2 * xmlreader.c: implements the xmlTextReader streaming node API
5 * XmlTextReader.Normalization Property won't be supported, since
6 * it makes the parser non compliant to the XML recommendation
8 * See Copyright for the status of this software.
15 * - XML Schemas validation
20 #ifdef LIBXML_READER_ENABLED
21 #include <string.h> /* for memset() only ! */
31 #include <libxml/xmlmemory.h>
32 #include <libxml/xmlIO.h>
33 #include <libxml/xmlreader.h>
34 #include <libxml/parserInternals.h>
35 #ifdef LIBXML_SCHEMAS_ENABLED
36 #include <libxml/relaxng.h>
37 #include <libxml/xmlschemas.h>
39 #include <libxml/uri.h>
40 #ifdef LIBXML_XINCLUDE_ENABLED
41 #include <libxml/xinclude.h>
43 #ifdef LIBXML_PATTERN_ENABLED
44 #include <libxml/pattern.h>
47 #define MAX_ERR_MSG_SIZE 64000
50 * The following VA_COPY was coded following an example in
51 * the Samba project. It may not be sufficient for some
52 * esoteric implementations of va_list (i.e. it may need
53 * something involving a memcpy) but (hopefully) will be
54 * sufficient for libxml2.
58 #define VA_COPY(dest, src) va_copy(dest, src)
61 #define VA_COPY(dest,src) __va_copy(dest, src)
63 #define VA_COPY(dest,src) (dest) = (src)
68 /* #define DEBUG_CALLBACKS */
69 /* #define DEBUG_READER */
74 * macro to flag unimplemented blocks
77 xmlGenericError(xmlGenericErrorContext, \
78 "Unimplemented block at %s:%d\n", \
82 #define DUMP_READER xmlTextReaderDebug(reader);
87 #define CHUNK_SIZE 512
88 /************************************************************************
90 * The parser: maps the Text Reader API on top of the existing *
91 * parsing routines building a tree *
93 ************************************************************************/
95 #define XML_TEXTREADER_INPUT 1
96 #define XML_TEXTREADER_CTXT 2
99 XML_TEXTREADER_NONE = -1,
100 XML_TEXTREADER_START= 0,
101 XML_TEXTREADER_ELEMENT= 1,
102 XML_TEXTREADER_END= 2,
103 XML_TEXTREADER_EMPTY= 3,
104 XML_TEXTREADER_BACKTRACK= 4,
105 XML_TEXTREADER_DONE= 5,
106 XML_TEXTREADER_ERROR= 6
107 } xmlTextReaderState;
110 XML_TEXTREADER_NOT_VALIDATE = 0,
111 XML_TEXTREADER_VALIDATE_DTD = 1,
112 XML_TEXTREADER_VALIDATE_RNG = 2,
113 XML_TEXTREADER_VALIDATE_XSD = 4
114 } xmlTextReaderValidate;
116 struct _xmlTextReader {
117 int mode; /* the parsing mode */
118 xmlDocPtr doc; /* when walking an existing doc */
119 xmlTextReaderValidate validate;/* is there any validation */
120 int allocs; /* what structure were deallocated */
121 xmlTextReaderState state;
122 xmlParserCtxtPtr ctxt; /* the parser context */
123 xmlSAXHandlerPtr sax; /* the parser SAX callbacks */
124 xmlParserInputBufferPtr input; /* the input */
125 startElementSAXFunc startElement;/* initial SAX callbacks */
126 endElementSAXFunc endElement; /* idem */
127 startElementNsSAX2Func startElementNs;/* idem */
128 endElementNsSAX2Func endElementNs; /* idem */
129 charactersSAXFunc characters;
130 cdataBlockSAXFunc cdataBlock;
131 unsigned int base; /* base of the segment in the input */
132 unsigned int cur; /* current position in the input */
133 xmlNodePtr node; /* current node */
134 xmlNodePtr curnode;/* current attribute node */
135 int depth; /* depth of the current node */
136 xmlNodePtr faketext;/* fake xmlNs chld */
137 int preserve;/* preserve the resulting document */
138 xmlBufferPtr buffer; /* used to return const xmlChar * */
139 xmlDictPtr dict; /* the context dictionnary */
141 /* entity stack when traversing entities content */
142 xmlNodePtr ent; /* Current Entity Ref Node */
143 int entNr; /* Depth of the entities stack */
144 int entMax; /* Max depth of the entities stack */
145 xmlNodePtr *entTab; /* array of entities */
148 xmlTextReaderErrorFunc errorFunc; /* callback function */
149 void *errorFuncArg; /* callback function user argument */
151 #ifdef LIBXML_SCHEMAS_ENABLED
152 /* Handling of RelaxNG validation */
153 xmlRelaxNGPtr rngSchemas; /* The Relax NG schemas */
154 xmlRelaxNGValidCtxtPtr rngValidCtxt;/* The Relax NG validation context */
155 int rngPreserveCtxt; /* 1 if the context was provided by the user */
156 int rngValidErrors;/* The number of errors detected */
157 xmlNodePtr rngFullNode; /* the node if RNG not progressive */
158 /* Handling of Schemas validation */
159 xmlSchemaPtr xsdSchemas; /* The Schemas schemas */
160 xmlSchemaValidCtxtPtr xsdValidCtxt;/* The Schemas validation context */
161 int xsdPreserveCtxt; /* 1 if the context was provided by the user */
162 int xsdValidErrors;/* The number of errors detected */
163 xmlSchemaSAXPlugPtr xsdPlug; /* the schemas plug in SAX pipeline */
165 #ifdef LIBXML_XINCLUDE_ENABLED
166 /* Handling of XInclude processing */
167 int xinclude; /* is xinclude asked for */
168 const xmlChar * xinclude_name; /* the xinclude name from dict */
169 xmlXIncludeCtxtPtr xincctxt; /* the xinclude context */
170 int in_xinclude; /* counts for xinclude */
172 #ifdef LIBXML_PATTERN_ENABLED
173 int patternNr; /* number of preserve patterns */
174 int patternMax; /* max preserve patterns */
175 xmlPatternPtr *patternTab; /* array of preserve patterns */
177 int preserves; /* level of preserves */
178 int parserFlags; /* the set of options set */
179 /* Structured error handling */
180 xmlStructuredErrorFunc sErrorFunc; /* callback function */
183 #define NODE_IS_EMPTY 0x1
184 #define NODE_IS_PRESERVED 0x2
185 #define NODE_IS_SPRESERVED 0x4
190 * Macro used to return an interned string
192 #define CONSTSTR(str) xmlDictLookup(reader->dict, (str), -1)
193 #define CONSTQSTR(p, str) xmlDictQLookup(reader->dict, (p), (str))
195 static int xmlTextReaderReadTree(xmlTextReaderPtr reader);
196 static int xmlTextReaderNextTree(xmlTextReaderPtr reader);
198 /************************************************************************
200 * Our own version of the freeing routines as we recycle nodes *
202 ************************************************************************/
207 * Free a string if it is not owned by the "dict" dictionnary in the
210 #define DICT_FREE(str) \
211 if ((str) && ((!dict) || \
212 (xmlDictOwns(dict, (const xmlChar *)(str)) == 0))) \
213 xmlFree((char *)(str));
215 static void xmlTextReaderFreeNode(xmlTextReaderPtr reader, xmlNodePtr cur);
216 static void xmlTextReaderFreeNodeList(xmlTextReaderPtr reader, xmlNodePtr cur);
222 * Deallocate the memory used by an id definition
225 xmlFreeID(xmlIDPtr id) {
226 xmlDictPtr dict = NULL;
228 if (id == NULL) return;
231 dict = id->doc->dict;
233 if (id->value != NULL)
239 * xmlTextReaderRemoveID:
241 * @attr: the attribute
243 * Remove the given attribute from the ID table maintained internally.
245 * Returns -1 if the lookup failed and 0 otherwise
248 xmlTextReaderRemoveID(xmlDocPtr doc, xmlAttrPtr attr) {
253 if (doc == NULL) return(-1);
254 if (attr == NULL) return(-1);
255 table = (xmlIDTablePtr) doc->ids;
259 ID = xmlNodeListGetString(doc, attr->children, 1);
262 id = xmlHashLookup(table, ID);
264 if (id == NULL || id->attr != attr) {
267 id->name = attr->name;
273 * xmlTextReaderFreeProp:
274 * @reader: the xmlTextReaderPtr used
280 xmlTextReaderFreeProp(xmlTextReaderPtr reader, xmlAttrPtr cur) {
283 dict = reader->ctxt->dict;
284 if (cur == NULL) return;
286 if ((__xmlRegisterCallbacks) && (xmlDeregisterNodeDefaultValue))
287 xmlDeregisterNodeDefaultValue((xmlNodePtr) cur);
289 /* Check for ID removal -> leading to invalid references ! */
290 if ((cur->parent != NULL) && (cur->parent->doc != NULL) &&
291 ((cur->parent->doc->intSubset != NULL) ||
292 (cur->parent->doc->extSubset != NULL))) {
293 if (xmlIsID(cur->parent->doc, cur->parent, cur))
294 xmlTextReaderRemoveID(cur->parent->doc, cur);
296 if (cur->children != NULL)
297 xmlTextReaderFreeNodeList(reader, cur->children);
299 DICT_FREE(cur->name);
300 if ((reader != NULL) && (reader->ctxt != NULL) &&
301 (reader->ctxt->freeAttrsNr < 100)) {
302 cur->next = reader->ctxt->freeAttrs;
303 reader->ctxt->freeAttrs = cur;
304 reader->ctxt->freeAttrsNr++;
311 * xmlTextReaderFreePropList:
312 * @reader: the xmlTextReaderPtr used
313 * @cur: the first property in the list
315 * Free a property and all its siblings, all the children are freed too.
318 xmlTextReaderFreePropList(xmlTextReaderPtr reader, xmlAttrPtr cur) {
320 if (cur == NULL) return;
321 while (cur != NULL) {
323 xmlTextReaderFreeProp(reader, cur);
329 * xmlTextReaderFreeNodeList:
330 * @reader: the xmlTextReaderPtr used
331 * @cur: the first node in the list
333 * Free a node and all its siblings, this is a recursive behaviour, all
334 * the children are freed too.
337 xmlTextReaderFreeNodeList(xmlTextReaderPtr reader, xmlNodePtr cur) {
341 dict = reader->ctxt->dict;
342 if (cur == NULL) return;
343 if (cur->type == XML_NAMESPACE_DECL) {
344 xmlFreeNsList((xmlNsPtr) cur);
347 if ((cur->type == XML_DOCUMENT_NODE) ||
348 (cur->type == XML_HTML_DOCUMENT_NODE)) {
349 xmlFreeDoc((xmlDocPtr) cur);
352 while (cur != NULL) {
354 /* unroll to speed up freeing the document */
355 if (cur->type != XML_DTD_NODE) {
357 if ((cur->children != NULL) &&
358 (cur->type != XML_ENTITY_REF_NODE)) {
359 if (cur->children->parent == cur)
360 xmlTextReaderFreeNodeList(reader, cur->children);
361 cur->children = NULL;
364 if ((__xmlRegisterCallbacks) && (xmlDeregisterNodeDefaultValue))
365 xmlDeregisterNodeDefaultValue(cur);
367 if (((cur->type == XML_ELEMENT_NODE) ||
368 (cur->type == XML_XINCLUDE_START) ||
369 (cur->type == XML_XINCLUDE_END)) &&
370 (cur->properties != NULL))
371 xmlTextReaderFreePropList(reader, cur->properties);
372 if ((cur->content != (xmlChar *) &(cur->properties)) &&
373 (cur->type != XML_ELEMENT_NODE) &&
374 (cur->type != XML_XINCLUDE_START) &&
375 (cur->type != XML_XINCLUDE_END) &&
376 (cur->type != XML_ENTITY_REF_NODE)) {
377 DICT_FREE(cur->content);
379 if (((cur->type == XML_ELEMENT_NODE) ||
380 (cur->type == XML_XINCLUDE_START) ||
381 (cur->type == XML_XINCLUDE_END)) &&
382 (cur->nsDef != NULL))
383 xmlFreeNsList(cur->nsDef);
386 * we don't free element names here they are interned now
388 if ((cur->type != XML_TEXT_NODE) &&
389 (cur->type != XML_COMMENT_NODE))
390 DICT_FREE(cur->name);
391 if (((cur->type == XML_ELEMENT_NODE) ||
392 (cur->type == XML_TEXT_NODE)) &&
393 (reader != NULL) && (reader->ctxt != NULL) &&
394 (reader->ctxt->freeElemsNr < 100)) {
395 cur->next = reader->ctxt->freeElems;
396 reader->ctxt->freeElems = cur;
397 reader->ctxt->freeElemsNr++;
407 * xmlTextReaderFreeNode:
408 * @reader: the xmlTextReaderPtr used
411 * Free a node, this is a recursive behaviour, all the children are freed too.
412 * This doesn't unlink the child from the list, use xmlUnlinkNode() first.
415 xmlTextReaderFreeNode(xmlTextReaderPtr reader, xmlNodePtr cur) {
418 dict = reader->ctxt->dict;
419 if (cur->type == XML_DTD_NODE) {
420 xmlFreeDtd((xmlDtdPtr) cur);
423 if (cur->type == XML_NAMESPACE_DECL) {
424 xmlFreeNs((xmlNsPtr) cur);
427 if (cur->type == XML_ATTRIBUTE_NODE) {
428 xmlTextReaderFreeProp(reader, (xmlAttrPtr) cur);
432 if ((cur->children != NULL) &&
433 (cur->type != XML_ENTITY_REF_NODE)) {
434 if (cur->children->parent == cur)
435 xmlTextReaderFreeNodeList(reader, cur->children);
436 cur->children = NULL;
439 if ((__xmlRegisterCallbacks) && (xmlDeregisterNodeDefaultValue))
440 xmlDeregisterNodeDefaultValue(cur);
442 if (((cur->type == XML_ELEMENT_NODE) ||
443 (cur->type == XML_XINCLUDE_START) ||
444 (cur->type == XML_XINCLUDE_END)) &&
445 (cur->properties != NULL))
446 xmlTextReaderFreePropList(reader, cur->properties);
447 if ((cur->content != (xmlChar *) &(cur->properties)) &&
448 (cur->type != XML_ELEMENT_NODE) &&
449 (cur->type != XML_XINCLUDE_START) &&
450 (cur->type != XML_XINCLUDE_END) &&
451 (cur->type != XML_ENTITY_REF_NODE)) {
452 DICT_FREE(cur->content);
454 if (((cur->type == XML_ELEMENT_NODE) ||
455 (cur->type == XML_XINCLUDE_START) ||
456 (cur->type == XML_XINCLUDE_END)) &&
457 (cur->nsDef != NULL))
458 xmlFreeNsList(cur->nsDef);
461 * we don't free names here they are interned now
463 if ((cur->type != XML_TEXT_NODE) &&
464 (cur->type != XML_COMMENT_NODE))
465 DICT_FREE(cur->name);
467 if (((cur->type == XML_ELEMENT_NODE) ||
468 (cur->type == XML_TEXT_NODE)) &&
469 (reader != NULL) && (reader->ctxt != NULL) &&
470 (reader->ctxt->freeElemsNr < 100)) {
471 cur->next = reader->ctxt->freeElems;
472 reader->ctxt->freeElems = cur;
473 reader->ctxt->freeElemsNr++;
480 * xmlTextReaderFreeIDTable:
481 * @table: An id table
483 * Deallocate the memory used by an ID hash table.
486 xmlTextReaderFreeIDTable(xmlIDTablePtr table) {
487 xmlHashFree(table, (xmlHashDeallocator) xmlFreeID);
491 * xmlTextReaderFreeDoc:
492 * @reader: the xmlTextReaderPtr used
493 * @cur: pointer to the document
495 * Free up all the structures used by a document, tree included.
498 xmlTextReaderFreeDoc(xmlTextReaderPtr reader, xmlDocPtr cur) {
499 xmlDtdPtr extSubset, intSubset;
501 if (cur == NULL) return;
503 if ((__xmlRegisterCallbacks) && (xmlDeregisterNodeDefaultValue))
504 xmlDeregisterNodeDefaultValue((xmlNodePtr) cur);
507 * Do this before freeing the children list to avoid ID lookups
509 if (cur->ids != NULL) xmlTextReaderFreeIDTable((xmlIDTablePtr) cur->ids);
511 if (cur->refs != NULL) xmlFreeRefTable((xmlRefTablePtr) cur->refs);
513 extSubset = cur->extSubset;
514 intSubset = cur->intSubset;
515 if (intSubset == extSubset)
517 if (extSubset != NULL) {
518 xmlUnlinkNode((xmlNodePtr) cur->extSubset);
519 cur->extSubset = NULL;
520 xmlFreeDtd(extSubset);
522 if (intSubset != NULL) {
523 xmlUnlinkNode((xmlNodePtr) cur->intSubset);
524 cur->intSubset = NULL;
525 xmlFreeDtd(intSubset);
528 if (cur->children != NULL) xmlTextReaderFreeNodeList(reader, cur->children);
530 if (cur->version != NULL) xmlFree((char *) cur->version);
531 if (cur->name != NULL) xmlFree((char *) cur->name);
532 if (cur->encoding != NULL) xmlFree((char *) cur->encoding);
533 if (cur->oldNs != NULL) xmlFreeNsList(cur->oldNs);
534 if (cur->URL != NULL) xmlFree((char *) cur->URL);
535 if (cur->dict != NULL) xmlDictFree(cur->dict);
540 /************************************************************************
542 * The reader core parser *
544 ************************************************************************/
547 xmlTextReaderDebug(xmlTextReaderPtr reader) {
548 if ((reader == NULL) || (reader->ctxt == NULL)) {
549 fprintf(stderr, "xmlTextReader NULL\n");
552 fprintf(stderr, "xmlTextReader: state %d depth %d ",
553 reader->state, reader->depth);
554 if (reader->node == NULL) {
555 fprintf(stderr, "node = NULL\n");
557 fprintf(stderr, "node %s\n", reader->node->name);
559 fprintf(stderr, " input: base %d, cur %d, depth %d: ",
560 reader->base, reader->cur, reader->ctxt->nodeNr);
561 if (reader->input->buffer == NULL) {
562 fprintf(stderr, "buffer is NULL\n");
564 #ifdef LIBXML_DEBUG_ENABLED
565 xmlDebugDumpString(stderr,
566 &reader->input->buffer->content[reader->cur]);
568 fprintf(stderr, "\n");
574 * xmlTextReaderEntPush:
575 * @reader: the xmlTextReaderPtr used
576 * @value: the entity reference node
578 * Pushes a new entity reference node on top of the entities stack
580 * Returns 0 in case of error, the index in the stack otherwise
583 xmlTextReaderEntPush(xmlTextReaderPtr reader, xmlNodePtr value)
585 if (reader->entMax <= 0) {
587 reader->entTab = (xmlNodePtr *) xmlMalloc(reader->entMax *
588 sizeof(reader->entTab[0]));
589 if (reader->entTab == NULL) {
590 xmlGenericError(xmlGenericErrorContext, "xmlMalloc failed !\n");
594 if (reader->entNr >= reader->entMax) {
597 (xmlNodePtr *) xmlRealloc(reader->entTab,
599 sizeof(reader->entTab[0]));
600 if (reader->entTab == NULL) {
601 xmlGenericError(xmlGenericErrorContext, "xmlRealloc failed !\n");
605 reader->entTab[reader->entNr] = value;
607 return (reader->entNr++);
611 * xmlTextReaderEntPop:
612 * @reader: the xmlTextReaderPtr used
614 * Pops the top element entity from the entities stack
616 * Returns the entity just removed
619 xmlTextReaderEntPop(xmlTextReaderPtr reader)
623 if (reader->entNr <= 0)
626 if (reader->entNr > 0)
627 reader->ent = reader->entTab[reader->entNr - 1];
630 ret = reader->entTab[reader->entNr];
631 reader->entTab[reader->entNr] = NULL;
636 * xmlTextReaderStartElement:
637 * @ctx: the user data (XML parser context)
638 * @fullname: The element name, including namespace prefix
639 * @atts: An array of name/value attributes pairs, NULL terminated
641 * called when an opening tag has been processed.
644 xmlTextReaderStartElement(void *ctx, const xmlChar *fullname,
645 const xmlChar **atts) {
646 xmlParserCtxtPtr ctxt = (xmlParserCtxtPtr) ctx;
647 xmlTextReaderPtr reader = ctxt->_private;
649 #ifdef DEBUG_CALLBACKS
650 printf("xmlTextReaderStartElement(%s)\n", fullname);
652 if ((reader != NULL) && (reader->startElement != NULL)) {
653 reader->startElement(ctx, fullname, atts);
654 if ((ctxt->node != NULL) && (ctxt->input != NULL) &&
655 (ctxt->input->cur != NULL) && (ctxt->input->cur[0] == '/') &&
656 (ctxt->input->cur[1] == '>'))
657 ctxt->node->extra = NODE_IS_EMPTY;
660 reader->state = XML_TEXTREADER_ELEMENT;
664 * xmlTextReaderEndElement:
665 * @ctx: the user data (XML parser context)
666 * @fullname: The element name, including namespace prefix
668 * called when an ending tag has been processed.
671 xmlTextReaderEndElement(void *ctx, const xmlChar *fullname) {
672 xmlParserCtxtPtr ctxt = (xmlParserCtxtPtr) ctx;
673 xmlTextReaderPtr reader = ctxt->_private;
675 #ifdef DEBUG_CALLBACKS
676 printf("xmlTextReaderEndElement(%s)\n", fullname);
678 if ((reader != NULL) && (reader->endElement != NULL)) {
679 reader->endElement(ctx, fullname);
684 * xmlTextReaderStartElementNs:
685 * @ctx: the user data (XML parser context)
686 * @localname: the local name of the element
687 * @prefix: the element namespace prefix if available
688 * @URI: the element namespace name if available
689 * @nb_namespaces: number of namespace definitions on that node
690 * @namespaces: pointer to the array of prefix/URI pairs namespace definitions
691 * @nb_attributes: the number of attributes on that node
692 * nb_defaulted: the number of defaulted attributes.
693 * @attributes: pointer to the array of (localname/prefix/URI/value/end)
696 * called when an opening tag has been processed.
699 xmlTextReaderStartElementNs(void *ctx,
700 const xmlChar *localname,
701 const xmlChar *prefix,
704 const xmlChar **namespaces,
707 const xmlChar **attributes)
709 xmlParserCtxtPtr ctxt = (xmlParserCtxtPtr) ctx;
710 xmlTextReaderPtr reader = ctxt->_private;
712 #ifdef DEBUG_CALLBACKS
713 printf("xmlTextReaderStartElementNs(%s)\n", localname);
715 if ((reader != NULL) && (reader->startElementNs != NULL)) {
716 reader->startElementNs(ctx, localname, prefix, URI, nb_namespaces,
717 namespaces, nb_attributes, nb_defaulted,
719 if ((ctxt->node != NULL) && (ctxt->input != NULL) &&
720 (ctxt->input->cur != NULL) && (ctxt->input->cur[0] == '/') &&
721 (ctxt->input->cur[1] == '>'))
722 ctxt->node->extra = NODE_IS_EMPTY;
725 reader->state = XML_TEXTREADER_ELEMENT;
729 * xmlTextReaderEndElementNs:
730 * @ctx: the user data (XML parser context)
731 * @localname: the local name of the element
732 * @prefix: the element namespace prefix if available
733 * @URI: the element namespace name if available
735 * called when an ending tag has been processed.
738 xmlTextReaderEndElementNs(void *ctx,
739 const xmlChar * localname,
740 const xmlChar * prefix,
743 xmlParserCtxtPtr ctxt = (xmlParserCtxtPtr) ctx;
744 xmlTextReaderPtr reader = ctxt->_private;
746 #ifdef DEBUG_CALLBACKS
747 printf("xmlTextReaderEndElementNs(%s)\n", localname);
749 if ((reader != NULL) && (reader->endElementNs != NULL)) {
750 reader->endElementNs(ctx, localname, prefix, URI);
756 * xmlTextReaderCharacters:
757 * @ctx: the user data (XML parser context)
758 * @ch: a xmlChar string
759 * @len: the number of xmlChar
761 * receiving some chars from the parser.
764 xmlTextReaderCharacters(void *ctx, const xmlChar *ch, int len)
766 xmlParserCtxtPtr ctxt = (xmlParserCtxtPtr) ctx;
767 xmlTextReaderPtr reader = ctxt->_private;
769 #ifdef DEBUG_CALLBACKS
770 printf("xmlTextReaderCharacters()\n");
772 if ((reader != NULL) && (reader->characters != NULL)) {
773 reader->characters(ctx, ch, len);
778 * xmlTextReaderCDataBlock:
779 * @ctx: the user data (XML parser context)
780 * @value: The pcdata content
781 * @len: the block length
783 * called when a pcdata block has been parsed
786 xmlTextReaderCDataBlock(void *ctx, const xmlChar *ch, int len)
788 xmlParserCtxtPtr ctxt = (xmlParserCtxtPtr) ctx;
789 xmlTextReaderPtr reader = ctxt->_private;
791 #ifdef DEBUG_CALLBACKS
792 printf("xmlTextReaderCDataBlock()\n");
794 if ((reader != NULL) && (reader->cdataBlock != NULL)) {
795 reader->cdataBlock(ctx, ch, len);
800 * xmlTextReaderPushData:
801 * @reader: the xmlTextReaderPtr used
803 * Push data down the progressive parser until a significant callback
806 * Returns -1 in case of failure, 0 otherwise
809 xmlTextReaderPushData(xmlTextReaderPtr reader) {
812 xmlTextReaderState oldstate;
814 if ((reader->input == NULL) || (reader->input->buffer == NULL))
817 oldstate = reader->state;
818 reader->state = XML_TEXTREADER_NONE;
819 inbuf = reader->input->buffer;
821 while (reader->state == XML_TEXTREADER_NONE) {
822 if (inbuf->use < reader->cur + CHUNK_SIZE) {
824 * Refill the buffer unless we are at the end of the stream
826 if (reader->mode != XML_TEXTREADER_MODE_EOF) {
827 val = xmlParserInputBufferRead(reader->input, 4096);
829 (inbuf->alloc == XML_BUFFER_ALLOC_IMMUTABLE)) {
830 if (inbuf->use == reader->cur) {
831 reader->mode = XML_TEXTREADER_MODE_EOF;
832 reader->state = oldstate;
834 } else if (val < 0) {
835 reader->mode = XML_TEXTREADER_MODE_EOF;
836 reader->state = oldstate;
837 if ((oldstate != XML_TEXTREADER_START) ||
838 (reader->ctxt->myDoc != NULL))
840 } else if (val == 0) {
841 /* mark the end of the stream and process the remains */
842 reader->mode = XML_TEXTREADER_MODE_EOF;
850 * parse by block of CHUNK_SIZE bytes, various tests show that
851 * it's the best tradeoff at least on a 1.2GH Duron
853 if (inbuf->use >= reader->cur + CHUNK_SIZE) {
854 val = xmlParseChunk(reader->ctxt,
855 (const char *) &inbuf->content[reader->cur],
857 reader->cur += CHUNK_SIZE;
859 reader->ctxt->wellFormed = 0;
860 if (reader->ctxt->wellFormed == 0)
863 s = inbuf->use - reader->cur;
864 val = xmlParseChunk(reader->ctxt,
865 (const char *) &inbuf->content[reader->cur],
869 reader->ctxt->wellFormed = 0;
875 * Discard the consumed input when needed and possible
877 if (reader->mode == XML_TEXTREADER_MODE_INTERACTIVE) {
878 if (inbuf->alloc != XML_BUFFER_ALLOC_IMMUTABLE) {
879 if ((reader->cur >= 4096) &&
880 (inbuf->use - reader->cur <= CHUNK_SIZE)) {
881 val = xmlBufferShrink(inbuf, reader->cur);
890 * At the end of the stream signal that the work is done to the Push
893 else if (reader->mode == XML_TEXTREADER_MODE_EOF) {
894 if (reader->state != XML_TEXTREADER_DONE) {
895 s = inbuf->use - reader->cur;
896 val = xmlParseChunk(reader->ctxt,
897 (const char *) &inbuf->content[reader->cur],
899 reader->cur = inbuf->use;
900 reader->state = XML_TEXTREADER_DONE;
902 if (reader->ctxt->wellFormed)
903 reader->ctxt->wellFormed = 0;
909 reader->state = oldstate;
910 if (reader->ctxt->wellFormed == 0)
911 reader->mode = XML_TEXTREADER_MODE_EOF;
915 #ifdef LIBXML_REGEXP_ENABLED
917 * xmlTextReaderValidatePush:
918 * @reader: the xmlTextReaderPtr used
920 * Push the current node for validation
923 xmlTextReaderValidatePush(xmlTextReaderPtr reader ATTRIBUTE_UNUSED) {
924 xmlNodePtr node = reader->node;
926 #ifdef LIBXML_VALID_ENABLED
927 if ((reader->validate == XML_TEXTREADER_VALIDATE_DTD) &&
928 (reader->ctxt != NULL) && (reader->ctxt->validate == 1)) {
929 if ((node->ns == NULL) || (node->ns->prefix == NULL)) {
930 reader->ctxt->valid &= xmlValidatePushElement(&reader->ctxt->vctxt,
931 reader->ctxt->myDoc, node, node->name);
933 /* TODO use the BuildQName interface */
936 qname = xmlStrdup(node->ns->prefix);
937 qname = xmlStrcat(qname, BAD_CAST ":");
938 qname = xmlStrcat(qname, node->name);
939 reader->ctxt->valid &= xmlValidatePushElement(&reader->ctxt->vctxt,
940 reader->ctxt->myDoc, node, qname);
945 #endif /* LIBXML_VALID_ENABLED */
946 #ifdef LIBXML_SCHEMAS_ENABLED
947 if ((reader->validate == XML_TEXTREADER_VALIDATE_RNG) &&
948 (reader->rngValidCtxt != NULL)) {
951 if (reader->rngFullNode != NULL) return;
952 ret = xmlRelaxNGValidatePushElement(reader->rngValidCtxt,
957 * this element requires a full tree
959 node = xmlTextReaderExpand(reader);
961 printf("Expand failed !\n");
964 ret = xmlRelaxNGValidateFullElement(reader->rngValidCtxt,
967 reader->rngFullNode = node;
971 reader->rngValidErrors++;
977 * xmlTextReaderValidateCData:
978 * @reader: the xmlTextReaderPtr used
979 * @data: pointer to the CData
980 * @len: lenght of the CData block in bytes.
982 * Push some CData for validation
985 xmlTextReaderValidateCData(xmlTextReaderPtr reader,
986 const xmlChar *data, int len) {
987 #ifdef LIBXML_VALID_ENABLED
988 if ((reader->validate == XML_TEXTREADER_VALIDATE_DTD) &&
989 (reader->ctxt != NULL) && (reader->ctxt->validate == 1)) {
990 reader->ctxt->valid &= xmlValidatePushCData(&reader->ctxt->vctxt,
993 #endif /* LIBXML_VALID_ENABLED */
994 #ifdef LIBXML_SCHEMAS_ENABLED
995 if ((reader->validate == XML_TEXTREADER_VALIDATE_RNG) &&
996 (reader->rngValidCtxt != NULL)) {
999 if (reader->rngFullNode != NULL) return;
1000 ret = xmlRelaxNGValidatePushCData(reader->rngValidCtxt, data, len);
1002 reader->rngValidErrors++;
1008 * xmlTextReaderValidatePop:
1009 * @reader: the xmlTextReaderPtr used
1011 * Pop the current node from validation
1014 xmlTextReaderValidatePop(xmlTextReaderPtr reader) {
1015 xmlNodePtr node = reader->node;
1017 #ifdef LIBXML_VALID_ENABLED
1018 if ((reader->validate == XML_TEXTREADER_VALIDATE_DTD) &&
1019 (reader->ctxt != NULL) && (reader->ctxt->validate == 1)) {
1020 if ((node->ns == NULL) || (node->ns->prefix == NULL)) {
1021 reader->ctxt->valid &= xmlValidatePopElement(&reader->ctxt->vctxt,
1022 reader->ctxt->myDoc, node, node->name);
1024 /* TODO use the BuildQName interface */
1027 qname = xmlStrdup(node->ns->prefix);
1028 qname = xmlStrcat(qname, BAD_CAST ":");
1029 qname = xmlStrcat(qname, node->name);
1030 reader->ctxt->valid &= xmlValidatePopElement(&reader->ctxt->vctxt,
1031 reader->ctxt->myDoc, node, qname);
1036 #endif /* LIBXML_VALID_ENABLED */
1037 #ifdef LIBXML_SCHEMAS_ENABLED
1038 if ((reader->validate == XML_TEXTREADER_VALIDATE_RNG) &&
1039 (reader->rngValidCtxt != NULL)) {
1042 if (reader->rngFullNode != NULL) {
1043 if (node == reader->rngFullNode)
1044 reader->rngFullNode = NULL;
1047 ret = xmlRelaxNGValidatePopElement(reader->rngValidCtxt,
1048 reader->ctxt->myDoc,
1051 reader->rngValidErrors++;
1057 * xmlTextReaderValidateEntity:
1058 * @reader: the xmlTextReaderPtr used
1060 * Handle the validation when an entity reference is encountered and
1061 * entity substitution is not activated. As a result the parser interface
1062 * must walk through the entity and do the validation calls
1065 xmlTextReaderValidateEntity(xmlTextReaderPtr reader) {
1066 xmlNodePtr oldnode = reader->node;
1067 xmlNodePtr node = reader->node;
1068 xmlParserCtxtPtr ctxt = reader->ctxt;
1071 if (node->type == XML_ENTITY_REF_NODE) {
1073 * Case where the underlying tree is not availble, lookup the entity
1076 if ((node->children == NULL) && (ctxt->sax != NULL) &&
1077 (ctxt->sax->getEntity != NULL)) {
1078 node->children = (xmlNodePtr)
1079 ctxt->sax->getEntity(ctxt, node->name);
1082 if ((node->children != NULL) &&
1083 (node->children->type == XML_ENTITY_DECL) &&
1084 (node->children->children != NULL)) {
1085 xmlTextReaderEntPush(reader, node);
1086 node = node->children->children;
1090 * The error has probably be raised already.
1092 if (node == oldnode)
1096 #ifdef LIBXML_REGEXP_ENABLED
1097 } else if (node->type == XML_ELEMENT_NODE) {
1098 reader->node = node;
1099 xmlTextReaderValidatePush(reader);
1100 } else if ((node->type == XML_TEXT_NODE) ||
1101 (node->type == XML_CDATA_SECTION_NODE)) {
1102 xmlTextReaderValidateCData(reader, node->content,
1103 xmlStrlen(node->content));
1110 if (node->children != NULL) {
1111 node = node->children;
1113 } else if (node->type == XML_ELEMENT_NODE) {
1114 xmlTextReaderValidatePop(reader);
1116 if (node->next != NULL) {
1121 node = node->parent;
1122 if (node->type == XML_ELEMENT_NODE) {
1124 if (reader->entNr == 0) {
1125 while ((tmp = node->last) != NULL) {
1126 if ((tmp->extra & NODE_IS_PRESERVED) == 0) {
1128 xmlTextReaderFreeNode(reader, tmp);
1133 reader->node = node;
1134 xmlTextReaderValidatePop(reader);
1136 if ((node->type == XML_ENTITY_DECL) &&
1137 (reader->ent != NULL) && (reader->ent->children == node)) {
1138 node = xmlTextReaderEntPop(reader);
1140 if (node == oldnode)
1142 if (node->next != NULL) {
1146 } while ((node != NULL) && (node != oldnode));
1147 } while ((node != NULL) && (node != oldnode));
1148 reader->node = oldnode;
1150 #endif /* LIBXML_REGEXP_ENABLED */
1154 * xmlTextReaderGetSuccessor:
1155 * @cur: the current node
1157 * Get the successor of a node if available.
1159 * Returns the successor node or NULL
1162 xmlTextReaderGetSuccessor(xmlNodePtr cur) {
1163 if (cur == NULL) return(NULL) ; /* ERROR */
1164 if (cur->next != NULL) return(cur->next) ;
1167 if (cur == NULL) break;
1168 if (cur->next != NULL) return(cur->next);
1169 } while (cur != NULL);
1174 * xmlTextReaderDoExpand:
1175 * @reader: the xmlTextReaderPtr used
1177 * Makes sure that the current node is fully read as well as all its
1178 * descendant. It means the full DOM subtree must be available at the
1181 * Returns 1 if the node was expanded successfully, 0 if there is no more
1182 * nodes to read, or -1 in case of error
1185 xmlTextReaderDoExpand(xmlTextReaderPtr reader) {
1188 if ((reader == NULL) || (reader->node == NULL) || (reader->ctxt == NULL))
1191 if (reader->ctxt->instate == XML_PARSER_EOF) return(1);
1193 if (xmlTextReaderGetSuccessor(reader->node) != NULL)
1195 if (reader->ctxt->nodeNr < reader->depth)
1197 if (reader->mode == XML_TEXTREADER_MODE_EOF)
1199 val = xmlTextReaderPushData(reader);
1201 reader->mode = XML_TEXTREADER_MODE_ERROR;
1204 } while(reader->mode != XML_TEXTREADER_MODE_EOF);
1209 * xmlTextReaderCollectSiblings:
1210 * @node: the first child
1212 * Traverse depth-first through all sibling nodes and their children
1213 * nodes and concatenate their content. This is an auxiliary function
1214 * to xmlTextReaderReadString.
1216 * Returns a string containing the content, or NULL in case of error.
1219 xmlTextReaderCollectSiblings(xmlNodePtr node)
1221 xmlBufferPtr buffer;
1224 buffer = xmlBufferCreate();
1228 for ( ; node != NULL; node = node->next) {
1229 switch (node->type) {
1231 case XML_CDATA_SECTION_NODE:
1232 xmlBufferCat(buffer, node->content);
1234 case XML_ELEMENT_NODE: {
1237 tmp = xmlTextReaderCollectSiblings(node->children);
1238 xmlBufferCat(buffer, tmp);
1246 ret = buffer->content;
1247 buffer->content = NULL;
1248 xmlBufferFree(buffer);
1253 * xmlTextReaderRead:
1254 * @reader: the xmlTextReaderPtr used
1256 * Moves the position of the current instance to the next node in
1257 * the stream, exposing its properties.
1259 * Returns 1 if the node was read successfully, 0 if there is no more
1260 * nodes to read, or -1 in case of error
1263 xmlTextReaderRead(xmlTextReaderPtr reader) {
1264 int val, olddepth = 0;
1265 xmlTextReaderState oldstate = XML_TEXTREADER_START;
1266 xmlNodePtr oldnode = NULL;
1271 reader->curnode = NULL;
1272 if (reader->doc != NULL)
1273 return(xmlTextReaderReadTree(reader));
1274 if (reader->ctxt == NULL)
1278 fprintf(stderr, "\nREAD ");
1281 if (reader->mode == XML_TEXTREADER_MODE_INITIAL) {
1282 reader->mode = XML_TEXTREADER_MODE_INTERACTIVE;
1287 val = xmlTextReaderPushData(reader);
1289 reader->mode = XML_TEXTREADER_MODE_ERROR;
1290 reader->state = XML_TEXTREADER_ERROR;
1293 } while ((reader->ctxt->node == NULL) &&
1294 ((reader->mode != XML_TEXTREADER_MODE_EOF) &&
1295 (reader->state != XML_TEXTREADER_DONE)));
1296 if (reader->ctxt->node == NULL) {
1297 if (reader->ctxt->myDoc != NULL) {
1298 reader->node = reader->ctxt->myDoc->children;
1300 if (reader->node == NULL){
1301 reader->mode = XML_TEXTREADER_MODE_ERROR;
1302 reader->state = XML_TEXTREADER_ERROR;
1305 reader->state = XML_TEXTREADER_ELEMENT;
1307 if (reader->ctxt->myDoc != NULL) {
1308 reader->node = reader->ctxt->myDoc->children;
1310 if (reader->node == NULL)
1311 reader->node = reader->ctxt->nodeTab[0];
1312 reader->state = XML_TEXTREADER_ELEMENT;
1315 reader->ctxt->parseMode = XML_PARSE_READER;
1318 oldstate = reader->state;
1319 olddepth = reader->ctxt->nodeNr;
1320 oldnode = reader->node;
1323 if (reader->node == NULL) {
1324 if (reader->mode == XML_TEXTREADER_MODE_EOF)
1331 * If we are not backtracking on ancestors or examined nodes,
1332 * that the parser didn't finished or that we arent at the end
1333 * of stream, continue processing.
1335 while ((reader->node != NULL) && (reader->node->next == NULL) &&
1336 (reader->ctxt->nodeNr == olddepth) &&
1337 ((oldstate == XML_TEXTREADER_BACKTRACK) ||
1338 (reader->node->children == NULL) ||
1339 (reader->node->type == XML_ENTITY_REF_NODE) ||
1340 ((reader->node->children != NULL) &&
1341 (reader->node->children->type == XML_TEXT_NODE) &&
1342 (reader->node->children->next == NULL)) ||
1343 (reader->node->type == XML_DTD_NODE) ||
1344 (reader->node->type == XML_DOCUMENT_NODE) ||
1345 (reader->node->type == XML_HTML_DOCUMENT_NODE)) &&
1346 ((reader->ctxt->node == NULL) ||
1347 (reader->ctxt->node == reader->node) ||
1348 (reader->ctxt->node == reader->node->parent)) &&
1349 (reader->ctxt->instate != XML_PARSER_EOF)) {
1350 val = xmlTextReaderPushData(reader);
1352 reader->mode = XML_TEXTREADER_MODE_ERROR;
1353 reader->state = XML_TEXTREADER_ERROR;
1356 if (reader->node == NULL)
1359 if (oldstate != XML_TEXTREADER_BACKTRACK) {
1360 if ((reader->node->children != NULL) &&
1361 (reader->node->type != XML_ENTITY_REF_NODE) &&
1362 (reader->node->type != XML_XINCLUDE_START) &&
1363 (reader->node->type != XML_DTD_NODE)) {
1364 reader->node = reader->node->children;
1366 reader->state = XML_TEXTREADER_ELEMENT;
1370 if (reader->node->next != NULL) {
1371 if ((oldstate == XML_TEXTREADER_ELEMENT) &&
1372 (reader->node->type == XML_ELEMENT_NODE) &&
1373 (reader->node->children == NULL) &&
1374 ((reader->node->extra & NODE_IS_EMPTY) == 0)
1375 #ifdef LIBXML_XINCLUDE_ENABLED
1376 && (reader->in_xinclude <= 0)
1379 reader->state = XML_TEXTREADER_END;
1382 #ifdef LIBXML_REGEXP_ENABLED
1383 if ((reader->validate) &&
1384 (reader->node->type == XML_ELEMENT_NODE))
1385 xmlTextReaderValidatePop(reader);
1386 #endif /* LIBXML_REGEXP_ENABLED */
1387 if ((reader->preserves > 0) &&
1388 (reader->node->extra & NODE_IS_SPRESERVED))
1389 reader->preserves--;
1390 reader->node = reader->node->next;
1391 reader->state = XML_TEXTREADER_ELEMENT;
1394 * Cleanup of the old node
1396 if ((reader->preserves == 0) &&
1397 #ifdef LIBXML_XINCLUDE_ENABLED
1398 (reader->in_xinclude == 0) &&
1400 (reader->entNr == 0) &&
1401 (reader->node->prev != NULL) &&
1402 (reader->node->prev->type != XML_DTD_NODE) &&
1403 (reader->entNr == 0)) {
1404 xmlNodePtr tmp = reader->node->prev;
1405 if ((tmp->extra & NODE_IS_PRESERVED) == 0) {
1407 xmlTextReaderFreeNode(reader, tmp);
1413 if ((oldstate == XML_TEXTREADER_ELEMENT) &&
1414 (reader->node->type == XML_ELEMENT_NODE) &&
1415 (reader->node->children == NULL) &&
1416 ((reader->node->extra & NODE_IS_EMPTY) == 0)) {;
1417 reader->state = XML_TEXTREADER_END;
1420 #ifdef LIBXML_REGEXP_ENABLED
1421 if ((reader->validate) && (reader->node->type == XML_ELEMENT_NODE))
1422 xmlTextReaderValidatePop(reader);
1423 #endif /* LIBXML_REGEXP_ENABLED */
1424 if ((reader->preserves > 0) &&
1425 (reader->node->extra & NODE_IS_SPRESERVED))
1426 reader->preserves--;
1427 reader->node = reader->node->parent;
1428 if ((reader->node == NULL) ||
1429 (reader->node->type == XML_DOCUMENT_NODE) ||
1430 #ifdef LIBXML_DOCB_ENABLED
1431 (reader->node->type == XML_DOCB_DOCUMENT_NODE) ||
1433 (reader->node->type == XML_HTML_DOCUMENT_NODE)) {
1434 if (reader->mode != XML_TEXTREADER_MODE_EOF) {
1435 val = xmlParseChunk(reader->ctxt, "", 0, 1);
1436 reader->state = XML_TEXTREADER_DONE;
1440 reader->node = NULL;
1444 * Cleanup of the old node
1446 if ((oldnode != NULL) && (reader->preserves == 0) &&
1447 #ifdef LIBXML_XINCLUDE_ENABLED
1448 (reader->in_xinclude == 0) &&
1450 (reader->entNr == 0) &&
1451 (oldnode->type != XML_DTD_NODE) &&
1452 ((oldnode->extra & NODE_IS_PRESERVED) == 0) &&
1453 (reader->entNr == 0)) {
1454 xmlUnlinkNode(oldnode);
1455 xmlTextReaderFreeNode(reader, oldnode);
1460 if ((reader->preserves == 0) &&
1461 #ifdef LIBXML_XINCLUDE_ENABLED
1462 (reader->in_xinclude == 0) &&
1464 (reader->entNr == 0) &&
1465 (reader->node->last != NULL) &&
1466 ((reader->node->last->extra & NODE_IS_PRESERVED) == 0)) {
1467 xmlNodePtr tmp = reader->node->last;
1469 xmlTextReaderFreeNode(reader, tmp);
1472 reader->state = XML_TEXTREADER_BACKTRACK;
1478 * If we are in the middle of a piece of CDATA make sure it's finished
1480 if ((reader->node != NULL) &&
1481 (reader->node->next == NULL) &&
1482 ((reader->node->type == XML_TEXT_NODE) ||
1483 (reader->node->type == XML_CDATA_SECTION_NODE))) {
1484 if (xmlTextReaderExpand(reader) == NULL)
1488 #ifdef LIBXML_XINCLUDE_ENABLED
1490 * Handle XInclude if asked for
1492 if ((reader->xinclude) && (reader->node != NULL) &&
1493 (reader->node->type == XML_ELEMENT_NODE) &&
1494 (reader->node->ns != NULL) &&
1495 ((xmlStrEqual(reader->node->ns->href, XINCLUDE_NS)) ||
1496 (xmlStrEqual(reader->node->ns->href, XINCLUDE_OLD_NS)))) {
1497 if (reader->xincctxt == NULL) {
1498 reader->xincctxt = xmlXIncludeNewContext(reader->ctxt->myDoc);
1499 xmlXIncludeSetFlags(reader->xincctxt,
1500 reader->parserFlags & (~XML_PARSE_NOXINCNODE));
1503 * expand that node and process it
1505 if (xmlTextReaderExpand(reader) == NULL)
1507 xmlXIncludeProcessNode(reader->xincctxt, reader->node);
1509 if ((reader->node != NULL) && (reader->node->type == XML_XINCLUDE_START)) {
1510 reader->in_xinclude++;
1513 if ((reader->node != NULL) && (reader->node->type == XML_XINCLUDE_END)) {
1514 reader->in_xinclude--;
1519 * Handle entities enter and exit when in entity replacement mode
1521 if ((reader->node != NULL) &&
1522 (reader->node->type == XML_ENTITY_REF_NODE) &&
1523 (reader->ctxt != NULL) && (reader->ctxt->replaceEntities == 1)) {
1525 * Case where the underlying tree is not availble, lookup the entity
1528 if ((reader->node->children == NULL) && (reader->ctxt->sax != NULL) &&
1529 (reader->ctxt->sax->getEntity != NULL)) {
1530 reader->node->children = (xmlNodePtr)
1531 reader->ctxt->sax->getEntity(reader->ctxt, reader->node->name);
1534 if ((reader->node->children != NULL) &&
1535 (reader->node->children->type == XML_ENTITY_DECL) &&
1536 (reader->node->children->children != NULL)) {
1537 xmlTextReaderEntPush(reader, reader->node);
1538 reader->node = reader->node->children->children;
1540 #ifdef LIBXML_REGEXP_ENABLED
1541 } else if ((reader->node != NULL) &&
1542 (reader->node->type == XML_ENTITY_REF_NODE) &&
1543 (reader->ctxt != NULL) && (reader->validate)) {
1544 xmlTextReaderValidateEntity(reader);
1545 #endif /* LIBXML_REGEXP_ENABLED */
1547 if ((reader->node != NULL) &&
1548 (reader->node->type == XML_ENTITY_DECL) &&
1549 (reader->ent != NULL) && (reader->ent->children == reader->node)) {
1550 reader->node = xmlTextReaderEntPop(reader);
1554 #ifdef LIBXML_REGEXP_ENABLED
1555 if ((reader->validate) && (reader->node != NULL)) {
1556 xmlNodePtr node = reader->node;
1558 if ((node->type == XML_ELEMENT_NODE) &&
1559 ((reader->state != XML_TEXTREADER_END) &&
1560 (reader->state != XML_TEXTREADER_BACKTRACK))) {
1561 xmlTextReaderValidatePush(reader);
1562 } else if ((node->type == XML_TEXT_NODE) ||
1563 (node->type == XML_CDATA_SECTION_NODE)) {
1564 xmlTextReaderValidateCData(reader, node->content,
1565 xmlStrlen(node->content));
1568 #endif /* LIBXML_REGEXP_ENABLED */
1569 #ifdef LIBXML_PATTERN_ENABLED
1570 if ((reader->patternNr > 0) && (reader->state != XML_TEXTREADER_END) &&
1571 (reader->state != XML_TEXTREADER_BACKTRACK)) {
1573 for (i = 0;i < reader->patternNr;i++) {
1574 if (xmlPatternMatch(reader->patternTab[i], reader->node) == 1) {
1575 xmlTextReaderPreserve(reader);
1580 #endif /* LIBXML_PATTERN_ENABLED */
1581 #ifdef LIBXML_SCHEMAS_ENABLED
1582 if ((reader->validate == XML_TEXTREADER_VALIDATE_XSD) &&
1583 (reader->xsdValidErrors == 0) &&
1584 (reader->xsdValidCtxt != NULL)) {
1585 reader->xsdValidErrors = !xmlSchemaIsValid(reader->xsdValidCtxt);
1587 #endif /* LIBXML_PATTERN_ENABLED */
1590 reader->state = XML_TEXTREADER_DONE;
1595 * xmlTextReaderReadState:
1596 * @reader: the xmlTextReaderPtr used
1598 * Gets the read state of the reader.
1600 * Returns the state value, or -1 in case of error
1603 xmlTextReaderReadState(xmlTextReaderPtr reader) {
1606 return(reader->mode);
1610 * xmlTextReaderExpand:
1611 * @reader: the xmlTextReaderPtr used
1613 * Reads the contents of the current node and the full subtree. It then makes
1614 * the subtree available until the next xmlTextReaderRead() call
1616 * Returns a node pointer valid until the next xmlTextReaderRead() call
1617 * or NULL in case of error.
1620 xmlTextReaderExpand(xmlTextReaderPtr reader) {
1621 if ((reader == NULL) || (reader->node == NULL))
1623 if (reader->doc != NULL)
1624 return(reader->node);
1625 if (reader->ctxt == NULL)
1627 if (xmlTextReaderDoExpand(reader) < 0)
1629 return(reader->node);
1633 * xmlTextReaderNext:
1634 * @reader: the xmlTextReaderPtr used
1636 * Skip to the node following the current one in document order while
1637 * avoiding the subtree if any.
1639 * Returns 1 if the node was read successfully, 0 if there is no more
1640 * nodes to read, or -1 in case of error
1643 xmlTextReaderNext(xmlTextReaderPtr reader) {
1649 if (reader->doc != NULL)
1650 return(xmlTextReaderNextTree(reader));
1652 if ((cur == NULL) || (cur->type != XML_ELEMENT_NODE))
1653 return(xmlTextReaderRead(reader));
1654 if (reader->state == XML_TEXTREADER_END || reader->state == XML_TEXTREADER_BACKTRACK)
1655 return(xmlTextReaderRead(reader));
1656 if (cur->extra & NODE_IS_EMPTY)
1657 return(xmlTextReaderRead(reader));
1659 ret = xmlTextReaderRead(reader);
1662 } while (reader->node != cur);
1663 return(xmlTextReaderRead(reader));
1666 #ifdef LIBXML_WRITER_ENABLED
1668 * xmlTextReaderReadInnerXml:
1669 * @reader: the xmlTextReaderPtr used
1671 * Reads the contents of the current node, including child nodes and markup.
1673 * Returns a string containing the XML content, or NULL if the current node
1674 * is neither an element nor attribute, or has no child nodes. The
1675 * string must be deallocated by the caller.
1678 xmlTextReaderReadInnerXml(xmlTextReaderPtr reader ATTRIBUTE_UNUSED)
1681 xmlNodePtr node, cur_node;
1682 xmlBufferPtr buff, buff2;
1685 if (xmlTextReaderExpand(reader) == NULL) {
1689 buff = xmlBufferCreate();
1690 for (cur_node = reader->node->children; cur_node != NULL;
1691 cur_node = cur_node->next) {
1692 node = xmlDocCopyNode(cur_node, doc, 1);
1693 buff2 = xmlBufferCreate();
1694 if (xmlNodeDump(buff2, doc, node, 0, 0) == -1) {
1696 xmlBufferFree(buff2);
1697 xmlBufferFree(buff);
1700 xmlBufferCat(buff, buff2->content);
1702 xmlBufferFree(buff2);
1704 resbuf = buff->content;
1705 buff->content = NULL;
1707 xmlBufferFree(buff);
1712 #ifdef LIBXML_WRITER_ENABLED
1714 * xmlTextReaderReadOuterXml:
1715 * @reader: the xmlTextReaderPtr used
1717 * Reads the contents of the current node, including child nodes and markup.
1719 * Returns a string containing the node and any XML content, or NULL if the
1720 * current node cannot be serialized. The string must be deallocated
1724 xmlTextReaderReadOuterXml(xmlTextReaderPtr reader ATTRIBUTE_UNUSED)
1731 node = reader->node;
1733 if (xmlTextReaderExpand(reader) == NULL) {
1736 if (node->type == XML_DTD_NODE) {
1737 node = (xmlNodePtr) xmlCopyDtd((xmlDtdPtr) node);
1739 node = xmlDocCopyNode(node, doc, 1);
1741 buff = xmlBufferCreate();
1742 if (xmlNodeDump(buff, doc, node, 0, 0) == -1) {
1744 xmlBufferFree(buff);
1748 resbuf = buff->content;
1749 buff->content = NULL;
1752 xmlBufferFree(buff);
1758 * xmlTextReaderReadString:
1759 * @reader: the xmlTextReaderPtr used
1761 * Reads the contents of an element or a text node as a string.
1763 * Returns a string containing the contents of the Element or Text node,
1764 * or NULL if the reader is positioned on any other type of node.
1765 * The string must be deallocated by the caller.
1768 xmlTextReaderReadString(xmlTextReaderPtr reader)
1772 if ((reader == NULL) || (reader->node == NULL))
1775 node = (reader->curnode != NULL) ? reader->curnode : reader->node;
1776 switch (node->type) {
1778 if (node->content != NULL)
1779 return(xmlStrdup(node->content));
1781 case XML_ELEMENT_NODE:
1782 if (xmlTextReaderDoExpand(reader) != -1) {
1783 return xmlTextReaderCollectSiblings(node->children);
1785 case XML_ATTRIBUTE_NODE:
1796 * xmlTextReaderReadBase64:
1797 * @reader: the xmlTextReaderPtr used
1798 * @array: a byte array to store the content.
1799 * @offset: the zero-based index into array where the method should
1801 * @len: the number of bytes to write.
1803 * Reads and decodes the Base64 encoded contents of an element and
1804 * stores the result in a byte buffer.
1806 * Returns the number of bytes written to array, or zero if the current
1807 * instance is not positioned on an element or -1 in case of error.
1810 xmlTextReaderReadBase64(xmlTextReaderPtr reader,
1811 unsigned char *array ATTRIBUTE_UNUSED,
1812 int offset ATTRIBUTE_UNUSED,
1813 int len ATTRIBUTE_UNUSED) {
1814 if ((reader == NULL) || (reader->ctxt == NULL))
1816 if (reader->ctxt->wellFormed != 1)
1819 if ((reader->node == NULL) || (reader->node->type == XML_ELEMENT_NODE))
1826 * xmlTextReaderReadBinHex:
1827 * @reader: the xmlTextReaderPtr used
1828 * @array: a byte array to store the content.
1829 * @offset: the zero-based index into array where the method should
1831 * @len: the number of bytes to write.
1833 * Reads and decodes the BinHex encoded contents of an element and
1834 * stores the result in a byte buffer.
1836 * Returns the number of bytes written to array, or zero if the current
1837 * instance is not positioned on an element or -1 in case of error.
1840 xmlTextReaderReadBinHex(xmlTextReaderPtr reader,
1841 unsigned char *array ATTRIBUTE_UNUSED,
1842 int offset ATTRIBUTE_UNUSED,
1843 int len ATTRIBUTE_UNUSED) {
1844 if ((reader == NULL) || (reader->ctxt == NULL))
1846 if (reader->ctxt->wellFormed != 1)
1849 if ((reader->node == NULL) || (reader->node->type == XML_ELEMENT_NODE))
1856 /************************************************************************
1858 * Operating on a preparsed tree *
1860 ************************************************************************/
1862 xmlTextReaderNextTree(xmlTextReaderPtr reader)
1867 if (reader->state == XML_TEXTREADER_END)
1870 if (reader->node == NULL) {
1871 if (reader->doc->children == NULL) {
1872 reader->state = XML_TEXTREADER_END;
1876 reader->node = reader->doc->children;
1877 reader->state = XML_TEXTREADER_START;
1881 if (reader->state != XML_TEXTREADER_BACKTRACK) {
1882 /* Here removed traversal to child, because we want to skip the subtree,
1883 replace with traversal to sibling to skip subtree */
1884 if (reader->node->next != 0) {
1885 /* Move to sibling if present,skipping sub-tree */
1886 reader->node = reader->node->next;
1887 reader->state = XML_TEXTREADER_START;
1891 /* if reader->node->next is NULL mean no subtree for current node,
1892 so need to move to sibling of parent node if present */
1893 if ((reader->node->type == XML_ELEMENT_NODE) ||
1894 (reader->node->type == XML_ATTRIBUTE_NODE)) {
1895 reader->state = XML_TEXTREADER_BACKTRACK;
1896 /* This will move to parent if present */
1897 xmlTextReaderRead(reader);
1901 if (reader->node->next != 0) {
1902 reader->node = reader->node->next;
1903 reader->state = XML_TEXTREADER_START;
1907 if (reader->node->parent != 0) {
1908 if (reader->node->parent->type == XML_DOCUMENT_NODE) {
1909 reader->state = XML_TEXTREADER_END;
1913 reader->node = reader->node->parent;
1915 reader->state = XML_TEXTREADER_BACKTRACK;
1916 /* Repeat process to move to sibling of parent node if present */
1917 xmlTextReaderNextTree(reader);
1920 reader->state = XML_TEXTREADER_END;
1926 * xmlTextReaderReadTree:
1927 * @reader: the xmlTextReaderPtr used
1929 * Moves the position of the current instance to the next node in
1930 * the stream, exposing its properties.
1932 * Returns 1 if the node was read successfully, 0 if there is no more
1933 * nodes to read, or -1 in case of error
1936 xmlTextReaderReadTree(xmlTextReaderPtr reader) {
1937 if (reader->state == XML_TEXTREADER_END)
1941 if (reader->node == NULL) {
1942 if (reader->doc->children == NULL) {
1943 reader->state = XML_TEXTREADER_END;
1947 reader->node = reader->doc->children;
1948 reader->state = XML_TEXTREADER_START;
1952 if ((reader->state != XML_TEXTREADER_BACKTRACK) &&
1953 (reader->node->type != XML_DTD_NODE) &&
1954 (reader->node->type != XML_XINCLUDE_START) &&
1955 (reader->node->type != XML_ENTITY_REF_NODE)) {
1956 if (reader->node->children != NULL) {
1957 reader->node = reader->node->children;
1959 reader->state = XML_TEXTREADER_START;
1963 if (reader->node->type == XML_ATTRIBUTE_NODE) {
1964 reader->state = XML_TEXTREADER_BACKTRACK;
1969 if (reader->node->next != NULL) {
1970 reader->node = reader->node->next;
1971 reader->state = XML_TEXTREADER_START;
1975 if (reader->node->parent != NULL) {
1976 if ((reader->node->parent->type == XML_DOCUMENT_NODE) ||
1977 (reader->node->parent->type == XML_HTML_DOCUMENT_NODE)) {
1978 reader->state = XML_TEXTREADER_END;
1982 reader->node = reader->node->parent;
1984 reader->state = XML_TEXTREADER_BACKTRACK;
1988 reader->state = XML_TEXTREADER_END;
1991 if ((reader->node->type == XML_XINCLUDE_START) ||
1992 (reader->node->type == XML_XINCLUDE_END))
1999 * xmlTextReaderNextSibling:
2000 * @reader: the xmlTextReaderPtr used
2002 * Skip to the node following the current one in document order while
2003 * avoiding the subtree if any.
2004 * Currently implemented only for Readers built on a document
2006 * Returns 1 if the node was read successfully, 0 if there is no more
2007 * nodes to read, or -1 in case of error
2010 xmlTextReaderNextSibling(xmlTextReaderPtr reader) {
2013 if (reader->doc == NULL) {
2018 if (reader->state == XML_TEXTREADER_END)
2021 if (reader->node == NULL)
2022 return(xmlTextReaderNextTree(reader));
2024 if (reader->node->next != NULL) {
2025 reader->node = reader->node->next;
2026 reader->state = XML_TEXTREADER_START;
2033 /************************************************************************
2035 * Constructor and destructors *
2037 ************************************************************************/
2040 * @input: the xmlParserInputBufferPtr used to read data
2041 * @URI: the URI information for the source if available
2043 * Create an xmlTextReader structure fed with @input
2045 * Returns the new xmlTextReaderPtr or NULL in case of error
2048 xmlNewTextReader(xmlParserInputBufferPtr input, const char *URI) {
2049 xmlTextReaderPtr ret;
2053 ret = xmlMalloc(sizeof(xmlTextReader));
2055 xmlGenericError(xmlGenericErrorContext,
2056 "xmlNewTextReader : malloc failed\n");
2059 memset(ret, 0, sizeof(xmlTextReader));
2065 ret->buffer = xmlBufferCreateSize(100);
2066 if (ret->buffer == NULL) {
2068 xmlGenericError(xmlGenericErrorContext,
2069 "xmlNewTextReader : malloc failed\n");
2072 ret->sax = (xmlSAXHandler *) xmlMalloc(sizeof(xmlSAXHandler));
2073 if (ret->sax == NULL) {
2074 xmlBufferFree(ret->buffer);
2076 xmlGenericError(xmlGenericErrorContext,
2077 "xmlNewTextReader : malloc failed\n");
2080 xmlSAXVersion(ret->sax, 2);
2081 ret->startElement = ret->sax->startElement;
2082 ret->sax->startElement = xmlTextReaderStartElement;
2083 ret->endElement = ret->sax->endElement;
2084 ret->sax->endElement = xmlTextReaderEndElement;
2085 #ifdef LIBXML_SAX1_ENABLED
2086 if (ret->sax->initialized == XML_SAX2_MAGIC) {
2087 #endif /* LIBXML_SAX1_ENABLED */
2088 ret->startElementNs = ret->sax->startElementNs;
2089 ret->sax->startElementNs = xmlTextReaderStartElementNs;
2090 ret->endElementNs = ret->sax->endElementNs;
2091 ret->sax->endElementNs = xmlTextReaderEndElementNs;
2092 #ifdef LIBXML_SAX1_ENABLED
2094 ret->startElementNs = NULL;
2095 ret->endElementNs = NULL;
2097 #endif /* LIBXML_SAX1_ENABLED */
2098 ret->characters = ret->sax->characters;
2099 ret->sax->characters = xmlTextReaderCharacters;
2100 ret->sax->ignorableWhitespace = xmlTextReaderCharacters;
2101 ret->cdataBlock = ret->sax->cdataBlock;
2102 ret->sax->cdataBlock = xmlTextReaderCDataBlock;
2104 ret->mode = XML_TEXTREADER_MODE_INITIAL;
2106 ret->curnode = NULL;
2107 if (ret->input->buffer->use < 4) {
2108 xmlParserInputBufferRead(input, 4);
2110 if (ret->input->buffer->use >= 4) {
2111 ret->ctxt = xmlCreatePushParserCtxt(ret->sax, NULL,
2112 (const char *) ret->input->buffer->content, 4, URI);
2116 ret->ctxt = xmlCreatePushParserCtxt(ret->sax, NULL, NULL, 0, URI);
2121 if (ret->ctxt == NULL) {
2122 xmlGenericError(xmlGenericErrorContext,
2123 "xmlNewTextReader : malloc failed\n");
2124 xmlBufferFree(ret->buffer);
2129 ret->ctxt->parseMode = XML_PARSE_READER;
2130 ret->ctxt->_private = ret;
2131 ret->ctxt->linenumbers = 1;
2132 ret->ctxt->dictNames = 1;
2133 ret->allocs = XML_TEXTREADER_CTXT;
2135 * use the parser dictionnary to allocate all elements and attributes names
2137 ret->ctxt->docdict = 1;
2138 ret->dict = ret->ctxt->dict;
2139 #ifdef LIBXML_XINCLUDE_ENABLED
2142 #ifdef LIBXML_PATTERN_ENABLED
2143 ret->patternMax = 0;
2144 ret->patternTab = NULL;
2150 * xmlNewTextReaderFilename:
2151 * @URI: the URI of the resource to process
2153 * Create an xmlTextReader structure fed with the resource at @URI
2155 * Returns the new xmlTextReaderPtr or NULL in case of error
2158 xmlNewTextReaderFilename(const char *URI) {
2159 xmlParserInputBufferPtr input;
2160 xmlTextReaderPtr ret;
2161 char *directory = NULL;
2163 input = xmlParserInputBufferCreateFilename(URI, XML_CHAR_ENCODING_NONE);
2166 ret = xmlNewTextReader(input, URI);
2168 xmlFreeParserInputBuffer(input);
2171 ret->allocs |= XML_TEXTREADER_INPUT;
2172 if (ret->ctxt->directory == NULL)
2173 directory = xmlParserGetDirectory(URI);
2174 if ((ret->ctxt->directory == NULL) && (directory != NULL))
2175 ret->ctxt->directory = (char *) xmlStrdup((xmlChar *) directory);
2176 if (directory != NULL)
2182 * xmlFreeTextReader:
2183 * @reader: the xmlTextReaderPtr
2185 * Deallocate all the resources associated to the reader
2188 xmlFreeTextReader(xmlTextReaderPtr reader) {
2191 #ifdef LIBXML_SCHEMAS_ENABLED
2192 if (reader->rngSchemas != NULL) {
2193 xmlRelaxNGFree(reader->rngSchemas);
2194 reader->rngSchemas = NULL;
2196 if (reader->rngValidCtxt != NULL) {
2197 if (! reader->rngPreserveCtxt)
2198 xmlRelaxNGFreeValidCtxt(reader->rngValidCtxt);
2199 reader->rngValidCtxt = NULL;
2201 if (reader->xsdPlug != NULL) {
2202 xmlSchemaSAXUnplug(reader->xsdPlug);
2203 reader->xsdPlug = NULL;
2205 if (reader->xsdValidCtxt != NULL) {
2206 if (! reader->xsdPreserveCtxt)
2207 xmlSchemaFreeValidCtxt(reader->xsdValidCtxt);
2208 reader->xsdValidCtxt = NULL;
2210 if (reader->xsdSchemas != NULL) {
2211 xmlSchemaFree(reader->xsdSchemas);
2212 reader->xsdSchemas = NULL;
2215 #ifdef LIBXML_XINCLUDE_ENABLED
2216 if (reader->xincctxt != NULL)
2217 xmlXIncludeFreeContext(reader->xincctxt);
2219 #ifdef LIBXML_PATTERN_ENABLED
2220 if (reader->patternTab != NULL) {
2222 for (i = 0;i < reader->patternNr;i++) {
2223 if (reader->patternTab[i] != NULL)
2224 xmlFreePattern(reader->patternTab[i]);
2226 xmlFree(reader->patternTab);
2229 if (reader->faketext != NULL) {
2230 xmlFreeNode(reader->faketext);
2232 if (reader->ctxt != NULL) {
2233 if (reader->dict == reader->ctxt->dict)
2234 reader->dict = NULL;
2235 if (reader->ctxt->myDoc != NULL) {
2236 if (reader->preserve == 0)
2237 xmlTextReaderFreeDoc(reader, reader->ctxt->myDoc);
2238 reader->ctxt->myDoc = NULL;
2240 if ((reader->ctxt->vctxt.vstateTab != NULL) &&
2241 (reader->ctxt->vctxt.vstateMax > 0)){
2242 xmlFree(reader->ctxt->vctxt.vstateTab);
2243 reader->ctxt->vctxt.vstateTab = NULL;
2244 reader->ctxt->vctxt.vstateMax = 0;
2246 if (reader->allocs & XML_TEXTREADER_CTXT)
2247 xmlFreeParserCtxt(reader->ctxt);
2249 if (reader->sax != NULL)
2250 xmlFree(reader->sax);
2251 if ((reader->input != NULL) && (reader->allocs & XML_TEXTREADER_INPUT))
2252 xmlFreeParserInputBuffer(reader->input);
2253 if (reader->buffer != NULL)
2254 xmlBufferFree(reader->buffer);
2255 if (reader->entTab != NULL)
2256 xmlFree(reader->entTab);
2257 if (reader->dict != NULL)
2258 xmlDictFree(reader->dict);
2262 /************************************************************************
2264 * Methods for XmlTextReader *
2266 ************************************************************************/
2268 * xmlTextReaderClose:
2269 * @reader: the xmlTextReaderPtr used
2271 * This method releases any resources allocated by the current instance
2272 * changes the state to Closed and close any underlying input.
2274 * Returns 0 or -1 in case of error
2277 xmlTextReaderClose(xmlTextReaderPtr reader) {
2280 reader->node = NULL;
2281 reader->curnode = NULL;
2282 reader->mode = XML_TEXTREADER_MODE_CLOSED;
2283 if (reader->ctxt != NULL) {
2284 xmlStopParser(reader->ctxt);
2285 if (reader->ctxt->myDoc != NULL) {
2286 if (reader->preserve == 0)
2287 xmlTextReaderFreeDoc(reader, reader->ctxt->myDoc);
2288 reader->ctxt->myDoc = NULL;
2291 if ((reader->input != NULL) && (reader->allocs & XML_TEXTREADER_INPUT)) {
2292 xmlFreeParserInputBuffer(reader->input);
2293 reader->allocs -= XML_TEXTREADER_INPUT;
2299 * xmlTextReaderGetAttributeNo:
2300 * @reader: the xmlTextReaderPtr used
2301 * @no: the zero-based index of the attribute relative to the containing element
2303 * Provides the value of the attribute with the specified index relative
2304 * to the containing element.
2306 * Returns a string containing the value of the specified attribute, or NULL
2307 * in case of error. The string must be deallocated by the caller.
2310 xmlTextReaderGetAttributeNo(xmlTextReaderPtr reader, int no) {
2318 if (reader->node == NULL)
2320 if (reader->curnode != NULL)
2322 /* TODO: handle the xmlDecl */
2323 if (reader->node->type != XML_ELEMENT_NODE)
2326 ns = reader->node->nsDef;
2327 for (i = 0;(i < no) && (ns != NULL);i++) {
2331 return(xmlStrdup(ns->href));
2333 cur = reader->node->properties;
2341 /* TODO walk the DTD if present */
2343 ret = xmlNodeListGetString(reader->node->doc, cur->children, 1);
2344 if (ret == NULL) return(xmlStrdup((xmlChar *)""));
2349 * xmlTextReaderGetAttribute:
2350 * @reader: the xmlTextReaderPtr used
2351 * @name: the qualified name of the attribute.
2353 * Provides the value of the attribute with the specified qualified name.
2355 * Returns a string containing the value of the specified attribute, or NULL
2356 * in case of error. The string must be deallocated by the caller.
2359 xmlTextReaderGetAttribute(xmlTextReaderPtr reader, const xmlChar *name) {
2360 xmlChar *prefix = NULL;
2363 xmlChar *ret = NULL;
2365 if ((reader == NULL) || (name == NULL))
2367 if (reader->node == NULL)
2369 if (reader->curnode != NULL)
2372 /* TODO: handle the xmlDecl */
2373 if (reader->node->type != XML_ELEMENT_NODE)
2376 localname = xmlSplitQName2(name, &prefix);
2377 if (localname == NULL) {
2379 * Namespace default decl
2381 if (xmlStrEqual(name, BAD_CAST "xmlns")) {
2382 ns = reader->node->nsDef;
2383 while (ns != NULL) {
2384 if (ns->prefix == NULL) {
2385 return(xmlStrdup(ns->href));
2391 return(xmlGetNoNsProp(reader->node, name));
2395 * Namespace default decl
2397 if (xmlStrEqual(prefix, BAD_CAST "xmlns")) {
2398 ns = reader->node->nsDef;
2399 while (ns != NULL) {
2400 if ((ns->prefix != NULL) && (xmlStrEqual(ns->prefix, localname))) {
2401 ret = xmlStrdup(ns->href);
2407 ns = xmlSearchNs(reader->node->doc, reader->node, prefix);
2409 ret = xmlGetNsProp(reader->node, localname, ns->href);
2420 * xmlTextReaderGetAttributeNs:
2421 * @reader: the xmlTextReaderPtr used
2422 * @localName: the local name of the attribute.
2423 * @namespaceURI: the namespace URI of the attribute.
2425 * Provides the value of the specified attribute
2427 * Returns a string containing the value of the specified attribute, or NULL
2428 * in case of error. The string must be deallocated by the caller.
2431 xmlTextReaderGetAttributeNs(xmlTextReaderPtr reader, const xmlChar *localName,
2432 const xmlChar *namespaceURI) {
2433 xmlChar *prefix = NULL;
2436 if ((reader == NULL) || (localName == NULL))
2438 if (reader->node == NULL)
2440 if (reader->curnode != NULL)
2443 /* TODO: handle the xmlDecl */
2444 if (reader->node->type != XML_ELEMENT_NODE)
2447 if (xmlStrEqual(namespaceURI, BAD_CAST "http://www.w3.org/2000/xmlns/")) {
2448 if (! xmlStrEqual(localName, BAD_CAST "xmlns")) {
2449 prefix = BAD_CAST localName;
2451 ns = reader->node->nsDef;
2452 while (ns != NULL) {
2453 if ((prefix == NULL && ns->prefix == NULL) ||
2454 ((ns->prefix != NULL) && (xmlStrEqual(ns->prefix, localName)))) {
2455 return xmlStrdup(ns->href);
2462 return(xmlGetNsProp(reader->node, localName, namespaceURI));
2466 * xmlTextReaderGetRemainder:
2467 * @reader: the xmlTextReaderPtr used
2469 * Method to get the remainder of the buffered XML. this method stops the
2470 * parser, set its state to End Of File and return the input stream with
2471 * what is left that the parser did not use.
2473 * The implementation is not good, the parser certainly procgressed past
2474 * what's left in reader->input, and there is an allocation problem. Best
2475 * would be to rewrite it differently.
2477 * Returns the xmlParserInputBufferPtr attached to the XML or NULL
2480 xmlParserInputBufferPtr
2481 xmlTextReaderGetRemainder(xmlTextReaderPtr reader) {
2482 xmlParserInputBufferPtr ret = NULL;
2486 if (reader->node == NULL)
2489 reader->node = NULL;
2490 reader->curnode = NULL;
2491 reader->mode = XML_TEXTREADER_MODE_EOF;
2492 if (reader->ctxt != NULL) {
2493 xmlStopParser(reader->ctxt);
2494 if (reader->ctxt->myDoc != NULL) {
2495 if (reader->preserve == 0)
2496 xmlTextReaderFreeDoc(reader, reader->ctxt->myDoc);
2497 reader->ctxt->myDoc = NULL;
2500 if (reader->allocs & XML_TEXTREADER_INPUT) {
2501 ret = reader->input;
2502 reader->input = NULL;
2503 reader->allocs -= XML_TEXTREADER_INPUT;
2506 * Hum, one may need to duplicate the data structure because
2507 * without reference counting the input may be freed twice:
2508 * - by the layer which allocated it.
2509 * - by the layer to which would have been returned to.
2518 * xmlTextReaderLookupNamespace:
2519 * @reader: the xmlTextReaderPtr used
2520 * @prefix: the prefix whose namespace URI is to be resolved. To return
2521 * the default namespace, specify NULL
2523 * Resolves a namespace prefix in the scope of the current element.
2525 * Returns a string containing the namespace URI to which the prefix maps
2526 * or NULL in case of error. The string must be deallocated by the caller.
2529 xmlTextReaderLookupNamespace(xmlTextReaderPtr reader, const xmlChar *prefix) {
2534 if (reader->node == NULL)
2537 ns = xmlSearchNs(reader->node->doc, reader->node, prefix);
2540 return(xmlStrdup(ns->href));
2544 * xmlTextReaderMoveToAttributeNo:
2545 * @reader: the xmlTextReaderPtr used
2546 * @no: the zero-based index of the attribute relative to the containing
2549 * Moves the position of the current instance to the attribute with
2550 * the specified index relative to the containing element.
2552 * Returns 1 in case of success, -1 in case of error, 0 if not found
2555 xmlTextReaderMoveToAttributeNo(xmlTextReaderPtr reader, int no) {
2562 if (reader->node == NULL)
2564 /* TODO: handle the xmlDecl */
2565 if (reader->node->type != XML_ELEMENT_NODE)
2568 reader->curnode = NULL;
2570 ns = reader->node->nsDef;
2571 for (i = 0;(i < no) && (ns != NULL);i++) {
2575 reader->curnode = (xmlNodePtr) ns;
2579 cur = reader->node->properties;
2587 /* TODO walk the DTD if present */
2589 reader->curnode = (xmlNodePtr) cur;
2594 * xmlTextReaderMoveToAttribute:
2595 * @reader: the xmlTextReaderPtr used
2596 * @name: the qualified name of the attribute.
2598 * Moves the position of the current instance to the attribute with
2599 * the specified qualified name.
2601 * Returns 1 in case of success, -1 in case of error, 0 if not found
2604 xmlTextReaderMoveToAttribute(xmlTextReaderPtr reader, const xmlChar *name) {
2605 xmlChar *prefix = NULL;
2610 if ((reader == NULL) || (name == NULL))
2612 if (reader->node == NULL)
2615 /* TODO: handle the xmlDecl */
2616 if (reader->node->type != XML_ELEMENT_NODE)
2619 localname = xmlSplitQName2(name, &prefix);
2620 if (localname == NULL) {
2622 * Namespace default decl
2624 if (xmlStrEqual(name, BAD_CAST "xmlns")) {
2625 ns = reader->node->nsDef;
2626 while (ns != NULL) {
2627 if (ns->prefix == NULL) {
2628 reader->curnode = (xmlNodePtr) ns;
2636 prop = reader->node->properties;
2637 while (prop != NULL) {
2640 * - same attribute names
2641 * - and the attribute carrying that namespace
2643 if ((xmlStrEqual(prop->name, name)) &&
2644 ((prop->ns == NULL) || (prop->ns->prefix == NULL))) {
2645 reader->curnode = (xmlNodePtr) prop;
2654 * Namespace default decl
2656 if (xmlStrEqual(prefix, BAD_CAST "xmlns")) {
2657 ns = reader->node->nsDef;
2658 while (ns != NULL) {
2659 if ((ns->prefix != NULL) && (xmlStrEqual(ns->prefix, localname))) {
2660 reader->curnode = (xmlNodePtr) ns;
2667 prop = reader->node->properties;
2668 while (prop != NULL) {
2671 * - same attribute names
2672 * - and the attribute carrying that namespace
2674 if ((xmlStrEqual(prop->name, localname)) &&
2675 (prop->ns != NULL) && (xmlStrEqual(prop->ns->prefix, prefix))) {
2676 reader->curnode = (xmlNodePtr) prop;
2682 if (localname != NULL)
2689 if (localname != NULL)
2697 * xmlTextReaderMoveToAttributeNs:
2698 * @reader: the xmlTextReaderPtr used
2699 * @localName: the local name of the attribute.
2700 * @namespaceURI: the namespace URI of the attribute.
2702 * Moves the position of the current instance to the attribute with the
2703 * specified local name and namespace URI.
2705 * Returns 1 in case of success, -1 in case of error, 0 if not found
2708 xmlTextReaderMoveToAttributeNs(xmlTextReaderPtr reader,
2709 const xmlChar *localName, const xmlChar *namespaceURI) {
2713 xmlChar *prefix = NULL;
2715 if ((reader == NULL) || (localName == NULL) || (namespaceURI == NULL))
2717 if (reader->node == NULL)
2719 if (reader->node->type != XML_ELEMENT_NODE)
2721 node = reader->node;
2723 if (xmlStrEqual(namespaceURI, BAD_CAST "http://www.w3.org/2000/xmlns/")) {
2724 if (! xmlStrEqual(localName, BAD_CAST "xmlns")) {
2725 prefix = BAD_CAST localName;
2727 ns = reader->node->nsDef;
2728 while (ns != NULL) {
2729 if ((prefix == NULL && ns->prefix == NULL) ||
2730 ((ns->prefix != NULL) && (xmlStrEqual(ns->prefix, localName)))) {
2731 reader->curnode = (xmlNodePtr) ns;
2739 prop = node->properties;
2740 while (prop != NULL) {
2743 * - same attribute names
2744 * - and the attribute carrying that namespace
2746 if (xmlStrEqual(prop->name, localName) &&
2747 ((prop->ns != NULL) &&
2748 (xmlStrEqual(prop->ns->href, namespaceURI)))) {
2749 reader->curnode = (xmlNodePtr) prop;
2758 * xmlTextReaderMoveToFirstAttribute:
2759 * @reader: the xmlTextReaderPtr used
2761 * Moves the position of the current instance to the first attribute
2762 * associated with the current node.
2764 * Returns 1 in case of success, -1 in case of error, 0 if not found
2767 xmlTextReaderMoveToFirstAttribute(xmlTextReaderPtr reader) {
2770 if (reader->node == NULL)
2772 if (reader->node->type != XML_ELEMENT_NODE)
2775 if (reader->node->nsDef != NULL) {
2776 reader->curnode = (xmlNodePtr) reader->node->nsDef;
2779 if (reader->node->properties != NULL) {
2780 reader->curnode = (xmlNodePtr) reader->node->properties;
2787 * xmlTextReaderMoveToNextAttribute:
2788 * @reader: the xmlTextReaderPtr used
2790 * Moves the position of the current instance to the next attribute
2791 * associated with the current node.
2793 * Returns 1 in case of success, -1 in case of error, 0 if not found
2796 xmlTextReaderMoveToNextAttribute(xmlTextReaderPtr reader) {
2799 if (reader->node == NULL)
2801 if (reader->node->type != XML_ELEMENT_NODE)
2803 if (reader->curnode == NULL)
2804 return(xmlTextReaderMoveToFirstAttribute(reader));
2806 if (reader->curnode->type == XML_NAMESPACE_DECL) {
2807 xmlNsPtr ns = (xmlNsPtr) reader->curnode;
2808 if (ns->next != NULL) {
2809 reader->curnode = (xmlNodePtr) ns->next;
2812 if (reader->node->properties != NULL) {
2813 reader->curnode = (xmlNodePtr) reader->node->properties;
2817 } else if ((reader->curnode->type == XML_ATTRIBUTE_NODE) &&
2818 (reader->curnode->next != NULL)) {
2819 reader->curnode = reader->curnode->next;
2826 * xmlTextReaderMoveToElement:
2827 * @reader: the xmlTextReaderPtr used
2829 * Moves the position of the current instance to the node that
2830 * contains the current Attribute node.
2832 * Returns 1 in case of success, -1 in case of error, 0 if not moved
2835 xmlTextReaderMoveToElement(xmlTextReaderPtr reader) {
2838 if (reader->node == NULL)
2840 if (reader->node->type != XML_ELEMENT_NODE)
2842 if (reader->curnode != NULL) {
2843 reader->curnode = NULL;
2850 * xmlTextReaderReadAttributeValue:
2851 * @reader: the xmlTextReaderPtr used
2853 * Parses an attribute value into one or more Text and EntityReference nodes.
2855 * Returns 1 in case of success, 0 if the reader was not positionned on an
2856 * ttribute node or all the attribute values have been read, or -1
2860 xmlTextReaderReadAttributeValue(xmlTextReaderPtr reader) {
2863 if (reader->node == NULL)
2865 if (reader->curnode == NULL)
2867 if (reader->curnode->type == XML_ATTRIBUTE_NODE) {
2868 if (reader->curnode->children == NULL)
2870 reader->curnode = reader->curnode->children;
2871 } else if (reader->curnode->type == XML_NAMESPACE_DECL) {
2872 xmlNsPtr ns = (xmlNsPtr) reader->curnode;
2874 if (reader->faketext == NULL) {
2875 reader->faketext = xmlNewDocText(reader->node->doc,
2878 if ((reader->faketext->content != NULL) &&
2879 (reader->faketext->content !=
2880 (xmlChar *) &(reader->faketext->properties)))
2881 xmlFree(reader->faketext->content);
2882 reader->faketext->content = xmlStrdup(ns->href);
2884 reader->curnode = reader->faketext;
2886 if (reader->curnode->next == NULL)
2888 reader->curnode = reader->curnode->next;
2894 * xmlTextReaderConstEncoding:
2895 * @reader: the xmlTextReaderPtr used
2897 * Determine the encoding of the document being read.
2899 * Returns a string containing the encoding of the document or NULL in
2900 * case of error. The string is deallocated with the reader.
2903 xmlTextReaderConstEncoding(xmlTextReaderPtr reader) {
2904 xmlDocPtr doc = NULL;
2907 if (reader->doc != NULL)
2909 else if (reader->ctxt != NULL)
2910 doc = reader->ctxt->myDoc;
2914 if (doc->encoding == NULL)
2917 return(CONSTSTR(doc->encoding));
2921 /************************************************************************
2923 * Acces API to the current node *
2925 ************************************************************************/
2927 * xmlTextReaderAttributeCount:
2928 * @reader: the xmlTextReaderPtr used
2930 * Provides the number of attributes of the current node
2932 * Returns 0 i no attributes, -1 in case of error or the attribute count
2935 xmlTextReaderAttributeCount(xmlTextReaderPtr reader) {
2943 if (reader->node == NULL)
2946 if (reader->curnode != NULL)
2947 node = reader->curnode;
2949 node = reader->node;
2951 if (node->type != XML_ELEMENT_NODE)
2953 if ((reader->state == XML_TEXTREADER_END) ||
2954 (reader->state == XML_TEXTREADER_BACKTRACK))
2957 attr = node->properties;
2958 while (attr != NULL) {
2963 while (ns != NULL) {
2971 * xmlTextReaderNodeType:
2972 * @reader: the xmlTextReaderPtr used
2974 * Get the node type of the current node
2976 * http://www.gnu.org/software/dotgnu/pnetlib-doc/System/Xml/XmlNodeType.html
2978 * Returns the xmlNodeType of the current node or -1 in case of error
2981 xmlTextReaderNodeType(xmlTextReaderPtr reader) {
2986 if (reader->node == NULL)
2987 return(XML_READER_TYPE_NONE);
2988 if (reader->curnode != NULL)
2989 node = reader->curnode;
2991 node = reader->node;
2992 switch (node->type) {
2993 case XML_ELEMENT_NODE:
2994 if ((reader->state == XML_TEXTREADER_END) ||
2995 (reader->state == XML_TEXTREADER_BACKTRACK))
2996 return(XML_READER_TYPE_END_ELEMENT);
2997 return(XML_READER_TYPE_ELEMENT);
2998 case XML_NAMESPACE_DECL:
2999 case XML_ATTRIBUTE_NODE:
3000 return(XML_READER_TYPE_ATTRIBUTE);
3002 if (xmlIsBlankNode(reader->node)) {
3003 if (xmlNodeGetSpacePreserve(reader->node))
3004 return(XML_READER_TYPE_SIGNIFICANT_WHITESPACE);
3006 return(XML_READER_TYPE_WHITESPACE);
3008 return(XML_READER_TYPE_TEXT);
3010 case XML_CDATA_SECTION_NODE:
3011 return(XML_READER_TYPE_CDATA);
3012 case XML_ENTITY_REF_NODE:
3013 return(XML_READER_TYPE_ENTITY_REFERENCE);
3014 case XML_ENTITY_NODE:
3015 return(XML_READER_TYPE_ENTITY);
3017 return(XML_READER_TYPE_PROCESSING_INSTRUCTION);
3018 case XML_COMMENT_NODE:
3019 return(XML_READER_TYPE_COMMENT);
3020 case XML_DOCUMENT_NODE:
3021 case XML_HTML_DOCUMENT_NODE:
3022 #ifdef LIBXML_DOCB_ENABLED
3023 case XML_DOCB_DOCUMENT_NODE:
3025 return(XML_READER_TYPE_DOCUMENT);
3026 case XML_DOCUMENT_FRAG_NODE:
3027 return(XML_READER_TYPE_DOCUMENT_FRAGMENT);
3028 case XML_NOTATION_NODE:
3029 return(XML_READER_TYPE_NOTATION);
3030 case XML_DOCUMENT_TYPE_NODE:
3032 return(XML_READER_TYPE_DOCUMENT_TYPE);
3034 case XML_ELEMENT_DECL:
3035 case XML_ATTRIBUTE_DECL:
3036 case XML_ENTITY_DECL:
3037 case XML_XINCLUDE_START:
3038 case XML_XINCLUDE_END:
3039 return(XML_READER_TYPE_NONE);
3045 * xmlTextReaderIsEmptyElement:
3046 * @reader: the xmlTextReaderPtr used
3048 * Check if the current node is empty
3050 * Returns 1 if empty, 0 if not and -1 in case of error
3053 xmlTextReaderIsEmptyElement(xmlTextReaderPtr reader) {
3054 if ((reader == NULL) || (reader->node == NULL))
3056 if (reader->node->type != XML_ELEMENT_NODE)
3058 if (reader->curnode != NULL)
3060 if (reader->node->children != NULL)
3062 if (reader->state == XML_TEXTREADER_END)
3064 if (reader->doc != NULL)
3066 #ifdef LIBXML_XINCLUDE_ENABLED
3067 if (reader->in_xinclude > 0)
3070 return((reader->node->extra & NODE_IS_EMPTY) != 0);
3074 * xmlTextReaderLocalName:
3075 * @reader: the xmlTextReaderPtr used
3077 * The local name of the node.
3079 * Returns the local name or NULL if not available,
3080 * if non NULL it need to be freed by the caller.
3083 xmlTextReaderLocalName(xmlTextReaderPtr reader) {
3085 if ((reader == NULL) || (reader->node == NULL))
3087 if (reader->curnode != NULL)
3088 node = reader->curnode;
3090 node = reader->node;
3091 if (node->type == XML_NAMESPACE_DECL) {
3092 xmlNsPtr ns = (xmlNsPtr) node;
3093 if (ns->prefix == NULL)
3094 return(xmlStrdup(BAD_CAST "xmlns"));
3096 return(xmlStrdup(ns->prefix));
3098 if ((node->type != XML_ELEMENT_NODE) &&
3099 (node->type != XML_ATTRIBUTE_NODE))
3100 return(xmlTextReaderName(reader));
3101 return(xmlStrdup(node->name));
3105 * xmlTextReaderConstLocalName:
3106 * @reader: the xmlTextReaderPtr used
3108 * The local name of the node.
3110 * Returns the local name or NULL if not available, the
3111 * string will be deallocated with the reader.
3114 xmlTextReaderConstLocalName(xmlTextReaderPtr reader) {
3116 if ((reader == NULL) || (reader->node == NULL))
3118 if (reader->curnode != NULL)
3119 node = reader->curnode;
3121 node = reader->node;
3122 if (node->type == XML_NAMESPACE_DECL) {
3123 xmlNsPtr ns = (xmlNsPtr) node;
3124 if (ns->prefix == NULL)
3125 return(CONSTSTR(BAD_CAST "xmlns"));
3129 if ((node->type != XML_ELEMENT_NODE) &&
3130 (node->type != XML_ATTRIBUTE_NODE))
3131 return(xmlTextReaderConstName(reader));
3136 * xmlTextReaderName:
3137 * @reader: the xmlTextReaderPtr used
3139 * The qualified name of the node, equal to Prefix :LocalName.
3141 * Returns the local name or NULL if not available,
3142 * if non NULL it need to be freed by the caller.
3145 xmlTextReaderName(xmlTextReaderPtr reader) {
3149 if ((reader == NULL) || (reader->node == NULL))
3151 if (reader->curnode != NULL)
3152 node = reader->curnode;
3154 node = reader->node;
3155 switch (node->type) {
3156 case XML_ELEMENT_NODE:
3157 case XML_ATTRIBUTE_NODE:
3158 if ((node->ns == NULL) ||
3159 (node->ns->prefix == NULL))
3160 return(xmlStrdup(node->name));
3162 ret = xmlStrdup(node->ns->prefix);
3163 ret = xmlStrcat(ret, BAD_CAST ":");
3164 ret = xmlStrcat(ret, node->name);
3167 return(xmlStrdup(BAD_CAST "#text"));
3168 case XML_CDATA_SECTION_NODE:
3169 return(xmlStrdup(BAD_CAST "#cdata-section"));
3170 case XML_ENTITY_NODE:
3171 case XML_ENTITY_REF_NODE:
3172 return(xmlStrdup(node->name));
3174 return(xmlStrdup(node->name));
3175 case XML_COMMENT_NODE:
3176 return(xmlStrdup(BAD_CAST "#comment"));
3177 case XML_DOCUMENT_NODE:
3178 case XML_HTML_DOCUMENT_NODE:
3179 #ifdef LIBXML_DOCB_ENABLED
3180 case XML_DOCB_DOCUMENT_NODE:
3182 return(xmlStrdup(BAD_CAST "#document"));
3183 case XML_DOCUMENT_FRAG_NODE:
3184 return(xmlStrdup(BAD_CAST "#document-fragment"));
3185 case XML_NOTATION_NODE:
3186 return(xmlStrdup(node->name));
3187 case XML_DOCUMENT_TYPE_NODE:
3189 return(xmlStrdup(node->name));
3190 case XML_NAMESPACE_DECL: {
3191 xmlNsPtr ns = (xmlNsPtr) node;
3193 ret = xmlStrdup(BAD_CAST "xmlns");
3194 if (ns->prefix == NULL)
3196 ret = xmlStrcat(ret, BAD_CAST ":");
3197 ret = xmlStrcat(ret, ns->prefix);
3201 case XML_ELEMENT_DECL:
3202 case XML_ATTRIBUTE_DECL:
3203 case XML_ENTITY_DECL:
3204 case XML_XINCLUDE_START:
3205 case XML_XINCLUDE_END:
3212 * xmlTextReaderConstName:
3213 * @reader: the xmlTextReaderPtr used
3215 * The qualified name of the node, equal to Prefix :LocalName.
3217 * Returns the local name or NULL if not available, the string is
3218 * deallocated with the reader.
3221 xmlTextReaderConstName(xmlTextReaderPtr reader) {
3224 if ((reader == NULL) || (reader->node == NULL))
3226 if (reader->curnode != NULL)
3227 node = reader->curnode;
3229 node = reader->node;
3230 switch (node->type) {
3231 case XML_ELEMENT_NODE:
3232 case XML_ATTRIBUTE_NODE:
3233 if ((node->ns == NULL) ||
3234 (node->ns->prefix == NULL))
3236 return(CONSTQSTR(node->ns->prefix, node->name));
3238 return(CONSTSTR(BAD_CAST "#text"));
3239 case XML_CDATA_SECTION_NODE:
3240 return(CONSTSTR(BAD_CAST "#cdata-section"));
3241 case XML_ENTITY_NODE:
3242 case XML_ENTITY_REF_NODE:
3243 return(CONSTSTR(node->name));
3245 return(CONSTSTR(node->name));
3246 case XML_COMMENT_NODE:
3247 return(CONSTSTR(BAD_CAST "#comment"));
3248 case XML_DOCUMENT_NODE:
3249 case XML_HTML_DOCUMENT_NODE:
3250 #ifdef LIBXML_DOCB_ENABLED
3251 case XML_DOCB_DOCUMENT_NODE:
3253 return(CONSTSTR(BAD_CAST "#document"));
3254 case XML_DOCUMENT_FRAG_NODE:
3255 return(CONSTSTR(BAD_CAST "#document-fragment"));
3256 case XML_NOTATION_NODE:
3257 return(CONSTSTR(node->name));
3258 case XML_DOCUMENT_TYPE_NODE:
3260 return(CONSTSTR(node->name));
3261 case XML_NAMESPACE_DECL: {
3262 xmlNsPtr ns = (xmlNsPtr) node;
3264 if (ns->prefix == NULL)
3265 return(CONSTSTR(BAD_CAST "xmlns"));
3266 return(CONSTQSTR(BAD_CAST "xmlns", ns->prefix));
3269 case XML_ELEMENT_DECL:
3270 case XML_ATTRIBUTE_DECL:
3271 case XML_ENTITY_DECL:
3272 case XML_XINCLUDE_START:
3273 case XML_XINCLUDE_END:
3280 * xmlTextReaderPrefix:
3281 * @reader: the xmlTextReaderPtr used
3283 * A shorthand reference to the namespace associated with the node.
3285 * Returns the prefix or NULL if not available,
3286 * if non NULL it need to be freed by the caller.
3289 xmlTextReaderPrefix(xmlTextReaderPtr reader) {
3291 if ((reader == NULL) || (reader->node == NULL))
3293 if (reader->curnode != NULL)
3294 node = reader->curnode;
3296 node = reader->node;
3297 if (node->type == XML_NAMESPACE_DECL) {
3298 xmlNsPtr ns = (xmlNsPtr) node;
3299 if (ns->prefix == NULL)
3301 return(xmlStrdup(BAD_CAST "xmlns"));
3303 if ((node->type != XML_ELEMENT_NODE) &&
3304 (node->type != XML_ATTRIBUTE_NODE))
3306 if ((node->ns != NULL) && (node->ns->prefix != NULL))
3307 return(xmlStrdup(node->ns->prefix));
3312 * xmlTextReaderConstPrefix:
3313 * @reader: the xmlTextReaderPtr used
3315 * A shorthand reference to the namespace associated with the node.
3317 * Returns the prefix or NULL if not available, the string is deallocated
3321 xmlTextReaderConstPrefix(xmlTextReaderPtr reader) {
3323 if ((reader == NULL) || (reader->node == NULL))
3325 if (reader->curnode != NULL)
3326 node = reader->curnode;
3328 node = reader->node;
3329 if (node->type == XML_NAMESPACE_DECL) {
3330 xmlNsPtr ns = (xmlNsPtr) node;
3331 if (ns->prefix == NULL)
3333 return(CONSTSTR(BAD_CAST "xmlns"));
3335 if ((node->type != XML_ELEMENT_NODE) &&
3336 (node->type != XML_ATTRIBUTE_NODE))
3338 if ((node->ns != NULL) && (node->ns->prefix != NULL))
3339 return(CONSTSTR(node->ns->prefix));
3344 * xmlTextReaderNamespaceUri:
3345 * @reader: the xmlTextReaderPtr used
3347 * The URI defining the namespace associated with the node.
3349 * Returns the namespace URI or NULL if not available,
3350 * if non NULL it need to be freed by the caller.
3353 xmlTextReaderNamespaceUri(xmlTextReaderPtr reader) {
3355 if ((reader == NULL) || (reader->node == NULL))
3357 if (reader->curnode != NULL)
3358 node = reader->curnode;
3360 node = reader->node;
3361 if (node->type == XML_NAMESPACE_DECL)
3362 return(xmlStrdup(BAD_CAST "http://www.w3.org/2000/xmlns/"));
3363 if ((node->type != XML_ELEMENT_NODE) &&
3364 (node->type != XML_ATTRIBUTE_NODE))
3366 if (node->ns != NULL)
3367 return(xmlStrdup(node->ns->href));
3372 * xmlTextReaderConstNamespaceUri:
3373 * @reader: the xmlTextReaderPtr used
3375 * The URI defining the namespace associated with the node.
3377 * Returns the namespace URI or NULL if not available, the string
3378 * will be deallocated with the reader
3381 xmlTextReaderConstNamespaceUri(xmlTextReaderPtr reader) {
3383 if ((reader == NULL) || (reader->node == NULL))
3385 if (reader->curnode != NULL)
3386 node = reader->curnode;
3388 node = reader->node;
3389 if (node->type == XML_NAMESPACE_DECL)
3390 return(CONSTSTR(BAD_CAST "http://www.w3.org/2000/xmlns/"));
3391 if ((node->type != XML_ELEMENT_NODE) &&
3392 (node->type != XML_ATTRIBUTE_NODE))
3394 if (node->ns != NULL)
3395 return(CONSTSTR(node->ns->href));
3400 * xmlTextReaderBaseUri:
3401 * @reader: the xmlTextReaderPtr used
3403 * The base URI of the node.
3405 * Returns the base URI or NULL if not available,
3406 * if non NULL it need to be freed by the caller.
3409 xmlTextReaderBaseUri(xmlTextReaderPtr reader) {
3410 if ((reader == NULL) || (reader->node == NULL))
3412 return(xmlNodeGetBase(NULL, reader->node));
3416 * xmlTextReaderConstBaseUri:
3417 * @reader: the xmlTextReaderPtr used
3419 * The base URI of the node.
3421 * Returns the base URI or NULL if not available, the string
3422 * will be deallocated with the reader
3425 xmlTextReaderConstBaseUri(xmlTextReaderPtr reader) {
3429 if ((reader == NULL) || (reader->node == NULL))
3431 tmp = xmlNodeGetBase(NULL, reader->node);
3434 ret = CONSTSTR(tmp);
3440 * xmlTextReaderDepth:
3441 * @reader: the xmlTextReaderPtr used
3443 * The depth of the node in the tree.
3445 * Returns the depth or -1 in case of error
3448 xmlTextReaderDepth(xmlTextReaderPtr reader) {
3451 if (reader->node == NULL)
3454 if (reader->curnode != NULL) {
3455 if ((reader->curnode->type == XML_ATTRIBUTE_NODE) ||
3456 (reader->curnode->type == XML_NAMESPACE_DECL))
3457 return(reader->depth + 1);
3458 return(reader->depth + 2);
3460 return(reader->depth);
3464 * xmlTextReaderHasAttributes:
3465 * @reader: the xmlTextReaderPtr used
3467 * Whether the node has attributes.
3469 * Returns 1 if true, 0 if false, and -1 in case or error
3472 xmlTextReaderHasAttributes(xmlTextReaderPtr reader) {
3476 if (reader->node == NULL)
3478 if (reader->curnode != NULL)
3479 node = reader->curnode;
3481 node = reader->node;
3483 if ((node->type == XML_ELEMENT_NODE) &&
3484 ((node->properties != NULL) || (node->nsDef != NULL)))
3486 /* TODO: handle the xmlDecl */
3491 * xmlTextReaderHasValue:
3492 * @reader: the xmlTextReaderPtr used
3494 * Whether the node can have a text value.
3496 * Returns 1 if true, 0 if false, and -1 in case or error
3499 xmlTextReaderHasValue(xmlTextReaderPtr reader) {
3503 if (reader->node == NULL)
3505 if (reader->curnode != NULL)
3506 node = reader->curnode;
3508 node = reader->node;
3510 switch (node->type) {
3511 case XML_ATTRIBUTE_NODE:
3513 case XML_CDATA_SECTION_NODE:
3515 case XML_COMMENT_NODE:
3516 case XML_NAMESPACE_DECL:
3525 * xmlTextReaderValue:
3526 * @reader: the xmlTextReaderPtr used
3528 * Provides the text value of the node if present
3530 * Returns the string or NULL if not available. The result must be deallocated
3534 xmlTextReaderValue(xmlTextReaderPtr reader) {
3538 if (reader->node == NULL)
3540 if (reader->curnode != NULL)
3541 node = reader->curnode;
3543 node = reader->node;
3545 switch (node->type) {
3546 case XML_NAMESPACE_DECL:
3547 return(xmlStrdup(((xmlNsPtr) node)->href));
3548 case XML_ATTRIBUTE_NODE:{
3549 xmlAttrPtr attr = (xmlAttrPtr) node;
3551 if (attr->parent != NULL)
3552 return (xmlNodeListGetString
3553 (attr->parent->doc, attr->children, 1));
3555 return (xmlNodeListGetString(NULL, attr->children, 1));
3559 case XML_CDATA_SECTION_NODE:
3561 case XML_COMMENT_NODE:
3562 if (node->content != NULL)
3563 return (xmlStrdup(node->content));
3571 * xmlTextReaderConstValue:
3572 * @reader: the xmlTextReaderPtr used
3574 * Provides the text value of the node if present
3576 * Returns the string or NULL if not available. The result will be
3577 * deallocated on the next Read() operation.
3580 xmlTextReaderConstValue(xmlTextReaderPtr reader) {
3584 if (reader->node == NULL)
3586 if (reader->curnode != NULL)
3587 node = reader->curnode;
3589 node = reader->node;
3591 switch (node->type) {
3592 case XML_NAMESPACE_DECL:
3593 return(((xmlNsPtr) node)->href);
3594 case XML_ATTRIBUTE_NODE:{
3595 xmlAttrPtr attr = (xmlAttrPtr) node;
3597 if ((attr->children != NULL) &&
3598 (attr->children->type == XML_TEXT_NODE) &&
3599 (attr->children->next == NULL))
3600 return(attr->children->content);
3602 if (reader->buffer == NULL)
3603 reader->buffer = xmlBufferCreateSize(100);
3604 if (reader->buffer == NULL) {
3605 xmlGenericError(xmlGenericErrorContext,
3606 "xmlTextReaderSetup : malloc failed\n");
3609 reader->buffer->use = 0;
3610 xmlNodeBufGetContent(reader->buffer, node);
3611 return(reader->buffer->content);
3616 case XML_CDATA_SECTION_NODE:
3618 case XML_COMMENT_NODE:
3619 return(node->content);
3627 * xmlTextReaderIsDefault:
3628 * @reader: the xmlTextReaderPtr used
3630 * Whether an Attribute node was generated from the default value
3631 * defined in the DTD or schema.
3633 * Returns 0 if not defaulted, 1 if defaulted, and -1 in case of error
3636 xmlTextReaderIsDefault(xmlTextReaderPtr reader) {
3643 * xmlTextReaderQuoteChar:
3644 * @reader: the xmlTextReaderPtr used
3646 * The quotation mark character used to enclose the value of an attribute.
3648 * Returns " or ' and -1 in case of error
3651 xmlTextReaderQuoteChar(xmlTextReaderPtr reader) {
3654 /* TODO maybe lookup the attribute value for " first */
3659 * xmlTextReaderXmlLang:
3660 * @reader: the xmlTextReaderPtr used
3662 * The xml:lang scope within which the node resides.
3664 * Returns the xml:lang value or NULL if none exists.,
3665 * if non NULL it need to be freed by the caller.
3668 xmlTextReaderXmlLang(xmlTextReaderPtr reader) {
3671 if (reader->node == NULL)
3673 return(xmlNodeGetLang(reader->node));
3677 * xmlTextReaderConstXmlLang:
3678 * @reader: the xmlTextReaderPtr used
3680 * The xml:lang scope within which the node resides.
3682 * Returns the xml:lang value or NULL if none exists.
3685 xmlTextReaderConstXmlLang(xmlTextReaderPtr reader) {
3691 if (reader->node == NULL)
3693 tmp = xmlNodeGetLang(reader->node);
3696 ret = CONSTSTR(tmp);
3702 * xmlTextReaderConstString:
3703 * @reader: the xmlTextReaderPtr used
3704 * @str: the string to intern.
3706 * Get an interned string from the reader, allows for example to
3707 * speedup string name comparisons
3709 * Returns an interned copy of the string or NULL in case of error. The
3710 * string will be deallocated with the reader.
3713 xmlTextReaderConstString(xmlTextReaderPtr reader, const xmlChar *str) {
3716 return(CONSTSTR(str));
3720 * xmlTextReaderNormalization:
3721 * @reader: the xmlTextReaderPtr used
3723 * The value indicating whether to normalize white space and attribute values.
3724 * Since attribute value and end of line normalizations are a MUST in the XML
3725 * specification only the value true is accepted. The broken bahaviour of
3726 * accepting out of range character entities like � is of course not
3729 * Returns 1 or -1 in case of error.
3732 xmlTextReaderNormalization(xmlTextReaderPtr reader) {
3738 /************************************************************************
3740 * Extensions to the base APIs *
3742 ************************************************************************/
3745 * xmlTextReaderSetParserProp:
3746 * @reader: the xmlTextReaderPtr used
3747 * @prop: the xmlParserProperties to set
3748 * @value: usually 0 or 1 to (de)activate it
3750 * Change the parser processing behaviour by changing some of its internal
3751 * properties. Note that some properties can only be changed before any
3752 * read has been done.
3754 * Returns 0 if the call was successful, or -1 in case of error
3757 xmlTextReaderSetParserProp(xmlTextReaderPtr reader, int prop, int value) {
3758 xmlParserProperties p = (xmlParserProperties) prop;
3759 xmlParserCtxtPtr ctxt;
3761 if ((reader == NULL) || (reader->ctxt == NULL))
3763 ctxt = reader->ctxt;
3766 case XML_PARSER_LOADDTD:
3768 if (ctxt->loadsubset == 0) {
3769 if (reader->mode != XML_TEXTREADER_MODE_INITIAL)
3771 ctxt->loadsubset = XML_DETECT_IDS;
3774 ctxt->loadsubset = 0;
3777 case XML_PARSER_DEFAULTATTRS:
3779 ctxt->loadsubset |= XML_COMPLETE_ATTRS;
3781 if (ctxt->loadsubset & XML_COMPLETE_ATTRS)
3782 ctxt->loadsubset -= XML_COMPLETE_ATTRS;
3785 case XML_PARSER_VALIDATE:
3788 reader->validate = XML_TEXTREADER_VALIDATE_DTD;
3793 case XML_PARSER_SUBST_ENTITIES:
3795 ctxt->replaceEntities = 1;
3797 ctxt->replaceEntities = 0;
3805 * xmlTextReaderGetParserProp:
3806 * @reader: the xmlTextReaderPtr used
3807 * @prop: the xmlParserProperties to get
3809 * Read the parser internal property.
3811 * Returns the value, usually 0 or 1, or -1 in case of error.
3814 xmlTextReaderGetParserProp(xmlTextReaderPtr reader, int prop) {
3815 xmlParserProperties p = (xmlParserProperties) prop;
3816 xmlParserCtxtPtr ctxt;
3818 if ((reader == NULL) || (reader->ctxt == NULL))
3820 ctxt = reader->ctxt;
3823 case XML_PARSER_LOADDTD:
3824 if ((ctxt->loadsubset != 0) || (ctxt->validate != 0))
3827 case XML_PARSER_DEFAULTATTRS:
3828 if (ctxt->loadsubset & XML_COMPLETE_ATTRS)
3831 case XML_PARSER_VALIDATE:
3832 return(reader->validate);
3833 case XML_PARSER_SUBST_ENTITIES:
3834 return(ctxt->replaceEntities);
3841 * xmlTextReaderGetParserLineNumber:
3842 * @reader: the user data (XML reader context)
3844 * Provide the line number of the current parsing point.
3846 * Returns an int or 0 if not available
3849 xmlTextReaderGetParserLineNumber(xmlTextReaderPtr reader)
3851 if ((reader == NULL) || (reader->ctxt == NULL) ||
3852 (reader->ctxt->input == NULL)) {
3855 return (reader->ctxt->input->line);
3859 * xmlTextReaderGetParserColumnNumber:
3860 * @reader: the user data (XML reader context)
3862 * Provide the column number of the current parsing point.
3864 * Returns an int or 0 if not available
3867 xmlTextReaderGetParserColumnNumber(xmlTextReaderPtr reader)
3869 if ((reader == NULL) || (reader->ctxt == NULL) ||
3870 (reader->ctxt->input == NULL)) {
3873 return (reader->ctxt->input->col);
3877 * xmlTextReaderCurrentNode:
3878 * @reader: the xmlTextReaderPtr used
3880 * Hacking interface allowing to get the xmlNodePtr correponding to the
3881 * current node being accessed by the xmlTextReader. This is dangerous
3882 * because the underlying node may be destroyed on the next Reads.
3884 * Returns the xmlNodePtr or NULL in case of error.
3887 xmlTextReaderCurrentNode(xmlTextReaderPtr reader) {
3891 if (reader->curnode != NULL)
3892 return(reader->curnode);
3893 return(reader->node);
3897 * xmlTextReaderPreserve:
3898 * @reader: the xmlTextReaderPtr used
3900 * This tells the XML Reader to preserve the current node.
3901 * The caller must also use xmlTextReaderCurrentDoc() to
3902 * keep an handle on the resulting document once parsing has finished
3904 * Returns the xmlNodePtr or NULL in case of error.
3907 xmlTextReaderPreserve(xmlTextReaderPtr reader) {
3908 xmlNodePtr cur, parent;
3913 if (reader->curnode != NULL)
3914 cur = reader->curnode;
3920 if ((cur->type != XML_DOCUMENT_NODE) && (cur->type != XML_DTD_NODE)) {
3921 cur->extra |= NODE_IS_PRESERVED;
3922 cur->extra |= NODE_IS_SPRESERVED;
3924 reader->preserves++;
3926 parent = cur->parent;;
3927 while (parent != NULL) {
3928 if (parent->type == XML_ELEMENT_NODE)
3929 parent->extra |= NODE_IS_PRESERVED;
3930 parent = parent->parent;
3935 #ifdef LIBXML_PATTERN_ENABLED
3937 * xmlTextReaderPreservePattern:
3938 * @reader: the xmlTextReaderPtr used
3939 * @pattern: an XPath subset pattern
3940 * @namespaces: the prefix definitions, array of [URI, prefix] or NULL
3942 * This tells the XML Reader to preserve all nodes matched by the
3943 * pattern. The caller must also use xmlTextReaderCurrentDoc() to
3944 * keep an handle on the resulting document once parsing has finished
3946 * Returns a positive number in case of success and -1 in case of error
3949 xmlTextReaderPreservePattern(xmlTextReaderPtr reader, const xmlChar *pattern,
3950 const xmlChar **namespaces)
3954 if ((reader == NULL) || (pattern == NULL))
3957 comp = xmlPatterncompile(pattern, reader->dict, 0, namespaces);
3961 if (reader->patternMax <= 0) {
3962 reader->patternMax = 4;
3963 reader->patternTab = (xmlPatternPtr *) xmlMalloc(reader->patternMax *
3964 sizeof(reader->patternTab[0]));
3965 if (reader->patternTab == NULL) {
3966 xmlGenericError(xmlGenericErrorContext, "xmlMalloc failed !\n");
3970 if (reader->patternNr >= reader->patternMax) {
3972 reader->patternMax *= 2;
3973 tmp = (xmlPatternPtr *) xmlRealloc(reader->patternTab,
3974 reader->patternMax *
3975 sizeof(reader->patternTab[0]));
3977 xmlGenericError(xmlGenericErrorContext, "xmlRealloc failed !\n");
3978 reader->patternMax /= 2;
3981 reader->patternTab = tmp;
3983 reader->patternTab[reader->patternNr] = comp;
3984 return(reader->patternNr++);
3989 * xmlTextReaderCurrentDoc:
3990 * @reader: the xmlTextReaderPtr used
3992 * Hacking interface allowing to get the xmlDocPtr correponding to the
3993 * current document being accessed by the xmlTextReader.
3994 * NOTE: as a result of this call, the reader will not destroy the
3995 * associated XML document and calling xmlFreeDoc() on the result
3996 * is needed once the reader parsing has finished.
3998 * Returns the xmlDocPtr or NULL in case of error.
4001 xmlTextReaderCurrentDoc(xmlTextReaderPtr reader) {
4004 if (reader->doc != NULL)
4005 return(reader->doc);
4006 if ((reader->ctxt == NULL) || (reader->ctxt->myDoc == NULL))
4009 reader->preserve = 1;
4010 return(reader->ctxt->myDoc);
4013 #ifdef LIBXML_SCHEMAS_ENABLED
4014 static char *xmlTextReaderBuildMessage(const char *msg, va_list ap);
4016 static void XMLCDECL
4017 xmlTextReaderValidityError(void *ctxt, const char *msg, ...);
4019 static void XMLCDECL
4020 xmlTextReaderValidityWarning(void *ctxt, const char *msg, ...);
4022 static void XMLCDECL
4023 xmlTextReaderValidityErrorRelay(void *ctx, const char *msg, ...)
4025 xmlTextReaderPtr reader = (xmlTextReaderPtr) ctx;
4032 str = xmlTextReaderBuildMessage(msg, ap);
4033 if (!reader->errorFunc) {
4034 xmlTextReaderValidityError(ctx, "%s", str);
4036 reader->errorFunc(reader->errorFuncArg, str,
4037 XML_PARSER_SEVERITY_VALIDITY_ERROR,
4038 NULL /* locator */ );
4045 static void XMLCDECL
4046 xmlTextReaderValidityWarningRelay(void *ctx, const char *msg, ...)
4048 xmlTextReaderPtr reader = (xmlTextReaderPtr) ctx;
4055 str = xmlTextReaderBuildMessage(msg, ap);
4056 if (!reader->errorFunc) {
4057 xmlTextReaderValidityWarning(ctx, "%s", str);
4059 reader->errorFunc(reader->errorFuncArg, str,
4060 XML_PARSER_SEVERITY_VALIDITY_WARNING,
4061 NULL /* locator */ );
4069 xmlTextReaderStructuredError(void *ctxt, xmlErrorPtr error);
4072 xmlTextReaderValidityStructuredRelay(void *userData, xmlErrorPtr error)
4074 xmlTextReaderPtr reader = (xmlTextReaderPtr) userData;
4076 if (reader->sErrorFunc) {
4077 reader->sErrorFunc(reader->errorFuncArg, error);
4079 xmlTextReaderStructuredError(reader, error);
4083 * xmlTextReaderRelaxNGSetSchema:
4084 * @reader: the xmlTextReaderPtr used
4085 * @schema: a precompiled RelaxNG schema
4087 * Use RelaxNG to validate the document as it is processed.
4088 * Activation is only possible before the first Read().
4089 * if @schema is NULL, then RelaxNG validation is desactivated.
4090 @ The @schema should not be freed until the reader is deallocated
4091 * or its use has been deactivated.
4093 * Returns 0 in case the RelaxNG validation could be (des)activated and
4094 * -1 in case of error.
4097 xmlTextReaderRelaxNGSetSchema(xmlTextReaderPtr reader, xmlRelaxNGPtr schema) {
4100 if (schema == NULL) {
4101 if (reader->rngSchemas != NULL) {
4102 xmlRelaxNGFree(reader->rngSchemas);
4103 reader->rngSchemas = NULL;
4105 if (reader->rngValidCtxt != NULL) {
4106 if (! reader->rngPreserveCtxt)
4107 xmlRelaxNGFreeValidCtxt(reader->rngValidCtxt);
4108 reader->rngValidCtxt = NULL;
4110 reader->rngPreserveCtxt = 0;
4113 if (reader->mode != XML_TEXTREADER_MODE_INITIAL)
4115 if (reader->rngSchemas != NULL) {
4116 xmlRelaxNGFree(reader->rngSchemas);
4117 reader->rngSchemas = NULL;
4119 if (reader->rngValidCtxt != NULL) {
4120 if (! reader->rngPreserveCtxt)
4121 xmlRelaxNGFreeValidCtxt(reader->rngValidCtxt);
4122 reader->rngValidCtxt = NULL;
4124 reader->rngPreserveCtxt = 0;
4125 reader->rngValidCtxt = xmlRelaxNGNewValidCtxt(schema);
4126 if (reader->rngValidCtxt == NULL)
4128 if (reader->errorFunc != NULL) {
4129 xmlRelaxNGSetValidErrors(reader->rngValidCtxt,
4130 xmlTextReaderValidityErrorRelay,
4131 xmlTextReaderValidityWarningRelay,
4134 if (reader->sErrorFunc != NULL) {
4135 xmlRelaxNGSetValidStructuredErrors(reader->rngValidCtxt,
4136 xmlTextReaderValidityStructuredRelay,
4139 reader->rngValidErrors = 0;
4140 reader->rngFullNode = NULL;
4141 reader->validate = XML_TEXTREADER_VALIDATE_RNG;
4146 * xmlTextReaderSetSchema:
4147 * @reader: the xmlTextReaderPtr used
4148 * @schema: a precompiled Schema schema
4150 * Use XSD Schema to validate the document as it is processed.
4151 * Activation is only possible before the first Read().
4152 * if @schema is NULL, then Schema validation is desactivated.
4153 @ The @schema should not be freed until the reader is deallocated
4154 * or its use has been deactivated.
4156 * Returns 0 in case the Schema validation could be (des)activated and
4157 * -1 in case of error.
4160 xmlTextReaderSetSchema(xmlTextReaderPtr reader, xmlSchemaPtr schema) {
4163 if (schema == NULL) {
4164 if (reader->xsdPlug != NULL) {
4165 xmlSchemaSAXUnplug(reader->xsdPlug);
4166 reader->xsdPlug = NULL;
4168 if (reader->xsdValidCtxt != NULL) {
4169 if (! reader->xsdPreserveCtxt)
4170 xmlSchemaFreeValidCtxt(reader->xsdValidCtxt);
4171 reader->xsdValidCtxt = NULL;
4173 reader->xsdPreserveCtxt = 0;
4174 if (reader->xsdSchemas != NULL) {
4175 xmlSchemaFree(reader->xsdSchemas);
4176 reader->xsdSchemas = NULL;
4180 if (reader->mode != XML_TEXTREADER_MODE_INITIAL)
4182 if (reader->xsdPlug != NULL) {
4183 xmlSchemaSAXUnplug(reader->xsdPlug);
4184 reader->xsdPlug = NULL;
4186 if (reader->xsdValidCtxt != NULL) {
4187 if (! reader->xsdPreserveCtxt)
4188 xmlSchemaFreeValidCtxt(reader->xsdValidCtxt);
4189 reader->xsdValidCtxt = NULL;
4191 reader->xsdPreserveCtxt = 0;
4192 if (reader->xsdSchemas != NULL) {
4193 xmlSchemaFree(reader->xsdSchemas);
4194 reader->xsdSchemas = NULL;
4196 reader->xsdValidCtxt = xmlSchemaNewValidCtxt(schema);
4197 if (reader->xsdValidCtxt == NULL) {
4198 xmlSchemaFree(reader->xsdSchemas);
4199 reader->xsdSchemas = NULL;
4202 reader->xsdPlug = xmlSchemaSAXPlug(reader->xsdValidCtxt,
4203 &(reader->ctxt->sax),
4204 &(reader->ctxt->userData));
4205 if (reader->xsdPlug == NULL) {
4206 xmlSchemaFree(reader->xsdSchemas);
4207 reader->xsdSchemas = NULL;
4208 xmlSchemaFreeValidCtxt(reader->xsdValidCtxt);
4209 reader->xsdValidCtxt = NULL;
4212 if (reader->errorFunc != NULL) {
4213 xmlSchemaSetValidErrors(reader->xsdValidCtxt,
4214 xmlTextReaderValidityErrorRelay,
4215 xmlTextReaderValidityWarningRelay,
4218 if (reader->sErrorFunc != NULL) {
4219 xmlSchemaSetValidStructuredErrors(reader->xsdValidCtxt,
4220 xmlTextReaderValidityStructuredRelay,
4223 reader->xsdValidErrors = 0;
4224 reader->validate = XML_TEXTREADER_VALIDATE_XSD;
4229 * xmlTextReaderRelaxNGValidateInternal:
4230 * @reader: the xmlTextReaderPtr used
4231 * @rng: the path to a RelaxNG schema or NULL
4232 * @ctxt: the RelaxNG schema validation context or NULL
4233 * @options: options (not yet used)
4235 * Use RelaxNG to validate the document as it is processed.
4236 * Activation is only possible before the first Read().
4237 * If both @rng and @ctxt are NULL, then RelaxNG validation is deactivated.
4239 * Returns 0 in case the RelaxNG validation could be (de)activated and
4240 * -1 in case of error.
4243 xmlTextReaderRelaxNGValidateInternal(xmlTextReaderPtr reader,
4245 xmlRelaxNGValidCtxtPtr ctxt,
4246 int options ATTRIBUTE_UNUSED)
4251 if ((rng != NULL) && (ctxt != NULL))
4254 if (((rng != NULL) || (ctxt != NULL)) &&
4255 ((reader->mode != XML_TEXTREADER_MODE_INITIAL) ||
4256 (reader->ctxt == NULL)))
4259 /* Cleanup previous validation stuff. */
4260 if (reader->rngValidCtxt != NULL) {
4261 if ( !reader->rngPreserveCtxt)
4262 xmlRelaxNGFreeValidCtxt(reader->rngValidCtxt);
4263 reader->rngValidCtxt = NULL;
4265 reader->rngPreserveCtxt = 0;
4266 if (reader->rngSchemas != NULL) {
4267 xmlRelaxNGFree(reader->rngSchemas);
4268 reader->rngSchemas = NULL;
4271 if ((rng == NULL) && (ctxt == NULL)) {
4272 /* We just want to deactivate the validation, so get out. */
4278 xmlRelaxNGParserCtxtPtr pctxt;
4279 /* Parse the schema and create validation environment. */
4281 pctxt = xmlRelaxNGNewParserCtxt(rng);
4282 if (reader->errorFunc != NULL) {
4283 xmlRelaxNGSetParserErrors(pctxt,
4284 xmlTextReaderValidityErrorRelay,
4285 xmlTextReaderValidityWarningRelay,
4288 if (reader->sErrorFunc != NULL) {
4289 xmlRelaxNGSetValidStructuredErrors(reader->rngValidCtxt,
4290 xmlTextReaderValidityStructuredRelay,
4293 reader->rngSchemas = xmlRelaxNGParse(pctxt);
4294 xmlRelaxNGFreeParserCtxt(pctxt);
4295 if (reader->rngSchemas == NULL)
4297 reader->rngValidCtxt = xmlRelaxNGNewValidCtxt(reader->rngSchemas);
4298 if (reader->rngValidCtxt == NULL) {
4299 xmlRelaxNGFree(reader->rngSchemas);
4300 reader->rngSchemas = NULL;
4304 /* Use the given validation context. */
4305 reader->rngValidCtxt = ctxt;
4306 reader->rngPreserveCtxt = 1;
4309 * Redirect the validation context's error channels to use
4310 * the reader channels.
4311 * TODO: In case the user provides the validation context we
4312 * could make this redirection optional.
4314 if (reader->errorFunc != NULL) {
4315 xmlRelaxNGSetValidErrors(reader->rngValidCtxt,
4316 xmlTextReaderValidityErrorRelay,
4317 xmlTextReaderValidityWarningRelay,
4320 if (reader->sErrorFunc != NULL) {
4321 xmlRelaxNGSetValidStructuredErrors(reader->rngValidCtxt,
4322 xmlTextReaderValidityStructuredRelay,
4325 reader->rngValidErrors = 0;
4326 reader->rngFullNode = NULL;
4327 reader->validate = XML_TEXTREADER_VALIDATE_RNG;
4332 * xmlTextReaderSchemaValidateInternal:
4333 * @reader: the xmlTextReaderPtr used
4334 * @xsd: the path to a W3C XSD schema or NULL
4335 * @ctxt: the XML Schema validation context or NULL
4336 * @options: options (not used yet)
4338 * Validate the document as it is processed using XML Schema.
4339 * Activation is only possible before the first Read().
4340 * If both @xsd and @ctxt are NULL then XML Schema validation is deactivated.
4342 * Returns 0 in case the schemas validation could be (de)activated and
4343 * -1 in case of error.
4346 xmlTextReaderSchemaValidateInternal(xmlTextReaderPtr reader,
4348 xmlSchemaValidCtxtPtr ctxt,
4349 int options ATTRIBUTE_UNUSED)
4354 if ((xsd != NULL) && (ctxt != NULL))
4357 if (((xsd != NULL) || (ctxt != NULL)) &&
4358 ((reader->mode != XML_TEXTREADER_MODE_INITIAL) ||
4359 (reader->ctxt == NULL)))
4362 /* Cleanup previous validation stuff. */
4363 if (reader->xsdPlug != NULL) {
4364 xmlSchemaSAXUnplug(reader->xsdPlug);
4365 reader->xsdPlug = NULL;
4367 if (reader->xsdValidCtxt != NULL) {
4368 if (! reader->xsdPreserveCtxt)
4369 xmlSchemaFreeValidCtxt(reader->xsdValidCtxt);
4370 reader->xsdValidCtxt = NULL;
4372 reader->xsdPreserveCtxt = 0;
4373 if (reader->xsdSchemas != NULL) {
4374 xmlSchemaFree(reader->xsdSchemas);
4375 reader->xsdSchemas = NULL;
4378 if ((xsd == NULL) && (ctxt == NULL)) {
4379 /* We just want to deactivate the validation, so get out. */
4384 xmlSchemaParserCtxtPtr pctxt;
4385 /* Parse the schema and create validation environment. */
4386 pctxt = xmlSchemaNewParserCtxt(xsd);
4387 if (reader->errorFunc != NULL) {
4388 xmlSchemaSetParserErrors(pctxt,
4389 xmlTextReaderValidityErrorRelay,
4390 xmlTextReaderValidityWarningRelay,
4393 reader->xsdSchemas = xmlSchemaParse(pctxt);
4394 xmlSchemaFreeParserCtxt(pctxt);
4395 if (reader->xsdSchemas == NULL)
4397 reader->xsdValidCtxt = xmlSchemaNewValidCtxt(reader->xsdSchemas);
4398 if (reader->xsdValidCtxt == NULL) {
4399 xmlSchemaFree(reader->xsdSchemas);
4400 reader->xsdSchemas = NULL;
4403 reader->xsdPlug = xmlSchemaSAXPlug(reader->xsdValidCtxt,
4404 &(reader->ctxt->sax),
4405 &(reader->ctxt->userData));
4406 if (reader->xsdPlug == NULL) {
4407 xmlSchemaFree(reader->xsdSchemas);
4408 reader->xsdSchemas = NULL;
4409 xmlSchemaFreeValidCtxt(reader->xsdValidCtxt);
4410 reader->xsdValidCtxt = NULL;
4414 /* Use the given validation context. */
4415 reader->xsdValidCtxt = ctxt;
4416 reader->xsdPreserveCtxt = 1;
4417 reader->xsdPlug = xmlSchemaSAXPlug(reader->xsdValidCtxt,
4418 &(reader->ctxt->sax),
4419 &(reader->ctxt->userData));
4420 if (reader->xsdPlug == NULL) {
4421 reader->xsdValidCtxt = NULL;
4422 reader->xsdPreserveCtxt = 0;
4427 * Redirect the validation context's error channels to use
4428 * the reader channels.
4429 * TODO: In case the user provides the validation context we
4430 * could make this redirection optional.
4432 if (reader->errorFunc != NULL) {
4433 xmlSchemaSetValidErrors(reader->xsdValidCtxt,
4434 xmlTextReaderValidityErrorRelay,
4435 xmlTextReaderValidityWarningRelay,
4438 if (reader->sErrorFunc != NULL) {
4439 xmlSchemaSetValidStructuredErrors(reader->xsdValidCtxt,
4440 xmlTextReaderValidityStructuredRelay,
4443 reader->xsdValidErrors = 0;
4444 reader->validate = XML_TEXTREADER_VALIDATE_XSD;
4449 * xmlTextReaderSchemaValidateCtxt:
4450 * @reader: the xmlTextReaderPtr used
4451 * @ctxt: the XML Schema validation context or NULL
4452 * @options: options (not used yet)
4454 * Use W3C XSD schema context to validate the document as it is processed.
4455 * Activation is only possible before the first Read().
4456 * If @ctxt is NULL, then XML Schema validation is deactivated.
4458 * Returns 0 in case the schemas validation could be (de)activated and
4459 * -1 in case of error.
4462 xmlTextReaderSchemaValidateCtxt(xmlTextReaderPtr reader,
4463 xmlSchemaValidCtxtPtr ctxt,
4466 return(xmlTextReaderSchemaValidateInternal(reader, NULL, ctxt, options));
4470 * xmlTextReaderSchemaValidate:
4471 * @reader: the xmlTextReaderPtr used
4472 * @xsd: the path to a W3C XSD schema or NULL
4474 * Use W3C XSD schema to validate the document as it is processed.
4475 * Activation is only possible before the first Read().
4476 * If @xsd is NULL, then XML Schema validation is deactivated.
4478 * Returns 0 in case the schemas validation could be (de)activated and
4479 * -1 in case of error.
4482 xmlTextReaderSchemaValidate(xmlTextReaderPtr reader, const char *xsd)
4484 return(xmlTextReaderSchemaValidateInternal(reader, xsd, NULL, 0));
4488 * xmlTextReaderRelaxNGValidateCtxt:
4489 * @reader: the xmlTextReaderPtr used
4490 * @ctxt: the RelaxNG schema validation context or NULL
4491 * @options: options (not used yet)
4493 * Use RelaxNG schema context to validate the document as it is processed.
4494 * Activation is only possible before the first Read().
4495 * If @ctxt is NULL, then RelaxNG schema validation is deactivated.
4497 * Returns 0 in case the schemas validation could be (de)activated and
4498 * -1 in case of error.
4501 xmlTextReaderRelaxNGValidateCtxt(xmlTextReaderPtr reader,
4502 xmlRelaxNGValidCtxtPtr ctxt,
4505 return(xmlTextReaderRelaxNGValidateInternal(reader, NULL, ctxt, options));
4509 * xmlTextReaderRelaxNGValidate:
4510 * @reader: the xmlTextReaderPtr used
4511 * @rng: the path to a RelaxNG schema or NULL
4513 * Use RelaxNG schema to validate the document as it is processed.
4514 * Activation is only possible before the first Read().
4515 * If @rng is NULL, then RelaxNG schema validation is deactivated.
4517 * Returns 0 in case the schemas validation could be (de)activated and
4518 * -1 in case of error.
4521 xmlTextReaderRelaxNGValidate(xmlTextReaderPtr reader, const char *rng)
4523 return(xmlTextReaderRelaxNGValidateInternal(reader, rng, NULL, 0));
4529 * xmlTextReaderIsNamespaceDecl:
4530 * @reader: the xmlTextReaderPtr used
4532 * Determine whether the current node is a namespace declaration
4533 * rather than a regular attribute.
4535 * Returns 1 if the current node is a namespace declaration, 0 if it
4536 * is a regular attribute or other type of node, or -1 in case of
4540 xmlTextReaderIsNamespaceDecl(xmlTextReaderPtr reader) {
4544 if (reader->node == NULL)
4546 if (reader->curnode != NULL)
4547 node = reader->curnode;
4549 node = reader->node;
4551 if (XML_NAMESPACE_DECL == node->type)
4558 * xmlTextReaderConstXmlVersion:
4559 * @reader: the xmlTextReaderPtr used
4561 * Determine the XML version of the document being read.
4563 * Returns a string containing the XML version of the document or NULL
4564 * in case of error. The string is deallocated with the reader.
4567 xmlTextReaderConstXmlVersion(xmlTextReaderPtr reader) {
4568 xmlDocPtr doc = NULL;
4571 if (reader->doc != NULL)
4573 else if (reader->ctxt != NULL)
4574 doc = reader->ctxt->myDoc;
4578 if (doc->version == NULL)
4581 return(CONSTSTR(doc->version));
4585 * xmlTextReaderStandalone:
4586 * @reader: the xmlTextReaderPtr used
4588 * Determine the standalone status of the document being read.
4590 * Returns 1 if the document was declared to be standalone, 0 if it
4591 * was declared to be not standalone, or -1 if the document did not
4592 * specify its standalone status or in case of error.
4595 xmlTextReaderStandalone(xmlTextReaderPtr reader) {
4596 xmlDocPtr doc = NULL;
4599 if (reader->doc != NULL)
4601 else if (reader->ctxt != NULL)
4602 doc = reader->ctxt->myDoc;
4606 return(doc->standalone);
4609 /************************************************************************
4611 * Error Handling Extensions *
4613 ************************************************************************/
4615 /* helper to build a xmlMalloc'ed string from a format and va_list */
4617 xmlTextReaderBuildMessage(const char *msg, va_list ap) {
4626 chars = vsnprintf(str, size, msg, aq);
4629 xmlGenericError(xmlGenericErrorContext, "vsnprintf failed !\n");
4634 if ((chars < size) || (size == MAX_ERR_MSG_SIZE))
4636 if (chars < MAX_ERR_MSG_SIZE)
4639 size = MAX_ERR_MSG_SIZE;
4640 if ((larger = (char *) xmlRealloc(str, size)) == NULL) {
4641 xmlGenericError(xmlGenericErrorContext, "xmlRealloc failed !\n");
4653 * xmlTextReaderLocatorLineNumber:
4654 * @locator: the xmlTextReaderLocatorPtr used
4656 * Obtain the line number for the given locator.
4658 * Returns the line number or -1 in case of error.
4661 xmlTextReaderLocatorLineNumber(xmlTextReaderLocatorPtr locator) {
4662 /* we know that locator is a xmlParserCtxtPtr */
4663 xmlParserCtxtPtr ctx = (xmlParserCtxtPtr)locator;
4666 if (locator == NULL)
4668 if (ctx->node != NULL) {
4669 ret = xmlGetLineNo(ctx->node);
4672 /* inspired from error.c */
4673 xmlParserInputPtr input;
4675 if ((input->filename == NULL) && (ctx->inputNr > 1))
4676 input = ctx->inputTab[ctx->inputNr - 2];
4677 if (input != NULL) {
4689 * xmlTextReaderLocatorBaseURI:
4690 * @locator: the xmlTextReaderLocatorPtr used
4692 * Obtain the base URI for the given locator.
4694 * Returns the base URI or NULL in case of error,
4695 * if non NULL it need to be freed by the caller.
4698 xmlTextReaderLocatorBaseURI(xmlTextReaderLocatorPtr locator) {
4699 /* we know that locator is a xmlParserCtxtPtr */
4700 xmlParserCtxtPtr ctx = (xmlParserCtxtPtr)locator;
4701 xmlChar *ret = NULL;
4703 if (locator == NULL)
4705 if (ctx->node != NULL) {
4706 ret = xmlNodeGetBase(NULL,ctx->node);
4709 /* inspired from error.c */
4710 xmlParserInputPtr input;
4712 if ((input->filename == NULL) && (ctx->inputNr > 1))
4713 input = ctx->inputTab[ctx->inputNr - 2];
4714 if (input != NULL) {
4715 ret = xmlStrdup(BAD_CAST input->filename);
4726 xmlTextReaderGenericError(void *ctxt, xmlParserSeverities severity,
4729 xmlParserCtxtPtr ctx = (xmlParserCtxtPtr) ctxt;
4731 xmlTextReaderPtr reader = (xmlTextReaderPtr) ctx->_private;
4734 if (reader->errorFunc)
4735 reader->errorFunc(reader->errorFuncArg, str, severity,
4736 (xmlTextReaderLocatorPtr) ctx);
4742 xmlTextReaderStructuredError(void *ctxt, xmlErrorPtr error)
4744 xmlParserCtxtPtr ctx = (xmlParserCtxtPtr) ctxt;
4746 xmlTextReaderPtr reader = (xmlTextReaderPtr) ctx->_private;
4748 if (error && reader->sErrorFunc) {
4749 reader->sErrorFunc(reader->errorFuncArg, (xmlErrorPtr) error);
4753 static void XMLCDECL
4754 xmlTextReaderError(void *ctxt, const char *msg, ...)
4759 xmlTextReaderGenericError(ctxt,
4760 XML_PARSER_SEVERITY_ERROR,
4761 xmlTextReaderBuildMessage(msg, ap));
4766 static void XMLCDECL
4767 xmlTextReaderWarning(void *ctxt, const char *msg, ...)
4772 xmlTextReaderGenericError(ctxt,
4773 XML_PARSER_SEVERITY_WARNING,
4774 xmlTextReaderBuildMessage(msg, ap));
4778 static void XMLCDECL
4779 xmlTextReaderValidityError(void *ctxt, const char *msg, ...)
4783 int len = xmlStrlen((const xmlChar *) msg);
4785 if ((len > 1) && (msg[len - 2] != ':')) {
4787 * some callbacks only report locator information:
4788 * skip them (mimicking behaviour in error.c)
4791 xmlTextReaderGenericError(ctxt,
4792 XML_PARSER_SEVERITY_VALIDITY_ERROR,
4793 xmlTextReaderBuildMessage(msg, ap));
4798 static void XMLCDECL
4799 xmlTextReaderValidityWarning(void *ctxt, const char *msg, ...)
4803 int len = xmlStrlen((const xmlChar *) msg);
4805 if ((len != 0) && (msg[len - 1] != ':')) {
4807 * some callbacks only report locator information:
4808 * skip them (mimicking behaviour in error.c)
4811 xmlTextReaderGenericError(ctxt,
4812 XML_PARSER_SEVERITY_VALIDITY_WARNING,
4813 xmlTextReaderBuildMessage(msg, ap));
4819 * xmlTextReaderSetErrorHandler:
4820 * @reader: the xmlTextReaderPtr used
4821 * @f: the callback function to call on error and warnings
4822 * @arg: a user argument to pass to the callback function
4824 * Register a callback function that will be called on error and warnings.
4826 * If @f is NULL, the default error and warning handlers are restored.
4829 xmlTextReaderSetErrorHandler(xmlTextReaderPtr reader,
4830 xmlTextReaderErrorFunc f, void *arg)
4833 reader->ctxt->sax->error = xmlTextReaderError;
4834 reader->ctxt->sax->serror = NULL;
4835 reader->ctxt->vctxt.error = xmlTextReaderValidityError;
4836 reader->ctxt->sax->warning = xmlTextReaderWarning;
4837 reader->ctxt->vctxt.warning = xmlTextReaderValidityWarning;
4838 reader->errorFunc = f;
4839 reader->sErrorFunc = NULL;
4840 reader->errorFuncArg = arg;
4841 #ifdef LIBXML_SCHEMAS_ENABLED
4842 if (reader->rngValidCtxt) {
4843 xmlRelaxNGSetValidErrors(reader->rngValidCtxt,
4844 xmlTextReaderValidityErrorRelay,
4845 xmlTextReaderValidityWarningRelay,
4847 xmlRelaxNGSetValidStructuredErrors(reader->rngValidCtxt, NULL,
4850 if (reader->xsdValidCtxt) {
4851 xmlSchemaSetValidErrors(reader->xsdValidCtxt,
4852 xmlTextReaderValidityErrorRelay,
4853 xmlTextReaderValidityWarningRelay,
4855 xmlSchemaSetValidStructuredErrors(reader->xsdValidCtxt, NULL,
4860 /* restore defaults */
4861 reader->ctxt->sax->error = xmlParserError;
4862 reader->ctxt->vctxt.error = xmlParserValidityError;
4863 reader->ctxt->sax->warning = xmlParserWarning;
4864 reader->ctxt->vctxt.warning = xmlParserValidityWarning;
4865 reader->errorFunc = NULL;
4866 reader->sErrorFunc = NULL;
4867 reader->errorFuncArg = NULL;
4868 #ifdef LIBXML_SCHEMAS_ENABLED
4869 if (reader->rngValidCtxt) {
4870 xmlRelaxNGSetValidErrors(reader->rngValidCtxt, NULL, NULL,
4872 xmlRelaxNGSetValidStructuredErrors(reader->rngValidCtxt, NULL,
4875 if (reader->xsdValidCtxt) {
4876 xmlSchemaSetValidErrors(reader->xsdValidCtxt, NULL, NULL,
4878 xmlSchemaSetValidStructuredErrors(reader->xsdValidCtxt, NULL,
4886 * xmlTextReaderSetStructuredErrorHandler:
4887 * @reader: the xmlTextReaderPtr used
4888 * @f: the callback function to call on error and warnings
4889 * @arg: a user argument to pass to the callback function
4891 * Register a callback function that will be called on error and warnings.
4893 * If @f is NULL, the default error and warning handlers are restored.
4896 xmlTextReaderSetStructuredErrorHandler(xmlTextReaderPtr reader,
4897 xmlStructuredErrorFunc f, void *arg)
4900 reader->ctxt->sax->error = NULL;
4901 reader->ctxt->sax->serror = xmlTextReaderStructuredError;
4902 reader->ctxt->vctxt.error = xmlTextReaderValidityError;
4903 reader->ctxt->sax->warning = xmlTextReaderWarning;
4904 reader->ctxt->vctxt.warning = xmlTextReaderValidityWarning;
4905 reader->sErrorFunc = f;
4906 reader->errorFunc = NULL;
4907 reader->errorFuncArg = arg;
4908 #ifdef LIBXML_SCHEMAS_ENABLED
4909 if (reader->rngValidCtxt) {
4910 xmlRelaxNGSetValidErrors(reader->rngValidCtxt, NULL, NULL,
4912 xmlRelaxNGSetValidStructuredErrors(reader->rngValidCtxt,
4913 xmlTextReaderValidityStructuredRelay,
4916 if (reader->xsdValidCtxt) {
4917 xmlSchemaSetValidErrors(reader->xsdValidCtxt, NULL, NULL,
4919 xmlSchemaSetValidStructuredErrors(reader->xsdValidCtxt,
4920 xmlTextReaderValidityStructuredRelay,
4925 /* restore defaults */
4926 reader->ctxt->sax->error = xmlParserError;
4927 reader->ctxt->sax->serror = NULL;
4928 reader->ctxt->vctxt.error = xmlParserValidityError;
4929 reader->ctxt->sax->warning = xmlParserWarning;
4930 reader->ctxt->vctxt.warning = xmlParserValidityWarning;
4931 reader->errorFunc = NULL;
4932 reader->sErrorFunc = NULL;
4933 reader->errorFuncArg = NULL;
4934 #ifdef LIBXML_SCHEMAS_ENABLED
4935 if (reader->rngValidCtxt) {
4936 xmlRelaxNGSetValidErrors(reader->rngValidCtxt, NULL, NULL,
4938 xmlRelaxNGSetValidStructuredErrors(reader->rngValidCtxt, NULL,
4941 if (reader->xsdValidCtxt) {
4942 xmlSchemaSetValidErrors(reader->xsdValidCtxt, NULL, NULL,
4944 xmlSchemaSetValidStructuredErrors(reader->xsdValidCtxt, NULL,
4952 * xmlTextReaderIsValid:
4953 * @reader: the xmlTextReaderPtr used
4955 * Retrieve the validity status from the parser context
4957 * Returns the flag value 1 if valid, 0 if no, and -1 in case of error
4960 xmlTextReaderIsValid(xmlTextReaderPtr reader)
4964 #ifdef LIBXML_SCHEMAS_ENABLED
4965 if (reader->validate == XML_TEXTREADER_VALIDATE_RNG)
4966 return (reader->rngValidErrors == 0);
4967 if (reader->validate == XML_TEXTREADER_VALIDATE_XSD)
4968 return (reader->xsdValidErrors == 0);
4970 if ((reader->ctxt != NULL) && (reader->ctxt->validate == 1))
4971 return (reader->ctxt->valid);
4976 * xmlTextReaderGetErrorHandler:
4977 * @reader: the xmlTextReaderPtr used
4978 * @f: the callback function or NULL is no callback has been registered
4979 * @arg: a user argument
4981 * Retrieve the error callback function and user argument.
4984 xmlTextReaderGetErrorHandler(xmlTextReaderPtr reader,
4985 xmlTextReaderErrorFunc * f, void **arg)
4988 *f = reader->errorFunc;
4990 *arg = reader->errorFuncArg;
4992 /************************************************************************
4994 * New set (2.6.0) of simpler and more flexible APIs *
4996 ************************************************************************/
4999 * xmlTextReaderSetup:
5000 * @reader: an XML reader
5001 * @input: xmlParserInputBufferPtr used to feed the reader, will
5002 * be destroyed with it.
5003 * @URL: the base URL to use for the document
5004 * @encoding: the document encoding, or NULL
5005 * @options: a combination of xmlParserOption
5007 * Setup an XML reader with new options
5009 * Returns 0 in case of success and -1 in case of error.
5012 xmlTextReaderSetup(xmlTextReaderPtr reader,
5013 xmlParserInputBufferPtr input, const char *URL,
5014 const char *encoding, int options)
5016 if (reader == NULL) {
5018 xmlFreeParserInputBuffer(input);
5023 * we force the generation of compact text nodes on the reader
5024 * since usr applications should never modify the tree
5026 options |= XML_PARSE_COMPACT;
5030 reader->parserFlags = options;
5031 reader->validate = XML_TEXTREADER_NOT_VALIDATE;
5032 if ((input != NULL) && (reader->input != NULL) &&
5033 (reader->allocs & XML_TEXTREADER_INPUT)) {
5034 xmlFreeParserInputBuffer(reader->input);
5035 reader->input = NULL;
5036 reader->allocs -= XML_TEXTREADER_INPUT;
5038 if (input != NULL) {
5039 reader->input = input;
5040 reader->allocs |= XML_TEXTREADER_INPUT;
5042 if (reader->buffer == NULL)
5043 reader->buffer = xmlBufferCreateSize(100);
5044 if (reader->buffer == NULL) {
5045 xmlGenericError(xmlGenericErrorContext,
5046 "xmlTextReaderSetup : malloc failed\n");
5049 if (reader->sax == NULL)
5050 reader->sax = (xmlSAXHandler *) xmlMalloc(sizeof(xmlSAXHandler));
5051 if (reader->sax == NULL) {
5052 xmlGenericError(xmlGenericErrorContext,
5053 "xmlTextReaderSetup : malloc failed\n");
5056 xmlSAXVersion(reader->sax, 2);
5057 reader->startElement = reader->sax->startElement;
5058 reader->sax->startElement = xmlTextReaderStartElement;
5059 reader->endElement = reader->sax->endElement;
5060 reader->sax->endElement = xmlTextReaderEndElement;
5061 #ifdef LIBXML_SAX1_ENABLED
5062 if (reader->sax->initialized == XML_SAX2_MAGIC) {
5063 #endif /* LIBXML_SAX1_ENABLED */
5064 reader->startElementNs = reader->sax->startElementNs;
5065 reader->sax->startElementNs = xmlTextReaderStartElementNs;
5066 reader->endElementNs = reader->sax->endElementNs;
5067 reader->sax->endElementNs = xmlTextReaderEndElementNs;
5068 #ifdef LIBXML_SAX1_ENABLED
5070 reader->startElementNs = NULL;
5071 reader->endElementNs = NULL;
5073 #endif /* LIBXML_SAX1_ENABLED */
5074 reader->characters = reader->sax->characters;
5075 reader->sax->characters = xmlTextReaderCharacters;
5076 reader->sax->ignorableWhitespace = xmlTextReaderCharacters;
5077 reader->cdataBlock = reader->sax->cdataBlock;
5078 reader->sax->cdataBlock = xmlTextReaderCDataBlock;
5080 reader->mode = XML_TEXTREADER_MODE_INITIAL;
5081 reader->node = NULL;
5082 reader->curnode = NULL;
5083 if (input != NULL) {
5084 if (reader->input->buffer->use < 4) {
5085 xmlParserInputBufferRead(input, 4);
5087 if (reader->ctxt == NULL) {
5088 if (reader->input->buffer->use >= 4) {
5089 reader->ctxt = xmlCreatePushParserCtxt(reader->sax, NULL,
5090 (const char *) reader->input->buffer->content, 4, URL);
5095 xmlCreatePushParserCtxt(reader->sax, NULL, NULL, 0, URL);
5100 xmlParserInputPtr inputStream;
5101 xmlParserInputBufferPtr buf;
5102 xmlCharEncoding enc = XML_CHAR_ENCODING_NONE;
5104 xmlCtxtReset(reader->ctxt);
5105 buf = xmlAllocParserInputBuffer(enc);
5106 if (buf == NULL) return(-1);
5107 inputStream = xmlNewInputStream(reader->ctxt);
5108 if (inputStream == NULL) {
5109 xmlFreeParserInputBuffer(buf);
5114 inputStream->filename = NULL;
5116 inputStream->filename = (char *)
5117 xmlCanonicPath((const xmlChar *) URL);
5118 inputStream->buf = buf;
5119 inputStream->base = inputStream->buf->buffer->content;
5120 inputStream->cur = inputStream->buf->buffer->content;
5122 &inputStream->buf->buffer->content[inputStream->buf->buffer->use];
5124 inputPush(reader->ctxt, inputStream);
5127 if (reader->ctxt == NULL) {
5128 xmlGenericError(xmlGenericErrorContext,
5129 "xmlTextReaderSetup : malloc failed\n");
5133 if (reader->dict != NULL) {
5134 if (reader->ctxt->dict != NULL) {
5135 if (reader->dict != reader->ctxt->dict) {
5136 xmlDictFree(reader->dict);
5137 reader->dict = reader->ctxt->dict;
5140 reader->ctxt->dict = reader->dict;
5143 if (reader->ctxt->dict == NULL)
5144 reader->ctxt->dict = xmlDictCreate();
5145 reader->dict = reader->ctxt->dict;
5147 reader->ctxt->_private = reader;
5148 reader->ctxt->linenumbers = 1;
5149 reader->ctxt->dictNames = 1;
5151 * use the parser dictionnary to allocate all elements and attributes names
5153 reader->ctxt->docdict = 1;
5154 reader->ctxt->parseMode = XML_PARSE_READER;
5156 #ifdef LIBXML_XINCLUDE_ENABLED
5157 if (reader->xincctxt != NULL) {
5158 xmlXIncludeFreeContext(reader->xincctxt);
5159 reader->xincctxt = NULL;
5161 if (options & XML_PARSE_XINCLUDE) {
5162 reader->xinclude = 1;
5163 reader->xinclude_name = xmlDictLookup(reader->dict, XINCLUDE_NODE, -1);
5164 options -= XML_PARSE_XINCLUDE;
5166 reader->xinclude = 0;
5167 reader->in_xinclude = 0;
5169 #ifdef LIBXML_PATTERN_ENABLED
5170 if (reader->patternTab == NULL) {
5171 reader->patternNr = 0;
5172 reader->patternMax = 0;
5174 while (reader->patternNr > 0) {
5175 reader->patternNr--;
5176 if (reader->patternTab[reader->patternNr] != NULL) {
5177 xmlFreePattern(reader->patternTab[reader->patternNr]);
5178 reader->patternTab[reader->patternNr] = NULL;
5183 if (options & XML_PARSE_DTDVALID)
5184 reader->validate = XML_TEXTREADER_VALIDATE_DTD;
5186 xmlCtxtUseOptions(reader->ctxt, options);
5187 if (encoding != NULL) {
5188 xmlCharEncodingHandlerPtr hdlr;
5190 hdlr = xmlFindCharEncodingHandler(encoding);
5192 xmlSwitchToEncoding(reader->ctxt, hdlr);
5194 if ((URL != NULL) && (reader->ctxt->input != NULL) &&
5195 (reader->ctxt->input->filename == NULL))
5196 reader->ctxt->input->filename = (char *)
5197 xmlStrdup((const xmlChar *) URL);
5205 * xmlTextReaderByteConsumed:
5206 * @reader: an XML reader
5208 * This function provides the current index of the parser used
5209 * by the reader, relative to the start of the current entity.
5210 * This function actually just wraps a call to xmlBytesConsumed()
5211 * for the parser context associated with the reader.
5212 * See xmlBytesConsumed() for more information.
5214 * Returns the index in bytes from the beginning of the entity or -1
5215 * in case the index could not be computed.
5218 xmlTextReaderByteConsumed(xmlTextReaderPtr reader) {
5219 if ((reader == NULL) || (reader->ctxt == NULL))
5221 return(xmlByteConsumed(reader->ctxt));
5227 * @doc: a preparsed document
5229 * Create an xmltextReader for a preparsed document.
5231 * Returns the new reader or NULL in case of error.
5234 xmlReaderWalker(xmlDocPtr doc)
5236 xmlTextReaderPtr ret;
5241 ret = xmlMalloc(sizeof(xmlTextReader));
5243 xmlGenericError(xmlGenericErrorContext,
5244 "xmlNewTextReader : malloc failed\n");
5247 memset(ret, 0, sizeof(xmlTextReader));
5250 ret->mode = XML_TEXTREADER_MODE_INITIAL;
5252 ret->curnode = NULL;
5255 ret->allocs = XML_TEXTREADER_CTXT;
5257 ret->state = XML_TEXTREADER_START;
5258 ret->dict = xmlDictCreate();
5264 * @cur: a pointer to a zero terminated string
5265 * @URL: the base URL to use for the document
5266 * @encoding: the document encoding, or NULL
5267 * @options: a combination of xmlParserOption
5269 * Create an xmltextReader for an XML in-memory document.
5270 * The parsing flags @options are a combination of xmlParserOption.
5272 * Returns the new reader or NULL in case of error.
5275 xmlReaderForDoc(const xmlChar * cur, const char *URL, const char *encoding,
5282 len = xmlStrlen(cur);
5284 return (xmlReaderForMemory
5285 ((const char *) cur, len, URL, encoding, options));
5290 * @filename: a file or URL
5291 * @encoding: the document encoding, or NULL
5292 * @options: a combination of xmlParserOption
5294 * parse an XML file from the filesystem or the network.
5295 * The parsing flags @options are a combination of xmlParserOption.
5297 * Returns the new reader or NULL in case of error.
5300 xmlReaderForFile(const char *filename, const char *encoding, int options)
5302 xmlTextReaderPtr reader;
5304 reader = xmlNewTextReaderFilename(filename);
5307 xmlTextReaderSetup(reader, NULL, NULL, encoding, options);
5312 * xmlReaderForMemory:
5313 * @buffer: a pointer to a char array
5314 * @size: the size of the array
5315 * @URL: the base URL to use for the document
5316 * @encoding: the document encoding, or NULL
5317 * @options: a combination of xmlParserOption
5319 * Create an xmltextReader for an XML in-memory document.
5320 * The parsing flags @options are a combination of xmlParserOption.
5322 * Returns the new reader or NULL in case of error.
5325 xmlReaderForMemory(const char *buffer, int size, const char *URL,
5326 const char *encoding, int options)
5328 xmlTextReaderPtr reader;
5329 xmlParserInputBufferPtr buf;
5331 buf = xmlParserInputBufferCreateStatic(buffer, size,
5332 XML_CHAR_ENCODING_NONE);
5336 reader = xmlNewTextReader(buf, URL);
5337 if (reader == NULL) {
5338 xmlFreeParserInputBuffer(buf);
5341 reader->allocs |= XML_TEXTREADER_INPUT;
5342 xmlTextReaderSetup(reader, NULL, URL, encoding, options);
5348 * @fd: an open file descriptor
5349 * @URL: the base URL to use for the document
5350 * @encoding: the document encoding, or NULL
5351 * @options: a combination of xmlParserOption
5353 * Create an xmltextReader for an XML from a file descriptor.
5354 * The parsing flags @options are a combination of xmlParserOption.
5355 * NOTE that the file descriptor will not be closed when the
5356 * reader is closed or reset.
5358 * Returns the new reader or NULL in case of error.
5361 xmlReaderForFd(int fd, const char *URL, const char *encoding, int options)
5363 xmlTextReaderPtr reader;
5364 xmlParserInputBufferPtr input;
5369 input = xmlParserInputBufferCreateFd(fd, XML_CHAR_ENCODING_NONE);
5372 input->closecallback = NULL;
5373 reader = xmlNewTextReader(input, URL);
5374 if (reader == NULL) {
5375 xmlFreeParserInputBuffer(input);
5378 reader->allocs |= XML_TEXTREADER_INPUT;
5379 xmlTextReaderSetup(reader, NULL, URL, encoding, options);
5385 * @ioread: an I/O read function
5386 * @ioclose: an I/O close function
5387 * @ioctx: an I/O handler
5388 * @URL: the base URL to use for the document
5389 * @encoding: the document encoding, or NULL
5390 * @options: a combination of xmlParserOption
5392 * Create an xmltextReader for an XML document from I/O functions and source.
5393 * The parsing flags @options are a combination of xmlParserOption.
5395 * Returns the new reader or NULL in case of error.
5398 xmlReaderForIO(xmlInputReadCallback ioread, xmlInputCloseCallback ioclose,
5399 void *ioctx, const char *URL, const char *encoding,
5402 xmlTextReaderPtr reader;
5403 xmlParserInputBufferPtr input;
5408 input = xmlParserInputBufferCreateIO(ioread, ioclose, ioctx,
5409 XML_CHAR_ENCODING_NONE);
5410 if (input == NULL) {
5411 if (ioclose != NULL)
5415 reader = xmlNewTextReader(input, URL);
5416 if (reader == NULL) {
5417 xmlFreeParserInputBuffer(input);
5420 reader->allocs |= XML_TEXTREADER_INPUT;
5421 xmlTextReaderSetup(reader, NULL, URL, encoding, options);
5426 * xmlReaderNewWalker:
5427 * @reader: an XML reader
5428 * @doc: a preparsed document
5430 * Setup an xmltextReader to parse a preparsed XML document.
5431 * This reuses the existing @reader xmlTextReader.
5433 * Returns 0 in case of success and -1 in case of error
5436 xmlReaderNewWalker(xmlTextReaderPtr reader, xmlDocPtr doc)
5443 if (reader->input != NULL) {
5444 xmlFreeParserInputBuffer(reader->input);
5446 if (reader->ctxt != NULL) {
5447 xmlCtxtReset(reader->ctxt);
5451 reader->input = NULL;
5452 reader->mode = XML_TEXTREADER_MODE_INITIAL;
5453 reader->node = NULL;
5454 reader->curnode = NULL;
5457 reader->allocs = XML_TEXTREADER_CTXT;
5459 reader->state = XML_TEXTREADER_START;
5460 if (reader->dict == NULL) {
5461 if ((reader->ctxt != NULL) && (reader->ctxt->dict != NULL))
5462 reader->dict = reader->ctxt->dict;
5464 reader->dict = xmlDictCreate();
5471 * @reader: an XML reader
5472 * @cur: a pointer to a zero terminated string
5473 * @URL: the base URL to use for the document
5474 * @encoding: the document encoding, or NULL
5475 * @options: a combination of xmlParserOption
5477 * Setup an xmltextReader to parse an XML in-memory document.
5478 * The parsing flags @options are a combination of xmlParserOption.
5479 * This reuses the existing @reader xmlTextReader.
5481 * Returns 0 in case of success and -1 in case of error
5484 xmlReaderNewDoc(xmlTextReaderPtr reader, const xmlChar * cur,
5485 const char *URL, const char *encoding, int options)
5495 len = xmlStrlen(cur);
5496 return (xmlReaderNewMemory(reader, (const char *)cur, len,
5497 URL, encoding, options));
5502 * @reader: an XML reader
5503 * @filename: a file or URL
5504 * @encoding: the document encoding, or NULL
5505 * @options: a combination of xmlParserOption
5507 * parse an XML file from the filesystem or the network.
5508 * The parsing flags @options are a combination of xmlParserOption.
5509 * This reuses the existing @reader xmlTextReader.
5511 * Returns 0 in case of success and -1 in case of error
5514 xmlReaderNewFile(xmlTextReaderPtr reader, const char *filename,
5515 const char *encoding, int options)
5517 xmlParserInputBufferPtr input;
5519 if (filename == NULL)
5525 xmlParserInputBufferCreateFilename(filename,
5526 XML_CHAR_ENCODING_NONE);
5529 return (xmlTextReaderSetup(reader, input, filename, encoding, options));
5533 * xmlReaderNewMemory:
5534 * @reader: an XML reader
5535 * @buffer: a pointer to a char array
5536 * @size: the size of the array
5537 * @URL: the base URL to use for the document
5538 * @encoding: the document encoding, or NULL
5539 * @options: a combination of xmlParserOption
5541 * Setup an xmltextReader to parse an XML in-memory document.
5542 * The parsing flags @options are a combination of xmlParserOption.
5543 * This reuses the existing @reader xmlTextReader.
5545 * Returns 0 in case of success and -1 in case of error
5548 xmlReaderNewMemory(xmlTextReaderPtr reader, const char *buffer, int size,
5549 const char *URL, const char *encoding, int options)
5551 xmlParserInputBufferPtr input;
5558 input = xmlParserInputBufferCreateStatic(buffer, size,
5559 XML_CHAR_ENCODING_NONE);
5560 if (input == NULL) {
5563 return (xmlTextReaderSetup(reader, input, URL, encoding, options));
5568 * @reader: an XML reader
5569 * @fd: an open file descriptor
5570 * @URL: the base URL to use for the document
5571 * @encoding: the document encoding, or NULL
5572 * @options: a combination of xmlParserOption
5574 * Setup an xmltextReader to parse an XML from a file descriptor.
5575 * NOTE that the file descriptor will not be closed when the
5576 * reader is closed or reset.
5577 * The parsing flags @options are a combination of xmlParserOption.
5578 * This reuses the existing @reader xmlTextReader.
5580 * Returns 0 in case of success and -1 in case of error
5583 xmlReaderNewFd(xmlTextReaderPtr reader, int fd,
5584 const char *URL, const char *encoding, int options)
5586 xmlParserInputBufferPtr input;
5593 input = xmlParserInputBufferCreateFd(fd, XML_CHAR_ENCODING_NONE);
5596 input->closecallback = NULL;
5597 return (xmlTextReaderSetup(reader, input, URL, encoding, options));
5602 * @reader: an XML reader
5603 * @ioread: an I/O read function
5604 * @ioclose: an I/O close function
5605 * @ioctx: an I/O handler
5606 * @URL: the base URL to use for the document
5607 * @encoding: the document encoding, or NULL
5608 * @options: a combination of xmlParserOption
5610 * Setup an xmltextReader to parse an XML document from I/O functions
5612 * The parsing flags @options are a combination of xmlParserOption.
5613 * This reuses the existing @reader xmlTextReader.
5615 * Returns 0 in case of success and -1 in case of error
5618 xmlReaderNewIO(xmlTextReaderPtr reader, xmlInputReadCallback ioread,
5619 xmlInputCloseCallback ioclose, void *ioctx,
5620 const char *URL, const char *encoding, int options)
5622 xmlParserInputBufferPtr input;
5629 input = xmlParserInputBufferCreateIO(ioread, ioclose, ioctx,
5630 XML_CHAR_ENCODING_NONE);
5631 if (input == NULL) {
5632 if (ioclose != NULL)
5636 return (xmlTextReaderSetup(reader, input, URL, encoding, options));
5639 /************************************************************************
5643 ************************************************************************/
5648 * @in: the input buffer
5649 * @inlen: the size of the input (in), the size read from it (out)
5650 * @to: the output buffer
5651 * @tolen: the size of the output (in), the size written to (out)
5653 * Base64 decoder, reads from @in and save in @to
5654 * TODO: tell jody when this is actually exported
5656 * Returns 0 if all the input was consumer, 1 if the Base64 end was reached,
5657 * 2 if there wasn't enough space on the output or -1 in case of error.
5660 xmlBase64Decode(const unsigned char *in, unsigned long *inlen,
5661 unsigned char *to, unsigned long *tolen)
5663 unsigned long incur; /* current index in in[] */
5665 unsigned long inblk; /* last block index in in[] */
5667 unsigned long outcur; /* current index in out[] */
5669 unsigned long inmax; /* size of in[] */
5671 unsigned long outmax; /* size of out[] */
5673 unsigned char cur; /* the current value read from in[] */
5675 unsigned char intmp[4], outtmp[4]; /* temporary buffers for the convert */
5677 int nbintmp; /* number of byte in intmp[] */
5679 int is_ignore; /* cur should be ignored */
5681 int is_end = 0; /* the end of the base64 was found */
5687 if ((in == NULL) || (inlen == NULL) || (to == NULL) || (tolen == NULL))
5702 if ((cur >= 'A') && (cur <= 'Z'))
5704 else if ((cur >= 'a') && (cur <= 'z'))
5705 cur = cur - 'a' + 26;
5706 else if ((cur >= '0') && (cur <= '9'))
5707 cur = cur - '0' + 52;
5708 else if (cur == '+')
5710 else if (cur == '/')
5712 else if (cur == '.')
5714 else if (cur == '=') /*no op , end of the base64 stream */
5730 if ((nbintmp == 1) || (nbintmp == 2))
5737 intmp[nbintmp++] = cur;
5739 * if intmp is full, push the 4byte sequence as a 3 byte
5744 outtmp[0] = (intmp[0] << 2) | ((intmp[1] & 0x30) >> 4);
5746 ((intmp[1] & 0x0F) << 4) | ((intmp[2] & 0x3C) >> 2);
5747 outtmp[2] = ((intmp[2] & 0x03) << 6) | (intmp[3] & 0x3F);
5748 if (outcur + 3 >= outmax) {
5753 for (i = 0; i < nbouttmp; i++)
5754 to[outcur++] = outtmp[i];
5771 * Test routine for the xmlBase64Decode function
5775 main(int argc, char **argv)
5777 char *input = " VW4 gcGV0 \n aXQgdGVzdCAuCg== ";
5785 unsigned long inlen = strlen(input);
5787 unsigned long outlen = 100;
5791 unsigned long cons, tmp, tmp2, prod;
5796 ret = xmlBase64Decode(input, &inlen, output, &outlen);
5799 printf("ret: %d, inlen: %ld , outlen: %ld, output: '%s'\n", ret, inlen,
5800 outlen, output)indent: Standard input:179: Error:Unmatched #endif
5808 while (cons < inlen) {
5810 tmp2 = inlen - cons;
5812 printf("%ld %ld\n", cons, prod);
5813 ret = xmlBase64Decode(&input[cons], &tmp2, &output2[prod], &tmp);
5816 printf("%ld %ld\n", cons, prod);
5818 output2[outlen] = 0;
5819 printf("ret: %d, cons: %ld , prod: %ld, output: '%s'\n", ret, cons,
5827 while (cons < inlen) {
5829 tmp2 = inlen - cons;
5833 printf("%ld %ld\n", cons, prod);
5834 ret = xmlBase64Decode(&input[cons], &tmp2, &output3[prod], &tmp);
5837 printf("%ld %ld\n", cons, prod);
5839 output3[outlen] = 0;
5840 printf("ret: %d, cons: %ld , prod: %ld, output: '%s'\n", ret, cons,
5846 #endif /* NOT_USED_YET */
5847 #define bottom_xmlreader
5848 #include "elfgcchack.h"
5849 #endif /* LIBXML_READER_ENABLED */