enumrange.hxx

Go to the documentation of this file.

/* -*- 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 {
 
template< typename T>
class enumrange
{
public:
    class Iterator
    {
    public:
        Iterator( int value ) :
            m_value( value )
        {
        }
 
        T operator*( void ) const
        {
            return static_cast<T>(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<T>::Iterator begin( enumrange<T> )
{
    return typename enumrange<T>::Iterator( int(0) );
}
 
template< typename T >
typename enumrange<T>::Iterator end( enumrange<T> )
{
    return typename enumrange<T>::Iterator( static_cast<int>(T::LAST) + 1 );
}
 
}; // namespace o3tl
 
#endif /* INCLUDED_O3TL_ENUMRANGE_HXX */
 
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */