diff -r cce62ebc198e -r 93c594350b9a radioapp/radioenginewrapper/inc/radioenummapper.h --- a/radioapp/radioenginewrapper/inc/radioenummapper.h Tue Aug 31 15:15:02 2010 +0300 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,131 +0,0 @@ -/* -* Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies). -* All rights reserved. -* This component and the accompanying materials are made available -* under the terms of "Eclipse Public License v1.0" -* which accompanies this distribution, and is available -* at the URL "http://www.eclipse.org/legal/epl-v10.html". -* -* Initial Contributors: -* Nokia Corporation - initial contribution. -* -* Contributors: -* -* Description: -* -*/ - -#ifndef RADIOENUMMAPPER_H_ -#define RADIOENUMMAPPER_H_ - -/*! - * Convenience macros to help define enum maps. - * Note! It is important to define the values so that the UI value is on the left - * and the engine value is on the right. The lookup functions expect them in this order. - * - * Example: - * BEGIN_ENUM_MAP( KSomeMap ) - * ENUM_MAP_ITEM( UiNamespace::UiValue1, EngineNamespace::EEngineValue1 ), - * ENUM_MAP_ITEM( UiNamespace::UiValue2, EngineNamespace::EEngineValue2 ) - * END_ENUM_MAP( KSomeMap ) - */ -#define BEGIN_ENUM_MAP(name) const RadioEnumMapper::EnumMap name[] = { -#define ENUM_MAP_ITEM(ui_enum, engine_enum ) { ui_enum, engine_enum } -#define END_ENUM_MAP(name) }; const int name ## Count = sizeof ( name ) / sizeof ( name[0] ); - -/*! - * Convenience macros to do the mappings - */ -#define MAP_FROM_UI_ENUM(type,uienum, map) RadioEnumMapper::FromUiEnum( uienum, map, map ## Count ) -#define MAP_TO_UI_ENUM(type,uienum, map) RadioEnumMapper::ToUiEnum( uienum, map, map ## Count ) - -class RadioEnumMapper -{ -public: - - /*! - * Item in the enum map. Ties a value in the UI enum to its correspondent in the engine enum - */ - struct EnumMap - { - int iUiEnum; - int iEngineEnum; - }; - - /*! - * Maps engine enum value to its ui correspondent. - * - * @param aValue Enum value in the engine - * @param aMap Enum value map - * @param aCount Amount of items in the map - * @return Enum value in the ui - */ - template - inline static UI_ENUM ToUiEnum( ENGINE_ENUM aValue, const EnumMap* aMap, int aCount ) - { - return static_cast( MapToUiEnum( aValue, aMap, aCount ) ); - } - - /*! - * Maps ui enum value to its engine correspondent. - * - * @param aValue Enum value in the Ui - * @param aMap Enum value map - * @param aCount Amount of items in the map - * @return Enum value in the engine - */ - template - inline static ENGINE_ENUM FromUiEnum( UI_ENUM aValue, const EnumMap* aMap, int aCount ) - { - return static_cast( MapFromUiEnum( aValue, aMap, aCount ) ); - } - -private: - - /*! - * Maps engine enum value to its ui correspondent. - * Type-unsafe version. Not to be used directly! - * - * @param aValue Enum value in the engine - * @param aMap Enum value map - * @param aCount Amount of items in the map - * @return Enum value in the ui - */ - static int MapToUiEnum( int aValue, const EnumMap* aMap, int aCount ) - { - for ( int i = 0; i < aCount; ++i ) { - if ( aMap[i].iUiEnum == aValue ) { - return aMap[i].iEngineEnum; - } - } - return -1; - } - - /*! - * Maps ui enum value to its engine correspondent. - * Type-unsafe version. Not to be used directly! - * - * @param aValue Enum value in the Ui - * @param aMap Enum value map - * @param aCount Amount of items in the map - * @return Enum value in the engine - */ - static int MapFromUiEnum( int aValue, const EnumMap* aMap, int aCount ) - { - for ( int i = 0; i < aCount; ++i ) { - if ( aMap[i].iEngineEnum == aValue ) { - return aMap[i].iUiEnum; - } - } - return -1; - } - - /* - * Hidden constructor and destructor to prevent instantiation - */ - RadioEnumMapper() {} - ~RadioEnumMapper() {} - -}; - -#endif // RADIOENUMMAPPER_H_