// -*- mode:C++; tab-width:2; c-basic-offset:2; indent-tabs-mode:nil -*-
//
// Copyright (C) 2000-2005 by Roger Rene Kommer / artefaktur, Kassel, Germany.
//
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Library General Public License (LGPL).
//
//
// 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
// License ACDK-FreeLicense document enclosed in the distribution
// for more for more details.
// This file is part of the Artefaktur Component Development Kit:
// ACDK
//
// Please refer to
// - http://www.acdk.de
// - http://www.artefaktur.com
// - http://acdk.sourceforge.net
// for more information.
//
// $Header: /cvsroot/acdk/acdk/acdk_core/src/acdk/io/FileReaderWriterImpl.h,v 1.17 2005/04/09 19:26:45 kommer Exp $
#ifndef acdk_io_FileReaderWriterImpl_h
#define acdk_io_FileReaderWriterImpl_h
//#include "File.h"
#include "Reader.h"
#include <stdio.h>
#include <errno.h>
#include <fcntl.h>
#include <sys/types.h>
#include <sys/stat.h>
#ifdef HAS_UNISTD_H
# include <unistd.h>
#endif
/FONT>
#ifdef ACDK_OS_WIN32
# include <io.h>
#endif
/FONT>
namespace acdk {
namespace io {
using namespace acdk::lang;
enum SeekPos;
ACDK_DECL_CLASS(File);
/**
Internal Implementation base of FileReader and FileWriter.
API: Java<br>
@author Roger Rene Kommer (mailto:kommer@artefaktur.com)
@version $Revision: 1.17 $
@date $Date: 2005/04/09 19:26:45 $
*/
class ACDK_CORE_PUBLIC FileReaderWriterImpl
{
protected:
RFileDescriptor _fd;
bool _ownFileDescriptor;
bool _eof;
bool _eofReturned;
public :
/**
omode and pmode see system call open(const char *filename, int oflag, int pmode)
*/
FileReaderWriterImpl(IN(RFile) file, int omode, int pmode = S_IREAD | S_IWRITE);
/**
omode and pmode see system call open(const char *filename, int oflag, int pmode)
*/
FileReaderWriterImpl(IN(RString) fileName, int omode, int pmode = S_IREAD | S_IWRITE);
/**
same as above, but with "r", "rw"-syntax
@param file the file to open
@param mode "r" or "rw" for read/write access
*/
FileReaderWriterImpl(IN(RFile) file, IN(RString) mode);
/**
@param fd the native file descriptor
*/
FileReaderWriterImpl(IN(RFileDescriptor) fd, bool dupl = false);
virtual ~FileReaderWriterImpl();
int available();
void close();
jlong seek(SeekPos seekrel, jlong seekpos);
jlong skip(jlong n) { return seek(acdk::io::SeekCur, n); }
int read();
int read(IN(RbyteArray) buffer, int offset = 0, int len = -1);
int read(byte* buffer, int offset, int len);
RString readLine();
void write(byte c);
void write(const byte* cstr, int offset, int len);
void write(IN(RbyteArray) buffer, int offset = 0, int len = -1);
void flush();
/**
omode and pmode see system call open(const byte *filename, int oflag, int pmode)
*/
void open(IN(RFile) fname, int omode, int pmode = S_IREAD | S_IWRITE);
RFileDescriptor getFD();
jlong fileLength();
jlong curSeekPos();
bool isReadable();
bool isWriteable();
void setLength(jlong newLength);
bool eof() { return _eof; }
private:
void _setFD(int fd, int omode); // friend of FileDescriptor, needed for open()
friend class FileDescriptor;
};
} // io
} // acdk
// VC6 needs this for FRWI, but FD includes us ...
#ifndef acdk_io_FileDescriptor_h
#include "FileDescriptor.h"
#endif
/FONT>
#endif //acdk_io_FileReader_h
|