// **************************************************************************
// * This file is part of the FreeFileSync project. It is distributed under *
// * GNU General Public License: http://www.gnu.org/licenses/gpl-3.0        *
// * Copyright (C) Zenju (zenju AT gmx DOT de) - All Rights Reserved        *
// **************************************************************************

#ifndef FILEIO_89578342758342572345
#define FILEIO_89578342758342572345

#include "file_io_base.h"
#include "file_error.h"

#ifdef ZEN_WIN
    #include "win.h" //includes "windows.h"
#endif


namespace zen
{
#ifdef ZEN_WIN
    static const char LINE_BREAK[] = "\r\n";
#elif defined ZEN_LINUX || defined ZEN_MAC
    static const char LINE_BREAK[] = "\n"; //since OS X apple uses newline, too
#endif

//OS-buffered file IO optimized for sequential read/write accesses + better error reporting + long path support + following symlinks

#ifdef ZEN_WIN
    typedef HANDLE FileHandle;
#elif defined ZEN_LINUX || defined ZEN_MAC
    typedef int FileHandle;
#endif

class FileInput : public FileInputBase
{
public:
    FileInput(const Zstring& filepath);                    //throw FileError
    FileInput(FileHandle handle, const Zstring& filepath); //takes ownership!
    ~FileInput();

    size_t read(void* buffer, size_t bytesToRead) override; //throw FileError; returns actual number of bytes read
    FileHandle getHandle() { return fileHandle; }

private:
    FileHandle fileHandle;
};


class FileOutput : public FileOutputBase
{
public:
    FileOutput(const Zstring& filepath, AccessFlag access); //throw FileError, ErrorTargetExisting
    FileOutput(FileHandle handle, const Zstring& filepath); //takes ownership!
    ~FileOutput();

    void write(const void* buffer, size_t bytesToWrite) override; //throw FileError
    FileHandle getHandle() { return fileHandle; }

private:
    FileHandle fileHandle;
};
}

#endif //FILEIO_89578342758342572345