/usr/include/camp/detail/callhelper.hpp is in libcamp0.7-dev 0.7.1.1-1.
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**
** Copyright (C) 2009-2010 TECHNOGERMA Systems France and/or its subsidiary(-ies).
** Contact: Technogerma Systems France Information (contact@technogerma.fr)
**
** This file is part of the CAMP library.
**
** CAMP is free software: you can redistribute it and/or modify
** it under the terms of the GNU Lesser General Public License as published by
** the Free Software Foundation, either version 3 of the License, or
** (at your option) any later version.
**
** CAMP is distributed in the hope that it will be useful,
** but WITHOUT ANY WARRANTY; without even the implied warranty of
** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
** GNU Lesser General Public License for more details.
**
** You should have received a copy of the GNU Lesser General Public License
** along with CAMP. If not, see <http://www.gnu.org/licenses/>.
**
****************************************************************************/
#ifndef CAMP_DETAIL_CALLHELPER_HPP
#define CAMP_DETAIL_CALLHELPER_HPP
#include <camp/value.hpp>
namespace camp
{
namespace detail
{
/**
* \class CallHelper
*
* \brief Helper structure used to make a function call and return the result as a camp::Value.
*
* This structure is necessary because we need a specific code for functions returning void.
*/
/*
* Generic version of CallHelper
*/
template <typename R, typename C>
struct CallHelper
{
template <typename F>
static Value call(F func, C obj) {return func(obj);}
template <typename F, typename A0>
static Value call(F func, C obj, A0 a0) {return func(obj, a0);}
template <typename F, typename A0, typename A1>
static Value call(F func, C obj, A0 a0, A1 a1) {return func(obj, a0, a1);}
template <typename F, typename A0, typename A1, typename A2>
static Value call(F func, C obj, A0 a0, A1 a1, A2 a2) {return func(obj, a0, a1, a2);}
template <typename F, typename A0, typename A1, typename A2, typename A3>
static Value call(F func, C obj, A0 a0, A1 a1, A2 a2, A3 a3) {return func(obj, a0, a1, a2, a3);}
template <typename F, typename A0, typename A1, typename A2, typename A3, typename A4>
static Value call(F func, C obj, A0 a0, A1 a1, A2 a2, A3 a3, A4 a4) {return func(obj, a0, a1, a2, a3, a4);}
};
/*
* Specialization of CallHelper for functions returning void
*/
template <typename C>
struct CallHelper<void, C>
{
template <typename F>
static Value call(F func, C obj) {func(obj); return Value::nothing;}
template <typename F, typename A0>
static Value call(F func, C obj, A0 a0) {func(obj, a0); return Value::nothing;}
template <typename F, typename A0, typename A1>
static Value call(F func, C obj, A0 a0, A1 a1) {func(obj, a0, a1); return Value::nothing;}
template <typename F, typename A0, typename A1, typename A2>
static Value call(F func, C obj, A0 a0, A1 a1, A2 a2) {func(obj, a0, a1, a2); return Value::nothing;}
template <typename F, typename A0, typename A1, typename A2, typename A3>
static Value call(F func, C obj, A0 a0, A1 a1, A2 a2, A3 a3) {func(obj, a0, a1, a2, a3); return Value::nothing;}
template <typename F, typename A0, typename A1, typename A2, typename A3, typename A4>
static Value call(F func, C obj, A0 a0, A1 a1, A2 a2, A3 a3, A4 a4) {func(obj, a0, a1, a2, a3, a4); return Value::nothing;}
};
} // namespace detail
} // namespace camp
#endif // CAMP_DETAIL_CALLHELPER_HPP
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