irrlicht/source/Irrlicht/CMemoryFile.h
cutealien 2ae2a551a6 Merging r5975 through r6036 from trunk to ogl-es branch.
GLES drivers adapted, but only did make compile-tests.


git-svn-id: svn://svn.code.sf.net/p/irrlicht/code/branches/ogl-es@6038 dfc29bdd-3216-0410-991c-e03cc46cb475
2020-01-03 19:05:16 +00:00

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2.5 KiB
C++

// 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
virtual size_t read(void* buffer, size_t sizeToRead) _IRR_OVERRIDE_;
//! changes position in file, returns true if successful
virtual bool seek(long finalPos, bool relativeMovement = false) _IRR_OVERRIDE_;
//! returns size of file
virtual long getSize() const _IRR_OVERRIDE_;
//! returns where in the file we are.
virtual long getPos() const _IRR_OVERRIDE_;
//! returns name of file
virtual const io::path& getFileName() const _IRR_OVERRIDE_;
//! Get the type of the class implementing this interface
virtual EREAD_FILE_TYPE getType() const _IRR_OVERRIDE_
{
return ERFT_MEMORY_READ_FILE;
}
//! Get direct access to internal buffer
virtual const void *getBuffer() const _IRR_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
virtual size_t write(const void* buffer, size_t sizeToWrite) _IRR_OVERRIDE_;
//! changes position in file, returns true if successful
virtual bool seek(long finalPos, bool relativeMovement = false) _IRR_OVERRIDE_;
//! returns where in the file we are.
virtual long getPos() const _IRR_OVERRIDE_;
//! returns name of file
virtual const io::path& getFileName() const _IRR_OVERRIDE_;
virtual bool flush() _IRR_OVERRIDE_;
private:
void *Buffer;
long Len;
long Pos;
io::path Filename;
bool deleteMemoryWhenDropped;
};
} // end namespace io
} // end namespace irr
#endif