diff options
author | Chanho Park <chanho61.park@samsung.com> | 2014-12-11 18:55:56 +0900 |
---|---|---|
committer | Chanho Park <chanho61.park@samsung.com> | 2014-12-11 18:55:56 +0900 |
commit | 08c1e93fa36a49f49325a07fe91ff92c964c2b6c (patch) | |
tree | 7a7053ceb8874b28ec4b868d4c49b500008a102e /boost/log/expressions/predicates/matches.hpp | |
parent | bb4dd8289b351fae6b55e303f189127a394a1edd (diff) | |
download | boost-08c1e93fa36a49f49325a07fe91ff92c964c2b6c.tar.gz boost-08c1e93fa36a49f49325a07fe91ff92c964c2b6c.tar.bz2 boost-08c1e93fa36a49f49325a07fe91ff92c964c2b6c.zip |
Imported Upstream version 1.57.0upstream/1.57.0
Diffstat (limited to 'boost/log/expressions/predicates/matches.hpp')
-rw-r--r-- | boost/log/expressions/predicates/matches.hpp | 119 |
1 files changed, 119 insertions, 0 deletions
diff --git a/boost/log/expressions/predicates/matches.hpp b/boost/log/expressions/predicates/matches.hpp new file mode 100644 index 0000000000..798f2e7e4f --- /dev/null +++ b/boost/log/expressions/predicates/matches.hpp @@ -0,0 +1,119 @@ +/* + * Copyright Andrey Semashev 2007 - 2014. + * 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 matches.hpp + * \author Andrey Semashev + * \date 02.09.2012 + * + * The header contains implementation of a \c matches predicate in template expressions. + */ + +#ifndef BOOST_LOG_EXPRESSIONS_PREDICATES_MATCHES_HPP_INCLUDED_ +#define BOOST_LOG_EXPRESSIONS_PREDICATES_MATCHES_HPP_INCLUDED_ + +#include <boost/phoenix/core/actor.hpp> +#include <boost/log/detail/config.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/matches.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 matches a regular expression. The attribute value is assumed to be of a string type. + */ +template< typename T, typename RegexT, typename FallbackPolicyT = fallback_to_none > +class attribute_matches : + public aux::attribute_predicate< T, typename boost::log::aux::match_traits< RegexT >::compiled_type, matches_fun, FallbackPolicyT > +{ + typedef aux::attribute_predicate< T, typename boost::log::aux::match_traits< RegexT >::compiled_type, matches_fun, FallbackPolicyT > base_type; + +public: + /*! + * Initializing constructor + * + * \param name Attribute name + * \param rex The regular expression to match the attribute value against + */ + attribute_matches(attribute_name const& name, RegexT const& rex) : base_type(name, boost::log::aux::match_traits< RegexT >::compile(rex)) + { + } + + /*! + * Initializing constructor + * + * \param name Attribute name + * \param rex The regular expression to match the attribute value against + * \param arg Additional parameter for the fallback policy + */ + template< typename U > + attribute_matches(attribute_name const& name, RegexT const& rex, U const& arg) : base_type(name, boost::log::aux::match_traits< RegexT >::compile(rex), arg) + { + } +}; + +/*! + * 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, matches the specified regular expression. + */ +template< typename T, typename FallbackPolicyT, typename TagT, template< typename > class ActorT, typename RegexT > +BOOST_FORCEINLINE ActorT< aux::unary_function_terminal< attribute_matches< T, RegexT, FallbackPolicyT > > > +matches(attribute_actor< T, FallbackPolicyT, TagT, ActorT > const& attr, RegexT const& rex) +{ + typedef aux::unary_function_terminal< attribute_matches< T, RegexT, FallbackPolicyT > > terminal_type; + ActorT< terminal_type > act = {{ terminal_type(attr.get_name(), rex, 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, matches the specified regular expression. + */ +template< typename DescriptorT, template< typename > class ActorT, typename RegexT > +BOOST_FORCEINLINE ActorT< aux::unary_function_terminal< attribute_matches< typename DescriptorT::value_type, RegexT > > > +matches(attribute_keyword< DescriptorT, ActorT > const&, RegexT const& rex) +{ + typedef aux::unary_function_terminal< attribute_matches< typename DescriptorT::value_type, RegexT > > terminal_type; + ActorT< terminal_type > act = {{ terminal_type(DescriptorT::get_name(), rex) }}; + 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, matches the specified regular expression. + */ +template< typename T, typename RegexT > +BOOST_FORCEINLINE phoenix::actor< aux::unary_function_terminal< attribute_matches< T, RegexT > > > +matches(attribute_name const& name, RegexT const& rex) +{ + typedef aux::unary_function_terminal< attribute_matches< T, RegexT > > terminal_type; + phoenix::actor< terminal_type > act = {{ terminal_type(name, rex) }}; + return act; +} + +} // namespace expressions + +BOOST_LOG_CLOSE_NAMESPACE // namespace log + +} // namespace boost + +#include <boost/log/detail/footer.hpp> + +#endif // BOOST_LOG_EXPRESSIONS_PREDICATES_MATCHES_HPP_INCLUDED_ |