OW_XMLParserSAX.cpp

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#include "OW_config.h"
#include "OW_XMLParserSAX.hpp"
#include "OW_XMLParserCore.hpp"
#include "OW_XMLParseException.hpp"
#include "OW_TempFileStream.hpp"
#include "OW_XMLUnescape.hpp"

#ifdef OW_HAVE_ISTREAM
#include <istream>
#else
#include <iostream>
#endif

using std::istream;

namespace OW_NAMESPACE
{
namespace XMLParserSAX
{

SAXDocumentHandler::~SAXDocumentHandler()
{
}

SAXErrorHandler::~SAXErrorHandler()
{
}

void parse(istream& istr, SAXDocumentHandler& docHandler, SAXErrorHandler& errHandler)
{
   XMLParserCore parser(istr);

   XMLToken entry;
   docHandler.startDocument();
   try
   {
      while (parser.next(entry))
      {
         switch (entry.type)
         {
            case XMLToken::INVALID:
               break;
            case XMLToken::XML_DECLARATION:
               break;
            case XMLToken::START_TAG:
               for (size_t i = 0; i < entry.attributeCount; ++i)
               {                   
                  entry.attributes[i].value = XMLUnescape(entry.attributes[i].value.c_str(), entry.attributes[i].value.length());
               }
               docHandler.startElement(entry);
               break;
            case XMLToken::END_TAG:
               docHandler.endElement(XMLUnescape(entry.text.c_str(), entry.text.length()));
               break;
            case XMLToken::COMMENT:
               break;
            case XMLToken::CDATA:
               docHandler.characters(entry.text); // cdata isn't escaped
               break;
            case XMLToken::DOCTYPE:
               break;
            case XMLToken::CONTENT:
               docHandler.characters(XMLUnescape(entry.text.c_str(), entry.text.length()));
               break;
            default:
               break;
         }
      }
   }
   catch (XMLParseException& e)
   {
      errHandler.fatalError(e);
   }

   docHandler.endDocument();

}

void 
parse(const String& xmlData, SAXDocumentHandler& docHandler, SAXErrorHandler& errHandler)
{
   TempFileStream tfs;
   tfs << xmlData;
   tfs.rewind();
   parse(tfs, docHandler, errHandler);
}

} // end namespace XMLParser

} // end namespace OW_NAMESPACE

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