text: /****************************************************************************
   Copyright (c) 2010 cocos2d-x.org  http://cocos2d-x.org
   Copyright (c) 2010 Максим Аксенов
   
   Permission is hereby granted, free of charge, to any person obtaining a copy
   of this software and associated documentation files (the "Software"), to deal
   in the Software without restriction, including without limitation the rights
   to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
   copies of the Software, and to permit persons to whom the Software is
   furnished to do so, subject to the following conditions:
   
   The above copyright notice and this permission notice shall be included in
   all copies or substantial portions of the Software.
   
   THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
   IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
   FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
   AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
   LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
   OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
   THE SOFTWARE.
   ****************************************************************************/
  
  #include <libxml/parser.h>
  #include <libxml/tree.h>
  #include <libxml/xmlmemory.h>
  #include "CCSAXParser.h"
  #include "cocoa/CCDictionary.h"
  #include "CCFileUtils.h"
  
  NS_CC_BEGIN
  
  CCSAXParser::CCSAXParser()
  {
      m_pDelegator = NULL;
  }
  
  CCSAXParser::~CCSAXParser(void)
  {
  }
  
  bool CCSAXParser::init(const char *pszEncoding)
  {
      CC_UNUSED_PARAM(pszEncoding);
      // nothing to do
      return true;
  }
  
  bool CCSAXParser::parse(const char* pXMLData, unsigned int uDataLength)
  {
      /*
       * this initializes the library and checks potential ABI mismatches
       * between the version it was compiled for and the actual shared
       * library used.
       */
      LIBXML_TEST_VERSION
      xmlSAXHandler saxHandler;
      memset( &saxHandler, 0, sizeof(saxHandler) );
      // Using xmlSAXVersion( &saxHandler, 2 ) generate crash as it sets plenty of other pointers...
      saxHandler.initialized = XML_SAX2_MAGIC;  // so we do this to force parsing as SAX2.
      saxHandler.startElement = &CCSAXParser::startElement;
      saxHandler.endElement = &CCSAXParser::endElement;
      saxHandler.characters = &CCSAXParser::textHandler;
      
      int result = xmlSAXUserParseMemory( &saxHandler, this, pXMLData, uDataLength );
      if ( result != 0 )
      {
          return false;
      }
      /*
       * Cleanup function for the XML library.
       */
      xmlCleanupParser();
      /*
       * this is to debug memory for regression tests
       */
  #if (CC_TARGET_PLATFORM != CC_PLATFORM_BADA)
      xmlMemoryDump();
  #endif
      
      return true;
  }
  
  bool CCSAXParser::parse(const char *pszFile)
  {
      bool bRet = false;
      unsigned long size = 0;
      char* pBuffer = (char*)CCFileUtils::sharedFileUtils()->getFileData(pszFile, "rt", &size);
      if (pBuffer != NULL && size > 0)
      {
          bRet = parse(pBuffer, size);
      }
      CC_SAFE_DELETE_ARRAY(pBuffer);
      return bRet;
  }
  
  void CCSAXParser::startElement(void *ctx, const CC_XML_CHAR *name, const CC_XML_CHAR **atts)
  {
      ((CCSAXParser*)(ctx))->m_pDelegator->startElement(ctx, (char*)name, (const char**)atts);
  }
  
  void CCSAXParser::endElement(void *ctx, const CC_XML_CHAR *name)
  {
      ((CCSAXParser*)(ctx))->m_pDelegator->endElement(ctx, (char*)name);
  }
  void CCSAXParser::textHandler(void *ctx, const CC_XML_CHAR *name, int len)
  {
      ((CCSAXParser*)(ctx))->m_pDelegator->textHandler(ctx, (char*)name, len);
  }
  void CCSAXParser::setDelegator(CCSAXDelegator* pDelegator)
  {
      m_pDelegator = pDelegator;
  }
  
  NS_CC_END
  
  
  