88 lines
4.1 KiB
C++
88 lines
4.1 KiB
C++
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// Copyright (c) 2016-2018 Easy2D - Nomango
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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// THE SOFTWARE.
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#pragma once
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#include <functional>
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#define CLOSURE_PARAMS_TYPE_1 typename Param1
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#define CLOSURE_PARAMS_1 Param1
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#define CLOSURE_PLACEHOLDERS_1 std::placeholders::_1
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#define CLOSURE_PARAMS_TYPE_2 typename Param1, typename Param2
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#define CLOSURE_PARAMS_2 Param1, Param2
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#define CLOSURE_PLACEHOLDERS_2 std::placeholders::_1, std::placeholders::_2
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#define CLOSURE_PARAMS_TYPE_3 typename Param1, typename Param2, typename Param3
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#define CLOSURE_PARAMS_3 Param1, Param2, Param3
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#define CLOSURE_PLACEHOLDERS_3 std::placeholders::_1, std::placeholders::_2, std::placeholders::_3
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#define CLOSURE_PARAMS_TYPE_4 typename Param1, typename Param2, typename Param3, typename Param4
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#define CLOSURE_PARAMS_4 Param1, Param2, Param3, Param4
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#define CLOSURE_PLACEHOLDERS_4 std::placeholders::_1, std::placeholders::_2, std::placeholders::_3, std::placeholders::_4
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#define CLOSURE_PARAMS_TYPE_5 typename Param1, typename Param2, typename Param3, typename Param4, typename Param5
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#define CLOSURE_PARAMS_5 Param1, Param2, Param3, Param4, Param5
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#define CLOSURE_PLACEHOLDERS_5 std::placeholders::_1, std::placeholders::_2, std::placeholders::_3, std::placeholders::_4, std::placeholders::_5
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#define CLOSURE_PARAMS_TYPE_6 typename Param1, typename Param2, typename Param3, typename Param4, typename Param5, typename Param6
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#define CLOSURE_PARAMS_6 Param1, Param2, Param3, Param4, Param5, Param6
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#define CLOSURE_PLACEHOLDERS_6 std::placeholders::_1, std::placeholders::_2, std::placeholders::_3, std::placeholders::_4, std::placeholders::_5, std::placeholders::_6
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#define CLOSURE_EXPAND(x) x
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#define CLOSURE_DECLARE(TYPE, PARAMS, PHS)\
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template<typename T, typename R, CLOSURE_EXPAND(TYPE)>\
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inline std::function<R(CLOSURE_EXPAND(PARAMS))> Closure(T* ptr, R(T::*func)(CLOSURE_EXPAND(PARAMS)))\
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{\
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return std::bind(func, ptr, CLOSURE_EXPAND(PHS));\
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}
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namespace easy2d
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{
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template<typename T, typename R>
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inline std::function<R(void)> Closure(T* ptr, R(T::*func)(void))
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{
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return std::bind(func, ptr);
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}
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CLOSURE_DECLARE(CLOSURE_PARAMS_TYPE_1, CLOSURE_PARAMS_1, CLOSURE_PLACEHOLDERS_1);
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CLOSURE_DECLARE(CLOSURE_PARAMS_TYPE_2, CLOSURE_PARAMS_2, CLOSURE_PLACEHOLDERS_2);
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CLOSURE_DECLARE(CLOSURE_PARAMS_TYPE_3, CLOSURE_PARAMS_3, CLOSURE_PLACEHOLDERS_3);
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CLOSURE_DECLARE(CLOSURE_PARAMS_TYPE_4, CLOSURE_PARAMS_4, CLOSURE_PLACEHOLDERS_4);
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CLOSURE_DECLARE(CLOSURE_PARAMS_TYPE_5, CLOSURE_PARAMS_5, CLOSURE_PLACEHOLDERS_5);
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CLOSURE_DECLARE(CLOSURE_PARAMS_TYPE_6, CLOSURE_PARAMS_6, CLOSURE_PLACEHOLDERS_6);
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}
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#undef CLOSURE_PARAMS_TYPE_1
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#undef CLOSURE_PARAMS_1
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#undef CLOSURE_PLACEHOLDERS_1
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#undef CLOSURE_PARAMS_TYPE_2
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#undef CLOSURE_PARAMS_2
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#undef CLOSURE_PLACEHOLDERS_2
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#undef CLOSURE_PARAMS_TYPE_3
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#undef CLOSURE_PARAMS_3
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#undef CLOSURE_PLACEHOLDERS_3
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#undef CLOSURE_PARAMS_TYPE_4
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#undef CLOSURE_PARAMS_4
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#undef CLOSURE_PLACEHOLDERS_4
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#undef CLOSURE_PARAMS_TYPE_5
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#undef CLOSURE_PARAMS_5
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#undef CLOSURE_PLACEHOLDERS_5
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#undef CLOSURE_PARAMS_TYPE_6
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#undef CLOSURE_PARAMS_6
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#undef CLOSURE_PLACEHOLDERS_6
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#undef CLOSURE_EXPAND
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#undef CLOSURE_DECLARE
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