projects / ceph.git / blame
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|---|---|---|
| 7c673cae FG |
1 | // Copyright (c) 2001-2011 Hartmut Kaiser |
| 2 | // | |
| 3 | // Distributed under the Boost Software License, Version 1.0. (See accompanying | |
| 4 | // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) | |
| 5 | ||
| 6 | #if !defined(SPIRIT_STRICT_RELAXED_APR_22_2010_0959AM) | |
| 7 | #define SPIRIT_STRICT_RELAXED_APR_22_2010_0959AM | |
| 8 | ||
| 9 | #if defined(_MSC_VER) | |
| 10 | #pragma once | |
| 11 | #endif | |
| 12 | ||
| 13 | #include <boost/spirit/home/support/common_terminals.hpp> | |
| 14 | #include <boost/spirit/home/support/modify.hpp> | |
| 15 | #include <boost/spirit/home/karma/domain.hpp> | |
| 16 | #include <boost/spirit/home/karma/meta_compiler.hpp> | |
| 17 | ||
| 18 | namespace boost { namespace spirit | |
| 19 | { | |
| 20 | /////////////////////////////////////////////////////////////////////////// | |
| 21 | // Enablers | |
| 22 | /////////////////////////////////////////////////////////////////////////// | |
| 23 | template <> | |
| 24 | struct use_directive<karma::domain, tag::strict> // enables strict[] | |
| 25 | : mpl::true_ {}; | |
| 26 | ||
| 27 | template <> | |
| 28 | struct use_directive<karma::domain, tag::relaxed> // enables relaxed[] | |
| 29 | : mpl::true_ {}; | |
| 30 | ||
| 31 | /////////////////////////////////////////////////////////////////////////// | |
| 32 | template <> | |
| 33 | struct is_modifier_directive<karma::domain, tag::strict> | |
| 34 | : mpl::true_ {}; | |
| 35 | ||
| 36 | template <> | |
| 37 | struct is_modifier_directive<karma::domain, tag::relaxed> | |
| 38 | : mpl::true_ {}; | |
| 39 | ||
| 40 | /////////////////////////////////////////////////////////////////////////// | |
| 41 | // Don't add tag::strict or tag::relaxed if there is already one of those | |
| 42 | // in the modifier list | |
| 43 | template <typename Current> | |
| 44 | struct compound_modifier<Current, tag::strict | |
| 45 | , typename enable_if<has_modifier<Current, tag::relaxed> >::type> | |
| 46 | : Current | |
| 47 | { | |
| 48 | compound_modifier() | |
| 49 | : Current() {} | |
| 50 | ||
| 51 | compound_modifier(Current const& current, tag::strict const&) | |
| 52 | : Current(current) {} | |
| 53 | }; | |
| 54 | ||
| 55 | template <typename Current> | |
| 56 | struct compound_modifier<Current, tag::relaxed | |
| 57 | , typename enable_if<has_modifier<Current, tag::strict> >::type> | |
| 58 | : Current | |
| 59 | { | |
| 60 | compound_modifier() | |
| 61 | : Current() {} | |
| 62 | ||
| 63 | compound_modifier(Current const& current, tag::relaxed const&) | |
| 64 | : Current(current) {} | |
| 65 | }; | |
| 66 | ||
| 67 | namespace karma | |
| 68 | { | |
| 69 | #ifndef BOOST_SPIRIT_NO_PREDEFINED_TERMINALS | |
| 70 | using boost::spirit::strict; | |
| 71 | using boost::spirit::relaxed; | |
| 72 | #endif | |
| 73 | using boost::spirit::strict_type; | |
| 74 | using boost::spirit::relaxed_type; | |
| 75 | } | |
| 76 | }} | |
| 77 | ||
| 78 | #endif |