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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_FILE_H_INCLUDED__
#define __C_MEMORY_READ_FILE_H_INCLUDED__
#include "IMemoryReadFile.h"
#include "IWriteFile.h"
#include "irrString.h"
namespace irr
{
namespace io
{
/*!
Class for reading from memory.
*/
class CMemoryReadFile : public IMemoryReadFile
{
public:
//! Constructor
CMemoryReadFile(const void* memory, long len, const io::path& fileName, bool deleteMemoryWhenDropped);
//! Destructor
virtual ~CMemoryReadFile();
//! returns how much was read
size_t read(void* buffer, size_t sizeToRead) override;
//! changes position in file, returns true if successful
bool seek(long finalPos, bool relativeMovement = false) override;
//! returns size of file
long getSize() const override;
//! returns where in the file we are.
long getPos() const override;
//! returns name of file
const io::path& getFileName() const override;
//! Get the type of the class implementing this interface
EREAD_FILE_TYPE getType() const override
{
return ERFT_MEMORY_READ_FILE;
}
//! Get direct access to internal buffer
const void *getBuffer() const override
{
return Buffer;
}
private:
const void *Buffer;
long Len;
long Pos;
io::path Filename;
bool deleteMemoryWhenDropped;
};
/*!
Class for writing to memory.
*/
class CMemoryWriteFile : public IWriteFile
{
public:
//! Constructor
CMemoryWriteFile(void* memory, long len, const io::path& fileName, bool deleteMemoryWhenDropped);
//! Destructor
virtual ~CMemoryWriteFile();
//! returns how much was written
size_t write(const void* buffer, size_t sizeToWrite) override;
//! changes position in file, returns true if successful
bool seek(long finalPos, bool relativeMovement = false) override;
//! returns where in the file we are.
long getPos() const override;
//! returns name of file
const io::path& getFileName() const override;
bool flush() override;
private:
void *Buffer;
long Len;
long Pos;
io::path Filename;
bool deleteMemoryWhenDropped;
};
} // end namespace io
} // end namespace irr
#endif
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