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// **************************************************************************
// * This file is part of the FreeFileSync project. It is distributed under *
// * GNU General Public License: http://www.gnu.org/licenses/gpl.html *
// * Copyright (C) 2008-2011 ZenJu (zhnmju123 AT gmx.de) *
// **************************************************************************
//
#ifndef FILEIO_H_INCLUDED
#define FILEIO_H_INCLUDED
#include <wx/stream.h>
#ifdef FFS_WIN
#include <wx/msw/wrapwin.h> //includes "windows.h"
#elif defined FFS_LINUX
#include <cstdio>
#endif
#include "zstring.h"
#include "file_error.h"
namespace ffs3
{
//file IO optimized for sequential read/write accesses + better error reporting + long path support (following symlinks)
class FileInput
{
public:
FileInput(const Zstring& filename); //throw (FileError, ErrorNotExisting)
~FileInput();
size_t read(void* buffer, size_t bytesToRead); //throw FileError(); returns actual number of bytes read
bool eof(); //end of file reached
private:
#ifdef FFS_WIN
HANDLE fileHandle;
bool eofReached;
#elif defined FFS_LINUX
FILE* fileHandle;
#endif
const Zstring filename_;
};
class FileOutput
{
public:
FileOutput(const Zstring& filename); //throw FileError()
~FileOutput();
void write(const void* buffer, size_t bytesToWrite); //throw FileError()
void close(); //close file stream
private:
#ifdef FFS_WIN
HANDLE fileHandle;
#elif defined FFS_LINUX
FILE* fileHandle;
#endif
const Zstring filename_;
};
//############# wxWidgets stream adapter #############
// can be used as base classes (have virtual destructors)
class FileInputStream : public wxInputStream
{
public:
FileInputStream(const Zstring& filename) : //throw FileError()
fileObj(filename) {}
private:
virtual size_t OnSysRead(void* buffer, size_t bufsize) //throw FileError()
{
return fileObj.read(buffer, bufsize);
}
FileInput fileObj;
};
class FileOutputStream : public wxOutputStream
{
public:
FileOutputStream(const Zstring& filename) : //throw FileError()
fileObj(filename) {}
private:
virtual size_t OnSysWrite(const void* buffer, size_t bufsize) //throw FileError()
{
fileObj.write(buffer, bufsize);
return bufsize;
}
FileOutput fileObj;
};
}
#endif // FILEIO_H_INCLUDED
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