170: if (avail < 2)
7171: goto done;
7172: cur = in->cur[0];
7173: next = in->cur[1];
7174: if ((cur == '<') && (next == '?')) {
7175: if (xmlParseLookupSequence(ctxt, '?', '>', 0) < 0)
7176: goto done;
7177: #ifdef DEBUG_PUSH
7178: fprintf(stderr, "PP: Parsing PI\n");
7179: #endif
7180: xmlParsePI(ctxt);
7181: } else if ((cur == '<') && (next == '!') &&
7182: (in->cur[2] == '-') && (in->cur[3] == '-')) {
1.141 ! daniel 7183: if (xmlParseLookupSequence(ctxt, '-', '-', '>') < 0)
1.140 daniel 7184: goto done;
7185: #ifdef DEBUG_PUSH
7186: fprintf(stderr, "PP: Parsing Comment\n");
7187: #endif
7188: xmlParseComment(ctxt);
7189: ctxt->instate = XML_PARSER_MISC;
7190: } else if ((cur == '<') && (next == '!') &&
7191: (in->cur[2] == 'D') && (in->cur[3] == 'O') &&
7192: (in->cur[4] == 'C') && (in->cur[5] == 'T') &&
7193: (in->cur[6] == 'Y') && (in->cur[7] == 'P') &&
7194: (in->cur[8] == 'E')) {
7195: if (xmlParseLookupSequence(ctxt, '>', 0, 0) < 0)
7196: goto done;
7197: #ifdef DEBUG_PUSH
7198: fprintf(stderr, "PP: Parsing internal subset\n");
7199: #endif
7200: xmlParseDocTypeDecl(ctxt);
7201: if (CUR == '[') {
7202: ctxt->instate = XML_PARSER_DTD;
7203: #ifdef DEBUG_PUSH
7204: fprintf(stderr, "PP: entering DTD\n");
7205: #endif
7206: } else {
7207: ctxt->instate = XML_PARSER_PROLOG;
7208: #ifdef DEBUG_PUSH
7209: fprintf(stderr, "PP: entering PROLOG\n");
7210: #endif
7211: }
7212: } else if ((cur == '<') && (next == '!') &&
7213: (avail < 9)) {
7214: goto done;
7215: } else {
7216: ctxt->instate = XML_PARSER_START_TAG;
7217: #ifdef DEBUG_PUSH
7218: fprintf(stderr, "PP: entering START_TAG\n");
7219: #endif
7220: }
7221: break;
1.128 daniel 7222: case XML_PARSER_PROLOG:
1.140 daniel 7223: SKIP_BLANKS;
7224: if (in->buf == NULL)
7225: avail = in->length - (in->cur - in->base);
7226: else
7227: avail = in->buf->buffer->use - (in->cur - in->base);
7228: if (avail < 2)
7229: goto done;
7230: cur = in->cur[0];
7231: next = in->cur[1];
7232: if ((cur == '<') && (next == '?')) {
7233: if (xmlParseLookupSequence(ctxt, '?', '>', 0) < 0)
7234: goto done;
7235: #ifdef DEBUG_PUSH
7236: fprintf(stderr, "PP: Parsing PI\n");
7237: #endif
7238: xmlParsePI(ctxt);
7239: } else if ((cur == '<') && (next == '!') &&
7240: (in->cur[2] == '-') && (in->cur[3] == '-')) {
1.141 ! daniel 7241: if (xmlParseLookupSequence(ctxt, '-', '-', '>') < 0)
1.140 daniel 7242: goto done;
7243: #ifdef DEBUG_PUSH
7244: fprintf(stderr, "PP: Parsing Comment\n");
7245: #endif
7246: xmlParseComment(ctxt);
7247: ctxt->instate = XML_PARSER_PROLOG;
7248: } else if ((cur == '<') && (next == '!') &&
7249: (avail < 4)) {
7250: goto done;
7251: } else {
7252: ctxt->instate = XML_PARSER_START_TAG;
7253: #ifdef DEBUG_PUSH
7254: fprintf(stderr, "PP: entering START_TAG\n");
7255: #endif
7256: }
7257: break;
7258: case XML_PARSER_EPILOG:
7259: SKIP_BLANKS;
7260: if (in->buf == NULL)
7261: avail = in->length - (in->cur - in->base);
7262: else
7263: avail = in->buf->buffer->use - (in->cur - in->base);
7264: if (avail < 2)
7265: goto done;
7266: cur = in->cur[0];
7267: next = in->cur[1];
7268: if ((cur == '<') && (next == '?')) {
7269: if (xmlParseLookupSequence(ctxt, '?', '>', 0) < 0)
7270: goto done;
7271: #ifdef DEBUG_PUSH
7272: fprintf(stderr, "PP: Parsing PI\n");
7273: #endif
7274: xmlParsePI(ctxt);
7275: ctxt->instate = XML_PARSER_EPILOG;
7276: } else if ((cur == '<') && (next == '!') &&
7277: (in->cur[2] == '-') && (in->cur[3] == '-')) {
1.141 ! daniel 7278: if (xmlParseLookupSequence(ctxt, '-', '-', '>') < 0)
1.140 daniel 7279: goto done;
7280: #ifdef DEBUG_PUSH
7281: fprintf(stderr, "PP: Parsing Comment\n");
7282: #endif
7283: xmlParseComment(ctxt);
7284: ctxt->instate = XML_PARSER_EPILOG;
7285: } else if ((cur == '<') && (next == '!') &&
7286: (avail < 4)) {
7287: goto done;
7288: } else {
7289: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
7290: ctxt->sax->error(ctxt->userData,
7291: "Extra content at the end of the document\n");
7292: ctxt->wellFormed = 0;
7293: ctxt->errNo = XML_ERR_DOCUMENT_END;
7294: ctxt->instate = XML_PARSER_EOF;
7295: #ifdef DEBUG_PUSH
7296: fprintf(stderr, "PP: entering EOF\n");
7297: #endif
7298: if ((ctxt->sax) && (ctxt->sax->endDocument != NULL))
7299: ctxt->sax->endDocument(ctxt->userData);
7300: goto done;
7301: }
7302: break;
7303: case XML_PARSER_START_TAG: {
7304: xmlChar *name, *oldname;
7305:
7306: if (avail < 2)
7307: goto done;
7308: cur = in->cur[0];
7309: if (cur != '<') {
7310: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
7311: ctxt->sax->error(ctxt->userData,
7312: "Start tag expect, '<' not found\n");
7313: ctxt->errNo = XML_ERR_DOCUMENT_EMPTY;
7314: ctxt->wellFormed = 0;
7315: ctxt->instate = XML_PARSER_EOF;
7316: #ifdef DEBUG_PUSH
7317: fprintf(stderr, "PP: entering EOF\n");
7318: #endif
7319: if ((ctxt->sax) && (ctxt->sax->endDocument != NULL))
7320: ctxt->sax->endDocument(ctxt->userData);
7321: goto done;
7322: }
7323: if (xmlParseLookupSequence(ctxt, '>', 0, 0) < 0)
7324: goto done;
7325: name = xmlParseStartTag(ctxt);
7326: if (name == NULL) {
7327: ctxt->instate = XML_PARSER_EOF;
7328: #ifdef DEBUG_PUSH
7329: fprintf(stderr, "PP: entering EOF\n");
7330: #endif
7331: if ((ctxt->sax) && (ctxt->sax->endDocument != NULL))
7332: ctxt->sax->endDocument(ctxt->userData);
7333: goto done;
7334: }
7335: namePush(ctxt, xmlStrdup(name));
7336:
7337: /*
7338: * [ VC: Root Element Type ]
7339: * The Name in the document type declaration must match
7340: * the element type of the root element.
7341: */
7342: if (ctxt->validate && ctxt->wellFormed && ctxt->myDoc &&
7343: ctxt->node && (ctxt->node == ctxt->myDoc->root))
7344: ctxt->valid &= xmlValidateRoot(&ctxt->vctxt, ctxt->myDoc);
7345:
7346: /*
7347: * Check for an Empty Element.
7348: */
7349: if ((CUR == '/') && (NXT(1) == '>')) {
7350: SKIP(2);
7351: if ((ctxt->sax != NULL) && (ctxt->sax->endElement != NULL))
7352: ctxt->sax->endElement(ctxt->userData, name);
7353: xmlFree(name);
7354: oldname = namePop(ctxt);
7355: if (oldname != NULL) {
7356: #ifdef DEBUG_STACK
7357: fprintf(stderr,"Close: popped %s\n", oldname);
7358: #endif
7359: xmlFree(oldname);
7360: }
7361: if (ctxt->name == NULL) {
7362: ctxt->instate = XML_PARSER_EPILOG;
7363: #ifdef DEBUG_PUSH
7364: fprintf(stderr, "PP: entering EPILOG\n");
7365: #endif
7366: } else {
7367: ctxt->instate = XML_PARSER_CONTENT;
7368: #ifdef DEBUG_PUSH
7369: fprintf(stderr, "PP: entering CONTENT\n");
7370: #endif
7371: }
7372: break;
7373: }
7374: if (CUR == '>') {
7375: NEXT;
7376: } else {
7377: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
7378: ctxt->sax->error(ctxt->userData,
7379: "Couldn't find end of Start Tag %s\n",
7380: name);
7381: ctxt->wellFormed = 0;
7382: ctxt->errNo = XML_ERR_GT_REQUIRED;
7383:
7384: /*
7385: * end of parsing of this node.
7386: */
7387: nodePop(ctxt);
7388: oldname = namePop(ctxt);
7389: if (oldname != NULL) {
7390: #ifdef DEBUG_STACK
7391: fprintf(stderr,"Close: popped %s\n", oldname);
7392: #endif
7393: xmlFree(oldname);
7394: }
7395: }
7396: xmlFree(name);
7397: ctxt->instate = XML_PARSER_CONTENT;
7398: #ifdef DEBUG_PUSH
7399: fprintf(stderr, "PP: entering CONTENT\n");
7400: #endif
7401: break;
7402: }
1.128 daniel 7403: case XML_PARSER_CONTENT:
1.140 daniel 7404: /*
7405: * Handle preparsed entities and charRef
7406: */
7407: if (ctxt->token != 0) {
7408: xmlChar cur[2] = { 0 , 0 } ;
7409:
7410: cur[0] = (xmlChar) ctxt->token;
7411: if ((ctxt->sax != NULL) && (ctxt->sax->characters != NULL))
7412: ctxt->sax->characters(ctxt->userData, cur, 1);
7413: ctxt->token = 0;
7414: }
7415: if (avail < 2)
7416: goto done;
7417: cur = in->cur[0];
7418: next = in->cur[1];
7419: if ((cur == '<') && (next == '?')) {
7420: if (xmlParseLookupSequence(ctxt, '?', '>', 0) < 0)
7421: goto done;
7422: #ifdef DEBUG_PUSH
7423: fprintf(stderr, "PP: Parsing PI\n");
7424: #endif
7425: xmlParsePI(ctxt);
7426: } else if ((cur == '<') && (next == '!') &&
7427: (in->cur[2] == '-') && (in->cur[3] == '-')) {
1.141 ! daniel 7428: if (xmlParseLookupSequence(ctxt, '-', '-', '>') < 0)
1.140 daniel 7429: goto done;
7430: #ifdef DEBUG_PUSH
7431: fprintf(stderr, "PP: Parsing Comment\n");
7432: #endif
7433: xmlParseComment(ctxt);
7434: ctxt->instate = XML_PARSER_CONTENT;
7435: } else if ((cur == '<') && (in->cur[1] == '!') &&
7436: (in->cur[2] == '[') && (NXT(3) == 'C') &&
7437: (in->cur[4] == 'D') && (NXT(5) == 'A') &&
7438: (in->cur[6] == 'T') && (NXT(7) == 'A') &&
7439: (in->cur[8] == '[')) {
7440: SKIP(9);
7441: ctxt->instate = XML_PARSER_CDATA_SECTION;
7442: #ifdef DEBUG_PUSH
7443: fprintf(stderr, "PP: entering CDATA_SECTION\n");
7444: #endif
7445: break;
7446: } else if ((cur == '<') && (next == '!') &&
7447: (avail < 9)) {
7448: goto done;
7449: } else if ((cur == '<') && (next == '/')) {
7450: ctxt->instate = XML_PARSER_END_TAG;
7451: #ifdef DEBUG_PUSH
7452: fprintf(stderr, "PP: entering END_TAG\n");
7453: #endif
7454: break;
7455: } else if (cur == '<') {
7456: ctxt->instate = XML_PARSER_START_TAG;
7457: #ifdef DEBUG_PUSH
7458: fprintf(stderr, "PP: entering START_TAG\n");
7459: #endif
7460: break;
7461: } else if (cur == '&') {
7462: if (xmlParseLookupSequence(ctxt, ';', 0, 0) < 0)
7463: goto done;
7464: #ifdef DEBUG_PUSH
7465: fprintf(stderr, "PP: Parsing Reference\n");
7466: #endif
7467: /* TODO: check generation of subtrees if noent !!! */
7468: xmlParseReference(ctxt);
7469: } else {
7470: /* TODO Avoid the extra copy, handle directly !!!!!! */
7471: /*
7472: * Goal of the following test is :
7473: * - minimize calls to the SAX 'character' callback
7474: * when they are mergeable
7475: * - handle an problem for isBlank when we only parse
7476: * a sequence of blank chars and the next one is
7477: * not available to check against '<' presence.
7478: * - tries to homogenize the differences in SAX
7479: * callbacks beween the push and pull versions
7480: * of the parser.
7481: */
7482: if ((ctxt->inputNr == 1) &&
7483: (avail < XML_PARSER_BIG_BUFFER_SIZE)) {
7484: if (xmlParseLookupSequence(ctxt, '<', 0, 0) < 0)
7485: goto done;
7486: }
7487: ctxt->checkIndex = 0;
7488: #ifdef DEBUG_PUSH
7489: fprintf(stderr, "PP: Parsing char data\n");
7490: #endif
7491: xmlParseCharData(ctxt, 0);
7492: }
7493: /*
7494: * Pop-up of finished entities.
7495: */
7496: while ((CUR == 0) && (ctxt->inputNr > 1))
7497: xmlPopInput(ctxt);
7498: break;
7499: case XML_PARSER_CDATA_SECTION: {
7500: /*
7501: * The Push mode need to have the SAX callback for
7502: * cdataBlock merge back contiguous callbacks.
7503: */
7504: int base;
7505:
7506: in = ctxt->input;
7507: base = xmlParseLookupSequence(ctxt, ']', ']', '>');
7508: if (base < 0) {
7509: if (avail >= XML_PARSER_BIG_BUFFER_SIZE + 2) {
7510: if (ctxt->sax != NULL) {
7511: if (ctxt->sax->cdataBlock != NULL)
7512: ctxt->sax->cdataBlock(ctxt->userData, in->cur,
7513: XML_PARSER_BIG_BUFFER_SIZE);
7514: }
7515: SKIP(XML_PARSER_BIG_BUFFER_SIZE);
7516: ctxt->checkIndex = 0;
7517: }
7518: goto done;
7519: } else {
7520: if ((ctxt->sax != NULL) && (base > 0)) {
7521: if (ctxt->sax->cdataBlock != NULL)
7522: ctxt->sax->cdataBlock(ctxt->userData,
7523: in->cur, base);
7524: }
7525: SKIP(base + 3);
7526: ctxt->checkIndex = 0;
7527: ctxt->instate = XML_PARSER_CONTENT;
7528: #ifdef DEBUG_PUSH
7529: fprintf(stderr, "PP: entering CONTENT\n");
7530: #endif
7531: }
7532: break;
7533: }
1.141 ! daniel 7534: case XML_PARSER_END_TAG:
1.140 daniel 7535: if (avail < 2)
7536: goto done;
7537: if (xmlParseLookupSequence(ctxt, '>', 0, 0) < 0)
7538: goto done;
7539: xmlParseEndTag(ctxt);
7540: if (ctxt->name == NULL) {
7541: ctxt->instate = XML_PARSER_EPILOG;
7542: #ifdef DEBUG_PUSH
7543: fprintf(stderr, "PP: entering EPILOG\n");
7544: #endif
7545: } else {
7546: ctxt->instate = XML_PARSER_CONTENT;
7547: #ifdef DEBUG_PUSH
7548: fprintf(stderr, "PP: entering CONTENT\n");
7549: #endif
7550: }
7551: break;
7552: case XML_PARSER_DTD: {
7553: /*
7554: * Sorry but progressive parsing of the internal subset
7555: * is not expected to be supported. We first check that
7556: * the full content of the internal subset is available and
7557: * the parsing is launched only at that point.
7558: * Internal subset ends up with "']' S? '>'" in an unescaped
7559: * section and not in a ']]>' sequence which are conditional
7560: * sections (whoever argued to keep that crap in XML deserve
7561: * a place in hell !).
7562: */
7563: int base, i;
7564: xmlChar *buf;
7565: xmlChar quote = 0;
7566:
7567: base = in->cur - in->base;
7568: if (base < 0) return(0);
7569: if (ctxt->checkIndex > base)
7570: base = ctxt->checkIndex;
7571: buf = in->buf->buffer->content;
7572: for (;base < in->buf->buffer->use;base++) {
7573: if (quote != 0) {
7574: if (buf[base] == quote)
7575: quote = 0;
7576: continue;
7577: }
7578: if (buf[base] == '"') {
7579: quote = '"';
7580: continue;
7581: }
7582: if (buf[base] == '\'') {
7583: quote = '\'';
7584: continue;
7585: }
7586: if (buf[base] == ']') {
7587: if (base +1 >= in->buf->buffer->use)
7588: break;
7589: if (buf[base + 1] == ']') {
7590: /* conditional crap, skip both ']' ! */
7591: base++;
7592: continue;
7593: }
7594: for (i = 0;base + i < in->buf->buffer->use;i++) {
7595: if (buf[base + i] == '>')
7596: goto found_end_int_subset;
7597: }
7598: break;
7599: }
7600: }
7601: /*
7602: * We didn't found the end of the Internal subset
7603: */
7604: if (quote == 0)
7605: ctxt->checkIndex = base;
7606: #ifdef DEBUG_PUSH
7607: if (next == 0)
7608: fprintf(stderr, "PP: lookup of int subset end filed\n");
7609: #endif
7610: goto done;
7611:
7612: found_end_int_subset:
7613: xmlParseInternalSubset(ctxt);
7614: ctxt->instate = XML_PARSER_PROLOG;
7615: ctxt->checkIndex = 0;
7616: #ifdef DEBUG_PUSH
7617: fprintf(stderr, "PP: entering PROLOG\n");
7618: #endif
7619: break;
7620: }
7621: case XML_PARSER_COMMENT:
7622: fprintf(stderr, "PP: internal error, state == COMMENT\n");
7623: ctxt->instate = XML_PARSER_CONTENT;
7624: #ifdef DEBUG_PUSH
7625: fprintf(stderr, "PP: entering CONTENT\n");
7626: #endif
7627: break;
7628: case XML_PARSER_PI:
7629: fprintf(stderr, "PP: internal error, state == PI\n");
7630: ctxt->instate = XML_PARSER_CONTENT;
7631: #ifdef DEBUG_PUSH
7632: fprintf(stderr, "PP: entering CONTENT\n");
7633: #endif
7634: break;
1.128 daniel 7635: case XML_PARSER_ENTITY_DECL:
1.140 daniel 7636: fprintf(stderr, "PP: internal error, state == ENTITY_DECL\n");
7637: ctxt->instate = XML_PARSER_DTD;
7638: #ifdef DEBUG_PUSH
7639: fprintf(stderr, "PP: entering DTD\n");
7640: #endif
7641: break;
1.128 daniel 7642: case XML_PARSER_ENTITY_VALUE:
1.140 daniel 7643: fprintf(stderr, "PP: internal error, state == ENTITY_VALUE\n");
7644: ctxt->instate = XML_PARSER_CONTENT;
7645: #ifdef DEBUG_PUSH
7646: fprintf(stderr, "PP: entering DTD\n");
7647: #endif
7648: break;
1.128 daniel 7649: case XML_PARSER_ATTRIBUTE_VALUE:
1.140 daniel 7650: fprintf(stderr, "PP: internal error, state == ATTRIBUTE_VALUE\n");
7651: ctxt->instate = XML_PARSER_START_TAG;
7652: #ifdef DEBUG_PUSH
7653: fprintf(stderr, "PP: entering START_TAG\n");
7654: #endif
7655: break;
1.128 daniel 7656: }
7657: }
1.140 daniel 7658: done:
7659: #ifdef DEBUG_PUSH
7660: fprintf(stderr, "PP: done %d\n", ret);
7661: #endif
1.128 daniel 7662: return(ret);
7663: }
7664:
7665: /**
7666: * xmlParseChunk:
7667: * @ctxt: an XML parser context
7668: * @chunk: an char array
7669: * @size: the size in byte of the chunk
7670: * @terminate: last chunk indicator
7671: *
7672: * Parse a Chunk of memory
7673: *
7674: * Returns zero if no error, the xmlParserErrors otherwise.
7675: */
1.140 daniel 7676: int
1.128 daniel 7677: xmlParseChunk(xmlParserCtxtPtr ctxt, const char *chunk, int size,
7678: int terminate) {
1.132 daniel 7679: if ((size > 0) && (chunk != NULL) && (ctxt->input != NULL) &&
1.140 daniel 7680: (ctxt->input->buf != NULL) && (ctxt->instate != XML_PARSER_EOF)) {
7681: int base = ctxt->input->base - ctxt->input->buf->buffer->content;
7682: int cur = ctxt->input->cur - ctxt->input->base;
7683:
1.132 daniel 7684: xmlParserInputBufferPush(ctxt->input->buf, size, chunk);
1.140 daniel 7685: ctxt->input->base = ctxt->input->buf->buffer->content + base;
7686: ctxt->input->cur = ctxt->input->base + cur;
7687: #ifdef DEBUG_PUSH
7688: fprintf(stderr, "PP: pushed %d\n", size);
7689: #endif
7690:
7691: xmlParseTry(ctxt);
7692: } else if (ctxt->instate != XML_PARSER_EOF)
7693: xmlParseTry(ctxt);
7694: if (terminate) {
7695: if ((ctxt->instate != XML_PARSER_EOF) &&
7696: (ctxt->instate != XML_PARSER_EPILOG)) {
7697: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
7698: ctxt->sax->error(ctxt->userData,
7699: "Extra content at the end of the document\n");
7700: ctxt->wellFormed = 0;
7701: ctxt->errNo = XML_ERR_DOCUMENT_END;
7702: }
7703: if (ctxt->instate != XML_PARSER_EOF) {
7704: if ((ctxt->sax) && (ctxt->sax->endDocument != NULL))
7705: ctxt->sax->endDocument(ctxt->userData);
7706: }
7707: ctxt->instate = XML_PARSER_EOF;
1.128 daniel 7708: }
7709: return((xmlParserErrors) ctxt->errNo);
7710: }
7711:
7712: /************************************************************************
7713: * *
1.98 daniel 7714: * I/O front end functions to the parser *
7715: * *
7716: ************************************************************************/
7717:
1.50 daniel 7718: /**
1.140 daniel 7719: * xmlCreatePushParserCtxt :
7720: * @sax: a SAX handler
7721: * @user_data: The user data returned on SAX callbacks
7722: * @chunk: a pointer to an array of chars
7723: * @size: number of chars in the array
7724: * @filename: an optional file name or URI
7725: *
7726: * Create a parser context for using the XML parser in push mode
7727: * To allow content encoding detection, @size should be >= 4
7728: * The value of @filename is used for fetching external entities
7729: * and error/warning reports.
7730: *
7731: * Returns the new parser context or NULL
7732: */
7733: xmlParserCtxtPtr
7734: xmlCreatePushParserCtxt(xmlSAXHandlerPtr sax, void *user_data,
7735: const char *chunk, int size, const char *filename) {
7736: xmlParserCtxtPtr ctxt;
7737: xmlParserInputPtr inputStream;
7738: xmlParserInputBufferPtr buf;
7739: xmlCharEncoding enc = XML_CHAR_ENCODING_NONE;
7740:
7741: /*
7742: * plug some encoding conversion routines here. !!!
7743: */
7744: if ((chunk != NULL) && (size >= 4))
7745: enc = xmlDetectCharEncoding((const xmlChar *) chunk);
7746:
7747: buf = xmlAllocParserInputBuffer(enc);
7748: if (buf == NULL) return(NULL);
7749:
7750: ctxt = xmlNewParserCtxt();
7751: if (ctxt == NULL) {
7752: xmlFree(buf);
7753: return(NULL);
7754: }
7755: if (sax != NULL) {
7756: if (ctxt->sax != &xmlDefaultSAXHandler)
7757: xmlFree(ctxt->sax);
7758: ctxt->sax = (xmlSAXHandlerPtr) xmlMalloc(sizeof(xmlSAXHandler));
7759: if (ctxt->sax == NULL) {
7760: xmlFree(buf);
7761: xmlFree(ctxt);
7762: return(NULL);
7763: }
7764: memcpy(ctxt->sax, sax, sizeof(xmlSAXHandler));
7765: if (user_data != NULL)
7766: ctxt->userData = user_data;
7767: }
7768: if (filename == NULL) {
7769: ctxt->directory = NULL;
7770: } else {
7771: ctxt->directory = xmlParserGetDirectory(filename);
7772: }
7773:
7774: inputStream = xmlNewInputStream(ctxt);
7775: if (inputStream == NULL) {
7776: xmlFreeParserCtxt(ctxt);
7777: return(NULL);
7778: }
7779:
7780: if (filename == NULL)
7781: inputStream->filename = NULL;
7782: else
7783: inputStream->filename = xmlMemStrdup(filename);
7784: inputStream->buf = buf;
7785: inputStream->base = inputStream->buf->buffer->content;
7786: inputStream->cur = inputStream->buf->buffer->content;
7787:
7788: inputPush(ctxt, inputStream);
7789:
7790: if ((size > 0) && (chunk != NULL) && (ctxt->input != NULL) &&
7791: (ctxt->input->buf != NULL)) {
7792: xmlParserInputBufferPush(ctxt->input->buf, size, chunk);
7793: #ifdef DEBUG_PUSH
7794: fprintf(stderr, "PP: pushed %d\n", size);
7795: #endif
7796: }
7797:
7798: return(ctxt);
7799: }
7800:
7801: /**
1.86 daniel 7802: * xmlCreateDocParserCtxt :
1.123 daniel 7803: * @cur: a pointer to an array of xmlChar
1.50 daniel 7804: *
1.69 daniel 7805: * Create a parser context for an XML in-memory document.
7806: *
7807: * Returns the new parser context or NULL
1.16 daniel 7808: */
1.69 daniel 7809: xmlParserCtxtPtr
1.123 daniel 7810: xmlCreateDocParserCtxt(xmlChar *cur) {
1.16 daniel 7811: xmlParserCtxtPtr ctxt;
1.40 daniel 7812: xmlParserInputPtr input;
1.75 daniel 7813: xmlCharEncoding enc;
1.16 daniel 7814:
1.97 daniel 7815: ctxt = xmlNewParserCtxt();
1.16 daniel 7816: if (ctxt == NULL) {
7817: return(NULL);
7818: }
1.96 daniel 7819: input = xmlNewInputStream(ctxt);
1.40 daniel 7820: if (input == NULL) {
1.97 daniel 7821: xmlFreeParserCtxt(ctxt);
1.40 daniel 7822: return(NULL);
7823: }
7824:
1.75 daniel 7825: /*
7826: * plug some encoding conversion routines here. !!!
7827: */
7828: enc = xmlDetectCharEncoding(cur);
7829: xmlSwitchEncoding(ctxt, enc);
7830:
1.40 daniel 7831: input->base = cur;
7832: input->cur = cur;
7833:
7834: inputPush(ctxt, input);
1.69 daniel 7835: return(ctxt);
7836: }
7837:
7838: /**
7839: * xmlSAXParseDoc :
7840: * @sax: the SAX handler block
1.123 daniel 7841: * @cur: a pointer to an array of xmlChar
1.69 daniel 7842: * @recovery: work in recovery mode, i.e. tries to read no Well Formed
7843: * documents
7844: *
7845: * parse an XML in-memory document and build a tree.
7846: * It use the given SAX function block to handle the parsing callback.
7847: * If sax is NULL, fallback to the default DOM tree building routines.
7848: *
7849: * Returns the resulting document tree
7850: */
7851:
7852: xmlDocPtr
1.123 daniel 7853: xmlSAXParseDoc(xmlSAXHandlerPtr sax, xmlChar *cur, int recovery) {
1.69 daniel 7854: xmlDocPtr ret;
7855: xmlParserCtxtPtr ctxt;
7856:
7857: if (cur == NULL) return(NULL);
1.16 daniel 7858:
7859:
1.69 daniel 7860: ctxt = xmlCreateDocParserCtxt(cur);
7861: if (ctxt == NULL) return(NULL);
1.74 daniel 7862: if (sax != NULL) {
7863: ctxt->sax = sax;
7864: ctxt->userData = NULL;
7865: }
1.69 daniel 7866:
1.16 daniel 7867: xmlParseDocument(ctxt);
1.72 daniel 7868: if ((ctxt->wellFormed) || recovery) ret = ctxt->myDoc;
1.59 daniel 7869: else {
7870: ret = NULL;
1.72 daniel 7871: xmlFreeDoc(ctxt->myDoc);
7872: ctxt->myDoc = NULL;
1.59 daniel 7873: }
1.86 daniel 7874: if (sax != NULL)
7875: ctxt->sax = NULL;
1.69 daniel 7876: xmlFreeParserCtxt(ctxt);
1.16 daniel 7877:
1.1 veillard 7878: return(ret);
7879: }
7880:
1.50 daniel 7881: /**
1.55 daniel 7882: * xmlParseDoc :
1.123 daniel 7883: * @cur: a pointer to an array of xmlChar
1.55 daniel 7884: *
7885: * parse an XML in-memory document and build a tree.
7886: *
1.68 daniel 7887: * Returns the resulting document tree
1.55 daniel 7888: */
7889:
1.69 daniel 7890: xmlDocPtr
1.123 daniel 7891: xmlParseDoc(xmlChar *cur) {
1.59 daniel 7892: return(xmlSAXParseDoc(NULL, cur, 0));
1.76 daniel 7893: }
7894:
7895: /**
7896: * xmlSAXParseDTD :
7897: * @sax: the SAX handler block
7898: * @ExternalID: a NAME* containing the External ID of the DTD
7899: * @SystemID: a NAME* containing the URL to the DTD
7900: *
7901: * Load and parse an external subset.
7902: *
7903: * Returns the resulting xmlDtdPtr or NULL in case of error.
7904: */
7905:
7906: xmlDtdPtr
1.123 daniel 7907: xmlSAXParseDTD(xmlSAXHandlerPtr sax, const xmlChar *ExternalID,
7908: const xmlChar *SystemID) {
1.76 daniel 7909: xmlDtdPtr ret = NULL;
7910: xmlParserCtxtPtr ctxt;
1.83 daniel 7911: xmlParserInputPtr input = NULL;
1.76 daniel 7912: xmlCharEncoding enc;
7913:
7914: if ((ExternalID == NULL) && (SystemID == NULL)) return(NULL);
7915:
1.97 daniel 7916: ctxt = xmlNewParserCtxt();
1.76 daniel 7917: if (ctxt == NULL) {
7918: return(NULL);
7919: }
7920:
7921: /*
7922: * Set-up the SAX context
7923: */
7924: if (ctxt == NULL) return(NULL);
7925: if (sax != NULL) {
1.93 veillard 7926: if (ctxt->sax != NULL)
1.119 daniel 7927: xmlFree(ctxt->sax);
1.76 daniel 7928: ctxt->sax = sax;
7929: ctxt->userData = NULL;
7930: }
7931:
7932: /*
7933: * Ask the Entity resolver to load the damn thing
7934: */
7935:
7936: if ((ctxt->sax != NULL) && (ctxt->sax->resolveEntity != NULL))
7937: input = ctxt->sax->resolveEntity(ctxt->userData, ExternalID, SystemID);
7938: if (input == NULL) {
1.86 daniel 7939: if (sax != NULL) ctxt->sax = NULL;
1.76 daniel 7940: xmlFreeParserCtxt(ctxt);
7941: return(NULL);
7942: }
7943:
7944: /*
7945: * plug some encoding conversion routines here. !!!
7946: */
7947: xmlPushInput(ctxt, input);
7948: enc = xmlDetectCharEncoding(ctxt->input->cur);
7949: xmlSwitchEncoding(ctxt, enc);
7950:
1.95 veillard 7951: if (input->filename == NULL)
1.116 daniel 7952: input->filename = (char *) xmlStrdup(SystemID); /* !!!!!!! */
1.76 daniel 7953: input->line = 1;
7954: input->col = 1;
7955: input->base = ctxt->input->cur;
7956: input->cur = ctxt->input->cur;
7957: input->free = NULL;
7958:
7959: /*
7960: * let's parse that entity knowing it's an external subset.
7961: */
1.79 daniel 7962: xmlParseExternalSubset(ctxt, ExternalID, SystemID);
1.76 daniel 7963:
7964: if (ctxt->myDoc != NULL) {
7965: if (ctxt->wellFormed) {
7966: ret = ctxt->myDoc->intSubset;
7967: ctxt->myDoc->intSubset = NULL;
7968: } else {
7969: ret = NULL;
7970: }
7971: xmlFreeDoc(ctxt->myDoc);
7972: ctxt->myDoc = NULL;
7973: }
1.86 daniel 7974: if (sax != NULL) ctxt->sax = NULL;
1.76 daniel 7975: xmlFreeParserCtxt(ctxt);
7976:
7977: return(ret);
7978: }
7979:
7980: /**
7981: * xmlParseDTD :
7982: * @ExternalID: a NAME* containing the External ID of the DTD
7983: * @SystemID: a NAME* containing the URL to the DTD
7984: *
7985: * Load and parse an external subset.
7986: *
7987: * Returns the resulting xmlDtdPtr or NULL in case of error.
7988: */
7989:
7990: xmlDtdPtr
1.123 daniel 7991: xmlParseDTD(const xmlChar *ExternalID, const xmlChar *SystemID) {
1.76 daniel 7992: return(xmlSAXParseDTD(NULL, ExternalID, SystemID));
1.59 daniel 7993: }
7994:
7995: /**
7996: * xmlRecoverDoc :
1.123 daniel 7997: * @cur: a pointer to an array of xmlChar
1.59 daniel 7998: *
7999: * parse an XML in-memory document and build a tree.
8000: * In the case the document is not Well Formed, a tree is built anyway
8001: *
1.68 daniel 8002: * Returns the resulting document tree
1.59 daniel 8003: */
8004:
1.69 daniel 8005: xmlDocPtr
1.123 daniel 8006: xmlRecoverDoc(xmlChar *cur) {
1.59 daniel 8007: return(xmlSAXParseDoc(NULL, cur, 1));
1.55 daniel 8008: }
8009:
8010: /**
1.69 daniel 8011: * xmlCreateFileParserCtxt :
1.50 daniel 8012: * @filename: the filename
8013: *
1.69 daniel 8014: * Create a parser context for a file content.
8015: * Automatic support for ZLIB/Compress compressed document is provided
8016: * by default if found at compile-time.
1.50 daniel 8017: *
1.69 daniel 8018: * Returns the new parser context or NULL
1.9 httpng 8019: */
1.69 daniel 8020: xmlParserCtxtPtr
8021: xmlCreateFileParserCtxt(const char *filename)
8022: {
8023: xmlParserCtxtPtr ctxt;
1.40 daniel 8024: xmlParserInputPtr inputStream;
1.91 daniel 8025: xmlParserInputBufferPtr buf;
1.111 daniel 8026: char *directory = NULL;
1.9 httpng 8027:
1.91 daniel 8028: buf = xmlParserInputBufferCreateFilename(filename, XML_CHAR_ENCODING_NONE);
8029: if (buf == NULL) return(NULL);
1.9 httpng 8030:
1.97 daniel 8031: ctxt = xmlNewParserCtxt();
1.16 daniel 8032: if (ctxt == NULL) {
8033: return(NULL);
8034: }
1.97 daniel 8035:
1.96 daniel 8036: inputStream = xmlNewInputStream(ctxt);
1.40 daniel 8037: if (inputStream == NULL) {
1.97 daniel 8038: xmlFreeParserCtxt(ctxt);
1.40 daniel 8039: return(NULL);
8040: }
8041:
1.119 daniel 8042: inputStream->filename = xmlMemStrdup(filename);
1.91 daniel 8043: inputStream->buf = buf;
8044: inputStream->base = inputStream->buf->buffer->content;
8045: inputStream->cur = inputStream->buf->buffer->content;
1.16 daniel 8046:
1.40 daniel 8047: inputPush(ctxt, inputStream);
1.110 daniel 8048: if ((ctxt->directory == NULL) && (directory == NULL))
1.106 daniel 8049: directory = xmlParserGetDirectory(filename);
8050: if ((ctxt->directory == NULL) && (directory != NULL))
1.110 daniel 8051: ctxt->directory = directory;
1.106 daniel 8052:
1.69 daniel 8053: return(ctxt);
8054: }
8055:
8056: /**
8057: * xmlSAXParseFile :
8058: * @sax: the SAX handler block
8059: * @filename: the filename
8060: * @recovery: work in recovery mode, i.e. tries to read no Well Formed
8061: * documents
8062: *
8063: * parse an XML file and build a tree. Automatic support for ZLIB/Compress
8064: * compressed document is provided by default if found at compile-time.
8065: * It use the given SAX function block to handle the parsing callback.
8066: * If sax is NULL, fallback to the default DOM tree building routines.
8067: *
8068: * Returns the resulting document tree
8069: */
8070:
1.79 daniel 8071: xmlDocPtr
8072: xmlSAXParseFile(xmlSAXHandlerPtr sax, const char *filename,
1.69 daniel 8073: int recovery) {
8074: xmlDocPtr ret;
8075: xmlParserCtxtPtr ctxt;
1.111 daniel 8076: char *directory = NULL;
1.69 daniel 8077:
8078: ctxt = xmlCreateFileParserCtxt(filename);
8079: if (ctxt == NULL) return(NULL);
1.74 daniel 8080: if (sax != NULL) {
1.93 veillard 8081: if (ctxt->sax != NULL)
1.119 daniel 8082: xmlFree(ctxt->sax);
1.74 daniel 8083: ctxt->sax = sax;
8084: ctxt->userData = NULL;
8085: }
1.106 daniel 8086:
1.110 daniel 8087: if ((ctxt->directory == NULL) && (directory == NULL))
1.106 daniel 8088: directory = xmlParserGetDirectory(filename);
8089: if ((ctxt->directory == NULL) && (directory != NULL))
1.123 daniel 8090: ctxt->directory = (char *) xmlStrdup((xmlChar *) directory); /* !!!!!!! */
1.16 daniel 8091:
8092: xmlParseDocument(ctxt);
1.40 daniel 8093:
1.72 daniel 8094: if ((ctxt->wellFormed) || recovery) ret = ctxt->myDoc;
1.59 daniel 8095: else {
8096: ret = NULL;
1.72 daniel 8097: xmlFreeDoc(ctxt->myDoc);
8098: ctxt->myDoc = NULL;
1.59 daniel 8099: }
1.86 daniel 8100: if (sax != NULL)
8101: ctxt->sax = NULL;
1.69 daniel 8102: xmlFreeParserCtxt(ctxt);
1.20 daniel 8103:
8104: return(ret);
8105: }
8106:
1.55 daniel 8107: /**
8108: * xmlParseFile :
8109: * @filename: the filename
8110: *
8111: * parse an XML file and build a tree. Automatic support for ZLIB/Compress
8112: * compressed document is provided by default if found at compile-time.
8113: *
1.68 daniel 8114: * Returns the resulting document tree
1.55 daniel 8115: */
8116:
1.79 daniel 8117: xmlDocPtr
8118: xmlParseFile(const char *filename) {
1.59 daniel 8119: return(xmlSAXParseFile(NULL, filename, 0));
8120: }
8121:
8122: /**
8123: * xmlRecoverFile :
8124: * @filename: the filename
8125: *
8126: * parse an XML file and build a tree. Automatic support for ZLIB/Compress
8127: * compressed document is provided by default if found at compile-time.
8128: * In the case the document is not Well Formed, a tree is built anyway
8129: *
1.68 daniel 8130: * Returns the resulting document tree
1.59 daniel 8131: */
8132:
1.79 daniel 8133: xmlDocPtr
8134: xmlRecoverFile(const char *filename) {
1.59 daniel 8135: return(xmlSAXParseFile(NULL, filename, 1));
1.55 daniel 8136: }
1.32 daniel 8137:
1.50 daniel 8138: /**
1.69 daniel 8139: * xmlCreateMemoryParserCtxt :
1.68 daniel 8140: * @buffer: an pointer to a char array
1.127 daniel 8141: * @size: the size of the array
1.50 daniel 8142: *
1.69 daniel 8143: * Create a parser context for an XML in-memory document.
1.50 daniel 8144: *
1.69 daniel 8145: * Returns the new parser context or NULL
1.20 daniel 8146: */
1.69 daniel 8147: xmlParserCtxtPtr
8148: xmlCreateMemoryParserCtxt(char *buffer, int size) {
1.20 daniel 8149: xmlParserCtxtPtr ctxt;
1.40 daniel 8150: xmlParserInputPtr input;
1.75 daniel 8151: xmlCharEncoding enc;
1.40 daniel 8152:
8153: buffer[size - 1] = '\0';
8154:
1.97 daniel 8155: ctxt = xmlNewParserCtxt();
1.20 daniel 8156: if (ctxt == NULL) {
8157: return(NULL);
8158: }
1.97 daniel 8159:
1.96 daniel 8160: input = xmlNewInputStream(ctxt);
1.40 daniel 8161: if (input == NULL) {
1.97 daniel 8162: xmlFreeParserCtxt(ctxt);
1.40 daniel 8163: return(NULL);
8164: }
1.20 daniel 8165:
1.40 daniel 8166: input->filename = NULL;
8167: input->line = 1;
8168: input->col = 1;
1.96 daniel 8169: input->buf = NULL;
1.91 daniel 8170: input->consumed = 0;
1.45 daniel 8171:
8172: /*
1.75 daniel 8173: * plug some encoding conversion routines here. !!!
1.45 daniel 8174: */
1.116 daniel 8175: enc = xmlDetectCharEncoding(BAD_CAST buffer);
1.75 daniel 8176: xmlSwitchEncoding(ctxt, enc);
8177:
1.116 daniel 8178: input->base = BAD_CAST buffer;
8179: input->cur = BAD_CAST buffer;
1.69 daniel 8180: input->free = NULL;
1.20 daniel 8181:
1.40 daniel 8182: inputPush(ctxt, input);
1.69 daniel 8183: return(ctxt);
8184: }
8185:
8186: /**
8187: * xmlSAXParseMemory :
8188: * @sax: the SAX handler block
8189: * @buffer: an pointer to a char array
1.127 daniel 8190: * @size: the size of the array
8191: * @recovery: work in recovery mode, i.e. tries to read not Well Formed
1.69 daniel 8192: * documents
8193: *
8194: * parse an XML in-memory block and use the given SAX function block
8195: * to handle the parsing callback. If sax is NULL, fallback to the default
8196: * DOM tree building routines.
8197: *
8198: * Returns the resulting document tree
8199: */
8200: xmlDocPtr
8201: xmlSAXParseMemory(xmlSAXHandlerPtr sax, char *buffer, int size, int recovery) {
8202: xmlDocPtr ret;
8203: xmlParserCtxtPtr ctxt;
8204:
8205: ctxt = xmlCreateMemoryParserCtxt(buffer, size);
8206: if (ctxt == NULL) return(NULL);
1.74 daniel 8207: if (sax != NULL) {
8208: ctxt->sax = sax;
8209: ctxt->userData = NULL;
8210: }
1.20 daniel 8211:
8212: xmlParseDocument(ctxt);
1.40 daniel 8213:
1.72 daniel 8214: if ((ctxt->wellFormed) || recovery) ret = ctxt->myDoc;
1.59 daniel 8215: else {
8216: ret = NULL;
1.72 daniel 8217: xmlFreeDoc(ctxt->myDoc);
8218: ctxt->myDoc = NULL;
1.59 daniel 8219: }
1.86 daniel 8220: if (sax != NULL)
8221: ctxt->sax = NULL;
1.69 daniel 8222: xmlFreeParserCtxt(ctxt);
1.16 daniel 8223:
1.9 httpng 8224: return(ret);
1.17 daniel 8225: }
8226:
1.55 daniel 8227: /**
8228: * xmlParseMemory :
1.68 daniel 8229: * @buffer: an pointer to a char array
1.55 daniel 8230: * @size: the size of the array
8231: *
8232: * parse an XML in-memory block and build a tree.
8233: *
1.68 daniel 8234: * Returns the resulting document tree
1.55 daniel 8235: */
8236:
8237: xmlDocPtr xmlParseMemory(char *buffer, int size) {
1.59 daniel 8238: return(xmlSAXParseMemory(NULL, buffer, size, 0));
8239: }
8240:
8241: /**
8242: * xmlRecoverMemory :
1.68 daniel 8243: * @buffer: an pointer to a char array
1.59 daniel 8244: * @size: the size of the array
8245: *
8246: * parse an XML in-memory block and build a tree.
8247: * In the case the document is not Well Formed, a tree is built anyway
8248: *
1.68 daniel 8249: * Returns the resulting document tree
1.59 daniel 8250: */
8251:
8252: xmlDocPtr xmlRecoverMemory(char *buffer, int size) {
8253: return(xmlSAXParseMemory(NULL, buffer, size, 1));
1.17 daniel 8254: }
8255:
8256:
1.50 daniel 8257: /**
8258: * xmlSetupParserForBuffer:
8259: * @ctxt: an XML parser context
1.123 daniel 8260: * @buffer: a xmlChar * buffer
1.50 daniel 8261: * @filename: a file name
8262: *
1.19 daniel 8263: * Setup the parser context to parse a new buffer; Clears any prior
8264: * contents from the parser context. The buffer parameter must not be
8265: * NULL, but the filename parameter can be
8266: */
1.55 daniel 8267: void
1.123 daniel 8268: xmlSetupParserForBuffer(xmlParserCtxtPtr ctxt, const xmlChar* buffer,
1.17 daniel 8269: const char* filename)
8270: {
1.96 daniel 8271: xmlParserInputPtr input;
1.40 daniel 8272:
1.96 daniel 8273: input = xmlNewInputStream(ctxt);
8274: if (input == NULL) {
8275: perror("malloc");
1.119 daniel 8276: xmlFree(ctxt);
1.96 daniel 8277: exit(1);
8278: }
8279:
8280: xmlClearParserCtxt(ctxt);
8281: if (filename != NULL)
1.119 daniel 8282: input->filename = xmlMemStrdup(filename);
1.96 daniel 8283: input->base = buffer;
8284: input->cur = buffer;
8285: inputPush(ctxt, input);
1.17 daniel 8286: }
8287:
1.123 daniel 8288: /**
8289: * xmlSAXUserParseFile:
8290: * @sax: a SAX handler
8291: * @user_data: The user data returned on SAX callbacks
8292: * @filename: a file name
8293: *
8294: * parse an XML file and call the given SAX handler routines.
8295: * Automatic support for ZLIB/Compress compressed document is provided
8296: *
8297: * Returns 0 in case of success or a error number otherwise
8298: */
1.131 daniel 8299: int
8300: xmlSAXUserParseFile(xmlSAXHandlerPtr sax, void *user_data,
8301: const char *filename) {
1.123 daniel 8302: int ret = 0;
8303: xmlParserCtxtPtr ctxt;
8304:
8305: ctxt = xmlCreateFileParserCtxt(filename);
8306: if (ctxt == NULL) return -1;
1.134 daniel 8307: if (ctxt->sax != &xmlDefaultSAXHandler)
8308: xmlFree(ctxt->sax);
1.123 daniel 8309: ctxt->sax = sax;
1.140 daniel 8310: if (user_data != NULL)
8311: ctxt->userData = user_data;
1.123 daniel 8312:
8313: xmlParseDocument(ctxt);
8314:
8315: if (ctxt->wellFormed)
8316: ret = 0;
8317: else {
8318: if (ctxt->errNo != 0)
8319: ret = ctxt->errNo;
8320: else
8321: ret = -1;
8322: }
8323: if (sax != NULL)
8324: ctxt->sax = NULL;
8325: xmlFreeParserCtxt(ctxt);
8326:
8327: return ret;
8328: }
8329:
8330: /**
8331: * xmlSAXUserParseMemory:
8332: * @sax: a SAX handler
8333: * @user_data: The user data returned on SAX callbacks
8334: * @buffer: an in-memory XML document input
1.127 daniel 8335: * @size: the length of the XML document in bytes
1.123 daniel 8336: *
8337: * A better SAX parsing routine.
8338: * parse an XML in-memory buffer and call the given SAX handler routines.
8339: *
8340: * Returns 0 in case of success or a error number otherwise
8341: */
8342: int xmlSAXUserParseMemory(xmlSAXHandlerPtr sax, void *user_data,
8343: char *buffer, int size) {
8344: int ret = 0;
8345: xmlParserCtxtPtr ctxt;
8346:
8347: ctxt = xmlCreateMemoryParserCtxt(buffer, size);
8348: if (ctxt == NULL) return -1;
8349: ctxt->sax = sax;
8350: ctxt->userData = user_data;
8351:
8352: xmlParseDocument(ctxt);
8353:
8354: if (ctxt->wellFormed)
8355: ret = 0;
8356: else {
8357: if (ctxt->errNo != 0)
8358: ret = ctxt->errNo;
8359: else
8360: ret = -1;
8361: }
8362: if (sax != NULL)
8363: ctxt->sax = NULL;
8364: xmlFreeParserCtxt(ctxt);
8365:
8366: return ret;
8367: }
8368:
1.32 daniel 8369:
1.98 daniel 8370: /************************************************************************
8371: * *
1.127 daniel 8372: * Miscellaneous *
1.98 daniel 8373: * *
8374: ************************************************************************/
8375:
1.132 daniel 8376: /**
8377: * xmlCleanupParser:
8378: *
8379: * Cleanup function for the XML parser. It tries to reclaim all
8380: * parsing related global memory allocated for the parser processing.
8381: * It doesn't deallocate any document related memory. Calling this
8382: * function should not prevent reusing the parser.
8383: */
8384:
8385: void
8386: xmlCleanupParser(void) {
8387: xmlCleanupCharEncodingHandlers();
1.133 daniel 8388: xmlCleanupPredefinedEntities();
1.132 daniel 8389: }
1.98 daniel 8390:
1.50 daniel 8391: /**
8392: * xmlParserFindNodeInfo:
8393: * @ctxt: an XML parser context
8394: * @node: an XML node within the tree
8395: *
8396: * Find the parser node info struct for a given node
8397: *
1.68 daniel 8398: * Returns an xmlParserNodeInfo block pointer or NULL
1.32 daniel 8399: */
8400: const xmlParserNodeInfo* xmlParserFindNodeInfo(const xmlParserCtxt* ctx,
8401: const xmlNode* node)
8402: {
8403: unsigned long pos;
8404:
8405: /* Find position where node should be at */
8406: pos = xmlParserFindNodeInfoIndex(&ctx->node_seq, node);
8407: if ( ctx->node_seq.buffer[pos].node == node )
8408: return &ctx->node_seq.buffer[pos];
8409: else
8410: return NULL;
8411: }
8412:
8413:
1.50 daniel 8414: /**
8415: * xmlInitNodeInfoSeq :
8416: * @seq: a node info sequence pointer
8417: *
8418: * -- Initialize (set to initial state) node info sequence
1.32 daniel 8419: */
1.55 daniel 8420: void
8421: xmlInitNodeInfoSeq(xmlParserNodeInfoSeqPtr seq)
1.32 daniel 8422: {
8423: seq->length = 0;
8424: seq->maximum = 0;
8425: seq->buffer = NULL;
8426: }
8427:
1.50 daniel 8428: /**
8429: * xmlClearNodeInfoSeq :
8430: * @seq: a node info sequence pointer
8431: *
8432: * -- Clear (release memory and reinitialize) node
1.32 daniel 8433: * info sequence
8434: */
1.55 daniel 8435: void
8436: xmlClearNodeInfoSeq(xmlParserNodeInfoSeqPtr seq)
1.32 daniel 8437: {
8438: if ( seq->buffer != NULL )
1.119 daniel 8439: xmlFree(seq->buffer);
1.32 daniel 8440: xmlInitNodeInfoSeq(seq);
8441: }
8442:
8443:
1.50 daniel 8444: /**
8445: * xmlParserFindNodeInfoIndex:
8446: * @seq: a node info sequence pointer
8447: * @node: an XML node pointer
8448: *
8449: *
1.32 daniel 8450: * xmlParserFindNodeInfoIndex : Find the index that the info record for
8451: * the given node is or should be at in a sorted sequence
1.68 daniel 8452: *
8453: * Returns a long indicating the position of the record
1.32 daniel 8454: */
8455: unsigned long xmlParserFindNodeInfoIndex(const xmlParserNodeInfoSeq* seq,
8456: const xmlNode* node)
8457: {
8458: unsigned long upper, lower, middle;
8459: int found = 0;
8460:
8461: /* Do a binary search for the key */
8462: lower = 1;
8463: upper = seq->length;
8464: middle = 0;
8465: while ( lower <= upper && !found) {
8466: middle = lower + (upper - lower) / 2;
8467: if ( node == seq->buffer[middle - 1].node )
8468: found = 1;
8469: else if ( node < seq->buffer[middle - 1].node )
8470: upper = middle - 1;
8471: else
8472: lower = middle + 1;
8473: }
8474:
8475: /* Return position */
8476: if ( middle == 0 || seq->buffer[middle - 1].node < node )
8477: return middle;
8478: else
8479: return middle - 1;
8480: }
8481:
8482:
1.50 daniel 8483: /**
8484: * xmlParserAddNodeInfo:
8485: * @ctxt: an XML parser context
1.68 daniel 8486: * @info: a node info sequence pointer
1.50 daniel 8487: *
8488: * Insert node info record into the sorted sequence
1.32 daniel 8489: */
1.55 daniel 8490: void
8491: xmlParserAddNodeInfo(xmlParserCtxtPtr ctxt,
1.68 daniel 8492: const xmlParserNodeInfo* info)
1.32 daniel 8493: {
8494: unsigned long pos;
8495: static unsigned int block_size = 5;
8496:
8497: /* Find pos and check to see if node is already in the sequence */
1.55 daniel 8498: pos = xmlParserFindNodeInfoIndex(&ctxt->node_seq, info->node);
8499: if ( pos < ctxt->node_seq.length
8500: && ctxt->node_seq.buffer[pos].node == info->node ) {
8501: ctxt->node_seq.buffer[pos] = *info;
1.32 daniel 8502: }
8503:
8504: /* Otherwise, we need to add new node to buffer */
8505: else {
8506: /* Expand buffer by 5 if needed */
1.55 daniel 8507: if ( ctxt->node_seq.length + 1 > ctxt->node_seq.maximum ) {
1.32 daniel 8508: xmlParserNodeInfo* tmp_buffer;
1.55 daniel 8509: unsigned int byte_size = (sizeof(*ctxt->node_seq.buffer)
8510: *(ctxt->node_seq.maximum + block_size));
1.32 daniel 8511:
1.55 daniel 8512: if ( ctxt->node_seq.buffer == NULL )
1.119 daniel 8513: tmp_buffer = (xmlParserNodeInfo*) xmlMalloc(byte_size);
1.32 daniel 8514: else
1.119 daniel 8515: tmp_buffer = (xmlParserNodeInfo*) xmlRealloc(ctxt->node_seq.buffer, byte_size);
1.32 daniel 8516:
8517: if ( tmp_buffer == NULL ) {
1.55 daniel 8518: if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
1.74 daniel 8519: ctxt->sax->error(ctxt->userData, "Out of memory\n");
1.123 daniel 8520: ctxt->errNo = XML_ERR_NO_MEMORY;
1.32 daniel 8521: return;
8522: }
1.55 daniel 8523: ctxt->node_seq.buffer = tmp_buffer;
8524: ctxt->node_seq.maximum += block_size;
1.32 daniel 8525: }
8526:
8527: /* If position is not at end, move elements out of the way */
1.55 daniel 8528: if ( pos != ctxt->node_seq.length ) {
1.32 daniel 8529: unsigned long i;
8530:
1.55 daniel 8531: for ( i = ctxt->node_seq.length; i > pos; i-- )
8532: ctxt->node_seq.buffer[i] = ctxt->node_seq.buffer[i - 1];
1.32 daniel 8533: }
8534:
8535: /* Copy element and increase length */
1.55 daniel 8536: ctxt->node_seq.buffer[pos] = *info;
8537: ctxt->node_seq.length++;
1.32 daniel 8538: }
8539: }
1.77 daniel 8540:
1.98 daniel 8541:
8542: /**
8543: * xmlSubstituteEntitiesDefault :
8544: * @val: int 0 or 1
8545: *
8546: * Set and return the previous value for default entity support.
8547: * Initially the parser always keep entity references instead of substituting
8548: * entity values in the output. This function has to be used to change the
8549: * default parser behaviour
8550: * SAX::subtituteEntities() has to be used for changing that on a file by
8551: * file basis.
8552: *
8553: * Returns the last value for 0 for no substitution, 1 for substitution.
8554: */
8555:
8556: int
8557: xmlSubstituteEntitiesDefault(int val) {
8558: int old = xmlSubstituteEntitiesDefaultValue;
8559:
8560: xmlSubstituteEntitiesDefaultValue = val;
8561: return(old);
8562: }
1.77 daniel 8563:
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