SAX2.c@ 105770

Last change on this file since 105770 was 105420, checked in by vboxsync, 4 months ago
libxml2-2.12.6: Applied and adjusted our libxml2 changes to 2.12.6. bugref:10730
Property svn:eol-style set to `native`
File size: 76.7 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 <limits.h>
15	#include <stddef.h>
16	#include <libxml/SAX2.h>
17	#include <libxml/xmlmemory.h>
18	#include <libxml/tree.h>
19	#include <libxml/parser.h>
20	#include <libxml/parserInternals.h>
21	#include <libxml/valid.h>
22	#include <libxml/entities.h>
23	#include <libxml/xmlerror.h>
24	#include <libxml/debugXML.h>
25	#include <libxml/xmlIO.h>
26	#include <libxml/uri.h>
27	#include <libxml/valid.h>
28	#include <libxml/HTMLtree.h>
29
30	#include "private/error.h"
31	#include "private/parser.h"
32	#include "private/tree.h"
33
34	#define XML_MAX_URI_LENGTH 2000
35
36	/*
37	* xmlSAX2ErrMemory:
38	* @ctxt: an XML validation parser context
39	* @msg: a string to accompany the error message
40	*/
41	static void
42	xmlSAX2ErrMemory(xmlParserCtxtPtr ctxt) {
43	xmlCtxtErrMemory(ctxt);
44	}
45
46	/**
47	* xmlValidError:
48	* @ctxt: an XML validation parser context
49	* @error: the error number
50	* @msg: the error message
51	* @str1: extra data
52	* @str2: extra data
53	*
54	* Handle a validation error
55	*/
56	static void LIBXML_ATTR_FORMAT(3,0)
57	xmlErrValid(xmlParserCtxtPtr ctxt, xmlParserErrors error,
58	const char msg, const xmlChar str1, const xmlChar *str2)
59	{
60	xmlCtxtErr(ctxt, NULL, XML_FROM_DTD, error, XML_ERR_ERROR,
61	str1, str2, NULL, 0, msg, str1, str2);
62	if (ctxt != NULL)
63	ctxt->valid = 0;
64	}
65
66	/**
67	* xmlFatalErrMsg:
68	* @ctxt: an XML parser context
69	* @error: the error number
70	* @msg: the error message
71	* @str1: an error string
72	* @str2: an error string
73	*
74	* Handle a fatal parser error, i.e. violating Well-Formedness constraints
75	*/
76	static void LIBXML_ATTR_FORMAT(3,0)
77	xmlFatalErrMsg(xmlParserCtxtPtr ctxt, xmlParserErrors error,
78	const char msg, const xmlChar str1, const xmlChar *str2)
79	{
80	xmlCtxtErr(ctxt, NULL, XML_FROM_PARSER, error, XML_ERR_FATAL,
81	str1, str2, NULL, 0, msg, str1, str2);
82	}
83
84	/**
85	* xmlWarnMsg:
86	* @ctxt: an XML parser context
87	* @error: the error number
88	* @msg: the error message
89	* @str1: an error string
90	* @str2: an error string
91	*
92	* Handle a parser warning
93	*/
94	static void LIBXML_ATTR_FORMAT(3,0)
95	xmlWarnMsg(xmlParserCtxtPtr ctxt, xmlParserErrors error,
96	const char msg, const xmlChar str1)
97	{
98	xmlCtxtErr(ctxt, NULL, XML_FROM_PARSER, error, XML_ERR_WARNING,
99	str1, NULL, NULL, 0, msg, str1);
100	}
101
102	/**
103	* xmlNsWarnMsg:
104	* @ctxt: an XML parser context
105	* @error: the error number
106	* @msg: the error message
107	* @str1: an error string
108	*
109	* Handle a namespace warning
110	*/
111	static void LIBXML_ATTR_FORMAT(3,0)
112	xmlNsWarnMsg(xmlParserCtxtPtr ctxt, xmlParserErrors error,
113	const char msg, const xmlChar str1, const xmlChar *str2)
114	{
115	xmlCtxtErr(ctxt, NULL, XML_FROM_NAMESPACE, error, XML_ERR_WARNING,
116	str1, str2, NULL, 0, msg, str1, str2);
117	}
118
119	/**
120	* xmlSAX2GetPublicId:
121	* @ctx: the user data (XML parser context)
122	*
123	* Provides the public ID e.g. "-//SGMLSOURCE//DTD DEMO//EN"
124	*
125	* Returns a xmlChar *
126	*/
127	const xmlChar *
128	xmlSAX2GetPublicId(void *ctx ATTRIBUTE_UNUSED)
129	{
130	/* xmlParserCtxtPtr ctxt = (xmlParserCtxtPtr) ctx; */
131	return(NULL);
132	}
133
134	/**
135	* xmlSAX2GetSystemId:
136	* @ctx: the user data (XML parser context)
137	*
138	* Provides the system ID, basically URL or filename e.g.
139	* http://www.sgmlsource.com/dtds/memo.dtd
140	*
141	* Returns a xmlChar *
142	*/
143	const xmlChar *
144	xmlSAX2GetSystemId(void *ctx)
145	{
146	xmlParserCtxtPtr ctxt = (xmlParserCtxtPtr) ctx;
147	if ((ctx == NULL) \|\| (ctxt->input == NULL)) return(NULL);
148	return((const xmlChar *) ctxt->input->filename);
149	}
150
151	/**
152	* xmlSAX2GetLineNumber:
153	* @ctx: the user data (XML parser context)
154	*
155	* Provide the line number of the current parsing point.
156	*
157	* Returns an int
158	*/
159	int
160	xmlSAX2GetLineNumber(void *ctx)
161	{
162	xmlParserCtxtPtr ctxt = (xmlParserCtxtPtr) ctx;
163	if ((ctx == NULL) \|\| (ctxt->input == NULL)) return(0);
164	return(ctxt->input->line);
165	}
166
167	/**
168	* xmlSAX2GetColumnNumber:
169	* @ctx: the user data (XML parser context)
170	*
171	* Provide the column number of the current parsing point.
172	*
173	* Returns an int
174	*/
175	int
176	xmlSAX2GetColumnNumber(void *ctx)
177	{
178	xmlParserCtxtPtr ctxt = (xmlParserCtxtPtr) ctx;
179	if ((ctx == NULL) \|\| (ctxt->input == NULL)) return(0);
180	return(ctxt->input->col);
181	}
182
183	/**
184	* xmlSAX2IsStandalone:
185	* @ctx: the user data (XML parser context)
186	*
187	* Is this document tagged standalone ?
188	*
189	* Returns 1 if true
190	*/
191	int
192	xmlSAX2IsStandalone(void *ctx)
193	{
194	xmlParserCtxtPtr ctxt = (xmlParserCtxtPtr) ctx;
195	if ((ctx == NULL) \|\| (ctxt->myDoc == NULL)) return(0);
196	return(ctxt->myDoc->standalone == 1);
197	}
198
199	/**
200	* xmlSAX2HasInternalSubset:
201	* @ctx: the user data (XML parser context)
202	*
203	* Does this document has an internal subset
204	*
205	* Returns 1 if true
206	*/
207	int
208	xmlSAX2HasInternalSubset(void *ctx)
209	{
210	xmlParserCtxtPtr ctxt = (xmlParserCtxtPtr) ctx;
211	if ((ctxt == NULL) \|\| (ctxt->myDoc == NULL)) return(0);
212	return(ctxt->myDoc->intSubset != NULL);
213	}
214
215	/**
216	* xmlSAX2HasExternalSubset:
217	* @ctx: the user data (XML parser context)
218	*
219	* Does this document has an external subset
220	*
221	* Returns 1 if true
222	*/
223	int
224	xmlSAX2HasExternalSubset(void *ctx)
225	{
226	xmlParserCtxtPtr ctxt = (xmlParserCtxtPtr) ctx;
227	if ((ctxt == NULL) \|\| (ctxt->myDoc == NULL)) return(0);
228	return(ctxt->myDoc->extSubset != NULL);
229	}
230
231	/**
232	* xmlSAX2InternalSubset:
233	* @ctx: the user data (XML parser context)
234	* @name: the root element name
235	* @ExternalID: the external ID
236	* @SystemID: the SYSTEM ID (e.g. filename or URL)
237	*
238	* Callback on internal subset declaration.
239	*/
240	void
241	xmlSAX2InternalSubset(void ctx, const xmlChar name,
242	const xmlChar ExternalID, const xmlChar SystemID)
243	{
244	xmlParserCtxtPtr ctxt = (xmlParserCtxtPtr) ctx;
245	xmlDtdPtr dtd;
246	if (ctx == NULL) return;
247
248	if (ctxt->myDoc == NULL)
249	return;
250	dtd = xmlGetIntSubset(ctxt->myDoc);
251	if (dtd != NULL) {
252	if (ctxt->html)
253	return;
254	xmlUnlinkNode((xmlNodePtr) dtd);
255	xmlFreeDtd(dtd);
256	ctxt->myDoc->intSubset = NULL;
257	}
258	ctxt->myDoc->intSubset =
259	xmlCreateIntSubset(ctxt->myDoc, name, ExternalID, SystemID);
260	if (ctxt->myDoc->intSubset == NULL)
261	xmlSAX2ErrMemory(ctxt);
262	}
263
264	/**
265	* xmlSAX2ExternalSubset:
266	* @ctx: the user data (XML parser context)
267	* @name: the root element name
268	* @ExternalID: the external ID
269	* @SystemID: the SYSTEM ID (e.g. filename or URL)
270	*
271	* Callback on external subset declaration.
272	*/
273	void
274	xmlSAX2ExternalSubset(void ctx, const xmlChar name,
275	const xmlChar ExternalID, const xmlChar SystemID)
276	{
277	xmlParserCtxtPtr ctxt = (xmlParserCtxtPtr) ctx;
278	if (ctx == NULL) return;
279	if ((SystemID != NULL) &&
280	((ctxt->options & XML_PARSE_NO_XXE) == 0) &&
281	(((ctxt->validate) \|\| (ctxt->loadsubset)) &&
282	(ctxt->wellFormed && ctxt->myDoc))) {
283	/*
284	* Try to fetch and parse the external subset.
285	*/
286	xmlParserInputPtr oldinput;
287	int oldinputNr;
288	int oldinputMax;
289	xmlParserInputPtr *oldinputTab;
290	xmlParserInputPtr input = NULL;
291	const xmlChar *oldencoding;
292	unsigned long consumed;
293	size_t buffered;
294
295	/*
296	* Ask the Entity resolver to load the damn thing
297	*/
298	if ((ctxt->sax != NULL) && (ctxt->sax->resolveEntity != NULL))
299	input = ctxt->sax->resolveEntity(ctxt->userData, ExternalID,
300	SystemID);
301	if (input == NULL) {
302	return;
303	}
304
305	if (xmlNewDtd(ctxt->myDoc, name, ExternalID, SystemID) == NULL) {
306	xmlSAX2ErrMemory(ctxt);
307	xmlFreeInputStream(input);
308	return;
309	}
310
311	/*
312	* make sure we won't destroy the main document context
313	*/
314	oldinput = ctxt->input;
315	oldinputNr = ctxt->inputNr;
316	oldinputMax = ctxt->inputMax;
317	oldinputTab = ctxt->inputTab;
318	oldencoding = ctxt->encoding;
319	ctxt->encoding = NULL;
320
321	ctxt->inputTab = (xmlParserInputPtr *)
322	xmlMalloc(5 * sizeof(xmlParserInputPtr));
323	if (ctxt->inputTab == NULL) {
324	xmlSAX2ErrMemory(ctxt);
325	xmlFreeInputStream(input);
326	ctxt->input = oldinput;
327	ctxt->inputNr = oldinputNr;
328	ctxt->inputMax = oldinputMax;
329	ctxt->inputTab = oldinputTab;
330	ctxt->encoding = oldencoding;
331	return;
332	}
333	ctxt->inputNr = 0;
334	ctxt->inputMax = 5;
335	ctxt->input = NULL;
336	xmlPushInput(ctxt, input);
337
338	if (input->filename == NULL)
339	input->filename = (char *) xmlCanonicPath(SystemID);
340	input->line = 1;
341	input->col = 1;
342	input->base = ctxt->input->cur;
343	input->cur = ctxt->input->cur;
344	input->free = NULL;
345
346	/*
347	* let's parse that entity knowing it's an external subset.
348	*/
349	xmlParseExternalSubset(ctxt, ExternalID, SystemID);
350
351	/*
352	* Free up the external entities
353	*/
354
355	while (ctxt->inputNr > 1)
356	xmlPopInput(ctxt);
357
358	consumed = ctxt->input->consumed;
359	buffered = ctxt->input->cur - ctxt->input->base;
360	if (buffered > ULONG_MAX - consumed)
361	consumed = ULONG_MAX;
362	else
363	consumed += buffered;
364	if (consumed > ULONG_MAX - ctxt->sizeentities)
365	ctxt->sizeentities = ULONG_MAX;
366	else
367	ctxt->sizeentities += consumed;
368
369	xmlFreeInputStream(ctxt->input);
370	xmlFree(ctxt->inputTab);
371
372	/*
373	* Restore the parsing context of the main entity
374	*/
375	ctxt->input = oldinput;
376	ctxt->inputNr = oldinputNr;
377	ctxt->inputMax = oldinputMax;
378	ctxt->inputTab = oldinputTab;
379	if ((ctxt->encoding != NULL) &&
380	((ctxt->dict == NULL) \|\|
381	(!xmlDictOwns(ctxt->dict, ctxt->encoding))))
382	xmlFree((xmlChar *) ctxt->encoding);
383	ctxt->encoding = oldencoding;
384	/* ctxt->wellFormed = oldwellFormed; */
385	}
386	}
387
388	/**
389	* xmlSAX2ResolveEntity:
390	* @ctx: the user data (XML parser context)
391	* @publicId: The public ID of the entity
392	* @systemId: The system ID of the entity
393	*
394	* The entity loader, to control the loading of external entities,
395	* the application can either:
396	* - override this xmlSAX2ResolveEntity() callback in the SAX block
397	* - or better use the xmlSetExternalEntityLoader() function to
398	* set up it's own entity resolution routine
399	*
400	* Returns the xmlParserInputPtr if inlined or NULL for DOM behaviour.
401	*/
402	xmlParserInputPtr
403	xmlSAX2ResolveEntity(void ctx, const xmlChar publicId, const xmlChar *systemId)
404	{
405	xmlParserCtxtPtr ctxt = (xmlParserCtxtPtr) ctx;
406	xmlParserInputPtr ret = NULL;
407	xmlChar *URI;
408	const xmlChar *base = NULL;
409	int res;
410
411	if (ctx == NULL) return(NULL);
412	if (ctxt->input != NULL)
413	base = BAD_CAST ctxt->input->filename;
414
415	/*
416	* We don't really need the 'directory' struct member, but some
417	* users set it manually to a base URI for memory streams.
418	*/
419	if (base == NULL)
420	base = BAD_CAST ctxt->directory;
421
422	if ((xmlStrlen(systemId) > XML_MAX_URI_LENGTH) \|\|
423	(xmlStrlen(base) > XML_MAX_URI_LENGTH)) {
424	xmlFatalErr(ctxt, XML_ERR_RESOURCE_LIMIT, "URI too long");
425	return(NULL);
426	}
427	res = xmlBuildURISafe(systemId, base, &URI);
428	if (URI == NULL) {
429	if (res < 0)
430	xmlSAX2ErrMemory(ctxt);
431	else
432	xmlWarnMsg(ctxt, XML_ERR_INVALID_URI,
433	"Can't resolve URI: %s\n", systemId);
434	return(NULL);
435	}
436	if (xmlStrlen(URI) > XML_MAX_URI_LENGTH) {
437	xmlFatalErr(ctxt, XML_ERR_RESOURCE_LIMIT, "URI too long");
438	} else {
439	ret = xmlLoadExternalEntity((const char *) URI,
440	(const char *) publicId, ctxt);
441	}
442
443	xmlFree(URI);
444	return(ret);
445	}
446
447	/**
448	* xmlSAX2GetEntity:
449	* @ctx: the user data (XML parser context)
450	* @name: The entity name
451	*
452	* Get an entity by name
453	*
454	* Returns the xmlEntityPtr if found.
455	*/
456	xmlEntityPtr
457	xmlSAX2GetEntity(void ctx, const xmlChar name)
458	{
459	xmlParserCtxtPtr ctxt = (xmlParserCtxtPtr) ctx;
460	xmlEntityPtr ret = NULL;
461
462	if (ctx == NULL) return(NULL);
463
464	if (ctxt->inSubset == 0) {
465	ret = xmlGetPredefinedEntity(name);
466	if (ret != NULL)
467	return(ret);
468	}
469	if ((ctxt->myDoc != NULL) && (ctxt->myDoc->standalone == 1)) {
470	if (ctxt->inSubset == 2) {
471	ctxt->myDoc->standalone = 0;
472	ret = xmlGetDocEntity(ctxt->myDoc, name);
473	ctxt->myDoc->standalone = 1;
474	} else {
475	ret = xmlGetDocEntity(ctxt->myDoc, name);
476	if (ret == NULL) {
477	ctxt->myDoc->standalone = 0;
478	ret = xmlGetDocEntity(ctxt->myDoc, name);
479	if (ret != NULL) {
480	xmlFatalErrMsg(ctxt, XML_ERR_NOT_STANDALONE,
481	"Entity(%s) document marked standalone but requires external subset\n",
482	name, NULL);
483	}
484	ctxt->myDoc->standalone = 1;
485	}
486	}
487	} else {
488	ret = xmlGetDocEntity(ctxt->myDoc, name);
489	}
490	return(ret);
491	}
492
493	/**
494	* xmlSAX2GetParameterEntity:
495	* @ctx: the user data (XML parser context)
496	* @name: The entity name
497	*
498	* Get a parameter entity by name
499	*
500	* Returns the xmlEntityPtr if found.
501	*/
502	xmlEntityPtr
503	xmlSAX2GetParameterEntity(void ctx, const xmlChar name)
504	{
505	xmlParserCtxtPtr ctxt = (xmlParserCtxtPtr) ctx;
506	xmlEntityPtr ret;
507
508	if (ctx == NULL) return(NULL);
509
510	ret = xmlGetParameterEntity(ctxt->myDoc, name);
511	return(ret);
512	}
513
514
515	/**
516	* xmlSAX2EntityDecl:
517	* @ctx: the user data (XML parser context)
518	* @name: the entity name
519	* @type: the entity type
520	* @publicId: The public ID of the entity
521	* @systemId: The system ID of the entity
522	* @content: the entity value (without processing).
523	*
524	* An entity definition has been parsed
525	*/
526	void
527	xmlSAX2EntityDecl(void ctx, const xmlChar name, int type,
528	const xmlChar publicId, const xmlChar systemId, xmlChar *content)
529	{
530	xmlEntityPtr ent;
531	xmlParserCtxtPtr ctxt = (xmlParserCtxtPtr) ctx;
532	int extSubset;
533	int res;
534
535	if ((ctxt == NULL) \|\| (ctxt->myDoc == NULL))
536	return;
537
538	extSubset = ctxt->inSubset == 2;
539	res = xmlAddEntity(ctxt->myDoc, extSubset, name, type, publicId, systemId,
540	content, &ent);
541	switch (res) {
542	case XML_ERR_OK:
543	break;
544	case XML_ERR_NO_MEMORY:
545	xmlSAX2ErrMemory(ctxt);
546	return;
547	case XML_WAR_ENTITY_REDEFINED:
548	if (ctxt->pedantic) {
549	if (extSubset)
550	xmlWarnMsg(ctxt, res, "Entity(%s) already defined in the"
551	" external subset\n", name);
552	else
553	xmlWarnMsg(ctxt, res, "Entity(%s) already defined in the"
554	" internal subset\n", name);
555	}
556	return;
557	case XML_ERR_REDECL_PREDEF_ENTITY:
558	/*
559	* Technically an error but it's a common mistake to get double
560	* escaping according to "4.6 Predefined Entities" wrong.
561	*/
562	xmlWarnMsg(ctxt, res, "Invalid redeclaration of predefined"
563	" entity '%s'", name);
564	return;
565	default:
566	xmlFatalErrMsg(ctxt, XML_ERR_INTERNAL_ERROR,
567	"Unexpected error code from xmlAddEntity\n",
568	NULL, NULL);
569	return;
570	}
571
572	if ((ent->URI == NULL) && (systemId != NULL)) {
573	xmlChar *URI;
574	const char *base = NULL;
575	int i;
576
577	for (i = ctxt->inputNr - 1; i >= 0; i--) {
578	if (ctxt->inputTab[i]->filename != NULL) {
579	base = ctxt->inputTab[i]->filename;
580	break;
581	}
582	}
583
584	/*
585	* We don't really need the 'directory' struct member, but some
586	* users set it manually to a base URI for memory streams.
587	*/
588	if (base == NULL)
589	base = ctxt->directory;
590
591	res = xmlBuildURISafe(systemId, (const xmlChar *) base, &URI);
592
593	if (URI == NULL) {
594	if (res < 0) {
595	xmlSAX2ErrMemory(ctxt);
596	} else {
597	xmlWarnMsg(ctxt, XML_ERR_INVALID_URI,
598	"Can't resolve URI: %s\n", systemId);
599	}
600	} else if (xmlStrlen(URI) > XML_MAX_URI_LENGTH) {
601	xmlFatalErr(ctxt, XML_ERR_RESOURCE_LIMIT, "URI too long");
602	xmlFree(URI);
603	} else {
604	ent->URI = URI;
605	}
606	}
607	}
608
609	/**
610	* xmlSAX2AttributeDecl:
611	* @ctx: the user data (XML parser context)
612	* @elem: the name of the element
613	* @fullname: the attribute name
614	* @type: the attribute type
615	* @def: the type of default value
616	* @defaultValue: the attribute default value
617	* @tree: the tree of enumerated value set
618	*
619	* An attribute definition has been parsed
620	*/
621	void
622	xmlSAX2AttributeDecl(void ctx, const xmlChar elem, const xmlChar *fullname,
623	int type, int def, const xmlChar *defaultValue,
624	xmlEnumerationPtr tree)
625	{
626	xmlParserCtxtPtr ctxt = (xmlParserCtxtPtr) ctx;
627	xmlAttributePtr attr;
628	xmlChar name = NULL, prefix = NULL;
629
630	/* Avoid unused variable warning if features are disabled. */
631	(void) attr;
632
633	if ((ctxt == NULL) \|\| (ctxt->myDoc == NULL))
634	return;
635
636	if ((xmlStrEqual(fullname, BAD_CAST "xml:id")) &&
637	(type != XML_ATTRIBUTE_ID)) {
638	/*
639	* Raise the error but keep the validity flag
640	*/
641	int tmp = ctxt->valid;
642	xmlErrValid(ctxt, XML_DTD_XMLID_TYPE,
643	"xml:id : attribute type should be ID\n", NULL, NULL);
644	ctxt->valid = tmp;
645	}
646	/* TODO: optimize name/prefix allocation */
647	name = xmlSplitQName(ctxt, fullname, &prefix);
648	if (name == NULL)
649	xmlSAX2ErrMemory(ctxt);
650	ctxt->vctxt.valid = 1;
651	if (ctxt->inSubset == 1)
652	attr = xmlAddAttributeDecl(&ctxt->vctxt, ctxt->myDoc->intSubset, elem,
653	name, prefix, (xmlAttributeType) type,
654	(xmlAttributeDefault) def, defaultValue, tree);
655	else if (ctxt->inSubset == 2)
656	attr = xmlAddAttributeDecl(&ctxt->vctxt, ctxt->myDoc->extSubset, elem,
657	name, prefix, (xmlAttributeType) type,
658	(xmlAttributeDefault) def, defaultValue, tree);
659	else {
660	xmlFatalErrMsg(ctxt, XML_ERR_INTERNAL_ERROR,
661	"SAX.xmlSAX2AttributeDecl(%s) called while not in subset\n",
662	name, NULL);
663	xmlFree(name);
664	xmlFree(prefix);
665	xmlFreeEnumeration(tree);
666	return;
667	}
668	#ifdef LIBXML_VALID_ENABLED
669	if (ctxt->vctxt.valid == 0)
670	ctxt->valid = 0;
671	if ((attr != NULL) && (ctxt->validate) && (ctxt->wellFormed) &&
672	(ctxt->myDoc->intSubset != NULL))
673	ctxt->valid &= xmlValidateAttributeDecl(&ctxt->vctxt, ctxt->myDoc,
674	attr);
675	#endif /* LIBXML_VALID_ENABLED */
676	if (prefix != NULL)
677	xmlFree(prefix);
678	if (name != NULL)
679	xmlFree(name);
680	}
681
682	/**
683	* xmlSAX2ElementDecl:
684	* @ctx: the user data (XML parser context)
685	* @name: the element name
686	* @type: the element type
687	* @content: the element value tree
688	*
689	* An element definition has been parsed
690	*/
691	void
692	xmlSAX2ElementDecl(void ctx, const xmlChar name, int type,
693	xmlElementContentPtr content)
694	{
695	xmlParserCtxtPtr ctxt = (xmlParserCtxtPtr) ctx;
696	xmlElementPtr elem = NULL;
697
698	/* Avoid unused variable warning if features are disabled. */
699	(void) elem;
700
701	if ((ctxt == NULL) \|\| (ctxt->myDoc == NULL))
702	return;
703
704	if (ctxt->inSubset == 1)
705	elem = xmlAddElementDecl(&ctxt->vctxt, ctxt->myDoc->intSubset,
706	name, (xmlElementTypeVal) type, content);
707	else if (ctxt->inSubset == 2)
708	elem = xmlAddElementDecl(&ctxt->vctxt, ctxt->myDoc->extSubset,
709	name, (xmlElementTypeVal) type, content);
710	else {
711	xmlFatalErrMsg(ctxt, XML_ERR_INTERNAL_ERROR,
712	"SAX.xmlSAX2ElementDecl(%s) called while not in subset\n",
713	name, NULL);
714	return;
715	}
716	#ifdef LIBXML_VALID_ENABLED
717	if (elem == NULL)
718	ctxt->valid = 0;
719	if (ctxt->validate && ctxt->wellFormed &&
720	ctxt->myDoc && ctxt->myDoc->intSubset)
721	ctxt->valid &=
722	xmlValidateElementDecl(&ctxt->vctxt, ctxt->myDoc, elem);
723	#endif /* LIBXML_VALID_ENABLED */
724	}
725
726	/**
727	* xmlSAX2NotationDecl:
728	* @ctx: the user data (XML parser context)
729	* @name: The name of the notation
730	* @publicId: The public ID of the entity
731	* @systemId: The system ID of the entity
732	*
733	* What to do when a notation declaration has been parsed.
734	*/
735	void
736	xmlSAX2NotationDecl(void ctx, const xmlChar name,
737	const xmlChar publicId, const xmlChar systemId)
738	{
739	xmlParserCtxtPtr ctxt = (xmlParserCtxtPtr) ctx;
740	xmlNotationPtr nota = NULL;
741
742	/* Avoid unused variable warning if features are disabled. */
743	(void) nota;
744
745	if ((ctxt == NULL) \|\| (ctxt->myDoc == NULL))
746	return;
747
748	if ((publicId == NULL) && (systemId == NULL)) {
749	xmlFatalErrMsg(ctxt, XML_ERR_NOTATION_PROCESSING,
750	"SAX.xmlSAX2NotationDecl(%s) externalID or PublicID missing\n",
751	name, NULL);
752	return;
753	} else if (ctxt->inSubset == 1)
754	nota = xmlAddNotationDecl(&ctxt->vctxt, ctxt->myDoc->intSubset, name,
755	publicId, systemId);
756	else if (ctxt->inSubset == 2)
757	nota = xmlAddNotationDecl(&ctxt->vctxt, ctxt->myDoc->extSubset, name,
758	publicId, systemId);
759	else {
760	xmlFatalErrMsg(ctxt, XML_ERR_NOTATION_PROCESSING,
761	"SAX.xmlSAX2NotationDecl(%s) called while not in subset\n",
762	name, NULL);
763	return;
764	}
765	#ifdef LIBXML_VALID_ENABLED
766	if (nota == NULL) ctxt->valid = 0;
767	if ((ctxt->validate) && (ctxt->wellFormed) &&
768	(ctxt->myDoc->intSubset != NULL))
769	ctxt->valid &= xmlValidateNotationDecl(&ctxt->vctxt, ctxt->myDoc,
770	nota);
771	#endif /* LIBXML_VALID_ENABLED */
772	}
773
774	/**
775	* xmlSAX2UnparsedEntityDecl:
776	* @ctx: the user data (XML parser context)
777	* @name: The name of the entity
778	* @publicId: The public ID of the entity
779	* @systemId: The system ID of the entity
780	* @notationName: the name of the notation
781	*
782	* What to do when an unparsed entity declaration is parsed
783	*/
784	void
785	xmlSAX2UnparsedEntityDecl(void ctx, const xmlChar name,
786	const xmlChar publicId, const xmlChar systemId,
787	const xmlChar *notationName)
788	{
789	xmlSAX2EntityDecl(ctx, name, XML_EXTERNAL_GENERAL_UNPARSED_ENTITY,
790	publicId, systemId, (xmlChar *) notationName);
791	}
792
793	/**
794	* xmlSAX2SetDocumentLocator:
795	* @ctx: the user data (XML parser context)
796	* @loc: A SAX Locator
797	*
798	* Receive the document locator at startup, actually xmlDefaultSAXLocator
799	* Everything is available on the context, so this is useless in our case.
800	*/
801	void
802	xmlSAX2SetDocumentLocator(void *ctx ATTRIBUTE_UNUSED, xmlSAXLocatorPtr loc ATTRIBUTE_UNUSED)
803	{
804	}
805
806	/**
807	* xmlSAX2StartDocument:
808	* @ctx: the user data (XML parser context)
809	*
810	* called when the document start being processed.
811	*/
812	void
813	xmlSAX2StartDocument(void *ctx)
814	{
815	xmlParserCtxtPtr ctxt = (xmlParserCtxtPtr) ctx;
816	xmlDocPtr doc;
817
818	if (ctx == NULL) return;
819
820	#ifdef LIBXML_HTML_ENABLED
821	if (ctxt->html) {
822	if (ctxt->myDoc == NULL)
823	ctxt->myDoc = htmlNewDocNoDtD(NULL, NULL);
824	if (ctxt->myDoc == NULL) {
825	xmlSAX2ErrMemory(ctxt);
826	return;
827	}
828	ctxt->myDoc->properties = XML_DOC_HTML;
829	ctxt->myDoc->parseFlags = ctxt->options;
830	} else
831	#endif
832	{
833	doc = ctxt->myDoc = xmlNewDoc(ctxt->version);
834	if (doc != NULL) {
835	doc->properties = 0;
836	if (ctxt->options & XML_PARSE_OLD10)
837	doc->properties \|= XML_DOC_OLD10;
838	doc->parseFlags = ctxt->options;
839	doc->standalone = ctxt->standalone;
840	} else {
841	xmlSAX2ErrMemory(ctxt);
842	return;
843	}
844	if ((ctxt->dictNames) && (doc != NULL)) {
845	doc->dict = ctxt->dict;
846	xmlDictReference(doc->dict);
847	}
848	}
849	if ((ctxt->myDoc != NULL) && (ctxt->myDoc->URL == NULL) &&
850	(ctxt->input != NULL) && (ctxt->input->filename != NULL)) {
851	ctxt->myDoc->URL = xmlPathToURI((const xmlChar *)ctxt->input->filename);
852	if (ctxt->myDoc->URL == NULL)
853	xmlSAX2ErrMemory(ctxt);
854	}
855	}
856
857	/**
858	* xmlSAX2EndDocument:
859	* @ctx: the user data (XML parser context)
860	*
861	* called when the document end has been detected.
862	*/
863	void
864	xmlSAX2EndDocument(void *ctx)
865	{
866	xmlParserCtxtPtr ctxt = (xmlParserCtxtPtr) ctx;
867	xmlDocPtr doc;
868
869	if (ctx == NULL) return;
870	#ifdef LIBXML_VALID_ENABLED
871	if (ctxt->validate && ctxt->wellFormed &&
872	ctxt->myDoc && ctxt->myDoc->intSubset)
873	ctxt->valid &= xmlValidateDocumentFinal(&ctxt->vctxt, ctxt->myDoc);
874	#endif /* LIBXML_VALID_ENABLED */
875
876	doc = ctxt->myDoc;
877	if ((doc != NULL) && (doc->encoding == NULL)) {
878	const xmlChar *encoding = xmlGetActualEncoding(ctxt);
879
880	if (encoding != NULL) {
881	doc->encoding = xmlStrdup(encoding);
882	if (doc->encoding == NULL)
883	xmlSAX2ErrMemory(ctxt);
884	}
885	}
886	}
887
888	static void
889	xmlSAX2AppendChild(xmlParserCtxtPtr ctxt, xmlNodePtr node) {
890	xmlNodePtr parent;
891	xmlNodePtr last;
892
893	if (ctxt->inSubset == 1) {
894	parent = (xmlNodePtr) ctxt->myDoc->intSubset;
895	} else if (ctxt->inSubset == 2) {
896	parent = (xmlNodePtr) ctxt->myDoc->extSubset;
897	} else {
898	parent = ctxt->node;
899	if (parent == NULL)
900	parent = (xmlNodePtr) ctxt->myDoc;
901	}
902
903	last = parent->last;
904	if (last == NULL) {
905	parent->children = node;
906	} else {
907	last->next = node;
908	node->prev = last;
909	}
910
911	parent->last = node;
912	node->parent = parent;
913
914	if ((node->type != XML_TEXT_NODE) &&
915	(ctxt->linenumbers) &&
916	(ctxt->input != NULL)) {
917	if ((unsigned) ctxt->input->line < (unsigned) USHRT_MAX)
918	node->line = ctxt->input->line;
919	else
920	node->line = USHRT_MAX;
921	}
922	}
923
924	#if defined(LIBXML_SAX1_ENABLED) \|\| defined(LIBXML_HTML_ENABLED) \|\| defined(LIBXML_WRITER_ENABLED) \|\| defined(LIBXML_LEGACY_ENABLED)
925	/**
926	* xmlNsErrMsg:
927	* @ctxt: an XML parser context
928	* @error: the error number
929	* @msg: the error message
930	* @str1: an error string
931	* @str2: an error string
932	*
933	* Handle a namespace error
934	*/
935	static void LIBXML_ATTR_FORMAT(3,0)
936	xmlNsErrMsg(xmlParserCtxtPtr ctxt, xmlParserErrors error,
937	const char msg, const xmlChar str1, const xmlChar *str2)
938	{
939	xmlCtxtErr(ctxt, NULL, XML_FROM_NAMESPACE, error, XML_ERR_ERROR,
940	str1, str2, NULL, 0, msg, str1, str2);
941	}
942
943	/**
944	* xmlSAX2AttributeInternal:
945	* @ctx: the user data (XML parser context)
946	* @fullname: The attribute name, including namespace prefix
947	* @value: The attribute value
948	* @prefix: the prefix on the element node
949	*
950	* Handle an attribute that has been read by the parser.
951	* The default handling is to convert the attribute into an
952	* DOM subtree and past it in a new xmlAttr element added to
953	* the element.
954	*/
955	static void
956	xmlSAX2AttributeInternal(void ctx, const xmlChar fullname,
957	const xmlChar value, const xmlChar prefix ATTRIBUTE_UNUSED)
958	{
959	xmlParserCtxtPtr ctxt = (xmlParserCtxtPtr) ctx;
960	xmlAttrPtr ret;
961	xmlChar *name;
962	xmlChar *ns;
963	xmlChar *nval;
964	xmlNsPtr namespace;
965
966	if (ctxt->html) {
967	name = xmlStrdup(fullname);
968	ns = NULL;
969	namespace = NULL;
970	} else {
971	/*
972	* Split the full name into a namespace prefix and the tag name
973	*/
974	name = xmlSplitQName(ctxt, fullname, &ns);
975	if ((name != NULL) && (name[0] == 0)) {
976	if (xmlStrEqual(ns, BAD_CAST "xmlns")) {
977	xmlNsErrMsg(ctxt, XML_ERR_NS_DECL_ERROR,
978	"invalid namespace declaration '%s'\n",
979	fullname, NULL);
980	} else {
981	xmlNsWarnMsg(ctxt, XML_WAR_NS_COLUMN,
982	"Avoid attribute ending with ':' like '%s'\n",
983	fullname, NULL);
984	}
985	if (ns != NULL)
986	xmlFree(ns);
987	ns = NULL;
988	xmlFree(name);
989	name = xmlStrdup(fullname);
990	}
991	}
992	if (name == NULL) {
993	xmlSAX2ErrMemory(ctxt);
994	if (ns != NULL)
995	xmlFree(ns);
996	return;
997	}
998
999	#ifdef LIBXML_HTML_ENABLED
1000	if ((ctxt->html) &&
1001	(value == NULL) && (htmlIsBooleanAttr(fullname))) {
1002	nval = xmlStrdup(fullname);
1003	if (nval == NULL)
1004	xmlSAX2ErrMemory(ctxt);
1005	value = (const xmlChar *) nval;
1006	} else
1007	#endif
1008	{
1009	#ifdef LIBXML_VALID_ENABLED
1010	/*
1011	* Do the last stage of the attribute normalization
1012	* Needed for HTML too:
1013	* http://www.w3.org/TR/html4/types.html#h-6.2
1014	*/
1015	ctxt->vctxt.valid = 1;
1016	nval = xmlValidCtxtNormalizeAttributeValue(&ctxt->vctxt,
1017	ctxt->myDoc, ctxt->node,
1018	fullname, value);
1019	if (ctxt->vctxt.valid != 1) {
1020	ctxt->valid = 0;
1021	}
1022	if (nval != NULL)
1023	value = nval;
1024	#else
1025	nval = NULL;
1026	#endif /* LIBXML_VALID_ENABLED */
1027	}
1028
1029	/*
1030	* Check whether it's a namespace definition
1031	*/
1032	if ((!ctxt->html) && (ns == NULL) &&
1033	(name[0] == 'x') && (name[1] == 'm') && (name[2] == 'l') &&
1034	(name[3] == 'n') && (name[4] == 's') && (name[5] == 0)) {
1035	xmlNsPtr nsret;
1036	xmlChar *val;
1037
1038	/* Avoid unused variable warning if features are disabled. */
1039	(void) nsret;
1040
1041	if (!ctxt->replaceEntities) {
1042	/* TODO: normalize if needed */
1043	val = xmlExpandEntitiesInAttValue(ctxt, value, /* normalize */ 0);
1044	if (val == NULL) {
1045	xmlSAX2ErrMemory(ctxt);
1046	if (name != NULL)
1047	xmlFree(name);
1048	if (nval != NULL)
1049	xmlFree(nval);
1050	return;
1051	}
1052	} else {
1053	val = (xmlChar *) value;
1054	}
1055
1056	if (val[0] != 0) {
1057	xmlURIPtr uri;
1058
1059	if (xmlParseURISafe((const char *)val, &uri) < 0)
1060	xmlSAX2ErrMemory(ctxt);
1061	if (uri == NULL) {
1062	xmlNsWarnMsg(ctxt, XML_WAR_NS_URI,
1063	"xmlns:%s: %s not a valid URI\n", name, value);
1064	} else {
1065	if (uri->scheme == NULL) {
1066	xmlNsWarnMsg(ctxt, XML_WAR_NS_URI_RELATIVE,
1067	"xmlns:%s: URI %s is not absolute\n",
1068	name, value);
1069	}
1070	xmlFreeURI(uri);
1071	}
1072	}
1073
1074	/* a default namespace definition */
1075	nsret = xmlNewNs(ctxt->node, val, NULL);
1076	if (nsret == NULL) {
1077	xmlSAX2ErrMemory(ctxt);
1078	}
1079	#ifdef LIBXML_VALID_ENABLED
1080	/*
1081	* Validate also for namespace decls, they are attributes from
1082	* an XML-1.0 perspective
1083	*/
1084	else if (ctxt->validate && ctxt->wellFormed &&
1085	ctxt->myDoc && ctxt->myDoc->intSubset) {
1086	ctxt->valid &= xmlValidateOneNamespace(&ctxt->vctxt, ctxt->myDoc,
1087	ctxt->node, prefix, nsret, val);
1088	}
1089	#endif /* LIBXML_VALID_ENABLED */
1090	if (name != NULL)
1091	xmlFree(name);
1092	if (nval != NULL)
1093	xmlFree(nval);
1094	if (val != value)
1095	xmlFree(val);
1096	return;
1097	}
1098	if ((!ctxt->html) &&
1099	(ns != NULL) && (ns[0] == 'x') && (ns[1] == 'm') && (ns[2] == 'l') &&
1100	(ns[3] == 'n') && (ns[4] == 's') && (ns[5] == 0)) {
1101	xmlNsPtr nsret;
1102	xmlChar *val;
1103
1104	/* Avoid unused variable warning if features are disabled. */
1105	(void) nsret;
1106
1107	if (!ctxt->replaceEntities) {
1108	/* TODO: normalize if needed */
1109	val = xmlExpandEntitiesInAttValue(ctxt, value, /* normalize */ 0);
1110	if (val == NULL) {
1111	xmlSAX2ErrMemory(ctxt);
1112	xmlFree(ns);
1113	if (name != NULL)
1114	xmlFree(name);
1115	if (nval != NULL)
1116	xmlFree(nval);
1117	return;
1118	}
1119	} else {
1120	val = (xmlChar *) value;
1121	}
1122
1123	if (val[0] == 0) {
1124	xmlNsErrMsg(ctxt, XML_NS_ERR_EMPTY,
1125	"Empty namespace name for prefix %s\n", name, NULL);
1126	}
1127	if ((ctxt->pedantic != 0) && (val[0] != 0)) {
1128	xmlURIPtr uri;
1129
1130	if (xmlParseURISafe((const char *)val, &uri) < 0)
1131	xmlSAX2ErrMemory(ctxt);
1132	if (uri == NULL) {
1133	xmlNsWarnMsg(ctxt, XML_WAR_NS_URI,
1134	"xmlns:%s: %s not a valid URI\n", name, value);
1135	} else {
1136	if (uri->scheme == NULL) {
1137	xmlNsWarnMsg(ctxt, XML_WAR_NS_URI_RELATIVE,
1138	"xmlns:%s: URI %s is not absolute\n", name, value);
1139	}
1140	xmlFreeURI(uri);
1141	}
1142	}
1143
1144	/* a standard namespace definition */
1145	nsret = xmlNewNs(ctxt->node, val, name);
1146	xmlFree(ns);
1147
1148	if (nsret == NULL) {
1149	xmlSAX2ErrMemory(ctxt);
1150	}
1151	#ifdef LIBXML_VALID_ENABLED
1152	/*
1153	* Validate also for namespace decls, they are attributes from
1154	* an XML-1.0 perspective
1155	*/
1156	else if (ctxt->validate && ctxt->wellFormed &&
1157	ctxt->myDoc && ctxt->myDoc->intSubset) {
1158	ctxt->valid &= xmlValidateOneNamespace(&ctxt->vctxt, ctxt->myDoc,
1159	ctxt->node, prefix, nsret, value);
1160	}
1161	#endif /* LIBXML_VALID_ENABLED */
1162	if (name != NULL)
1163	xmlFree(name);
1164	if (nval != NULL)
1165	xmlFree(nval);
1166	if (val != value)
1167	xmlFree(val);
1168	return;
1169	}
1170
1171	if (ns != NULL) {
1172	int res;
1173
1174	res = xmlSearchNsSafe(ctxt->node, ns, &namespace);
1175	if (res < 0)
1176	xmlSAX2ErrMemory(ctxt);
1177
1178	if (namespace == NULL) {
1179	xmlNsErrMsg(ctxt, XML_NS_ERR_UNDEFINED_NAMESPACE,
1180	"Namespace prefix %s of attribute %s is not defined\n",
1181	ns, name);
1182	} else {
1183	xmlAttrPtr prop;
1184
1185	prop = ctxt->node->properties;
1186	while (prop != NULL) {
1187	if (prop->ns != NULL) {
1188	if ((xmlStrEqual(name, prop->name)) &&
1189	((namespace == prop->ns) \|\|
1190	(xmlStrEqual(namespace->href, prop->ns->href)))) {
1191	xmlCtxtErr(ctxt, NULL, XML_FROM_PARSER,
1192	XML_ERR_ATTRIBUTE_REDEFINED, XML_ERR_FATAL,
1193	name, NULL, NULL, 0,
1194	"Attribute %s in %s redefined\n",
1195	name, namespace->href);
1196	if (name != NULL)
1197	xmlFree(name);
1198	goto error;
1199	}
1200	}
1201	prop = prop->next;
1202	}
1203	}
1204	} else {
1205	namespace = NULL;
1206	}
1207
1208	/* !!!!!! <a toto:arg="" xmlns:toto="http://toto.com"> */
1209	ret = xmlNewNsPropEatName(ctxt->node, namespace, name, NULL);
1210	if (ret == NULL) {
1211	xmlSAX2ErrMemory(ctxt);
1212	goto error;
1213	}
1214
1215	if ((ctxt->replaceEntities == 0) && (!ctxt->html)) {
1216	if (xmlNodeParseContent((xmlNodePtr) ret, value, INT_MAX) < 0)
1217	xmlSAX2ErrMemory(ctxt);
1218	} else if (value != NULL) {
1219	ret->children = xmlNewDocText(ctxt->myDoc, value);
1220	if (ret->children == NULL) {
1221	xmlSAX2ErrMemory(ctxt);
1222	} else {
1223	ret->last = ret->children;
1224	ret->children->parent = (xmlNodePtr) ret;
1225	}
1226	}
1227
1228	#ifdef LIBXML_VALID_ENABLED
1229	if ((!ctxt->html) && ctxt->validate && ctxt->wellFormed &&
1230	ctxt->myDoc && ctxt->myDoc->intSubset) {
1231
1232	/*
1233	* If we don't substitute entities, the validation should be
1234	* done on a value with replaced entities anyway.
1235	*/
1236	if (!ctxt->replaceEntities) {
1237	xmlChar *val;
1238
1239	/* TODO: normalize if needed */
1240	val = xmlExpandEntitiesInAttValue(ctxt, value, /* normalize */ 0);
1241
1242	if (val == NULL)
1243	ctxt->valid &= xmlValidateOneAttribute(&ctxt->vctxt,
1244	ctxt->myDoc, ctxt->node, ret, value);
1245	else {
1246	xmlChar *nvalnorm;
1247
1248	/*
1249	* Do the last stage of the attribute normalization
1250	* It need to be done twice ... it's an extra burden related
1251	* to the ability to keep xmlSAX2References in attributes
1252	*/
1253	nvalnorm = xmlValidCtxtNormalizeAttributeValue(
1254	&ctxt->vctxt, ctxt->myDoc,
1255	ctxt->node, fullname, val);
1256	if (nvalnorm != NULL) {
1257	xmlFree(val);
1258	val = nvalnorm;
1259	}
1260
1261	ctxt->valid &= xmlValidateOneAttribute(&ctxt->vctxt,
1262	ctxt->myDoc, ctxt->node, ret, val);
1263	xmlFree(val);
1264	}
1265	} else {
1266	ctxt->valid &= xmlValidateOneAttribute(&ctxt->vctxt, ctxt->myDoc,
1267	ctxt->node, ret, value);
1268	}
1269	} else
1270	#endif /* LIBXML_VALID_ENABLED */
1271	if (((ctxt->loadsubset & XML_SKIP_IDS) == 0) &&
1272	(ctxt->input->entity == NULL) &&
1273	/* Don't create IDs containing entity references */
1274	(ret->children != NULL) &&
1275	(ret->children->type == XML_TEXT_NODE) &&
1276	(ret->children->next == NULL)) {
1277	xmlChar *content = ret->children->content;
1278	/*
1279	* when validating, the ID registration is done at the attribute
1280	* validation level. Otherwise we have to do specific handling here.
1281	*/
1282	if (xmlStrEqual(fullname, BAD_CAST "xml:id")) {
1283	/*
1284	* Add the xml:id value
1285	*
1286	* Open issue: normalization of the value.
1287	*/
1288	if (xmlValidateNCName(content, 1) != 0) {
1289	xmlErrValid(ctxt, XML_DTD_XMLID_VALUE,
1290	"xml:id : attribute value %s is not an NCName\n",
1291	content, NULL);
1292	}
1293	xmlAddID(&ctxt->vctxt, ctxt->myDoc, content, ret);
1294	} else {
1295	int res = xmlIsID(ctxt->myDoc, ctxt->node, ret);
1296
1297	if (res < 0)
1298	xmlCtxtErrMemory(ctxt);
1299	else if (res > 0)
1300	xmlAddID(&ctxt->vctxt, ctxt->myDoc, content, ret);
1301	else if (xmlIsRef(ctxt->myDoc, ctxt->node, ret))
1302	xmlAddRef(&ctxt->vctxt, ctxt->myDoc, content, ret);
1303	}
1304	}
1305
1306	error:
1307	if (nval != NULL)
1308	xmlFree(nval);
1309	if (ns != NULL)
1310	xmlFree(ns);
1311	}
1312
1313	/*
1314	* xmlCheckDefaultedAttributes:
1315	*
1316	* Check defaulted attributes from the DTD
1317	*/
1318	static void
1319	xmlCheckDefaultedAttributes(xmlParserCtxtPtr ctxt, const xmlChar *name,
1320	const xmlChar prefix, const xmlChar *atts) {
1321	xmlElementPtr elemDecl;
1322	const xmlChar *att;
1323	int internal = 1;
1324	int i;
1325
1326	elemDecl = xmlGetDtdQElementDesc(ctxt->myDoc->intSubset, name, prefix);
1327	if (elemDecl == NULL) {
1328	elemDecl = xmlGetDtdQElementDesc(ctxt->myDoc->extSubset, name, prefix);
1329	internal = 0;
1330	}
1331
1332	process_external_subset:
1333
1334	if (elemDecl != NULL) {
1335	xmlAttributePtr attr = elemDecl->attributes;
1336	/*
1337	* Check against defaulted attributes from the external subset
1338	* if the document is stamped as standalone
1339	*/
1340	if ((ctxt->myDoc->standalone == 1) &&
1341	(ctxt->myDoc->extSubset != NULL) &&
1342	(ctxt->validate)) {
1343	while (attr != NULL) {
1344	if ((attr->defaultValue != NULL) &&
1345	(xmlGetDtdQAttrDesc(ctxt->myDoc->extSubset,
1346	attr->elem, attr->name,
1347	attr->prefix) == attr) &&
1348	(xmlGetDtdQAttrDesc(ctxt->myDoc->intSubset,
1349	attr->elem, attr->name,
1350	attr->prefix) == NULL)) {
1351	xmlChar *fulln;
1352
1353	if (attr->prefix != NULL) {
1354	fulln = xmlStrdup(attr->prefix);
1355	if (fulln != NULL)
1356	fulln = xmlStrcat(fulln, BAD_CAST ":");
1357	if (fulln != NULL)
1358	fulln = xmlStrcat(fulln, attr->name);
1359	} else {
1360	fulln = xmlStrdup(attr->name);
1361	}
1362	if (fulln == NULL) {
1363	xmlSAX2ErrMemory(ctxt);
1364	break;
1365	}
1366
1367	/*
1368	* Check that the attribute is not declared in the
1369	* serialization
1370	*/
1371	att = NULL;
1372	if (atts != NULL) {
1373	i = 0;
1374	att = atts[i];
1375	while (att != NULL) {
1376	if (xmlStrEqual(att, fulln))
1377	break;
1378	i += 2;
1379	att = atts[i];
1380	}
1381	}
1382	if (att == NULL) {
1383	xmlErrValid(ctxt, XML_DTD_STANDALONE_DEFAULTED,
1384	"standalone: attribute %s on %s defaulted from external subset\n",
1385	fulln,
1386	attr->elem);
1387	}
1388	xmlFree(fulln);
1389	}
1390	attr = attr->nexth;
1391	}
1392	}
1393
1394	/*
1395	* Actually insert defaulted values when needed
1396	*/
1397	attr = elemDecl->attributes;
1398	while (attr != NULL) {
1399	/*
1400	* Make sure that attributes redefinition occurring in the
1401	* internal subset are not overridden by definitions in the
1402	* external subset.
1403	*/
1404	if (attr->defaultValue != NULL) {
1405	/*
1406	* the element should be instantiated in the tree if:
1407	* - this is a namespace prefix
1408	* - the user required for completion in the tree
1409	* like XSLT
1410	* - there isn't already an attribute definition
1411	* in the internal subset overriding it.
1412	*/
1413	if (((attr->prefix != NULL) &&
1414	(xmlStrEqual(attr->prefix, BAD_CAST "xmlns"))) \|\|
1415	((attr->prefix == NULL) &&
1416	(xmlStrEqual(attr->name, BAD_CAST "xmlns"))) \|\|
1417	(ctxt->loadsubset & XML_COMPLETE_ATTRS)) {
1418	xmlAttributePtr tst;
1419
1420	tst = xmlGetDtdQAttrDesc(ctxt->myDoc->intSubset,
1421	attr->elem, attr->name,
1422	attr->prefix);
1423	if ((tst == attr) \|\| (tst == NULL)) {
1424	xmlChar fn[50];
1425	xmlChar *fulln;
1426
1427	fulln = xmlBuildQName(attr->name, attr->prefix, fn, 50);
1428	if (fulln == NULL) {
1429	xmlSAX2ErrMemory(ctxt);
1430	return;
1431	}
1432
1433	/*
1434	* Check that the attribute is not declared in the
1435	* serialization
1436	*/
1437	att = NULL;
1438	if (atts != NULL) {
1439	i = 0;
1440	att = atts[i];
1441	while (att != NULL) {
1442	if (xmlStrEqual(att, fulln))
1443	break;
1444	i += 2;
1445	att = atts[i];
1446	}
1447	}
1448	if (att == NULL) {
1449	xmlSAX2AttributeInternal(ctxt, fulln,
1450	attr->defaultValue, prefix);
1451	}
1452	if ((fulln != fn) && (fulln != attr->name))
1453	xmlFree(fulln);
1454	}
1455	}
1456	}
1457	attr = attr->nexth;
1458	}
1459	if (internal == 1) {
1460	elemDecl = xmlGetDtdQElementDesc(ctxt->myDoc->extSubset,
1461	name, prefix);
1462	internal = 0;
1463	goto process_external_subset;
1464	}
1465	}
1466	}
1467
1468	/**
1469	* xmlSAX2StartElement:
1470	* @ctx: the user data (XML parser context)
1471	* @fullname: The element name, including namespace prefix
1472	* @atts: An array of name/value attributes pairs, NULL terminated
1473	*
1474	* called when an opening tag has been processed.
1475	*/
1476	void
1477	xmlSAX2StartElement(void ctx, const xmlChar fullname, const xmlChar **atts)
1478	{
1479	xmlParserCtxtPtr ctxt = (xmlParserCtxtPtr) ctx;
1480	xmlNodePtr ret;
1481	xmlNodePtr parent;
1482	xmlNsPtr ns;
1483	xmlChar *name;
1484	xmlChar *prefix;
1485	const xmlChar *att;
1486	const xmlChar *value;
1487	int i;
1488
1489	if ((ctx == NULL) \|\| (fullname == NULL) \|\| (ctxt->myDoc == NULL)) return;
1490
1491	/*
1492	* First check on validity:
1493	*/
1494	if (ctxt->validate && (ctxt->myDoc->extSubset == NULL) &&
1495	((ctxt->myDoc->intSubset == NULL) \|\|
1496	((ctxt->myDoc->intSubset->notations == NULL) &&
1497	(ctxt->myDoc->intSubset->elements == NULL) &&
1498	(ctxt->myDoc->intSubset->attributes == NULL) &&
1499	(ctxt->myDoc->intSubset->entities == NULL)))) {
1500	xmlErrValid(ctxt, XML_ERR_NO_DTD,
1501	"Validation failed: no DTD found !", NULL, NULL);
1502	ctxt->validate = 0;
1503	}
1504
1505	if (ctxt->html) {
1506	prefix = NULL;
1507	name = xmlStrdup(fullname);
1508	} else {
1509	/*
1510	* Split the full name into a namespace prefix and the tag name
1511	*/
1512	name = xmlSplitQName(ctxt, fullname, &prefix);
1513	if (name == NULL) {
1514	xmlSAX2ErrMemory(ctxt);
1515	return;
1516	}
1517	}
1518
1519	/*
1520	* Note : the namespace resolution is deferred until the end of the
1521	* attributes parsing, since local namespace can be defined as
1522	* an attribute at this level.
1523	*/
1524	ret = xmlNewDocNodeEatName(ctxt->myDoc, NULL, name, NULL);
1525	if (ret == NULL) {
1526	xmlFree(prefix);
1527	xmlSAX2ErrMemory(ctxt);
1528	return;
1529	}
1530	ctxt->nodemem = -1;
1531
1532	/* Initialize parent before pushing node */
1533	parent = ctxt->node;
1534	if (parent == NULL)
1535	parent = (xmlNodePtr) ctxt->myDoc;
1536
1537	/*
1538	* Link the child element
1539	*/
1540	xmlSAX2AppendChild(ctxt, ret);
1541
1542	/*
1543	* We are parsing a new node.
1544	*/
1545	if (nodePush(ctxt, ret) < 0) {
1546	xmlUnlinkNode(ret);
1547	xmlFreeNode(ret);
1548	if (prefix != NULL)
1549	xmlFree(prefix);
1550	return;
1551	}
1552
1553	if (!ctxt->html) {
1554	int res;
1555
1556	/*
1557	* Insert all the defaulted attributes from the DTD especially
1558	* namespaces
1559	*/
1560	if ((ctxt->myDoc->intSubset != NULL) \|\|
1561	(ctxt->myDoc->extSubset != NULL)) {
1562	xmlCheckDefaultedAttributes(ctxt, name, prefix, atts);
1563	}
1564
1565	/*
1566	* process all the attributes whose name start with "xmlns"
1567	*/
1568	if (atts != NULL) {
1569	i = 0;
1570	att = atts[i++];
1571	value = atts[i++];
1572	while ((att != NULL) && (value != NULL)) {
1573	if ((att[0] == 'x') && (att[1] == 'm') && (att[2] == 'l') &&
1574	(att[3] == 'n') && (att[4] == 's'))
1575	xmlSAX2AttributeInternal(ctxt, att, value, prefix);
1576
1577	att = atts[i++];
1578	value = atts[i++];
1579	}
1580	}
1581
1582	/*
1583	* Search the namespace, note that since the attributes have been
1584	* processed, the local namespaces are available.
1585	*/
1586	res = xmlSearchNsSafe(ret, prefix, &ns);
1587	if (res < 0)
1588	xmlSAX2ErrMemory(ctxt);
1589	if ((ns == NULL) && (parent != NULL)) {
1590	res = xmlSearchNsSafe(parent, prefix, &ns);
1591	if (res < 0)
1592	xmlSAX2ErrMemory(ctxt);
1593	}
1594	if ((prefix != NULL) && (ns == NULL)) {
1595	xmlNsWarnMsg(ctxt, XML_NS_ERR_UNDEFINED_NAMESPACE,
1596	"Namespace prefix %s is not defined\n",
1597	prefix, NULL);
1598	ns = xmlNewNs(ret, NULL, prefix);
1599	if (ns == NULL)
1600	xmlSAX2ErrMemory(ctxt);
1601	}
1602
1603	/*
1604	* set the namespace node, making sure that if the default namespace
1605	* is unbound on a parent we simply keep it NULL
1606	*/
1607	if ((ns != NULL) && (ns->href != NULL) &&
1608	((ns->href[0] != 0) \|\| (ns->prefix != NULL)))
1609	xmlSetNs(ret, ns);
1610	}
1611
1612	/*
1613	* process all the other attributes
1614	*/
1615	if (atts != NULL) {
1616	i = 0;
1617	att = atts[i++];
1618	value = atts[i++];
1619	if (ctxt->html) {
1620	while (att != NULL) {
1621	xmlSAX2AttributeInternal(ctxt, att, value, NULL);
1622	att = atts[i++];
1623	value = atts[i++];
1624	}
1625	} else {
1626	while ((att != NULL) && (value != NULL)) {
1627	if ((att[0] != 'x') \|\| (att[1] != 'm') \|\| (att[2] != 'l') \|\|
1628	(att[3] != 'n') \|\| (att[4] != 's'))
1629	xmlSAX2AttributeInternal(ctxt, att, value, NULL);
1630
1631	/*
1632	* Next ones
1633	*/
1634	att = atts[i++];
1635	value = atts[i++];
1636	}
1637	}
1638	}
1639
1640	#ifdef LIBXML_VALID_ENABLED
1641	/*
1642	* If it's the Document root, finish the DTD validation and
1643	* check the document root element for validity
1644	*/
1645	if ((ctxt->validate) &&
1646	((ctxt->vctxt.flags & XML_VCTXT_DTD_VALIDATED) == 0)) {
1647	int chk;
1648
1649	chk = xmlValidateDtdFinal(&ctxt->vctxt, ctxt->myDoc);
1650	if (chk <= 0)
1651	ctxt->valid = 0;
1652	if (chk < 0)
1653	ctxt->wellFormed = 0;
1654	ctxt->valid &= xmlValidateRoot(&ctxt->vctxt, ctxt->myDoc);
1655	ctxt->vctxt.flags \|= XML_VCTXT_DTD_VALIDATED;
1656	}
1657	#endif /* LIBXML_VALID_ENABLED */
1658
1659	if (prefix != NULL)
1660	xmlFree(prefix);
1661
1662	}
1663
1664	/**
1665	* xmlSAX2EndElement:
1666	* @ctx: the user data (XML parser context)
1667	* @name: The element name
1668	*
1669	* called when the end of an element has been detected.
1670	*/
1671	void
1672	xmlSAX2EndElement(void ctx, const xmlChar name ATTRIBUTE_UNUSED)
1673	{
1674	xmlParserCtxtPtr ctxt = (xmlParserCtxtPtr) ctx;
1675
1676	if (ctx == NULL) return;
1677
1678	ctxt->nodemem = -1;
1679
1680	#ifdef LIBXML_VALID_ENABLED
1681	if (ctxt->validate && ctxt->wellFormed &&
1682	ctxt->myDoc && ctxt->myDoc->intSubset)
1683	ctxt->valid &= xmlValidateOneElement(&ctxt->vctxt, ctxt->myDoc,
1684	ctxt->node);
1685	#endif /* LIBXML_VALID_ENABLED */
1686
1687
1688	/*
1689	* end of parsing of this node.
1690	*/
1691	nodePop(ctxt);
1692	}
1693	#endif /* LIBXML_SAX1_ENABLED \|\| LIBXML_HTML_ENABLED \|\| LIBXML_LEGACY_ENABLED */
1694
1695	/*
1696	* xmlSAX2TextNode:
1697	* @ctxt: the parser context
1698	* @str: the input string
1699	* @len: the string length
1700	*
1701	* Callback for a text node
1702	*
1703	* Returns the newly allocated string or NULL if not needed or error
1704	*/
1705	static xmlNodePtr
1706	xmlSAX2TextNode(xmlParserCtxtPtr ctxt, const xmlChar *str, int len) {
1707	xmlNodePtr ret;
1708	const xmlChar *intern = NULL;
1709
1710	/*
1711	* Allocate
1712	*/
1713	if (ctxt->freeElems != NULL) {
1714	ret = ctxt->freeElems;
1715	ctxt->freeElems = ret->next;
1716	ctxt->freeElemsNr--;
1717	} else {
1718	ret = (xmlNodePtr) xmlMalloc(sizeof(xmlNode));
1719	}
1720	if (ret == NULL) {
1721	xmlCtxtErrMemory(ctxt);
1722	return(NULL);
1723	}
1724	memset(ret, 0, sizeof(xmlNode));
1725	/*
1726	* intern the formatting blanks found between tags, or the
1727	* very short strings
1728	*/
1729	if (ctxt->dictNames) {
1730	xmlChar cur = str[len];
1731
1732	if ((len < (int) (2 * sizeof(void *))) &&
1733	(ctxt->options & XML_PARSE_COMPACT)) {
1734	/* store the string in the node overriding properties and nsDef */
1735	xmlChar tmp = (xmlChar ) &(ret->properties);
1736	memcpy(tmp, str, len);
1737	tmp[len] = 0;
1738	intern = tmp;
1739	} else if ((len <= 3) && ((cur == '"') \|\| (cur == '\'') \|\|
1740	((cur == '<') && (str[len + 1] != '!')))) {
1741	intern = xmlDictLookup(ctxt->dict, str, len);
1742	if (intern == NULL) {
1743	xmlSAX2ErrMemory(ctxt);
1744	xmlFree(ret);
1745	return(NULL);
1746	}
1747	} else if (IS_BLANK_CH(*str) && (len < 60) && (cur == '<') &&
1748	(str[len + 1] != '!')) {
1749	int i;
1750
1751	for (i = 1;i < len;i++) {
1752	if (!IS_BLANK_CH(str[i])) goto skip;
1753	}
1754	intern = xmlDictLookup(ctxt->dict, str, len);
1755	if (intern == NULL) {
1756	xmlSAX2ErrMemory(ctxt);
1757	xmlFree(ret);
1758	return(NULL);
1759	}
1760	}
1761	}
1762	skip:
1763	ret->type = XML_TEXT_NODE;
1764
1765	ret->name = xmlStringText;
1766	if (intern == NULL) {
1767	ret->content = xmlStrndup(str, len);
1768	if (ret->content == NULL) {
1769	xmlSAX2ErrMemory(ctxt);
1770	xmlFree(ret);
1771	return(NULL);
1772	}
1773	} else
1774	ret->content = (xmlChar *) intern;
1775
1776	if ((__xmlRegisterCallbacks) && (xmlRegisterNodeDefaultValue))
1777	xmlRegisterNodeDefaultValue(ret);
1778	return(ret);
1779	}
1780
1781	#ifdef LIBXML_VALID_ENABLED
1782	/*
1783	* xmlSAX2DecodeAttrEntities:
1784	* @ctxt: the parser context
1785	* @str: the input string
1786	* @len: the string length
1787	*
1788	* Remove the entities from an attribute value
1789	*
1790	* Returns the newly allocated string or NULL if not needed or error
1791	*/
1792	static xmlChar *
1793	xmlSAX2DecodeAttrEntities(xmlParserCtxtPtr ctxt, const xmlChar *str,
1794	const xmlChar *end) {
1795	const xmlChar *in;
1796
1797	in = str;
1798	while (in < end)
1799	if (*in++ == '&')
1800	goto decode;
1801	return(NULL);
1802	decode:
1803	/*
1804	* If the value contains '&', we can be sure it was allocated and is
1805	* zero-terminated.
1806	*/
1807	/* TODO: normalize if needed */
1808	return(xmlExpandEntitiesInAttValue(ctxt, str, /* normalize */ 0));
1809	}
1810	#endif /* LIBXML_VALID_ENABLED */
1811
1812	/**
1813	* xmlSAX2AttributeNs:
1814	* @ctx: the user data (XML parser context)
1815	* @localname: the local name of the attribute
1816	* @prefix: the attribute namespace prefix if available
1817	* @URI: the attribute namespace name if available
1818	* @value: Start of the attribute value
1819	* @valueend: end of the attribute value
1820	*
1821	* Handle an attribute that has been read by the parser.
1822	* The default handling is to convert the attribute into an
1823	* DOM subtree and past it in a new xmlAttr element added to
1824	* the element.
1825	*
1826	* Returns the new attribute or NULL in case of error.
1827	*/
1828	static xmlAttrPtr
1829	xmlSAX2AttributeNs(xmlParserCtxtPtr ctxt,
1830	const xmlChar * localname,
1831	const xmlChar * prefix,
1832	const xmlChar * value,
1833	const xmlChar * valueend)
1834	{
1835	xmlAttrPtr ret;
1836	xmlNsPtr namespace = NULL;
1837	xmlChar *dup = NULL;
1838
1839	/*
1840	* Note: if prefix == NULL, the attribute is not in the default namespace
1841	*/
1842	if (prefix != NULL) {
1843	namespace = xmlParserNsLookupSax(ctxt, prefix);
1844	if ((namespace == NULL) && (xmlStrEqual(prefix, BAD_CAST "xml"))) {
1845	int res;
1846
1847	res = xmlSearchNsSafe(ctxt->node, prefix, &namespace);
1848	if (res < 0)
1849	xmlSAX2ErrMemory(ctxt);
1850	}
1851	}
1852
1853	/*
1854	* allocate the node
1855	*/
1856	if (ctxt->freeAttrs != NULL) {
1857	ret = ctxt->freeAttrs;
1858	ctxt->freeAttrs = ret->next;
1859	ctxt->freeAttrsNr--;
1860	} else {
1861	ret = xmlMalloc(sizeof(*ret));
1862	if (ret == NULL) {
1863	xmlSAX2ErrMemory(ctxt);
1864	return(NULL);
1865	}
1866	}
1867
1868	memset(ret, 0, sizeof(xmlAttr));
1869	ret->type = XML_ATTRIBUTE_NODE;
1870
1871	/*
1872	* xmlParseBalancedChunkMemoryRecover had a bug that could result in
1873	* a mismatch between ctxt->node->doc and ctxt->myDoc. We use
1874	* ctxt->node->doc here, but we should somehow make sure that the
1875	* document pointers match.
1876	*/
1877
1878	/* assert(ctxt->node->doc == ctxt->myDoc); */
1879
1880	ret->parent = ctxt->node;
1881	ret->doc = ctxt->node->doc;
1882	ret->ns = namespace;
1883
1884	if (ctxt->dictNames) {
1885	ret->name = localname;
1886	} else {
1887	ret->name = xmlStrdup(localname);
1888	if (ret->name == NULL)
1889	xmlSAX2ErrMemory(ctxt);
1890	}
1891
1892	if ((__xmlRegisterCallbacks) && (xmlRegisterNodeDefaultValue))
1893	xmlRegisterNodeDefaultValue((xmlNodePtr)ret);
1894
1895	if ((ctxt->replaceEntities == 0) && (!ctxt->html)) {
1896	xmlNodePtr tmp;
1897
1898	/*
1899	* We know that if there is an entity reference, then
1900	* the string has been dup'ed and terminates with 0
1901	* otherwise with ' or "
1902	*/
1903	if (*valueend != 0) {
1904	tmp = xmlSAX2TextNode(ctxt, value, valueend - value);
1905	ret->children = tmp;
1906	ret->last = tmp;
1907	if (tmp != NULL) {
1908	tmp->doc = ret->doc;
1909	tmp->parent = (xmlNodePtr) ret;
1910	}
1911	} else if (valueend > value) {
1912	if (xmlNodeParseContent((xmlNodePtr) ret, value,
1913	valueend - value) < 0)
1914	xmlSAX2ErrMemory(ctxt);
1915	}
1916	} else if (value != NULL) {
1917	xmlNodePtr tmp;
1918
1919	tmp = xmlSAX2TextNode(ctxt, value, valueend - value);
1920	ret->children = tmp;
1921	ret->last = tmp;
1922	if (tmp != NULL) {
1923	tmp->doc = ret->doc;
1924	tmp->parent = (xmlNodePtr) ret;
1925	}
1926	}
1927
1928	#ifdef LIBXML_VALID_ENABLED
1929	if ((!ctxt->html) && ctxt->validate && ctxt->wellFormed &&
1930	ctxt->myDoc && ctxt->myDoc->intSubset) {
1931	/*
1932	* If we don't substitute entities, the validation should be
1933	* done on a value with replaced entities anyway.
1934	*/
1935	if (!ctxt->replaceEntities) {
1936	dup = xmlSAX2DecodeAttrEntities(ctxt, value, valueend);
1937	if (dup == NULL) {
1938	if (*valueend == 0) {
1939	ctxt->valid &= xmlValidateOneAttribute(&ctxt->vctxt,
1940	ctxt->myDoc, ctxt->node, ret, value);
1941	} else {
1942	/*
1943	* That should already be normalized.
1944	* cheaper to finally allocate here than duplicate
1945	* entry points in the full validation code
1946	*/
1947	dup = xmlStrndup(value, valueend - value);
1948	if (dup == NULL)
1949	xmlSAX2ErrMemory(ctxt);
1950
1951	ctxt->valid &= xmlValidateOneAttribute(&ctxt->vctxt,
1952	ctxt->myDoc, ctxt->node, ret, dup);
1953	}
1954	} else {
1955	/*
1956	* dup now contains a string of the flattened attribute
1957	* content with entities substituted. Check if we need to
1958	* apply an extra layer of normalization.
1959	* It need to be done twice ... it's an extra burden related
1960	* to the ability to keep references in attributes
1961	*/
1962	if (ctxt->attsSpecial != NULL) {
1963	xmlChar *nvalnorm;
1964	xmlChar fn[50];
1965	xmlChar *fullname;
1966
1967	fullname = xmlBuildQName(localname, prefix, fn, 50);
1968	if (fullname == NULL) {
1969	xmlSAX2ErrMemory(ctxt);
1970	} else {
1971	ctxt->vctxt.valid = 1;
1972	nvalnorm = xmlValidCtxtNormalizeAttributeValue(
1973	&ctxt->vctxt, ctxt->myDoc,
1974	ctxt->node, fullname, dup);
1975	if (ctxt->vctxt.valid != 1)
1976	ctxt->valid = 0;
1977
1978	if ((fullname != fn) && (fullname != localname))
1979	xmlFree(fullname);
1980	if (nvalnorm != NULL) {
1981	xmlFree(dup);
1982	dup = nvalnorm;
1983	}
1984	}
1985	}
1986
1987	ctxt->valid &= xmlValidateOneAttribute(&ctxt->vctxt,
1988	ctxt->myDoc, ctxt->node, ret, dup);
1989	}
1990	} else {
1991	/*
1992	* if entities already have been substituted, then
1993	* the attribute as passed is already normalized
1994	*/
1995	dup = xmlStrndup(value, valueend - value);
1996	if (dup == NULL)
1997	xmlSAX2ErrMemory(ctxt);
1998
1999	ctxt->valid &= xmlValidateOneAttribute(&ctxt->vctxt,
2000	ctxt->myDoc, ctxt->node, ret, dup);
2001	}
2002	} else
2003	#endif /* LIBXML_VALID_ENABLED */
2004	if (((ctxt->loadsubset & XML_SKIP_IDS) == 0) &&
2005	(ctxt->input->entity == NULL) &&
2006	/* Don't create IDs containing entity references */
2007	(ret->children != NULL) &&
2008	(ret->children->type == XML_TEXT_NODE) &&
2009	(ret->children->next == NULL)) {
2010	xmlChar *content = ret->children->content;
2011	/*
2012	* when validating, the ID registration is done at the attribute
2013	* validation level. Otherwise we have to do specific handling here.
2014	*/
2015	if ((prefix == ctxt->str_xml) &&
2016	(localname[0] == 'i') && (localname[1] == 'd') &&
2017	(localname[2] == 0)) {
2018	/*
2019	* Add the xml:id value
2020	*
2021	* Open issue: normalization of the value.
2022	*/
2023	if (xmlValidateNCName(content, 1) != 0) {
2024	xmlErrValid(ctxt, XML_DTD_XMLID_VALUE,
2025	"xml:id : attribute value %s is not an NCName\n",
2026	content, NULL);
2027	}
2028	xmlAddID(&ctxt->vctxt, ctxt->myDoc, content, ret);
2029	} else {
2030	int res = xmlIsID(ctxt->myDoc, ctxt->node, ret);
2031
2032	if (res < 0)
2033	xmlCtxtErrMemory(ctxt);
2034	else if (res > 0)
2035	xmlAddID(&ctxt->vctxt, ctxt->myDoc, content, ret);
2036	else if (xmlIsRef(ctxt->myDoc, ctxt->node, ret))
2037	xmlAddRef(&ctxt->vctxt, ctxt->myDoc, content, ret);
2038	}
2039	}
2040	if (dup != NULL)
2041	xmlFree(dup);
2042
2043	return(ret);
2044	}
2045
2046	/**
2047	* xmlSAX2StartElementNs:
2048	* @ctx: the user data (XML parser context)
2049	* @localname: the local name of the element
2050	* @prefix: the element namespace prefix if available
2051	* @URI: the element namespace name if available
2052	* @nb_namespaces: number of namespace definitions on that node
2053	* @namespaces: pointer to the array of prefix/URI pairs namespace definitions
2054	* @nb_attributes: the number of attributes on that node
2055	* @nb_defaulted: the number of defaulted attributes.
2056	* @attributes: pointer to the array of (localname/prefix/URI/value/end)
2057	* attribute values.
2058	*
2059	* SAX2 callback when an element start has been detected by the parser.
2060	* It provides the namespace information for the element, as well as
2061	* the new namespace declarations on the element.
2062	*/
2063	void
2064	xmlSAX2StartElementNs(void *ctx,
2065	const xmlChar *localname,
2066	const xmlChar *prefix,
2067	const xmlChar *URI,
2068	int nb_namespaces,
2069	const xmlChar **namespaces,
2070	int nb_attributes,
2071	int nb_defaulted,
2072	const xmlChar **attributes)
2073	{
2074	xmlParserCtxtPtr ctxt = (xmlParserCtxtPtr) ctx;
2075	xmlNodePtr ret;
2076	xmlNsPtr last = NULL, ns;
2077	const xmlChar uri, pref;
2078	xmlChar *lname = NULL;
2079	int i, j;
2080
2081	if (ctx == NULL) return;
2082	/*
2083	* First check on validity:
2084	*/
2085	if (ctxt->validate && (ctxt->myDoc->extSubset == NULL) &&
2086	((ctxt->myDoc->intSubset == NULL) \|\|
2087	((ctxt->myDoc->intSubset->notations == NULL) &&
2088	(ctxt->myDoc->intSubset->elements == NULL) &&
2089	(ctxt->myDoc->intSubset->attributes == NULL) &&
2090	(ctxt->myDoc->intSubset->entities == NULL)))) {
2091	xmlErrValid(ctxt, XML_DTD_NO_DTD,
2092	"Validation failed: no DTD found !", NULL, NULL);
2093	ctxt->validate = 0;
2094	}
2095
2096	/*
2097	* Take care of the rare case of an undefined namespace prefix
2098	*/
2099	if ((prefix != NULL) && (URI == NULL)) {
2100	if (ctxt->dictNames) {
2101	const xmlChar *fullname;
2102
2103	fullname = xmlDictQLookup(ctxt->dict, prefix, localname);
2104	if (fullname == NULL) {
2105	xmlSAX2ErrMemory(ctxt);
2106	return;
2107	}
2108	localname = fullname;
2109	} else {
2110	lname = xmlBuildQName(localname, prefix, NULL, 0);
2111	if (lname == NULL) {
2112	xmlSAX2ErrMemory(ctxt);
2113	return;
2114	}
2115	}
2116	}
2117	/*
2118	* allocate the node
2119	*/
2120	if (ctxt->freeElems != NULL) {
2121	ret = ctxt->freeElems;
2122	ctxt->freeElems = ret->next;
2123	ctxt->freeElemsNr--;
2124	memset(ret, 0, sizeof(xmlNode));
2125	ret->doc = ctxt->myDoc;
2126	ret->type = XML_ELEMENT_NODE;
2127
2128	if (ctxt->dictNames)
2129	ret->name = localname;
2130	else {
2131	if (lname == NULL)
2132	ret->name = xmlStrdup(localname);
2133	else
2134	ret->name = lname;
2135	if (ret->name == NULL) {
2136	xmlSAX2ErrMemory(ctxt);
2137	xmlFree(ret);
2138	return;
2139	}
2140	}
2141	if ((__xmlRegisterCallbacks) && (xmlRegisterNodeDefaultValue))
2142	xmlRegisterNodeDefaultValue(ret);
2143	} else {
2144	if (ctxt->dictNames)
2145	ret = xmlNewDocNodeEatName(ctxt->myDoc, NULL,
2146	(xmlChar *) localname, NULL);
2147	else if (lname == NULL)
2148	ret = xmlNewDocNode(ctxt->myDoc, NULL, localname, NULL);
2149	else
2150	ret = xmlNewDocNodeEatName(ctxt->myDoc, NULL,
2151	(xmlChar *) lname, NULL);
2152	if (ret == NULL) {
2153	xmlSAX2ErrMemory(ctxt);
2154	return;
2155	}
2156	}
2157
2158	/*
2159	* Build the namespace list
2160	*/
2161	for (i = 0,j = 0;j < nb_namespaces;j++) {
2162	pref = namespaces[i++];
2163	uri = namespaces[i++];
2164	ns = xmlNewNs(NULL, uri, pref);
2165	if (ns != NULL) {
2166	if (last == NULL) {
2167	ret->nsDef = last = ns;
2168	} else {
2169	last->next = ns;
2170	last = ns;
2171	}
2172	if ((URI != NULL) && (prefix == pref))
2173	ret->ns = ns;
2174	} else {
2175	xmlSAX2ErrMemory(ctxt);
2176	continue;
2177	}
2178
2179	xmlParserNsUpdateSax(ctxt, pref, ns);
2180
2181	#ifdef LIBXML_VALID_ENABLED
2182	if ((!ctxt->html) && ctxt->validate && ctxt->wellFormed &&
2183	ctxt->myDoc && ctxt->myDoc->intSubset) {
2184	ctxt->valid &= xmlValidateOneNamespace(&ctxt->vctxt, ctxt->myDoc,
2185	ret, prefix, ns, uri);
2186	}
2187	#endif /* LIBXML_VALID_ENABLED */
2188	}
2189	ctxt->nodemem = -1;
2190
2191	/*
2192	* Link the child element
2193	*/
2194	xmlSAX2AppendChild(ctxt, ret);
2195
2196	/*
2197	* We are parsing a new node.
2198	*/
2199	if (nodePush(ctxt, ret) < 0) {
2200	xmlUnlinkNode(ret);
2201	xmlFreeNode(ret);
2202	return;
2203	}
2204
2205	/*
2206	* Insert the defaulted attributes from the DTD only if requested:
2207	*/
2208	if ((nb_defaulted != 0) &&
2209	((ctxt->loadsubset & XML_COMPLETE_ATTRS) == 0))
2210	nb_attributes -= nb_defaulted;
2211
2212	/*
2213	* Search the namespace if it wasn't already found
2214	* Note that, if prefix is NULL, this searches for the default Ns
2215	*/
2216	if ((URI != NULL) && (ret->ns == NULL)) {
2217	ret->ns = xmlParserNsLookupSax(ctxt, prefix);
2218	if ((ret->ns == NULL) && (xmlStrEqual(prefix, BAD_CAST "xml"))) {
2219	int res;
2220
2221	res = xmlSearchNsSafe(ret, prefix, &ret->ns);
2222	if (res < 0)
2223	xmlSAX2ErrMemory(ctxt);
2224	}
2225	if (ret->ns == NULL) {
2226	ns = xmlNewNs(ret, NULL, prefix);
2227	if (ns == NULL) {
2228
2229	xmlSAX2ErrMemory(ctxt);
2230	return;
2231	}
2232	if (prefix != NULL)
2233	xmlNsWarnMsg(ctxt, XML_NS_ERR_UNDEFINED_NAMESPACE,
2234	"Namespace prefix %s was not found\n",
2235	prefix, NULL);
2236	else
2237	xmlNsWarnMsg(ctxt, XML_NS_ERR_UNDEFINED_NAMESPACE,
2238	"Namespace default prefix was not found\n",
2239	NULL, NULL);
2240	}
2241	}
2242
2243	/*
2244	* process all the other attributes
2245	*/
2246	if (nb_attributes > 0) {
2247	xmlAttrPtr prev = NULL;
2248
2249	for (j = 0,i = 0;i < nb_attributes;i++,j+=5) {
2250	xmlAttrPtr attr = NULL;
2251
2252	/*
2253	* Handle the rare case of an undefined attribute prefix
2254	*/
2255	if ((attributes[j+1] != NULL) && (attributes[j+2] == NULL)) {
2256	if (ctxt->dictNames) {
2257	const xmlChar *fullname;
2258
2259	fullname = xmlDictQLookup(ctxt->dict, attributes[j+1],
2260	attributes[j]);
2261	if (fullname == NULL) {
2262	xmlSAX2ErrMemory(ctxt);
2263	return;
2264	}
2265	attr = xmlSAX2AttributeNs(ctxt, fullname, NULL,
2266	attributes[j+3],
2267	attributes[j+4]);
2268	goto have_attr;
2269	} else {
2270	lname = xmlBuildQName(attributes[j], attributes[j+1],
2271	NULL, 0);
2272	if (lname == NULL) {
2273	xmlSAX2ErrMemory(ctxt);
2274	return;
2275	}
2276	attr = xmlSAX2AttributeNs(ctxt, lname, NULL,
2277	attributes[j+3],
2278	attributes[j+4]);
2279	xmlFree(lname);
2280	goto have_attr;
2281	}
2282	}
2283	attr = xmlSAX2AttributeNs(ctxt, attributes[j], attributes[j+1],
2284	attributes[j+3], attributes[j+4]);
2285	have_attr:
2286	if (attr == NULL)
2287	continue;
2288
2289	/* link at the end to preserve order */
2290	if (prev == NULL) {
2291	ctxt->node->properties = attr;
2292	} else {
2293	prev->next = attr;
2294	attr->prev = prev;
2295	}
2296
2297	prev = attr;
2298	}
2299	}
2300
2301	#ifdef LIBXML_VALID_ENABLED
2302	/*
2303	* If it's the Document root, finish the DTD validation and
2304	* check the document root element for validity
2305	*/
2306	if ((ctxt->validate) &&
2307	((ctxt->vctxt.flags & XML_VCTXT_DTD_VALIDATED) == 0)) {
2308	int chk;
2309
2310	chk = xmlValidateDtdFinal(&ctxt->vctxt, ctxt->myDoc);
2311	if (chk <= 0)
2312	ctxt->valid = 0;
2313	if (chk < 0)
2314	ctxt->wellFormed = 0;
2315	ctxt->valid &= xmlValidateRoot(&ctxt->vctxt, ctxt->myDoc);
2316	ctxt->vctxt.flags \|= XML_VCTXT_DTD_VALIDATED;
2317	}
2318	#endif /* LIBXML_VALID_ENABLED */
2319	}
2320
2321	/**
2322	* xmlSAX2EndElementNs:
2323	* @ctx: the user data (XML parser context)
2324	* @localname: the local name of the element
2325	* @prefix: the element namespace prefix if available
2326	* @URI: the element namespace name if available
2327	*
2328	* SAX2 callback when an element end has been detected by the parser.
2329	* It provides the namespace information for the element.
2330	*/
2331	void
2332	xmlSAX2EndElementNs(void *ctx,
2333	const xmlChar * localname ATTRIBUTE_UNUSED,
2334	const xmlChar * prefix ATTRIBUTE_UNUSED,
2335	const xmlChar * URI ATTRIBUTE_UNUSED)
2336	{
2337	xmlParserCtxtPtr ctxt = (xmlParserCtxtPtr) ctx;
2338
2339	if (ctx == NULL) return;
2340	ctxt->nodemem = -1;
2341
2342	#ifdef LIBXML_VALID_ENABLED
2343	if (ctxt->validate && ctxt->wellFormed &&
2344	ctxt->myDoc && ctxt->myDoc->intSubset)
2345	ctxt->valid &= xmlValidateOneElement(&ctxt->vctxt, ctxt->myDoc,
2346	ctxt->node);
2347	#endif /* LIBXML_VALID_ENABLED */
2348
2349	/*
2350	* end of parsing of this node.
2351	*/
2352	nodePop(ctxt);
2353	}
2354
2355	/**
2356	* xmlSAX2Reference:
2357	* @ctx: the user data (XML parser context)
2358	* @name: The entity name
2359	*
2360	* called when an entity xmlSAX2Reference is detected.
2361	*/
2362	void
2363	xmlSAX2Reference(void ctx, const xmlChar name)
2364	{
2365	xmlParserCtxtPtr ctxt = (xmlParserCtxtPtr) ctx;
2366	xmlNodePtr ret;
2367
2368	if (ctx == NULL) return;
2369	ret = xmlNewReference(ctxt->myDoc, name);
2370	if (ret == NULL) {
2371	xmlSAX2ErrMemory(ctxt);
2372	return;
2373	}
2374
2375	xmlSAX2AppendChild(ctxt, ret);
2376	}
2377
2378	/**
2379	* xmlSAX2Text:
2380	* @ctx: the user data (XML parser context)
2381	* @ch: a xmlChar string
2382	* @len: the number of xmlChar
2383	* @type: text or cdata
2384	*
2385	* Append characters.
2386	*/
2387	static void
2388	xmlSAX2Text(xmlParserCtxtPtr ctxt, const xmlChar *ch, int len,
2389	xmlElementType type)
2390	{
2391	xmlNodePtr lastChild;
2392
2393	if (ctxt == NULL) return;
2394	/*
2395	* Handle the data if any. If there is no child
2396	* add it as content, otherwise if the last child is text,
2397	* concatenate it, else create a new node of type text.
2398	*/
2399
2400	if (ctxt->node == NULL) {
2401	return;
2402	}
2403	lastChild = ctxt->node->last;
2404
2405	/*
2406	* Here we needed an accelerator mechanism in case of very large
2407	* elements. Use an attribute in the structure !!!
2408	*/
2409	if (lastChild == NULL) {
2410	if (type == XML_TEXT_NODE)
2411	lastChild = xmlSAX2TextNode(ctxt, ch, len);
2412	else
2413	lastChild = xmlNewCDataBlock(ctxt->myDoc, ch, len);
2414	if (lastChild != NULL) {
2415	ctxt->node->children = lastChild;
2416	ctxt->node->last = lastChild;
2417	lastChild->parent = ctxt->node;
2418	lastChild->doc = ctxt->node->doc;
2419	ctxt->nodelen = len;
2420	ctxt->nodemem = len + 1;
2421	} else {
2422	xmlSAX2ErrMemory(ctxt);
2423	return;
2424	}
2425	} else {
2426	int coalesceText = (lastChild != NULL) &&
2427	(lastChild->type == type) &&
2428	((type != XML_TEXT_NODE) \|\|
2429	(lastChild->name == xmlStringText));
2430	if ((coalesceText) && (ctxt->nodemem != 0)) {
2431	int maxLength = (ctxt->options & XML_PARSE_HUGE) ?
2432	XML_MAX_HUGE_LENGTH :
2433	XML_MAX_TEXT_LENGTH;
2434
2435	/*
2436	* The whole point of maintaining nodelen and nodemem,
2437	* xmlTextConcat is too costly, i.e. compute length,
2438	* reallocate a new buffer, move data, append ch. Here
2439	* We try to minimize realloc() uses and avoid copying
2440	* and recomputing length over and over.
2441	*/
2442	if (lastChild->content == (xmlChar *)&(lastChild->properties)) {
2443	lastChild->content = xmlStrdup(lastChild->content);
2444	lastChild->properties = NULL;
2445	} else if ((ctxt->nodemem == ctxt->nodelen + 1) &&
2446	(xmlDictOwns(ctxt->dict, lastChild->content))) {
2447	lastChild->content = xmlStrdup(lastChild->content);
2448	}
2449	if (lastChild->content == NULL) {
2450	xmlSAX2ErrMemory(ctxt);
2451	return;
2452	}
2453	if ((len > maxLength) \|\| (ctxt->nodelen > maxLength - len)) {
2454	xmlFatalErr(ctxt, XML_ERR_RESOURCE_LIMIT,
2455	"Text node too long, try XML_PARSE_HUGE");
2456	xmlHaltParser(ctxt);
2457	return;
2458	}
2459	if (ctxt->nodelen + len >= ctxt->nodemem) {
2460	xmlChar *newbuf;
2461	int size;
2462
2463	size = ctxt->nodemem > INT_MAX - len ?
2464	INT_MAX :
2465	ctxt->nodemem + len;
2466	size = size > INT_MAX / 2 ? INT_MAX : size * 2;
2467	newbuf = (xmlChar *) xmlRealloc(lastChild->content,size);
2468	if (newbuf == NULL) {
2469	xmlSAX2ErrMemory(ctxt);
2470	return;
2471	}
2472	ctxt->nodemem = size;
2473	lastChild->content = newbuf;
2474	}
2475	memcpy(&lastChild->content[ctxt->nodelen], ch, len);
2476	ctxt->nodelen += len;
2477	lastChild->content[ctxt->nodelen] = 0;
2478	} else if (coalesceText) {
2479	if (xmlTextConcat(lastChild, ch, len)) {
2480	xmlSAX2ErrMemory(ctxt);
2481	}
2482	if (ctxt->node->children != NULL) {
2483	ctxt->nodelen = xmlStrlen(lastChild->content);
2484	ctxt->nodemem = ctxt->nodelen + 1;
2485	}
2486	} else {
2487	/* Mixed content, first time */
2488	if (type == XML_TEXT_NODE) {
2489	lastChild = xmlSAX2TextNode(ctxt, ch, len);
2490	if (lastChild != NULL)
2491	lastChild->doc = ctxt->myDoc;
2492	} else
2493	lastChild = xmlNewCDataBlock(ctxt->myDoc, ch, len);
2494	if (lastChild == NULL) {
2495	xmlSAX2ErrMemory(ctxt);
2496	} else {
2497	xmlSAX2AppendChild(ctxt, lastChild);
2498	if (ctxt->node->children != NULL) {
2499	ctxt->nodelen = len;
2500	ctxt->nodemem = len + 1;
2501	}
2502	}
2503	}
2504	}
2505
2506	if ((lastChild != NULL) &&
2507	(type == XML_TEXT_NODE) &&
2508	(ctxt->linenumbers) &&
2509	(ctxt->input != NULL)) {
2510	if ((unsigned) ctxt->input->line < (unsigned) USHRT_MAX)
2511	lastChild->line = ctxt->input->line;
2512	else {
2513	lastChild->line = USHRT_MAX;
2514	if (ctxt->options & XML_PARSE_BIG_LINES)
2515	lastChild->psvi = (void *) (ptrdiff_t) ctxt->input->line;
2516	}
2517	}
2518	}
2519
2520	/**
2521	* xmlSAX2Characters:
2522	* @ctx: the user data (XML parser context)
2523	* @ch: a xmlChar string
2524	* @len: the number of xmlChar
2525	*
2526	* receiving some chars from the parser.
2527	*/
2528	void
2529	xmlSAX2Characters(void ctx, const xmlChar ch, int len)
2530	{
2531	xmlSAX2Text((xmlParserCtxtPtr) ctx, ch, len, XML_TEXT_NODE);
2532	}
2533
2534	/**
2535	* xmlSAX2IgnorableWhitespace:
2536	* @ctx: the user data (XML parser context)
2537	* @ch: a xmlChar string
2538	* @len: the number of xmlChar
2539	*
2540	* receiving some ignorable whitespaces from the parser.
2541	* UNUSED: by default the DOM building will use xmlSAX2Characters
2542	*/
2543	void
2544	xmlSAX2IgnorableWhitespace(void ctx ATTRIBUTE_UNUSED, const xmlChar ch ATTRIBUTE_UNUSED, int len ATTRIBUTE_UNUSED)
2545	{
2546	}
2547
2548	/**
2549	* xmlSAX2ProcessingInstruction:
2550	* @ctx: the user data (XML parser context)
2551	* @target: the target name
2552	* @data: the PI data's
2553	*
2554	* A processing instruction has been parsed.
2555	*/
2556	void
2557	xmlSAX2ProcessingInstruction(void ctx, const xmlChar target,
2558	const xmlChar *data)
2559	{
2560	xmlParserCtxtPtr ctxt = (xmlParserCtxtPtr) ctx;
2561	xmlNodePtr ret;
2562
2563	if (ctx == NULL) return;
2564
2565	ret = xmlNewDocPI(ctxt->myDoc, target, data);
2566	if (ret == NULL) {
2567	xmlSAX2ErrMemory(ctxt);
2568	return;
2569	}
2570
2571	xmlSAX2AppendChild(ctxt, ret);
2572	}
2573
2574	/**
2575	* xmlSAX2Comment:
2576	* @ctx: the user data (XML parser context)
2577	* @value: the xmlSAX2Comment content
2578	*
2579	* A xmlSAX2Comment has been parsed.
2580	*/
2581	void
2582	xmlSAX2Comment(void ctx, const xmlChar value)
2583	{
2584	xmlParserCtxtPtr ctxt = (xmlParserCtxtPtr) ctx;
2585	xmlNodePtr ret;
2586
2587	if (ctx == NULL) return;
2588
2589	ret = xmlNewDocComment(ctxt->myDoc, value);
2590	if (ret == NULL) {
2591	xmlSAX2ErrMemory(ctxt);
2592	return;
2593	}
2594
2595	xmlSAX2AppendChild(ctxt, ret);
2596	}
2597
2598	/**
2599	* xmlSAX2CDataBlock:
2600	* @ctx: the user data (XML parser context)
2601	* @value: The pcdata content
2602	* @len: the block length
2603	*
2604	* called when a pcdata block has been parsed
2605	*/
2606	void
2607	xmlSAX2CDataBlock(void ctx, const xmlChar value, int len)
2608	{
2609	xmlSAX2Text((xmlParserCtxtPtr) ctx, value, len, XML_CDATA_SECTION_NODE);
2610	}
2611
2612	static int xmlSAX2DefaultVersionValue = 2;
2613
2614	#ifdef LIBXML_SAX1_ENABLED
2615	/**
2616	* xmlSAXDefaultVersion:
2617	* @version: the version, 1 or 2
2618	*
2619	* DEPRECATED: Use parser option XML_PARSE_SAX1.
2620	*
2621	* Set the default version of SAX used globally by the library.
2622	* By default, during initialization the default is set to 2.
2623	* Note that it is generally a better coding style to use
2624	* xmlSAXVersion() to set up the version explicitly for a given
2625	* parsing context.
2626	*
2627	* Returns the previous value in case of success and -1 in case of error.
2628	*/
2629	int
2630	xmlSAXDefaultVersion(int version)
2631	{
2632	int ret = xmlSAX2DefaultVersionValue;
2633
2634	if ((version != 1) && (version != 2))
2635	return(-1);
2636	xmlSAX2DefaultVersionValue = version;
2637	return(ret);
2638	}
2639	#endif /* LIBXML_SAX1_ENABLED */
2640
2641	/**
2642	* xmlSAXVersion:
2643	* @hdlr: the SAX handler
2644	* @version: the version, 1 or 2
2645	*
2646	* Initialize the default XML SAX handler according to the version
2647	*
2648	* Returns 0 in case of success and -1 in case of error.
2649	*/
2650	int
2651	xmlSAXVersion(xmlSAXHandler *hdlr, int version)
2652	{
2653	if (hdlr == NULL) return(-1);
2654	if (version == 2) {
2655	hdlr->startElementNs = xmlSAX2StartElementNs;
2656	hdlr->endElementNs = xmlSAX2EndElementNs;
2657	hdlr->serror = NULL;
2658	hdlr->initialized = XML_SAX2_MAGIC;
2659	#ifdef LIBXML_SAX1_ENABLED
2660	} else if (version == 1) {
2661	hdlr->initialized = 1;
2662	#endif /* LIBXML_SAX1_ENABLED */
2663	} else
2664	return(-1);
2665	#ifdef LIBXML_SAX1_ENABLED
2666	hdlr->startElement = xmlSAX2StartElement;
2667	hdlr->endElement = xmlSAX2EndElement;
2668	#else
2669	hdlr->startElement = NULL;
2670	hdlr->endElement = NULL;
2671	#endif /* LIBXML_SAX1_ENABLED */
2672	hdlr->internalSubset = xmlSAX2InternalSubset;
2673	hdlr->externalSubset = xmlSAX2ExternalSubset;
2674	hdlr->isStandalone = xmlSAX2IsStandalone;
2675	hdlr->hasInternalSubset = xmlSAX2HasInternalSubset;
2676	hdlr->hasExternalSubset = xmlSAX2HasExternalSubset;
2677	hdlr->resolveEntity = xmlSAX2ResolveEntity;
2678	hdlr->getEntity = xmlSAX2GetEntity;
2679	hdlr->getParameterEntity = xmlSAX2GetParameterEntity;
2680	hdlr->entityDecl = xmlSAX2EntityDecl;
2681	hdlr->attributeDecl = xmlSAX2AttributeDecl;
2682	hdlr->elementDecl = xmlSAX2ElementDecl;
2683	hdlr->notationDecl = xmlSAX2NotationDecl;
2684	hdlr->unparsedEntityDecl = xmlSAX2UnparsedEntityDecl;
2685	hdlr->setDocumentLocator = xmlSAX2SetDocumentLocator;
2686	hdlr->startDocument = xmlSAX2StartDocument;
2687	hdlr->endDocument = xmlSAX2EndDocument;
2688	hdlr->reference = xmlSAX2Reference;
2689	hdlr->characters = xmlSAX2Characters;
2690	hdlr->cdataBlock = xmlSAX2CDataBlock;
2691	hdlr->ignorableWhitespace = xmlSAX2Characters;
2692	hdlr->processingInstruction = xmlSAX2ProcessingInstruction;
2693	hdlr->comment = xmlSAX2Comment;
2694	hdlr->warning = xmlParserWarning;
2695	hdlr->error = xmlParserError;
2696	hdlr->fatalError = xmlParserError;
2697
2698	return(0);
2699	}
2700
2701	/**
2702	* xmlSAX2InitDefaultSAXHandler:
2703	* @hdlr: the SAX handler
2704	* @warning: flag if non-zero sets the handler warning procedure
2705	*
2706	* Initialize the default XML SAX2 handler
2707	*/
2708	void
2709	xmlSAX2InitDefaultSAXHandler(xmlSAXHandler *hdlr, int warning)
2710	{
2711	if ((hdlr == NULL) \|\| (hdlr->initialized != 0))
2712	return;
2713
2714	xmlSAXVersion(hdlr, xmlSAX2DefaultVersionValue);
2715	if (warning == 0)
2716	hdlr->warning = NULL;
2717	else
2718	hdlr->warning = xmlParserWarning;
2719	}
2720
2721	/**
2722	* xmlDefaultSAXHandlerInit:
2723	*
2724	* DEPRECATED: This function is a no-op. Call xmlInitParser to
2725	* initialize the library.
2726	*
2727	* Initialize the default SAX2 handler
2728	*/
2729	void
2730	xmlDefaultSAXHandlerInit(void)
2731	{
2732	}
2733
2734	#ifdef LIBXML_HTML_ENABLED
2735
2736	/**
2737	* xmlSAX2InitHtmlDefaultSAXHandler:
2738	* @hdlr: the SAX handler
2739	*
2740	* Initialize the default HTML SAX2 handler
2741	*/
2742	void
2743	xmlSAX2InitHtmlDefaultSAXHandler(xmlSAXHandler *hdlr)
2744	{
2745	if ((hdlr == NULL) \|\| (hdlr->initialized != 0))
2746	return;
2747
2748	hdlr->internalSubset = xmlSAX2InternalSubset;
2749	hdlr->externalSubset = NULL;
2750	hdlr->isStandalone = NULL;
2751	hdlr->hasInternalSubset = NULL;
2752	hdlr->hasExternalSubset = NULL;
2753	hdlr->resolveEntity = NULL;
2754	hdlr->getEntity = xmlSAX2GetEntity;
2755	hdlr->getParameterEntity = NULL;
2756	hdlr->entityDecl = NULL;
2757	hdlr->attributeDecl = NULL;
2758	hdlr->elementDecl = NULL;
2759	hdlr->notationDecl = NULL;
2760	hdlr->unparsedEntityDecl = NULL;
2761	hdlr->setDocumentLocator = xmlSAX2SetDocumentLocator;
2762	hdlr->startDocument = xmlSAX2StartDocument;
2763	hdlr->endDocument = xmlSAX2EndDocument;
2764	hdlr->startElement = xmlSAX2StartElement;
2765	hdlr->endElement = xmlSAX2EndElement;
2766	hdlr->reference = NULL;
2767	hdlr->characters = xmlSAX2Characters;
2768	hdlr->cdataBlock = xmlSAX2CDataBlock;
2769	hdlr->ignorableWhitespace = xmlSAX2IgnorableWhitespace;
2770	hdlr->processingInstruction = xmlSAX2ProcessingInstruction;
2771	hdlr->comment = xmlSAX2Comment;
2772	hdlr->warning = xmlParserWarning;
2773	hdlr->error = xmlParserError;
2774	hdlr->fatalError = xmlParserError;
2775
2776	hdlr->initialized = 1;
2777	}
2778
2779	/**
2780	* htmlDefaultSAXHandlerInit:
2781	*
2782	* DEPRECATED: This function is a no-op. Call xmlInitParser to
2783	* initialize the library.
2784	*/
2785	void
2786	htmlDefaultSAXHandlerInit(void)
2787	{
2788	}
2789
2790	#endif /* LIBXML_HTML_ENABLED */

Note: See TracBrowser for help on using the repository browser.

source: vbox/trunk/src/libs/libxml2-2.13.2/SAX2.c@ 105770

Download in other formats: