xmlparse.cpp

C++ class libraries for network-centric, portable applications, integrated perfectly with the C++ St

    return XML_FALSE;
  /* move tagStack to freeTagList */
  tStk = tagStack;
  while (tStk) {
    TAG *tag = tStk;
    tStk = tStk->parent;
    tag->parent = freeTagList;
    moveToFreeBindingList(parser, tag->bindings);
    tag->bindings = NULL;
    freeTagList = tag;
  }
  /* move openInternalEntities to freeInternalEntities */
  openEntityList = openInternalEntities;
  while (openEntityList) {
    OPEN_INTERNAL_ENTITY *openEntity = openEntityList;
    openEntityList = openEntity->next;
    openEntity->next = freeInternalEntities;
    freeInternalEntities = openEntity;
  }
  moveToFreeBindingList(parser, inheritedBindings);
  FREE(unknownEncodingMem);
  if (unknownEncodingRelease)
    unknownEncodingRelease(unknownEncodingData);
  poolClear(&tempPool);
  poolClear(&temp2Pool);
  parserInit(parser, encodingName);
  dtdReset(_dtd, &parser->m_mem);
  return setContext(parser, implicitContext);
}

enum XML_Status XMLCALL
XML_SetEncoding(XML_Parser parser, const XML_Char *encodingName)
{
  /* Block after XML_Parse()/XML_ParseBuffer() has been called.
     XXX There's no way for the caller to determine which of the
     XXX possible error cases caused the XML_STATUS_ERROR return.
  */
  if (ps_parsing == XML_PARSING || ps_parsing == XML_SUSPENDED)
    return XML_STATUS_ERROR;
  if (encodingName == NULL)
    protocolEncodingName = NULL;
  else {
    protocolEncodingName = poolCopyString(&tempPool, encodingName);
    if (!protocolEncodingName)
      return XML_STATUS_ERROR;
  }
  return XML_STATUS_OK;
}

XML_Parser XMLCALL
XML_ExternalEntityParserCreate(XML_Parser oldParser,
                               const XML_Char *context,
                               const XML_Char *encodingName)
{
  XML_Parser parser = oldParser;
  DTD *newDtd = NULL;
  DTD *oldDtd = _dtd;
  XML_StartElementHandler oldStartElementHandler = startElementHandler;
  XML_EndElementHandler oldEndElementHandler = endElementHandler;
  XML_CharacterDataHandler oldCharacterDataHandler = characterDataHandler;
  XML_ProcessingInstructionHandler oldProcessingInstructionHandler
      = processingInstructionHandler;
  XML_CommentHandler oldCommentHandler = commentHandler;
  XML_StartCdataSectionHandler oldStartCdataSectionHandler
      = startCdataSectionHandler;
  XML_EndCdataSectionHandler oldEndCdataSectionHandler
      = endCdataSectionHandler;
  XML_DefaultHandler oldDefaultHandler = defaultHandler;
  XML_UnparsedEntityDeclHandler oldUnparsedEntityDeclHandler
      = unparsedEntityDeclHandler;
  XML_NotationDeclHandler oldNotationDeclHandler = notationDeclHandler;
  XML_StartNamespaceDeclHandler oldStartNamespaceDeclHandler
      = startNamespaceDeclHandler;
  XML_EndNamespaceDeclHandler oldEndNamespaceDeclHandler
      = endNamespaceDeclHandler;
  XML_NotStandaloneHandler oldNotStandaloneHandler = notStandaloneHandler;
  XML_ExternalEntityRefHandler oldExternalEntityRefHandler
      = externalEntityRefHandler;
  XML_SkippedEntityHandler oldSkippedEntityHandler = skippedEntityHandler;
  XML_UnknownEncodingHandler oldUnknownEncodingHandler
      = unknownEncodingHandler;
  XML_ElementDeclHandler oldElementDeclHandler = elementDeclHandler;
  XML_AttlistDeclHandler oldAttlistDeclHandler = attlistDeclHandler;
  XML_EntityDeclHandler oldEntityDeclHandler = entityDeclHandler;
  XML_XmlDeclHandler oldXmlDeclHandler = xmlDeclHandler;
  ELEMENT_TYPE * oldDeclElementType = declElementType;

  void *oldUserData = userData;
  void *oldHandlerArg = handlerArg;
  XML_Bool oldDefaultExpandInternalEntities = defaultExpandInternalEntities;
  XML_Parser oldExternalEntityRefHandlerArg = externalEntityRefHandlerArg;
#ifdef XML_DTD
  enum XML_ParamEntityParsing oldParamEntityParsing = paramEntityParsing;
  int oldInEntityValue = prologState.inEntityValue;
#endif
  XML_Bool oldns_triplets = ns_triplets;

#ifdef XML_DTD
  if (!context)
    newDtd = oldDtd;
#endif /* XML_DTD */

  /* Note that the magical uses of the pre-processor to make field
     access look more like C++ require that `parser' be overwritten
     here.  This makes this function more painful to follow than it
     would be otherwise.
  */
  if (ns) {
    XML_Char tmp[2];
    *tmp = namespaceSeparator;
    parser = parserCreate(encodingName, &parser->m_mem, tmp, newDtd);
  }
  else {
    parser = parserCreate(encodingName, &parser->m_mem, NULL, newDtd);
  }

  if (!parser)
    return NULL;

  startElementHandler = oldStartElementHandler;
  endElementHandler = oldEndElementHandler;
  characterDataHandler = oldCharacterDataHandler;
  processingInstructionHandler = oldProcessingInstructionHandler;
  commentHandler = oldCommentHandler;
  startCdataSectionHandler = oldStartCdataSectionHandler;
  endCdataSectionHandler = oldEndCdataSectionHandler;
  defaultHandler = oldDefaultHandler;
  unparsedEntityDeclHandler = oldUnparsedEntityDeclHandler;
  notationDeclHandler = oldNotationDeclHandler;
  startNamespaceDeclHandler = oldStartNamespaceDeclHandler;
  endNamespaceDeclHandler = oldEndNamespaceDeclHandler;
  notStandaloneHandler = oldNotStandaloneHandler;
  externalEntityRefHandler = oldExternalEntityRefHandler;
  skippedEntityHandler = oldSkippedEntityHandler;
  unknownEncodingHandler = oldUnknownEncodingHandler;
  elementDeclHandler = oldElementDeclHandler;
  attlistDeclHandler = oldAttlistDeclHandler;
  entityDeclHandler = oldEntityDeclHandler;
  xmlDeclHandler = oldXmlDeclHandler;
  declElementType = oldDeclElementType;
  userData = oldUserData;
  if (oldUserData == oldHandlerArg)
    handlerArg = userData;
  else
    handlerArg = parser;
  if (oldExternalEntityRefHandlerArg != oldParser)
    externalEntityRefHandlerArg = oldExternalEntityRefHandlerArg;
  defaultExpandInternalEntities = oldDefaultExpandInternalEntities;
  ns_triplets = oldns_triplets;
  parentParser = oldParser;
#ifdef XML_DTD
  paramEntityParsing = oldParamEntityParsing;
  prologState.inEntityValue = oldInEntityValue;
  if (context) {
#endif /* XML_DTD */
    if (!dtdCopy(_dtd, oldDtd, &parser->m_mem)
      || !setContext(parser, context)) {
      XML_ParserFree(parser);
      return NULL;
    }
    processor = externalEntityInitProcessor;
#ifdef XML_DTD
  }
  else {
    /* The DTD instance referenced by _dtd is shared between the document's
       root parser and external PE parsers, therefore one does not need to
       call setContext. In addition, one also *must* not call setContext,
       because this would overwrite existing prefix->binding pointers in
       _dtd with ones that get destroyed with the external PE parser.
       This would leave those prefixes with dangling pointers.
    */
    isParamEntity = XML_TRUE;
    XmlPrologStateInitExternalEntity(&prologState);
    processor = externalParEntInitProcessor;
  }
#endif /* XML_DTD */
  return parser;
}

static void FASTCALL
destroyBindings(BINDING *bindings, XML_Parser parser)
{
  for (;;) {
    BINDING *b = bindings;
    if (!b)
      break;
    bindings = b->nextTagBinding;
    FREE(b->uri);
    FREE(b);
  }
}

void XMLCALL
XML_ParserFree(XML_Parser parser)
{
  TAG *tagList;
  OPEN_INTERNAL_ENTITY *entityList;
  if (parser == NULL)
    return;
  /* free tagStack and freeTagList */
  tagList = tagStack;
  for (;;) {
    TAG *p;
    if (tagList == NULL) {
      if (freeTagList == NULL)
        break;
      tagList = freeTagList;
      freeTagList = NULL;
    }
    p = tagList;
    tagList = tagList->parent;
    FREE(p->buf);
    destroyBindings(p->bindings, parser);
    FREE(p);
  }
  /* free openInternalEntities and freeInternalEntities */
  entityList = openInternalEntities;
  for (;;) {
    OPEN_INTERNAL_ENTITY *openEntity;
    if (entityList == NULL) {
      if (freeInternalEntities == NULL)
        break;
      entityList = freeInternalEntities;
      freeInternalEntities = NULL;
    }
    openEntity = entityList;
    entityList = entityList->next;
    FREE(openEntity);
  }

  destroyBindings(freeBindingList, parser);
  destroyBindings(inheritedBindings, parser);
  poolDestroy(&tempPool);
  poolDestroy(&temp2Pool);
#ifdef XML_DTD
  /* external parameter entity parsers share the DTD structure
     parser->m_dtd with the root parser, so we must not destroy it
  */
  if (!isParamEntity && _dtd)
#else
  if (_dtd)
#endif /* XML_DTD */
    dtdDestroy(_dtd, (XML_Bool)!parentParser, &parser->m_mem);
  FREE((void *)atts);
  FREE(groupConnector);
  FREE(buffer);
  FREE(dataBuf);
  FREE(nsAtts);
  FREE(unknownEncodingMem);
  if (unknownEncodingRelease)
    unknownEncodingRelease(unknownEncodingData);
  FREE(parser);
}

void XMLCALL
XML_UseParserAsHandlerArg(XML_Parser parser)
{
  handlerArg = parser;
}

enum XML_Error XMLCALL
XML_UseForeignDTD(XML_Parser parser, XML_Bool useDTD)
{
#ifdef XML_DTD
  /* block after XML_Parse()/XML_ParseBuffer() has been called */
  if (ps_parsing == XML_PARSING || ps_parsing == XML_SUSPENDED)
    return XML_ERROR_CANT_CHANGE_FEATURE_ONCE_PARSING;
  useForeignDTD = useDTD;
  return XML_ERROR_NONE;
#else
  return XML_ERROR_FEATURE_REQUIRES_XML_DTD;
#endif
}

void XMLCALL
XML_SetReturnNSTriplet(XML_Parser parser, int do_nst)
{
  /* block after XML_Parse()/XML_ParseBuffer() has been called */
  if (ps_parsing == XML_PARSING || ps_parsing == XML_SUSPENDED)
    return;
  ns_triplets = do_nst ? XML_TRUE : XML_FALSE;
}

void XMLCALL
XML_SetUserData(XML_Parser parser, void *p)
{
  if (handlerArg == userData)
    handlerArg = userData = p;
  else
    userData = p;
}

enum XML_Status XMLCALL
XML_SetBase(XML_Parser parser, const XML_Char *p)
{
  if (p) {
    p = poolCopyString(&_dtd->pool, p);
    if (!p)
      return XML_STATUS_ERROR;
    curBase = p;
  }
  else
    curBase = NULL;
  return XML_STATUS_OK;
}

const XML_Char * XMLCALL
XML_GetBase(XML_Parser parser)
{
  return curBase;
}

int XMLCALL
XML_GetSpecifiedAttributeCount(XML_Parser parser)
{
  return nSpecifiedAtts;
}

int XMLCALL
XML_GetIdAttributeIndex(XML_Parser parser)
{
  return idAttIndex;
}

void XMLCALL
XML_SetElementHandler(XML_Parser parser,
                      XML_StartElementHandler start,
                      XML_EndElementHandler end)
{
  startElementHandler = start;
  endElementHandler = end;
}

void XMLCALL
XML_SetStartElementHandler(XML_Parser parser,
                           XML_StartElementHandler start) {
  startElementHandler = start;
}

void XMLCALL
XML_SetEndElementHandler(XML_Parser parser,
                         XML_EndElementHandler end) {
  endElementHandler = end;
}

void XMLCALL
XML_SetCharacterDataHandler(XML_Parser parser,
                            XML_CharacterDataHandler handler)
{
  characterDataHandler = handler;
}

void XMLCALL
XML_SetProcessingInstructionHandler(XML_Parser parser,
                                    XML_ProcessingInstructionHandler handler)
{
  processingInstructionHandler = handler;
}

void XMLCALL
XML_SetCommentHandler(XML_Parser parser,
                      XML_CommentHandler handler)
{
  commentHandler = handler;
}

void XMLCALL
XML_SetCdataSectionHandler(XML_Parser parser,
                           XML_StartCdataSectionHandler start,
                           XML_EndCdataSectionHandler end)
{
  startCdataSectionHandler = start;
  endCdataSectionHandler = end;
}

void XMLCALL
XML_SetStartCdataSectionHandler(XML_Parser parser,
                                XML_StartCdataSectionHandler start) {
  startCdataSectionHandler = start;
}

void XMLCALL
XML_SetEndCdataSectionHandler(XML_Parser parser,
                              XML_EndCdataSectionHandler end) {
  endCdataSectionHandler = end;
}

void XMLCALL
XML_SetDefaultHandler(XML_Parser parser,
                      XML_DefaultHandler handler)
{
  defaultHandler = handler;
  defaultExpandInternalEntities = XML_FALSE;
}

void XMLCALL
XML_SetDefaultHandlerExpand(XML_Parser parser,
                            XML_DefaultHandler handler)
{
  defaultHandler = handler;
  defaultExpandInternalEntities = XML_TRUE;
}

void XMLCALL
XML_SetDoctypeDeclHandler(XML_Parser parser,
                          XML_StartDoctypeDeclHandler start,
                          XML_EndDoctypeDeclHandler end)
{
  startDoctypeDeclHandler = start;
  endDoctypeDeclHandler = end;
}

void XMLCALL
XML_SetStartDoctypeDeclHandler(XML_Parser parser,
                               XML_StartDoctypeDeclHandler start) {
  startDoctypeDeclHandler = start;
}

void XMLCALL
XML_SetEndDoctypeDeclHandler(XML_Parser parser,
                             XML_EndDoctypeDeclHandler end) {
  endDoctypeDeclHandler = end;
}

void XMLCALL
XML_SetUnparsedEntityDeclHandler(XML_Parser parser,
                                 XML_UnparsedEntityDeclHandler handler)
{
  unparsedEntityDeclHandler = handler;
}

void XMLCALL
XML_SetNotationDeclHandler(XML_Parser parser,
                           XML_NotationDeclHandler handler)
{
  notationDeclHandler = handler;
}

void XMLCALL
XML_SetNamespaceDeclHandler(XML_Parser parser,
                            XML_StartNamespaceDeclHandler start,