mirror of
https://github.com/vcmi/vcmi.git
synced 2024-12-18 17:40:48 +02:00
50 lines
987 B
C++
50 lines
987 B
C++
/*
|
|
* CStream.h, part of VCMI engine
|
|
*
|
|
* Authors: listed in file AUTHORS in main folder
|
|
*
|
|
* License: GNU General Public License v2.0 or later
|
|
* Full text of license available in license.txt file, in main folder
|
|
*
|
|
*/
|
|
#pragma once
|
|
|
|
class DLL_LINKAGE CStream : private boost::noncopyable
|
|
{
|
|
public:
|
|
/**
|
|
* D-tor.
|
|
*/
|
|
virtual ~CStream() {}
|
|
|
|
/**
|
|
* Seeks to the specified position.
|
|
*
|
|
* @param position The position from the beginning.
|
|
* @return the position actually moved to, -1 on error.
|
|
*/
|
|
virtual si64 seek(si64 position) = 0;
|
|
|
|
/**
|
|
* Gets the current position in the stream.
|
|
*
|
|
* @return the position.
|
|
*/
|
|
virtual si64 tell() = 0;
|
|
|
|
/**
|
|
* Relative seeks to the specified position.
|
|
*
|
|
* @param delta The count of bytes to seek from current position.
|
|
* @return the count of bytes skipped actually.
|
|
*/
|
|
virtual si64 skip(si64 delta) = 0;
|
|
|
|
/**
|
|
* Gets the length of the stream.
|
|
*
|
|
* @return the length in bytes
|
|
*/
|
|
virtual si64 getSize() = 0;
|
|
};
|