r5sdk/r5dev/public/ikeyvaluessystem.h
2022-11-27 22:13:47 +01:00

55 lines
2.3 KiB
C++

//====== Copyright © 1996-2005, Valve Corporation, All rights reserved. =======//
//
// Purpose:
//
// $NoKeywords: $
//=============================================================================//
#ifndef VSTDLIB_IKEYVALUESSYSTEM_H
#define VSTDLIB_IKEYVALUESSYSTEM_H
#ifdef _WIN32
#pragma once
#endif
//#include "vstdlib/vstdlib.h"
// handle to a KeyValues key name symbol
typedef int HKeySymbol;
#define INVALID_KEY_SYMBOL (-1)
//-----------------------------------------------------------------------------
// Purpose: Interface to shared data repository for KeyValues (included in vgui_controls.lib)
// allows for central data storage point of KeyValues symbol table
//-----------------------------------------------------------------------------
class IKeyValuesSystem
{
public:
// registers the size of the KeyValues in the specified instance
// so it can build a properly sized memory pool for the KeyValues objects
// the sizes will usually never differ but this is for versioning safety
virtual void RegisterSizeofKeyValues( int64 nSize ) = 0;
// allocates/frees a KeyValues object from the shared mempool
virtual void *AllocKeyValuesMemory( int64 nSize ) = 0;
virtual void FreeKeyValuesMemory( void *pMem ) = 0;
// symbol table access (used for key names)
virtual HKeySymbol GetSymbolForString( const char *pName, bool bCreate = true ) = 0;
virtual const char *GetStringForSymbol( HKeySymbol symbol ) = 0;
// for debugging, adds KeyValues record into global list so we can track memory leaks
virtual void AddKeyValuesToMemoryLeakList( void *pMem, HKeySymbol name ) = 0;
virtual void RemoveKeyValuesFromMemoryLeakList( void *pMem ) = 0;
// Returns the globally allocated keyvalues memory pool.
virtual void *GetKeyValuesMemory( void ) = 0;
// set/get a value for keyvalues resolution symbol
// e.g.: SetKeyValuesExpressionSymbol( "LOWVIOLENCE", true ) - enables [$LOWVIOLENCE]
virtual void SetKeyValuesExpressionSymbol( const char *pName, bool bValue ) = 0;
virtual bool GetKeyValuesExpressionSymbol( const char *pName ) = 0;
// symbol table access from code with case-preserving requirements (used for key names)
virtual HKeySymbol GetSymbolForStringCaseSensitive( HKeySymbol &hCaseInsensitiveSymbol, const char *pName, bool bCreate = true ) = 0;
};
#endif // VSTDLIB_IKEYVALUESSYSTEM_H