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/* -*- 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_SW_SOURCE_FILTER_WW8_NEEDED_CAST_HXX
#define INCLUDED_SW_SOURCE_FILTER_WW8_NEEDED_CAST_HXX
#include "staticassert.hxx"
namespace ww
{
template<typename Ret, typename Param> Ret checking_cast(Param in, Ret)
{
return static_cast<Ret>(in);
}
template<typename Ret> Ret checking_cast(Ret in, Ret)
{
OSL_ENSURE( false, "UnnecessaryCast" );
return in;
}
/*
needed_cast is the same as static_cast except that there will be a compile
time assert when NDEBUG is not defined and the in and out types are the
same. i.e. needed_cast catches unneccessary casts
*/
template<typename Ret, typename Param> Ret needed_cast(Param in)
{
/*
Massage a single argument and a ret value into two arguments to allow
a determination if the dest type is the same as the sourct type
*/
return checking_cast(in, Ret());
}
}
#endif
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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