UriReader.h

Go to the documentation of this file.

// $Id$
//==========================================================================
//  AIDA Detector description implementation for LCD
//--------------------------------------------------------------------------
// Copyright (C) Organisation europeenne pour la Recherche nucleaire (CERN)
// All rights reserved.
//
// For the licensing terms see $DD4hepINSTALL/LICENSE.
// For the list of contributors see $DD4hepINSTALL/doc/CREDITS.
//
// Author     : M.Frank
//
//==========================================================================
#ifndef DD4HEP_XML_URIREADER_H
#define DD4HEP_XML_URIREADER_H

// C/C++ include files
#include <string>

namespace DD4hep {

  namespace XML {


    class UriReader {
    public:
      struct UserContext {
        UserContext() {}
        UserContext(const UserContext&) {}
        virtual ~UserContext() {}
      };
    public:
      UriReader()  {}
      virtual ~UriReader();
      virtual UserContext* context()  {  return 0;  }
      virtual bool load(const std::string& system_id, std::string& data);
      virtual bool load(const std::string& system_id, UserContext* context, std::string& data) = 0;
      virtual void parserLoaded(const std::string& system_id);
      virtual void parserLoaded(const std::string& system_id, UserContext* ctxt) = 0;
    };


    class UriContextReader : public UriReader  {
    protected:
      UriReader* m_reader;
      UriReader::UserContext* m_context;
    public:
      UriContextReader(UriReader* reader, UriReader::UserContext* ctxt);
      UriContextReader(const UriContextReader& copy);
      virtual ~UriContextReader();
      virtual UserContext* context()  {  return m_context;  }
      virtual bool load(const std::string& system_id, std::string& data);
      virtual bool load(const std::string& system_id, UserContext* context, std::string& data);
      virtual void parserLoaded(const std::string& system_id);
      virtual void parserLoaded(const std::string& system_id, UserContext* ctxt);
    };

  }       /* End namespace XML               */
}         /* End namespace DD4hep            */
#endif    /* DD4HEP_XML_URIREADER_H          */