50 lines
1.1 KiB
Plaintext
50 lines
1.1 KiB
Plaintext
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//===========================================================================
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//
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// BITS.HPP
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//
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// Author: Graeme Webb
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// Created: 3rd August 1996
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// Project: General C++ Library
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// Purpose: Bit stream declarations
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//
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// Copyright (c) 1996 Graeme Webb
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//
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//===========================================================================
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// Revision history:
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//===========================================================================
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#ifndef __BITS_HPP__
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#define __BITS_HPP__
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//===========================================================================
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#include <gtypes.h>
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//===========================================================================
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class BitStream
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{
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byte * baseptr;
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byte * currptr;
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ulong bitpos;
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byte mask;
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void IncCurPtr(void);
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public:
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BitStream(byte *ptr);
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~BitStream();
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void PutBit(uint bit);
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void PutBits(ulong bits, uint len);
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uint GetBit();
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ulong GetBits(uint len);
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void Align(uint bytes=1);
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byte *CurrPtr() { return currptr; }
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ulong BitLength() { return bitpos; }
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ulong ByteLength() { return (bitpos+7)/8; }
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};
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//===========================================================================
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#endif
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