mirror of
https://github.com/alliedmodders/hl2sdk.git
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108 lines
2.3 KiB
C++
108 lines
2.3 KiB
C++
//====== Copyright © 1996-2004, Valve Corporation, All rights reserved. =======
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//
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// Purpose:
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//
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//=============================================================================
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#ifndef UTLBINARYBLOCK_H
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#define UTLBINARYBLOCK_H
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#ifdef _WIN32
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#pragma once
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#endif
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#include "tier1/utlmemory.h"
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#include "tier1/strtools.h"
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#include "limits.h"
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//-----------------------------------------------------------------------------
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// Base class, containing simple memory management
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//-----------------------------------------------------------------------------
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class CUtlBinaryBlock
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{
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public:
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CUtlBinaryBlock( int growSize = 0, int initSize = 0 );
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// NOTE: nInitialLength indicates how much of the buffer starts full
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CUtlBinaryBlock( void* pMemory, int nSizeInBytes, int nInitialLength );
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CUtlBinaryBlock( const void* pMemory, int nSizeInBytes );
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CUtlBinaryBlock( const CUtlBinaryBlock& src );
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void Get( void *pValue, int nMaxLen ) const;
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void Set( const void *pValue, int nLen );
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const void *Get( ) const;
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void *Get( );
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unsigned char& operator[]( int i );
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const unsigned char& operator[]( int i ) const;
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int Length() const;
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void SetLength( int nLength ); // Undefined memory will result
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bool IsEmpty() const;
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void Clear();
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void Purge();
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bool IsReadOnly() const;
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CUtlBinaryBlock &operator=( const CUtlBinaryBlock &src );
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// Test for equality
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bool operator==( const CUtlBinaryBlock &src ) const;
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private:
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CUtlMemory<unsigned char> m_Memory;
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int m_nActualLength;
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};
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//-----------------------------------------------------------------------------
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// class inlines
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//-----------------------------------------------------------------------------
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inline const void *CUtlBinaryBlock::Get( ) const
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{
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return m_Memory.Base();
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}
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inline void *CUtlBinaryBlock::Get( )
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{
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return m_Memory.Base();
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}
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inline int CUtlBinaryBlock::Length() const
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{
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return m_nActualLength;
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}
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inline unsigned char& CUtlBinaryBlock::operator[]( int i )
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{
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return m_Memory[i];
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}
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inline const unsigned char& CUtlBinaryBlock::operator[]( int i ) const
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{
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return m_Memory[i];
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}
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inline bool CUtlBinaryBlock::IsReadOnly() const
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{
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return m_Memory.IsReadOnly();
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}
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inline bool CUtlBinaryBlock::IsEmpty() const
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{
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return Length() == 0;
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}
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inline void CUtlBinaryBlock::Clear()
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{
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SetLength( 0 );
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}
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inline void CUtlBinaryBlock::Purge()
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{
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SetLength( 0 );
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m_Memory.Purge();
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}
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#endif // UTLBINARYBLOCK_H
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