| /*============================================================================= |
| Copyright (c) 2001-2014 Joel de Guzman |
| Copyright (c) 2001-2011 Hartmut Kaiser |
| |
| 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) |
| =============================================================================*/ |
| #if !defined(BOOST_SPIRIT_X3_PLUS_MARCH_13_2007_0127PM) |
| #define BOOST_SPIRIT_X3_PLUS_MARCH_13_2007_0127PM |
| |
| #include <boost/spirit/home/x3/core/parser.hpp> |
| #include <boost/spirit/home/x3/support/traits/container_traits.hpp> |
| #include <boost/spirit/home/x3/support/traits/attribute_of.hpp> |
| #include <boost/spirit/home/x3/core/detail/parse_into_container.hpp> |
| |
| namespace boost { namespace spirit { namespace x3 |
| { |
| template <typename Subject> |
| struct plus : unary_parser<Subject, plus<Subject>> |
| { |
| typedef unary_parser<Subject, plus<Subject>> base_type; |
| static bool const handles_container = true; |
| |
| constexpr plus(Subject const& subject) |
| : base_type(subject) {} |
| |
| template <typename Iterator, typename Context |
| , typename RContext, typename Attribute> |
| bool parse(Iterator& first, Iterator const& last |
| , Context const& context, RContext& rcontext, Attribute& attr) const |
| { |
| if (!detail::parse_into_container( |
| this->subject, first, last, context, rcontext, attr)) |
| return false; |
| |
| while (detail::parse_into_container( |
| this->subject, first, last, context, rcontext, attr)) |
| ; |
| return true; |
| } |
| }; |
| |
| template <typename Subject> |
| constexpr plus<typename extension::as_parser<Subject>::value_type> |
| operator+(Subject const& subject) |
| { |
| return { as_parser(subject) }; |
| } |
| }}} |
| |
| namespace boost { namespace spirit { namespace x3 { namespace traits |
| { |
| template <typename Subject, typename Context> |
| struct attribute_of<x3::plus<Subject>, Context> |
| : build_container< |
| typename attribute_of<Subject, Context>::type> {}; |
| }}}} |
| |
| #endif |
