113 lines
4.0 KiB
C++
Executable File
113 lines
4.0 KiB
C++
Executable File
// Copyright (c) 2001-2008 Hartmut Kaiser
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//
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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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#if !defined(BOOST_SPIRIT_FORMAT_MANIP_MAY_05_2007_1202PM)
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#define BOOST_SPIRIT_FORMAT_MANIP_MAY_05_2007_1202PM
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#include <boost/spirit/home/qi/parse.hpp>
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#include <boost/spirit/home/support/unused.hpp>
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#include <boost/spirit/home/qi/stream/detail/match_manip.hpp>
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#include <boost/mpl/assert.hpp>
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#include <boost/utility/enable_if.hpp>
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///////////////////////////////////////////////////////////////////////////////
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namespace boost { namespace spirit { namespace qi
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{
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///////////////////////////////////////////////////////////////////////////
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template <typename Expr>
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inline detail::match_manip<Expr>
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match(Expr const& xpr)
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{
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typedef spirit::traits::is_component<qi::domain, Expr> is_component;
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// report invalid expression error as early as possible
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BOOST_MPL_ASSERT_MSG(is_component::value,
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xpr_is_not_convertible_to_a_parser, (Expr));
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return qi::detail::match_manip<Expr>(xpr, unused, unused);
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}
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template <typename Expr, typename Attribute>
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inline detail::match_manip<Expr, Attribute>
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match(Expr const& xpr, Attribute& p)
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{
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typedef spirit::traits::is_component<qi::domain, Expr> is_component;
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// report invalid expression error as early as possible
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BOOST_MPL_ASSERT_MSG(is_component::value,
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xpr_is_not_convertible_to_a_parser, (Expr, Attribute));
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return qi::detail::match_manip<Expr, Attribute>(xpr, p, unused);
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}
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///////////////////////////////////////////////////////////////////////////
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template <typename Expr, typename Skipper>
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inline detail::match_manip<Expr, unused_type const, Skipper>
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phrase_match(Expr const& xpr, Skipper const& s)
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{
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typedef
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spirit::traits::is_component<qi::domain, Expr>
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expr_is_component;
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typedef
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spirit::traits::is_component<qi::domain, Skipper>
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skipper_is_component;
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// report invalid expression errors as early as possible
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BOOST_MPL_ASSERT_MSG(expr_is_component::value,
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xpr_is_not_convertible_to_a_parser, (Expr, Skipper));
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BOOST_MPL_ASSERT_MSG(skipper_is_component::value,
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skipper_is_not_convertible_to_a_parser, (Expr, Skipper));
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return qi::detail::match_manip<Expr, unused_type const, Skipper>(
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xpr, unused, s);
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}
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template <typename Expr, typename Attribute, typename Skipper>
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inline detail::match_manip<Expr, Attribute, Skipper>
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phrase_match(Expr const& xpr, Attribute& p, Skipper const& s)
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{
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typedef
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spirit::traits::is_component<qi::domain, Expr>
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expr_is_component;
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typedef
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spirit::traits::is_component<qi::domain, Skipper>
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skipper_is_component;
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// report invalid expression errors as early as possible
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BOOST_MPL_ASSERT_MSG(expr_is_component::value,
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xpr_is_not_convertible_to_a_parser, (Expr, Attribute, Skipper));
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BOOST_MPL_ASSERT_MSG(skipper_is_component::value,
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skipper_is_not_convertible_to_a_parser, (Expr, Attribute, Skipper));
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return qi::detail::match_manip<Expr, Attribute, Skipper>(xpr, p, s);
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}
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///////////////////////////////////////////////////////////////////////////
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template<typename Char, typename Traits, typename Expr>
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inline typename
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enable_if<
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spirit::traits::is_component<qi::domain, Expr>,
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std::basic_istream<Char, Traits> &
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>::type
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operator>> (std::basic_istream<Char, Traits> &is, Expr& xpr)
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{
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typedef std::istream_iterator<Char, Char, Traits> input_iterator;
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input_iterator f(is);
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input_iterator l;
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if (!qi::parse (f, l, xpr))
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{
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is.setstate(std::ios_base::failbit);
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}
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return is;
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}
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}}}
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#endif
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