2001-06-22 14:13:03 +00:00
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// Boost.Function library
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2001-06-21 16:19:33 +00:00
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// Copyright (C) 2001 Doug Gregor (gregod@cs.rpi.edu)
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//
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// Permission to copy, use, sell and distribute this software is granted
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// provided this copyright notice appears in all copies.
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// Permission to modify the code and to distribute modified code is granted
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// provided this copyright notice appears in all copies, and a notice
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// that the code was modified is included with the copyright notice.
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//
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// This software is provided "as is" without express or implied warranty,
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// and with no claim as to its suitability for any purpose.
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// For more information, see http://www.boost.org
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// William Kempf, Jesse Jones and Karl Nelson were all very helpful in the
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// design of this library.
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#ifndef BOOST_FUNCTION_HPP
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#define BOOST_FUNCTION_HPP
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#include <boost/function/function_base.hpp>
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#include <boost/function/function0.hpp>
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#include <boost/function/function1.hpp>
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#include <boost/function/function2.hpp>
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#include <boost/function/function3.hpp>
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#include <boost/function/function4.hpp>
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#include <boost/function/function5.hpp>
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#include <boost/function/function6.hpp>
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#include <boost/function/function7.hpp>
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#include <boost/function/function8.hpp>
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#include <boost/function/function9.hpp>
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#include <boost/function/function10.hpp>
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namespace boost {
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namespace detail {
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namespace function {
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// Choose the appropriate underlying implementation
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template<int Args> struct real_get_function_impl {};
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template<>
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struct real_get_function_impl<0>
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{
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template<
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typename R,
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typename T1,
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typename T2,
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typename T3,
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typename T4,
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typename T5,
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typename T6,
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typename T7,
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typename T8,
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typename T9,
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typename T10,
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2002-04-30 20:05:32 +00:00
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typename Policy,
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typename Mixin,
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typename Allocator
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2001-06-21 16:19:33 +00:00
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>
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struct params
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{
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typedef function0<R, Policy, Mixin, Allocator> type;
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};
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};
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template<>
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struct real_get_function_impl<1>
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{
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template<
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typename R,
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typename T1,
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typename T2,
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typename T3,
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typename T4,
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typename T5,
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typename T6,
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typename T7,
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typename T8,
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typename T9,
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typename T10,
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2002-04-30 20:05:32 +00:00
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typename Policy,
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typename Mixin,
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typename Allocator
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2001-06-21 16:19:33 +00:00
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>
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struct params
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{
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typedef function1<R, T1, Policy, Mixin, Allocator> type;
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};
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};
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template<>
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struct real_get_function_impl<2>
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{
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template<
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typename R,
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typename T1,
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typename T2,
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typename T3,
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typename T4,
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typename T5,
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typename T6,
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typename T7,
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typename T8,
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typename T9,
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typename T10,
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2002-04-30 20:05:32 +00:00
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typename Policy,
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typename Mixin,
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typename Allocator
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2001-06-21 16:19:33 +00:00
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>
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struct params
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{
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typedef function2<R, T1, T2, Policy, Mixin, Allocator> type;
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};
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};
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template<>
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struct real_get_function_impl<3>
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{
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template<
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typename R,
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typename T1,
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typename T2,
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typename T3,
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typename T4,
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typename T5,
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typename T6,
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typename T7,
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typename T8,
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typename T9,
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typename T10,
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2002-04-30 20:05:32 +00:00
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typename Policy,
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typename Mixin,
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typename Allocator
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2001-06-21 16:19:33 +00:00
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>
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struct params
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{
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typedef function3<R, T1, T2, T3, Policy, Mixin, Allocator> type;
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};
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};
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template<>
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struct real_get_function_impl<4>
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{
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template<
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typename R,
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typename T1,
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typename T2,
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typename T3,
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typename T4,
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typename T5,
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typename T6,
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typename T7,
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typename T8,
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typename T9,
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typename T10,
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2002-04-30 20:05:32 +00:00
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typename Policy,
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typename Mixin,
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typename Allocator
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2001-06-21 16:19:33 +00:00
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>
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struct params
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{
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typedef function4<R, T1, T2, T3, T4, Policy, Mixin, Allocator> type;
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};
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};
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template<>
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struct real_get_function_impl<5>
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{
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template<
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typename R,
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typename T1,
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typename T2,
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typename T3,
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typename T4,
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typename T5,
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typename T6,
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typename T7,
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typename T8,
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typename T9,
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typename T10,
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2002-04-30 20:05:32 +00:00
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typename Policy,
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typename Mixin,
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typename Allocator
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2001-06-21 16:19:33 +00:00
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>
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struct params
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{
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typedef function5<R, T1, T2, T3, T4, T5, Policy, Mixin, Allocator>
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type;
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};
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};
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template<>
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struct real_get_function_impl<6>
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{
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template<
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typename R,
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typename T1,
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typename T2,
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typename T3,
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typename T4,
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typename T5,
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typename T6,
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typename T7,
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typename T8,
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typename T9,
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typename T10,
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2002-04-30 20:05:32 +00:00
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typename Policy,
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typename Mixin,
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typename Allocator
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2001-06-21 16:19:33 +00:00
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>
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struct params
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{
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typedef function6<R, T1, T2, T3, T4, T5, T6, Policy, Mixin, Allocator>
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type;
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};
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};
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template<>
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struct real_get_function_impl<7>
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{
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template<
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typename R,
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typename T1,
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typename T2,
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typename T3,
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typename T4,
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typename T5,
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typename T6,
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typename T7,
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typename T8,
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typename T9,
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typename T10,
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2002-04-30 20:05:32 +00:00
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typename Policy,
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typename Mixin,
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typename Allocator
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2001-06-21 16:19:33 +00:00
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>
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struct params
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{
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typedef function7<R, T1, T2, T3, T4, T5, T6, T7, Policy, Mixin,
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Allocator> type;
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};
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};
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template<>
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struct real_get_function_impl<8>
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{
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template<
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typename R,
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typename T1,
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typename T2,
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typename T3,
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typename T4,
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typename T5,
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typename T6,
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typename T7,
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typename T8,
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typename T9,
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typename T10,
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2002-04-30 20:05:32 +00:00
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typename Policy,
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typename Mixin,
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typename Allocator
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2001-06-21 16:19:33 +00:00
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>
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struct params
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{
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typedef function8<R, T1, T2, T3, T4, T5, T6, T7, T8, Policy, Mixin,
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Allocator> type;
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};
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};
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template<>
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struct real_get_function_impl<9>
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{
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template<
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typename R,
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typename T1,
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typename T2,
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typename T3,
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typename T4,
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typename T5,
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typename T6,
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typename T7,
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typename T8,
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typename T9,
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typename T10,
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2002-04-30 20:05:32 +00:00
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typename Policy,
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typename Mixin,
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typename Allocator
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2001-06-21 16:19:33 +00:00
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>
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struct params
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{
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typedef function9<R, T1, T2, T3, T4, T5, T6, T7, T8, T9, Policy,
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Mixin, Allocator> type;
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};
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};
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template<>
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struct real_get_function_impl<10>
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{
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template<
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typename R,
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typename T1,
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typename T2,
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typename T3,
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typename T4,
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typename T5,
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typename T6,
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typename T7,
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typename T8,
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typename T9,
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typename T10,
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2002-04-30 20:05:32 +00:00
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typename Policy,
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typename Mixin,
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typename Allocator
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2001-06-21 16:19:33 +00:00
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>
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struct params
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{
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typedef function10<R, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10,
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Policy, Mixin, Allocator> type;
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};
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};
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template<
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typename R,
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typename T1,
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typename T2,
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typename T3,
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typename T4,
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typename T5,
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typename T6,
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typename T7,
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typename T8,
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typename T9,
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typename T10,
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typename Policy = empty_function_policy,
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typename Mixin = empty_function_mixin,
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typename Allocator = std::allocator<function_base>
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>
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struct get_function_impl
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{
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typedef typename real_get_function_impl<
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(count_used_args<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10>::value)
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>::template params<R, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10,
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Policy, Mixin, Allocator>::type
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type;
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};
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template<
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typename R,
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typename T1,
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typename T2,
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typename T3,
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typename T4,
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typename T5,
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typename T6,
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typename T7,
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typename T8,
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typename T9,
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typename T10,
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typename MyPolicy = empty_function_policy,
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typename MyMixin = empty_function_mixin,
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typename MyAllocator = std::allocator<function_base>
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>
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struct function_traits_builder
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{
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typedef typename get_function_impl<R, T1, T2, T3, T4, T5, T6, T7,
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T8, T9, T10, MyPolicy, MyMixin,
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MyAllocator>::type
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type;
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typedef MyPolicy policy_type;
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typedef MyMixin mixin_type;
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typedef MyAllocator allocator_type;
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#ifndef BOOST_NO_DEPENDENT_NESTED_DERIVATIONS
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template<typename Policy>
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struct policy :
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public function_traits_builder<R, T1, T2, T3, T4, T5, T6, T7, T8, T9,
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T10, Policy, mixin_type,
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allocator_type> {};
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template<typename Mixin>
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struct mixin :
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public function_traits_builder<R, T1, T2, T3, T4, T5, T6, T7, T8, T9,
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T10, policy_type, Mixin,
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allocator_type> {};
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template<typename Allocator>
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struct allocator :
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public function_traits_builder<R, T1, T2, T3, T4, T5, T6, T7, T8, T9,
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T10, policy_type, mixin_type,
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Allocator> {};
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#else
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template<typename Policy>
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struct policy
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{
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typedef typename function_traits_builder<R, T1, T2, T3, T4, T5, T6, T7,
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T8, T9, T10, Policy,
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mixin_type,
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allocator_type>::type
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type;
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};
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template<typename Mixin>
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struct mixin
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{
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typedef typename function_traits_builder<R, T1, T2, T3, T4, T5, T6, T7,
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T8, T9, T10, policy_type, Mixin,
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allocator_type>::type
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type;
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};
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template<typename Allocator>
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struct allocator
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{
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typedef typename function_traits_builder<R, T1, T2, T3, T4, T5, T6, T7,
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T8, T9, T10, policy_type,
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mixin_type, Allocator>::type
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type;
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};
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#endif
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};
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} // end namespace function
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} // end namespace detail
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template<
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typename R,
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typename T1 = detail::function::unusable,
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typename T2 = detail::function::unusable,
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typename T3 = detail::function::unusable,
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typename T4 = detail::function::unusable,
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typename T5 = detail::function::unusable,
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typename T6 = detail::function::unusable,
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typename T7 = detail::function::unusable,
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typename T8 = detail::function::unusable,
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typename T9 = detail::function::unusable,
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typename T10 = detail::function::unusable
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>
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|
|
class function :
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|
public detail::function::get_function_impl<R, T1, T2, T3, T4, T5, T6, T7,
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|
|
|
T8, T9, T10>::type,
|
|
|
|
|
public detail::function::function_traits_builder<R, T1, T2, T3, T4, T5, T6,
|
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|
|
|
T7, T8, T9, T10>
|
|
|
|
|
{
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|
|
typedef typename detail::function::get_function_impl<R, T1, T2, T3, T4, T5,
|
|
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|
|
T6, T7, T8, T9, T10
|
|
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|
>::type
|
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|
|
base_type;
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|
public:
|
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|
|
typedef typename base_type::policy_type policy_type;
|
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|
|
typedef typename base_type::mixin_type mixin_type;
|
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|
|
|
typedef typename base_type::allocator_type allocator_type;
|
|
|
|
|
typedef function self_type;
|
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|
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|
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|
|
function() : base_type() {}
|
|
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|
|
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|
|
template<typename Functor>
|
2001-12-24 17:10:47 +00:00
|
|
|
function(Functor BOOST_FUNCTION_TARGET_FIX(const &) f) : base_type(f) {}
|
2001-06-29 19:33:29 +00:00
|
|
|
|
2001-07-14 19:34:14 +00:00
|
|
|
function(const self_type& f) : base_type(static_cast<const base_type&>(f)){}
|
2001-06-29 19:33:29 +00:00
|
|
|
|
|
|
|
|
template<typename Functor>
|
2001-12-24 17:10:47 +00:00
|
|
|
self_type& operator=(Functor BOOST_FUNCTION_TARGET_FIX(const &) f)
|
2001-06-29 19:33:29 +00:00
|
|
|
{
|
2001-07-14 19:34:14 +00:00
|
|
|
self_type(f).swap(*this);
|
2001-06-29 19:33:29 +00:00
|
|
|
return *this;
|
|
|
|
|
}
|
|
|
|
|
|
2001-07-14 19:34:14 +00:00
|
|
|
self_type& operator=(const base_type& f)
|
2001-06-29 19:33:29 +00:00
|
|
|
{
|
2001-07-14 19:34:14 +00:00
|
|
|
self_type(f).swap(*this);
|
2001-06-29 19:33:29 +00:00
|
|
|
return *this;
|
|
|
|
|
}
|
|
|
|
|
|
2001-12-05 22:35:32 +00:00
|
|
|
self_type& operator=(const self_type& f)
|
2001-06-21 16:19:33 +00:00
|
|
|
{
|
2001-07-14 19:34:14 +00:00
|
|
|
self_type(f).swap(*this);
|
2001-12-24 17:10:47 +00:00
|
|
|
return *this;
|
|
|
|
|
}
|
2001-06-21 16:19:33 +00:00
|
|
|
|
2001-06-29 19:33:29 +00:00
|
|
|
template<typename Functor>
|
2001-12-24 17:10:47 +00:00
|
|
|
void set(Functor BOOST_FUNCTION_TARGET_FIX(const &) f)
|
2001-06-21 16:19:33 +00:00
|
|
|
{
|
2001-07-14 19:34:14 +00:00
|
|
|
self_type(f).swap(*this);
|
2001-06-29 19:33:29 +00:00
|
|
|
}
|
2001-06-21 16:19:33 +00:00
|
|
|
|
2001-06-29 19:33:29 +00:00
|
|
|
void set(const base_type& f)
|
|
|
|
|
{
|
2001-07-14 19:34:14 +00:00
|
|
|
self_type(f).swap(*this);
|
2001-06-21 16:19:33 +00:00
|
|
|
}
|
2001-06-29 19:33:29 +00:00
|
|
|
|
2001-07-14 19:34:14 +00:00
|
|
|
void set(const self_type& f)
|
2001-06-29 19:33:29 +00:00
|
|
|
{
|
2001-07-14 19:34:14 +00:00
|
|
|
self_type(f).swap(*this);
|
2001-06-29 19:33:29 +00:00
|
|
|
}
|
2001-06-21 16:19:33 +00:00
|
|
|
};
|
|
|
|
|
|
|
|
|
|
template<typename R,
|
|
|
|
|
typename T1,
|
|
|
|
|
typename T2,
|
|
|
|
|
typename T3,
|
|
|
|
|
typename T4,
|
|
|
|
|
typename T5,
|
|
|
|
|
typename T6,
|
|
|
|
|
typename T7,
|
|
|
|
|
typename T8,
|
|
|
|
|
typename T9,
|
|
|
|
|
typename T10>
|
|
|
|
|
inline void swap(function<R, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10>& f1,
|
|
|
|
|
function<R, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10>& f2)
|
|
|
|
|
{
|
|
|
|
|
f1.swap(f2);
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
#endif
|
