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- /*
- * Copyright Andrey Semashev 2007 - 2015.
- * Distributed under the Boost Software License, Version 1.0.
- * (See accompanying file LICENSE_1_0.txt or copy at
- * http://www.boost.org/LICENSE_1_0.txt)
- */
- /*!
- * \file ends_with.hpp
- * \author Andrey Semashev
- * \date 02.09.2012
- *
- * The header contains implementation of a \c ends_with predicate in template expressions.
- */
- #ifndef BOOST_LOG_EXPRESSIONS_PREDICATES_ENDS_WITH_HPP_INCLUDED_
- #define BOOST_LOG_EXPRESSIONS_PREDICATES_ENDS_WITH_HPP_INCLUDED_
- #include <boost/phoenix/core/actor.hpp>
- #include <boost/log/detail/config.hpp>
- #include <boost/log/detail/embedded_string_type.hpp>
- #include <boost/log/detail/unary_function_terminal.hpp>
- #include <boost/log/detail/attribute_predicate.hpp>
- #include <boost/log/expressions/attr_fwd.hpp>
- #include <boost/log/expressions/keyword_fwd.hpp>
- #include <boost/log/attributes/attribute_name.hpp>
- #include <boost/log/attributes/fallback_policy.hpp>
- #include <boost/log/utility/functional/ends_with.hpp>
- #include <boost/log/detail/header.hpp>
- #ifdef BOOST_HAS_PRAGMA_ONCE
- #pragma once
- #endif
- namespace boost {
- BOOST_LOG_OPEN_NAMESPACE
- namespace expressions {
- /*!
- * The predicate checks if the attribute value ends with a substring. The attribute value is assumed to be of a string type.
- */
- #if !defined(BOOST_NO_CXX11_TEMPLATE_ALIASES)
- template< typename T, typename SubstringT, typename FallbackPolicyT = fallback_to_none >
- using attribute_ends_with = aux::attribute_predicate< T, SubstringT, ends_with_fun, FallbackPolicyT >;
- #else // !defined(BOOST_NO_CXX11_TEMPLATE_ALIASES)
- template< typename T, typename SubstringT, typename FallbackPolicyT = fallback_to_none >
- class attribute_ends_with :
- public aux::attribute_predicate< T, SubstringT, ends_with_fun, FallbackPolicyT >
- {
- typedef aux::attribute_predicate< T, SubstringT, ends_with_fun, FallbackPolicyT > base_type;
- public:
- /*!
- * Initializing constructor
- *
- * \param name Attribute name
- * \param substring The expected attribute value ending
- */
- attribute_ends_with(attribute_name const& name, SubstringT const& substring) : base_type(name, substring)
- {
- }
- /*!
- * Initializing constructor
- *
- * \param name Attribute name
- * \param substring The expected attribute value ending
- * \param arg Additional parameter for the fallback policy
- */
- template< typename U >
- attribute_ends_with(attribute_name const& name, SubstringT const& substring, U const& arg) : base_type(name, substring, arg)
- {
- }
- };
- #endif // !defined(BOOST_NO_CXX11_TEMPLATE_ALIASES)
- /*!
- * The function generates a terminal node in a template expression. The node will check if the attribute value,
- * which is assumed to be a string, ends with the specified substring.
- */
- template< typename T, typename FallbackPolicyT, typename TagT, template< typename > class ActorT, typename SubstringT >
- BOOST_FORCEINLINE ActorT< aux::unary_function_terminal< attribute_ends_with< T, typename boost::log::aux::make_embedded_string_type< SubstringT >::type, FallbackPolicyT > > >
- ends_with(attribute_actor< T, FallbackPolicyT, TagT, ActorT > const& attr, SubstringT const& substring)
- {
- typedef aux::unary_function_terminal< attribute_ends_with< T, typename boost::log::aux::make_embedded_string_type< SubstringT >::type, FallbackPolicyT > > terminal_type;
- ActorT< terminal_type > act = {{ terminal_type(attr.get_name(), substring, attr.get_fallback_policy()) }};
- return act;
- }
- /*!
- * The function generates a terminal node in a template expression. The node will check if the attribute value,
- * which is assumed to be a string, ends with the specified substring.
- */
- template< typename DescriptorT, template< typename > class ActorT, typename SubstringT >
- BOOST_FORCEINLINE ActorT< aux::unary_function_terminal< attribute_ends_with< typename DescriptorT::value_type, typename boost::log::aux::make_embedded_string_type< SubstringT >::type > > >
- ends_with(attribute_keyword< DescriptorT, ActorT > const&, SubstringT const& substring)
- {
- typedef aux::unary_function_terminal< attribute_ends_with< typename DescriptorT::value_type, typename boost::log::aux::make_embedded_string_type< SubstringT >::type > > terminal_type;
- ActorT< terminal_type > act = {{ terminal_type(DescriptorT::get_name(), substring) }};
- return act;
- }
- /*!
- * The function generates a terminal node in a template expression. The node will check if the attribute value,
- * which is assumed to be a string, ends with the specified substring.
- */
- template< typename T, typename SubstringT >
- BOOST_FORCEINLINE phoenix::actor< aux::unary_function_terminal< attribute_ends_with< T, typename boost::log::aux::make_embedded_string_type< SubstringT >::type > > >
- ends_with(attribute_name const& name, SubstringT const& substring)
- {
- typedef aux::unary_function_terminal< attribute_ends_with< T, typename boost::log::aux::make_embedded_string_type< SubstringT >::type > > terminal_type;
- phoenix::actor< terminal_type > act = {{ terminal_type(name, substring) }};
- return act;
- }
- } // namespace expressions
- BOOST_LOG_CLOSE_NAMESPACE // namespace log
- } // namespace boost
- #include <boost/log/detail/footer.hpp>
- #endif // BOOST_LOG_EXPRESSIONS_PREDICATES_ENDS_WITH_HPP_INCLUDED_
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