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// Copyright (C) 2002-2012 Nikolaus Gebhardt
// This file is part of the "Irrlicht Engine".
// For conditions of distribution and use, see copyright notice in irrlicht.h
#ifndef __C_MEMORY_READ_WRITE_FILE_H_INCLUDED__
#define __C_MEMORY_READ_WRITE_FILE_H_INCLUDED__
#include "IWriteFile.h"
#include "IReadFile.h"
#include "irrArray.h"
#include "irrString.h"
#include "memory.h"
namespace irr
{
namespace io
{
//! Provides write acess to an array as if it is a file.
class CMemoryReadWriteFile : public virtual IWriteFile, public virtual IReadFile
{
public:
CMemoryReadWriteFile(const c8* filename=0);
//! Reads an amount of bytes from the file.
//! \param buffer: Pointer to buffer of bytes to write.
//! \param sizeToWrite: Amount of bytes to wrtie to the file.
//! \return Returns how much bytes were written.
virtual s32 write(const void* buffer, u32 sizeToWrite);
//! Changes position in file, returns true if successful.
//! \param finalPos: Destination position in the file.
//! \param relativeMovement: If set to true, the position in the file is
//! changed relative to current position. Otherwise the position is changed
//! from begin of file.
//! \return Returns true if successful, otherwise false.
virtual bool seek(long finalPos, bool relativeMovement = false);
//! Returns size of file.
//! \return Returns the size of the file in bytes.
virtual long getSize() const;
//! Reads an amount of bytes from the file.
//! \param buffer: Pointer to buffer where to read bytes will be written to.
//! \param sizeToRead: Amount of bytes to read from the file.
//! \return Returns how much bytes were read.
virtual s32 read(void* buffer, u32 sizeToRead);
//! Returns the current position in the file.
//! \return Returns the current position in the file in bytes.
virtual long getPos() const;
//! Returns name of file.
//! \return Returns the file name as zero terminated character string.
virtual const io::path& getFileName() const;
//! Returns file data as an array
core::array<c8>& getData();
private:
core::array<c8> Data;
io::path FileName;
long Pos;
};
} // end namespace io
} // end namespace irr
#endif // __C_MEMORY_READ_WRITE_FILE_H_INCLUDED__
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