112 lines
3.7 KiB
C++
112 lines
3.7 KiB
C++
|
/*=============================================================================
|
||
|
|
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
|