irrlicht/source/Irrlicht/CMemoryReadFile.h

59 lines
1.3 KiB
C++

// Copyright (C) 2002-2007 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 "irrString.h"
namespace irr
{
namespace io
{
/*!
Class for reading from memory.
*/
class CMemoryReadFile : public IReadFile
{
public:
CMemoryReadFile(void* memory, s32 len, const c8* fileName, bool deleteMemoryWhenDropped);
virtual ~CMemoryReadFile();
//! returns how much was read
virtual s32 read(void* buffer, u32 sizeToRead);
//! changes position in file, returns true if successful
//! if relativeMovement==true, the pos is changed relative to current pos,
//! otherwise from begin of file
virtual bool seek(s32 finalPos, bool relativeMovement = false);
//! returns size of file
virtual s32 getSize();
//! returns where in the file we are.
virtual s32 getPos();
//! returns name of file
virtual const c8* getFileName();
private:
core::stringc Filename;
void *Buffer;
u32 Len;
u32 Pos;
bool deleteMemoryWhenDropped;
};
} // end namespace io
} // end namespace irr
#endif