mirror of
https://github.com/minetest/minetest.git
synced 2024-11-27 10:03:45 +01:00
100 lines
2.1 KiB
C++
100 lines
2.1 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
|
|
|
|
#pragma once
|
|
|
|
#include "IMemoryReadFile.h"
|
|
#include "IWriteFile.h"
|
|
#include "irrString.h"
|
|
|
|
namespace irr
|
|
{
|
|
|
|
namespace io
|
|
{
|
|
|
|
/*!
|
|
Class for reading from memory.
|
|
*/
|
|
class CMemoryReadFile final : 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
|