diff options
Diffstat (limited to 'bundle/libxml/xmlreader.c')
| -rw-r--r-- | bundle/libxml/xmlreader.c | 882 |
1 files changed, 0 insertions, 882 deletions
diff --git a/bundle/libxml/xmlreader.c b/bundle/libxml/xmlreader.c deleted file mode 100644 index 65ca8e8ae1..0000000000 --- a/bundle/libxml/xmlreader.c +++ /dev/null @@ -1,882 +0,0 @@ -/* - * xmlreader.c: implements the xmlTextReader streaming node API - * - * See Copyright for the status of this software. - * - * daniel@veillard.com - */ - -#define IN_LIBXML -#include "libxml.h" - -#include <string.h> /* for memset() only ! */ - -#ifdef HAVE_CTYPE_H -#include <ctype.h> -#endif -#ifdef HAVE_STDLIB_H -#include <stdlib.h> -#endif - -#include <libxml/xmlmemory.h> -#include <libxml/xmlIO.h> -#include <libxml/xmlreader.h> - -/* #define DEBUG_CALLBACKS */ -/* #define DEBUG_READER */ - -/** - * TODO: - * - * macro to flag unimplemented blocks - */ -#define TODO \ - xmlGenericError(xmlGenericErrorContext, \ - "Unimplemented block at %s:%d\n", \ - __FILE__, __LINE__); - -#ifdef DEBUG_READER -#define DUMP_READER xmlTextReaderDebug(reader); -#else -#define DUMP_READER -#endif - -/************************************************************************ - * * - * The parser: maps the Text Reader API on top of the existing * - * parsing routines building a tree * - * * - ************************************************************************/ - -#define XML_TEXTREADER_INPUT 1 -#define XML_TEXTREADER_CTXT 2 - -typedef enum { - XML_TEXTREADER_MODE_NORMAL = 0, - XML_TEXTREADER_MODE_EOF = 1 -} xmlTextReaderMode; - -typedef enum { - XML_TEXTREADER_NONE = -1, - XML_TEXTREADER_START= 0, - XML_TEXTREADER_ELEMENT= 1, - XML_TEXTREADER_END= 2, - XML_TEXTREADER_EMPTY= 3, - XML_TEXTREADER_BACKTRACK= 4 -} xmlTextReaderState; - -struct _xmlTextReader { - int mode; /* the parsing mode */ - int allocs; /* what structure were deallocated */ - xmlTextReaderState state; - xmlParserCtxtPtr ctxt; /* the parser context */ - xmlSAXHandlerPtr sax; /* the parser SAX callbacks */ - xmlParserInputBufferPtr input; /* the input */ - startElementSAXFunc startElement;/* initial SAX callbacks */ - endElementSAXFunc endElement; /* idem */ - unsigned int base; /* base of the segment in the input */ - unsigned int cur; /* current position in the input */ - xmlNodePtr node; /* current node */ - int depth; /* depth of the current node */ -}; - -#ifdef DEBUG_READER -static void -xmlTextReaderDebug(xmlTextReaderPtr reader) { - if ((reader == NULL) || (reader->ctxt == NULL)) { - fprintf(stderr, "xmlTextReader NULL\n"); - return; - } - fprintf(stderr, "xmlTextReader: state %d depth %d ", - reader->state, reader->depth); - if (reader->node == NULL) { - fprintf(stderr, "node = NULL\n"); - } else { - fprintf(stderr, "node %s\n", reader->node->name); - } - fprintf(stderr, " input: base %d, cur %d, depth %d: ", - reader->base, reader->cur, reader->ctxt->nodeNr); - if (reader->input->buffer == NULL) { - fprintf(stderr, "buffer is NULL\n"); - } else { -#ifdef LIBXML_DEBUG_ENABLED - xmlDebugDumpString(stderr, - &reader->input->buffer->content[reader->cur]); -#endif - fprintf(stderr, "\n"); - } -} -#endif - -/** - * xmlTextReaderStartElement: - * @ctx: the user data (XML parser context) - * @fullname: The element name, including namespace prefix - * @atts: An array of name/value attributes pairs, NULL terminated - * - * called when an opening tag has been processed. - */ -static void -xmlTextReaderStartElement(void *ctx, const xmlChar *fullname, - const xmlChar **atts) { - xmlParserCtxtPtr ctxt = (xmlParserCtxtPtr) ctx; - xmlTextReaderPtr reader = ctxt->_private; - -#ifdef DEBUG_CALLBACKS - printf("xmlTextReaderStartElement(%s)\n", fullname); -#endif - if ((reader != NULL) && (reader->startElement != NULL)) - reader->startElement(ctx, fullname, atts); - reader->state = XML_TEXTREADER_ELEMENT; -} - -/** - * xmlTextReaderEndElement: - * @ctx: the user data (XML parser context) - * @fullname: The element name, including namespace prefix - * - * called when an ending tag has been processed. - */ -static void -xmlTextReaderEndElement(void *ctx, const xmlChar *fullname) { - xmlParserCtxtPtr ctxt = (xmlParserCtxtPtr) ctx; - xmlTextReaderPtr reader = ctxt->_private; - -#ifdef DEBUG_CALLBACKS - printf("xmlTextReaderEndElement(%s)\n", fullname); -#endif - if ((reader != NULL) && (reader->endElement != NULL)) - reader->endElement(ctx, fullname); - if (reader->state == XML_TEXTREADER_ELEMENT) - reader->state = XML_TEXTREADER_EMPTY; - else - reader->state = XML_TEXTREADER_END; -} - -/** - * xmlTextReaderPushData: - * @reader: the xmlTextReaderPtr used - * - * Push data down the progressive parser until a significant callback - * got raised. - * - * Returns -1 in case of failure, 0 otherwise - */ -static int -xmlTextReaderPushData(xmlTextReaderPtr reader) { - unsigned int cur = reader->cur; - xmlBufferPtr inbuf; - int val; - - if ((reader->input == NULL) || (reader->input->buffer == NULL)) - return(-1); - - reader->state = XML_TEXTREADER_NONE; - inbuf = reader->input->buffer; - while (reader->state == XML_TEXTREADER_NONE) { - if (cur >= inbuf->use) { - /* - * Refill the buffer unless we are at the end of the stream - */ - if (reader->mode != XML_TEXTREADER_MODE_EOF) { - val = xmlParserInputBufferRead(reader->input, 4096); - if (val <= 0) { - reader->mode = XML_TEXTREADER_MODE_EOF; - return(val); - } - } else - break; - } - if ((inbuf->content[cur] == '>') || (inbuf->content[cur] == '&')) { - cur = cur + 1; - val = xmlParseChunk(reader->ctxt, - (const char *) &inbuf->content[reader->cur], - cur - reader->cur, 0); - if (val != 0) - return(-1); - reader->cur = cur; - break; - } else { - cur = cur + 1; - - /* - * One may have to force a flush at some point when parsing really - * large CDATA sections - */ - if ((cur - reader->cur > 4096) && (reader->base == 0) && - (reader->mode == XML_TEXTREADER_MODE_NORMAL)) { - cur = cur + 1; - val = xmlParseChunk(reader->ctxt, - (const char *) &inbuf->content[reader->cur], - cur - reader->cur, 0); - if (val != 0) - return(-1); - reader->cur = cur; - } - } - } - /* - * Discard the consumed input when needed and possible - */ - if (reader->mode == XML_TEXTREADER_MODE_NORMAL) { - if ((reader->cur >= 4096) && (reader->base == 0)) { - val = xmlBufferShrink(inbuf, cur); - if (val >= 0) { - reader->cur -= val; - } - } - } - - /* - * At the end of the stream signal that the work is done to the Push - * parser. - */ - if ((reader->mode == XML_TEXTREADER_MODE_EOF) && (cur >= inbuf->use)) { - val = xmlParseChunk(reader->ctxt, - (const char *) &inbuf->content[reader->cur], 0, 1); - } - return(0); -} - -/** - * xmlTextReaderRead: - * @reader: the xmlTextReaderPtr used - * - * Moves the position of the current instance to the next node in - * the stream, exposing its properties. - * - * Returns 1 if the node was read successfully, 0 if there is no more - * nodes to read, or -1 in case of error - */ -int -xmlTextReaderRead(xmlTextReaderPtr reader) { - int val, olddepth; - xmlTextReaderState oldstate; - xmlNodePtr oldnode; - - if ((reader == NULL) || (reader->ctxt == NULL)) - return(-1); - if (reader->ctxt->wellFormed != 1) - return(-1); - -#ifdef DEBUG_READER - fprintf(stderr, "\nREAD "); - DUMP_READER -#endif - if (reader->node == NULL) { - /* - * Initial state - */ - do { - val = xmlTextReaderPushData(reader); - if (val < 0) - return(-1); - } while ((reader->ctxt->node == NULL) && - (reader->mode != XML_TEXTREADER_MODE_EOF)); - if (reader->ctxt->node == NULL) { - if (reader->ctxt->myDoc != NULL) - reader->node = reader->ctxt->myDoc->children; - if (reader->node == NULL) - return(-1); - } else { - reader->node = reader->ctxt->node; - } - reader->depth = 1; - return(1); - } - oldstate = reader->state; - olddepth = reader->ctxt->nodeNr; - oldnode = reader->node; - /* - * If we are not backtracking on ancestors or examined nodes, - * that the parser didn't finished or that we arent at the end - * of stream, continue processing. - */ - if (oldstate != XML_TEXTREADER_BACKTRACK) { - while (((reader->node->children == NULL) || - (reader->node->type == XML_ENTITY_REF_NODE) || - (reader->node->type == XML_DTD_NODE)) && - (reader->node->next == NULL) && - (reader->ctxt->nodeNr == olddepth) && - (reader->ctxt->instate != XML_PARSER_EOF)) { - val = xmlTextReaderPushData(reader); - if (val < 0) - return(-1); - if (reader->node == NULL) - return(0); - } - if ((reader->node->children != NULL) && - (reader->node->type != XML_ENTITY_REF_NODE) && - (reader->node->type != XML_DTD_NODE)) { - reader->node = reader->node->children; - reader->depth++; - if ((reader->state != XML_TEXTREADER_ELEMENT) && - (reader->state != XML_TEXTREADER_EMPTY)) - reader->state = XML_TEXTREADER_ELEMENT; - DUMP_READER - return(1); - } - } - if (reader->node->next != NULL) { - if ((oldstate == XML_TEXTREADER_ELEMENT) && - (reader->node->type == XML_ELEMENT_NODE)) { - reader->state = XML_TEXTREADER_END; - DUMP_READER - return(1); - } - reader->node = reader->node->next; - reader->state = XML_TEXTREADER_ELEMENT; - DUMP_READER - /* - * Cleanup of the old node - */ - if (oldnode->type != XML_DTD_NODE) { - xmlUnlinkNode(oldnode); - xmlFreeNode(oldnode); - } - - return(1); - } - reader->node = reader->node->parent; - if ((reader->node == NULL) || - (reader->node->type == XML_DOCUMENT_NODE) || -#ifdef LIBXML_DOCB_ENABLED - (reader->node->type == XML_DOCB_DOCUMENT_NODE) || -#endif - (reader->node->type == XML_HTML_DOCUMENT_NODE)) { - reader->node = NULL; - reader->depth = 0; - - /* - * Cleanup of the old node - */ - if (oldnode->type != XML_DTD_NODE) { - xmlUnlinkNode(oldnode); - xmlFreeNode(oldnode); - } - - return(0); - } - reader->depth--; - reader->state = XML_TEXTREADER_BACKTRACK; - DUMP_READER - return(1); -} - -/************************************************************************ - * * - * Constructor and destructors * - * * - ************************************************************************/ -/** - * xmlNewTextReader: - * @input: the xmlParserInputBufferPtr used to read data - * - * Create an xmlTextReader structure fed with @input - * - * Returns the new xmlTextReaderPtr or NULL in case of error - */ -xmlTextReaderPtr -xmlNewTextReader(xmlParserInputBufferPtr input) { - xmlTextReaderPtr ret; - int val; - - if (input == NULL) - return(NULL); - ret = xmlMalloc(sizeof(xmlTextReader)); - if (ret == NULL) { - xmlGenericError(xmlGenericErrorContext, - "xmlNewTextReader : malloc failed\n"); - return(NULL); - } - memset(ret, 0, sizeof(xmlTextReader)); - ret->input = input; - ret->sax = (xmlSAXHandler *) xmlMalloc(sizeof(xmlSAXHandler)); - if (ret->sax == NULL) { - xmlFree(ret); - xmlGenericError(xmlGenericErrorContext, - "xmlNewTextReader : malloc failed\n"); - return(NULL); - } - memcpy(ret->sax, &xmlDefaultSAXHandler, sizeof(xmlSAXHandler)); - ret->startElement = ret->sax->startElement; - ret->sax->startElement = xmlTextReaderStartElement; - ret->endElement = ret->sax->endElement; - ret->sax->endElement = xmlTextReaderEndElement; - - ret->mode = XML_TEXTREADER_MODE_NORMAL; - ret->node = NULL; - val = xmlParserInputBufferRead(input, 4); - if (val >= 4) { - ret->ctxt = xmlCreatePushParserCtxt(ret->sax, NULL, - (const char *) ret->input->buffer->content, 4, NULL); - ret->base = 0; - ret->cur = 4; - } else { - ret->ctxt = xmlCreatePushParserCtxt(ret->sax, NULL, NULL, 0, NULL); - ret->base = 0; - ret->cur = 0; - } - ret->ctxt->_private = ret; - ret->allocs = XML_TEXTREADER_CTXT; - return(ret); - -} - -/** - * xmlNewTextReaderFilename: - * @URI: the URI of the resource to process - * - * Create an xmlTextReader structure fed with the resource at @URI - * - * Returns the new xmlTextReaderPtr or NULL in case of error - */ -xmlTextReaderPtr -xmlNewTextReaderFilename(const char *URI) { - xmlParserInputBufferPtr input; - xmlTextReaderPtr ret; - - input = xmlParserInputBufferCreateFilename(URI, XML_CHAR_ENCODING_NONE); - if (input == NULL) - return(NULL); - ret = xmlNewTextReader(input); - if (ret == NULL) { - xmlFreeParserInputBuffer(input); - return(NULL); - } - ret->allocs |= XML_TEXTREADER_INPUT; - return(ret); -} - -/** - * xmlFreeTextReader: - * @reader: the xmlTextReaderPtr - * - * Deallocate all the resources associated to the reader - */ -void -xmlFreeTextReader(xmlTextReaderPtr reader) { - if (reader == NULL) - return; - if (reader->ctxt != NULL) { - if (reader->ctxt->myDoc != NULL) { - xmlFreeDoc(reader->ctxt->myDoc); - reader->ctxt->myDoc = NULL; - } - if (reader->allocs & XML_TEXTREADER_CTXT) - xmlFreeParserCtxt(reader->ctxt); - } - if (reader->sax != NULL) - xmlFree(reader->sax); - if ((reader->input != NULL) && (reader->allocs & XML_TEXTREADER_INPUT)) - xmlFreeParserInputBuffer(reader->input); - xmlFree(reader); -} - -/************************************************************************ - * * - * Acces API to the current node * - * * - ************************************************************************/ -/** - * xmlTextReaderAttributeCount: - * @reader: the xmlTextReaderPtr used - * - * Provides the number of attributes of the current node - * - * Returns 0 i no attributes, -1 in case of error or the attribute count - */ -int -xmlTextReaderAttributeCount(xmlTextReaderPtr reader) { - int ret; - xmlAttrPtr attr; - - if (reader == NULL) - return(-1); - if (reader->node == NULL) - return(0); - if (reader->node->type != XML_ELEMENT_NODE) - return(0); - if ((reader->state == XML_TEXTREADER_END) || - (reader->state == XML_TEXTREADER_BACKTRACK)) - return(0); - ret = 0; - attr = reader->node->properties; - while (attr != NULL) { - ret++; - attr = attr->next; - } - return(ret); -} - -/** - * xmlTextReaderNodeType: - * @reader: the xmlTextReaderPtr used - * - * Get the node type of the current node - * Reference: - * http://dotgnu.org/pnetlib-doc/System/Xml/XmlNodeType.html - * - * Returns the xmlNodeType of the current node or -1 in case of error - */ -int -xmlTextReaderNodeType(xmlTextReaderPtr reader) { - if (reader == NULL) - return(-1); - if (reader->node == NULL) - return(0); - switch (reader->node->type) { - case XML_ELEMENT_NODE: - if ((reader->state == XML_TEXTREADER_END) || - (reader->state == XML_TEXTREADER_BACKTRACK)) - return(15); - return(1); - case XML_ATTRIBUTE_NODE: - return(2); - case XML_TEXT_NODE: - return(3); /* TODO: SignificantWhitespace == 14 Whitespace == 13 */ - case XML_CDATA_SECTION_NODE: - return(4); - case XML_ENTITY_REF_NODE: - return(5); - case XML_ENTITY_NODE: - return(6); - case XML_PI_NODE: - return(7); - case XML_COMMENT_NODE: - return(8); - case XML_DOCUMENT_NODE: - case XML_HTML_DOCUMENT_NODE: -#ifdef LIBXML_DOCB_ENABLED - case XML_DOCB_DOCUMENT_NODE: -#endif - return(9); - case XML_DOCUMENT_FRAG_NODE: - return(11); - case XML_NOTATION_NODE: - return(12); - case XML_DOCUMENT_TYPE_NODE: - case XML_DTD_NODE: - return(10); - - case XML_ELEMENT_DECL: - case XML_ATTRIBUTE_DECL: - case XML_ENTITY_DECL: - case XML_NAMESPACE_DECL: - case XML_XINCLUDE_START: - case XML_XINCLUDE_END: - return(0); - } - return(-1); -} - -/** - * xmlTextReaderIsEmptyElement: - * @reader: the xmlTextReaderPtr used - * - * Check if the current node is empty - * - * Returns 1 if empty, 0 if not and -1 in case of error - */ -int -xmlTextReaderIsEmptyElement(xmlTextReaderPtr reader) { - if ((reader == NULL) || (reader->node == NULL)) - return(-1); - if (reader->node->children != NULL) - return(0); - if ((reader->state == XML_TEXTREADER_EMPTY) || - (reader->state == XML_TEXTREADER_BACKTRACK)) - return(1); - return(0); -} - -/** - * xmlTextReaderLocalName: - * @reader: the xmlTextReaderPtr used - * - * The local name of the node. - * - * Returns the local name or NULL if not available - */ -xmlChar * -xmlTextReaderLocalName(xmlTextReaderPtr reader) { - if ((reader == NULL) || (reader->node == NULL)) - return(NULL); - if ((reader->node->type != XML_ELEMENT_NODE) && - (reader->node->type != XML_ATTRIBUTE_NODE)) - return(xmlTextReaderName(reader)); - return(xmlStrdup(reader->node->name)); -} - -/** - * xmlTextReaderName: - * @reader: the xmlTextReaderPtr used - * - * The qualified name of the node, equal to Prefix :LocalName. - * - * Returns the local name or NULL if not available - */ -xmlChar * -xmlTextReaderName(xmlTextReaderPtr reader) { - xmlChar *ret; - - if ((reader == NULL) || (reader->node == NULL)) - return(NULL); - switch (reader->node->type) { - case XML_ELEMENT_NODE: - case XML_ATTRIBUTE_NODE: - if ((reader->node->ns == NULL) || - (reader->node->ns->prefix == NULL)) - return(xmlStrdup(reader->node->name)); - - ret = xmlStrdup(reader->node->ns->prefix); - ret = xmlStrcat(ret, BAD_CAST ":"); - ret = xmlStrcat(ret, reader->node->name); - return(ret); - case XML_TEXT_NODE: - return(xmlStrdup(BAD_CAST "#text")); - case XML_CDATA_SECTION_NODE: - return(xmlStrdup(BAD_CAST "#cdata-section")); - case XML_ENTITY_NODE: - case XML_ENTITY_REF_NODE: - return(xmlStrdup(reader->node->name)); - case XML_PI_NODE: - return(xmlStrdup(reader->node->name)); - case XML_COMMENT_NODE: - return(xmlStrdup(BAD_CAST "#comment")); - case XML_DOCUMENT_NODE: - case XML_HTML_DOCUMENT_NODE: -#ifdef LIBXML_DOCB_ENABLED - case XML_DOCB_DOCUMENT_NODE: -#endif - return(xmlStrdup(BAD_CAST "#document")); - case XML_DOCUMENT_FRAG_NODE: - return(xmlStrdup(BAD_CAST "#document-fragment")); - case XML_NOTATION_NODE: - return(xmlStrdup(reader->node->name)); - case XML_DOCUMENT_TYPE_NODE: - case XML_DTD_NODE: - return(xmlStrdup(reader->node->name)); - - case XML_ELEMENT_DECL: - case XML_ATTRIBUTE_DECL: - case XML_ENTITY_DECL: - case XML_NAMESPACE_DECL: - case XML_XINCLUDE_START: - case XML_XINCLUDE_END: - return(NULL); - } - return(NULL); -} - -/** - * xmlTextReaderPrefix: - * @reader: the xmlTextReaderPtr used - * - * A shorthand reference to the namespace associated with the node. - * - * Returns the prefix or NULL if not available - */ -xmlChar * -xmlTextReaderPrefix(xmlTextReaderPtr reader) { - if ((reader == NULL) || (reader->node == NULL)) - return(NULL); - if ((reader->node->type != XML_ELEMENT_NODE) && - (reader->node->type != XML_ATTRIBUTE_NODE)) - return(NULL); - if ((reader->node->ns != NULL) || (reader->node->ns->prefix != NULL)) - return(xmlStrdup(reader->node->ns->prefix)); - return(NULL); -} - -/** - * xmlTextReaderNamespaceUri: - * @reader: the xmlTextReaderPtr used - * - * The URI defining the namespace associated with the node. - * - * Returns the namespace URI or NULL if not available - */ -xmlChar * -xmlTextReaderNamespaceUri(xmlTextReaderPtr reader) { - if ((reader == NULL) || (reader->node == NULL)) - return(NULL); - if ((reader->node->type != XML_ELEMENT_NODE) && - (reader->node->type != XML_ATTRIBUTE_NODE)) - return(NULL); - if (reader->node->ns != NULL) - return(xmlStrdup(reader->node->ns->href)); - return(NULL); -} - -/** - * xmlTextReaderBaseUri: - * @reader: the xmlTextReaderPtr used - * - * The base URI of the node. - * - * Returns the base URI or NULL if not available - */ -xmlChar * -xmlTextReaderBaseUri(xmlTextReaderPtr reader) { - if ((reader == NULL) || (reader->node == NULL)) - return(NULL); - return(xmlNodeGetBase(NULL, reader->node)); -} - -/** - * xmlTextReaderDepth: - * @reader: the xmlTextReaderPtr used - * - * The depth of the node in the tree. - * - * Returns the depth or -1 in case of error - */ -int -xmlTextReaderDepth(xmlTextReaderPtr reader) { - if (reader == NULL) - return(-1); - if (reader->node == NULL) - return(0); - - return(reader->depth); -} - -/** - * xmlTextReaderHasAttributes: - * @reader: the xmlTextReaderPtr used - * - * Whether the node has attributes. - * - * Returns 1 if true, 0 if false, and -1 in case or error - */ -int -xmlTextReaderHasAttributes(xmlTextReaderPtr reader) { - if (reader == NULL) - return(-1); - if (reader->node == NULL) - return(0); - - if ((reader->node->type == XML_ELEMENT_NODE) && - (reader->node->properties != NULL)) - return(1); - /* TODO: handle the xmlDecl */ - return(0); -} - -/** - * xmlTextReaderHasValue: - * @reader: the xmlTextReaderPtr used - * - * Whether the node can have a text value. - * - * Returns 1 if true, 0 if false, and -1 in case or error - */ -int -xmlTextReaderHasValue(xmlTextReaderPtr reader) { - if (reader == NULL) - return(-1); - if (reader->node == NULL) - return(0); - - switch (reader->node->type) { - case XML_ATTRIBUTE_NODE: - case XML_TEXT_NODE: - case XML_CDATA_SECTION_NODE: - case XML_PI_NODE: - case XML_COMMENT_NODE: - return(1); - default: - return(0); - } - return(0); -} - -/** - * xmlTextReaderValue: - * @reader: the xmlTextReaderPtr used - * - * Provides the text value of the node if present - * - * Returns the string or NULL if not available. The retsult must be deallocated - * with xmlFree() - */ -xmlChar * -xmlTextReaderValue(xmlTextReaderPtr reader) { - if (reader == NULL) - return(NULL); - if (reader->node == NULL) - return(NULL); - - switch (reader->node->type) { - case XML_ATTRIBUTE_NODE:{ - xmlAttrPtr attr = (xmlAttrPtr) reader->node; - - if (attr->parent != NULL) - return (xmlNodeListGetString - (attr->parent->doc, attr->children, 1)); - else - return (xmlNodeListGetString(NULL, attr->children, 1)); - break; - } - case XML_TEXT_NODE: - case XML_CDATA_SECTION_NODE: - case XML_PI_NODE: - case XML_COMMENT_NODE: - if (reader->node->content != NULL) - return (xmlStrdup(reader->node->content)); - default: - return(NULL); - } - return(NULL); -} - -/** - * xmlTextReaderIsDefault: - * @reader: the xmlTextReaderPtr used - * - * Whether an Attribute node was generated from the default value - * defined in the DTD or schema. - * - * Returns 0 if not defaulted, 1 if defaulted, and -1 in case of error - */ -int -xmlTextReaderIsDefault(xmlTextReaderPtr reader) { - if (reader == NULL) - return(-1); - return(0); -} - -/** - * xmlTextReaderQuoteChar: - * @reader: the xmlTextReaderPtr used - * - * The quotation mark character used to enclose the value of an attribute. - * - * Returns " or ' and -1 in case of error - */ -int -xmlTextReaderQuoteChar(xmlTextReaderPtr reader) { - if (reader == NULL) - return(-1); - /* TODO maybe lookup the attribute value for " first */ - return((int) '"'); -} - -/** - * xmlTextReaderXmlLang: - * @reader: the xmlTextReaderPtr used - * - * The xml:lang scope within which the node resides. - * - * Returns the xml:lang value or NULL if none exists. - */ -xmlChar * -xmlTextReaderXmlLang(xmlTextReaderPtr reader) { - if (reader == NULL) - return(NULL); - if (reader->node == NULL) - return(NULL); - return(xmlNodeGetLang(reader->node)); -} - |