irrlicht/source/Irrlicht/CReadFile.h

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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 IRR_C_READ_FILE_H_INCLUDED
#define IRR_C_READ_FILE_H_INCLUDED
#include <stdio.h>
#include "IReadFile.h"
#include "irrString.h"
namespace irr
{
namespace io
{
/*!
Class for reading a real file from disk.
*/
class CReadFile : public IReadFile
{
public:
CReadFile(const io::path& fileName);
virtual ~CReadFile();
//! 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 if file is open
bool isOpen() const
{
return File != 0;
}
//! 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_READ_FILE;
}
//! create read file on disk.
static IReadFile* createReadFile(const io::path& fileName);
private:
//! opens the file
void openFile();
FILE* File;
long FileSize;
io::path Filename;
};
} // end namespace io
} // end namespace irr
#endif