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fuchsia / third_party / github.com / GNOME / libxml2 / refs/heads/upstream/LIBXML2_2_5_X / . / SAX.c
blob: 3f6289424ecfc183ad3c65cef53b2381eed6539a [file] [log] [blame]
/*
* 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->instate = XML_PARSER_EOF;
ctxt->disableSAX = 1;
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
*/
if (ctxt->input->length >= 4) {
enc = xmlDetectCharEncoding(ctxt->input->cur, 4);
xmlSwitchEncoding(ctxt, enc);
}
if (input->filename == NULL)
input->filename = (char *) xmlCanonicPath(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 = NULL;
#ifdef DEBUG_SAX
xmlGenericError(xmlGenericErrorContext,
"SAX.getEntity(%s)\n", name);
#endif
if (ctxt->inSubset == 0) {
ret = xmlGetPredefinedEntity(name);
if (ret != NULL)
return(ret);
}
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) || (ctxt->replaceEntities)) &&
(ret->children == NULL) &&
(ret->etype == XML_EXTERNAL_GENERAL_PARSED_ENTITY)) {
int val;
/*
* for validation purposes we really need to fetch and
* parse the external entity
*/
xmlNodePtr children;
val = xmlParseCtxtExternalEntity(ctxt, ret->URI,
ret->ExternalID, &children);
if (val == 0) {
xmlAddChildList((xmlNodePtr) ret, children);
} else {
ctxt->sax->error(ctxt,
"Failure to process entity %s\n", name);
ctxt->wellFormed = 0;
ctxt->valid = 0;
ctxt->validate = 0;
return(NULL);
}
ret->owner = 1;
}
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 (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) {
#ifdef LIBXML_HTML_ENABLED
if (ctxt->myDoc == NULL)
ctxt->myDoc = htmlNewDocNoDtD(NULL, NULL);
if (ctxt->myDoc == NULL) {
if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
ctxt->sax->error(ctxt->userData,
"SAX.startDocument(): out of memory\n");
ctxt->errNo = XML_ERR_NO_MEMORY;
ctxt->instate = XML_PARSER_EOF;
ctxt->disableSAX = 1;
return;
}
#else
xmlGenericError(xmlGenericErrorContext,
"libxml2 built without HTML support\n");
ctxt->errNo = XML_ERR_INTERNAL_ERROR;
ctxt->instate = XML_PARSER_EOF;
ctxt->disableSAX = 1;
return;
#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;
} else {
if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
ctxt->sax->error(ctxt->userData,
"SAX.startDocument(): out of memory\n");
ctxt->errNo = XML_ERR_NO_MEMORY;
ctxt->instate = XML_PARSER_EOF;
ctxt->disableSAX = 1;
return;
}
}
if ((ctxt->myDoc != NULL) && (ctxt->myDoc->URL == NULL) &&
(ctxt->input != NULL) && (ctxt->input->filename != NULL)) {
ctxt->myDoc->URL = xmlCanonicPath((const xmlChar *) ctxt->input->filename);
if (ctxt->myDoc->URL == 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);
if ((name != NULL) && (name[0] == 0)) {
if (xmlStrEqual(ns, BAD_CAST "xmlns")) {
if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
ctxt->sax->error(ctxt->userData,
"invalid namespace declaration '%s'\n", fullname);
} else {
if ((ctxt->sax != NULL) && (ctxt->sax->warning != NULL))
ctxt->sax->warning(ctxt->userData,
"Avoid attribute ending with ':' like '%s'\n", fullname);
}
if (ns != NULL)
xmlFree(ns);
ns = NULL;
xmlFree(name);
name = xmlStrdup(fullname);
}
if (name == NULL) {
if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
ctxt->sax->error(ctxt->userData,
"SAX.startElement(): out of memory\n");
ctxt->errNo = XML_ERR_NO_MEMORY;
ctxt->instate = XML_PARSER_EOF;
ctxt->disableSAX = 1;
if (ns != NULL)
xmlFree(ns);
return;
}
/*
* 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;
xmlChar *val;
if (!ctxt->replaceEntities) {
ctxt->depth++;
val = xmlStringDecodeEntities(ctxt, value, XML_SUBSTITUTE_REF,
0,0,0);
ctxt->depth--;
} else {
val = (xmlChar *) value;
}
if (val[0] != 0) {
xmlURIPtr uri;
uri = xmlParseURI((const char *)val);
if (uri == NULL) {
if ((ctxt->sax != NULL) && (ctxt->sax->warning != NULL))
ctxt->sax->warning(ctxt->userData,
"nmlns: %s not a valid URI\n", val);
} else {
if (uri->scheme == NULL) {
if ((ctxt->sax != NULL) && (ctxt->sax->warning != NULL))
ctxt->sax->warning(ctxt->userData,
"xmlns: URI %s is not absolute\n", val);
}
xmlFreeURI(uri);
}
}
/* a default namespace definition */
nsret = xmlNewNs(ctxt->node, val, 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, val);
if (name != NULL)
xmlFree(name);
if (nval != NULL)
xmlFree(nval);
if (val != value)
xmlFree(val);
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;
xmlChar *val;
if (!ctxt->replaceEntities) {
ctxt->depth++;
val = xmlStringDecodeEntities(ctxt, value, XML_SUBSTITUTE_REF,
0,0,0);
ctxt->depth--;
if (val == NULL) {
if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
ctxt->sax->error(ctxt->userData,
"SAX.startElement(): out of memory\n");
ctxt->errNo = XML_ERR_NO_MEMORY;
ctxt->instate = XML_PARSER_EOF;
ctxt->disableSAX = 1;
xmlFree(ns);
if (name != NULL)
xmlFree(name);
return;
}
} else {
val = (xmlChar *) value;
}
if (val[0] == 0) {
if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
ctxt->sax->error(ctxt->userData,
"Empty namespace name for prefix %s\n", name);
}
if ((ctxt->pedantic != 0) && (val[0] != 0)) {
xmlURIPtr uri;
uri = xmlParseURI((const char *)val);
if (uri == NULL) {
if ((ctxt->sax != NULL) && (ctxt->sax->warning != NULL))
ctxt->sax->warning(ctxt->userData,
"xmlns:%s: %s not a valid URI\n", name, value);
} else {
if (uri->scheme == NULL) {
if ((ctxt->sax != NULL) && (ctxt->sax->warning != NULL))
ctxt->sax->warning(ctxt->userData,
"xmlns:%s: URI %s is not absolute\n", name, value);
}
xmlFreeURI(uri);
}
}
/* a standard namespace definition */
nsret = xmlNewNs(ctxt->node, val, 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);
if (val != value)
xmlFree(val);
return;
}
if (ns != NULL) {
xmlAttrPtr prop;
namespace = xmlSearchNs(ctxt->myDoc, ctxt->node, ns);
prop = ctxt->node->properties;
while (prop != NULL) {
if (prop->ns != NULL) {
if ((xmlStrEqual(name, prop->name)) &&
((namespace == prop->ns) ||
(xmlStrEqual(namespace->href, prop->ns->href)))) {
ctxt->errNo = XML_ERR_ATTRIBUTE_REDEFINED;
if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
ctxt->sax->error(ctxt->userData,
"Attribute %s in %s redefined\n",
name, namespace->href);
ctxt->wellFormed = 0;
if (ctxt->recovery == 0) ctxt->disableSAX = 1;
goto error;
}
}
prop = prop->next;
}
} 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->loadsubset & XML_SKIP_IDS) == 0) &&
(((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);
}
error:
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 fn[50];
xmlChar *fulln;
fulln = xmlBuildQName(attr->name, attr->prefix, fn, 50);
if (fulln == NULL) {
if ((ctxt->sax != NULL) &&
(ctxt->sax->error != NULL))
ctxt->sax->error(ctxt->userData,
"SAX.startElement(): out of memory\n");
ctxt->errNo = XML_ERR_NO_MEMORY;
ctxt->instate = XML_PARSER_EOF;
ctxt->disableSAX = 1;
return;
}
/*
* 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) {
my_attribute(ctxt, fulln, attr->defaultValue,
prefix);
}
if ((fulln != fn) && (fulln != attr->name))
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) {
if (prefix != NULL)
xmlFree(prefix);
ctxt->errNo = XML_ERR_NO_MEMORY;
ctxt->instate = XML_PARSER_EOF;
ctxt->disableSAX = 1;
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");
ctxt->errNo = XML_ERR_NO_MEMORY;
ctxt->instate = XML_PARSER_EOF;
ctxt->disableSAX = 1;
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) {
if (xmlTextConcat(lastChild, ch, len)) {
if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
ctxt->sax->error(ctxt->userData,
"SAX.characters(): out of memory\n");
ctxt->errNo = XML_ERR_NO_MEMORY;
ctxt->instate = XML_PARSER_EOF;
ctxt->disableSAX = 1;
}
if (ctxt->node->children != NULL) {
ctxt->nodelen = xmlStrlen(lastChild->content);
ctxt->nodemem = ctxt->nodelen + 1;
}
} else {
/* Mixed content, first time */
lastChild = xmlNewTextLen(ch, len);
if (lastChild == NULL) {
if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
ctxt->sax->error(ctxt->userData,
"SAX.characters(): out of memory\n");
ctxt->errNo = XML_ERR_NO_MEMORY;
ctxt->instate = XML_PARSER_EOF;
ctxt->disableSAX = 1;
} else {
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 */