Mercurial > hg > vamp-build-and-test
comparison DEPENDENCIES/generic/include/boost/log/detail/attr_output_terminal.hpp @ 16:2665513ce2d3
Add boost headers
author | Chris Cannam |
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date | Tue, 05 Aug 2014 11:11:38 +0100 |
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children | c530137014c0 |
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15:663ca0da4350 | 16:2665513ce2d3 |
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1 /* | |
2 * Copyright Andrey Semashev 2007 - 2013. | |
3 * Distributed under the Boost Software License, Version 1.0. | |
4 * (See accompanying file LICENSE_1_0.txt or copy at | |
5 * http://www.boost.org/LICENSE_1_0.txt) | |
6 */ | |
7 /*! | |
8 * \file attribute_output_terminal.hpp | |
9 * \author Andrey Semashev | |
10 * \date 06.11.2012 | |
11 * | |
12 * The header contains implementation of a generic output manipulator in template expressions. | |
13 */ | |
14 | |
15 #ifndef BOOST_LOG_DETAIL_ATTR_OUTPUT_TERMINAL_HPP_INCLUDED_ | |
16 #define BOOST_LOG_DETAIL_ATTR_OUTPUT_TERMINAL_HPP_INCLUDED_ | |
17 | |
18 #include <boost/mpl/bool.hpp> | |
19 #include <boost/phoenix/core/actor.hpp> | |
20 #include <boost/phoenix/core/meta_grammar.hpp> | |
21 #include <boost/phoenix/core/environment.hpp> | |
22 #include <boost/phoenix/core/terminal_fwd.hpp> | |
23 #include <boost/phoenix/core/is_nullary.hpp> | |
24 #include <boost/type_traits/remove_cv.hpp> | |
25 #include <boost/type_traits/remove_reference.hpp> | |
26 #include <boost/fusion/sequence/intrinsic/at.hpp> | |
27 #include <boost/log/detail/config.hpp> | |
28 #include <boost/log/detail/custom_terminal_spec.hpp> | |
29 #include <boost/log/attributes/attribute_name.hpp> | |
30 #include <boost/log/attributes/value_visitation.hpp> | |
31 #include <boost/log/utility/functional/bind.hpp> | |
32 #include <boost/log/detail/header.hpp> | |
33 | |
34 #ifdef BOOST_HAS_PRAGMA_ONCE | |
35 #pragma once | |
36 #endif | |
37 | |
38 namespace boost { | |
39 | |
40 BOOST_LOG_OPEN_NAMESPACE | |
41 | |
42 namespace expressions { | |
43 | |
44 namespace aux { | |
45 | |
46 //! Attribute stream output expression | |
47 template< typename LeftT, typename T, typename FallbackPolicyT, typename ImplT > | |
48 class attribute_output_terminal | |
49 { | |
50 private: | |
51 //! Self type | |
52 typedef attribute_output_terminal< LeftT, T, FallbackPolicyT, ImplT > this_type; | |
53 //! Attribute value visitor invoker | |
54 typedef value_visitor_invoker< T, FallbackPolicyT > visitor_invoker_type; | |
55 //! Manipulator implementation | |
56 typedef ImplT impl_type; | |
57 | |
58 public: | |
59 //! Internal typedef for type categorization | |
60 typedef void _is_boost_log_terminal; | |
61 | |
62 //! Result type definition | |
63 template< typename > | |
64 struct result; | |
65 | |
66 template< typename ContextT > | |
67 struct result< this_type(ContextT) > | |
68 { | |
69 typedef typename remove_cv< typename remove_reference< ContextT >::type >::type context_type; | |
70 typedef typename phoenix::evaluator::impl< | |
71 typename LeftT::proto_base_expr&, | |
72 context_type, | |
73 phoenix::unused | |
74 >::result_type type; | |
75 }; | |
76 | |
77 template< typename ContextT > | |
78 struct result< const this_type(ContextT) > | |
79 { | |
80 typedef typename remove_cv< typename remove_reference< ContextT >::type >::type context_type; | |
81 typedef typename phoenix::evaluator::impl< | |
82 typename LeftT::proto_base_expr const&, | |
83 context_type, | |
84 phoenix::unused | |
85 >::result_type type; | |
86 }; | |
87 | |
88 private: | |
89 //! Left argument actor | |
90 LeftT m_left; | |
91 //! Attribute name | |
92 const attribute_name m_name; | |
93 //! Attribute value visitor invoker | |
94 visitor_invoker_type m_visitor_invoker; | |
95 //! Manipulator implementation | |
96 impl_type m_impl; | |
97 | |
98 public: | |
99 //! Initializing constructor | |
100 attribute_output_terminal(LeftT const& left, attribute_name const& name) : m_left(left), m_name(name) | |
101 { | |
102 } | |
103 | |
104 //! Initializing constructor | |
105 attribute_output_terminal(LeftT const& left, attribute_name const& name, impl_type const& impl) : m_left(left), m_name(name), m_impl(impl) | |
106 { | |
107 } | |
108 | |
109 //! Initializing constructor | |
110 template< typename U > | |
111 attribute_output_terminal(LeftT const& left, attribute_name const& name, impl_type const& impl, U const& arg) : | |
112 m_left(left), m_name(name), m_visitor_invoker(arg), m_impl(impl) | |
113 { | |
114 } | |
115 | |
116 //! Copy constructor | |
117 attribute_output_terminal(attribute_output_terminal const& that) : | |
118 m_left(that.m_left), m_name(that.m_name), m_visitor_invoker(that.m_visitor_invoker), m_impl(that.m_impl) | |
119 { | |
120 } | |
121 | |
122 //! Invokation operator | |
123 template< typename ContextT > | |
124 typename result< this_type(ContextT const&) >::type operator() (ContextT const& ctx) | |
125 { | |
126 typedef typename result< this_type(ContextT const&) >::type result_type; | |
127 result_type strm = phoenix::eval(m_left, ctx); | |
128 m_visitor_invoker(m_name, fusion::at_c< 0 >(phoenix::env(ctx).args()), binder1st< impl_type&, result_type >(m_impl, strm)); | |
129 return strm; | |
130 } | |
131 | |
132 //! Invokation operator | |
133 template< typename ContextT > | |
134 typename result< const this_type(ContextT const&) >::type operator() (ContextT const& ctx) const | |
135 { | |
136 typedef typename result< const this_type(ContextT const&) >::type result_type; | |
137 result_type strm = phoenix::eval(m_left, ctx); | |
138 m_visitor_invoker(m_name, fusion::at_c< 0 >(phoenix::env(ctx).args()), binder1st< impl_type const&, result_type >(m_impl, strm)); | |
139 return strm; | |
140 } | |
141 | |
142 BOOST_DELETED_FUNCTION(attribute_output_terminal()) | |
143 }; | |
144 | |
145 } // namespace aux | |
146 | |
147 } // namespace expressions | |
148 | |
149 BOOST_LOG_CLOSE_NAMESPACE // namespace log | |
150 | |
151 #ifndef BOOST_LOG_DOXYGEN_PASS | |
152 | |
153 namespace phoenix { | |
154 | |
155 namespace result_of { | |
156 | |
157 template< typename LeftT, typename T, typename FallbackPolicyT, typename ImplT > | |
158 struct is_nullary< custom_terminal< boost::log::expressions::aux::attribute_output_terminal< LeftT, T, FallbackPolicyT, ImplT > > > : | |
159 public mpl::false_ | |
160 { | |
161 }; | |
162 | |
163 } // namespace result_of | |
164 | |
165 } // namespace phoenix | |
166 | |
167 #endif // !defined(BOOST_LOG_DOXYGEN_PASS) | |
168 | |
169 } // namespace boost | |
170 | |
171 #include <boost/log/detail/footer.hpp> | |
172 | |
173 #endif // BOOST_LOG_DETAIL_ATTR_OUTPUT_TERMINAL_HPP_INCLUDED_ |