DocumentHandler.h

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// $Id$
//==========================================================================
//  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_DOCUMENTHANDLER_H
#define DD4HEP_XML_DOCUMENTHANDLER_H

// Framework include files
#include "XML/XMLElements.h"
#include "DD4hep/Memory.h"

namespace DD4hep {

  namespace XML {

    // Forward declarations
    class DocumentErrorHandler;
    class UriReader;


    class DocumentHandler {
    public:
      DocumentHandler();
      virtual ~DocumentHandler();
      // Create new XML document by parsing empty xml buffer
      Document create(const char* tag, const char* comment = 0) const;
      virtual Document load(const std::string& fname) const;
      virtual Document load(const std::string& fname, UriReader* reader) const;
      virtual Document load(Handle_t base, const XmlChar* fname) const;
      virtual Document load(Handle_t base, const XmlChar* fname, UriReader* reader) const;
      virtual Document parse(const char* doc_string, size_t length) const;
      virtual Document parse(const char* doc_string, size_t length, const char* sys_id, UriReader* reader) const;
      virtual int output(Document doc, const std::string& fname) const;

      static std::string system_path(Handle_t base);
      static std::string system_path(Handle_t base, const XmlChar* fname);
      static std::string system_path(Handle_t base, const std::string& fname);
      static std::string system_directory(Handle_t base);
      static std::string system_directory(Handle_t base, const XmlChar* fname);

    };
  }
} /* End namespace DD4hep            */
#endif    /* DD4HEP_XML_DOCUMENTHANDLER_H    */