nfile.h

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// LICENSE: (Please see the file COPYING for details)
//
// NUS - Nemesis Utilities System: A C++ application development framework 
// Copyright (C) 2006, 2008 Otavio Rodolfo Piske
//
//  This file is part of NUS
//
//  This library is free software; you can redistribute it and/or
//  modify it under the terms of the GNU Lesser General Public
//  License as published by the Free Software Foundation version 2.1
//  of the License.
//
//  This library 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
//  Lesser General Public License for more details.
//
//  You should have received a copy of the GNU Lesser General Public
//  License along with this library; if not, write to the Free Software
//  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
//
#ifndef NFILE_H
#define NFILE_H

#include <cstdio>
#include <sys/stat.h>

#ifdef _MSC_VER
#include <io.h>
#endif

#include "ndefs.h"
#include "niodevice.h"
#include "nstring.h"


class DllDeclSpec NFile: public NIODevice { 
      public:
            NFile(void);

            NFile(const NString &path, 
                  NIODevice::Mode mode = NIODevice::ReadWrite);
            ~NFile(void);
            
            bool atEnd(void) const;

            bool exists(void) const;

            static bool exists(const NString &filepath);

            int handle(void) const;
            
            void open(NIODevice::Mode mode);

            void closeDevice(void);
            
            nint32 read(NDataStream *buffer);

            nint32 read(NDataStream *buffer, nuint32 bytes);

            nint32 readLine(NDataStream *buffer);

            nint32 write(const NDataStream &data, nuint32 bytes = 0);
      
            nint64 size(void) const;

            void setFileName(const NString &path);

            NString getFileName(void) const;
      
      
      private:
            FILE *m_handle;
            NString m_path;
            
            char *getMode(NIODevice::Mode mode) const;
            
            NFile(const NFile &file);
            NFile &operator=(const NFile &file);
};


#endif // NFILE_H

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