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57 lines
2.3 KiB
57 lines
2.3 KiB
//========= Copyright 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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#ifndef VSTDLIB_IKEYVALUESSYSTEM_H |
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#define VSTDLIB_IKEYVALUESSYSTEM_H |
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#ifdef _WIN32 |
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#pragma once |
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#endif |
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#include "vstdlib/vstdlib.h" |
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// handle to a KeyValues key name symbol |
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typedef intp HKeySymbol; |
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#define INVALID_KEY_SYMBOL (HKeySymbol)(-1) |
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class IBaseFileSystem; |
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class KeyValues; |
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//----------------------------------------------------------------------------- |
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// Purpose: Interface to shared data repository for KeyValues (included in vgui_controls.lib) |
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// allows for central data storage point of KeyValues symbol table |
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//----------------------------------------------------------------------------- |
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class IKeyValuesSystem |
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{ |
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public: |
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// registers the size of the KeyValues in the specified instance |
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// so it can build a properly sized memory pool for the KeyValues objects |
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// the sizes will usually never differ but this is for versioning safety |
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virtual void RegisterSizeofKeyValues(int size) = 0; |
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// allocates/frees a KeyValues object from the shared mempool |
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virtual void *AllocKeyValuesMemory(int size) = 0; |
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virtual void FreeKeyValuesMemory(void *pMem) = 0; |
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// symbol table access (used for key names) |
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virtual HKeySymbol GetSymbolForString( const char *name, bool bCreate = true ) = 0; |
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virtual const char *GetStringForSymbol(HKeySymbol symbol) = 0; |
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// for debugging, adds KeyValues record into global list so we can track memory leaks |
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virtual void AddKeyValuesToMemoryLeakList(void *pMem, HKeySymbol name) = 0; |
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virtual void RemoveKeyValuesFromMemoryLeakList(void *pMem) = 0; |
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// maintain a cache of KeyValues we load from disk. This saves us quite a lot of time on app startup. |
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virtual void AddFileKeyValuesToCache( const KeyValues* _kv, const char *resourceName, const char *pathID ) = 0; |
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virtual bool LoadFileKeyValuesFromCache( KeyValues* _outKv, const char *resourceName, const char *pathID, IBaseFileSystem *filesystem ) const = 0; |
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virtual void InvalidateCache( ) = 0; |
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virtual void InvalidateCacheForFile( const char *resourceName, const char *pathID ) = 0; |
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}; |
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VSTDLIB_INTERFACE IKeyValuesSystem *KeyValuesSystem(); |
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// #define KEYVALUESSYSTEM_INTERFACE_VERSION "KeyValuesSystem002" |
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#endif // VSTDLIB_IKEYVALUESSYSTEM_H
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