112 lines
3.8 KiB
C++
112 lines
3.8 KiB
C++
/*
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* Copyright Andrey Semashev 2007 - 2013.
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* Distributed under the Boost Software License, Version 1.0.
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* (See accompanying file LICENSE_1_0.txt or copy at
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* http://www.boost.org/LICENSE_1_0.txt)
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*/
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/*!
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* \file attr_output_impl.hpp
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* \author Andrey Semashev
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* \date 12.08.2012
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*
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* \brief This header is the Boost.Log library implementation, see the library documentation
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* at http://www.boost.org/doc/libs/release/libs/log/doc/html/index.html.
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*/
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#ifndef BOOST_LOG_DETAIL_ATTR_OUTPUT_IMPL_HPP_INCLUDED_
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#define BOOST_LOG_DETAIL_ATTR_OUTPUT_IMPL_HPP_INCLUDED_
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#include <boost/mpl/is_sequence.hpp>
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#include <boost/phoenix/core/actor.hpp>
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#include <boost/log/detail/config.hpp>
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#include <boost/log/expressions/attr.hpp>
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#include <boost/log/utility/functional/bind_to_log.hpp>
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#include <boost/log/detail/attr_output_terminal.hpp>
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#include <boost/log/detail/header.hpp>
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#ifdef BOOST_HAS_PRAGMA_ONCE
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#pragma once
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#endif
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namespace boost {
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BOOST_LOG_OPEN_NAMESPACE
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namespace expressions {
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namespace aux {
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template< typename LeftT, typename T, typename FallbackPolicyT, typename TagT >
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struct make_output_expression
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{
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//! Resulting expression
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typedef attribute_output_terminal< LeftT, T, FallbackPolicyT, to_log_fun< TagT > > type;
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//! Creates the output expression
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template< typename RightT >
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static BOOST_FORCEINLINE type make(LeftT const& left, RightT const& right)
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{
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return type(left, right.get_name(), to_log_fun< TagT >(), right.get_fallback_policy());
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}
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};
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template< typename LeftT, typename RightT, typename ValueT = typename RightT::value_type, bool IsSequenceV = mpl::is_sequence< ValueT >::value >
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struct make_output_actor;
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template< template< typename > class ActorT, typename LeftExprT, typename RightT, typename ValueT >
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struct make_output_actor< ActorT< LeftExprT >, RightT, ValueT, false >
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{
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typedef make_output_expression<
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ActorT< LeftExprT >,
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ValueT,
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typename RightT::fallback_policy,
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typename RightT::tag_type
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> make_expression;
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typedef ActorT< typename make_expression::type > type;
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static BOOST_FORCEINLINE type make(ActorT< LeftExprT > const& left, RightT const& right)
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{
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type res = {{ make_expression::make(left, right) }};
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return res;
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}
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};
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template< template< typename > class ActorT, typename LeftExprT, typename RightT, typename ValueT >
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struct make_output_actor< ActorT< LeftExprT >, RightT, ValueT, true >
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{
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typedef attribute_output_terminal< ActorT< LeftExprT >, ValueT, typename RightT::fallback_policy, to_log_fun< typename RightT::tag_type > > expression_type;
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typedef ActorT< expression_type > type;
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static BOOST_FORCEINLINE type make(ActorT< LeftExprT > const& left, RightT const& right)
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{
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type res = {{ expression_type(left, right.get_name(), to_log_fun< typename RightT::tag_type >(), right.get_fallback_policy()) }};
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return res;
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}
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};
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} // namespace aux
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#define BOOST_LOG_AUX_OVERLOAD(left_ref, right_ref)\
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template< typename LeftExprT, typename T, typename FallbackPolicyT, typename TagT >\
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BOOST_FORCEINLINE typename aux::make_output_actor< phoenix::actor< LeftExprT >, attribute_actor< T, FallbackPolicyT, TagT, phoenix::actor > >::type\
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operator<< (phoenix::actor< LeftExprT > left_ref left, attribute_actor< T, FallbackPolicyT, TagT, phoenix::actor > right_ref right)\
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{\
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return aux::make_output_actor< phoenix::actor< LeftExprT >, attribute_actor< T, FallbackPolicyT, TagT, phoenix::actor > >::make(left, right);\
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}
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#include <boost/log/detail/generate_overloads.hpp>
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#undef BOOST_LOG_AUX_OVERLOAD
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} // namespace expressions
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BOOST_LOG_CLOSE_NAMESPACE // namespace log
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} // namespace boost
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#include <boost/log/detail/footer.hpp>
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#endif // BOOST_LOG_DETAIL_ATTR_OUTPUT_IMPL_HPP_INCLUDED_
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