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source: vbox/trunk/src/libs/libxml2-2.6.30/SAX2.c@ 8234

Last change on this file since 8234 was 6076, checked in by vboxsync, 17 years ago

Merged dmik/s2 branch (r25959:26751) to the trunk.
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File size: 79.2 KB
Line 
1/*
2 * SAX2.c : Default SAX2 handler to build a tree.
3 *
4 * See Copyright for the status of this software.
5 *
6 * Daniel Veillard <daniel@veillard.com>
7 */
8
9
10#define IN_LIBXML
11#include "libxml.h"
12#include <stdlib.h>
13#include <string.h>
14#include <libxml/xmlmemory.h>
15#include <libxml/tree.h>
16#include <libxml/parser.h>
17#include <libxml/parserInternals.h>
18#include <libxml/valid.h>
19#include <libxml/entities.h>
20#include <libxml/xmlerror.h>
21#include <libxml/debugXML.h>
22#include <libxml/xmlIO.h>
23#include <libxml/SAX.h>
24#include <libxml/uri.h>
25#include <libxml/valid.h>
26#include <libxml/HTMLtree.h>
27#include <libxml/globals.h>
28
29/* #define DEBUG_SAX2 */
30/* #define DEBUG_SAX2_TREE */
31
32/**
33 * TODO:
34 *
35 * macro to flag unimplemented blocks
36 * XML_CATALOG_PREFER user env to select between system/public prefered
37 * option. C.f. Richard Tobin <richard@cogsci.ed.ac.uk>
38 *> Just FYI, I am using an environment variable XML_CATALOG_PREFER with
39 *> values "system" and "public". I have made the default be "system" to
40 *> match yours.
41 */
42#define TODO \
43 xmlGenericError(xmlGenericErrorContext, \
44 "Unimplemented block at %s:%d\n", \
45 __FILE__, __LINE__);
46
47/*
48 * xmlSAX2ErrMemory:
49 * @ctxt: an XML validation parser context
50 * @msg: a string to accompany the error message
51 */
52static void
53xmlSAX2ErrMemory(xmlParserCtxtPtr ctxt, const char *msg) {
54 if (ctxt != NULL) {
55 if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
56 ctxt->sax->error(ctxt->userData, "%s: out of memory\n", msg);
57 ctxt->errNo = XML_ERR_NO_MEMORY;
58 ctxt->instate = XML_PARSER_EOF;
59 ctxt->disableSAX = 1;
60 }
61}
62
63/**
64 * xmlValidError:
65 * @ctxt: an XML validation parser context
66 * @error: the error number
67 * @msg: the error message
68 * @str1: extra data
69 * @str2: extra data
70 *
71 * Handle a validation error
72 */
73static void
74xmlErrValid(xmlParserCtxtPtr ctxt, xmlParserErrors error,
75 const char *msg, const char *str1, const char *str2)
76{
77 xmlStructuredErrorFunc schannel = NULL;
78
79 if ((ctxt != NULL) && (ctxt->disableSAX != 0) &&
80 (ctxt->instate == XML_PARSER_EOF))
81 return;
82 if (ctxt != NULL) {
83 ctxt->errNo = error;
84 if ((ctxt->sax != NULL) && (ctxt->sax->initialized == XML_SAX2_MAGIC))
85 schannel = ctxt->sax->serror;
86 __xmlRaiseError(schannel,
87 ctxt->vctxt.error, ctxt->vctxt.userData,
88 ctxt, NULL, XML_FROM_DTD, error,
89 XML_ERR_ERROR, NULL, 0, (const char *) str1,
90 (const char *) str2, NULL, 0, 0,
91 msg, (const char *) str1, (const char *) str2);
92 ctxt->valid = 0;
93 } else {
94 __xmlRaiseError(schannel,
95 NULL, NULL,
96 ctxt, NULL, XML_FROM_DTD, error,
97 XML_ERR_ERROR, NULL, 0, (const char *) str1,
98 (const char *) str2, NULL, 0, 0,
99 msg, (const char *) str1, (const char *) str2);
100 }
101}
102
103/**
104 * xmlFatalErrMsg:
105 * @ctxt: an XML parser context
106 * @error: the error number
107 * @msg: the error message
108 * @str1: an error string
109 * @str2: an error string
110 *
111 * Handle a fatal parser error, i.e. violating Well-Formedness constraints
112 */
113static void
114xmlFatalErrMsg(xmlParserCtxtPtr ctxt, xmlParserErrors error,
115 const char *msg, const xmlChar *str1, const xmlChar *str2)
116{
117 if ((ctxt != NULL) && (ctxt->disableSAX != 0) &&
118 (ctxt->instate == XML_PARSER_EOF))
119 return;
120 if (ctxt != NULL)
121 ctxt->errNo = error;
122 __xmlRaiseError(NULL, NULL, NULL, ctxt, NULL, XML_FROM_PARSER, error,
123 XML_ERR_FATAL, NULL, 0,
124 (const char *) str1, (const char *) str2,
125 NULL, 0, 0, msg, str1, str2);
126 if (ctxt != NULL) {
127 ctxt->wellFormed = 0;
128 ctxt->valid = 0;
129 if (ctxt->recovery == 0)
130 ctxt->disableSAX = 1;
131 }
132}
133
134/**
135 * xmlWarnMsg:
136 * @ctxt: an XML parser context
137 * @error: the error number
138 * @msg: the error message
139 * @str1: an error string
140 * @str2: an error string
141 *
142 * Handle a parser warning
143 */
144static void
145xmlWarnMsg(xmlParserCtxtPtr ctxt, xmlParserErrors error,
146 const char *msg, const xmlChar *str1)
147{
148 if ((ctxt != NULL) && (ctxt->disableSAX != 0) &&
149 (ctxt->instate == XML_PARSER_EOF))
150 return;
151 if (ctxt != NULL)
152 ctxt->errNo = error;
153 __xmlRaiseError(NULL, NULL, NULL, ctxt, NULL, XML_FROM_PARSER, error,
154 XML_ERR_WARNING, NULL, 0,
155 (const char *) str1, NULL,
156 NULL, 0, 0, msg, str1);
157}
158
159/**
160 * xmlNsErrMsg:
161 * @ctxt: an XML parser context
162 * @error: the error number
163 * @msg: the error message
164 * @str1: an error string
165 * @str2: an error string
166 *
167 * Handle a namespace error
168 */
169static void
170xmlNsErrMsg(xmlParserCtxtPtr ctxt, xmlParserErrors error,
171 const char *msg, const xmlChar *str1, const xmlChar *str2)
172{
173 if ((ctxt != NULL) && (ctxt->disableSAX != 0) &&
174 (ctxt->instate == XML_PARSER_EOF))
175 return;
176 if (ctxt != NULL)
177 ctxt->errNo = error;
178 __xmlRaiseError(NULL, NULL, NULL, ctxt, NULL, XML_FROM_NAMESPACE, error,
179 XML_ERR_ERROR, NULL, 0,
180 (const char *) str1, (const char *) str2,
181 NULL, 0, 0, msg, str1, str2);
182}
183
184/**
185 * xmlNsWarnMsg:
186 * @ctxt: an XML parser context
187 * @error: the error number
188 * @msg: the error message
189 * @str1: an error string
190 *
191 * Handle a namespace warning
192 */
193static void
194xmlNsWarnMsg(xmlParserCtxtPtr ctxt, xmlParserErrors error,
195 const char *msg, const xmlChar *str1, const xmlChar *str2)
196{
197 if ((ctxt != NULL) && (ctxt->disableSAX != 0) &&
198 (ctxt->instate == XML_PARSER_EOF))
199 return;
200 if (ctxt != NULL)
201 ctxt->errNo = error;
202 __xmlRaiseError(NULL, NULL, NULL, ctxt, NULL, XML_FROM_NAMESPACE, error,
203 XML_ERR_WARNING, NULL, 0,
204 (const char *) str1, (const char *) str2,
205 NULL, 0, 0, msg, str1, str2);
206}
207
208/**
209 * xmlSAX2GetPublicId:
210 * @ctx: the user data (XML parser context)
211 *
212 * Provides the public ID e.g. "-//SGMLSOURCE//DTD DEMO//EN"
213 *
214 * Returns a xmlChar *
215 */
216const xmlChar *
217xmlSAX2GetPublicId(void *ctx ATTRIBUTE_UNUSED)
218{
219 /* xmlParserCtxtPtr ctxt = (xmlParserCtxtPtr) ctx; */
220 return(NULL);
221}
222
223/**
224 * xmlSAX2GetSystemId:
225 * @ctx: the user data (XML parser context)
226 *
227 * Provides the system ID, basically URL or filename e.g.
228 * http://www.sgmlsource.com/dtds/memo.dtd
229 *
230 * Returns a xmlChar *
231 */
232const xmlChar *
233xmlSAX2GetSystemId(void *ctx)
234{
235 xmlParserCtxtPtr ctxt = (xmlParserCtxtPtr) ctx;
236 if ((ctx == NULL) || (ctxt->input == NULL)) return(NULL);
237 return((const xmlChar *) ctxt->input->filename);
238}
239
240/**
241 * xmlSAX2GetLineNumber:
242 * @ctx: the user data (XML parser context)
243 *
244 * Provide the line number of the current parsing point.
245 *
246 * Returns an int
247 */
248int
249xmlSAX2GetLineNumber(void *ctx)
250{
251 xmlParserCtxtPtr ctxt = (xmlParserCtxtPtr) ctx;
252 if ((ctx == NULL) || (ctxt->input == NULL)) return(0);
253 return(ctxt->input->line);
254}
255
256/**
257 * xmlSAX2GetColumnNumber:
258 * @ctx: the user data (XML parser context)
259 *
260 * Provide the column number of the current parsing point.
261 *
262 * Returns an int
263 */
264int
265xmlSAX2GetColumnNumber(void *ctx)
266{
267 xmlParserCtxtPtr ctxt = (xmlParserCtxtPtr) ctx;
268 if ((ctx == NULL) || (ctxt->input == NULL)) return(0);
269 return(ctxt->input->col);
270}
271
272/**
273 * xmlSAX2IsStandalone:
274 * @ctx: the user data (XML parser context)
275 *
276 * Is this document tagged standalone ?
277 *
278 * Returns 1 if true
279 */
280int
281xmlSAX2IsStandalone(void *ctx)
282{
283 xmlParserCtxtPtr ctxt = (xmlParserCtxtPtr) ctx;
284 if ((ctx == NULL) || (ctxt->myDoc == NULL)) return(0);
285 return(ctxt->myDoc->standalone == 1);
286}
287
288/**
289 * xmlSAX2HasInternalSubset:
290 * @ctx: the user data (XML parser context)
291 *
292 * Does this document has an internal subset
293 *
294 * Returns 1 if true
295 */
296int
297xmlSAX2HasInternalSubset(void *ctx)
298{
299 xmlParserCtxtPtr ctxt = (xmlParserCtxtPtr) ctx;
300 if ((ctxt == NULL) || (ctxt->myDoc == NULL)) return(0);
301 return(ctxt->myDoc->intSubset != NULL);
302}
303
304/**
305 * xmlSAX2HasExternalSubset:
306 * @ctx: the user data (XML parser context)
307 *
308 * Does this document has an external subset
309 *
310 * Returns 1 if true
311 */
312int
313xmlSAX2HasExternalSubset(void *ctx)
314{
315 xmlParserCtxtPtr ctxt = (xmlParserCtxtPtr) ctx;
316 if ((ctxt == NULL) || (ctxt->myDoc == NULL)) return(0);
317 return(ctxt->myDoc->extSubset != NULL);
318}
319
320/**
321 * xmlSAX2InternalSubset:
322 * @ctx: the user data (XML parser context)
323 * @name: the root element name
324 * @ExternalID: the external ID
325 * @SystemID: the SYSTEM ID (e.g. filename or URL)
326 *
327 * Callback on internal subset declaration.
328 */
329void
330xmlSAX2InternalSubset(void *ctx, const xmlChar *name,
331 const xmlChar *ExternalID, const xmlChar *SystemID)
332{
333 xmlParserCtxtPtr ctxt = (xmlParserCtxtPtr) ctx;
334 xmlDtdPtr dtd;
335 if (ctx == NULL) return;
336#ifdef DEBUG_SAX
337 xmlGenericError(xmlGenericErrorContext,
338 "SAX.xmlSAX2InternalSubset(%s, %s, %s)\n",
339 name, ExternalID, SystemID);
340#endif
341
342 if (ctxt->myDoc == NULL)
343 return;
344 dtd = xmlGetIntSubset(ctxt->myDoc);
345 if (dtd != NULL) {
346 if (ctxt->html)
347 return;
348 xmlUnlinkNode((xmlNodePtr) dtd);
349 xmlFreeDtd(dtd);
350 ctxt->myDoc->intSubset = NULL;
351 }
352 ctxt->myDoc->intSubset =
353 xmlCreateIntSubset(ctxt->myDoc, name, ExternalID, SystemID);
354 if (ctxt->myDoc->intSubset == NULL)
355 xmlSAX2ErrMemory(ctxt, "xmlSAX2InternalSubset");
356}
357
358/**
359 * xmlSAX2ExternalSubset:
360 * @ctx: the user data (XML parser context)
361 * @name: the root element name
362 * @ExternalID: the external ID
363 * @SystemID: the SYSTEM ID (e.g. filename or URL)
364 *
365 * Callback on external subset declaration.
366 */
367void
368xmlSAX2ExternalSubset(void *ctx, const xmlChar *name,
369 const xmlChar *ExternalID, const xmlChar *SystemID)
370{
371 xmlParserCtxtPtr ctxt = (xmlParserCtxtPtr) ctx;
372 if (ctx == NULL) return;
373#ifdef DEBUG_SAX
374 xmlGenericError(xmlGenericErrorContext,
375 "SAX.xmlSAX2ExternalSubset(%s, %s, %s)\n",
376 name, ExternalID, SystemID);
377#endif
378 if (((ExternalID != NULL) || (SystemID != NULL)) &&
379 (((ctxt->validate) || (ctxt->loadsubset != 0)) &&
380 (ctxt->wellFormed && ctxt->myDoc))) {
381 /*
382 * Try to fetch and parse the external subset.
383 */
384 xmlParserInputPtr oldinput;
385 int oldinputNr;
386 int oldinputMax;
387 xmlParserInputPtr *oldinputTab;
388 xmlParserInputPtr input = NULL;
389 xmlCharEncoding enc;
390 int oldcharset;
391
392 /*
393 * Ask the Entity resolver to load the damn thing
394 */
395 if ((ctxt->sax != NULL) && (ctxt->sax->resolveEntity != NULL))
396 input = ctxt->sax->resolveEntity(ctxt->userData, ExternalID,
397 SystemID);
398 if (input == NULL) {
399 return;
400 }
401
402 xmlNewDtd(ctxt->myDoc, name, ExternalID, SystemID);
403
404 /*
405 * make sure we won't destroy the main document context
406 */
407 oldinput = ctxt->input;
408 oldinputNr = ctxt->inputNr;
409 oldinputMax = ctxt->inputMax;
410 oldinputTab = ctxt->inputTab;
411 oldcharset = ctxt->charset;
412
413 ctxt->inputTab = (xmlParserInputPtr *)
414 xmlMalloc(5 * sizeof(xmlParserInputPtr));
415 if (ctxt->inputTab == NULL) {
416 xmlSAX2ErrMemory(ctxt, "xmlSAX2ExternalSubset");
417 ctxt->input = oldinput;
418 ctxt->inputNr = oldinputNr;
419 ctxt->inputMax = oldinputMax;
420 ctxt->inputTab = oldinputTab;
421 ctxt->charset = oldcharset;
422 return;
423 }
424 ctxt->inputNr = 0;
425 ctxt->inputMax = 5;
426 ctxt->input = NULL;
427 xmlPushInput(ctxt, input);
428
429 /*
430 * On the fly encoding conversion if needed
431 */
432 if (ctxt->input->length >= 4) {
433 enc = xmlDetectCharEncoding(ctxt->input->cur, 4);
434 xmlSwitchEncoding(ctxt, enc);
435 }
436
437 if (input->filename == NULL)
438 input->filename = (char *) xmlCanonicPath(SystemID);
439 input->line = 1;
440 input->col = 1;
441 input->base = ctxt->input->cur;
442 input->cur = ctxt->input->cur;
443 input->free = NULL;
444
445 /*
446 * let's parse that entity knowing it's an external subset.
447 */
448 xmlParseExternalSubset(ctxt, ExternalID, SystemID);
449
450 /*
451 * Free up the external entities
452 */
453
454 while (ctxt->inputNr > 1)
455 xmlPopInput(ctxt);
456 xmlFreeInputStream(ctxt->input);
457 xmlFree(ctxt->inputTab);
458
459 /*
460 * Restore the parsing context of the main entity
461 */
462 ctxt->input = oldinput;
463 ctxt->inputNr = oldinputNr;
464 ctxt->inputMax = oldinputMax;
465 ctxt->inputTab = oldinputTab;
466 ctxt->charset = oldcharset;
467 /* ctxt->wellFormed = oldwellFormed; */
468 }
469}
470
471/**
472 * xmlSAX2ResolveEntity:
473 * @ctx: the user data (XML parser context)
474 * @publicId: The public ID of the entity
475 * @systemId: The system ID of the entity
476 *
477 * The entity loader, to control the loading of external entities,
478 * the application can either:
479 * - override this xmlSAX2ResolveEntity() callback in the SAX block
480 * - or better use the xmlSetExternalEntityLoader() function to
481 * set up it's own entity resolution routine
482 *
483 * Returns the xmlParserInputPtr if inlined or NULL for DOM behaviour.
484 */
485xmlParserInputPtr
486xmlSAX2ResolveEntity(void *ctx, const xmlChar *publicId, const xmlChar *systemId)
487{
488 xmlParserCtxtPtr ctxt = (xmlParserCtxtPtr) ctx;
489 xmlParserInputPtr ret;
490 xmlChar *URI;
491 const char *base = NULL;
492
493 if (ctx == NULL) return(NULL);
494 if (ctxt->input != NULL)
495 base = ctxt->input->filename;
496 if (base == NULL)
497 base = ctxt->directory;
498
499 URI = xmlBuildURI(systemId, (const xmlChar *) base);
500
501#ifdef DEBUG_SAX
502 xmlGenericError(xmlGenericErrorContext,
503 "SAX.xmlSAX2ResolveEntity(%s, %s)\n", publicId, systemId);
504#endif
505
506 ret = xmlLoadExternalEntity((const char *) URI,
507 (const char *) publicId, ctxt);
508 if (URI != NULL)
509 xmlFree(URI);
510 return(ret);
511}
512
513/**
514 * xmlSAX2GetEntity:
515 * @ctx: the user data (XML parser context)
516 * @name: The entity name
517 *
518 * Get an entity by name
519 *
520 * Returns the xmlEntityPtr if found.
521 */
522xmlEntityPtr
523xmlSAX2GetEntity(void *ctx, const xmlChar *name)
524{
525 xmlParserCtxtPtr ctxt = (xmlParserCtxtPtr) ctx;
526 xmlEntityPtr ret = NULL;
527
528 if (ctx == NULL) return(NULL);
529#ifdef DEBUG_SAX
530 xmlGenericError(xmlGenericErrorContext,
531 "SAX.xmlSAX2GetEntity(%s)\n", name);
532#endif
533
534 if (ctxt->inSubset == 0) {
535 ret = xmlGetPredefinedEntity(name);
536 if (ret != NULL)
537 return(ret);
538 }
539 if ((ctxt->myDoc != NULL) && (ctxt->myDoc->standalone == 1)) {
540 if (ctxt->inSubset == 2) {
541 ctxt->myDoc->standalone = 0;
542 ret = xmlGetDocEntity(ctxt->myDoc, name);
543 ctxt->myDoc->standalone = 1;
544 } else {
545 ret = xmlGetDocEntity(ctxt->myDoc, name);
546 if (ret == NULL) {
547 ctxt->myDoc->standalone = 0;
548 ret = xmlGetDocEntity(ctxt->myDoc, name);
549 if (ret != NULL) {
550 xmlFatalErrMsg(ctxt, XML_ERR_NOT_STANDALONE,
551 "Entity(%s) document marked standalone but requires external subset\n",
552 name, NULL);
553 }
554 ctxt->myDoc->standalone = 1;
555 }
556 }
557 } else {
558 ret = xmlGetDocEntity(ctxt->myDoc, name);
559 }
560 if ((ret != NULL) &&
561 ((ctxt->validate) || (ctxt->replaceEntities)) &&
562 (ret->children == NULL) &&
563 (ret->etype == XML_EXTERNAL_GENERAL_PARSED_ENTITY)) {
564 int val;
565
566 /*
567 * for validation purposes we really need to fetch and
568 * parse the external entity
569 */
570 xmlNodePtr children;
571
572 val = xmlParseCtxtExternalEntity(ctxt, ret->URI,
573 ret->ExternalID, &children);
574 if (val == 0) {
575 xmlAddChildList((xmlNodePtr) ret, children);
576 } else {
577 xmlFatalErrMsg(ctxt, XML_ERR_ENTITY_PROCESSING,
578 "Failure to process entity %s\n", name, NULL);
579 ctxt->validate = 0;
580 return(NULL);
581 }
582 ret->owner = 1;
583 ret->checked = 1;
584 }
585 return(ret);
586}
587
588/**
589 * xmlSAX2GetParameterEntity:
590 * @ctx: the user data (XML parser context)
591 * @name: The entity name
592 *
593 * Get a parameter entity by name
594 *
595 * Returns the xmlEntityPtr if found.
596 */
597xmlEntityPtr
598xmlSAX2GetParameterEntity(void *ctx, const xmlChar *name)
599{
600 xmlParserCtxtPtr ctxt = (xmlParserCtxtPtr) ctx;
601 xmlEntityPtr ret;
602
603 if (ctx == NULL) return(NULL);
604#ifdef DEBUG_SAX
605 xmlGenericError(xmlGenericErrorContext,
606 "SAX.xmlSAX2GetParameterEntity(%s)\n", name);
607#endif
608
609 ret = xmlGetParameterEntity(ctxt->myDoc, name);
610 return(ret);
611}
612
613
614/**
615 * xmlSAX2EntityDecl:
616 * @ctx: the user data (XML parser context)
617 * @name: the entity name
618 * @type: the entity type
619 * @publicId: The public ID of the entity
620 * @systemId: The system ID of the entity
621 * @content: the entity value (without processing).
622 *
623 * An entity definition has been parsed
624 */
625void
626xmlSAX2EntityDecl(void *ctx, const xmlChar *name, int type,
627 const xmlChar *publicId, const xmlChar *systemId, xmlChar *content)
628{
629 xmlEntityPtr ent;
630 xmlParserCtxtPtr ctxt = (xmlParserCtxtPtr) ctx;
631
632 if (ctx == NULL) return;
633#ifdef DEBUG_SAX
634 xmlGenericError(xmlGenericErrorContext,
635 "SAX.xmlSAX2EntityDecl(%s, %d, %s, %s, %s)\n",
636 name, type, publicId, systemId, content);
637#endif
638 if (ctxt->inSubset == 1) {
639 ent = xmlAddDocEntity(ctxt->myDoc, name, type, publicId,
640 systemId, content);
641 if ((ent == NULL) && (ctxt->pedantic))
642 xmlWarnMsg(ctxt, XML_WAR_ENTITY_REDEFINED,
643 "Entity(%s) already defined in the internal subset\n",
644 name);
645 if ((ent != NULL) && (ent->URI == NULL) && (systemId != NULL)) {
646 xmlChar *URI;
647 const char *base = NULL;
648
649 if (ctxt->input != NULL)
650 base = ctxt->input->filename;
651 if (base == NULL)
652 base = ctxt->directory;
653
654 URI = xmlBuildURI(systemId, (const xmlChar *) base);
655 ent->URI = URI;
656 }
657 } else if (ctxt->inSubset == 2) {
658 ent = xmlAddDtdEntity(ctxt->myDoc, name, type, publicId,
659 systemId, content);
660 if ((ent == NULL) && (ctxt->pedantic) &&
661 (ctxt->sax != NULL) && (ctxt->sax->warning != NULL))
662 ctxt->sax->warning(ctxt->userData,
663 "Entity(%s) already defined in the external subset\n", name);
664 if ((ent != NULL) && (ent->URI == NULL) && (systemId != NULL)) {
665 xmlChar *URI;
666 const char *base = NULL;
667
668 if (ctxt->input != NULL)
669 base = ctxt->input->filename;
670 if (base == NULL)
671 base = ctxt->directory;
672
673 URI = xmlBuildURI(systemId, (const xmlChar *) base);
674 ent->URI = URI;
675 }
676 } else {
677 xmlFatalErrMsg(ctxt, XML_ERR_ENTITY_PROCESSING,
678 "SAX.xmlSAX2EntityDecl(%s) called while not in subset\n",
679 name, NULL);
680 }
681}
682
683/**
684 * xmlSAX2AttributeDecl:
685 * @ctx: the user data (XML parser context)
686 * @elem: the name of the element
687 * @fullname: the attribute name
688 * @type: the attribute type
689 * @def: the type of default value
690 * @defaultValue: the attribute default value
691 * @tree: the tree of enumerated value set
692 *
693 * An attribute definition has been parsed
694 */
695void
696xmlSAX2AttributeDecl(void *ctx, const xmlChar *elem, const xmlChar *fullname,
697 int type, int def, const xmlChar *defaultValue,
698 xmlEnumerationPtr tree)
699{
700 xmlParserCtxtPtr ctxt = (xmlParserCtxtPtr) ctx;
701 xmlAttributePtr attr;
702 xmlChar *name = NULL, *prefix = NULL;
703
704 if ((ctxt == NULL) || (ctxt->myDoc == NULL))
705 return;
706
707#ifdef DEBUG_SAX
708 xmlGenericError(xmlGenericErrorContext,
709 "SAX.xmlSAX2AttributeDecl(%s, %s, %d, %d, %s, ...)\n",
710 elem, fullname, type, def, defaultValue);
711#endif
712 if ((xmlStrEqual(fullname, BAD_CAST "xml:id")) &&
713 (type != XML_ATTRIBUTE_ID)) {
714 /*
715 * Raise the error but keep the validity flag
716 */
717 int tmp = ctxt->valid;
718 xmlErrValid(ctxt, XML_DTD_XMLID_TYPE,
719 "xml:id : attribute type should be ID\n", NULL, NULL);
720 ctxt->valid = tmp;
721 }
722 /* TODO: optimize name/prefix allocation */
723 name = xmlSplitQName(ctxt, fullname, &prefix);
724 ctxt->vctxt.valid = 1;
725 if (ctxt->inSubset == 1)
726 attr = xmlAddAttributeDecl(&ctxt->vctxt, ctxt->myDoc->intSubset, elem,
727 name, prefix, (xmlAttributeType) type,
728 (xmlAttributeDefault) def, defaultValue, tree);
729 else if (ctxt->inSubset == 2)
730 attr = xmlAddAttributeDecl(&ctxt->vctxt, ctxt->myDoc->extSubset, elem,
731 name, prefix, (xmlAttributeType) type,
732 (xmlAttributeDefault) def, defaultValue, tree);
733 else {
734 xmlFatalErrMsg(ctxt, XML_ERR_INTERNAL_ERROR,
735 "SAX.xmlSAX2AttributeDecl(%s) called while not in subset\n",
736 name, NULL);
737 xmlFreeEnumeration(tree);
738 return;
739 }
740#ifdef LIBXML_VALID_ENABLED
741 if (ctxt->vctxt.valid == 0)
742 ctxt->valid = 0;
743 if ((attr != NULL) && (ctxt->validate) && (ctxt->wellFormed) &&
744 (ctxt->myDoc->intSubset != NULL))
745 ctxt->valid &= xmlValidateAttributeDecl(&ctxt->vctxt, ctxt->myDoc,
746 attr);
747#endif /* LIBXML_VALID_ENABLED */
748 if (prefix != NULL)
749 xmlFree(prefix);
750 if (name != NULL)
751 xmlFree(name);
752}
753
754/**
755 * xmlSAX2ElementDecl:
756 * @ctx: the user data (XML parser context)
757 * @name: the element name
758 * @type: the element type
759 * @content: the element value tree
760 *
761 * An element definition has been parsed
762 */
763void
764xmlSAX2ElementDecl(void *ctx, const xmlChar * name, int type,
765 xmlElementContentPtr content)
766{
767 xmlParserCtxtPtr ctxt = (xmlParserCtxtPtr) ctx;
768 xmlElementPtr elem = NULL;
769
770 if ((ctxt == NULL) || (ctxt->myDoc == NULL))
771 return;
772
773#ifdef DEBUG_SAX
774 xmlGenericError(xmlGenericErrorContext,
775 "SAX.xmlSAX2ElementDecl(%s, %d, ...)\n", name, type);
776#endif
777
778 if (ctxt->inSubset == 1)
779 elem = xmlAddElementDecl(&ctxt->vctxt, ctxt->myDoc->intSubset,
780 name, (xmlElementTypeVal) type, content);
781 else if (ctxt->inSubset == 2)
782 elem = xmlAddElementDecl(&ctxt->vctxt, ctxt->myDoc->extSubset,
783 name, (xmlElementTypeVal) type, content);
784 else {
785 xmlFatalErrMsg(ctxt, XML_ERR_INTERNAL_ERROR,
786 "SAX.xmlSAX2ElementDecl(%s) called while not in subset\n",
787 name, NULL);
788 return;
789 }
790#ifdef LIBXML_VALID_ENABLED
791 if (elem == NULL)
792 ctxt->valid = 0;
793 if (ctxt->validate && ctxt->wellFormed &&
794 ctxt->myDoc && ctxt->myDoc->intSubset)
795 ctxt->valid &=
796 xmlValidateElementDecl(&ctxt->vctxt, ctxt->myDoc, elem);
797#endif /* LIBXML_VALID_ENABLED */
798}
799
800/**
801 * xmlSAX2NotationDecl:
802 * @ctx: the user data (XML parser context)
803 * @name: The name of the notation
804 * @publicId: The public ID of the entity
805 * @systemId: The system ID of the entity
806 *
807 * What to do when a notation declaration has been parsed.
808 */
809void
810xmlSAX2NotationDecl(void *ctx, const xmlChar *name,
811 const xmlChar *publicId, const xmlChar *systemId)
812{
813 xmlParserCtxtPtr ctxt = (xmlParserCtxtPtr) ctx;
814 xmlNotationPtr nota = NULL;
815
816 if ((ctxt == NULL) || (ctxt->myDoc == NULL))
817 return;
818
819#ifdef DEBUG_SAX
820 xmlGenericError(xmlGenericErrorContext,
821 "SAX.xmlSAX2NotationDecl(%s, %s, %s)\n", name, publicId, systemId);
822#endif
823
824 if ((publicId == NULL) && (systemId == NULL)) {
825 xmlFatalErrMsg(ctxt, XML_ERR_NOTATION_PROCESSING,
826 "SAX.xmlSAX2NotationDecl(%s) externalID or PublicID missing\n",
827 name, NULL);
828 return;
829 } else if (ctxt->inSubset == 1)
830 nota = xmlAddNotationDecl(&ctxt->vctxt, ctxt->myDoc->intSubset, name,
831 publicId, systemId);
832 else if (ctxt->inSubset == 2)
833 nota = xmlAddNotationDecl(&ctxt->vctxt, ctxt->myDoc->extSubset, name,
834 publicId, systemId);
835 else {
836 xmlFatalErrMsg(ctxt, XML_ERR_NOTATION_PROCESSING,
837 "SAX.xmlSAX2NotationDecl(%s) called while not in subset\n",
838 name, NULL);
839 return;
840 }
841#ifdef LIBXML_VALID_ENABLED
842 if (nota == NULL) ctxt->valid = 0;
843 if ((ctxt->validate) && (ctxt->wellFormed) &&
844 (ctxt->myDoc->intSubset != NULL))
845 ctxt->valid &= xmlValidateNotationDecl(&ctxt->vctxt, ctxt->myDoc,
846 nota);
847#endif /* LIBXML_VALID_ENABLED */
848}
849
850/**
851 * xmlSAX2UnparsedEntityDecl:
852 * @ctx: the user data (XML parser context)
853 * @name: The name of the entity
854 * @publicId: The public ID of the entity
855 * @systemId: The system ID of the entity
856 * @notationName: the name of the notation
857 *
858 * What to do when an unparsed entity declaration is parsed
859 */
860void
861xmlSAX2UnparsedEntityDecl(void *ctx, const xmlChar *name,
862 const xmlChar *publicId, const xmlChar *systemId,
863 const xmlChar *notationName)
864{
865 xmlEntityPtr ent;
866 xmlParserCtxtPtr ctxt = (xmlParserCtxtPtr) ctx;
867 if (ctx == NULL) return;
868#ifdef DEBUG_SAX
869 xmlGenericError(xmlGenericErrorContext,
870 "SAX.xmlSAX2UnparsedEntityDecl(%s, %s, %s, %s)\n",
871 name, publicId, systemId, notationName);
872#endif
873 if (ctxt->inSubset == 1) {
874 ent = xmlAddDocEntity(ctxt->myDoc, name,
875 XML_EXTERNAL_GENERAL_UNPARSED_ENTITY,
876 publicId, systemId, notationName);
877 if ((ent == NULL) && (ctxt->pedantic) &&
878 (ctxt->sax != NULL) && (ctxt->sax->warning != NULL))
879 ctxt->sax->warning(ctxt->userData,
880 "Entity(%s) already defined in the internal subset\n", name);
881 if ((ent != NULL) && (ent->URI == NULL) && (systemId != NULL)) {
882 xmlChar *URI;
883 const char *base = NULL;
884
885 if (ctxt->input != NULL)
886 base = ctxt->input->filename;
887 if (base == NULL)
888 base = ctxt->directory;
889
890 URI = xmlBuildURI(systemId, (const xmlChar *) base);
891 ent->URI = URI;
892 }
893 } else if (ctxt->inSubset == 2) {
894 ent = xmlAddDtdEntity(ctxt->myDoc, name,
895 XML_EXTERNAL_GENERAL_UNPARSED_ENTITY,
896 publicId, systemId, notationName);
897 if ((ent == NULL) && (ctxt->pedantic) &&
898 (ctxt->sax != NULL) && (ctxt->sax->warning != NULL))
899 ctxt->sax->warning(ctxt->userData,
900 "Entity(%s) already defined in the external subset\n", name);
901 if ((ent != NULL) && (ent->URI == NULL) && (systemId != NULL)) {
902 xmlChar *URI;
903 const char *base = NULL;
904
905 if (ctxt->input != NULL)
906 base = ctxt->input->filename;
907 if (base == NULL)
908 base = ctxt->directory;
909
910 URI = xmlBuildURI(systemId, (const xmlChar *) base);
911 ent->URI = URI;
912 }
913 } else {
914 xmlFatalErrMsg(ctxt, XML_ERR_INTERNAL_ERROR,
915 "SAX.xmlSAX2UnparsedEntityDecl(%s) called while not in subset\n",
916 name, NULL);
917 }
918}
919
920/**
921 * xmlSAX2SetDocumentLocator:
922 * @ctx: the user data (XML parser context)
923 * @loc: A SAX Locator
924 *
925 * Receive the document locator at startup, actually xmlDefaultSAXLocator
926 * Everything is available on the context, so this is useless in our case.
927 */
928void
929xmlSAX2SetDocumentLocator(void *ctx ATTRIBUTE_UNUSED, xmlSAXLocatorPtr loc ATTRIBUTE_UNUSED)
930{
931 /* xmlParserCtxtPtr ctxt = (xmlParserCtxtPtr) ctx; */
932#ifdef DEBUG_SAX
933 xmlGenericError(xmlGenericErrorContext,
934 "SAX.xmlSAX2SetDocumentLocator()\n");
935#endif
936}
937
938/**
939 * xmlSAX2StartDocument:
940 * @ctx: the user data (XML parser context)
941 *
942 * called when the document start being processed.
943 */
944void
945xmlSAX2StartDocument(void *ctx)
946{
947 xmlParserCtxtPtr ctxt = (xmlParserCtxtPtr) ctx;
948 xmlDocPtr doc;
949
950 if (ctx == NULL) return;
951
952#ifdef DEBUG_SAX
953 xmlGenericError(xmlGenericErrorContext,
954 "SAX.xmlSAX2StartDocument()\n");
955#endif
956 if (ctxt->html) {
957#ifdef LIBXML_HTML_ENABLED
958 if (ctxt->myDoc == NULL)
959 ctxt->myDoc = htmlNewDocNoDtD(NULL, NULL);
960 if (ctxt->myDoc == NULL) {
961 xmlSAX2ErrMemory(ctxt, "xmlSAX2StartDocument");
962 return;
963 }
964#else
965 xmlGenericError(xmlGenericErrorContext,
966 "libxml2 built without HTML support\n");
967 ctxt->errNo = XML_ERR_INTERNAL_ERROR;
968 ctxt->instate = XML_PARSER_EOF;
969 ctxt->disableSAX = 1;
970 return;
971#endif
972 } else {
973 doc = ctxt->myDoc = xmlNewDoc(ctxt->version);
974 if (doc != NULL) {
975 if (ctxt->encoding != NULL)
976 doc->encoding = xmlStrdup(ctxt->encoding);
977 else
978 doc->encoding = NULL;
979 doc->standalone = ctxt->standalone;
980 } else {
981 xmlSAX2ErrMemory(ctxt, "xmlSAX2StartDocument");
982 return;
983 }
984 if ((ctxt->dictNames) && (doc != NULL)) {
985 doc->dict = ctxt->dict;
986 xmlDictReference(doc->dict);
987 }
988 }
989 if ((ctxt->myDoc != NULL) && (ctxt->myDoc->URL == NULL) &&
990 (ctxt->input != NULL) && (ctxt->input->filename != NULL)) {
991 ctxt->myDoc->URL = xmlPathToURI((const xmlChar *)ctxt->input->filename);
992 if (ctxt->myDoc->URL == NULL)
993 xmlSAX2ErrMemory(ctxt, "xmlSAX2StartDocument");
994 }
995}
996
997/**
998 * xmlSAX2EndDocument:
999 * @ctx: the user data (XML parser context)
1000 *
1001 * called when the document end has been detected.
1002 */
1003void
1004xmlSAX2EndDocument(void *ctx)
1005{
1006 xmlParserCtxtPtr ctxt = (xmlParserCtxtPtr) ctx;
1007#ifdef DEBUG_SAX
1008 xmlGenericError(xmlGenericErrorContext,
1009 "SAX.xmlSAX2EndDocument()\n");
1010#endif
1011 if (ctx == NULL) return;
1012#ifdef LIBXML_VALID_ENABLED
1013 if (ctxt->validate && ctxt->wellFormed &&
1014 ctxt->myDoc && ctxt->myDoc->intSubset)
1015 ctxt->valid &= xmlValidateDocumentFinal(&ctxt->vctxt, ctxt->myDoc);
1016#endif /* LIBXML_VALID_ENABLED */
1017
1018 /*
1019 * Grab the encoding if it was added on-the-fly
1020 */
1021 if ((ctxt->encoding != NULL) && (ctxt->myDoc != NULL) &&
1022 (ctxt->myDoc->encoding == NULL)) {
1023 ctxt->myDoc->encoding = ctxt->encoding;
1024 ctxt->encoding = NULL;
1025 }
1026 if ((ctxt->inputTab != NULL) &&
1027 (ctxt->inputNr > 0) && (ctxt->inputTab[0] != NULL) &&
1028 (ctxt->inputTab[0]->encoding != NULL) && (ctxt->myDoc != NULL) &&
1029 (ctxt->myDoc->encoding == NULL)) {
1030 ctxt->myDoc->encoding = xmlStrdup(ctxt->inputTab[0]->encoding);
1031 }
1032 if ((ctxt->charset != XML_CHAR_ENCODING_NONE) && (ctxt->myDoc != NULL) &&
1033 (ctxt->myDoc->charset == XML_CHAR_ENCODING_NONE)) {
1034 ctxt->myDoc->charset = ctxt->charset;
1035 }
1036}
1037
1038#if defined(LIBXML_SAX1_ENABLED) || defined(LIBXML_HTML_ENABLED) || defined(LIBXML_WRITER_ENABLED) || defined(LIBXML_DOCB_ENABLED)
1039/**
1040 * xmlSAX2AttributeInternal:
1041 * @ctx: the user data (XML parser context)
1042 * @fullname: The attribute name, including namespace prefix
1043 * @value: The attribute value
1044 * @prefix: the prefix on the element node
1045 *
1046 * Handle an attribute that has been read by the parser.
1047 * The default handling is to convert the attribute into an
1048 * DOM subtree and past it in a new xmlAttr element added to
1049 * the element.
1050 */
1051static void
1052xmlSAX2AttributeInternal(void *ctx, const xmlChar *fullname,
1053 const xmlChar *value, const xmlChar *prefix ATTRIBUTE_UNUSED)
1054{
1055 xmlParserCtxtPtr ctxt = (xmlParserCtxtPtr) ctx;
1056 xmlAttrPtr ret;
1057 xmlChar *name;
1058 xmlChar *ns;
1059 xmlChar *nval;
1060 xmlNsPtr namespace;
1061
1062 if (ctxt->html) {
1063 name = xmlStrdup(fullname);
1064 ns = NULL;
1065 namespace = NULL;
1066 } else {
1067 /*
1068 * Split the full name into a namespace prefix and the tag name
1069 */
1070 name = xmlSplitQName(ctxt, fullname, &ns);
1071 if ((name != NULL) && (name[0] == 0)) {
1072 if (xmlStrEqual(ns, BAD_CAST "xmlns")) {
1073 xmlNsErrMsg(ctxt, XML_ERR_NS_DECL_ERROR,
1074 "invalid namespace declaration '%s'\n",
1075 fullname, NULL);
1076 } else {
1077 xmlNsWarnMsg(ctxt, XML_WAR_NS_COLUMN,
1078 "Avoid attribute ending with ':' like '%s'\n",
1079 fullname, NULL);
1080 }
1081 if (ns != NULL)
1082 xmlFree(ns);
1083 ns = NULL;
1084 xmlFree(name);
1085 name = xmlStrdup(fullname);
1086 }
1087 }
1088 if (name == NULL) {
1089 xmlSAX2ErrMemory(ctxt, "xmlSAX2StartElement");
1090 if (ns != NULL)
1091 xmlFree(ns);
1092 return;
1093 }
1094
1095#ifdef LIBXML_VALID_ENABLED
1096 /*
1097 * Do the last stage of the attribute normalization
1098 * Needed for HTML too:
1099 * http://www.w3.org/TR/html4/types.html#h-6.2
1100 */
1101 ctxt->vctxt.valid = 1;
1102 nval = xmlValidCtxtNormalizeAttributeValue(&ctxt->vctxt,
1103 ctxt->myDoc, ctxt->node,
1104 fullname, value);
1105 if (ctxt->vctxt.valid != 1) {
1106 ctxt->valid = 0;
1107 }
1108 if (nval != NULL)
1109 value = nval;
1110#else
1111 nval = NULL;
1112#endif /* LIBXML_VALID_ENABLED */
1113
1114 /*
1115 * Check whether it's a namespace definition
1116 */
1117 if ((!ctxt->html) && (ns == NULL) &&
1118 (name[0] == 'x') && (name[1] == 'm') && (name[2] == 'l') &&
1119 (name[3] == 'n') && (name[4] == 's') && (name[5] == 0)) {
1120 xmlNsPtr nsret;
1121 xmlChar *val;
1122
1123 if (!ctxt->replaceEntities) {
1124 ctxt->depth++;
1125 val = xmlStringDecodeEntities(ctxt, value, XML_SUBSTITUTE_REF,
1126 0,0,0);
1127 ctxt->depth--;
1128 } else {
1129 val = (xmlChar *) value;
1130 }
1131
1132 if (val[0] != 0) {
1133 xmlURIPtr uri;
1134
1135 uri = xmlParseURI((const char *)val);
1136 if (uri == NULL) {
1137 if ((ctxt->sax != NULL) && (ctxt->sax->warning != NULL))
1138 ctxt->sax->warning(ctxt->userData,
1139 "xmlns: %s not a valid URI\n", val);
1140 } else {
1141 if (uri->scheme == NULL) {
1142 if ((ctxt->sax != NULL) && (ctxt->sax->warning != NULL))
1143 ctxt->sax->warning(ctxt->userData,
1144 "xmlns: URI %s is not absolute\n", val);
1145 }
1146 xmlFreeURI(uri);
1147 }
1148 }
1149
1150 /* a default namespace definition */
1151 nsret = xmlNewNs(ctxt->node, val, NULL);
1152
1153#ifdef LIBXML_VALID_ENABLED
1154 /*
1155 * Validate also for namespace decls, they are attributes from
1156 * an XML-1.0 perspective
1157 */
1158 if (nsret != NULL && ctxt->validate && ctxt->wellFormed &&
1159 ctxt->myDoc && ctxt->myDoc->intSubset)
1160 ctxt->valid &= xmlValidateOneNamespace(&ctxt->vctxt, ctxt->myDoc,
1161 ctxt->node, prefix, nsret, val);
1162#endif /* LIBXML_VALID_ENABLED */
1163 if (name != NULL)
1164 xmlFree(name);
1165 if (nval != NULL)
1166 xmlFree(nval);
1167 if (val != value)
1168 xmlFree(val);
1169 return;
1170 }
1171 if ((!ctxt->html) &&
1172 (ns != NULL) && (ns[0] == 'x') && (ns[1] == 'm') && (ns[2] == 'l') &&
1173 (ns[3] == 'n') && (ns[4] == 's') && (ns[5] == 0)) {
1174 xmlNsPtr nsret;
1175 xmlChar *val;
1176
1177 if (!ctxt->replaceEntities) {
1178 ctxt->depth++;
1179 val = xmlStringDecodeEntities(ctxt, value, XML_SUBSTITUTE_REF,
1180 0,0,0);
1181 ctxt->depth--;
1182 if (val == NULL) {
1183 xmlSAX2ErrMemory(ctxt, "xmlSAX2StartElement");
1184 xmlFree(ns);
1185 if (name != NULL)
1186 xmlFree(name);
1187 return;
1188 }
1189 } else {
1190 val = (xmlChar *) value;
1191 }
1192
1193 if (val[0] == 0) {
1194 xmlNsErrMsg(ctxt, XML_NS_ERR_EMPTY,
1195 "Empty namespace name for prefix %s\n", name, NULL);
1196 }
1197 if ((ctxt->pedantic != 0) && (val[0] != 0)) {
1198 xmlURIPtr uri;
1199
1200 uri = xmlParseURI((const char *)val);
1201 if (uri == NULL) {
1202 xmlNsWarnMsg(ctxt, XML_WAR_NS_URI,
1203 "xmlns:%s: %s not a valid URI\n", name, value);
1204 } else {
1205 if (uri->scheme == NULL) {
1206 xmlNsWarnMsg(ctxt, XML_WAR_NS_URI_RELATIVE,
1207 "xmlns:%s: URI %s is not absolute\n", name, value);
1208 }
1209 xmlFreeURI(uri);
1210 }
1211 }
1212
1213 /* a standard namespace definition */
1214 nsret = xmlNewNs(ctxt->node, val, name);
1215 xmlFree(ns);
1216#ifdef LIBXML_VALID_ENABLED
1217 /*
1218 * Validate also for namespace decls, they are attributes from
1219 * an XML-1.0 perspective
1220 */
1221 if (nsret != NULL && ctxt->validate && ctxt->wellFormed &&
1222 ctxt->myDoc && ctxt->myDoc->intSubset)
1223 ctxt->valid &= xmlValidateOneNamespace(&ctxt->vctxt, ctxt->myDoc,
1224 ctxt->node, prefix, nsret, value);
1225#endif /* LIBXML_VALID_ENABLED */
1226 if (name != NULL)
1227 xmlFree(name);
1228 if (nval != NULL)
1229 xmlFree(nval);
1230 if (val != value)
1231 xmlFree(val);
1232 return;
1233 }
1234
1235 if (ns != NULL) {
1236 xmlAttrPtr prop;
1237 namespace = xmlSearchNs(ctxt->myDoc, ctxt->node, ns);
1238 if (namespace == NULL) {
1239 xmlNsErrMsg(ctxt, XML_NS_ERR_UNDEFINED_NAMESPACE,
1240 "Namespace prefix %s of attribute %s is not defined\n",
1241 ns, name);
1242 }
1243
1244 prop = ctxt->node->properties;
1245 while (prop != NULL) {
1246 if (prop->ns != NULL) {
1247 if ((xmlStrEqual(name, prop->name)) &&
1248 ((namespace == prop->ns) ||
1249 (xmlStrEqual(namespace->href, prop->ns->href)))) {
1250 xmlNsErrMsg(ctxt, XML_ERR_ATTRIBUTE_REDEFINED,
1251 "Attribute %s in %s redefined\n",
1252 name, namespace->href);
1253 ctxt->wellFormed = 0;
1254 if (ctxt->recovery == 0) ctxt->disableSAX = 1;
1255 goto error;
1256 }
1257 }
1258 prop = prop->next;
1259 }
1260 } else {
1261 namespace = NULL;
1262 }
1263
1264 /* !!!!!! <a toto:arg="" xmlns:toto="http://toto.com"> */
1265 ret = xmlNewNsPropEatName(ctxt->node, namespace, name, NULL);
1266
1267 if (ret != NULL) {
1268 if ((ctxt->replaceEntities == 0) && (!ctxt->html)) {
1269 xmlNodePtr tmp;
1270
1271 ret->children = xmlStringGetNodeList(ctxt->myDoc, value);
1272 tmp = ret->children;
1273 while (tmp != NULL) {
1274 tmp->parent = (xmlNodePtr) ret;
1275 if (tmp->next == NULL)
1276 ret->last = tmp;
1277 tmp = tmp->next;
1278 }
1279 } else if (value != NULL) {
1280 ret->children = xmlNewDocText(ctxt->myDoc, value);
1281 ret->last = ret->children;
1282 if (ret->children != NULL)
1283 ret->children->parent = (xmlNodePtr) ret;
1284 }
1285 }
1286
1287#ifdef LIBXML_VALID_ENABLED
1288 if ((!ctxt->html) && ctxt->validate && ctxt->wellFormed &&
1289 ctxt->myDoc && ctxt->myDoc->intSubset) {
1290
1291 /*
1292 * If we don't substitute entities, the validation should be
1293 * done on a value with replaced entities anyway.
1294 */
1295 if (!ctxt->replaceEntities) {
1296 xmlChar *val;
1297
1298 ctxt->depth++;
1299 val = xmlStringDecodeEntities(ctxt, value, XML_SUBSTITUTE_REF,
1300 0,0,0);
1301 ctxt->depth--;
1302
1303 if (val == NULL)
1304 ctxt->valid &= xmlValidateOneAttribute(&ctxt->vctxt,
1305 ctxt->myDoc, ctxt->node, ret, value);
1306 else {
1307 xmlChar *nvalnorm;
1308
1309 /*
1310 * Do the last stage of the attribute normalization
1311 * It need to be done twice ... it's an extra burden related
1312 * to the ability to keep xmlSAX2References in attributes
1313 */
1314 nvalnorm = xmlValidNormalizeAttributeValue(ctxt->myDoc,
1315 ctxt->node, fullname, val);
1316 if (nvalnorm != NULL) {
1317 xmlFree(val);
1318 val = nvalnorm;
1319 }
1320
1321 ctxt->valid &= xmlValidateOneAttribute(&ctxt->vctxt,
1322 ctxt->myDoc, ctxt->node, ret, val);
1323 xmlFree(val);
1324 }
1325 } else {
1326 ctxt->valid &= xmlValidateOneAttribute(&ctxt->vctxt, ctxt->myDoc,
1327 ctxt->node, ret, value);
1328 }
1329 } else
1330#endif /* LIBXML_VALID_ENABLED */
1331 if (((ctxt->loadsubset & XML_SKIP_IDS) == 0) &&
1332 (((ctxt->replaceEntities == 0) && (ctxt->external != 2)) ||
1333 ((ctxt->replaceEntities != 0) && (ctxt->inSubset == 0)))) {
1334 /*
1335 * when validating, the ID registration is done at the attribute
1336 * validation level. Otherwise we have to do specific handling here.
1337 */
1338 if (xmlStrEqual(fullname, BAD_CAST "xml:id")) {
1339 /*
1340 * Add the xml:id value
1341 *
1342 * Open issue: normalization of the value.
1343 */
1344 if (xmlValidateNCName(value, 1) != 0) {
1345 xmlErrValid(ctxt, XML_DTD_XMLID_VALUE,
1346 "xml:id : attribute value %s is not an NCName\n",
1347 (const char *) value, NULL);
1348 }
1349 xmlAddID(&ctxt->vctxt, ctxt->myDoc, value, ret);
1350 } else if (xmlIsID(ctxt->myDoc, ctxt->node, ret))
1351 xmlAddID(&ctxt->vctxt, ctxt->myDoc, value, ret);
1352 else if (xmlIsRef(ctxt->myDoc, ctxt->node, ret))
1353 xmlAddRef(&ctxt->vctxt, ctxt->myDoc, value, ret);
1354 }
1355
1356error:
1357 if (nval != NULL)
1358 xmlFree(nval);
1359 if (ns != NULL)
1360 xmlFree(ns);
1361}
1362
1363/*
1364 * xmlCheckDefaultedAttributes:
1365 *
1366 * Check defaulted attributes from the DTD
1367 */
1368static void
1369xmlCheckDefaultedAttributes(xmlParserCtxtPtr ctxt, const xmlChar *name,
1370 const xmlChar *prefix, const xmlChar **atts) {
1371 xmlElementPtr elemDecl;
1372 const xmlChar *att;
1373 int internal = 1;
1374 int i;
1375
1376 elemDecl = xmlGetDtdQElementDesc(ctxt->myDoc->intSubset, name, prefix);
1377 if (elemDecl == NULL) {
1378 elemDecl = xmlGetDtdQElementDesc(ctxt->myDoc->extSubset, name, prefix);
1379 internal = 0;
1380 }
1381
1382process_external_subset:
1383
1384 if (elemDecl != NULL) {
1385 xmlAttributePtr attr = elemDecl->attributes;
1386 /*
1387 * Check against defaulted attributes from the external subset
1388 * if the document is stamped as standalone
1389 */
1390 if ((ctxt->myDoc->standalone == 1) &&
1391 (ctxt->myDoc->extSubset != NULL) &&
1392 (ctxt->validate)) {
1393 while (attr != NULL) {
1394 if ((attr->defaultValue != NULL) &&
1395 (xmlGetDtdQAttrDesc(ctxt->myDoc->extSubset,
1396 attr->elem, attr->name,
1397 attr->prefix) == attr) &&
1398 (xmlGetDtdQAttrDesc(ctxt->myDoc->intSubset,
1399 attr->elem, attr->name,
1400 attr->prefix) == NULL)) {
1401 xmlChar *fulln;
1402
1403 if (attr->prefix != NULL) {
1404 fulln = xmlStrdup(attr->prefix);
1405 fulln = xmlStrcat(fulln, BAD_CAST ":");
1406 fulln = xmlStrcat(fulln, attr->name);
1407 } else {
1408 fulln = xmlStrdup(attr->name);
1409 }
1410
1411 /*
1412 * Check that the attribute is not declared in the
1413 * serialization
1414 */
1415 att = NULL;
1416 if (atts != NULL) {
1417 i = 0;
1418 att = atts[i];
1419 while (att != NULL) {
1420 if (xmlStrEqual(att, fulln))
1421 break;
1422 i += 2;
1423 att = atts[i];
1424 }
1425 }
1426 if (att == NULL) {
1427 xmlErrValid(ctxt, XML_DTD_STANDALONE_DEFAULTED,
1428 "standalone: attribute %s on %s defaulted from external subset\n",
1429 (const char *)fulln,
1430 (const char *)attr->elem);
1431 }
1432 }
1433 attr = attr->nexth;
1434 }
1435 }
1436
1437 /*
1438 * Actually insert defaulted values when needed
1439 */
1440 attr = elemDecl->attributes;
1441 while (attr != NULL) {
1442 /*
1443 * Make sure that attributes redefinition occuring in the
1444 * internal subset are not overriden by definitions in the
1445 * external subset.
1446 */
1447 if (attr->defaultValue != NULL) {
1448 /*
1449 * the element should be instantiated in the tree if:
1450 * - this is a namespace prefix
1451 * - the user required for completion in the tree
1452 * like XSLT
1453 * - there isn't already an attribute definition
1454 * in the internal subset overriding it.
1455 */
1456 if (((attr->prefix != NULL) &&
1457 (xmlStrEqual(attr->prefix, BAD_CAST "xmlns"))) ||
1458 ((attr->prefix == NULL) &&
1459 (xmlStrEqual(attr->name, BAD_CAST "xmlns"))) ||
1460 (ctxt->loadsubset & XML_COMPLETE_ATTRS)) {
1461 xmlAttributePtr tst;
1462
1463 tst = xmlGetDtdQAttrDesc(ctxt->myDoc->intSubset,
1464 attr->elem, attr->name,
1465 attr->prefix);
1466 if ((tst == attr) || (tst == NULL)) {
1467 xmlChar fn[50];
1468 xmlChar *fulln;
1469
1470 fulln = xmlBuildQName(attr->name, attr->prefix, fn, 50);
1471 if (fulln == NULL) {
1472 xmlSAX2ErrMemory(ctxt, "xmlSAX2StartElement");
1473 return;
1474 }
1475
1476 /*
1477 * Check that the attribute is not declared in the
1478 * serialization
1479 */
1480 att = NULL;
1481 if (atts != NULL) {
1482 i = 0;
1483 att = atts[i];
1484 while (att != NULL) {
1485 if (xmlStrEqual(att, fulln))
1486 break;
1487 i += 2;
1488 att = atts[i];
1489 }
1490 }
1491 if (att == NULL) {
1492 xmlSAX2AttributeInternal(ctxt, fulln,
1493 attr->defaultValue, prefix);
1494 }
1495 if ((fulln != fn) && (fulln != attr->name))
1496 xmlFree(fulln);
1497 }
1498 }
1499 }
1500 attr = attr->nexth;
1501 }
1502 if (internal == 1) {
1503 elemDecl = xmlGetDtdQElementDesc(ctxt->myDoc->extSubset,
1504 name, prefix);
1505 internal = 0;
1506 goto process_external_subset;
1507 }
1508 }
1509}
1510
1511/**
1512 * xmlSAX2StartElement:
1513 * @ctx: the user data (XML parser context)
1514 * @fullname: The element name, including namespace prefix
1515 * @atts: An array of name/value attributes pairs, NULL terminated
1516 *
1517 * called when an opening tag has been processed.
1518 */
1519void
1520xmlSAX2StartElement(void *ctx, const xmlChar *fullname, const xmlChar **atts)
1521{
1522 xmlParserCtxtPtr ctxt = (xmlParserCtxtPtr) ctx;
1523 xmlNodePtr ret;
1524 xmlNodePtr parent;
1525 xmlNsPtr ns;
1526 xmlChar *name;
1527 xmlChar *prefix;
1528 const xmlChar *att;
1529 const xmlChar *value;
1530 int i;
1531
1532 if ((ctx == NULL) || (fullname == NULL) || (ctxt->myDoc == NULL)) return;
1533 parent = ctxt->node;
1534#ifdef DEBUG_SAX
1535 xmlGenericError(xmlGenericErrorContext,
1536 "SAX.xmlSAX2StartElement(%s)\n", fullname);
1537#endif
1538
1539 /*
1540 * First check on validity:
1541 */
1542 if (ctxt->validate && (ctxt->myDoc->extSubset == NULL) &&
1543 ((ctxt->myDoc->intSubset == NULL) ||
1544 ((ctxt->myDoc->intSubset->notations == NULL) &&
1545 (ctxt->myDoc->intSubset->elements == NULL) &&
1546 (ctxt->myDoc->intSubset->attributes == NULL) &&
1547 (ctxt->myDoc->intSubset->entities == NULL)))) {
1548 xmlErrValid(ctxt, XML_ERR_NO_DTD,
1549 "Validation failed: no DTD found !", NULL, NULL);
1550 ctxt->validate = 0;
1551 }
1552
1553
1554 /*
1555 * Split the full name into a namespace prefix and the tag name
1556 */
1557 name = xmlSplitQName(ctxt, fullname, &prefix);
1558
1559
1560 /*
1561 * Note : the namespace resolution is deferred until the end of the
1562 * attributes parsing, since local namespace can be defined as
1563 * an attribute at this level.
1564 */
1565 ret = xmlNewDocNodeEatName(ctxt->myDoc, NULL, name, NULL);
1566 if (ret == NULL) {
1567 if (prefix != NULL)
1568 xmlFree(prefix);
1569 xmlSAX2ErrMemory(ctxt, "xmlSAX2StartElement");
1570 return;
1571 }
1572 if (ctxt->myDoc->children == NULL) {
1573#ifdef DEBUG_SAX_TREE
1574 xmlGenericError(xmlGenericErrorContext, "Setting %s as root\n", name);
1575#endif
1576 xmlAddChild((xmlNodePtr) ctxt->myDoc, (xmlNodePtr) ret);
1577 } else if (parent == NULL) {
1578 parent = ctxt->myDoc->children;
1579 }
1580 ctxt->nodemem = -1;
1581 if (ctxt->linenumbers) {
1582 if (ctxt->input != NULL) {
1583 if (ctxt->input->line < 65535)
1584 ret->line = (short) ctxt->input->line;
1585 else
1586 ret->line = 65535;
1587 }
1588 }
1589
1590 /*
1591 * We are parsing a new node.
1592 */
1593#ifdef DEBUG_SAX_TREE
1594 xmlGenericError(xmlGenericErrorContext, "pushing(%s)\n", name);
1595#endif
1596 nodePush(ctxt, ret);
1597
1598 /*
1599 * Link the child element
1600 */
1601 if (parent != NULL) {
1602 if (parent->type == XML_ELEMENT_NODE) {
1603#ifdef DEBUG_SAX_TREE
1604 xmlGenericError(xmlGenericErrorContext,
1605 "adding child %s to %s\n", name, parent->name);
1606#endif
1607 xmlAddChild(parent, ret);
1608 } else {
1609#ifdef DEBUG_SAX_TREE
1610 xmlGenericError(xmlGenericErrorContext,
1611 "adding sibling %s to ", name);
1612 xmlDebugDumpOneNode(stderr, parent, 0);
1613#endif
1614 xmlAddSibling(parent, ret);
1615 }
1616 }
1617
1618 /*
1619 * Insert all the defaulted attributes from the DTD especially namespaces
1620 */
1621 if ((!ctxt->html) &&
1622 ((ctxt->myDoc->intSubset != NULL) ||
1623 (ctxt->myDoc->extSubset != NULL))) {
1624 xmlCheckDefaultedAttributes(ctxt, name, prefix, atts);
1625 }
1626
1627 /*
1628 * process all the attributes whose name start with "xmlns"
1629 */
1630 if (atts != NULL) {
1631 i = 0;
1632 att = atts[i++];
1633 value = atts[i++];
1634 if (!ctxt->html) {
1635 while ((att != NULL) && (value != NULL)) {
1636 if ((att[0] == 'x') && (att[1] == 'm') && (att[2] == 'l') &&
1637 (att[3] == 'n') && (att[4] == 's'))
1638 xmlSAX2AttributeInternal(ctxt, att, value, prefix);
1639
1640 att = atts[i++];
1641 value = atts[i++];
1642 }
1643 }
1644 }
1645
1646 /*
1647 * Search the namespace, note that since the attributes have been
1648 * processed, the local namespaces are available.
1649 */
1650 ns = xmlSearchNs(ctxt->myDoc, ret, prefix);
1651 if ((ns == NULL) && (parent != NULL))
1652 ns = xmlSearchNs(ctxt->myDoc, parent, prefix);
1653 if ((prefix != NULL) && (ns == NULL)) {
1654 ns = xmlNewNs(ret, NULL, prefix);
1655 xmlNsWarnMsg(ctxt, XML_NS_ERR_UNDEFINED_NAMESPACE,
1656 "Namespace prefix %s is not defined\n",
1657 prefix, NULL);
1658 }
1659
1660 /*
1661 * set the namespace node, making sure that if the default namspace
1662 * is unbound on a parent we simply kee it NULL
1663 */
1664 if ((ns != NULL) && (ns->href != NULL) &&
1665 ((ns->href[0] != 0) || (ns->prefix != NULL)))
1666 xmlSetNs(ret, ns);
1667
1668 /*
1669 * process all the other attributes
1670 */
1671 if (atts != NULL) {
1672 i = 0;
1673 att = atts[i++];
1674 value = atts[i++];
1675 if (ctxt->html) {
1676 while (att != NULL) {
1677 xmlSAX2AttributeInternal(ctxt, att, value, NULL);
1678 att = atts[i++];
1679 value = atts[i++];
1680 }
1681 } else {
1682 while ((att != NULL) && (value != NULL)) {
1683 if ((att[0] != 'x') || (att[1] != 'm') || (att[2] != 'l') ||
1684 (att[3] != 'n') || (att[4] != 's'))
1685 xmlSAX2AttributeInternal(ctxt, att, value, NULL);
1686
1687 /*
1688 * Next ones
1689 */
1690 att = atts[i++];
1691 value = atts[i++];
1692 }
1693 }
1694 }
1695
1696#ifdef LIBXML_VALID_ENABLED
1697 /*
1698 * If it's the Document root, finish the DTD validation and
1699 * check the document root element for validity
1700 */
1701 if ((ctxt->validate) && (ctxt->vctxt.finishDtd == XML_CTXT_FINISH_DTD_0)) {
1702 int chk;
1703
1704 chk = xmlValidateDtdFinal(&ctxt->vctxt, ctxt->myDoc);
1705 if (chk <= 0)
1706 ctxt->valid = 0;
1707 if (chk < 0)
1708 ctxt->wellFormed = 0;
1709 ctxt->valid &= xmlValidateRoot(&ctxt->vctxt, ctxt->myDoc);
1710 ctxt->vctxt.finishDtd = XML_CTXT_FINISH_DTD_1;
1711 }
1712#endif /* LIBXML_VALID_ENABLED */
1713
1714 if (prefix != NULL)
1715 xmlFree(prefix);
1716
1717}
1718
1719/**
1720 * xmlSAX2EndElement:
1721 * @ctx: the user data (XML parser context)
1722 * @name: The element name
1723 *
1724 * called when the end of an element has been detected.
1725 */
1726void
1727xmlSAX2EndElement(void *ctx, const xmlChar *name ATTRIBUTE_UNUSED)
1728{
1729 xmlParserCtxtPtr ctxt = (xmlParserCtxtPtr) ctx;
1730 xmlParserNodeInfo node_info;
1731 xmlNodePtr cur;
1732
1733 if (ctx == NULL) return;
1734 cur = ctxt->node;
1735#ifdef DEBUG_SAX
1736 if (name == NULL)
1737 xmlGenericError(xmlGenericErrorContext, "SAX.xmlSAX2EndElement(NULL)\n");
1738 else
1739 xmlGenericError(xmlGenericErrorContext, "SAX.xmlSAX2EndElement(%s)\n", name);
1740#endif
1741
1742 /* Capture end position and add node */
1743 if (cur != NULL && ctxt->record_info) {
1744 node_info.end_pos = ctxt->input->cur - ctxt->input->base;
1745 node_info.end_line = ctxt->input->line;
1746 node_info.node = cur;
1747 xmlParserAddNodeInfo(ctxt, &node_info);
1748 }
1749 ctxt->nodemem = -1;
1750
1751#ifdef LIBXML_VALID_ENABLED
1752 if (ctxt->validate && ctxt->wellFormed &&
1753 ctxt->myDoc && ctxt->myDoc->intSubset)
1754 ctxt->valid &= xmlValidateOneElement(&ctxt->vctxt, ctxt->myDoc,
1755 cur);
1756#endif /* LIBXML_VALID_ENABLED */
1757
1758
1759 /*
1760 * end of parsing of this node.
1761 */
1762#ifdef DEBUG_SAX_TREE
1763 xmlGenericError(xmlGenericErrorContext, "popping(%s)\n", cur->name);
1764#endif
1765 nodePop(ctxt);
1766}
1767#endif /* LIBXML_SAX1_ENABLED || LIBXML_HTML_ENABLE */
1768
1769/*
1770 * xmlSAX2TextNode:
1771 * @ctxt: the parser context
1772 * @str: the input string
1773 * @len: the string length
1774 *
1775 * Remove the entities from an attribute value
1776 *
1777 * Returns the newly allocated string or NULL if not needed or error
1778 */
1779static xmlNodePtr
1780xmlSAX2TextNode(xmlParserCtxtPtr ctxt, const xmlChar *str, int len) {
1781 xmlNodePtr ret;
1782 const xmlChar *intern = NULL;
1783
1784 /*
1785 * Allocate
1786 */
1787 if (ctxt->freeElems != NULL) {
1788 ret = ctxt->freeElems;
1789 ctxt->freeElems = ret->next;
1790 ctxt->freeElemsNr--;
1791 } else {
1792 ret = (xmlNodePtr) xmlMalloc(sizeof(xmlNode));
1793 }
1794 if (ret == NULL) {
1795 xmlErrMemory(ctxt, "xmlSAX2Characters");
1796 return(NULL);
1797 }
1798 memset(ret, 0, sizeof(xmlNode));
1799 /*
1800 * intern the formatting blanks found between tags, or the
1801 * very short strings
1802 */
1803 if (ctxt->dictNames) {
1804 xmlChar cur = str[len];
1805
1806 if ((len < (int) (2 * sizeof(void *))) &&
1807 (ctxt->options & XML_PARSE_COMPACT)) {
1808 /* store the string in the node overrithing properties and nsDef */
1809 xmlChar *tmp = (xmlChar *) &(ret->properties);
1810 memcpy(tmp, str, len);
1811 tmp[len] = 0;
1812 intern = tmp;
1813 } else if ((len <= 3) && ((cur == '"') || (cur == '\'') ||
1814 ((cur == '<') && (str[len + 1] != '!')))) {
1815 intern = xmlDictLookup(ctxt->dict, str, len);
1816 } else if (IS_BLANK_CH(*str) && (len < 60) && (cur == '<') &&
1817 (str[len + 1] != '!')) {
1818 int i;
1819
1820 for (i = 1;i < len;i++) {
1821 if (!IS_BLANK_CH(str[i])) goto skip;
1822 }
1823 intern = xmlDictLookup(ctxt->dict, str, len);
1824 }
1825 }
1826skip:
1827 ret->type = XML_TEXT_NODE;
1828
1829 ret->name = xmlStringText;
1830 if (intern == NULL) {
1831 ret->content = xmlStrndup(str, len);
1832 if (ret->content == NULL) {
1833 xmlSAX2ErrMemory(ctxt, "xmlSAX2TextNode");
1834 xmlFree(ret);
1835 return(NULL);
1836 }
1837 } else
1838 ret->content = (xmlChar *) intern;
1839
1840 if ((__xmlRegisterCallbacks) && (xmlRegisterNodeDefaultValue))
1841 xmlRegisterNodeDefaultValue(ret);
1842 return(ret);
1843}
1844
1845#ifdef LIBXML_VALID_ENABLED
1846/*
1847 * xmlSAX2DecodeAttrEntities:
1848 * @ctxt: the parser context
1849 * @str: the input string
1850 * @len: the string length
1851 *
1852 * Remove the entities from an attribute value
1853 *
1854 * Returns the newly allocated string or NULL if not needed or error
1855 */
1856static xmlChar *
1857xmlSAX2DecodeAttrEntities(xmlParserCtxtPtr ctxt, const xmlChar *str,
1858 const xmlChar *end) {
1859 const xmlChar *in;
1860 xmlChar *ret;
1861
1862 in = str;
1863 while (in < end)
1864 if (*in++ == '&')
1865 goto decode;
1866 return(NULL);
1867decode:
1868 ctxt->depth++;
1869 ret = xmlStringLenDecodeEntities(ctxt, str, end - str,
1870 XML_SUBSTITUTE_REF, 0,0,0);
1871 ctxt->depth--;
1872 return(ret);
1873}
1874#endif /* LIBXML_VALID_ENABLED */
1875
1876/**
1877 * xmlSAX2AttributeNs:
1878 * @ctx: the user data (XML parser context)
1879 * @localname: the local name of the attribute
1880 * @prefix: the attribute namespace prefix if available
1881 * @URI: the attribute namespace name if available
1882 * @value: Start of the attribute value
1883 * @valueend: end of the attribute value
1884 *
1885 * Handle an attribute that has been read by the parser.
1886 * The default handling is to convert the attribute into an
1887 * DOM subtree and past it in a new xmlAttr element added to
1888 * the element.
1889 */
1890static void
1891xmlSAX2AttributeNs(xmlParserCtxtPtr ctxt,
1892 const xmlChar * localname,
1893 const xmlChar * prefix,
1894 const xmlChar * value,
1895 const xmlChar * valueend)
1896{
1897 xmlAttrPtr ret;
1898 xmlNsPtr namespace = NULL;
1899 xmlChar *dup = NULL;
1900
1901 /*
1902 * Note: if prefix == NULL, the attribute is not in the default namespace
1903 */
1904 if (prefix != NULL)
1905 namespace = xmlSearchNs(ctxt->myDoc, ctxt->node, prefix);
1906
1907 /*
1908 * allocate the node
1909 */
1910 if (ctxt->freeAttrs != NULL) {
1911 ret = ctxt->freeAttrs;
1912 ctxt->freeAttrs = ret->next;
1913 ctxt->freeAttrsNr--;
1914 memset(ret, 0, sizeof(xmlAttr));
1915 ret->type = XML_ATTRIBUTE_NODE;
1916
1917 ret->parent = ctxt->node;
1918 ret->doc = ctxt->myDoc;
1919 ret->ns = namespace;
1920
1921 if (ctxt->dictNames)
1922 ret->name = localname;
1923 else
1924 ret->name = xmlStrdup(localname);
1925
1926 /* link at the end to preserv order, TODO speed up with a last */
1927 if (ctxt->node->properties == NULL) {
1928 ctxt->node->properties = ret;
1929 } else {
1930 xmlAttrPtr prev = ctxt->node->properties;
1931
1932 while (prev->next != NULL) prev = prev->next;
1933 prev->next = ret;
1934 ret->prev = prev;
1935 }
1936
1937 if ((__xmlRegisterCallbacks) && (xmlRegisterNodeDefaultValue))
1938 xmlRegisterNodeDefaultValue((xmlNodePtr)ret);
1939 } else {
1940 if (ctxt->dictNames)
1941 ret = xmlNewNsPropEatName(ctxt->node, namespace,
1942 (xmlChar *) localname, NULL);
1943 else
1944 ret = xmlNewNsProp(ctxt->node, namespace, localname, NULL);
1945 if (ret == NULL) {
1946 xmlErrMemory(ctxt, "xmlSAX2AttributeNs");
1947 return;
1948 }
1949 }
1950
1951 if ((ctxt->replaceEntities == 0) && (!ctxt->html)) {
1952 xmlNodePtr tmp;
1953
1954 /*
1955 * We know that if there is an entity reference, then
1956 * the string has been dup'ed and terminates with 0
1957 * otherwise with ' or "
1958 */
1959 if (*valueend != 0) {
1960 tmp = xmlSAX2TextNode(ctxt, value, valueend - value);
1961 ret->children = tmp;
1962 ret->last = tmp;
1963 if (tmp != NULL) {
1964 tmp->doc = ret->doc;
1965 tmp->parent = (xmlNodePtr) ret;
1966 }
1967 } else {
1968 ret->children = xmlStringLenGetNodeList(ctxt->myDoc, value,
1969 valueend - value);
1970 tmp = ret->children;
1971 while (tmp != NULL) {
1972 tmp->doc = ret->doc;
1973 tmp->parent = (xmlNodePtr) ret;
1974 if (tmp->next == NULL)
1975 ret->last = tmp;
1976 tmp = tmp->next;
1977 }
1978 }
1979 } else if (value != NULL) {
1980 xmlNodePtr tmp;
1981
1982 tmp = xmlSAX2TextNode(ctxt, value, valueend - value);
1983 ret->children = tmp;
1984 ret->last = tmp;
1985 if (tmp != NULL) {
1986 tmp->doc = ret->doc;
1987 tmp->parent = (xmlNodePtr) ret;
1988 }
1989 }
1990
1991#ifdef LIBXML_VALID_ENABLED
1992 if ((!ctxt->html) && ctxt->validate && ctxt->wellFormed &&
1993 ctxt->myDoc && ctxt->myDoc->intSubset) {
1994 /*
1995 * If we don't substitute entities, the validation should be
1996 * done on a value with replaced entities anyway.
1997 */
1998 if (!ctxt->replaceEntities) {
1999 dup = xmlSAX2DecodeAttrEntities(ctxt, value, valueend);
2000 if (dup == NULL) {
2001 if (*valueend == 0) {
2002 ctxt->valid &= xmlValidateOneAttribute(&ctxt->vctxt,
2003 ctxt->myDoc, ctxt->node, ret, value);
2004 } else {
2005 /*
2006 * That should already be normalized.
2007 * cheaper to finally allocate here than duplicate
2008 * entry points in the full validation code
2009 */
2010 dup = xmlStrndup(value, valueend - value);
2011
2012 ctxt->valid &= xmlValidateOneAttribute(&ctxt->vctxt,
2013 ctxt->myDoc, ctxt->node, ret, dup);
2014 }
2015 } else {
2016 /*
2017 * dup now contains a string of the flattened attribute
2018 * content with entities substitued. Check if we need to
2019 * apply an extra layer of normalization.
2020 * It need to be done twice ... it's an extra burden related
2021 * to the ability to keep references in attributes
2022 */
2023 if (ctxt->attsSpecial != NULL) {
2024 xmlChar *nvalnorm;
2025 xmlChar fn[50];
2026 xmlChar *fullname;
2027
2028 fullname = xmlBuildQName(localname, prefix, fn, 50);
2029 if (fullname != NULL) {
2030 ctxt->vctxt.valid = 1;
2031 nvalnorm = xmlValidCtxtNormalizeAttributeValue(
2032 &ctxt->vctxt, ctxt->myDoc,
2033 ctxt->node, fullname, dup);
2034 if (ctxt->vctxt.valid != 1)
2035 ctxt->valid = 0;
2036
2037 if ((fullname != fn) && (fullname != localname))
2038 xmlFree(fullname);
2039 if (nvalnorm != NULL) {
2040 xmlFree(dup);
2041 dup = nvalnorm;
2042 }
2043 }
2044 }
2045
2046 ctxt->valid &= xmlValidateOneAttribute(&ctxt->vctxt,
2047 ctxt->myDoc, ctxt->node, ret, dup);
2048 }
2049 } else {
2050 /*
2051 * if entities already have been substitued, then
2052 * the attribute as passed is already normalized
2053 */
2054 dup = xmlStrndup(value, valueend - value);
2055
2056 ctxt->valid &= xmlValidateOneAttribute(&ctxt->vctxt,
2057 ctxt->myDoc, ctxt->node, ret, dup);
2058 }
2059 } else
2060#endif /* LIBXML_VALID_ENABLED */
2061 if (((ctxt->loadsubset & XML_SKIP_IDS) == 0) &&
2062 (((ctxt->replaceEntities == 0) && (ctxt->external != 2)) ||
2063 ((ctxt->replaceEntities != 0) && (ctxt->inSubset == 0)))) {
2064 /*
2065 * when validating, the ID registration is done at the attribute
2066 * validation level. Otherwise we have to do specific handling here.
2067 */
2068 if ((prefix == ctxt->str_xml) &&
2069 (localname[0] == 'i') && (localname[1] == 'd') &&
2070 (localname[2] == 0)) {
2071 /*
2072 * Add the xml:id value
2073 *
2074 * Open issue: normalization of the value.
2075 */
2076 if (dup == NULL)
2077 dup = xmlStrndup(value, valueend - value);
2078#ifdef LIBXML_VALID_ENABLED
2079 if (xmlValidateNCName(dup, 1) != 0) {
2080 xmlErrValid(ctxt, XML_DTD_XMLID_VALUE,
2081 "xml:id : attribute value %s is not an NCName\n",
2082 (const char *) dup, NULL);
2083 }
2084#endif
2085 xmlAddID(&ctxt->vctxt, ctxt->myDoc, dup, ret);
2086 } else if (xmlIsID(ctxt->myDoc, ctxt->node, ret)) {
2087 /* might be worth duplicate entry points and not copy */
2088 if (dup == NULL)
2089 dup = xmlStrndup(value, valueend - value);
2090 xmlAddID(&ctxt->vctxt, ctxt->myDoc, dup, ret);
2091 } else if (xmlIsRef(ctxt->myDoc, ctxt->node, ret)) {
2092 if (dup == NULL)
2093 dup = xmlStrndup(value, valueend - value);
2094 xmlAddRef(&ctxt->vctxt, ctxt->myDoc, dup, ret);
2095 }
2096 }
2097 if (dup != NULL)
2098 xmlFree(dup);
2099}
2100
2101/**
2102 * xmlSAX2StartElementNs:
2103 * @ctx: the user data (XML parser context)
2104 * @localname: the local name of the element
2105 * @prefix: the element namespace prefix if available
2106 * @URI: the element namespace name if available
2107 * @nb_namespaces: number of namespace definitions on that node
2108 * @namespaces: pointer to the array of prefix/URI pairs namespace definitions
2109 * @nb_attributes: the number of attributes on that node
2110 * @nb_defaulted: the number of defaulted attributes.
2111 * @attributes: pointer to the array of (localname/prefix/URI/value/end)
2112 * attribute values.
2113 *
2114 * SAX2 callback when an element start has been detected by the parser.
2115 * It provides the namespace informations for the element, as well as
2116 * the new namespace declarations on the element.
2117 */
2118void
2119xmlSAX2StartElementNs(void *ctx,
2120 const xmlChar *localname,
2121 const xmlChar *prefix,
2122 const xmlChar *URI,
2123 int nb_namespaces,
2124 const xmlChar **namespaces,
2125 int nb_attributes,
2126 int nb_defaulted,
2127 const xmlChar **attributes)
2128{
2129 xmlParserCtxtPtr ctxt = (xmlParserCtxtPtr) ctx;
2130 xmlNodePtr ret;
2131 xmlNodePtr parent;
2132 xmlNsPtr last = NULL, ns;
2133 const xmlChar *uri, *pref;
2134 int i, j;
2135
2136 if (ctx == NULL) return;
2137 parent = ctxt->node;
2138 /*
2139 * First check on validity:
2140 */
2141 if (ctxt->validate && (ctxt->myDoc->extSubset == NULL) &&
2142 ((ctxt->myDoc->intSubset == NULL) ||
2143 ((ctxt->myDoc->intSubset->notations == NULL) &&
2144 (ctxt->myDoc->intSubset->elements == NULL) &&
2145 (ctxt->myDoc->intSubset->attributes == NULL) &&
2146 (ctxt->myDoc->intSubset->entities == NULL)))) {
2147 xmlErrValid(ctxt, XML_ERR_NO_DTD,
2148 "Validation failed: no DTD found !", NULL, NULL);
2149 ctxt->validate = 0;
2150 }
2151
2152 /*
2153 * allocate the node
2154 */
2155 if (ctxt->freeElems != NULL) {
2156 ret = ctxt->freeElems;
2157 ctxt->freeElems = ret->next;
2158 ctxt->freeElemsNr--;
2159 memset(ret, 0, sizeof(xmlNode));
2160 ret->type = XML_ELEMENT_NODE;
2161
2162 if (ctxt->dictNames)
2163 ret->name = localname;
2164 else {
2165 ret->name = xmlStrdup(localname);
2166 if (ret->name == NULL) {
2167 xmlSAX2ErrMemory(ctxt, "xmlSAX2StartElementNs");
2168 return;
2169 }
2170 }
2171 if ((__xmlRegisterCallbacks) && (xmlRegisterNodeDefaultValue))
2172 xmlRegisterNodeDefaultValue(ret);
2173 } else {
2174 if (ctxt->dictNames)
2175 ret = xmlNewDocNodeEatName(ctxt->myDoc, NULL,
2176 (xmlChar *) localname, NULL);
2177 else
2178 ret = xmlNewDocNode(ctxt->myDoc, NULL, localname, NULL);
2179 if (ret == NULL) {
2180 xmlSAX2ErrMemory(ctxt, "xmlSAX2StartElementNs");
2181 return;
2182 }
2183 }
2184 if (ctxt->linenumbers) {
2185 if (ctxt->input != NULL) {
2186 if (ctxt->input->line < 65535)
2187 ret->line = (short) ctxt->input->line;
2188 else
2189 ret->line = 65535;
2190 }
2191 }
2192
2193 if ((ctxt->myDoc->children == NULL) || (parent == NULL)) {
2194 xmlAddChild((xmlNodePtr) ctxt->myDoc, (xmlNodePtr) ret);
2195 }
2196 /*
2197 * Build the namespace list
2198 */
2199 for (i = 0,j = 0;j < nb_namespaces;j++) {
2200 pref = namespaces[i++];
2201 uri = namespaces[i++];
2202 ns = xmlNewNs(NULL, uri, pref);
2203 if (ns != NULL) {
2204 if (last == NULL) {
2205 ret->nsDef = last = ns;
2206 } else {
2207 last->next = ns;
2208 last = ns;
2209 }
2210 if ((URI != NULL) && (prefix == pref))
2211 ret->ns = ns;
2212 } else {
2213 xmlSAX2ErrMemory(ctxt, "xmlSAX2StartElementNs");
2214 return;
2215 }
2216#ifdef LIBXML_VALID_ENABLED
2217 if ((!ctxt->html) && ctxt->validate && ctxt->wellFormed &&
2218 ctxt->myDoc && ctxt->myDoc->intSubset) {
2219 ctxt->valid &= xmlValidateOneNamespace(&ctxt->vctxt, ctxt->myDoc,
2220 ret, prefix, ns, uri);
2221 }
2222#endif /* LIBXML_VALID_ENABLED */
2223 }
2224 ctxt->nodemem = -1;
2225
2226 /*
2227 * We are parsing a new node.
2228 */
2229 nodePush(ctxt, ret);
2230
2231 /*
2232 * Link the child element
2233 */
2234 if (parent != NULL) {
2235 if (parent->type == XML_ELEMENT_NODE) {
2236 xmlAddChild(parent, ret);
2237 } else {
2238 xmlAddSibling(parent, ret);
2239 }
2240 }
2241
2242 /*
2243 * Insert the defaulted attributes from the DTD only if requested:
2244 */
2245 if ((nb_defaulted != 0) &&
2246 ((ctxt->loadsubset & XML_COMPLETE_ATTRS) == 0))
2247 nb_attributes -= nb_defaulted;
2248
2249 /*
2250 * Search the namespace if it wasn't already found
2251 * Note that, if prefix is NULL, this searches for the default Ns
2252 */
2253 if ((URI != NULL) && (ret->ns == NULL)) {
2254 ret->ns = xmlSearchNs(ctxt->myDoc, parent, prefix);
2255 if ((ret->ns == NULL) && (xmlStrEqual(prefix, BAD_CAST "xml"))) {
2256 ret->ns = xmlSearchNs(ctxt->myDoc, ret, prefix);
2257 }
2258 if (ret->ns == NULL) {
2259 ns = xmlNewNs(ret, NULL, prefix);
2260 if (ns == NULL) {
2261
2262 xmlSAX2ErrMemory(ctxt, "xmlSAX2StartElementNs");
2263 return;
2264 }
2265 xmlNsWarnMsg(ctxt, XML_NS_ERR_UNDEFINED_NAMESPACE,
2266 "Namespace prefix %s was not found\n",
2267 prefix, NULL);
2268 }
2269 }
2270
2271 /*
2272 * process all the other attributes
2273 */
2274 if (nb_attributes > 0) {
2275 for (j = 0,i = 0;i < nb_attributes;i++,j+=5) {
2276 xmlSAX2AttributeNs(ctxt, attributes[j], attributes[j+1],
2277 attributes[j+3], attributes[j+4]);
2278 }
2279 }
2280
2281#ifdef LIBXML_VALID_ENABLED
2282 /*
2283 * If it's the Document root, finish the DTD validation and
2284 * check the document root element for validity
2285 */
2286 if ((ctxt->validate) && (ctxt->vctxt.finishDtd == XML_CTXT_FINISH_DTD_0)) {
2287 int chk;
2288
2289 chk = xmlValidateDtdFinal(&ctxt->vctxt, ctxt->myDoc);
2290 if (chk <= 0)
2291 ctxt->valid = 0;
2292 if (chk < 0)
2293 ctxt->wellFormed = 0;
2294 ctxt->valid &= xmlValidateRoot(&ctxt->vctxt, ctxt->myDoc);
2295 ctxt->vctxt.finishDtd = XML_CTXT_FINISH_DTD_1;
2296 }
2297#endif /* LIBXML_VALID_ENABLED */
2298}
2299
2300/**
2301 * xmlSAX2EndElementNs:
2302 * @ctx: the user data (XML parser context)
2303 * @localname: the local name of the element
2304 * @prefix: the element namespace prefix if available
2305 * @URI: the element namespace name if available
2306 *
2307 * SAX2 callback when an element end has been detected by the parser.
2308 * It provides the namespace informations for the element.
2309 */
2310void
2311xmlSAX2EndElementNs(void *ctx,
2312 const xmlChar * localname ATTRIBUTE_UNUSED,
2313 const xmlChar * prefix ATTRIBUTE_UNUSED,
2314 const xmlChar * URI ATTRIBUTE_UNUSED)
2315{
2316 xmlParserCtxtPtr ctxt = (xmlParserCtxtPtr) ctx;
2317 xmlParserNodeInfo node_info;
2318 xmlNodePtr cur;
2319
2320 if (ctx == NULL) return;
2321 cur = ctxt->node;
2322 /* Capture end position and add node */
2323 if ((ctxt->record_info) && (cur != NULL)) {
2324 node_info.end_pos = ctxt->input->cur - ctxt->input->base;
2325 node_info.end_line = ctxt->input->line;
2326 node_info.node = cur;
2327 xmlParserAddNodeInfo(ctxt, &node_info);
2328 }
2329 ctxt->nodemem = -1;
2330
2331#ifdef LIBXML_VALID_ENABLED
2332 if (ctxt->validate && ctxt->wellFormed &&
2333 ctxt->myDoc && ctxt->myDoc->intSubset)
2334 ctxt->valid &= xmlValidateOneElement(&ctxt->vctxt, ctxt->myDoc, cur);
2335#endif /* LIBXML_VALID_ENABLED */
2336
2337 /*
2338 * end of parsing of this node.
2339 */
2340 nodePop(ctxt);
2341}
2342
2343/**
2344 * xmlSAX2Reference:
2345 * @ctx: the user data (XML parser context)
2346 * @name: The entity name
2347 *
2348 * called when an entity xmlSAX2Reference is detected.
2349 */
2350void
2351xmlSAX2Reference(void *ctx, const xmlChar *name)
2352{
2353 xmlParserCtxtPtr ctxt = (xmlParserCtxtPtr) ctx;
2354 xmlNodePtr ret;
2355
2356 if (ctx == NULL) return;
2357#ifdef DEBUG_SAX
2358 xmlGenericError(xmlGenericErrorContext,
2359 "SAX.xmlSAX2Reference(%s)\n", name);
2360#endif
2361 if (name[0] == '#')
2362 ret = xmlNewCharRef(ctxt->myDoc, name);
2363 else
2364 ret = xmlNewReference(ctxt->myDoc, name);
2365#ifdef DEBUG_SAX_TREE
2366 xmlGenericError(xmlGenericErrorContext,
2367 "add xmlSAX2Reference %s to %s \n", name, ctxt->node->name);
2368#endif
2369 xmlAddChild(ctxt->node, ret);
2370}
2371
2372/**
2373 * xmlSAX2Characters:
2374 * @ctx: the user data (XML parser context)
2375 * @ch: a xmlChar string
2376 * @len: the number of xmlChar
2377 *
2378 * receiving some chars from the parser.
2379 */
2380void
2381xmlSAX2Characters(void *ctx, const xmlChar *ch, int len)
2382{
2383 xmlParserCtxtPtr ctxt = (xmlParserCtxtPtr) ctx;
2384 xmlNodePtr lastChild;
2385
2386 if (ctx == NULL) return;
2387#ifdef DEBUG_SAX
2388 xmlGenericError(xmlGenericErrorContext,
2389 "SAX.xmlSAX2Characters(%.30s, %d)\n", ch, len);
2390#endif
2391 /*
2392 * Handle the data if any. If there is no child
2393 * add it as content, otherwise if the last child is text,
2394 * concatenate it, else create a new node of type text.
2395 */
2396
2397 if (ctxt->node == NULL) {
2398#ifdef DEBUG_SAX_TREE
2399 xmlGenericError(xmlGenericErrorContext,
2400 "add chars: ctxt->node == NULL !\n");
2401#endif
2402 return;
2403 }
2404 lastChild = ctxt->node->last;
2405#ifdef DEBUG_SAX_TREE
2406 xmlGenericError(xmlGenericErrorContext,
2407 "add chars to %s \n", ctxt->node->name);
2408#endif
2409
2410 /*
2411 * Here we needed an accelerator mechanism in case of very large
2412 * elements. Use an attribute in the structure !!!
2413 */
2414 if (lastChild == NULL) {
2415 lastChild = xmlSAX2TextNode(ctxt, ch, len);
2416 if (lastChild != NULL) {
2417 ctxt->node->children = lastChild;
2418 ctxt->node->last = lastChild;
2419 lastChild->parent = ctxt->node;
2420 lastChild->doc = ctxt->node->doc;
2421 ctxt->nodelen = len;
2422 ctxt->nodemem = len + 1;
2423 } else {
2424 xmlSAX2ErrMemory(ctxt, "xmlSAX2Characters");
2425 return;
2426 }
2427 } else {
2428 int coalesceText = (lastChild != NULL) &&
2429 (lastChild->type == XML_TEXT_NODE) &&
2430 (lastChild->name == xmlStringText);
2431 if ((coalesceText) && (ctxt->nodemem != 0)) {
2432 /*
2433 * The whole point of maintaining nodelen and nodemem,
2434 * xmlTextConcat is too costly, i.e. compute length,
2435 * reallocate a new buffer, move data, append ch. Here
2436 * We try to minimaze realloc() uses and avoid copying
2437 * and recomputing length over and over.
2438 */
2439 if (lastChild->content == (xmlChar *)&(lastChild->properties)) {
2440 lastChild->content = xmlStrdup(lastChild->content);
2441 lastChild->properties = NULL;
2442 } else if ((ctxt->nodemem == ctxt->nodelen + 1) &&
2443 (xmlDictOwns(ctxt->dict, lastChild->content))) {
2444 lastChild->content = xmlStrdup(lastChild->content);
2445 }
2446 if (ctxt->nodelen + len >= ctxt->nodemem) {
2447 xmlChar *newbuf;
2448 int size;
2449
2450 size = ctxt->nodemem + len;
2451 size *= 2;
2452 newbuf = (xmlChar *) xmlRealloc(lastChild->content,size);
2453 if (newbuf == NULL) {
2454 xmlSAX2ErrMemory(ctxt, "xmlSAX2Characters");
2455 return;
2456 }
2457 ctxt->nodemem = size;
2458 lastChild->content = newbuf;
2459 }
2460 memcpy(&lastChild->content[ctxt->nodelen], ch, len);
2461 ctxt->nodelen += len;
2462 lastChild->content[ctxt->nodelen] = 0;
2463 } else if (coalesceText) {
2464 if (xmlTextConcat(lastChild, ch, len)) {
2465 xmlSAX2ErrMemory(ctxt, "xmlSAX2Characters");
2466 }
2467 if (ctxt->node->children != NULL) {
2468 ctxt->nodelen = xmlStrlen(lastChild->content);
2469 ctxt->nodemem = ctxt->nodelen + 1;
2470 }
2471 } else {
2472 /* Mixed content, first time */
2473 lastChild = xmlSAX2TextNode(ctxt, ch, len);
2474 if (lastChild != NULL) {
2475 xmlAddChild(ctxt->node, lastChild);
2476 if (ctxt->node->children != NULL) {
2477 ctxt->nodelen = len;
2478 ctxt->nodemem = len + 1;
2479 }
2480 }
2481 }
2482 }
2483}
2484
2485/**
2486 * xmlSAX2IgnorableWhitespace:
2487 * @ctx: the user data (XML parser context)
2488 * @ch: a xmlChar string
2489 * @len: the number of xmlChar
2490 *
2491 * receiving some ignorable whitespaces from the parser.
2492 * UNUSED: by default the DOM building will use xmlSAX2Characters
2493 */
2494void
2495xmlSAX2IgnorableWhitespace(void *ctx ATTRIBUTE_UNUSED, const xmlChar *ch ATTRIBUTE_UNUSED, int len ATTRIBUTE_UNUSED)
2496{
2497 /* xmlParserCtxtPtr ctxt = (xmlParserCtxtPtr) ctx; */
2498#ifdef DEBUG_SAX
2499 xmlGenericError(xmlGenericErrorContext,
2500 "SAX.xmlSAX2IgnorableWhitespace(%.30s, %d)\n", ch, len);
2501#endif
2502}
2503
2504/**
2505 * xmlSAX2ProcessingInstruction:
2506 * @ctx: the user data (XML parser context)
2507 * @target: the target name
2508 * @data: the PI data's
2509 *
2510 * A processing instruction has been parsed.
2511 */
2512void
2513xmlSAX2ProcessingInstruction(void *ctx, const xmlChar *target,
2514 const xmlChar *data)
2515{
2516 xmlParserCtxtPtr ctxt = (xmlParserCtxtPtr) ctx;
2517 xmlNodePtr ret;
2518 xmlNodePtr parent;
2519
2520 if (ctx == NULL) return;
2521 parent = ctxt->node;
2522#ifdef DEBUG_SAX
2523 xmlGenericError(xmlGenericErrorContext,
2524 "SAX.xmlSAX2ProcessingInstruction(%s, %s)\n", target, data);
2525#endif
2526
2527 ret = xmlNewDocPI(ctxt->myDoc, target, data);
2528 if (ret == NULL) return;
2529 parent = ctxt->node;
2530
2531 if (ctxt->linenumbers) {
2532 if (ctxt->input != NULL) {
2533 if (ctxt->input->line < 65535)
2534 ret->line = (short) ctxt->input->line;
2535 else
2536 ret->line = 65535;
2537 }
2538 }
2539 if (ctxt->inSubset == 1) {
2540 xmlAddChild((xmlNodePtr) ctxt->myDoc->intSubset, ret);
2541 return;
2542 } else if (ctxt->inSubset == 2) {
2543 xmlAddChild((xmlNodePtr) ctxt->myDoc->extSubset, ret);
2544 return;
2545 }
2546 if ((ctxt->myDoc->children == NULL) || (parent == NULL)) {
2547#ifdef DEBUG_SAX_TREE
2548 xmlGenericError(xmlGenericErrorContext,
2549 "Setting PI %s as root\n", target);
2550#endif
2551 xmlAddChild((xmlNodePtr) ctxt->myDoc, (xmlNodePtr) ret);
2552 return;
2553 }
2554 if (parent->type == XML_ELEMENT_NODE) {
2555#ifdef DEBUG_SAX_TREE
2556 xmlGenericError(xmlGenericErrorContext,
2557 "adding PI %s child to %s\n", target, parent->name);
2558#endif
2559 xmlAddChild(parent, ret);
2560 } else {
2561#ifdef DEBUG_SAX_TREE
2562 xmlGenericError(xmlGenericErrorContext,
2563 "adding PI %s sibling to ", target);
2564 xmlDebugDumpOneNode(stderr, parent, 0);
2565#endif
2566 xmlAddSibling(parent, ret);
2567 }
2568}
2569
2570/**
2571 * xmlSAX2Comment:
2572 * @ctx: the user data (XML parser context)
2573 * @value: the xmlSAX2Comment content
2574 *
2575 * A xmlSAX2Comment has been parsed.
2576 */
2577void
2578xmlSAX2Comment(void *ctx, const xmlChar *value)
2579{
2580 xmlParserCtxtPtr ctxt = (xmlParserCtxtPtr) ctx;
2581 xmlNodePtr ret;
2582 xmlNodePtr parent;
2583
2584 if (ctx == NULL) return;
2585 parent = ctxt->node;
2586#ifdef DEBUG_SAX
2587 xmlGenericError(xmlGenericErrorContext, "SAX.xmlSAX2Comment(%s)\n", value);
2588#endif
2589 ret = xmlNewDocComment(ctxt->myDoc, value);
2590 if (ret == NULL) return;
2591 if (ctxt->linenumbers) {
2592 if (ctxt->input != NULL) {
2593 if (ctxt->input->line < 65535)
2594 ret->line = (short) ctxt->input->line;
2595 else
2596 ret->line = 65535;
2597 }
2598 }
2599
2600 if (ctxt->inSubset == 1) {
2601 xmlAddChild((xmlNodePtr) ctxt->myDoc->intSubset, ret);
2602 return;
2603 } else if (ctxt->inSubset == 2) {
2604 xmlAddChild((xmlNodePtr) ctxt->myDoc->extSubset, ret);
2605 return;
2606 }
2607 if ((ctxt->myDoc->children == NULL) || (parent == NULL)) {
2608#ifdef DEBUG_SAX_TREE
2609 xmlGenericError(xmlGenericErrorContext,
2610 "Setting xmlSAX2Comment as root\n");
2611#endif
2612 xmlAddChild((xmlNodePtr) ctxt->myDoc, (xmlNodePtr) ret);
2613 return;
2614 }
2615 if (parent->type == XML_ELEMENT_NODE) {
2616#ifdef DEBUG_SAX_TREE
2617 xmlGenericError(xmlGenericErrorContext,
2618 "adding xmlSAX2Comment child to %s\n", parent->name);
2619#endif
2620 xmlAddChild(parent, ret);
2621 } else {
2622#ifdef DEBUG_SAX_TREE
2623 xmlGenericError(xmlGenericErrorContext,
2624 "adding xmlSAX2Comment sibling to ");
2625 xmlDebugDumpOneNode(stderr, parent, 0);
2626#endif
2627 xmlAddSibling(parent, ret);
2628 }
2629}
2630
2631/**
2632 * xmlSAX2CDataBlock:
2633 * @ctx: the user data (XML parser context)
2634 * @value: The pcdata content
2635 * @len: the block length
2636 *
2637 * called when a pcdata block has been parsed
2638 */
2639void
2640xmlSAX2CDataBlock(void *ctx, const xmlChar *value, int len)
2641{
2642 xmlParserCtxtPtr ctxt = (xmlParserCtxtPtr) ctx;
2643 xmlNodePtr ret, lastChild;
2644
2645 if (ctx == NULL) return;
2646#ifdef DEBUG_SAX
2647 xmlGenericError(xmlGenericErrorContext,
2648 "SAX.pcdata(%.10s, %d)\n", value, len);
2649#endif
2650 lastChild = xmlGetLastChild(ctxt->node);
2651#ifdef DEBUG_SAX_TREE
2652 xmlGenericError(xmlGenericErrorContext,
2653 "add chars to %s \n", ctxt->node->name);
2654#endif
2655 if ((lastChild != NULL) &&
2656 (lastChild->type == XML_CDATA_SECTION_NODE)) {
2657 xmlTextConcat(lastChild, value, len);
2658 } else {
2659 ret = xmlNewCDataBlock(ctxt->myDoc, value, len);
2660 xmlAddChild(ctxt->node, ret);
2661 }
2662}
2663
2664static int xmlSAX2DefaultVersionValue = 2;
2665
2666#ifdef LIBXML_SAX1_ENABLED
2667/**
2668 * xmlSAXDefaultVersion:
2669 * @version: the version, 1 or 2
2670 *
2671 * Set the default version of SAX used globally by the library.
2672 * By default, during initialization the default is set to 2.
2673 * Note that it is generally a better coding style to use
2674 * xmlSAXVersion() to set up the version explicitly for a given
2675 * parsing context.
2676 *
2677 * Returns the previous value in case of success and -1 in case of error.
2678 */
2679int
2680xmlSAXDefaultVersion(int version)
2681{
2682 int ret = xmlSAX2DefaultVersionValue;
2683
2684 if ((version != 1) && (version != 2))
2685 return(-1);
2686 xmlSAX2DefaultVersionValue = version;
2687 return(ret);
2688}
2689#endif /* LIBXML_SAX1_ENABLED */
2690
2691/**
2692 * xmlSAXVersion:
2693 * @hdlr: the SAX handler
2694 * @version: the version, 1 or 2
2695 *
2696 * Initialize the default XML SAX handler according to the version
2697 *
2698 * Returns 0 in case of success and -1 in case of error.
2699 */
2700int
2701xmlSAXVersion(xmlSAXHandler *hdlr, int version)
2702{
2703 if (hdlr == NULL) return(-1);
2704 if (version == 2) {
2705 hdlr->startElement = NULL;
2706 hdlr->endElement = NULL;
2707 hdlr->startElementNs = xmlSAX2StartElementNs;
2708 hdlr->endElementNs = xmlSAX2EndElementNs;
2709 hdlr->serror = NULL;
2710 hdlr->initialized = XML_SAX2_MAGIC;
2711#ifdef LIBXML_SAX1_ENABLED
2712 } else if (version == 1) {
2713 hdlr->startElement = xmlSAX2StartElement;
2714 hdlr->endElement = xmlSAX2EndElement;
2715 hdlr->initialized = 1;
2716#endif /* LIBXML_SAX1_ENABLED */
2717 } else
2718 return(-1);
2719 hdlr->internalSubset = xmlSAX2InternalSubset;
2720 hdlr->externalSubset = xmlSAX2ExternalSubset;
2721 hdlr->isStandalone = xmlSAX2IsStandalone;
2722 hdlr->hasInternalSubset = xmlSAX2HasInternalSubset;
2723 hdlr->hasExternalSubset = xmlSAX2HasExternalSubset;
2724 hdlr->resolveEntity = xmlSAX2ResolveEntity;
2725 hdlr->getEntity = xmlSAX2GetEntity;
2726 hdlr->getParameterEntity = xmlSAX2GetParameterEntity;
2727 hdlr->entityDecl = xmlSAX2EntityDecl;
2728 hdlr->attributeDecl = xmlSAX2AttributeDecl;
2729 hdlr->elementDecl = xmlSAX2ElementDecl;
2730 hdlr->notationDecl = xmlSAX2NotationDecl;
2731 hdlr->unparsedEntityDecl = xmlSAX2UnparsedEntityDecl;
2732 hdlr->setDocumentLocator = xmlSAX2SetDocumentLocator;
2733 hdlr->startDocument = xmlSAX2StartDocument;
2734 hdlr->endDocument = xmlSAX2EndDocument;
2735 hdlr->reference = xmlSAX2Reference;
2736 hdlr->characters = xmlSAX2Characters;
2737 hdlr->cdataBlock = xmlSAX2CDataBlock;
2738 hdlr->ignorableWhitespace = xmlSAX2Characters;
2739 hdlr->processingInstruction = xmlSAX2ProcessingInstruction;
2740 hdlr->comment = xmlSAX2Comment;
2741 hdlr->warning = xmlParserWarning;
2742 hdlr->error = xmlParserError;
2743 hdlr->fatalError = xmlParserError;
2744
2745 return(0);
2746}
2747
2748/**
2749 * xmlSAX2InitDefaultSAXHandler:
2750 * @hdlr: the SAX handler
2751 * @warning: flag if non-zero sets the handler warning procedure
2752 *
2753 * Initialize the default XML SAX2 handler
2754 */
2755void
2756xmlSAX2InitDefaultSAXHandler(xmlSAXHandler *hdlr, int warning)
2757{
2758 if ((hdlr == NULL) || (hdlr->initialized != 0))
2759 return;
2760
2761 xmlSAXVersion(hdlr, xmlSAX2DefaultVersionValue);
2762 if (warning == 0)
2763 hdlr->warning = NULL;
2764 else
2765 hdlr->warning = xmlParserWarning;
2766}
2767
2768/**
2769 * xmlDefaultSAXHandlerInit:
2770 *
2771 * Initialize the default SAX2 handler
2772 */
2773void
2774xmlDefaultSAXHandlerInit(void)
2775{
2776#ifdef LIBXML_SAX1_ENABLED
2777 xmlSAXVersion((xmlSAXHandlerPtr) &xmlDefaultSAXHandler, 1);
2778#endif /* LIBXML_SAX1_ENABLED */
2779}
2780
2781#ifdef LIBXML_HTML_ENABLED
2782
2783/**
2784 * xmlSAX2InitHtmlDefaultSAXHandler:
2785 * @hdlr: the SAX handler
2786 *
2787 * Initialize the default HTML SAX2 handler
2788 */
2789void
2790xmlSAX2InitHtmlDefaultSAXHandler(xmlSAXHandler *hdlr)
2791{
2792 if ((hdlr == NULL) || (hdlr->initialized != 0))
2793 return;
2794
2795 hdlr->internalSubset = xmlSAX2InternalSubset;
2796 hdlr->externalSubset = NULL;
2797 hdlr->isStandalone = NULL;
2798 hdlr->hasInternalSubset = NULL;
2799 hdlr->hasExternalSubset = NULL;
2800 hdlr->resolveEntity = NULL;
2801 hdlr->getEntity = xmlSAX2GetEntity;
2802 hdlr->getParameterEntity = NULL;
2803 hdlr->entityDecl = NULL;
2804 hdlr->attributeDecl = NULL;
2805 hdlr->elementDecl = NULL;
2806 hdlr->notationDecl = NULL;
2807 hdlr->unparsedEntityDecl = NULL;
2808 hdlr->setDocumentLocator = xmlSAX2SetDocumentLocator;
2809 hdlr->startDocument = xmlSAX2StartDocument;
2810 hdlr->endDocument = xmlSAX2EndDocument;
2811 hdlr->startElement = xmlSAX2StartElement;
2812 hdlr->endElement = xmlSAX2EndElement;
2813 hdlr->reference = NULL;
2814 hdlr->characters = xmlSAX2Characters;
2815 hdlr->cdataBlock = xmlSAX2CDataBlock;
2816 hdlr->ignorableWhitespace = xmlSAX2IgnorableWhitespace;
2817 hdlr->processingInstruction = xmlSAX2ProcessingInstruction;
2818 hdlr->comment = xmlSAX2Comment;
2819 hdlr->warning = xmlParserWarning;
2820 hdlr->error = xmlParserError;
2821 hdlr->fatalError = xmlParserError;
2822
2823 hdlr->initialized = 1;
2824}
2825
2826/**
2827 * htmlDefaultSAXHandlerInit:
2828 *
2829 * Initialize the default SAX handler
2830 */
2831void
2832htmlDefaultSAXHandlerInit(void)
2833{
2834 xmlSAX2InitHtmlDefaultSAXHandler((xmlSAXHandlerPtr) &htmlDefaultSAXHandler);
2835}
2836
2837#endif /* LIBXML_HTML_ENABLED */
2838
2839#ifdef LIBXML_DOCB_ENABLED
2840
2841/**
2842 * xmlSAX2InitDocbDefaultSAXHandler:
2843 * @hdlr: the SAX handler
2844 *
2845 * Initialize the default DocBook SAX2 handler
2846 */
2847void
2848xmlSAX2InitDocbDefaultSAXHandler(xmlSAXHandler *hdlr)
2849{
2850 if ((hdlr == NULL) || (hdlr->initialized != 0))
2851 return;
2852
2853 hdlr->internalSubset = xmlSAX2InternalSubset;
2854 hdlr->externalSubset = NULL;
2855 hdlr->isStandalone = xmlSAX2IsStandalone;
2856 hdlr->hasInternalSubset = xmlSAX2HasInternalSubset;
2857 hdlr->hasExternalSubset = xmlSAX2HasExternalSubset;
2858 hdlr->resolveEntity = xmlSAX2ResolveEntity;
2859 hdlr->getEntity = xmlSAX2GetEntity;
2860 hdlr->getParameterEntity = NULL;
2861 hdlr->entityDecl = xmlSAX2EntityDecl;
2862 hdlr->attributeDecl = NULL;
2863 hdlr->elementDecl = NULL;
2864 hdlr->notationDecl = NULL;
2865 hdlr->unparsedEntityDecl = NULL;
2866 hdlr->setDocumentLocator = xmlSAX2SetDocumentLocator;
2867 hdlr->startDocument = xmlSAX2StartDocument;
2868 hdlr->endDocument = xmlSAX2EndDocument;
2869 hdlr->startElement = xmlSAX2StartElement;
2870 hdlr->endElement = xmlSAX2EndElement;
2871 hdlr->reference = xmlSAX2Reference;
2872 hdlr->characters = xmlSAX2Characters;
2873 hdlr->cdataBlock = NULL;
2874 hdlr->ignorableWhitespace = xmlSAX2IgnorableWhitespace;
2875 hdlr->processingInstruction = NULL;
2876 hdlr->comment = xmlSAX2Comment;
2877 hdlr->warning = xmlParserWarning;
2878 hdlr->error = xmlParserError;
2879 hdlr->fatalError = xmlParserError;
2880
2881 hdlr->initialized = 1;
2882}
2883
2884/**
2885 * docbDefaultSAXHandlerInit:
2886 *
2887 * Initialize the default SAX handler
2888 */
2889void
2890docbDefaultSAXHandlerInit(void)
2891{
2892 xmlSAX2InitDocbDefaultSAXHandler((xmlSAXHandlerPtr) &docbDefaultSAXHandler);
2893}
2894
2895#endif /* LIBXML_DOCB_ENABLED */
2896#define bottom_SAX2
2897#include "elfgcchack.h"
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