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78 lines
2.4 KiB
78 lines
2.4 KiB
// Copyright (c) 2001-2011 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(SPIRIT_STRICT_RELAXED_APR_22_2010_0959AM) |
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#define SPIRIT_STRICT_RELAXED_APR_22_2010_0959AM |
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#if defined(_MSC_VER) |
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#pragma once |
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#endif |
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#include <boost/spirit/home/support/common_terminals.hpp> |
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#include <boost/spirit/home/support/modify.hpp> |
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#include <boost/spirit/home/karma/domain.hpp> |
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#include <boost/spirit/home/karma/meta_compiler.hpp> |
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namespace boost { namespace spirit |
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{ |
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/////////////////////////////////////////////////////////////////////////// |
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// Enablers |
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/////////////////////////////////////////////////////////////////////////// |
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template <> |
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struct use_directive<karma::domain, tag::strict> // enables strict[] |
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: mpl::true_ {}; |
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template <> |
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struct use_directive<karma::domain, tag::relaxed> // enables relaxed[] |
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: mpl::true_ {}; |
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/////////////////////////////////////////////////////////////////////////// |
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template <> |
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struct is_modifier_directive<karma::domain, tag::strict> |
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: mpl::true_ {}; |
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template <> |
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struct is_modifier_directive<karma::domain, tag::relaxed> |
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: mpl::true_ {}; |
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/////////////////////////////////////////////////////////////////////////// |
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// Don't add tag::strict or tag::relaxed if there is already one of those |
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// in the modifier list |
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template <typename Current> |
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struct compound_modifier<Current, tag::strict |
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, typename enable_if<has_modifier<Current, tag::relaxed> >::type> |
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: Current |
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{ |
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compound_modifier() |
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: Current() {} |
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compound_modifier(Current const& current, tag::strict const&) |
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: Current(current) {} |
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}; |
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template <typename Current> |
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struct compound_modifier<Current, tag::relaxed |
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, typename enable_if<has_modifier<Current, tag::strict> >::type> |
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: Current |
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{ |
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compound_modifier() |
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: Current() {} |
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compound_modifier(Current const& current, tag::relaxed const&) |
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: Current(current) {} |
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}; |
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namespace karma |
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{ |
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#ifndef BOOST_SPIRIT_NO_PREDEFINED_TERMINALS |
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using boost::spirit::strict; |
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using boost::spirit::relaxed; |
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#endif |
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using boost::spirit::strict_type; |
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using boost::spirit::relaxed_type; |
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} |
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}} |
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#endif
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