xmlparse.c

用C语言设计的EPSON LCD控制器S1D13700驱动。

  int oldDefaultExpandInternalEntities = defaultExpandInternalEntities;
  void *oldExternalEntityRefHandlerArg = externalEntityRefHandlerArg;
#ifdef XML_DTD
  int oldParamEntityParsing = paramEntityParsing;
  int oldInEntityValue = prologState.inEntityValue;   
#endif
  int oldns_triplets = ns_triplets;

  if (ns) {
    XML_Char tmp[2];

    *tmp = namespaceSeparator;
    parser = XML_ParserCreate_MM(encodingName, &((Parser *)parser)->m_mem,
				 tmp);
  }
  else {
    parser = XML_ParserCreate_MM(encodingName, &((Parser *)parser)->m_mem,
				 NULL);
  }

  if (!parser)
    return 0;

  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;
  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;
#ifdef XML_DTD
  paramEntityParsing = oldParamEntityParsing;
  prologState.inEntityValue = oldInEntityValue;  
  parentParser = oldParser;   
  if (context) {
#endif /* XML_DTD */
    if (!dtdCopy(&dtd, oldDtd, parser) || !setContext(parser, context)) {
      XML_ParserFree(parser);
      return 0;
    }
    processor = externalEntityInitProcessor;
#ifdef XML_DTD
  }
  else {
    dtdSwap(&dtd, oldDtd);
    isParamEntity = 1;       
    hadExternalDoctype = 1;
    XmlPrologStateInitExternalEntity(&prologState);
    processor = externalParEntInitProcessor;
  }
#endif /* XML_DTD */
  return parser;
}

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

void XML_ParserFree(XML_Parser parser)
{
  for (;;) {
    TAG *p;
    if (tagStack == 0) {
      if (freeTagList == NULL)
	break;
      tagStack = freeTagList;
      freeTagList = NULL;
    }
    p = tagStack;
    tagStack = tagStack->parent;
    FREE(p->buf);
    destroyBindings(p->bindings, parser);
    FREE(p);
  }
  destroyBindings(freeBindingList, parser);
  destroyBindings(inheritedBindings, parser);
  poolDestroy(&tempPool);
  poolDestroy(&temp2Pool);
#ifdef XML_DTD
  if (isParamEntity) {  
    dtdSwap(&dtd, &((Parser *)parentParser)->m_dtd);
  }
#endif /* XML_DTD */
  dtdDestroy(&dtd, parser);
  FREE((void *)atts);
  if (groupConnector)
    FREE(groupConnector);
  if (buffer)
    FREE(buffer);
  FREE(dataBuf);
  if (unknownEncodingMem)
    FREE(unknownEncodingMem);
  if (unknownEncodingRelease)
    unknownEncodingRelease(unknownEncodingData);
  FREE(parser);
}

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

void
XML_SetReturnNSTriplet(XML_Parser parser, int do_nst) {
  ns_triplets = do_nst;
}

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

int XML_SetBase(XML_Parser parser, const XML_Char *p)
{
  if (p) {
    p = poolCopyString(&dtd.pool, p);
    if (!p)
      return 0;
    curBase = p;
  }
  else
    curBase = NULL;
  return 1;
}

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

int XML_GetSpecifiedAttributeCount(XML_Parser parser)
{
  return nSpecifiedAtts;
}

int XML_GetIdAttributeIndex(XML_Parser parser)
{
  return idAttIndex;
}

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

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

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

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

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

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

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

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

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

void XML_SetDefaultHandler(XML_Parser parser,
			   XML_DefaultHandler handler)
{
  defaultHandler = handler;
  defaultExpandInternalEntities = 0;
}

void XML_SetDefaultHandlerExpand(XML_Parser parser,
				 XML_DefaultHandler handler)
{
  defaultHandler = handler;
  defaultExpandInternalEntities = 1;
}

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

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

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

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

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

void XML_SetNamespaceDeclHandler(XML_Parser parser,
				 XML_StartNamespaceDeclHandler start,
				 XML_EndNamespaceDeclHandler end)
{
  startNamespaceDeclHandler = start;
  endNamespaceDeclHandler = end;
}

void XML_SetStartNamespaceDeclHandler(XML_Parser parser,
				      XML_StartNamespaceDeclHandler start) {
  startNamespaceDeclHandler = start;
}

void XML_SetEndNamespaceDeclHandler(XML_Parser parser,
				    XML_EndNamespaceDeclHandler end) {
  endNamespaceDeclHandler = end;
}


void XML_SetNotStandaloneHandler(XML_Parser parser,
				 XML_NotStandaloneHandler handler)
{
  notStandaloneHandler = handler;
}

void XML_SetExternalEntityRefHandler(XML_Parser parser,
				     XML_ExternalEntityRefHandler handler)
{
  externalEntityRefHandler = handler;
}

void XML_SetExternalEntityRefHandlerArg(XML_Parser parser, void *arg)
{
  if (arg)
    externalEntityRefHandlerArg = arg;
  else
    externalEntityRefHandlerArg = parser;
}

void XML_SetUnknownEncodingHandler(XML_Parser parser,
				   XML_UnknownEncodingHandler handler,
				   void *data)
{
  unknownEncodingHandler = handler;
  unknownEncodingHandlerData = data;
}

void XML_SetElementDeclHandler(XML_Parser parser,
			       XML_ElementDeclHandler eldecl)
{
  elementDeclHandler = eldecl;
}

void XML_SetAttlistDeclHandler(XML_Parser parser,
			       XML_AttlistDeclHandler attdecl)
{
  attlistDeclHandler = attdecl;
}

void XML_SetEntityDeclHandler(XML_Parser parser,
			      XML_EntityDeclHandler handler)
{
  entityDeclHandler = handler;
}

void XML_SetXmlDeclHandler(XML_Parser parser,
			   XML_XmlDeclHandler handler) {
  xmlDeclHandler = handler;
}

int XML_SetParamEntityParsing(XML_Parser parser,
			      enum XML_ParamEntityParsing parsing)
{
#ifdef XML_DTD
  paramEntityParsing = parsing;
  return 1;
#else
  return parsing == XML_PARAM_ENTITY_PARSING_NEVER;
#endif
}

int XML_Parse(XML_Parser parser, const char *s, int len, int isFinal)
{
  if (len == 0) {
    if (!isFinal)
      return 1;
    positionPtr = bufferPtr;
    errorCode = processor(parser, bufferPtr, parseEndPtr = bufferEnd, 0);
    if (errorCode == XML_ERROR_NONE)
      return 1;
    eventEndPtr = eventPtr;
    processor = errorProcessor;
    return 0;
  }
#ifndef XML_CONTEXT_BYTES
  else if (bufferPtr == bufferEnd) {
    const char *end;
    int nLeftOver;
    parseEndByteIndex += len;
    positionPtr = s;
    if (isFinal) {
      errorCode = processor(parser, s, parseEndPtr = s + len, 0);
      if (errorCode == XML_ERROR_NONE)
	return 1;
      eventEndPtr = eventPtr;
      processor = errorProcessor;
      return 0;
    }
    errorCode = processor(parser, s, parseEndPtr = s + len, &end);
    if (errorCode != XML_ERROR_NONE) {
      eventEndPtr = eventPtr;
      processor = errorProcessor;
      return 0;
    }
    XmlUpdatePosition(encoding, positionPtr, end, &position);
    nLeftOver = s + len - end;
    if (nLeftOver) {
      if (buffer == 0 || nLeftOver > bufferLim - buffer) {
	/* FIXME avoid integer overflow */
	char *temp;
	temp = buffer == 0 ? MALLOC(len * 2) : REALLOC(buffer, len * 2);
	if (temp == NULL) {
	  errorCode = XML_ERROR_NO_MEMORY;