/*=============================================================================
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Copyright (c) 2001-2014 Joel de Guzman
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Copyright (c) 2001-2011 Hartmut Kaiser
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Distributed under the Boost Software License, Version 1.0. (See accompanying
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file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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=============================================================================*/
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#if !defined(BOOST_SPIRIT_X3_LIST_MARCH_24_2007_1031AM)
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#define BOOST_SPIRIT_X3_LIST_MARCH_24_2007_1031AM
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#include <boost/spirit/home/x3/core/parser.hpp>
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#include <boost/spirit/home/x3/support/traits/container_traits.hpp>
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#include <boost/spirit/home/x3/support/traits/attribute_of.hpp>
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#include <boost/spirit/home/x3/core/detail/parse_into_container.hpp>
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namespace boost { namespace spirit { namespace x3
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{
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template <typename Left, typename Right>
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struct list : binary_parser<Left, Right, list<Left, Right>>
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{
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typedef binary_parser<Left, Right, list<Left, Right>> base_type;
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static bool const handles_container = true;
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static bool const has_attribute = true;
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constexpr list(Left const& left, Right const& right)
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: base_type(left, right) {}
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template <typename Iterator, typename Context
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, typename RContext, typename Attribute>
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bool parse(Iterator& first, Iterator const& last
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, Context const& context, RContext& rcontext, Attribute& attr) const
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{
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// in order to succeed we need to match at least one element
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if (!detail::parse_into_container(
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this->left, first, last, context, rcontext, attr))
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return false;
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Iterator iter = first;
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while (this->right.parse(iter, last, context, rcontext, unused)
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&& detail::parse_into_container(
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this->left, iter, last, context, rcontext, attr))
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{
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first = iter;
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}
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return true;
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}
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};
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template <typename Left, typename Right>
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constexpr list<
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typename extension::as_parser<Left>::value_type
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, typename extension::as_parser<Right>::value_type>
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operator%(Left const& left, Right const& right)
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{
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return { as_parser(left), as_parser(right) };
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}
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}}}
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namespace boost { namespace spirit { namespace x3 { namespace traits
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{
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template <typename Left, typename Right, typename Context>
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struct attribute_of<x3::list<Left, Right>, Context>
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: traits::build_container<
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typename attribute_of<Left, Context>::type> {};
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}}}}
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#endif
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