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public/iregistry.h

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+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: 
+//
+// $NoKeywords: $
+//===========================================================================//
+#if !defined( UTIL_REGISTRY_H )
+#define UTIL_REGISTRY_H
+#ifdef _WIN32
+#pragma once
+#endif
+
+#include "tier0/platform.h"
+
+
+//-----------------------------------------------------------------------------
+// Purpose: Interface to registry
+//-----------------------------------------------------------------------------
+abstract_class IRegistry
+{
+public:
+	// We have to have a virtual destructor since otherwise the derived class destructors
+	// will not be called.
+	virtual ~IRegistry() {}
+
+	// Init/shutdown
+	virtual bool			Init( const char *platformName ) = 0;
+	virtual void			Shutdown( void ) = 0;
+
+	// Read/write integers
+	virtual int				ReadInt( const char *key, int defaultValue = 0 ) = 0;
+	virtual void			WriteInt( const char *key, int value ) = 0;
+
+	// Read/write strings
+	virtual const char		*ReadString( const char *key, const char *defaultValue = 0 ) = 0;
+	virtual void			WriteString( const char *key, const char *value ) = 0;
+
+	// Read/write helper methods
+	virtual int				ReadInt( const char *pKeyBase, const char *pKey, int defaultValue = 0 ) = 0;
+	virtual void			WriteInt( const char *pKeyBase, const char *key, int value ) = 0;
+	virtual const char		*ReadString( const char *pKeyBase, const char *key, const char *defaultValue ) = 0;
+	virtual void			WriteString( const char *pKeyBase, const char *key, const char *value ) = 0;
+};
+
+extern IRegistry *registry;
+
+// Creates it and calls Init
+IRegistry *InstanceRegistry( char const *subDirectoryUnderValve );
+// Calls Shutdown and deletes it
+void ReleaseInstancedRegistry( IRegistry *reg );
+
+#endif // UTIL_REGISTRY_H