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54 lines
1.0 KiB
C++
54 lines
1.0 KiB
C++
/*
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* CStream.h, part of VCMI engine
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*
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* Authors: listed in file AUTHORS in main folder
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*
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* License: GNU General Public License v2.0 or later
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* Full text of license available in license.txt file, in main folder
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*
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*/
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#pragma once
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VCMI_LIB_NAMESPACE_BEGIN
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class DLL_LINKAGE CStream : private boost::noncopyable
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{
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public:
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/**
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* D-tor.
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*/
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virtual ~CStream() {}
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/**
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* Seeks to the specified position.
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*
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* @param position The position from the beginning.
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* @return the position actually moved to, -1 on error.
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*/
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virtual si64 seek(si64 position) = 0;
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/**
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* Gets the current position in the stream.
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*
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* @return the position.
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*/
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virtual si64 tell() = 0;
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/**
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* Relative seeks to the specified position.
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*
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* @param delta The count of bytes to seek from current position.
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* @return the count of bytes skipped actually.
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*/
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virtual si64 skip(si64 delta) = 0;
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/**
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* Gets the length of the stream.
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*
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* @return the length in bytes
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*/
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virtual si64 getSize() = 0;
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};
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VCMI_LIB_NAMESPACE_END
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