mirror of
https://github.com/alliedmodders/hl2sdk.git
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63 lines
1.9 KiB
C++
63 lines
1.9 KiB
C++
//===== Copyright © 1996-2005, Valve Corporation, All rights reserved. ======//
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//
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// Purpose:
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//
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// $NoKeywords: $
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//
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//===========================================================================//
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#ifndef UTLSTRINGTOKEN_H
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#define UTLSTRINGTOKEN_H
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#ifdef _WIN32
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#pragma once
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#endif
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#include <limits.h>
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#include "tier1/generichash.h"
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#define STRINGTOKEN_MURMURHASH_SEED 0x31415926
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class CUtlString;
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class IFormatOutputStream;
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class CFormatStringElement;
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// AMNOTE: See VStringTokenSystem001
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// Interact with stringtokendatabase.txt
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PLATFORM_INTERFACE bool g_bUpdateStringTokenDatabase;
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PLATFORM_INTERFACE void RegisterStringToken( uint32 nHashCode, const char *pStart, const char *pEnd = NULL, bool bExtraAddToDatabase = true );
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class CUtlStringToken
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{
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public:
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FORCEINLINE CUtlStringToken( uint32 nHashCode = 0 ) : m_nHashCode( nHashCode ) {}
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FORCEINLINE CUtlStringToken( const char *str ) : m_nHashCode( MurmurHash2LowerCase( str, STRINGTOKEN_MURMURHASH_SEED ) )
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{
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if(g_bUpdateStringTokenDatabase)
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{
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RegisterStringToken( m_nHashCode, str, 0, true );
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}
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}
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FORCEINLINE bool operator==( CUtlStringToken const &other ) const { return ( other.m_nHashCode == m_nHashCode ); }
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FORCEINLINE bool operator!=( CUtlStringToken const &other ) const { return !operator==( other ); }
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FORCEINLINE bool operator<( CUtlStringToken const &other ) const { return ( m_nHashCode < other.m_nHashCode ); }
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FORCEINLINE bool IsValid() const { return m_nHashCode != 0; }
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FORCEINLINE uint32 GetHashCode() const { return m_nHashCode; }
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FORCEINLINE void SetHashCode( uint32 hash ) { m_nHashCode = hash; }
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DLL_CLASS_IMPORT void FormatTo( IFormatOutputStream* pOutputStream, CFormatStringElement pElement ) const;
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DLL_CLASS_IMPORT static bool TrackTokenCreation( const char *s1, const char *s2 );
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private:
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uint32 m_nHashCode;
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};
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FORCEINLINE CUtlStringToken MakeStringToken( const char *str )
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{
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return CUtlStringToken( str );
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}
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#endif // UTLSTRINGTOKEN_H
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