K3dFile.h

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/***************************************************************************
 *   Copyright (C) 2007 by Jan Koci   *
 *   honza.koci@email.cz   *
 *   http://kengine.sourceforge.net/tutorial/
 *                                                                         *
 *   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.             *
 ***************************************************************************/

#pragma once

class K3dFile
{
                FILE*   m_pFile;        
        protected:
                bool OpenForRead ( const std::string& _rFileName )
                {
                        m_pFile = fopen ( _rFileName.c_str(), "rb" );
                        return Good();
                }
                bool OpenForWriteTrunc ( const std::string& _rFileName )
                {
                        m_pFile = fopen ( _rFileName.c_str(), "wb" );
                        return Good();
                }
                bool OpenForWriteAppend ( const std::string& _rFileName )
                {
                        m_pFile = fopen ( _rFileName.c_str(), "ab" );
                        return Good();
                }
                bool OpenForReadText ( const std::string& _rFileName )
                {
                        m_pFile = fopen ( _rFileName.c_str(), "rt" );
                        return Good();
                }
                bool OpenForWriteTextTrunc ( const std::string& _rFileName )
                {
                        m_pFile = fopen ( _rFileName.c_str(), "wt" );
                        return Good();
                }
                bool OpenForWriteTextAppend ( const std::string& _rFileName )
                {
                        m_pFile = fopen ( _rFileName.c_str(), "at" );
                        return Good();
                }

        public:
                K3dFile() : m_pFile ( 0 )       {}
                ~K3dFile()
                {
                        if ( m_pFile ) fclose ( m_pFile );
                }

                FILE* GetFile()
                {
                        return m_pFile;
                }
                bool Close()
                {
                        return ( fclose ( m_pFile ) == 0 );
                }
                bool Flush()
                {
                        return ( fflush ( m_pFile ) == 0 );
                }
                bool Good() const
                {
                        return ( m_pFile != 0 );
                }
                bool Bad() const
                {
                        return ( m_pFile == 0 );
                }
                bool Exists ( const std::string& _rFileName )
                {
                        FILE* pFile;
                        bool exists = ( ( pFile = fopen ( _rFileName.c_str(), "rb" ) ) != 0 );
                        if ( pFile ) fclose ( pFile );
                        return exists;
                }
                long Length()
                {
                        fseek ( m_pFile, 0, SEEK_END );
                        long lLen = ftell ( m_pFile );
                        fseek ( m_pFile, 0, SEEK_SET );
                        return lLen;
                }
};

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