123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111 |
- /*=============================================================================
- Copyright (c) 2001-2011 Joel de Guzman
- 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)
- =============================================================================*/
- #ifndef BOOST_SPIRIT_QI_DIRECTIVE_RAW_HPP
- #define BOOST_SPIRIT_QI_DIRECTIVE_RAW_HPP
- #if defined(_MSC_VER)
- #pragma once
- #endif
- #include <boost/spirit/home/qi/meta_compiler.hpp>
- #include <boost/spirit/home/qi/skip_over.hpp>
- #include <boost/spirit/home/qi/parser.hpp>
- #include <boost/spirit/home/qi/detail/assign_to.hpp>
- #include <boost/spirit/home/support/unused.hpp>
- #include <boost/spirit/home/support/info.hpp>
- #include <boost/spirit/home/support/common_terminals.hpp>
- #include <boost/spirit/home/support/unused.hpp>
- #include <boost/spirit/home/support/has_semantic_action.hpp>
- #include <boost/spirit/home/support/handles_container.hpp>
- #include <boost/range/iterator_range_core.hpp> // TODO: use forward include
- namespace boost { namespace spirit
- {
- ///////////////////////////////////////////////////////////////////////////
- // Enablers
- ///////////////////////////////////////////////////////////////////////////
- template <>
- struct use_directive<qi::domain, tag::raw> // enables raw
- : mpl::true_ {};
- }}
- namespace boost { namespace spirit { namespace qi
- {
- #ifndef BOOST_SPIRIT_NO_PREDEFINED_TERMINALS
- using spirit::raw;
- #endif
- using spirit::raw_type;
- template <typename Subject>
- struct raw_directive : unary_parser<raw_directive<Subject> >
- {
- typedef Subject subject_type;
- raw_directive(Subject const& subject_)
- : subject(subject_) {}
- template <typename Context, typename Iterator>
- struct attribute
- {
- typedef iterator_range<Iterator> type;
- };
- template <typename Iterator, typename Context
- , typename Skipper, typename Attribute>
- bool parse(Iterator& first, Iterator const& last
- , Context& context, Skipper const& skipper, Attribute& attr_) const
- {
- qi::skip_over(first, last, skipper);
- Iterator i = first;
- if (subject.parse(i, last, context, skipper, unused))
- {
- spirit::traits::assign_to(first, i, attr_);
- first = i;
- return true;
- }
- return false;
- }
- template <typename Context>
- info what(Context& context) const
- {
- return info("raw", subject.what(context));
- }
- Subject subject;
- };
- ///////////////////////////////////////////////////////////////////////////
- // Parser generators: make_xxx function (objects)
- ///////////////////////////////////////////////////////////////////////////
- template <typename Subject, typename Modifiers>
- struct make_directive<tag::raw, Subject, Modifiers>
- {
- typedef raw_directive<Subject> result_type;
- result_type operator()(unused_type, Subject const& subject, unused_type) const
- {
- return result_type(subject);
- }
- };
- }}}
- namespace boost { namespace spirit { namespace traits
- {
- ///////////////////////////////////////////////////////////////////////////
- template <typename Subject>
- struct has_semantic_action<qi::raw_directive<Subject> >
- : unary_has_semantic_action<Subject> {};
- ///////////////////////////////////////////////////////////////////////////
- template <typename Subject, typename Attribute, typename Context
- , typename Iterator>
- struct handles_container<qi::raw_directive<Subject>, Attribute
- , Context, Iterator>
- : mpl::true_ {};
- }}}
- #endif
|