94 lines
2.8 KiB
C++
94 lines
2.8 KiB
C++
////////////////////////////////////////////////////////////////////////////////
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//
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// Paella
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// Copyright (C) 2015 - Thomas FORGIONE, Emilie JALRAS, Marion LENFANT, Thierry MALON, Amandine PAILLOUX
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// Authors :
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// Thomas FORGIONE
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// Emilie JALRAS
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// Marion LENFANT
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// Thierry MALON
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// Amandine PAILLOUX
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//
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// This file is part of the project Paella
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// This software is provided 'as-is', without any express or implied warranty.
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// In no event will the authors be held liable for any damages arising from the use of this software.
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//
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// Permission is granted to anyone to use this software for any purpose,
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// including commercial applications, and to alter it and redistribute it freely,
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// subject to the following restrictions:
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//
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// 1. The origin of this software must not be misrepresented;
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// you must not claim that you wrote the original software.
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// If you use this software in a product, an acknowledgment
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// in the product documentation would be appreciated but is not required.
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//
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// 2. Altered source versions must be plainly marked as such,
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// and must not be misrepresented as being the original software.
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//
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// 3. This notice may not be removed or altered from any source distribution.
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////////////////////////////////////////////////////////////////////////////////
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#include <iostream>
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#include "TupleFunctions.hpp"
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namespace pae
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{
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namespace detail
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{
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template<std::size_t I, std::size_t J, typename... Types>
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struct loadFromStreamHelper
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{
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void operator()(std::tuple<Types...>& tuple, std::stringstream& stream)
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{
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stream >> std::get<J>(tuple);
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loadFromStreamHelper<I-1,J+1,Types...>{}(tuple, stream);
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}
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};
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template<std::size_t J, typename... Types>
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struct loadFromStreamHelper<0,J,Types...>
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{
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void operator()(std::tuple<Types...>& tuple, std::stringstream& stream)
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{
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// Nothing to do here
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}
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};
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template<typename... Types>
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void loadFromStream(std::tuple<Types...>& tuple, std::stringstream& stream)
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{
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loadFromStreamHelper<std::tuple_size<std::tuple<Types...>>::value, 0, Types...>{}(tuple, stream);
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}
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template<std::size_t I, std::size_t J, typename... Types>
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struct printHelper
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{
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std::ostream& operator()(std::ostream& out, std::tuple<Types...> const& tuple)
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{
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out << std::get<J>(tuple) << " ";
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return printHelper<I-1,J+1,Types...>{}(out, tuple);
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}
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};
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template<std::size_t J, typename... Types>
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struct printHelper<0,J,Types...>
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{
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std::ostream& operator()(std::ostream& out, std::tuple<Types...> const& tuple)
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{
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// Nothing to do here
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return out;
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}
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};
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template<typename... Types>
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std::ostream& operator<<(std::ostream& out, std::tuple<Types...> const& tuple)
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{
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return printHelper<std::tuple_size<std::tuple<Types...>>::value,0,Types...>{}(out, tuple);
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}
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} // namespace detail
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} // namespace pae
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