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SAX2.c

/*
 * SAX2.c : Default SAX2 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_SAX2 */
/* #define DEBUG_SAX2_TREE */

/**
 * TODO:
 *
 * macro to flag unimplemented blocks
 * XML_CATALOG_PREFER user env to select between system/public prefered
 * option. C.f. Richard Tobin <richard@cogsci.ed.ac.uk>
 *> Just FYI, I am using an environment variable XML_CATALOG_PREFER with
 *> values "system" and "public".  I have made the default be "system" to
 *> match yours.
 */
#define TODO                                                \
    xmlGenericError(xmlGenericErrorContext,                       \
          "Unimplemented block at %s:%d\n",                       \
            __FILE__, __LINE__);

/*
 * xmlSAX2ErrMemory:
 * @ctxt:  an XML validation parser context
 * @msg:   a string to accompany the error message
 */
static void
xmlSAX2ErrMemory(xmlParserCtxtPtr ctxt, const char *msg) {
    if (ctxt != NULL) {
      if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
          ctxt->sax->error(ctxt->userData, "%s: out of memory\n", msg);
      ctxt->errNo = XML_ERR_NO_MEMORY;
      ctxt->instate = XML_PARSER_EOF;
      ctxt->disableSAX = 1;
    }
}

/**
 * xmlValidError:
 * @ctxt:  an XML validation parser context
 * @error:  the error number
 * @msg:  the error message
 * @str1:  extra data
 * @str2:  extra data
 *
 * Handle a validation error
 */
static void
xmlErrValid(xmlParserCtxtPtr ctxt, xmlParserErrors error,
            const char *msg, const char *str1, const char *str2)
{
    xmlStructuredErrorFunc schannel = NULL;

    if ((ctxt != NULL) && (ctxt->disableSAX != 0) &&
        (ctxt->instate == XML_PARSER_EOF))
      return;
    if (ctxt != NULL) {
      ctxt->errNo = error;
      if ((ctxt->sax != NULL) && (ctxt->sax->initialized == XML_SAX2_MAGIC))
          schannel = ctxt->sax->serror;
      __xmlRaiseError(schannel,
                  ctxt->vctxt.error, ctxt->vctxt.userData,
                  ctxt, NULL, XML_FROM_DTD, error,
                  XML_ERR_ERROR, NULL, 0, (const char *) str1,
                  (const char *) str2, NULL, 0, 0,
                  msg, (const char *) str1, (const char *) str2);
      ctxt->valid = 0;
    } else {
      __xmlRaiseError(schannel,
                  NULL, NULL,
                  ctxt, NULL, XML_FROM_DTD, error,
                  XML_ERR_ERROR, NULL, 0, (const char *) str1,
                  (const char *) str2, NULL, 0, 0,
                  msg, (const char *) str1, (const char *) str2);
    }
}

/**
 * xmlFatalErrMsg:
 * @ctxt:  an XML parser context
 * @error:  the error number
 * @msg:  the error message
 * @str1:  an error string
 * @str2:  an error string
 *
 * Handle a fatal parser error, i.e. violating Well-Formedness constraints
 */
static void
xmlFatalErrMsg(xmlParserCtxtPtr ctxt, xmlParserErrors error,
               const char *msg, const xmlChar *str1, const xmlChar *str2)
{
    if ((ctxt != NULL) && (ctxt->disableSAX != 0) &&
        (ctxt->instate == XML_PARSER_EOF))
      return;
    if (ctxt != NULL)
      ctxt->errNo = error;
    __xmlRaiseError(NULL, NULL, NULL, ctxt, NULL, XML_FROM_PARSER, error,
                    XML_ERR_FATAL, NULL, 0, 
                (const char *) str1, (const char *) str2,
                NULL, 0, 0, msg, str1, str2);
    if (ctxt != NULL) {
      ctxt->wellFormed = 0;
      ctxt->valid = 0;
      if (ctxt->recovery == 0)
          ctxt->disableSAX = 1;
    }
}

/**
 * xmlWarnMsg:
 * @ctxt:  an XML parser context
 * @error:  the error number
 * @msg:  the error message
 * @str1:  an error string
 * @str2:  an error string
 *
 * Handle a parser warning
 */
static void
xmlWarnMsg(xmlParserCtxtPtr ctxt, xmlParserErrors error,
               const char *msg, const xmlChar *str1)
{
    if ((ctxt != NULL) && (ctxt->disableSAX != 0) &&
        (ctxt->instate == XML_PARSER_EOF))
      return;
    if (ctxt != NULL)
      ctxt->errNo = error;
    __xmlRaiseError(NULL, NULL, NULL, ctxt, NULL, XML_FROM_PARSER, error,
                    XML_ERR_WARNING, NULL, 0, 
                (const char *) str1, NULL,
                NULL, 0, 0, msg, str1);
}

/**
 * xmlNsErrMsg:
 * @ctxt:  an XML parser context
 * @error:  the error number
 * @msg:  the error message
 * @str1:  an error string
 * @str2:  an error string
 *
 * Handle a namespace error
 */
static void
xmlNsErrMsg(xmlParserCtxtPtr ctxt, xmlParserErrors error,
            const char *msg, const xmlChar *str1, const xmlChar *str2)
{
    if ((ctxt != NULL) && (ctxt->disableSAX != 0) &&
        (ctxt->instate == XML_PARSER_EOF))
      return;
    if (ctxt != NULL)
      ctxt->errNo = error;
    __xmlRaiseError(NULL, NULL, NULL, ctxt, NULL, XML_FROM_NAMESPACE, error,
                    XML_ERR_ERROR, NULL, 0, 
                (const char *) str1, (const char *) str2,
                NULL, 0, 0, msg, str1, str2);
}

/**
 * xmlNsWarnMsg:
 * @ctxt:  an XML parser context
 * @error:  the error number
 * @msg:  the error message
 * @str1:  an error string
 *
 * Handle a namespace warning
 */
static void
xmlNsWarnMsg(xmlParserCtxtPtr ctxt, xmlParserErrors error,
             const char *msg, const xmlChar *str1, const xmlChar *str2)
{
    if ((ctxt != NULL) && (ctxt->disableSAX != 0) &&
        (ctxt->instate == XML_PARSER_EOF))
      return;
    if (ctxt != NULL)
      ctxt->errNo = error;
    __xmlRaiseError(NULL, NULL, NULL, ctxt, NULL, XML_FROM_NAMESPACE, error,
                    XML_ERR_WARNING, NULL, 0, 
                (const char *) str1, (const char *) str2,
                NULL, 0, 0, msg, str1, str2);
}

/**
 * xmlSAX2GetPublicId:
 * @ctx: the user data (XML parser context)
 *
 * Provides the public ID e.g. "-//SGMLSOURCE//DTD DEMO//EN"
 *
 * Returns a xmlChar *
 */
const xmlChar *
xmlSAX2GetPublicId(void *ctx ATTRIBUTE_UNUSED)
{
    /* xmlParserCtxtPtr ctxt = (xmlParserCtxtPtr) ctx; */
    return(NULL);
}

/**
 * xmlSAX2GetSystemId:
 * @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 *
xmlSAX2GetSystemId(void *ctx)
{
    xmlParserCtxtPtr ctxt = (xmlParserCtxtPtr) ctx;
    if ((ctx == NULL) || (ctxt->input == NULL)) return(NULL);
    return((const xmlChar *) ctxt->input->filename); 
}

/**
 * xmlSAX2GetLineNumber:
 * @ctx: the user data (XML parser context)
 *
 * Provide the line number of the current parsing point.
 *
 * Returns an int
 */
int
xmlSAX2GetLineNumber(void *ctx)
{
    xmlParserCtxtPtr ctxt = (xmlParserCtxtPtr) ctx;
    if ((ctx == NULL) || (ctxt->input == NULL)) return(0);
    return(ctxt->input->line);
}

/**
 * xmlSAX2GetColumnNumber:
 * @ctx: the user data (XML parser context)
 *
 * Provide the column number of the current parsing point.
 *
 * Returns an int
 */
int
xmlSAX2GetColumnNumber(void *ctx)
{
    xmlParserCtxtPtr ctxt = (xmlParserCtxtPtr) ctx;
    if ((ctx == NULL) || (ctxt->input == NULL)) return(0);
    return(ctxt->input->col);
}

/**
 * xmlSAX2IsStandalone:
 * @ctx: the user data (XML parser context)
 *
 * Is this document tagged standalone ?
 *
 * Returns 1 if true
 */
int
xmlSAX2IsStandalone(void *ctx)
{
    xmlParserCtxtPtr ctxt = (xmlParserCtxtPtr) ctx;
    if ((ctx == NULL) || (ctxt->myDoc == NULL)) return(0);
    return(ctxt->myDoc->standalone == 1);
}

/**
 * xmlSAX2HasInternalSubset:
 * @ctx: the user data (XML parser context)
 *
 * Does this document has an internal subset
 *
 * Returns 1 if true
 */
int
xmlSAX2HasInternalSubset(void *ctx)
{
    xmlParserCtxtPtr ctxt = (xmlParserCtxtPtr) ctx;
    if ((ctxt == NULL) || (ctxt->myDoc == NULL)) return(0);
    return(ctxt->myDoc->intSubset != NULL);
}

/**
 * xmlSAX2HasExternalSubset:
 * @ctx: the user data (XML parser context)
 *
 * Does this document has an external subset
 *
 * Returns 1 if true
 */
int
xmlSAX2HasExternalSubset(void *ctx)
{
    xmlParserCtxtPtr ctxt = (xmlParserCtxtPtr) ctx;
    if ((ctxt == NULL) || (ctxt->myDoc == NULL)) return(0);
    return(ctxt->myDoc->extSubset != NULL);
}

/**
 * xmlSAX2InternalSubset:
 * @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
xmlSAX2InternalSubset(void *ctx, const xmlChar *name,
             const xmlChar *ExternalID, const xmlChar *SystemID)
{
    xmlParserCtxtPtr ctxt = (xmlParserCtxtPtr) ctx;
    xmlDtdPtr dtd;
    if (ctx == NULL) return;
#ifdef DEBUG_SAX
    xmlGenericError(xmlGenericErrorContext,
          "SAX.xmlSAX2InternalSubset(%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);
    if (ctxt->myDoc->intSubset == NULL)
        xmlSAX2ErrMemory(ctxt, "xmlSAX2InternalSubset");
}

/**
 * xmlSAX2ExternalSubset:
 * @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
xmlSAX2ExternalSubset(void *ctx, const xmlChar *name,
             const xmlChar *ExternalID, const xmlChar *SystemID)
{
    xmlParserCtxtPtr ctxt = (xmlParserCtxtPtr) ctx;
    if (ctx == NULL) return;
#ifdef DEBUG_SAX
    xmlGenericError(xmlGenericErrorContext,
          "SAX.xmlSAX2ExternalSubset(%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) {
          xmlSAX2ErrMemory(ctxt, "xmlSAX2ExternalSubset");
          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; */
    }
}

/**
 * xmlSAX2ResolveEntity:
 * @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 xmlSAX2ResolveEntity() 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
xmlSAX2ResolveEntity(void *ctx, const xmlChar *publicId, const xmlChar *systemId)
{
    xmlParserCtxtPtr ctxt = (xmlParserCtxtPtr) ctx;
    xmlParserInputPtr ret;
    xmlChar *URI;
    const char *base = NULL;

    if (ctx == NULL) return(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.xmlSAX2ResolveEntity(%s, %s)\n", publicId, systemId);
#endif

    ret = xmlLoadExternalEntity((const char *) URI,
                        (const char *) publicId, ctxt);
    if (URI != NULL)
      xmlFree(URI);
    return(ret);
}

/**
 * xmlSAX2GetEntity:
 * @ctx: the user data (XML parser context)
 * @name: The entity name
 *
 * Get an entity by name
 *
 * Returns the xmlEntityPtr if found.
 */
xmlEntityPtr
xmlSAX2GetEntity(void *ctx, const xmlChar *name)
{
    xmlParserCtxtPtr ctxt = (xmlParserCtxtPtr) ctx;
    xmlEntityPtr ret = NULL;

    if (ctx == NULL) return(NULL);
#ifdef DEBUG_SAX
    xmlGenericError(xmlGenericErrorContext,
          "SAX.xmlSAX2GetEntity(%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) {
                xmlFatalErrMsg(ctxt, XML_ERR_NOT_STANDALONE,
       "Entity(%s) document marked standalone but requires external subset\n",
                           name, NULL);
            }
            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 {
          xmlFatalErrMsg(ctxt, XML_ERR_ENTITY_PROCESSING,
                       "Failure to process entity %s\n", name, NULL);
          ctxt->validate = 0;
          return(NULL);
      }
      ret->owner = 1;
      ret->checked = 1;
    }
    return(ret);
}

/**
 * xmlSAX2GetParameterEntity:
 * @ctx: the user data (XML parser context)
 * @name: The entity name
 *
 * Get a parameter entity by name
 *
 * Returns the xmlEntityPtr if found.
 */
xmlEntityPtr
xmlSAX2GetParameterEntity(void *ctx, const xmlChar *name)
{
    xmlParserCtxtPtr ctxt = (xmlParserCtxtPtr) ctx;
    xmlEntityPtr ret;

    if (ctx == NULL) return(NULL);
#ifdef DEBUG_SAX
    xmlGenericError(xmlGenericErrorContext,
          "SAX.xmlSAX2GetParameterEntity(%s)\n", name);
#endif

    ret = xmlGetParameterEntity(ctxt->myDoc, name);
    return(ret);
}


/**
 * xmlSAX2EntityDecl:
 * @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
xmlSAX2EntityDecl(void *ctx, const xmlChar *name, int type,
          const xmlChar *publicId, const xmlChar *systemId, xmlChar *content)
{
    xmlEntityPtr ent;
    xmlParserCtxtPtr ctxt = (xmlParserCtxtPtr) ctx;

    if (ctx == NULL) return;
#ifdef DEBUG_SAX
    xmlGenericError(xmlGenericErrorContext,
          "SAX.xmlSAX2EntityDecl(%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))
          xmlWarnMsg(ctxt, XML_WAR_ENTITY_REDEFINED,
           "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->userData, 
           "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 {
      xmlFatalErrMsg(ctxt, XML_ERR_ENTITY_PROCESSING,
                     "SAX.xmlSAX2EntityDecl(%s) called while not in subset\n",
                   name, NULL);
    }
}

/**
 * xmlSAX2AttributeDecl:
 * @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
xmlSAX2AttributeDecl(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;

    if ((ctxt == NULL) || (ctxt->myDoc == NULL))
        return;

#ifdef DEBUG_SAX
    xmlGenericError(xmlGenericErrorContext,
          "SAX.xmlSAX2AttributeDecl(%s, %s, %d, %d, %s, ...)\n",
            elem, fullname, type, def, defaultValue);
#endif
    if ((xmlStrEqual(fullname, BAD_CAST "xml:id")) &&
        (type != XML_ATTRIBUTE_ID)) {
      /*
       * Raise the error but keep the validity flag
       */
      int tmp = ctxt->valid;
      xmlErrValid(ctxt, XML_DTD_XMLID_TYPE,
            "xml:id : attribute type should be ID\n", NULL, NULL);
      ctxt->valid = tmp;
    }
    /* TODO: optimize name/prefix allocation */
    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 {
        xmlFatalErrMsg(ctxt, XML_ERR_INTERNAL_ERROR,
           "SAX.xmlSAX2AttributeDecl(%s) called while not in subset\n",
                     name, NULL);
      xmlFreeEnumeration(tree);
      return;
    }
#ifdef LIBXML_VALID_ENABLED
    if (ctxt->vctxt.valid == 0)
      ctxt->valid = 0;
    if ((attr != NULL) && (ctxt->validate) && (ctxt->wellFormed) &&
        (ctxt->myDoc->intSubset != NULL))
      ctxt->valid &= xmlValidateAttributeDecl(&ctxt->vctxt, ctxt->myDoc,
                                              attr);
#endif /* LIBXML_VALID_ENABLED */
    if (prefix != NULL)
      xmlFree(prefix);
    if (name != NULL)
      xmlFree(name);
}

/**
 * xmlSAX2ElementDecl:
 * @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
xmlSAX2ElementDecl(void *ctx, const xmlChar * name, int type,
            xmlElementContentPtr content)
{
    xmlParserCtxtPtr ctxt = (xmlParserCtxtPtr) ctx;
    xmlElementPtr elem = NULL;

    if ((ctxt == NULL) || (ctxt->myDoc == NULL))
        return;

#ifdef DEBUG_SAX
    xmlGenericError(xmlGenericErrorContext,
                    "SAX.xmlSAX2ElementDecl(%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 {
        xmlFatalErrMsg(ctxt, XML_ERR_INTERNAL_ERROR,
           "SAX.xmlSAX2ElementDecl(%s) called while not in subset\n",
                     name, NULL);
        return;
    }
#ifdef LIBXML_VALID_ENABLED
    if (elem == NULL)
        ctxt->valid = 0;
    if (ctxt->validate && ctxt->wellFormed &&
        ctxt->myDoc && ctxt->myDoc->intSubset)
        ctxt->valid &=
            xmlValidateElementDecl(&ctxt->vctxt, ctxt->myDoc, elem);
#endif /* LIBXML_VALID_ENABLED */
}

/**
 * xmlSAX2NotationDecl:
 * @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
xmlSAX2NotationDecl(void *ctx, const xmlChar *name,
           const xmlChar *publicId, const xmlChar *systemId)
{
    xmlParserCtxtPtr ctxt = (xmlParserCtxtPtr) ctx;
    xmlNotationPtr nota = NULL;

    if ((ctxt == NULL) || (ctxt->myDoc == NULL))
        return;

#ifdef DEBUG_SAX
    xmlGenericError(xmlGenericErrorContext,
          "SAX.xmlSAX2NotationDecl(%s, %s, %s)\n", name, publicId, systemId);
#endif

    if ((publicId == NULL) && (systemId == NULL)) {
      xmlFatalErrMsg(ctxt, XML_ERR_NOTATION_PROCESSING,
           "SAX.xmlSAX2NotationDecl(%s) externalID or PublicID missing\n",
                     name, NULL);
      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 {
      xmlFatalErrMsg(ctxt, XML_ERR_NOTATION_PROCESSING,
           "SAX.xmlSAX2NotationDecl(%s) called while not in subset\n",
                     name, NULL);
      return;
    }
#ifdef LIBXML_VALID_ENABLED
    if (nota == NULL) ctxt->valid = 0;
    if ((ctxt->validate) && (ctxt->wellFormed) &&
        (ctxt->myDoc->intSubset != NULL))
      ctxt->valid &= xmlValidateNotationDecl(&ctxt->vctxt, ctxt->myDoc,
                                             nota);
#endif /* LIBXML_VALID_ENABLED */
}

/**
 * xmlSAX2UnparsedEntityDecl:
 * @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
xmlSAX2UnparsedEntityDecl(void *ctx, const xmlChar *name,
               const xmlChar *publicId, const xmlChar *systemId,
               const xmlChar *notationName)
{
    xmlEntityPtr ent;
    xmlParserCtxtPtr ctxt = (xmlParserCtxtPtr) ctx;
    if (ctx == NULL) return;
#ifdef DEBUG_SAX
    xmlGenericError(xmlGenericErrorContext,
          "SAX.xmlSAX2UnparsedEntityDecl(%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->userData, 
           "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->userData, 
           "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 {
        xmlFatalErrMsg(ctxt, XML_ERR_INTERNAL_ERROR,
           "SAX.xmlSAX2UnparsedEntityDecl(%s) called while not in subset\n",
                     name, NULL);
    }
}

/**
 * xmlSAX2SetDocumentLocator:
 * @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
xmlSAX2SetDocumentLocator(void *ctx ATTRIBUTE_UNUSED, xmlSAXLocatorPtr loc ATTRIBUTE_UNUSED)
{
    /* xmlParserCtxtPtr ctxt = (xmlParserCtxtPtr) ctx; */
#ifdef DEBUG_SAX
    xmlGenericError(xmlGenericErrorContext,
          "SAX.xmlSAX2SetDocumentLocator()\n");
#endif
}

/**
 * xmlSAX2StartDocument:
 * @ctx: the user data (XML parser context)
 *
 * called when the document start being processed.
 */
void
xmlSAX2StartDocument(void *ctx)
{
    xmlParserCtxtPtr ctxt = (xmlParserCtxtPtr) ctx;
    xmlDocPtr doc;

    if (ctx == NULL) return;

#ifdef DEBUG_SAX
    xmlGenericError(xmlGenericErrorContext,
          "SAX.xmlSAX2StartDocument()\n");
#endif
    if (ctxt->html) {
#ifdef LIBXML_HTML_ENABLED
      if (ctxt->myDoc == NULL)
          ctxt->myDoc = htmlNewDocNoDtD(NULL, NULL);
      if (ctxt->myDoc == NULL) {
          xmlSAX2ErrMemory(ctxt, "xmlSAX2StartDocument");
          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 {
          xmlSAX2ErrMemory(ctxt, "xmlSAX2StartDocument");
          return;
      }
      if ((ctxt->dictNames) && (doc != NULL)) {
          doc->dict = ctxt->dict;
          xmlDictReference(doc->dict);
      }
    }
    if ((ctxt->myDoc != NULL) && (ctxt->myDoc->URL == NULL) &&
      (ctxt->input != NULL) && (ctxt->input->filename != NULL)) {
      ctxt->myDoc->URL = xmlPathToURI((const xmlChar *)ctxt->input->filename);
      if (ctxt->myDoc->URL == NULL)
          xmlSAX2ErrMemory(ctxt, "xmlSAX2StartDocument");
    }
}

/**
 * xmlSAX2EndDocument:
 * @ctx: the user data (XML parser context)
 *
 * called when the document end has been detected.
 */
void
xmlSAX2EndDocument(void *ctx)
{
    xmlParserCtxtPtr ctxt = (xmlParserCtxtPtr) ctx;
#ifdef DEBUG_SAX
    xmlGenericError(xmlGenericErrorContext,
          "SAX.xmlSAX2EndDocument()\n");
#endif
    if (ctx == NULL) return;
#ifdef LIBXML_VALID_ENABLED
    if (ctxt->validate && ctxt->wellFormed &&
        ctxt->myDoc && ctxt->myDoc->intSubset)
      ctxt->valid &= xmlValidateDocumentFinal(&ctxt->vctxt, ctxt->myDoc);
#endif /* LIBXML_VALID_ENABLED */

    /*
     * 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 != NULL) &&
        (ctxt->inputNr > 0) && (ctxt->inputTab[0] != NULL) &&
        (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;
    }
}

#if defined(LIBXML_SAX1_ENABLED) || defined(LIBXML_HTML_ENABLED) || defined(LIBXML_WRITER_ENABLED) || defined(LIBXML_DOCB_ENABLED)
/**
 * xmlSAX2AttributeInternal:
 * @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
xmlSAX2AttributeInternal(void *ctx, const xmlChar *fullname,
             const xmlChar *value, const xmlChar *prefix ATTRIBUTE_UNUSED)
{
    xmlParserCtxtPtr ctxt = (xmlParserCtxtPtr) ctx;
    xmlAttrPtr ret;
    xmlChar *name;
    xmlChar *ns;
    xmlChar *nval;
    xmlNsPtr namespace;

    if (ctxt->html) {
      name = xmlStrdup(fullname);
      ns = NULL;
      namespace = NULL;
    } else {
      /*
       * 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")) {
            xmlNsErrMsg(ctxt, XML_ERR_NS_DECL_ERROR,
                      "invalid namespace declaration '%s'\n",
                      fullname, NULL);
          } else {
            xmlNsWarnMsg(ctxt, XML_WAR_NS_COLUMN,
                       "Avoid attribute ending with ':' like '%s'\n",
                       fullname, NULL);
          }
          if (ns != NULL)
            xmlFree(ns);
          ns = NULL;
          xmlFree(name);
          name = xmlStrdup(fullname);
      }
    }
    if (name == NULL) {
        xmlSAX2ErrMemory(ctxt, "xmlSAX2StartElement");
      if (ns != NULL)
          xmlFree(ns);
      return;
    }

#ifdef LIBXML_VALID_ENABLED
    /*
     * 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;
#else
    nval = NULL;
#endif /* LIBXML_VALID_ENABLED */

    /*
     * 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, 
                   "xmlns: %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);

#ifdef LIBXML_VALID_ENABLED
      /*
       * 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);
#endif /* LIBXML_VALID_ENABLED */
      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) {
              xmlSAX2ErrMemory(ctxt, "xmlSAX2StartElement");
              xmlFree(ns);
            if (name != NULL) 
                xmlFree(name);
            return;
          }
      } else {
          val = (xmlChar *) value;
      }

      if (val[0] == 0) {
          xmlNsErrMsg(ctxt, XML_NS_ERR_EMPTY,
                    "Empty namespace name for prefix %s\n", name, NULL);
      }
      if ((ctxt->pedantic != 0) && (val[0] != 0)) {
          xmlURIPtr uri;

          uri = xmlParseURI((const char *)val);
          if (uri == NULL) {
              xmlNsWarnMsg(ctxt, XML_WAR_NS_URI,
                   "xmlns:%s: %s not a valid URI\n", name, value);
          } else {
            if (uri->scheme == NULL) {
                xmlNsWarnMsg(ctxt, XML_WAR_NS_URI_RELATIVE,
                     "xmlns:%s: URI %s is not absolute\n", name, value);
            }
            xmlFreeURI(uri);
          }
      }

      /* a standard namespace definition */
      nsret = xmlNewNs(ctxt->node, val, name);
      xmlFree(ns);
#ifdef LIBXML_VALID_ENABLED
      /*
       * 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);
#endif /* LIBXML_VALID_ENABLED */
      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);
      if (namespace == NULL) {
          xmlNsErrMsg(ctxt, XML_NS_ERR_UNDEFINED_NAMESPACE,
                "Namespace prefix %s of attribute %s is not defined\n",
                         ns, name);
      }

      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)))) {
                  xmlNsErrMsg(ctxt, XML_ERR_ATTRIBUTE_REDEFINED,
                          "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;
      }
    }

#ifdef LIBXML_VALID_ENABLED
    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 xmlSAX2References 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
#endif /* LIBXML_VALID_ENABLED */
           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 (xmlStrEqual(fullname, BAD_CAST "xml:id")) {
          /*
           * Add the xml:id value
           *
           * Open issue: normalization of the value.
           */
          if (xmlValidateNCName(value, 1) != 0) {
              xmlErrValid(ctxt, XML_DTD_XMLID_VALUE,
                  "xml:id : attribute value %s is not an NCName\n",
                      (const char *) value, NULL);
          }
          xmlAddID(&ctxt->vctxt, ctxt->myDoc, value, ret);
      } else 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);
}

/*
 * 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) {
                    xmlErrValid(ctxt, XML_DTD_STANDALONE_DEFAULTED,
      "standalone: attribute %s on %s defaulted from external subset\n",
                            (const char *)fulln,
                            (const char *)attr->elem);
                }
            }
            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) {
                      xmlSAX2ErrMemory(ctxt, "xmlSAX2StartElement");
                      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) {
                      xmlSAX2AttributeInternal(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;
      }
    }
}

/**
 * xmlSAX2StartElement:
 * @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
xmlSAX2StartElement(void *ctx, const xmlChar *fullname, const xmlChar **atts)
{
    xmlParserCtxtPtr ctxt = (xmlParserCtxtPtr) ctx;
    xmlNodePtr ret;
    xmlNodePtr parent;
    xmlNsPtr ns;
    xmlChar *name;
    xmlChar *prefix;
    const xmlChar *att;
    const xmlChar *value;
    int i;

    if ((ctx == NULL) || (fullname == NULL) || (ctxt->myDoc == NULL)) return;
    parent = ctxt->node;
#ifdef DEBUG_SAX
    xmlGenericError(xmlGenericErrorContext,
          "SAX.xmlSAX2StartElement(%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)))) {
      xmlErrValid(ctxt, XML_ERR_NO_DTD,
        "Validation failed: no DTD found !", NULL, NULL);
      ctxt->validate = 0;
    }
       

    /*
     * 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);
      xmlSAX2ErrMemory(ctxt, "xmlSAX2StartElement");
        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) {
          if (ctxt->input->line < 65535)
            ret->line = (short) ctxt->input->line;
          else
              ret->line = 65535;
      }
    }

    /*
     * 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'))
                xmlSAX2AttributeInternal(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);
      xmlNsWarnMsg(ctxt, XML_NS_ERR_UNDEFINED_NAMESPACE,
                 "Namespace prefix %s is not defined\n",
                 prefix, NULL);
    }

    /*
     * 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) {
            xmlSAX2AttributeInternal(ctxt, att, value, NULL);
            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'))
                xmlSAX2AttributeInternal(ctxt, att, value, NULL);

            /*
             * Next ones
             */
            att = atts[i++];
            value = atts[i++];
          }
      }
    }

#ifdef LIBXML_VALID_ENABLED
    /*
     * If it's the Document root, finish the DTD validation and
     * check the document root element for validity
     */
    if ((ctxt->validate) && (ctxt->vctxt.finishDtd == XML_CTXT_FINISH_DTD_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 = XML_CTXT_FINISH_DTD_1;
    }
#endif /* LIBXML_VALID_ENABLED */

    if (prefix != NULL)
      xmlFree(prefix);

}

/**
 * xmlSAX2EndElement:
 * @ctx: the user data (XML parser context)
 * @name:  The element name
 *
 * called when the end of an element has been detected.
 */
void
xmlSAX2EndElement(void *ctx, const xmlChar *name ATTRIBUTE_UNUSED)
{
    xmlParserCtxtPtr ctxt = (xmlParserCtxtPtr) ctx;
    xmlParserNodeInfo node_info;
    xmlNodePtr cur;

    if (ctx == NULL) return;
    cur = ctxt->node;
#ifdef DEBUG_SAX
    if (name == NULL)
        xmlGenericError(xmlGenericErrorContext, "SAX.xmlSAX2EndElement(NULL)\n");
    else
      xmlGenericError(xmlGenericErrorContext, "SAX.xmlSAX2EndElement(%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;

#ifdef LIBXML_VALID_ENABLED
    if (ctxt->validate && ctxt->wellFormed &&
        ctxt->myDoc && ctxt->myDoc->intSubset)
        ctxt->valid &= xmlValidateOneElement(&ctxt->vctxt, ctxt->myDoc,
                                   cur);
#endif /* LIBXML_VALID_ENABLED */

    
    /*
     * end of parsing of this node.
     */
#ifdef DEBUG_SAX_TREE
    xmlGenericError(xmlGenericErrorContext, "popping(%s)\n", cur->name);
#endif
    nodePop(ctxt);
}
#endif /* LIBXML_SAX1_ENABLED || LIBXML_HTML_ENABLE */

/*
 * xmlSAX2TextNode:
 * @ctxt:  the parser context
 * @str:  the input string
 * @len: the string length
 * 
 * Remove the entities from an attribute value
 *
 * Returns the newly allocated string or NULL if not needed or error
 */
static xmlNodePtr
xmlSAX2TextNode(xmlParserCtxtPtr ctxt, const xmlChar *str, int len) {
    xmlNodePtr ret;
    const xmlChar *intern = NULL;

    /*
     * Allocate
     */
    if (ctxt->freeElems != NULL) {
      ret = ctxt->freeElems;
      ctxt->freeElems = ret->next;
      ctxt->freeElemsNr--;
    } else {
      ret = (xmlNodePtr) xmlMalloc(sizeof(xmlNode));
    }
    if (ret == NULL) {
        xmlErrMemory(ctxt, "xmlSAX2Characters");
      return(NULL);
    }
    memset(ret, 0, sizeof(xmlNode));
    /*
     * intern the formatting blanks found between tags, or the
     * very short strings
     */
    if (ctxt->dictNames) {
        xmlChar cur = str[len];

      if ((len < (int) (2 * sizeof(void *))) &&
          (ctxt->options & XML_PARSE_COMPACT)) {
          /* store the string in the node overrithing properties and nsDef */
          xmlChar *tmp = (xmlChar *) &(ret->properties);
          memcpy(tmp, str, len);
          tmp[len] = 0;
          intern = tmp;
      } else if ((len <= 3) && ((cur == '"') || (cur == '\'') ||
          ((cur == '<') && (str[len + 1] != '!')))) {
          intern = xmlDictLookup(ctxt->dict, str, len);
      } else if (IS_BLANK_CH(*str) && (len < 60) && (cur == '<') &&
                 (str[len + 1] != '!')) {
          int i;

          for (i = 1;i < len;i++) {
            if (!IS_BLANK_CH(str[i])) goto skip;
          }
          intern = xmlDictLookup(ctxt->dict, str, len);
      }
    }
skip:
    ret->type = XML_TEXT_NODE;

    ret->name = xmlStringText;
    if (intern == NULL) {
      ret->content = xmlStrndup(str, len);
      if (ret->content == NULL) {
          xmlSAX2ErrMemory(ctxt, "xmlSAX2TextNode");
          xmlFree(ret);
          return(NULL);
      }
    } else
      ret->content = (xmlChar *) intern;

    if ((__xmlRegisterCallbacks) && (xmlRegisterNodeDefaultValue))
      xmlRegisterNodeDefaultValue(ret);
    return(ret);
}

#ifdef LIBXML_VALID_ENABLED
/*
 * xmlSAX2DecodeAttrEntities:
 * @ctxt:  the parser context
 * @str:  the input string
 * @len: the string length
 * 
 * Remove the entities from an attribute value
 *
 * Returns the newly allocated string or NULL if not needed or error
 */
static xmlChar *
xmlSAX2DecodeAttrEntities(xmlParserCtxtPtr ctxt, const xmlChar *str,
                          const xmlChar *end) {
    const xmlChar *in;
    xmlChar *ret;

    in = str;
    while (in < end)
        if (*in++ == '&')
          goto decode;
    return(NULL);
decode:
    ctxt->depth++;
    ret = xmlStringLenDecodeEntities(ctxt, str, end - str,
                             XML_SUBSTITUTE_REF, 0,0,0);
    ctxt->depth--;
    return(ret);
}
#endif /* LIBXML_VALID_ENABLED */

/**
 * xmlSAX2AttributeNs:
 * @ctx: the user data (XML parser context)
 * @localname:  the local name of the attribute
 * @prefix:  the attribute namespace prefix if available
 * @URI:  the attribute namespace name if available
 * @value:  Start of the attribute value
 * @valueend: end of 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.
 */
static void
xmlSAX2AttributeNs(xmlParserCtxtPtr ctxt,
                   const xmlChar * localname,
                   const xmlChar * prefix,
               const xmlChar * value,
               const xmlChar * valueend)
{
    xmlAttrPtr ret;
    xmlNsPtr namespace = NULL;
    xmlChar *dup = NULL;

    /*
     * Note: if prefix == NULL, the attribute is not in the default namespace
     */
    if (prefix != NULL)
      namespace = xmlSearchNs(ctxt->myDoc, ctxt->node, prefix);

    /*
     * allocate the node
     */
    if (ctxt->freeAttrs != NULL) {
        ret = ctxt->freeAttrs;
      ctxt->freeAttrs = ret->next;
      ctxt->freeAttrsNr--;
      memset(ret, 0, sizeof(xmlAttr));
      ret->type = XML_ATTRIBUTE_NODE;

      ret->parent = ctxt->node; 
      ret->doc = ctxt->myDoc;
      ret->ns = namespace;

      if (ctxt->dictNames)
          ret->name = localname;
      else
          ret->name = xmlStrdup(localname);

        /* link at the end to preserv order, TODO speed up with a last */
      if (ctxt->node->properties == NULL) {
          ctxt->node->properties = ret;
      } else {
          xmlAttrPtr prev = ctxt->node->properties;

          while (prev->next != NULL) prev = prev->next;
          prev->next = ret;
          ret->prev = prev;
      }

      if ((__xmlRegisterCallbacks) && (xmlRegisterNodeDefaultValue))
          xmlRegisterNodeDefaultValue((xmlNodePtr)ret);
    } else {
      if (ctxt->dictNames)
          ret = xmlNewNsPropEatName(ctxt->node, namespace, 
                                    (xmlChar *) localname, NULL);
      else
          ret = xmlNewNsProp(ctxt->node, namespace, localname, NULL);
      if (ret == NULL) {
          xmlErrMemory(ctxt, "xmlSAX2AttributeNs");
          return;
      }
    }

    if ((ctxt->replaceEntities == 0) && (!ctxt->html)) {
      xmlNodePtr tmp;

      /*
       * We know that if there is an entity reference, then
       * the string has been dup'ed and terminates with 0
       * otherwise with ' or "
       */
      if (*valueend != 0) {
          tmp = xmlSAX2TextNode(ctxt, value, valueend - value);
          ret->children = tmp;
          ret->last = tmp;
          if (tmp != NULL) {
            tmp->doc = ret->doc;
            tmp->parent = (xmlNodePtr) ret;
          }
      } else {
          ret->children = xmlStringLenGetNodeList(ctxt->myDoc, value,
                                        valueend - value);
          tmp = ret->children;
          while (tmp != NULL) {
              tmp->doc = ret->doc;
            tmp->parent = (xmlNodePtr) ret;
            if (tmp->next == NULL)
                ret->last = tmp;
            tmp = tmp->next;
          }
      }
    } else if (value != NULL) {
      xmlNodePtr tmp;

      tmp = xmlSAX2TextNode(ctxt, value, valueend - value);
      ret->children = tmp;
      ret->last = tmp;
      if (tmp != NULL) {
          tmp->doc = ret->doc;
          tmp->parent = (xmlNodePtr) ret;
      }
    }

#ifdef LIBXML_VALID_ENABLED
    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) {
          dup = xmlSAX2DecodeAttrEntities(ctxt, value, valueend);
          if (dup == NULL) {
              if (*valueend == 0) {
                ctxt->valid &= xmlValidateOneAttribute(&ctxt->vctxt,
                            ctxt->myDoc, ctxt->node, ret, value);
            } else {
                /*
                 * That should already be normalized.
                 * cheaper to finally allocate here than duplicate
                 * entry points in the full validation code
                 */
                dup = xmlStrndup(value, valueend - value);

                ctxt->valid &= xmlValidateOneAttribute(&ctxt->vctxt,
                            ctxt->myDoc, ctxt->node, ret, dup);
            }
          } else {
              /*
             * dup now contains a string of the flattened attribute
             * content with entities substitued. Check if we need to
             * apply an extra layer of normalization.
             * It need to be done twice ... it's an extra burden related
             * to the ability to keep references in attributes
             */
            if (ctxt->attsSpecial != NULL) {
                xmlChar *nvalnorm;
                xmlChar fn[50];
                xmlChar *fullname;
                
                fullname = xmlBuildQName(localname, prefix, fn, 50);
                if (fullname != NULL) {
                  ctxt->vctxt.valid = 1;
                    nvalnorm = xmlValidCtxtNormalizeAttributeValue(
                                   &ctxt->vctxt, ctxt->myDoc,
                               ctxt->node, fullname, dup);
                  if (ctxt->vctxt.valid != 1)
                      ctxt->valid = 0;

                  if ((fullname != fn) && (fullname != localname))
                      xmlFree(fullname);
                  if (nvalnorm != NULL) {
                      xmlFree(dup);
                      dup = nvalnorm;
                  }
                }
            }

            ctxt->valid &= xmlValidateOneAttribute(&ctxt->vctxt,
                          ctxt->myDoc, ctxt->node, ret, dup);
          }
      } else {
          /*
           * if entities already have been substitued, then
           * the attribute as passed is already normalized
           */
          dup = xmlStrndup(value, valueend - value);

          ctxt->valid &= xmlValidateOneAttribute(&ctxt->vctxt,
                                   ctxt->myDoc, ctxt->node, ret, dup);
      }
    } else
#endif /* LIBXML_VALID_ENABLED */
           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 ((prefix == ctxt->str_xml) &&
                 (localname[0] == 'i') && (localname[1] == 'd') &&
               (localname[2] == 0)) {
          /*
           * Add the xml:id value
           *
           * Open issue: normalization of the value.
           */
          if (dup == NULL)
              dup = xmlStrndup(value, valueend - value);
#ifdef LIBXML_VALID_ENABLED
          if (xmlValidateNCName(dup, 1) != 0) {
              xmlErrValid(ctxt, XML_DTD_XMLID_VALUE,
                  "xml:id : attribute value %s is not an NCName\n",
                      (const char *) dup, NULL);
          }
#endif
          xmlAddID(&ctxt->vctxt, ctxt->myDoc, dup, ret);
      } else if (xmlIsID(ctxt->myDoc, ctxt->node, ret)) {
          /* might be worth duplicate entry points and not copy */
          if (dup == NULL)
              dup = xmlStrndup(value, valueend - value);
          xmlAddID(&ctxt->vctxt, ctxt->myDoc, dup, ret);
      } else if (xmlIsRef(ctxt->myDoc, ctxt->node, ret)) {
          if (dup == NULL)
              dup = xmlStrndup(value, valueend - value);
          xmlAddRef(&ctxt->vctxt, ctxt->myDoc, dup, ret);
      }
    }
    if (dup != NULL)
      xmlFree(dup);
}

/**
 * xmlSAX2StartElementNs:
 * @ctx:  the user data (XML parser context)
 * @localname:  the local name of the element
 * @prefix:  the element namespace prefix if available
 * @URI:  the element namespace name if available
 * @nb_namespaces:  number of namespace definitions on that node
 * @namespaces:  pointer to the array of prefix/URI pairs namespace definitions
 * @nb_attributes:  the number of attributes on that node
 * @nb_defaulted:  the number of defaulted attributes.
 * @attributes:  pointer to the array of (localname/prefix/URI/value/end)
 *               attribute values.
 *
 * SAX2 callback when an element start has been detected by the parser.
 * It provides the namespace informations for the element, as well as
 * the new namespace declarations on the element.
 */
void
xmlSAX2StartElementNs(void *ctx,
                      const xmlChar *localname,
                  const xmlChar *prefix,
                  const xmlChar *URI,
                  int nb_namespaces,
                  const xmlChar **namespaces,
                  int nb_attributes,
                  int nb_defaulted,
                  const xmlChar **attributes)
{
    xmlParserCtxtPtr ctxt = (xmlParserCtxtPtr) ctx;
    xmlNodePtr ret;
    xmlNodePtr parent;
    xmlNsPtr last = NULL, ns;
    const xmlChar *uri, *pref;
    int i, j;

    if (ctx == NULL) return;
    parent = ctxt->node;
    /*
     * 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)))) {
      xmlErrValid(ctxt, XML_ERR_NO_DTD,
        "Validation failed: no DTD found !", NULL, NULL);
      ctxt->validate = 0;
    }

    /*
     * allocate the node
     */
    if (ctxt->freeElems != NULL) {
        ret = ctxt->freeElems;
      ctxt->freeElems = ret->next;
      ctxt->freeElemsNr--;
      memset(ret, 0, sizeof(xmlNode));
      ret->type = XML_ELEMENT_NODE;

      if (ctxt->dictNames)
          ret->name = localname;
      else {
          ret->name = xmlStrdup(localname);
          if (ret->name == NULL) {
              xmlSAX2ErrMemory(ctxt, "xmlSAX2StartElementNs");
            return;
          }
      }
      if ((__xmlRegisterCallbacks) && (xmlRegisterNodeDefaultValue))
          xmlRegisterNodeDefaultValue(ret);
    } else {
      if (ctxt->dictNames)
          ret = xmlNewDocNodeEatName(ctxt->myDoc, NULL, 
                                     (xmlChar *) localname, NULL);
      else
          ret = xmlNewDocNode(ctxt->myDoc, NULL, localname, NULL);
      if (ret == NULL) {
          xmlSAX2ErrMemory(ctxt, "xmlSAX2StartElementNs");
          return;
      }
    }
    if (ctxt->linenumbers) {
      if (ctxt->input != NULL) {
          if (ctxt->input->line < 65535)
            ret->line = (short) ctxt->input->line;
          else
              ret->line = 65535;
      }
    }

    if ((ctxt->myDoc->children == NULL) || (parent == NULL)) {
        xmlAddChild((xmlNodePtr) ctxt->myDoc, (xmlNodePtr) ret);
    }
    /*
     * Build the namespace list
     */
    for (i = 0,j = 0;j < nb_namespaces;j++) {
        pref = namespaces[i++];
      uri = namespaces[i++];
      ns = xmlNewNs(NULL, uri, pref);
      if (ns != NULL) {
          if (last == NULL) {
              ret->nsDef = last = ns;
          } else {
              last->next = ns;
            last = ns;
          }
          if ((URI != NULL) && (prefix == pref))
            ret->ns = ns;
      } else {
          xmlSAX2ErrMemory(ctxt, "xmlSAX2StartElementNs");
          return;
      }
#ifdef LIBXML_VALID_ENABLED
      if ((!ctxt->html) && ctxt->validate && ctxt->wellFormed &&
          ctxt->myDoc && ctxt->myDoc->intSubset) {
          ctxt->valid &= xmlValidateOneNamespace(&ctxt->vctxt, ctxt->myDoc,
                                                 ret, prefix, ns, uri);
      }
#endif /* LIBXML_VALID_ENABLED */
    }
    ctxt->nodemem = -1;

    /*
     * We are parsing a new node.
     */
    nodePush(ctxt, ret);

    /*
     * Link the child element
     */
    if (parent != NULL) {
        if (parent->type == XML_ELEMENT_NODE) {
          xmlAddChild(parent, ret);
      } else {
          xmlAddSibling(parent, ret);
      }
    }

    /*
     * Insert the defaulted attributes from the DTD only if requested:
     */
    if ((nb_defaulted != 0) &&
        ((ctxt->loadsubset & XML_COMPLETE_ATTRS) == 0))
      nb_attributes -= nb_defaulted;

    /*
     * Search the namespace if it wasn't already found
     * Note that, if prefix is NULL, this searches for the default Ns
     */
    if ((URI != NULL) && (ret->ns == NULL)) {
        ret->ns = xmlSearchNs(ctxt->myDoc, parent, prefix);
      if ((ret->ns == NULL) && (xmlStrEqual(prefix, BAD_CAST "xml"))) {
          ret->ns = xmlSearchNs(ctxt->myDoc, ret, prefix);
      }
      if (ret->ns == NULL) {
          ns = xmlNewNs(ret, NULL, prefix);
          if (ns == NULL) {

              xmlSAX2ErrMemory(ctxt, "xmlSAX2StartElementNs");
            return;
          }
          xmlNsWarnMsg(ctxt, XML_NS_ERR_UNDEFINED_NAMESPACE,
                  "Namespace prefix %s was not found\n",
                  prefix, NULL);
      }
    }

    /*
     * process all the other attributes
     */
    if (nb_attributes > 0) {
        for (j = 0,i = 0;i < nb_attributes;i++,j+=5) {
          xmlSAX2AttributeNs(ctxt, attributes[j], attributes[j+1],
                             attributes[j+3], attributes[j+4]);
      }
    }

#ifdef LIBXML_VALID_ENABLED
    /*
     * If it's the Document root, finish the DTD validation and
     * check the document root element for validity
     */
    if ((ctxt->validate) && (ctxt->vctxt.finishDtd == XML_CTXT_FINISH_DTD_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 = XML_CTXT_FINISH_DTD_1;
    }
#endif /* LIBXML_VALID_ENABLED */
}

/**
 * xmlSAX2EndElementNs:
 * @ctx:  the user data (XML parser context)
 * @localname:  the local name of the element
 * @prefix:  the element namespace prefix if available
 * @URI:  the element namespace name if available
 *
 * SAX2 callback when an element end has been detected by the parser.
 * It provides the namespace informations for the element.
 */
void
xmlSAX2EndElementNs(void *ctx,
                    const xmlChar * localname ATTRIBUTE_UNUSED,
                    const xmlChar * prefix ATTRIBUTE_UNUSED,
                const xmlChar * URI ATTRIBUTE_UNUSED)
{
    xmlParserCtxtPtr ctxt = (xmlParserCtxtPtr) ctx;
    xmlParserNodeInfo node_info;
    xmlNodePtr cur;

    if (ctx == NULL) return;
    cur = ctxt->node;
    /* Capture end position and add node */
    if ((ctxt->record_info) && (cur != NULL)) {
        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;

#ifdef LIBXML_VALID_ENABLED
    if (ctxt->validate && ctxt->wellFormed &&
        ctxt->myDoc && ctxt->myDoc->intSubset)
        ctxt->valid &= xmlValidateOneElement(&ctxt->vctxt, ctxt->myDoc, cur);
#endif /* LIBXML_VALID_ENABLED */

    /*
     * end of parsing of this node.
     */
    nodePop(ctxt);
}

/**
 * xmlSAX2Reference:
 * @ctx: the user data (XML parser context)
 * @name:  The entity name
 *
 * called when an entity xmlSAX2Reference is detected. 
 */
void
xmlSAX2Reference(void *ctx, const xmlChar *name)
{
    xmlParserCtxtPtr ctxt = (xmlParserCtxtPtr) ctx;
    xmlNodePtr ret;

    if (ctx == NULL) return;
#ifdef DEBUG_SAX
    xmlGenericError(xmlGenericErrorContext,
          "SAX.xmlSAX2Reference(%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 xmlSAX2Reference %s to %s \n", name, ctxt->node->name);
#endif
    if (xmlAddChild(ctxt->node, ret) == NULL) {
        xmlFreeNode(ret);
    }
}

/**
 * xmlSAX2Characters:
 * @ctx: the user data (XML parser context)
 * @ch:  a xmlChar string
 * @len: the number of xmlChar
 *
 * receiving some chars from the parser.
 */
void
xmlSAX2Characters(void *ctx, const xmlChar *ch, int len)
{
    xmlParserCtxtPtr ctxt = (xmlParserCtxtPtr) ctx;
    xmlNodePtr lastChild;

    if (ctx == NULL) return;
#ifdef DEBUG_SAX
    xmlGenericError(xmlGenericErrorContext,
          "SAX.xmlSAX2Characters(%.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 = ctxt->node->last;
#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) {
        lastChild = xmlSAX2TextNode(ctxt, ch, len);
      if (lastChild != NULL) {
          ctxt->node->children = lastChild;
          ctxt->node->last = lastChild;
          lastChild->parent = ctxt->node;
          lastChild->doc = ctxt->node->doc;
          ctxt->nodelen = len;
          ctxt->nodemem = len + 1;
      } else {
          xmlSAX2ErrMemory(ctxt, "xmlSAX2Characters");
          return;
      }
    } 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 (lastChild->content == (xmlChar *)&(lastChild->properties)) {
            lastChild->content = xmlStrdup(lastChild->content);
            lastChild->properties = NULL;
          } else if ((ctxt->nodemem == ctxt->nodelen + 1) &&
                     (xmlDictOwns(ctxt->dict, lastChild->content))) {
            lastChild->content = xmlStrdup(lastChild->content);
          }
          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) {
                xmlSAX2ErrMemory(ctxt, "xmlSAX2Characters");
                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)) {
            xmlSAX2ErrMemory(ctxt, "xmlSAX2Characters");
          }
          if (ctxt->node->children != NULL) {
            ctxt->nodelen = xmlStrlen(lastChild->content);
            ctxt->nodemem = ctxt->nodelen + 1;
          }
      } else {
          /* Mixed content, first time */
          lastChild = xmlSAX2TextNode(ctxt, ch, len);
          if (lastChild != NULL) {
            xmlAddChild(ctxt->node, lastChild);
            if (ctxt->node->children != NULL) {
                ctxt->nodelen = len;
                ctxt->nodemem = len + 1;
            }
          }
      }
    }
}

/**
 * xmlSAX2IgnorableWhitespace:
 * @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 xmlSAX2Characters
 */
void
xmlSAX2IgnorableWhitespace(void *ctx ATTRIBUTE_UNUSED, const xmlChar *ch ATTRIBUTE_UNUSED, int len ATTRIBUTE_UNUSED)
{
    /* xmlParserCtxtPtr ctxt = (xmlParserCtxtPtr) ctx; */
#ifdef DEBUG_SAX
    xmlGenericError(xmlGenericErrorContext,
          "SAX.xmlSAX2IgnorableWhitespace(%.30s, %d)\n", ch, len);
#endif
}

/**
 * xmlSAX2ProcessingInstruction:
 * @ctx: the user data (XML parser context)
 * @target:  the target name
 * @data: the PI data's
 *
 * A processing instruction has been parsed.
 */
void
xmlSAX2ProcessingInstruction(void *ctx, const xmlChar *target,
                      const xmlChar *data)
{
    xmlParserCtxtPtr ctxt = (xmlParserCtxtPtr) ctx;
    xmlNodePtr ret;
    xmlNodePtr parent;

    if (ctx == NULL) return;
    parent = ctxt->node;
#ifdef DEBUG_SAX
    xmlGenericError(xmlGenericErrorContext,
          "SAX.xmlSAX2ProcessingInstruction(%s, %s)\n", target, data);
#endif

    ret = xmlNewDocPI(ctxt->myDoc, target, data);
    if (ret == NULL) return;
    parent = ctxt->node;

    if (ctxt->linenumbers) {
      if (ctxt->input != NULL) {
          if (ctxt->input->line < 65535)
            ret->line = (short) ctxt->input->line;
          else
              ret->line = 65535;
      }
    }
    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);
    }
}

/**
 * xmlSAX2Comment:
 * @ctx: the user data (XML parser context)
 * @value:  the xmlSAX2Comment content
 *
 * A xmlSAX2Comment has been parsed.
 */
void
xmlSAX2Comment(void *ctx, const xmlChar *value)
{
    xmlParserCtxtPtr ctxt = (xmlParserCtxtPtr) ctx;
    xmlNodePtr ret;
    xmlNodePtr parent;

    if (ctx == NULL) return;
    parent = ctxt->node;
#ifdef DEBUG_SAX
    xmlGenericError(xmlGenericErrorContext, "SAX.xmlSAX2Comment(%s)\n", value);
#endif
    ret = xmlNewDocComment(ctxt->myDoc, value);
    if (ret == NULL) return;
    if (ctxt->linenumbers) {
      if (ctxt->input != NULL) {
          if (ctxt->input->line < 65535)
            ret->line = (short) ctxt->input->line;
          else
              ret->line = 65535;
      }
    }

    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 xmlSAX2Comment as root\n");
#endif
        xmlAddChild((xmlNodePtr) ctxt->myDoc, (xmlNodePtr) ret);
      return;
    }
    if (parent->type == XML_ELEMENT_NODE) {
#ifdef DEBUG_SAX_TREE
      xmlGenericError(xmlGenericErrorContext,
            "adding xmlSAX2Comment child to %s\n", parent->name);
#endif
      xmlAddChild(parent, ret);
    } else {
#ifdef DEBUG_SAX_TREE
      xmlGenericError(xmlGenericErrorContext,
            "adding xmlSAX2Comment sibling to ");
      xmlDebugDumpOneNode(stderr, parent, 0);
#endif
      xmlAddSibling(parent, ret);
    }
}

/**
 * xmlSAX2CDataBlock:
 * @ctx: the user data (XML parser context)
 * @value:  The pcdata content
 * @len:  the block length
 *
 * called when a pcdata block has been parsed
 */
void
xmlSAX2CDataBlock(void *ctx, const xmlChar *value, int len)
{
    xmlParserCtxtPtr ctxt = (xmlParserCtxtPtr) ctx;
    xmlNodePtr ret, lastChild;

    if (ctx == NULL) return;
#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);
    }
}

static int xmlSAX2DefaultVersionValue = 2;

#ifdef LIBXML_SAX1_ENABLED
/**
 * xmlSAXDefaultVersion:
 * @version:  the version, 1 or 2
 *
 * Set the default version of SAX used globally by the library.
 * By default, during initialization the default is set to 2.
 * Note that it is generally a better coding style to use
 * xmlSAXVersion() to set up the version explicitly for a given
 * parsing context.
 *
 * Returns the previous value in case of success and -1 in case of error.
 */
int
xmlSAXDefaultVersion(int version)
{
    int ret = xmlSAX2DefaultVersionValue;

    if ((version != 1) && (version != 2))
        return(-1);
    xmlSAX2DefaultVersionValue = version;
    return(ret);
}
#endif /* LIBXML_SAX1_ENABLED */

/**
 * xmlSAXVersion:
 * @hdlr:  the SAX handler
 * @version:  the version, 1 or 2
 *
 * Initialize the default XML SAX handler according to the version
 *
 * Returns 0 in case of success and -1 in case of error.
 */
int
xmlSAXVersion(xmlSAXHandler *hdlr, int version)
{
    if (hdlr == NULL) return(-1);
    if (version == 2) {
      hdlr->startElement = NULL;
      hdlr->endElement = NULL;
      hdlr->startElementNs = xmlSAX2StartElementNs;
      hdlr->endElementNs = xmlSAX2EndElementNs;
      hdlr->serror = NULL;
      hdlr->initialized = XML_SAX2_MAGIC;
#ifdef LIBXML_SAX1_ENABLED
    } else if (version == 1) {
      hdlr->startElement = xmlSAX2StartElement;
      hdlr->endElement = xmlSAX2EndElement;
      hdlr->initialized = 1;
#endif /* LIBXML_SAX1_ENABLED */
    } else
        return(-1);
    hdlr->internalSubset = xmlSAX2InternalSubset;
    hdlr->externalSubset = xmlSAX2ExternalSubset;
    hdlr->isStandalone = xmlSAX2IsStandalone;
    hdlr->hasInternalSubset = xmlSAX2HasInternalSubset;
    hdlr->hasExternalSubset = xmlSAX2HasExternalSubset;
    hdlr->resolveEntity = xmlSAX2ResolveEntity;
    hdlr->getEntity = xmlSAX2GetEntity;
    hdlr->getParameterEntity = xmlSAX2GetParameterEntity;
    hdlr->entityDecl = xmlSAX2EntityDecl;
    hdlr->attributeDecl = xmlSAX2AttributeDecl;
    hdlr->elementDecl = xmlSAX2ElementDecl;
    hdlr->notationDecl = xmlSAX2NotationDecl;
    hdlr->unparsedEntityDecl = xmlSAX2UnparsedEntityDecl;
    hdlr->setDocumentLocator = xmlSAX2SetDocumentLocator;
    hdlr->startDocument = xmlSAX2StartDocument;
    hdlr->endDocument = xmlSAX2EndDocument;
    hdlr->reference = xmlSAX2Reference;
    hdlr->characters = xmlSAX2Characters;
    hdlr->cdataBlock = xmlSAX2CDataBlock;
    hdlr->ignorableWhitespace = xmlSAX2Characters;
    hdlr->processingInstruction = xmlSAX2ProcessingInstruction;
    hdlr->comment = xmlSAX2Comment;
    hdlr->warning = xmlParserWarning;
    hdlr->error = xmlParserError;
    hdlr->fatalError = xmlParserError;

    return(0);
}

/**
 * xmlSAX2InitDefaultSAXHandler:
 * @hdlr:  the SAX handler
 * @warning:  flag if non-zero sets the handler warning procedure
 *
 * Initialize the default XML SAX2 handler
 */
void
xmlSAX2InitDefaultSAXHandler(xmlSAXHandler *hdlr, int warning)
{
    if ((hdlr == NULL) || (hdlr->initialized != 0))
      return;

    xmlSAXVersion(hdlr, xmlSAX2DefaultVersionValue);
    if (warning == 0)
      hdlr->warning = NULL;
    else
      hdlr->warning = xmlParserWarning;
}

/**
 * xmlDefaultSAXHandlerInit:
 *
 * Initialize the default SAX2 handler
 */
void
xmlDefaultSAXHandlerInit(void)
{
#ifdef LIBXML_SAX1_ENABLED
    xmlSAXVersion((xmlSAXHandlerPtr) &xmlDefaultSAXHandler, 1);
#endif /* LIBXML_SAX1_ENABLED */
}

#ifdef LIBXML_HTML_ENABLED

/**
 * xmlSAX2InitHtmlDefaultSAXHandler:
 * @hdlr:  the SAX handler
 *
 * Initialize the default HTML SAX2 handler
 */
void
xmlSAX2InitHtmlDefaultSAXHandler(xmlSAXHandler *hdlr)
{
    if ((hdlr == NULL) || (hdlr->initialized != 0))
      return;

    hdlr->internalSubset = xmlSAX2InternalSubset;
    hdlr->externalSubset = NULL;
    hdlr->isStandalone = NULL;
    hdlr->hasInternalSubset = NULL;
    hdlr->hasExternalSubset = NULL;
    hdlr->resolveEntity = NULL;
    hdlr->getEntity = xmlSAX2GetEntity;
    hdlr->getParameterEntity = NULL;
    hdlr->entityDecl = NULL;
    hdlr->attributeDecl = NULL;
    hdlr->elementDecl = NULL;
    hdlr->notationDecl = NULL;
    hdlr->unparsedEntityDecl = NULL;
    hdlr->setDocumentLocator = xmlSAX2SetDocumentLocator;
    hdlr->startDocument = xmlSAX2StartDocument;
    hdlr->endDocument = xmlSAX2EndDocument;
    hdlr->startElement = xmlSAX2StartElement;
    hdlr->endElement = xmlSAX2EndElement;
    hdlr->reference = NULL;
    hdlr->characters = xmlSAX2Characters;
    hdlr->cdataBlock = xmlSAX2CDataBlock;
    hdlr->ignorableWhitespace = xmlSAX2IgnorableWhitespace;
    hdlr->processingInstruction = xmlSAX2ProcessingInstruction;
    hdlr->comment = xmlSAX2Comment;
    hdlr->warning = xmlParserWarning;
    hdlr->error = xmlParserError;
    hdlr->fatalError = xmlParserError;

    hdlr->initialized = 1;
}

/**
 * htmlDefaultSAXHandlerInit:
 *
 * Initialize the default SAX handler
 */
void
htmlDefaultSAXHandlerInit(void)
{
    xmlSAX2InitHtmlDefaultSAXHandler((xmlSAXHandlerPtr) &htmlDefaultSAXHandler);
}

#endif /* LIBXML_HTML_ENABLED */

#ifdef LIBXML_DOCB_ENABLED

/**
 * xmlSAX2InitDocbDefaultSAXHandler:
 * @hdlr:  the SAX handler
 *
 * Initialize the default DocBook SAX2 handler
 */
void
xmlSAX2InitDocbDefaultSAXHandler(xmlSAXHandler *hdlr)
{
    if ((hdlr == NULL) || (hdlr->initialized != 0))
      return;

    hdlr->internalSubset = xmlSAX2InternalSubset;
    hdlr->externalSubset = NULL;
    hdlr->isStandalone = xmlSAX2IsStandalone;
    hdlr->hasInternalSubset = xmlSAX2HasInternalSubset;
    hdlr->hasExternalSubset = xmlSAX2HasExternalSubset;
    hdlr->resolveEntity = xmlSAX2ResolveEntity;
    hdlr->getEntity = xmlSAX2GetEntity;
    hdlr->getParameterEntity = NULL;
    hdlr->entityDecl = xmlSAX2EntityDecl;
    hdlr->attributeDecl = NULL;
    hdlr->elementDecl = NULL;
    hdlr->notationDecl = NULL;
    hdlr->unparsedEntityDecl = NULL;
    hdlr->setDocumentLocator = xmlSAX2SetDocumentLocator;
    hdlr->startDocument = xmlSAX2StartDocument;
    hdlr->endDocument = xmlSAX2EndDocument;
    hdlr->startElement = xmlSAX2StartElement;
    hdlr->endElement = xmlSAX2EndElement;
    hdlr->reference = xmlSAX2Reference;
    hdlr->characters = xmlSAX2Characters;
    hdlr->cdataBlock = NULL;
    hdlr->ignorableWhitespace = xmlSAX2IgnorableWhitespace;
    hdlr->processingInstruction = NULL;
    hdlr->comment = xmlSAX2Comment;
    hdlr->warning = xmlParserWarning;
    hdlr->error = xmlParserError;
    hdlr->fatalError = xmlParserError;

    hdlr->initialized = 1;
}

/**
 * docbDefaultSAXHandlerInit:
 *
 * Initialize the default SAX handler
 */
void
docbDefaultSAXHandlerInit(void)
{
    xmlSAX2InitDocbDefaultSAXHandler((xmlSAXHandlerPtr) &docbDefaultSAXHandler);
}

#endif /* LIBXML_DOCB_ENABLED */
#define bottom_SAX2
#include "elfgcchack.h"

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