| // Copyright (c) 2001-2010 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(SPIRIT_STRICT_RELAXED_APR_22_2010_0959AM) |
| #define SPIRIT_STRICT_RELAXED_APR_22_2010_0959AM |
| |
| #if defined(_MSC_VER) |
| #pragma once |
| #endif |
| |
| #include <boost/spirit/home/support/common_terminals.hpp> |
| #include <boost/spirit/home/support/modify.hpp> |
| #include <boost/spirit/home/karma/domain.hpp> |
| #include <boost/spirit/home/karma/meta_compiler.hpp> |
| |
| namespace boost { namespace spirit |
| { |
| /////////////////////////////////////////////////////////////////////////// |
| // Enablers |
| /////////////////////////////////////////////////////////////////////////// |
| template <> |
| struct use_directive<karma::domain, tag::strict> // enables strict[] |
| : mpl::true_ {}; |
| |
| template <> |
| struct use_directive<karma::domain, tag::relaxed> // enables relaxed[] |
| : mpl::true_ {}; |
| |
| /////////////////////////////////////////////////////////////////////////// |
| template <> |
| struct is_modifier_directive<karma::domain, tag::strict> |
| : mpl::true_ {}; |
| |
| template <> |
| struct is_modifier_directive<karma::domain, tag::relaxed> |
| : mpl::true_ {}; |
| |
| /////////////////////////////////////////////////////////////////////////// |
| // Don't add tag::strict or tag::relaxed if there is already one of those |
| // in the modifier list |
| template <typename Current> |
| struct compound_modifier<Current, tag::strict |
| , typename enable_if<has_modifier<Current, tag::relaxed> >::type> |
| : Current |
| { |
| compound_modifier() |
| : Current() {} |
| |
| compound_modifier(Current const& current, tag::strict const&) |
| : Current(current) {} |
| }; |
| |
| template <typename Current> |
| struct compound_modifier<Current, tag::relaxed |
| , typename enable_if<has_modifier<Current, tag::strict> >::type> |
| : Current |
| { |
| compound_modifier() |
| : Current() {} |
| |
| compound_modifier(Current const& current, tag::relaxed const&) |
| : Current(current) {} |
| }; |
| |
| namespace karma |
| { |
| using boost::spirit::strict; |
| using boost::spirit::strict_type; |
| using boost::spirit::relaxed; |
| using boost::spirit::relaxed_type; |
| } |
| }} |
| |
| #endif |