#ifndef __COMPRESSED_FILE_H__
#define __COMPRESSED_FILE_H__

//////////////////////////////////////////////////////////////////////////////
//
// Class Name    : CCompressedFile
// Author        : Craig Drummond
// Project       : K Font Installer
// Creation Date : 28/11/2001
// Version       : $Revision: 1.3 $ $Date: 2004/03/17 19:42:39 $
//
////////////////////////////////////////////////////////////////////////////////
//
// 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., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
//
////////////////////////////////////////////////////////////////////////////////
// (C) Craig Drummond, 2001, 2002, 2003
////////////////////////////////////////////////////////////////////////////////

#include <stdio.h>
#include <qstring.h>
#include <zlib.h>

class CCompressedFile
{
    public:

    enum EType
    {
        GZIP,
        Z
    };

    CCompressedFile(const QString &fname);
    virtual ~CCompressedFile();

    operator bool() { return  GZIP==itsType ? NULL!=itsGzFile : NULL!=itsFile; }

    void   open(const QString &fname);
    void   close();
    int    read(void *data, unsigned int len);
    int    getChar();
    char * getString(char *data, unsigned int len);
    int    seek(int offset, int whence);
    bool   eof()    { return GZIP==itsType ? gzeof(itsGzFile) : feof(itsFile); }

    private:

    // Don't really want copy contructor or operator=, therefore defined as private
    CCompressedFile & operator=(const CCompressedFile&);
    CCompressedFile(const CCompressedFile&);

    private:

    EType         itsType;
    int           itsPos;
    QString       itsFName;
    union
    {
        FILE      *itsFile;
        gzFile    itsGzFile;
    };
};

#endif
