fraktal/include/irrKlang/ik_IFileReader.h
2021-02-08 22:56:15 +01:00

51 lines
1.6 KiB
C++

// Copyright (C) 2002-2018 Nikolaus Gebhardt
// This file is part of the "irrKlang" library.
// For conditions of distribution and use, see copyright notice in irrKlang.h
#ifndef __I_IRRKLANG_READ_FILE_H_INCLUDED__
#define __I_IRRKLANG_READ_FILE_H_INCLUDED__
#include "ik_IRefCounted.h"
namespace irrklang
{
//! Interface providing read acess to a file.
class IFileReader : public virtual IRefCounted
{
public:
virtual ~IFileReader() {};
//! Reads an amount of bytes from the file.
//! \param buffer: Pointer to buffer where to read bytes will be written to.
//! \param sizeToRead: Amount of bytes to read from the file.
//! \return Returns how much bytes were read.
virtual ik_s32 read(void* buffer, ik_u32 sizeToRead) = 0;
//! Changes position in file, returns true if successful.
//! \param finalPos: Destination position in the file.
//! \param relativeMovement: If set to true, the position in the file is
//! changed relative to current position. Otherwise the position is changed
//! from beginning of file.
//! \return Returns true if successful, otherwise false.
virtual bool seek(ik_s32 finalPos, bool relativeMovement = false) = 0;
//! Returns size of file.
//! \return Returns the size of the file in bytes.
virtual ik_s32 getSize() = 0;
//! Returns the current position in the file.
//! \return Returns the current position in the file in bytes.
virtual ik_s32 getPos() = 0;
//! Returns name of file.
//! \return Returns the file name as zero terminated character string.
virtual const ik_c8* getFileName() = 0;
};
} // end namespace irrklang
#endif