xmlparse.c

linux下的一款播放器

#define freeTagList (((Parser *)parser)->m_freeTagList)
#define freeBindingList (((Parser *)parser)->m_freeBindingList)
#define inheritedBindings (((Parser *)parser)->m_inheritedBindings)
#define tagStack (((Parser *)parser)->m_tagStack)
#define atts (((Parser *)parser)->m_atts)
#define attsSize (((Parser *)parser)->m_attsSize)
#define nSpecifiedAtts (((Parser *)parser)->m_nSpecifiedAtts)
#define idAttIndex (((Parser *)parser)->m_idAttIndex)
#define tempPool (((Parser *)parser)->m_tempPool)
#define temp2Pool (((Parser *)parser)->m_temp2Pool)
#define groupConnector (((Parser *)parser)->m_groupConnector)
#define groupSize (((Parser *)parser)->m_groupSize)
#define hadExternalDoctype (((Parser *)parser)->m_hadExternalDoctype)
#define namespaceSeparator (((Parser *)parser)->m_namespaceSeparator)
#ifdef XML_DTD
#define parentParser (((Parser *)parser)->m_parentParser)
#define paramEntityParsing (((Parser *)parser)->m_paramEntityParsing)
#endif /* XML_DTD */

#ifdef _MSC_VER
#ifdef _DEBUG
Parser *asParser(XML_Parser parser)
{
  return (Parser*) parser;
}
#endif
#endif

/* this macro requires an int err has been declared to store the error to 
   be returned.  The macro is to be placed in a case statement. */
#define CASE_ERROR() \
    case XML_TOK_ERR_INVALID_NAME: err = XML_ERROR_INVALID_NAME; goto err_done; \
    case XML_TOK_ERR_INVALID_CHAR_IN_DOC: err = XML_ERROR_INVALID_CHAR_IN_DOC; goto err_done; \
    case XML_TOK_ERR_TWO_DASHES_NOT_ALLOWED_IN_COMMENT: err = XML_ERROR_TWO_DASHES_NOT_ALLOWED_IN_COMMENT; goto err_done; \
    case XML_TOK_ERR_INVALID_DECL: err = XML_ERROR_INVALID_DECL; goto err_done; \
    case XML_TOK_ERR_INVALID_PI: err = XML_ERROR_INVALID_PI; goto err_done; \
    case XML_TOK_ERR_INVALID_PI_TARGET: err = XML_ERROR_INVALID_PI_TARGET; goto err_done; \
    case XML_TOK_ERR_INVALID_CDATA: err = XML_ERROR_INVALID_CDATA; goto err_done; \
    case XML_TOK_ERR_NO_CLOSING_GT: err = XML_ERROR_NO_CLOSING_GT; goto err_done; \
    case XML_TOK_ERR_INVALID_HEX_CHAR_REF: err = XML_ERROR_INVALID_HEX_CHAR_REF; goto err_done; \
    case XML_TOK_ERR_INVALID_CHAR_REF: err = XML_ERROR_INVALID_CHAR_REF; goto err_done; \
    case XML_TOK_ERR_INVALID_REF: err = XML_ERROR_INVALID_REF; goto err_done; \
    case XML_TOK_ERR_MISSING_EQUALS: err = XML_ERROR_MISSING_EQUALS; goto err_done; \
    case XML_TOK_ERR_MISSING_QUOT_APOS: err = XML_ERROR_MISSING_QUOT_APOS; goto err_done; \
    case XML_TOK_ERR_MISSING_REQ_SPACE: err = XML_ERROR_MISSING_REQ_SPACE; goto err_done; \
    case XML_TOK_ERR_LT_NOT_ALLOWED: err = XML_ERROR_LT_NOT_ALLOWED; goto err_done; \
    case XML_TOK_ERR_EXPECTED_GT: err = XML_ERROR_EXPECTED_GT; goto err_done; \
    case XML_TOK_ERR_INVALID_GT_AFFT_2_RSQB_IN_CONTENT: err = XML_ERROR_INVALID_GT_AFFT_2_RSQB_IN_CONTENT; goto err_done; \
    case XML_TOK_ERR_INVALID_COMMENT: err = XML_ERROR_INVALID_COMMENT; goto err_done; \
    err_done:


XML_Parser XML_ParserCreate(const XML_Char *encodingName)
{
  XML_Parser parser = malloc(sizeof(Parser));
  if (!parser)
    return parser;
  processor = prologInitProcessor;
  XmlPrologStateInit(&prologState);
  userData = 0;
  handlerArg = 0;
  startElementHandler = 0;
  endElementHandler = 0;
  characterDataHandler = 0;
  processingInstructionHandler = 0;
  commentHandler = 0;
  startCdataSectionHandler = 0;
  endCdataSectionHandler = 0;
  defaultHandler = 0;
  startDoctypeDeclHandler = 0;
  endDoctypeDeclHandler = 0;
  unparsedEntityDeclHandler = 0;
  notationDeclHandler = 0;
  externalParsedEntityDeclHandler = 0;
  internalParsedEntityDeclHandler = 0;
  startNamespaceDeclHandler = 0;
  endNamespaceDeclHandler = 0;
  notStandaloneHandler = 0;
  externalEntityRefHandler = 0;
  externalEntityRefHandlerArg = parser;
  unknownEncodingHandler = 0;
  buffer = 0;
  bufferPtr = 0;
  bufferEnd = 0;
  parseEndByteIndex = 0;
  parseEndPtr = 0;
  bufferLim = 0;
  declElementType = 0;
  declAttributeId = 0;
  declEntity = 0;
  declNotationName = 0;
  declNotationPublicId = 0;
  memset(&position, 0, sizeof(POSITION));
  errorCode = XML_ERROR_NONE;
  eventPtr = 0;
  eventEndPtr = 0;
  positionPtr = 0;
  openInternalEntities = 0;
  tagLevel = 0;
  tagStack = 0;
  freeTagList = 0;
  freeBindingList = 0;
  inheritedBindings = 0;
  attsSize = INIT_ATTS_SIZE;
  atts = (ATTRIBUTE*) malloc(attsSize * sizeof(ATTRIBUTE)); /* Helix expat change */
  nSpecifiedAtts = 0;
  dataBuf = (XML_Char*) malloc(INIT_DATA_BUF_SIZE * sizeof(XML_Char)); /* Helix expat change */
  groupSize = 0;
  groupConnector = 0;
  hadExternalDoctype = 0;
  unknownEncodingMem = 0;
  unknownEncodingRelease = 0;
  unknownEncodingData = 0;
  unknownEncodingHandlerData = 0;
  namespaceSeparator = '!';
#ifdef XML_DTD
  parentParser = 0;
  paramEntityParsing = XML_PARAM_ENTITY_PARSING_NEVER;
#endif
  ns = 0;
  poolInit(&tempPool);
  poolInit(&temp2Pool);
  protocolEncodingName = encodingName ? poolCopyString(&tempPool, encodingName) : 0;
  curBase = 0;
  if (!dtdInit(&dtd) || !atts || !dataBuf
      || (encodingName && !protocolEncodingName)) {
    XML_ParserFree(parser);
    return 0;
  }
  dataBufEnd = dataBuf + INIT_DATA_BUF_SIZE;
  XmlInitEncoding(&initEncoding, &encoding, 0);
  internalEncoding = XmlGetInternalEncoding();
  return parser;
}

XML_Parser XML_ParserCreateNS(const XML_Char *encodingName, XML_Char nsSep)
{
  static
  const XML_Char implicitContext[] = {
    XML_T('x'), XML_T('m'), XML_T('l'), XML_T('='),
    XML_T('h'), XML_T('t'), XML_T('t'), XML_T('p'), XML_T(':'),
    XML_T('/'), XML_T('/'), XML_T('w'), XML_T('w'), XML_T('w'),
    XML_T('.'), XML_T('w'), XML_T('3'),
    XML_T('.'), XML_T('o'), XML_T('r'), XML_T('g'),
    XML_T('/'), XML_T('X'), XML_T('M'), XML_T('L'),
    XML_T('/'), XML_T('1'), XML_T('9'), XML_T('9'), XML_T('8'),
    XML_T('/'), XML_T('n'), XML_T('a'), XML_T('m'), XML_T('e'),
    XML_T('s'), XML_T('p'), XML_T('a'), XML_T('c'), XML_T('e'),
    XML_T('\0')
  };

  XML_Parser parser = XML_ParserCreate(encodingName);
  if (parser) {
    XmlInitEncodingNS(&initEncoding, &encoding, 0);
    ns = 1;
    internalEncoding = XmlGetInternalEncodingNS();
    namespaceSeparator = nsSep;
  }
  if (!setContext(parser, implicitContext)) {
    XML_ParserFree(parser);
    return 0;
  }
  return parser;
}

int XML_SetEncoding(XML_Parser parser, const XML_Char *encodingName)
{
  if (!encodingName)
    protocolEncodingName = 0;
  else {
    protocolEncodingName = poolCopyString(&tempPool, encodingName);
    if (!protocolEncodingName)
      return 0;
  }
  return 1;
}

XML_Parser XML_ExternalEntityParserCreate(XML_Parser oldParser,
					  const XML_Char *context,
					  const XML_Char *encodingName)
{
  XML_Parser parser = oldParser;
  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_ExternalParsedEntityDeclHandler oldExternalParsedEntityDeclHandler = externalParsedEntityDeclHandler;
  XML_InternalParsedEntityDeclHandler oldInternalParsedEntityDeclHandler = internalParsedEntityDeclHandler;
  XML_StartNamespaceDeclHandler oldStartNamespaceDeclHandler = startNamespaceDeclHandler;
  XML_EndNamespaceDeclHandler oldEndNamespaceDeclHandler = endNamespaceDeclHandler;
  XML_NotStandaloneHandler oldNotStandaloneHandler = notStandaloneHandler;
  XML_ExternalEntityRefHandler oldExternalEntityRefHandler = externalEntityRefHandler;
  XML_UnknownEncodingHandler oldUnknownEncodingHandler = unknownEncodingHandler;
  void *oldUserData = userData;
  void *oldHandlerArg = handlerArg;
  int oldDefaultExpandInternalEntities = defaultExpandInternalEntities;
  void *oldExternalEntityRefHandlerArg = externalEntityRefHandlerArg;
#ifdef XML_DTD
  int oldParamEntityParsing = paramEntityParsing;
#endif
  parser = (ns
            ? XML_ParserCreateNS(encodingName, namespaceSeparator)
	    : XML_ParserCreate(encodingName));
  if (!parser)
    return 0;
  startElementHandler = oldStartElementHandler;
  endElementHandler = oldEndElementHandler;
  characterDataHandler = oldCharacterDataHandler;
  processingInstructionHandler = oldProcessingInstructionHandler;
  commentHandler = oldCommentHandler;
  startCdataSectionHandler = oldStartCdataSectionHandler;
  endCdataSectionHandler = oldEndCdataSectionHandler;
  defaultHandler = oldDefaultHandler;
  unparsedEntityDeclHandler = oldUnparsedEntityDeclHandler;
  notationDeclHandler = oldNotationDeclHandler;
  externalParsedEntityDeclHandler = oldExternalParsedEntityDeclHandler;
  internalParsedEntityDeclHandler = oldInternalParsedEntityDeclHandler;
  startNamespaceDeclHandler = oldStartNamespaceDeclHandler;
  endNamespaceDeclHandler = oldEndNamespaceDeclHandler;
  notStandaloneHandler = oldNotStandaloneHandler;
  externalEntityRefHandler = oldExternalEntityRefHandler;
  unknownEncodingHandler = oldUnknownEncodingHandler;
  userData = oldUserData;
  if (oldUserData == oldHandlerArg)
    handlerArg = userData;
  else
    handlerArg = parser;
  if (oldExternalEntityRefHandlerArg != oldParser)
    externalEntityRefHandlerArg = oldExternalEntityRefHandlerArg;
  defaultExpandInternalEntities = oldDefaultExpandInternalEntities;
#ifdef XML_DTD
  paramEntityParsing = (enum XML_ParamEntityParsing) oldParamEntityParsing; /* Helix expat change */
  if (context) {
#endif /* XML_DTD */
    if (!dtdCopy(&dtd, oldDtd) || !setContext(parser, context)) {
      XML_ParserFree(parser);
      return 0;
    }
    processor = externalEntityInitProcessor;
#ifdef XML_DTD
  }
  else {
    dtdSwap(&dtd, oldDtd);
    parentParser = oldParser;
    XmlPrologStateInitExternalEntity(&prologState);
    dtd.complete = 1;
    hadExternalDoctype = 1;
  }
#endif /* XML_DTD */
  return parser;
}

static
void destroyBindings(BINDING *bindings)
{
  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 == 0)
	break;
      tagStack = freeTagList;
      freeTagList = 0;
    }
    p = tagStack;
    tagStack = tagStack->parent;
    free(p->buf);
    destroyBindings(p->bindings);
    free(p);
  }
  destroyBindings(freeBindingList);
  destroyBindings(inheritedBindings);
  poolDestroy(&tempPool);
  poolDestroy(&temp2Pool);
#ifdef XML_DTD
  if (parentParser) {
    if (hadExternalDoctype)
      dtd.complete = 0;
    dtdSwap(&dtd, &((Parser *)parentParser)->m_dtd);
  }
#endif /* XML_DTD */
  dtdDestroy(&dtd);
  free((void *)atts);
  free(groupConnector);
  free(buffer);
  free(dataBuf);
  free(unknownEncodingMem);
  if (unknownEncodingRelease)
    unknownEncodingRelease(unknownEncodingData);
  free(parser);
}

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

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 = 0;
  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_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_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_SetUnparsedEntityDeclHandler(XML_Parser parser,
				      XML_UnparsedEntityDeclHandler handler)
{
  unparsedEntityDeclHandler = handler;
}

void XML_SetExternalParsedEntityDeclHandler(XML_Parser parser,
					    XML_ExternalParsedEntityDeclHandler handler)
{
  externalParsedEntityDeclHandler = handler;
}

void XML_SetInternalParsedEntityDeclHandler(XML_Parser parser,
					    XML_InternalParsedEntityDeclHandler handler)
{
  internalParsedEntityDeclHandler = handler;
}

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