diff options
Diffstat (limited to 'bundle/libxml/SAX.c')
| -rw-r--r-- | bundle/libxml/SAX.c | 2015 | 
1 files changed, 2015 insertions, 0 deletions
diff --git a/bundle/libxml/SAX.c b/bundle/libxml/SAX.c new file mode 100644 index 0000000000..785ea0ba8c --- /dev/null +++ b/bundle/libxml/SAX.c @@ -0,0 +1,2015 @@ +/* + * SAX.c : Default SAX handler to build a tree. + * + * See Copyright for the status of this software. + * + * Daniel Veillard <daniel@veillard.com> + */ + + +#define IN_LIBXML +#include "libxml.h" +#include <stdlib.h> +#include <string.h> +#include <libxml/xmlmemory.h> +#include <libxml/tree.h> +#include <libxml/parser.h> +#include <libxml/parserInternals.h> +#include <libxml/valid.h> +#include <libxml/entities.h> +#include <libxml/xmlerror.h> +#include <libxml/debugXML.h> +#include <libxml/xmlIO.h> +#include <libxml/SAX.h> +#include <libxml/uri.h> +#include <libxml/valid.h> +#include <libxml/HTMLtree.h> +#include <libxml/globals.h> + +/* #define DEBUG_SAX */ +/* #define DEBUG_SAX_TREE */ + +/** + * getPublicId: + * @ctx: the user data (XML parser context) + * + * Provides the public ID e.g. "-//SGMLSOURCE//DTD DEMO//EN" + * + * Returns a xmlChar * + */ +const xmlChar * +getPublicId(void *ctx ATTRIBUTE_UNUSED) +{ +    /* xmlParserCtxtPtr ctxt = (xmlParserCtxtPtr) ctx; */ +    return(NULL); +} + +/** + * getSystemId: + * @ctx: the user data (XML parser context) + * + * Provides the system ID, basically URL or filename e.g. + * http://www.sgmlsource.com/dtds/memo.dtd + * + * Returns a xmlChar * + */ +const xmlChar * +getSystemId(void *ctx) +{ +    xmlParserCtxtPtr ctxt = (xmlParserCtxtPtr) ctx; +    return((const xmlChar *) ctxt->input->filename);  +} + +/** + * getLineNumber: + * @ctx: the user data (XML parser context) + * + * Provide the line number of the current parsing point. + * + * Returns an int + */ +int +getLineNumber(void *ctx) +{ +    xmlParserCtxtPtr ctxt = (xmlParserCtxtPtr) ctx; +    return(ctxt->input->line); +} + +/** + * getColumnNumber: + * @ctx: the user data (XML parser context) + * + * Provide the column number of the current parsing point. + * + * Returns an int + */ +int +getColumnNumber(void *ctx) +{ +    xmlParserCtxtPtr ctxt = (xmlParserCtxtPtr) ctx; +    return(ctxt->input->col); +} + +/** + * isStandalone: + * @ctx: the user data (XML parser context) + * + * Is this document tagged standalone ? + * + * Returns 1 if true + */ +int +isStandalone(void *ctx) +{ +    xmlParserCtxtPtr ctxt = (xmlParserCtxtPtr) ctx; +    return(ctxt->myDoc->standalone == 1); +} + +/** + * hasInternalSubset: + * @ctx: the user data (XML parser context) + * + * Does this document has an internal subset + * + * Returns 1 if true + */ +int +hasInternalSubset(void *ctx) +{ +    xmlParserCtxtPtr ctxt = (xmlParserCtxtPtr) ctx; +    return(ctxt->myDoc->intSubset != NULL); +} + +/** + * hasExternalSubset: + * @ctx: the user data (XML parser context) + * + * Does this document has an external subset + * + * Returns 1 if true + */ +int +hasExternalSubset(void *ctx) +{ +    xmlParserCtxtPtr ctxt = (xmlParserCtxtPtr) ctx; +    return(ctxt->myDoc->extSubset != NULL); +} + +/** + * internalSubset: + * @ctx:  the user data (XML parser context) + * @name:  the root element name + * @ExternalID:  the external ID + * @SystemID:  the SYSTEM ID (e.g. filename or URL) + * + * Callback on internal subset declaration. + */ +void +internalSubset(void *ctx, const xmlChar *name, +	       const xmlChar *ExternalID, const xmlChar *SystemID) +{ +    xmlParserCtxtPtr ctxt = (xmlParserCtxtPtr) ctx; +    xmlDtdPtr dtd; +#ifdef DEBUG_SAX +    xmlGenericError(xmlGenericErrorContext, +	    "SAX.internalSubset(%s, %s, %s)\n", +            name, ExternalID, SystemID); +#endif + +    if (ctxt->myDoc == NULL) +	return; +    dtd = xmlGetIntSubset(ctxt->myDoc); +    if (dtd != NULL) { +	if (ctxt->html) +	    return; +	xmlUnlinkNode((xmlNodePtr) dtd); +	xmlFreeDtd(dtd); +	ctxt->myDoc->intSubset = NULL; +    } +    ctxt->myDoc->intSubset =  +	xmlCreateIntSubset(ctxt->myDoc, name, ExternalID, SystemID); +} + +/** + * externalSubset: + * @ctx: the user data (XML parser context) + * @name:  the root element name + * @ExternalID:  the external ID + * @SystemID:  the SYSTEM ID (e.g. filename or URL) + * + * Callback on external subset declaration. + */ +void +externalSubset(void *ctx, const xmlChar *name, +	       const xmlChar *ExternalID, const xmlChar *SystemID) +{ +    xmlParserCtxtPtr ctxt = (xmlParserCtxtPtr) ctx; +#ifdef DEBUG_SAX +    xmlGenericError(xmlGenericErrorContext, +	    "SAX.externalSubset(%s, %s, %s)\n", +            name, ExternalID, SystemID); +#endif +    if (((ExternalID != NULL) || (SystemID != NULL)) && +        (((ctxt->validate) || (ctxt->loadsubset != 0)) && +	 (ctxt->wellFormed && ctxt->myDoc))) { +	/* +	 * Try to fetch and parse the external subset. +	 */ +	xmlParserInputPtr oldinput; +	int oldinputNr; +	int oldinputMax; +	xmlParserInputPtr *oldinputTab; +	xmlParserInputPtr input = NULL; +	xmlCharEncoding enc; +	int oldcharset; + +	/* +	 * Ask the Entity resolver to load the damn thing +	 */ +	if ((ctxt->sax != NULL) && (ctxt->sax->resolveEntity != NULL)) +	    input = ctxt->sax->resolveEntity(ctxt->userData, ExternalID, +	                                        SystemID); +	if (input == NULL) { +	    return; +	} + +	xmlNewDtd(ctxt->myDoc, name, ExternalID, SystemID); + +	/* +	 * make sure we won't destroy the main document context +	 */ +	oldinput = ctxt->input; +	oldinputNr = ctxt->inputNr; +	oldinputMax = ctxt->inputMax; +	oldinputTab = ctxt->inputTab; +	oldcharset = ctxt->charset; + +	ctxt->inputTab = (xmlParserInputPtr *) +	                 xmlMalloc(5 * sizeof(xmlParserInputPtr)); +	if (ctxt->inputTab == NULL) { +	    ctxt->errNo = XML_ERR_NO_MEMORY; +	    if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL)) +		ctxt->sax->error(ctxt->userData,  +		     "externalSubset: out of memory\n"); +	    ctxt->errNo = XML_ERR_NO_MEMORY; +	    ctxt->input = oldinput; +	    ctxt->inputNr = oldinputNr; +	    ctxt->inputMax = oldinputMax; +	    ctxt->inputTab = oldinputTab; +	    ctxt->charset = oldcharset; +	    return; +	} +	ctxt->inputNr = 0; +	ctxt->inputMax = 5; +	ctxt->input = NULL; +	xmlPushInput(ctxt, input); + +	/* +	 * On the fly encoding conversion if needed +	 */ +	enc = xmlDetectCharEncoding(ctxt->input->cur, 4); +	xmlSwitchEncoding(ctxt, enc); + +	if (input->filename == NULL) +	    input->filename = (char *) xmlStrdup(SystemID); +	input->line = 1; +	input->col = 1; +	input->base = ctxt->input->cur; +	input->cur = ctxt->input->cur; +	input->free = NULL; + +	/* +	 * let's parse that entity knowing it's an external subset. +	 */ +	xmlParseExternalSubset(ctxt, ExternalID, SystemID); + +        /* +	 * Free up the external entities +	 */ + +	while (ctxt->inputNr > 1) +	    xmlPopInput(ctxt); +	xmlFreeInputStream(ctxt->input); +        xmlFree(ctxt->inputTab); + +	/* +	 * Restore the parsing context of the main entity +	 */ +	ctxt->input = oldinput; +	ctxt->inputNr = oldinputNr; +	ctxt->inputMax = oldinputMax; +	ctxt->inputTab = oldinputTab; +	ctxt->charset = oldcharset; +	/* ctxt->wellFormed = oldwellFormed; */ +    } +} + +/** + * resolveEntity: + * @ctx: the user data (XML parser context) + * @publicId: The public ID of the entity + * @systemId: The system ID of the entity + * + * The entity loader, to control the loading of external entities, + * the application can either: + *    - override this resolveEntity() callback in the SAX block + *    - or better use the xmlSetExternalEntityLoader() function to + *      set up it's own entity resolution routine + * + * Returns the xmlParserInputPtr if inlined or NULL for DOM behaviour. + */ +xmlParserInputPtr +resolveEntity(void *ctx, const xmlChar *publicId, const xmlChar *systemId) +{ +    xmlParserCtxtPtr ctxt = (xmlParserCtxtPtr) ctx; +    xmlParserInputPtr ret; +    xmlChar *URI; +    const char *base = NULL; + +    if (ctxt->input != NULL) +	base = ctxt->input->filename; +    if (base == NULL) +	base = ctxt->directory; + +    URI = xmlBuildURI(systemId, (const xmlChar *) base); + +#ifdef DEBUG_SAX +    xmlGenericError(xmlGenericErrorContext, +	    "SAX.resolveEntity(%s, %s)\n", publicId, systemId); +#endif + +    ret = xmlLoadExternalEntity((const char *) URI, +				(const char *) publicId, ctxt); +    if (URI != NULL) +	xmlFree(URI); +    return(ret); +} + +/** + * getEntity: + * @ctx: the user data (XML parser context) + * @name: The entity name + * + * Get an entity by name + * + * Returns the xmlEntityPtr if found. + */ +xmlEntityPtr +getEntity(void *ctx, const xmlChar *name) +{ +    xmlParserCtxtPtr ctxt = (xmlParserCtxtPtr) ctx; +    xmlEntityPtr ret; + +#ifdef DEBUG_SAX +    xmlGenericError(xmlGenericErrorContext, +	    "SAX.getEntity(%s)\n", name); +#endif + +    if ((ctxt->myDoc != NULL) && (ctxt->myDoc->standalone == 1)) { +	if (ctxt->inSubset == 2) { +	    ctxt->myDoc->standalone = 0; +	    ret = xmlGetDocEntity(ctxt->myDoc, name); +	    ctxt->myDoc->standalone = 1; +	} else { +	    ret = xmlGetDocEntity(ctxt->myDoc, name); +	    if (ret == NULL) { +		ctxt->myDoc->standalone = 0; +		ret = xmlGetDocEntity(ctxt->myDoc, name); +		if (ret != NULL) { +		    if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL)) +			ctxt->sax->error(ctxt,  +		 "Entity(%s) document marked standalone but require external subset\n", +					 name); +		    ctxt->valid = 0; +		    ctxt->wellFormed = 0; +		} +		ctxt->myDoc->standalone = 1; +	    } +	} +    } else { +	ret = xmlGetDocEntity(ctxt->myDoc, name); +    } +    if ((ret != NULL) && (ctxt->validate) && (ret->children == NULL) && +	(ret->etype == XML_EXTERNAL_GENERAL_PARSED_ENTITY)) { +	/* +	 * for validation purposes we really need to fetch and +	 * parse the external entity +	 */ +	xmlNodePtr children; + +        xmlParseCtxtExternalEntity(ctxt, ret->URI, ret->ExternalID, &children); +	xmlAddChildList((xmlNodePtr) ret, children); +    } +    return(ret); +} + +/** + * getParameterEntity: + * @ctx: the user data (XML parser context) + * @name: The entity name + * + * Get a parameter entity by name + * + * Returns the xmlEntityPtr if found. + */ +xmlEntityPtr +getParameterEntity(void *ctx, const xmlChar *name) +{ +    xmlParserCtxtPtr ctxt = (xmlParserCtxtPtr) ctx; +    xmlEntityPtr ret; + +#ifdef DEBUG_SAX +    xmlGenericError(xmlGenericErrorContext, +	    "SAX.getParameterEntity(%s)\n", name); +#endif + +    ret = xmlGetParameterEntity(ctxt->myDoc, name); +    return(ret); +} + + +/** + * entityDecl: + * @ctx: the user data (XML parser context) + * @name:  the entity name  + * @type:  the entity type  + * @publicId: The public ID of the entity + * @systemId: The system ID of the entity + * @content: the entity value (without processing). + * + * An entity definition has been parsed + */ +void +entityDecl(void *ctx, const xmlChar *name, int type, +          const xmlChar *publicId, const xmlChar *systemId, xmlChar *content) +{ +    xmlEntityPtr ent; +    xmlParserCtxtPtr ctxt = (xmlParserCtxtPtr) ctx; + +#ifdef DEBUG_SAX +    xmlGenericError(xmlGenericErrorContext, +	    "SAX.entityDecl(%s, %d, %s, %s, %s)\n", +            name, type, publicId, systemId, content); +#endif +    if (ctxt->inSubset == 1) { +	ent = xmlAddDocEntity(ctxt->myDoc, name, type, publicId, +		              systemId, content); +	if ((ent == NULL) && (ctxt->pedantic) && +	    (ctxt->sax != NULL) && (ctxt->sax->warning != NULL)) +	    ctxt->sax->warning(ctxt,  +	     "Entity(%s) already defined in the internal subset\n", name); +	if ((ent != NULL) && (ent->URI == NULL) && (systemId != NULL)) { +	    xmlChar *URI; +	    const char *base = NULL; + +	    if (ctxt->input != NULL) +		base = ctxt->input->filename; +	    if (base == NULL) +		base = ctxt->directory; +	 +	    URI = xmlBuildURI(systemId, (const xmlChar *) base); +	    ent->URI = URI; +	} +    } else if (ctxt->inSubset == 2) { +	ent = xmlAddDtdEntity(ctxt->myDoc, name, type, publicId, +		              systemId, content); +	if ((ent == NULL) && (ctxt->pedantic) && +	    (ctxt->sax != NULL) && (ctxt->sax->warning != NULL)) +	    ctxt->sax->warning(ctxt,  +	     "Entity(%s) already defined in the external subset\n", name); +	if ((ent != NULL) && (ent->URI == NULL) && (systemId != NULL)) { +	    xmlChar *URI; +	    const char *base = NULL; + +	    if (ctxt->input != NULL) +		base = ctxt->input->filename; +	    if (base == NULL) +		base = ctxt->directory; +	 +	    URI = xmlBuildURI(systemId, (const xmlChar *) base); +	    ent->URI = URI; +	} +    } else { +	if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL)) +	    ctxt->sax->error(ctxt,  +	     "SAX.entityDecl(%s) called while not in subset\n", name); +    } +} + +/** + * attributeDecl: + * @ctx: the user data (XML parser context) + * @elem:  the name of the element + * @fullname:  the attribute name  + * @type:  the attribute type  + * @def:  the type of default value + * @defaultValue: the attribute default value + * @tree:  the tree of enumerated value set + * + * An attribute definition has been parsed + */ +void +attributeDecl(void *ctx, const xmlChar *elem, const xmlChar *fullname, +              int type, int def, const xmlChar *defaultValue, +	      xmlEnumerationPtr tree) +{ +    xmlParserCtxtPtr ctxt = (xmlParserCtxtPtr) ctx; +    xmlAttributePtr attr; +    xmlChar *name = NULL, *prefix = NULL; + +#ifdef DEBUG_SAX +    xmlGenericError(xmlGenericErrorContext, +	    "SAX.attributeDecl(%s, %s, %d, %d, %s, ...)\n", +            elem, fullname, type, def, defaultValue); +#endif +    name = xmlSplitQName(ctxt, fullname, &prefix); +    ctxt->vctxt.valid = 1; +    if (ctxt->inSubset == 1) +	attr = xmlAddAttributeDecl(&ctxt->vctxt, ctxt->myDoc->intSubset, elem, +	       name, prefix, (xmlAttributeType) type, +	       (xmlAttributeDefault) def, defaultValue, tree); +    else if (ctxt->inSubset == 2) +	attr = xmlAddAttributeDecl(&ctxt->vctxt, ctxt->myDoc->extSubset, elem, +	   name, prefix, (xmlAttributeType) type,  +	   (xmlAttributeDefault) def, defaultValue, tree); +    else { +	if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL)) +	    ctxt->sax->error(ctxt,  +	     "SAX.attributeDecl(%s) called while not in subset\n", name); +	return; +    } +    if (ctxt->vctxt.valid == 0) +	ctxt->valid = 0; +    if ((attr != NULL) && (ctxt->validate) && (ctxt->wellFormed) && +        (ctxt->myDoc != NULL) && (ctxt->myDoc->intSubset != NULL)) +	ctxt->valid &= xmlValidateAttributeDecl(&ctxt->vctxt, ctxt->myDoc, +	                                        attr); +    if (prefix != NULL) +	xmlFree(prefix); +    if (name != NULL) +	xmlFree(name); +} + +/** + * elementDecl: + * @ctx: the user data (XML parser context) + * @name:  the element name  + * @type:  the element type  + * @content: the element value tree + * + * An element definition has been parsed + */ +void +elementDecl(void *ctx, const xmlChar * name, int type, +            xmlElementContentPtr content) +{ +    xmlParserCtxtPtr ctxt = (xmlParserCtxtPtr) ctx; +    xmlElementPtr elem = NULL; + +#ifdef DEBUG_SAX +    xmlGenericError(xmlGenericErrorContext, +                    "SAX.elementDecl(%s, %d, ...)\n", name, type); +#endif + +    if (ctxt->inSubset == 1) +        elem = xmlAddElementDecl(&ctxt->vctxt, ctxt->myDoc->intSubset, +                                 name, (xmlElementTypeVal) type, content); +    else if (ctxt->inSubset == 2) +        elem = xmlAddElementDecl(&ctxt->vctxt, ctxt->myDoc->extSubset, +                                 name, (xmlElementTypeVal) type, content); +    else { +        if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL)) +            ctxt->sax->error(ctxt, +                             "SAX.elementDecl(%s) called while not in subset\n", +                             name); +        return; +    } +    if (elem == NULL) +        ctxt->valid = 0; +    if (ctxt->validate && ctxt->wellFormed && +        ctxt->myDoc && ctxt->myDoc->intSubset) +        ctxt->valid &= +            xmlValidateElementDecl(&ctxt->vctxt, ctxt->myDoc, elem); +} + +/** + * notationDecl: + * @ctx: the user data (XML parser context) + * @name: The name of the notation + * @publicId: The public ID of the entity + * @systemId: The system ID of the entity + * + * What to do when a notation declaration has been parsed. + */ +void +notationDecl(void *ctx, const xmlChar *name, +	     const xmlChar *publicId, const xmlChar *systemId) +{ +    xmlParserCtxtPtr ctxt = (xmlParserCtxtPtr) ctx; +    xmlNotationPtr nota = NULL; + +#ifdef DEBUG_SAX +    xmlGenericError(xmlGenericErrorContext, +	    "SAX.notationDecl(%s, %s, %s)\n", name, publicId, systemId); +#endif + +    if ((publicId == NULL) && (systemId == NULL)) { +	if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL)) +	    ctxt->sax->error(ctxt,  +	     "SAX.notationDecl(%s) externalID or PublicID missing\n", name); +	ctxt->valid = 0; +	ctxt->wellFormed = 0; +	return; +    } else if (ctxt->inSubset == 1) +	nota = xmlAddNotationDecl(&ctxt->vctxt, ctxt->myDoc->intSubset, name, +                              publicId, systemId); +    else if (ctxt->inSubset == 2) +	nota = xmlAddNotationDecl(&ctxt->vctxt, ctxt->myDoc->extSubset, name, +                              publicId, systemId); +    else { +	if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL)) +	    ctxt->sax->error(ctxt,  +	     "SAX.notationDecl(%s) called while not in subset\n", name); +	return; +    } +    if (nota == NULL) ctxt->valid = 0; +    if (ctxt->validate && ctxt->wellFormed && +        ctxt->myDoc && ctxt->myDoc->intSubset) +	ctxt->valid &= xmlValidateNotationDecl(&ctxt->vctxt, ctxt->myDoc, +	                                       nota); +} + +/** + * unparsedEntityDecl: + * @ctx: the user data (XML parser context) + * @name: The name of the entity + * @publicId: The public ID of the entity + * @systemId: The system ID of the entity + * @notationName: the name of the notation + * + * What to do when an unparsed entity declaration is parsed + */ +void +unparsedEntityDecl(void *ctx, const xmlChar *name, +		   const xmlChar *publicId, const xmlChar *systemId, +		   const xmlChar *notationName) +{ +    xmlEntityPtr ent; +    xmlParserCtxtPtr ctxt = (xmlParserCtxtPtr) ctx; +#ifdef DEBUG_SAX +    xmlGenericError(xmlGenericErrorContext, +	    "SAX.unparsedEntityDecl(%s, %s, %s, %s)\n", +            name, publicId, systemId, notationName); +#endif +#if 0 +    Done in xmlValidateDtdFinal now. +    if (ctxt->validate && ctxt->wellFormed && ctxt->myDoc) { +	int ret; +	ret = xmlValidateNotationUse(&ctxt->vctxt, ctxt->myDoc, +	                                      notationName); +	if (ret == 0) { +	    ctxt->wellFormed = 0; +	    ctxt->valid = 0; +	} +    } +#endif +    if (ctxt->inSubset == 1) { +	ent = xmlAddDocEntity(ctxt->myDoc, name, +			XML_EXTERNAL_GENERAL_UNPARSED_ENTITY, +			publicId, systemId, notationName); +	if ((ent == NULL) && (ctxt->pedantic) && +	    (ctxt->sax != NULL) && (ctxt->sax->warning != NULL)) +	    ctxt->sax->warning(ctxt,  +	     "Entity(%s) already defined in the internal subset\n", name); +	if ((ent != NULL) && (ent->URI == NULL) && (systemId != NULL)) { +	    xmlChar *URI; +	    const char *base = NULL; + +	    if (ctxt->input != NULL) +		base = ctxt->input->filename; +	    if (base == NULL) +		base = ctxt->directory; +	 +	    URI = xmlBuildURI(systemId, (const xmlChar *) base); +	    ent->URI = URI; +	} +    } else if (ctxt->inSubset == 2) { +	ent = xmlAddDtdEntity(ctxt->myDoc, name, +			XML_EXTERNAL_GENERAL_UNPARSED_ENTITY, +			publicId, systemId, notationName); +	if ((ent == NULL) && (ctxt->pedantic) && +	    (ctxt->sax != NULL) && (ctxt->sax->warning != NULL)) +	    ctxt->sax->warning(ctxt,  +	     "Entity(%s) already defined in the external subset\n", name); +	if ((ent != NULL) && (ent->URI == NULL) && (systemId != NULL)) { +	    xmlChar *URI; +	    const char *base = NULL; + +	    if (ctxt->input != NULL) +		base = ctxt->input->filename; +	    if (base == NULL) +		base = ctxt->directory; +	 +	    URI = xmlBuildURI(systemId, (const xmlChar *) base); +	    ent->URI = URI; +	} +    } else { +	if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL)) +	    ctxt->sax->error(ctxt,  +	     "SAX.unparsedEntityDecl(%s) called while not in subset\n", name); +    } +} + +/** + * setDocumentLocator: + * @ctx: the user data (XML parser context) + * @loc: A SAX Locator + * + * Receive the document locator at startup, actually xmlDefaultSAXLocator + * Everything is available on the context, so this is useless in our case. + */ +void +setDocumentLocator(void *ctx ATTRIBUTE_UNUSED, xmlSAXLocatorPtr loc ATTRIBUTE_UNUSED) +{ +    /* xmlParserCtxtPtr ctxt = (xmlParserCtxtPtr) ctx; */ +#ifdef DEBUG_SAX +    xmlGenericError(xmlGenericErrorContext, +	    "SAX.setDocumentLocator()\n"); +#endif +} + +/** + * startDocument: + * @ctx: the user data (XML parser context) + * + * called when the document start being processed. + */ +void +startDocument(void *ctx) +{ +    xmlParserCtxtPtr ctxt = (xmlParserCtxtPtr) ctx; +    xmlDocPtr doc; + +#ifdef DEBUG_SAX +    xmlGenericError(xmlGenericErrorContext, +	    "SAX.startDocument()\n"); +#endif +    if (ctxt->html) { +	if (ctxt->myDoc == NULL) +#ifdef LIBXML_HTML_ENABLED +	    ctxt->myDoc = htmlNewDocNoDtD(NULL, NULL); +#else +        xmlGenericError(xmlGenericErrorContext, +		"libxml2 built without HTML support\n"); +#endif +    } else { +	doc = ctxt->myDoc = xmlNewDoc(ctxt->version); +	if (doc != NULL) { +	    if (ctxt->encoding != NULL) +		doc->encoding = xmlStrdup(ctxt->encoding); +	    else +		doc->encoding = NULL; +	    doc->standalone = ctxt->standalone; +	} +    } +    if ((ctxt->myDoc != NULL) && (ctxt->myDoc->URL == NULL) && +	(ctxt->input != NULL) && (ctxt->input->filename != NULL)) { +        ctxt->myDoc->URL = xmlStrdup((const xmlChar *) ctxt->input->filename); +    } +} + +/** + * endDocument: + * @ctx: the user data (XML parser context) + * + * called when the document end has been detected. + */ +void +endDocument(void *ctx) +{ +    xmlParserCtxtPtr ctxt = (xmlParserCtxtPtr) ctx; +#ifdef DEBUG_SAX +    xmlGenericError(xmlGenericErrorContext, +	    "SAX.endDocument()\n"); +#endif +    if (ctxt->validate && ctxt->wellFormed && +        ctxt->myDoc && ctxt->myDoc->intSubset) +	ctxt->valid &= xmlValidateDocumentFinal(&ctxt->vctxt, ctxt->myDoc); + +    /* +     * Grab the encoding if it was added on-the-fly +     */ +    if ((ctxt->encoding != NULL) && (ctxt->myDoc != NULL) && +	(ctxt->myDoc->encoding == NULL)) { +	ctxt->myDoc->encoding = ctxt->encoding; +	ctxt->encoding = NULL; +    } +    if ((ctxt->inputTab[0]->encoding != NULL) && (ctxt->myDoc != NULL) && +	(ctxt->myDoc->encoding == NULL)) { +	ctxt->myDoc->encoding = xmlStrdup(ctxt->inputTab[0]->encoding); +    } +    if ((ctxt->charset != XML_CHAR_ENCODING_NONE) && (ctxt->myDoc != NULL) && +	(ctxt->myDoc->charset == XML_CHAR_ENCODING_NONE)) { +	ctxt->myDoc->charset = ctxt->charset; +    } +} + +/** + * my_attribute: + * @ctx: the user data (XML parser context) + * @fullname:  The attribute name, including namespace prefix + * @value:  The attribute value + * @prefix: the prefix on the element node + * + * Handle an attribute that has been read by the parser. + * The default handling is to convert the attribute into an + * DOM subtree and past it in a new xmlAttr element added to + * the element. + */ +static void +my_attribute(void *ctx, const xmlChar *fullname, const xmlChar *value, +	     const xmlChar *prefix) +{ +    xmlParserCtxtPtr ctxt = (xmlParserCtxtPtr) ctx; +    xmlAttrPtr ret; +    xmlChar *name; +    xmlChar *ns; +    xmlChar *nval; +    xmlNsPtr namespace; + +/**************** +#ifdef DEBUG_SAX +    xmlGenericError(xmlGenericErrorContext, +    "SAX.attribute(%s, %s)\n", fullname, value); +#endif + ****************/ +    /* +     * Split the full name into a namespace prefix and the tag name +     */ +    name = xmlSplitQName(ctxt, fullname, &ns); + +    /* +     * Do the last stage of the attribute normalization +     * Needed for HTML too: +     *   http://www.w3.org/TR/html4/types.html#h-6.2 +     */ +    ctxt->vctxt.valid = 1; +    nval = xmlValidCtxtNormalizeAttributeValue(&ctxt->vctxt, +	                                   ctxt->myDoc, ctxt->node, +					   fullname, value); +    if (ctxt->vctxt.valid != 1) { +	ctxt->valid = 0; +    } +    if (nval != NULL) +	value = nval; + +    /* +     * Check whether it's a namespace definition +     */ +    if ((!ctxt->html) && (ns == NULL) && +        (name[0] == 'x') && (name[1] == 'm') && (name[2] == 'l') && +        (name[3] == 'n') && (name[4] == 's') && (name[5] == 0)) { +	xmlNsPtr nsret; + +	if (value[0] != 0) { +	    xmlURIPtr uri; + +	    uri = xmlParseURI((const char *)value); +	    if (uri == NULL) { +		if ((ctxt->sax != NULL) && (ctxt->sax->warning != NULL)) +		    ctxt->sax->warning(ctxt->userData,  +			 "nmlns: %s not a valid URI\n", value); +	    } else { +		if (uri->scheme == NULL) { +		    if ((ctxt->sax != NULL) && (ctxt->sax->warning != NULL)) +			ctxt->sax->warning(ctxt->userData,  +			     "nmlns: URI %s is not absolute\n", value); +		} +		xmlFreeURI(uri); +	    } +	} + +	/* a default namespace definition */ +	nsret = xmlNewNs(ctxt->node, value, NULL); + +	/* +	 * Validate also for namespace decls, they are attributes from +	 * an XML-1.0 perspective +	 */ +        if (nsret != NULL && ctxt->validate && ctxt->wellFormed && +	    ctxt->myDoc && ctxt->myDoc->intSubset) +	    ctxt->valid &= xmlValidateOneNamespace(&ctxt->vctxt, ctxt->myDoc, +					   ctxt->node, prefix, nsret, value); +	if (name != NULL)  +	    xmlFree(name); +	if (nval != NULL) +	    xmlFree(nval); +	return; +    } +    if ((!ctxt->html) && +	(ns != NULL) && (ns[0] == 'x') && (ns[1] == 'm') && (ns[2] == 'l') && +        (ns[3] == 'n') && (ns[4] == 's') && (ns[5] == 0)) { +	xmlNsPtr nsret; + +	if (value[0] == 0) { +	    if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL)) +		ctxt->sax->error(ctxt->userData,  +		     "Empty namespace name for prefix %s\n", name); +	} +	/* a standard namespace definition */ +	nsret = xmlNewNs(ctxt->node, value, name); +	xmlFree(ns); +	/* +	 * Validate also for namespace decls, they are attributes from +	 * an XML-1.0 perspective +	 */ +        if (nsret != NULL && ctxt->validate && ctxt->wellFormed && +	    ctxt->myDoc && ctxt->myDoc->intSubset) +	    ctxt->valid &= xmlValidateOneNamespace(&ctxt->vctxt, ctxt->myDoc, +					   ctxt->node, prefix, nsret, value); +	if (name != NULL)  +	    xmlFree(name); +	if (nval != NULL) +	    xmlFree(nval); +	return; +    } + +    if (ns != NULL) +	namespace = xmlSearchNs(ctxt->myDoc, ctxt->node, ns); +    else { +	namespace = NULL; +    } + +    /* !!!!!! <a toto:arg="" xmlns:toto="http://toto.com"> */ +    ret = xmlNewNsPropEatName(ctxt->node, namespace, name, NULL); + +    if (ret != NULL) { +        if ((ctxt->replaceEntities == 0) && (!ctxt->html)) { +	    xmlNodePtr tmp; + +	    ret->children = xmlStringGetNodeList(ctxt->myDoc, value); +	    tmp = ret->children; +	    while (tmp != NULL) { +		tmp->parent = (xmlNodePtr) ret; +		if (tmp->next == NULL) +		    ret->last = tmp; +		tmp = tmp->next; +	    } +	} else if (value != NULL) { +	    ret->children = xmlNewDocText(ctxt->myDoc, value); +	    ret->last = ret->children; +	    if (ret->children != NULL) +		ret->children->parent = (xmlNodePtr) ret; +	} +    } + +    if ((!ctxt->html) && ctxt->validate && ctxt->wellFormed && +        ctxt->myDoc && ctxt->myDoc->intSubset) { +	 +	/* +	 * If we don't substitute entities, the validation should be +	 * done on a value with replaced entities anyway. +	 */ +        if (!ctxt->replaceEntities) { +	    xmlChar *val; + +	    ctxt->depth++; +	    val = xmlStringDecodeEntities(ctxt, value, XML_SUBSTITUTE_REF, +		                          0,0,0); +	    ctxt->depth--; +	     +	    if (val == NULL) +		ctxt->valid &= xmlValidateOneAttribute(&ctxt->vctxt, +				ctxt->myDoc, ctxt->node, ret, value); +	    else { +		xmlChar *nvalnorm; + +		/* +		 * Do the last stage of the attribute normalization +		 * It need to be done twice ... it's an extra burden related +		 * to the ability to keep references in attributes +		 */ +		nvalnorm = xmlValidNormalizeAttributeValue(ctxt->myDoc, +					    ctxt->node, fullname, val); +		if (nvalnorm != NULL) { +		    xmlFree(val); +		    val = nvalnorm; +		} + +		ctxt->valid &= xmlValidateOneAttribute(&ctxt->vctxt, +			        ctxt->myDoc, ctxt->node, ret, val); +                xmlFree(val); +	    } +	} else { +	    ctxt->valid &= xmlValidateOneAttribute(&ctxt->vctxt, ctxt->myDoc, +					       ctxt->node, ret, value); +	} +    } else if (((ctxt->replaceEntities == 0) && (ctxt->external != 2)) || +	       ((ctxt->replaceEntities != 0) && (ctxt->inSubset == 0))) { +        /* +	 * when validating, the ID registration is done at the attribute +	 * validation level. Otherwise we have to do specific handling here. +	 */ +	if (xmlIsID(ctxt->myDoc, ctxt->node, ret)) +	    xmlAddID(&ctxt->vctxt, ctxt->myDoc, value, ret); +	else if (xmlIsRef(ctxt->myDoc, ctxt->node, ret)) +	    xmlAddRef(&ctxt->vctxt, ctxt->myDoc, value, ret); +    } + +    if (nval != NULL) +	xmlFree(nval); +    if (ns != NULL)  +	xmlFree(ns); +} + +/** + * attribute: + * @ctx: the user data (XML parser context) + * @fullname:  The attribute name, including namespace prefix + * @value:  The attribute value + * + * Handle an attribute that has been read by the parser. + * The default handling is to convert the attribute into an + * DOM subtree and past it in a new xmlAttr element added to + * the element. + */ +void +attribute(void *ctx, const xmlChar *fullname, const xmlChar *value) +{ +    my_attribute(ctx, fullname, value, NULL); +} + +/* + * xmlCheckDefaultedAttributes: + * + * Check defaulted attributes from the DTD + */ +static void +xmlCheckDefaultedAttributes(xmlParserCtxtPtr ctxt, const xmlChar *name, +	const xmlChar *prefix, const xmlChar **atts) { +    xmlElementPtr elemDecl; +    const xmlChar *att; +    int internal = 1; +    int i; + +    elemDecl = xmlGetDtdQElementDesc(ctxt->myDoc->intSubset, name, prefix); +    if (elemDecl == NULL) { +	elemDecl = xmlGetDtdQElementDesc(ctxt->myDoc->extSubset, name, prefix); +	internal = 0; +    } + +process_external_subset: + +    if (elemDecl != NULL) { +	xmlAttributePtr attr = elemDecl->attributes; +	/* +	 * Check against defaulted attributes from the external subset +	 * if the document is stamped as standalone +	 */ +	if ((ctxt->myDoc->standalone == 1) && +	    (ctxt->myDoc->extSubset != NULL) && +	    (ctxt->validate)) { +	    while (attr != NULL) { +		if ((attr->defaultValue != NULL) && +		    (xmlGetDtdQAttrDesc(ctxt->myDoc->extSubset, +					attr->elem, attr->name, +					attr->prefix) == attr) && +		    (xmlGetDtdQAttrDesc(ctxt->myDoc->intSubset, +					attr->elem, attr->name, +					attr->prefix) == NULL)) { +		    xmlChar *fulln; + +		    if (attr->prefix != NULL) { +			fulln = xmlStrdup(attr->prefix); +			fulln = xmlStrcat(fulln, BAD_CAST ":"); +			fulln = xmlStrcat(fulln, attr->name); +		    } else { +			fulln = xmlStrdup(attr->name); +		    } + +		    /* +		     * Check that the attribute is not declared in the +		     * serialization +		     */ +		    att = NULL; +		    if (atts != NULL) { +			i = 0; +			att = atts[i]; +			while (att != NULL) { +			    if (xmlStrEqual(att, fulln)) +				break; +			    i += 2; +			    att = atts[i]; +			} +		    } +		    if (att == NULL) { +			if (ctxt->vctxt.error != NULL) +			    ctxt->vctxt.error(ctxt->vctxt.userData, +      "standalone: attribute %s on %s defaulted from external subset\n", +					      fulln, attr->elem); +			ctxt->valid = 0; +		    } +		} +		attr = attr->nexth; +	    } +	} + +	/* +	 * Actually insert defaulted values when needed +	 */ +	attr = elemDecl->attributes; +	while (attr != NULL) { +	    /* +	     * Make sure that attributes redefinition occuring in the +	     * internal subset are not overriden by definitions in the +	     * external subset. +	     */ +	    if (attr->defaultValue != NULL) { +		/* +		 * the element should be instantiated in the tree if: +		 *  - this is a namespace prefix +		 *  - the user required for completion in the tree +		 *    like XSLT +		 *  - there isn't already an attribute definition  +		 *    in the internal subset overriding it. +		 */ +		if (((attr->prefix != NULL) && +		     (xmlStrEqual(attr->prefix, BAD_CAST "xmlns"))) || +		    ((attr->prefix == NULL) && +		     (xmlStrEqual(attr->name, BAD_CAST "xmlns"))) || +		    (ctxt->loadsubset & XML_COMPLETE_ATTRS)) { +		    xmlAttributePtr tst; + +		    tst = xmlGetDtdQAttrDesc(ctxt->myDoc->intSubset, +					     attr->elem, attr->name, +					     attr->prefix); +		    if ((tst == attr) || (tst == NULL)) { +			xmlChar *fulln; + +			if (attr->prefix != NULL) { +			    fulln = xmlStrdup(attr->prefix); +			    fulln = xmlStrcat(fulln, BAD_CAST ":"); +			    fulln = xmlStrcat(fulln, attr->name); +			} else { +			    fulln = xmlStrdup(attr->name); +			} + +			/* +			 * Check that the attribute is not declared in the +			 * serialization +			 */ +			att = NULL; +			if (atts != NULL) { +			    i = 0; +			    att = atts[i]; +			    while (att != NULL) { +				if (xmlStrEqual(att, fulln)) +				    break; +				i += 2; +				att = atts[i]; +			    } +			} +			if (att == NULL) { +			    attribute(ctxt, fulln, attr->defaultValue); +			} +			xmlFree(fulln); +		    } +		} +	    } +	    attr = attr->nexth; +	} +	if (internal == 1) { +	    elemDecl = xmlGetDtdQElementDesc(ctxt->myDoc->extSubset, +		                             name, prefix); +	    internal = 0; +	    goto process_external_subset; +	} +    } +} + +/** + * startElement: + * @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. + */ +void +startElement(void *ctx, const xmlChar *fullname, const xmlChar **atts) +{ +    xmlParserCtxtPtr ctxt = (xmlParserCtxtPtr) ctx; +    xmlNodePtr ret; +    xmlNodePtr parent = ctxt->node; +    xmlNsPtr ns; +    xmlChar *name; +    xmlChar *prefix; +    const xmlChar *att; +    const xmlChar *value; +    int i; + +#ifdef DEBUG_SAX +    xmlGenericError(xmlGenericErrorContext, +	    "SAX.startElement(%s)\n", fullname); +#endif + +    /* +     * First check on validity: +     */ +    if (ctxt->validate && (ctxt->myDoc->extSubset == NULL) &&  +        ((ctxt->myDoc->intSubset == NULL) || +	 ((ctxt->myDoc->intSubset->notations == NULL) &&  +	  (ctxt->myDoc->intSubset->elements == NULL) && +	  (ctxt->myDoc->intSubset->attributes == NULL) &&  +	  (ctxt->myDoc->intSubset->entities == NULL)))) { +	if (ctxt->vctxt.error != NULL) { +            ctxt->vctxt.error(ctxt->vctxt.userData, +	      "Validation failed: no DTD found !\n"); +	} +	ctxt->validate = 0; +	ctxt->valid = 0; +	ctxt->errNo = XML_ERR_NO_DTD; +    } +        + +    /* +     * Split the full name into a namespace prefix and the tag name +     */ +    name = xmlSplitQName(ctxt, fullname, &prefix); + + +    /* +     * Note : the namespace resolution is deferred until the end of the +     *        attributes parsing, since local namespace can be defined as +     *        an attribute at this level. +     */ +    ret = xmlNewDocNodeEatName(ctxt->myDoc, NULL, name, NULL); +    if (ret == NULL) return; +    if (ctxt->myDoc->children == NULL) { +#ifdef DEBUG_SAX_TREE +	xmlGenericError(xmlGenericErrorContext, "Setting %s as root\n", name); +#endif +        xmlAddChild((xmlNodePtr) ctxt->myDoc, (xmlNodePtr) ret); +    } else if (parent == NULL) { +        parent = ctxt->myDoc->children; +    } +    ctxt->nodemem = -1; +    if (ctxt->linenumbers) { +	if (ctxt->input != NULL) +	    ret->content = (void *) (long) ctxt->input->line; +    } + +    /* +     * We are parsing a new node. +     */ +#ifdef DEBUG_SAX_TREE +    xmlGenericError(xmlGenericErrorContext, "pushing(%s)\n", name); +#endif +    nodePush(ctxt, ret); + +    /* +     * Link the child element +     */ +    if (parent != NULL) { +        if (parent->type == XML_ELEMENT_NODE) { +#ifdef DEBUG_SAX_TREE +	    xmlGenericError(xmlGenericErrorContext, +		    "adding child %s to %s\n", name, parent->name); +#endif +	    xmlAddChild(parent, ret); +	} else { +#ifdef DEBUG_SAX_TREE +	    xmlGenericError(xmlGenericErrorContext, +		    "adding sibling %s to ", name); +	    xmlDebugDumpOneNode(stderr, parent, 0); +#endif +	    xmlAddSibling(parent, ret); +	} +    } + +    /* +     * Insert all the defaulted attributes from the DTD especially namespaces +     */ +    if ((!ctxt->html) && +	((ctxt->myDoc->intSubset != NULL) || +	 (ctxt->myDoc->extSubset != NULL))) { +	xmlCheckDefaultedAttributes(ctxt, name, prefix, atts); +    } + +    /* +     * process all the attributes whose name start with "xmlns" +     */ +    if (atts != NULL) { +        i = 0; +	att = atts[i++]; +	value = atts[i++]; +	if (!ctxt->html) { +	    while ((att != NULL) && (value != NULL)) { +		if ((att[0] == 'x') && (att[1] == 'm') && (att[2] == 'l') && +		    (att[3] == 'n') && (att[4] == 's')) +		    my_attribute(ctxt, att, value, prefix); + +		att = atts[i++]; +		value = atts[i++]; +	    } +	} +    } + +    /* +     * Search the namespace, note that since the attributes have been +     * processed, the local namespaces are available. +     */ +    ns = xmlSearchNs(ctxt->myDoc, ret, prefix); +    if ((ns == NULL) && (parent != NULL)) +	ns = xmlSearchNs(ctxt->myDoc, parent, prefix); +    if ((prefix != NULL) && (ns == NULL)) { +	ns = xmlNewNs(ret, NULL, prefix); +	if ((ctxt->sax != NULL) && (ctxt->sax->warning != NULL)) +	    ctxt->sax->warning(ctxt->userData,  +		 "Namespace prefix %s is not defined\n", prefix); +    } + +    /* +     * set the namespace node, making sure that if the default namspace +     * is unbound on a parent we simply kee it NULL +     */ +    if ((ns != NULL) && (ns->href != NULL) && +	((ns->href[0] != 0) || (ns->prefix != NULL))) +	xmlSetNs(ret, ns); + +    /* +     * process all the other attributes +     */ +    if (atts != NULL) { +        i = 0; +	att = atts[i++]; +	value = atts[i++]; +	if (ctxt->html) { +	    while (att != NULL) { +		attribute(ctxt, att, value); +		att = atts[i++]; +		value = atts[i++]; +	    } +	} else { +	    while ((att != NULL) && (value != NULL)) { +		if ((att[0] != 'x') || (att[1] != 'm') || (att[2] != 'l') || +		    (att[3] != 'n') || (att[4] != 's')) +		    attribute(ctxt, att, value); + +		/* +		 * Next ones +		 */ +		att = atts[i++]; +		value = atts[i++]; +	    } +	} +    } + +    /* +     * If it's the Document root, finish the DTD validation and +     * check the document root element for validity +     */ +    if ((ctxt->validate) && (ctxt->vctxt.finishDtd == 0)) { +	int chk; + +	chk = xmlValidateDtdFinal(&ctxt->vctxt, ctxt->myDoc); +	if (chk <= 0) +	    ctxt->valid = 0; +	if (chk < 0) +	    ctxt->wellFormed = 0; +	ctxt->valid &= xmlValidateRoot(&ctxt->vctxt, ctxt->myDoc); +	ctxt->vctxt.finishDtd = 1; +    } + +    if (prefix != NULL) +	xmlFree(prefix); + +} + +/** + * endElement: + * @ctx: the user data (XML parser context) + * @name:  The element name + * + * called when the end of an element has been detected. + */ +void +endElement(void *ctx, const xmlChar *name ATTRIBUTE_UNUSED) +{ +    xmlParserCtxtPtr ctxt = (xmlParserCtxtPtr) ctx; +    xmlParserNodeInfo node_info; +    xmlNodePtr cur = ctxt->node; + +#ifdef DEBUG_SAX +    if (name == NULL) +        xmlGenericError(xmlGenericErrorContext, "SAX.endElement(NULL)\n"); +    else +	xmlGenericError(xmlGenericErrorContext, "SAX.endElement(%s)\n", name); +#endif +     +    /* Capture end position and add node */ +    if (cur != NULL && ctxt->record_info) { +      node_info.end_pos = ctxt->input->cur - ctxt->input->base; +      node_info.end_line = ctxt->input->line; +      node_info.node = cur; +      xmlParserAddNodeInfo(ctxt, &node_info); +    } +    ctxt->nodemem = -1; + +    if (ctxt->validate && ctxt->wellFormed && +        ctxt->myDoc && ctxt->myDoc->intSubset) +        ctxt->valid &= xmlValidateOneElement(&ctxt->vctxt, ctxt->myDoc, +					     cur); + +     +    /* +     * end of parsing of this node. +     */ +#ifdef DEBUG_SAX_TREE +    xmlGenericError(xmlGenericErrorContext, "popping(%s)\n", cur->name); +#endif +    nodePop(ctxt); +} + +/** + * reference: + * @ctx: the user data (XML parser context) + * @name:  The entity name + * + * called when an entity reference is detected.  + */ +void +reference(void *ctx, const xmlChar *name) +{ +    xmlParserCtxtPtr ctxt = (xmlParserCtxtPtr) ctx; +    xmlNodePtr ret; + +#ifdef DEBUG_SAX +    xmlGenericError(xmlGenericErrorContext, +	    "SAX.reference(%s)\n", name); +#endif +    if (name[0] == '#') +	ret = xmlNewCharRef(ctxt->myDoc, name); +    else +	ret = xmlNewReference(ctxt->myDoc, name); +#ifdef DEBUG_SAX_TREE +    xmlGenericError(xmlGenericErrorContext, +	    "add reference %s to %s \n", name, ctxt->node->name); +#endif +    xmlAddChild(ctxt->node, ret); +} + +/** + * characters: + * @ctx: the user data (XML parser context) + * @ch:  a xmlChar string + * @len: the number of xmlChar + * + * receiving some chars from the parser. + */ +void +characters(void *ctx, const xmlChar *ch, int len) +{ +    xmlParserCtxtPtr ctxt = (xmlParserCtxtPtr) ctx; +    xmlNodePtr lastChild; + +#ifdef DEBUG_SAX +    xmlGenericError(xmlGenericErrorContext, +	    "SAX.characters(%.30s, %d)\n", ch, len); +#endif +    /* +     * Handle the data if any. If there is no child +     * add it as content, otherwise if the last child is text, +     * concatenate it, else create a new node of type text. +     */ + +    if (ctxt->node == NULL) { +#ifdef DEBUG_SAX_TREE +	xmlGenericError(xmlGenericErrorContext, +		"add chars: ctxt->node == NULL !\n"); +#endif +        return; +    } +    lastChild = xmlGetLastChild(ctxt->node); +#ifdef DEBUG_SAX_TREE +    xmlGenericError(xmlGenericErrorContext, +	    "add chars to %s \n", ctxt->node->name); +#endif + +    /* +     * Here we needed an accelerator mechanism in case of very large +     * elements. Use an attribute in the structure !!! +     */ +    if (lastChild == NULL) { +	/* first node, first time */ +	xmlNodeAddContentLen(ctxt->node, ch, len); +	if (ctxt->node->children != NULL) { +	    ctxt->nodelen = len; +	    ctxt->nodemem = len + 1; +	} +    } else { +	int coalesceText = (lastChild != NULL) && +	    (lastChild->type == XML_TEXT_NODE) && +	    (lastChild->name == xmlStringText); +	if ((coalesceText) && (ctxt->nodemem != 0)) { +	    /* +	     * The whole point of maintaining nodelen and nodemem, +	     * xmlTextConcat is too costly, i.e. compute length, +	     * reallocate a new buffer, move data, append ch. Here +	     * We try to minimaze realloc() uses and avoid copying +	     * and recomputing length over and over. +	     */ +	    if (ctxt->nodelen + len >= ctxt->nodemem) { +		xmlChar *newbuf; +		int size; + +		size = ctxt->nodemem + len; +		size *= 2; +                newbuf = (xmlChar *) xmlRealloc(lastChild->content,size); +		if (newbuf == NULL) { +		    if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL)) +			ctxt->sax->error(ctxt->userData,  +			     "SAX.characters(): out of memory\n"); +		    return; +		} +		ctxt->nodemem = size; +		lastChild->content = newbuf; +	    } +	    memcpy(&lastChild->content[ctxt->nodelen], ch, len); +	    ctxt->nodelen += len; +	    lastChild->content[ctxt->nodelen] = 0; +	} else if (coalesceText) { +	    xmlTextConcat(lastChild, ch, len); +	    if (ctxt->node->children != NULL) { +		ctxt->nodelen = xmlStrlen(lastChild->content); +		ctxt->nodemem = ctxt->nodelen + 1; +	    } +	} else { +	    /* Mixed content, first time */ +	    lastChild = xmlNewTextLen(ch, len); +	    xmlAddChild(ctxt->node, lastChild); +	    if (ctxt->node->children != NULL) { +		ctxt->nodelen = len; +		ctxt->nodemem = len + 1; +	    } +	} +    } +} + +/** + * ignorableWhitespace: + * @ctx: the user data (XML parser context) + * @ch:  a xmlChar string + * @len: the number of xmlChar + * + * receiving some ignorable whitespaces from the parser. + * UNUSED: by default the DOM building will use characters + */ +void +ignorableWhitespace(void *ctx ATTRIBUTE_UNUSED, const xmlChar *ch ATTRIBUTE_UNUSED, int len ATTRIBUTE_UNUSED) +{ +    /* xmlParserCtxtPtr ctxt = (xmlParserCtxtPtr) ctx; */ +#ifdef DEBUG_SAX +    xmlGenericError(xmlGenericErrorContext, +	    "SAX.ignorableWhitespace(%.30s, %d)\n", ch, len); +#endif +} + +/** + * processingInstruction: + * @ctx: the user data (XML parser context) + * @target:  the target name + * @data: the PI data's + * + * A processing instruction has been parsed. + */ +void +processingInstruction(void *ctx, const xmlChar *target, +                      const xmlChar *data) +{ +    xmlParserCtxtPtr ctxt = (xmlParserCtxtPtr) ctx; +    xmlNodePtr ret; +    xmlNodePtr parent = ctxt->node; + +#ifdef DEBUG_SAX +    xmlGenericError(xmlGenericErrorContext, +	    "SAX.processingInstruction(%s, %s)\n", target, data); +#endif + +    ret = xmlNewPI(target, data); +    if (ret == NULL) return; +    parent = ctxt->node; + +    if (ctxt->inSubset == 1) { +	xmlAddChild((xmlNodePtr) ctxt->myDoc->intSubset, ret); +	return; +    } else if (ctxt->inSubset == 2) { +	xmlAddChild((xmlNodePtr) ctxt->myDoc->extSubset, ret); +	return; +    } +    if ((ctxt->myDoc->children == NULL) || (parent == NULL)) { +#ifdef DEBUG_SAX_TREE +	    xmlGenericError(xmlGenericErrorContext, +		    "Setting PI %s as root\n", target); +#endif +        xmlAddChild((xmlNodePtr) ctxt->myDoc, (xmlNodePtr) ret); +	return; +    } +    if (parent->type == XML_ELEMENT_NODE) { +#ifdef DEBUG_SAX_TREE +	xmlGenericError(xmlGenericErrorContext, +		"adding PI %s child to %s\n", target, parent->name); +#endif +	xmlAddChild(parent, ret); +    } else { +#ifdef DEBUG_SAX_TREE +	xmlGenericError(xmlGenericErrorContext, +		"adding PI %s sibling to ", target); +	xmlDebugDumpOneNode(stderr, parent, 0); +#endif +	xmlAddSibling(parent, ret); +    } +} + +/** + * globalNamespace: + * @ctx: the user data (XML parser context) + * @href:  the namespace associated URN + * @prefix: the namespace prefix + * + * An old global namespace has been parsed. + */ +void +globalNamespace(void *ctx, const xmlChar *href, const xmlChar *prefix) +{ +    xmlParserCtxtPtr ctxt = (xmlParserCtxtPtr) ctx; +#ifdef DEBUG_SAX +    xmlGenericError(xmlGenericErrorContext, +	    "SAX.globalNamespace(%s, %s)\n", href, prefix); +#endif +    xmlNewGlobalNs(ctxt->myDoc, href, prefix); +} + +/** + * setNamespace: + * @ctx: the user data (XML parser context) + * @name:  the namespace prefix + * + * Set the current element namespace. + */ + +void +setNamespace(void *ctx, const xmlChar *name) +{ +    xmlParserCtxtPtr ctxt = (xmlParserCtxtPtr) ctx; +    xmlNsPtr ns; +    xmlNodePtr parent; + +#ifdef DEBUG_SAX +    xmlGenericError(xmlGenericErrorContext, "SAX.setNamespace(%s)\n", name); +#endif +    ns = xmlSearchNs(ctxt->myDoc, ctxt->node, name); +    if (ns == NULL) { /* ctxt->node may not have a parent yet ! */ +        if (ctxt->nodeNr >= 2) { +	    parent = ctxt->nodeTab[ctxt->nodeNr - 2]; +	    if (parent != NULL) +		ns = xmlSearchNs(ctxt->myDoc, parent, name); +	} +    } +    xmlSetNs(ctxt->node, ns); +} + +/** + * getNamespace: + * @ctx: the user data (XML parser context) + * + * Get the current element namespace. + * + * Returns the xmlNsPtr or NULL if none + */ + +xmlNsPtr +getNamespace(void *ctx) +{ +    xmlParserCtxtPtr ctxt = (xmlParserCtxtPtr) ctx; +    xmlNsPtr ret; + +#ifdef DEBUG_SAX +    xmlGenericError(xmlGenericErrorContext, "SAX.getNamespace()\n"); +#endif +    ret = ctxt->node->ns; +    return(ret); +} + +/** + * checkNamespace: + * @ctx: the user data (XML parser context) + * @namespace: the namespace to check against + * + * Check that the current element namespace is the same as the + * one read upon parsing. + * + * Returns 1 if true 0 otherwise + */ + +int +checkNamespace(void *ctx, xmlChar *namespace) +{ +    xmlParserCtxtPtr ctxt = (xmlParserCtxtPtr) ctx; +    xmlNodePtr cur = ctxt->node; + +#ifdef DEBUG_SAX +    xmlGenericError(xmlGenericErrorContext, +	    "SAX.checkNamespace(%s)\n", namespace); +#endif + +    /* +     * Check that the Name in the ETag is the same as in the STag. +     */ +    if (namespace == NULL) { +        if ((cur->ns != NULL) && (cur->ns->prefix != NULL)) { +	    if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL)) +		ctxt->sax->error(ctxt,  +		 "End tags for %s don't hold the namespace %s\n", +		                 cur->name, cur->ns->prefix); +	    ctxt->wellFormed = 0; +	} +    } else { +        if ((cur->ns == NULL) || (cur->ns->prefix == NULL)) { +	    if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL)) +		ctxt->sax->error(ctxt,  +		 "End tags %s holds a prefix %s not used by the open tag\n", +		                 cur->name, namespace); +	    ctxt->wellFormed = 0; +	} else if (!xmlStrEqual(namespace, cur->ns->prefix)) { +	    if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL)) +		ctxt->sax->error(ctxt,  +    "Start and End tags for %s don't use the same namespaces: %s and %s\n", +	                         cur->name, cur->ns->prefix, namespace); +	    ctxt->wellFormed = 0; +	} else +	    return(1); +    } +    return(0); +} + +/** + * namespaceDecl: + * @ctx: the user data (XML parser context) + * @href:  the namespace associated URN + * @prefix: the namespace prefix + * + * A namespace has been parsed. + */ +void +namespaceDecl(void *ctx, const xmlChar *href, const xmlChar *prefix) +{ +    xmlParserCtxtPtr ctxt = (xmlParserCtxtPtr) ctx; +#ifdef DEBUG_SAX +    if (prefix == NULL) +	xmlGenericError(xmlGenericErrorContext, +		"SAX.namespaceDecl(%s, NULL)\n", href); +    else +	xmlGenericError(xmlGenericErrorContext, +		"SAX.namespaceDecl(%s, %s)\n", href, prefix); +#endif +    xmlNewNs(ctxt->node, href, prefix); +} + +/** + * comment: + * @ctx: the user data (XML parser context) + * @value:  the comment content + * + * A comment has been parsed. + */ +void +comment(void *ctx, const xmlChar *value) +{ +    xmlParserCtxtPtr ctxt = (xmlParserCtxtPtr) ctx; +    xmlNodePtr ret; +    xmlNodePtr parent = ctxt->node; + +#ifdef DEBUG_SAX +    xmlGenericError(xmlGenericErrorContext, "SAX.comment(%s)\n", value); +#endif +    ret = xmlNewDocComment(ctxt->myDoc, value); +    if (ret == NULL) return; + +    if (ctxt->inSubset == 1) { +	xmlAddChild((xmlNodePtr) ctxt->myDoc->intSubset, ret); +	return; +    } else if (ctxt->inSubset == 2) { +	xmlAddChild((xmlNodePtr) ctxt->myDoc->extSubset, ret); +	return; +    } +    if ((ctxt->myDoc->children == NULL) || (parent == NULL)) { +#ifdef DEBUG_SAX_TREE +	    xmlGenericError(xmlGenericErrorContext, +		    "Setting comment as root\n"); +#endif +        xmlAddChild((xmlNodePtr) ctxt->myDoc, (xmlNodePtr) ret); +	return; +    } +    if (parent->type == XML_ELEMENT_NODE) { +#ifdef DEBUG_SAX_TREE +	xmlGenericError(xmlGenericErrorContext, +		"adding comment child to %s\n", parent->name); +#endif +	xmlAddChild(parent, ret); +    } else { +#ifdef DEBUG_SAX_TREE +	xmlGenericError(xmlGenericErrorContext, +		"adding comment sibling to "); +	xmlDebugDumpOneNode(stderr, parent, 0); +#endif +	xmlAddSibling(parent, ret); +    } +} + +/** + * cdataBlock: + * @ctx: the user data (XML parser context) + * @value:  The pcdata content + * @len:  the block length + * + * called when a pcdata block has been parsed + */ +void +cdataBlock(void *ctx, const xmlChar *value, int len) +{ +    xmlParserCtxtPtr ctxt = (xmlParserCtxtPtr) ctx; +    xmlNodePtr ret, lastChild; + +#ifdef DEBUG_SAX +    xmlGenericError(xmlGenericErrorContext, +	    "SAX.pcdata(%.10s, %d)\n", value, len); +#endif +    lastChild = xmlGetLastChild(ctxt->node); +#ifdef DEBUG_SAX_TREE +    xmlGenericError(xmlGenericErrorContext, +	    "add chars to %s \n", ctxt->node->name); +#endif +    if ((lastChild != NULL) && +        (lastChild->type == XML_CDATA_SECTION_NODE)) { +	xmlTextConcat(lastChild, value, len); +    } else { +	ret = xmlNewCDataBlock(ctxt->myDoc, value, len); +	xmlAddChild(ctxt->node, ret); +    } +} + +/** + * initxmlDefaultSAXHandler: + * @hdlr:  the SAX handler + * @warning:  flag if non-zero sets the handler warning procedure + * + * Initialize the default XML SAX handler + */ +void +initxmlDefaultSAXHandler(xmlSAXHandler *hdlr, int warning) +{ +    if(hdlr->initialized == 1) +	return; + +    hdlr->internalSubset = internalSubset; +    hdlr->externalSubset = externalSubset; +    hdlr->isStandalone = isStandalone; +    hdlr->hasInternalSubset = hasInternalSubset; +    hdlr->hasExternalSubset = hasExternalSubset; +    hdlr->resolveEntity = resolveEntity; +    hdlr->getEntity = getEntity; +    hdlr->getParameterEntity = getParameterEntity; +    hdlr->entityDecl = entityDecl; +    hdlr->attributeDecl = attributeDecl; +    hdlr->elementDecl = elementDecl; +    hdlr->notationDecl = notationDecl; +    hdlr->unparsedEntityDecl = unparsedEntityDecl; +    hdlr->setDocumentLocator = setDocumentLocator; +    hdlr->startDocument = startDocument; +    hdlr->endDocument = endDocument; +    hdlr->startElement = startElement; +    hdlr->endElement = endElement; +    hdlr->reference = reference; +    hdlr->characters = characters; +    hdlr->cdataBlock = cdataBlock; +    hdlr->ignorableWhitespace = characters; +    hdlr->processingInstruction = processingInstruction; +    hdlr->comment = comment; +    /* if (xmlGetWarningsDefaultValue == 0) */ +    if (warning == 0) +	hdlr->warning = NULL; +    else +	hdlr->warning = xmlParserWarning; +    hdlr->error = xmlParserError; +    hdlr->fatalError = xmlParserError; + +    hdlr->initialized = 1; +} + +/** + * xmlDefaultSAXHandlerInit: + * + * Initialize the default SAX handler + */ +void +xmlDefaultSAXHandlerInit(void) +{ +    initxmlDefaultSAXHandler(&xmlDefaultSAXHandler, xmlGetWarningsDefaultValue); +} + +#ifdef LIBXML_HTML_ENABLED + +/** + * inithtmlDefaultSAXHandler: + * @hdlr:  the SAX handler + * + * Initialize the default HTML SAX handler + */ +void +inithtmlDefaultSAXHandler(xmlSAXHandler *hdlr) +{ +    if(hdlr->initialized == 1) +	return; + +    hdlr->internalSubset = internalSubset; +    hdlr->externalSubset = NULL; +    hdlr->isStandalone = NULL; +    hdlr->hasInternalSubset = NULL; +    hdlr->hasExternalSubset = NULL; +    hdlr->resolveEntity = NULL; +    hdlr->getEntity = getEntity; +    hdlr->getParameterEntity = NULL; +    hdlr->entityDecl = NULL; +    hdlr->attributeDecl = NULL; +    hdlr->elementDecl = NULL; +    hdlr->notationDecl = NULL; +    hdlr->unparsedEntityDecl = NULL; +    hdlr->setDocumentLocator = setDocumentLocator; +    hdlr->startDocument = startDocument; +    hdlr->endDocument = endDocument; +    hdlr->startElement = startElement; +    hdlr->endElement = endElement; +    hdlr->reference = NULL; +    hdlr->characters = characters; +    hdlr->cdataBlock = cdataBlock; +    hdlr->ignorableWhitespace = ignorableWhitespace; +    hdlr->processingInstruction = NULL; +    hdlr->comment = comment; +    hdlr->warning = xmlParserWarning; +    hdlr->error = xmlParserError; +    hdlr->fatalError = xmlParserError; + +    hdlr->initialized = 1; +} + +/** + * htmlDefaultSAXHandlerInit: + * + * Initialize the default SAX handler + */ +void +htmlDefaultSAXHandlerInit(void) +{ +	inithtmlDefaultSAXHandler(&htmlDefaultSAXHandler); +} + +#endif /* LIBXML_HTML_ENABLED */ + +#ifdef LIBXML_DOCB_ENABLED + +/** + * initdocbDefaultSAXHandler: + * @hdlr:  the SAX handler + * + * Initialize the default DocBook SAX handler + */ +void +initdocbDefaultSAXHandler(xmlSAXHandler *hdlr) +{ +    if(hdlr->initialized == 1) +	return; + +    hdlr->internalSubset = internalSubset; +    hdlr->externalSubset = NULL; +    hdlr->isStandalone = isStandalone; +    hdlr->hasInternalSubset = hasInternalSubset; +    hdlr->hasExternalSubset = hasExternalSubset; +    hdlr->resolveEntity = resolveEntity; +    hdlr->getEntity = getEntity; +    hdlr->getParameterEntity = NULL; +    hdlr->entityDecl = entityDecl; +    hdlr->attributeDecl = NULL; +    hdlr->elementDecl = NULL; +    hdlr->notationDecl = NULL; +    hdlr->unparsedEntityDecl = NULL; +    hdlr->setDocumentLocator = setDocumentLocator; +    hdlr->startDocument = startDocument; +    hdlr->endDocument = endDocument; +    hdlr->startElement = startElement; +    hdlr->endElement = endElement; +    hdlr->reference = reference; +    hdlr->characters = characters; +    hdlr->cdataBlock = NULL; +    hdlr->ignorableWhitespace = ignorableWhitespace; +    hdlr->processingInstruction = NULL; +    hdlr->comment = comment; +    hdlr->warning = xmlParserWarning; +    hdlr->error = xmlParserError; +    hdlr->fatalError = xmlParserError; + +    hdlr->initialized = 1; +} + +/** + * docbDefaultSAXHandlerInit: + * + * Initialize the default SAX handler + */ +void +docbDefaultSAXHandlerInit(void) +{ +    initdocbDefaultSAXHandler(&docbDefaultSAXHandler); +} + +#endif /* LIBXML_DOCB_ENABLED */  | 
