OW_XMLPullParser.hpp

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#ifndef OW_XMLPULLPARSER_HPP_INCLUDE_GUARD_
#define OW_XMLPULLPARSER_HPP_INCLUDE_GUARD_
#include "OW_config.h"
#include "OW_AutoPtr.hpp"
#include "OW_TempFileStream.hpp"
#include "OW_String.hpp"
#include "OW_XMLParserCore.hpp"

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

namespace OW_NAMESPACE
{

class OW_XML_API XMLPullParser
{
public:
   XMLPullParser(const String& str);
   XMLPullParser(std::istream& sb);
   XMLPullParser();
   virtual ~XMLPullParser();

   String mustGetAttribute(const char* const attrName) const
   {
      return getAttribute(attrName, true);
   }
   // TODO: Get rid of all these bool parameters!
   String getAttribute(const char* const attrName, bool throwIfError = false) const;
   void getChild();
   void mustGetChild();
   void getNextTag(bool throwIfError = false);
   void getNext(bool throwIfError = false);
   void mustGetNext()
   {
      getNext(true);
   }
   void mustGetNextTag()
   {
      getNextTag(true);
   }
   void mustGetEndTag();
   bool tokenIs(const char* const arg) const
   {
      return m_curTok.text.equals(arg);
   }
   String getName() const;
   String getData() const;
   bool isData() const;
protected:

#ifdef OW_WIN32
#pragma warning (push)
#pragma warning (disable: 4251)
#endif

   AutoPtr<TempFileStream> m_ptfs;

#ifdef OW_WIN32
#pragma warning (pop)
#endif

   XMLParserCore m_parser;
   XMLToken m_curTok;
   bool m_good;

   void prime();
   void nextToken();
   void skipData();
   
private:
   // unimplemented
   XMLPullParser(const XMLPullParser& x);
   XMLPullParser& operator=(const XMLPullParser& x);

   friend OW_XML_API std::ostream& operator<<(std::ostream& ostr, const XMLPullParser& p);
};

} // end namespace OW_NAMESPACE

#endif

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