chminputstream.h

/*

  Copyright (C) 2003  Razvan Cojocaru <razvanco@gmx.net>
 
  This program is free software; you can redistribute it and/or modify
  it under the terms of the GNU General Public License as published by
  the Free Software Foundation; either version 2 of the License, or
  (at your option) any later version.
  
  This program is distributed in the hope that it will be useful,
  but WITHOUT ANY WARRANTY; without even the implied warranty of
  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  GNU General Public License for more details.
  
  You should have received a copy of the GNU General Public License
  along with this program; if not, write to the Free Software
  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, 
  MA 02110-1301, USA.

*/


#ifndef __CHMINPUTSTREAM_H_
#define __CHMINPUTSTREAM_H_

#include <wx/stream.h>
#include <chmfile.h>



class CHMInputStream : public wxInputStream
{
public:
        CHMInputStream(const wxString& archive, const wxString& file);

        virtual size_t GetSize() const;

        virtual bool Eof() const;

        static CHMFile* GetCache();
        static void Cleanup();
        
protected:
        virtual size_t OnSysRead(void *buffer, size_t bufsize);

#ifdef __WXMSW__
        virtual wxFileOffset OnSysSeek(wxFileOffset seek, wxSeekMode mode);
#else
        virtual off_t OnSysSeek(off_t seek, wxSeekMode mode);
#endif

#ifdef __WXMSW__
        virtual wxFileOffset OnSysTell() const { return _currPos; }
#else
        virtual off_t OnSysTell() const { return _currPos; }
#endif

private:
        bool Init(const wxString& archive);


private:
        static CHMFile *_archiveCache;
        off_t _currPos;
        chmUnitInfo _ui;
        static wxString _path;
};

#endif // __CHMINPUTSTREAM_H_


/*
  Local Variables:
  mode: c++
  c-basic-offset: 8
  tab-width: 8
  c-indent-comments-syntactically-p: t
  c-tab-always-indent: t
  indent-tabs-mode: t
  End:
*/

// vim:shiftwidth=8:autoindent:tabstop=8:noexpandtab:softtabstop=8

---