irrlicht/source/Irrlicht/CMemoryFile.h

63 lines
1.3 KiB
C++

// Copyright (C) 2002-2008 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_FILE_H_INCLUDED__
#define __C_MEMORY_READ_FILE_H_INCLUDED__
#include "IReadFile.h"
#include "IWriteFile.h"
#include "irrString.h"
namespace irr
{
namespace io
{
/*!
Class for reading and writing from memory.
*/
class CMemoryFile : public IReadFile, public IWriteFile
{
public:
//! Constructor
CMemoryFile(void* memory, long len, const io::path& fileName, bool deleteMemoryWhenDropped);
//! Destructor
virtual ~CMemoryFile();
//! returns how much was read
virtual s32 read(void* buffer, u32 sizeToRead);
//! returns how much was written
virtual s32 write(const void* buffer, u32 sizeToWrite);
//! changes position in file, returns true if successful
virtual bool seek(long finalPos, bool relativeMovement = false);
//! returns size of file
virtual long getSize() const;
//! returns where in the file we are.
virtual long getPos() const;
//! returns name of file
virtual const io::path& getFileName() const;
private:
void *Buffer;
long Len;
long Pos;
io::path Filename;
bool deleteMemoryWhenDropped;
};
} // end namespace io
} // end namespace irr
#endif