lowlevelfile.hpp

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#ifndef COMPONENTS_FILES_LOWLEVELFILE_HPP
#define COMPONENTS_FILES_LOWLEVELFILE_HPP

#include <cstdlib>

#define FILE_API_STDIO  0
#define FILE_API_POSIX  1
#define FILE_API_WIN32  2

#if defined(__linux) || defined(__unix) || defined(__posix)
#define FILE_API    FILE_API_POSIX
#elif defined(_WIN32)
#define FILE_API    FILE_API_WIN32
#else
#define FILE_API    FILE_API_STDIO
#endif

#if FILE_API == FILE_API_STDIO
#include <cstdio>
#elif FILE_API == FILE_API_POSIX
#elif FILE_API == FILE_API_WIN32
#include <windows.h>
#else
#error Unsupported File API
#endif

class LowLevelFile
{
public:

    LowLevelFile ();
    ~LowLevelFile ();

    void open (char const * filename);
    void close ();

    size_t size ();

    void seek (size_t Position);
    size_t tell ();

    size_t read (void * data, size_t size);

private:
#if FILE_API == FILE_API_STDIO
    FILE* mHandle;
#elif FILE_API == FILE_API_POSIX
    int mHandle;
#elif FILE_API == FILE_API_WIN32
    HANDLE mHandle;
#endif
};

#endif