/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ /* * This file is part of the LibreOffice project. * * This Source Code Form is subject to the terms of the Mozilla Public * License, v. 2.0. If a copy of the MPL was not distributed with this * file, You can obtain one at http://mozilla.org/MPL/2.0/. * * This file incorporates work covered by the following license notice: * * Licensed to the Apache Software Foundation (ASF) under one or more * contributor license agreements. See the NOTICE file distributed * with this work for additional information regarding copyright * ownership. The ASF licenses this file to you under the Apache * License, Version 2.0 (the "License"); you may not use this file * except in compliance with the License. You may obtain a copy of * the License at http://www.apache.org/licenses/LICENSE-2.0 . */ #ifndef INCLUDED_O3TL_ENUMRANGE_HXX #define INCLUDED_O3TL_ENUMRANGE_HXX namespace o3tl { /// /// This is a container convenience class iterating over scoped enumerations. /// /// This assumes that the 'enum class' definition /// - starts at zero /// - has no holes in its sequence of values /// - defines a value called LAST which refers to the greatest constant. /// /// Use like this: /// enum class COLOR { RED, GREEN, BLUE, LAST=BLUE }; /// for( auto e : o3tl::enumrange() ) /// ....; /// /// \param T the 'enum class' type. template< typename T> class enumrange { public: class Iterator { public: Iterator( int value ) : m_value( value ) { } T operator*( void ) const { return static_cast(m_value); } void operator++( void ) { ++m_value; } bool operator!=( Iterator rhs ) const { return m_value != rhs.m_value; } private: int m_value; }; }; template< typename T > typename enumrange::Iterator begin( enumrange ) { return typename enumrange::Iterator( int(0) ); } template< typename T > typename enumrange::Iterator end( enumrange ) { return typename enumrange::Iterator( static_cast(T::LAST) + 1 ); } }; // namespace o3tl #endif /* INCLUDED_O3TL_ENUMRANGE_HXX */ /* vim:set shiftwidth=4 softtabstop=4 expandtab: */ ption value='distro/collabora/co-2021'>distro/collabora/co-2021 LibreOffice 核心代码仓库文档基金会
summaryrefslogtreecommitdiff
AgeCommit message (Expand)Author
2013-06-03re-base on ALv2 code. Includes:Michael Meeks