| // 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(BOOST_SPIRIT_ADAPT_ADT_ATTRIBUTES_SEP_15_2010_1219PM) |
| #define BOOST_SPIRIT_ADAPT_ADT_ATTRIBUTES_SEP_15_2010_1219PM |
| |
| #if defined(_MSC_VER) |
| #pragma once |
| #endif |
| |
| #include <boost/spirit/home/support/attributes.hpp> |
| #include <boost/spirit/home/support/container.hpp> |
| #include <boost/fusion/include/adapt_adt.hpp> |
| #include <boost/utility/enable_if.hpp> |
| |
| /////////////////////////////////////////////////////////////////////////////// |
| // customization points allowing to use adapted classes with spirit |
| namespace boost { namespace spirit { namespace traits |
| { |
| /////////////////////////////////////////////////////////////////////////// |
| template <typename T, int N, bool Const> |
| struct is_container<fusion::extension::adt_attribute_proxy<T, N, Const> > |
| : is_container< |
| typename fusion::extension::adt_attribute_proxy<T, N, Const>::type |
| > |
| {}; |
| |
| template <typename T, int N, bool Const> |
| struct container_value<fusion::extension::adt_attribute_proxy<T, N, Const> > |
| : container_value< |
| typename fusion::extension::access::adt_attribute_proxy< |
| T, N, Const |
| >::type |
| > |
| {}; |
| |
| template <typename T, int N, typename Val> |
| struct push_back_container< |
| fusion::extension::adt_attribute_proxy<T, N, false> |
| , Val |
| , typename enable_if<is_reference< |
| typename fusion::extension::adt_attribute_proxy<T, N, false>::type |
| > >::type> |
| { |
| static bool call( |
| fusion::extension::adt_attribute_proxy<T, N, false>& p |
| , Val const& val) |
| { |
| typedef typename |
| fusion::extension::adt_attribute_proxy<T, N, false>::type |
| type; |
| return push_back(type(p), val); |
| } |
| }; |
| |
| template <typename T, int N, bool Const> |
| struct container_iterator<fusion::extension::adt_attribute_proxy<T, N, Const> > |
| : container_iterator< |
| typename fusion::extension::adt_attribute_proxy<T, N, Const>::type |
| > |
| {}; |
| |
| /////////////////////////////////////////////////////////////////////////// |
| template <typename T, int N, bool Const, typename Val> |
| struct assign_to_attribute_from_value< |
| fusion::extension::adt_attribute_proxy<T, N, false> |
| , Val> |
| { |
| static void |
| call(Val const& val |
| , fusion::extension::adt_attribute_proxy<T, N, false>& attr) |
| { |
| attr = val; |
| } |
| }; |
| |
| /////////////////////////////////////////////////////////////////////////// |
| template <typename T, int N, bool Const> |
| struct attribute_type<fusion::extension::adt_attribute_proxy<T, N, Const> > |
| : fusion::extension::adt_attribute_proxy<T, N, Const> |
| {}; |
| |
| /////////////////////////////////////////////////////////////////////////// |
| template < |
| typename T, int N, bool Const, typename Attribute, typename Domain> |
| struct transform_attribute< |
| fusion::extension::adt_attribute_proxy<T, N, false> |
| , Attribute |
| , Domain |
| , typename disable_if<is_reference< |
| typename fusion::extension::adt_attribute_proxy<T, N, false>::type |
| > >::type> |
| { |
| typedef Attribute type; |
| |
| static Attribute |
| pre(fusion::extension::adt_attribute_proxy<T, N, false>& val) |
| { |
| return val; |
| } |
| static void |
| post( |
| fusion::extension::adt_attribute_proxy<T, N, false>& val |
| , Attribute const& attr) |
| { |
| val = attr; |
| } |
| static void |
| fail(fusion::extension::access::adt_attribute_proxy<T, N, Const>&) |
| { |
| } |
| }; |
| |
| template < |
| typename T, int N, bool Const, typename Attribute, typename Domain> |
| struct transform_attribute< |
| fusion::extension::adt_attribute_proxy<T, N, Const> |
| , Attribute |
| , Domain |
| , typename enable_if<is_reference< |
| typename fusion::extension::adt_attribute_proxy< |
| T, N, Const |
| >::type |
| > >::type> |
| { |
| typedef Attribute& type; |
| |
| static Attribute& |
| pre(fusion::extension::adt_attribute_proxy<T, N, Const>& val) |
| { |
| return val; |
| } |
| static void |
| post( |
| fusion::extension::adt_attribute_proxy<T, N, Const>& |
| , Attribute const&) |
| { |
| } |
| static void |
| fail(fusion::extension::adt_attribute_proxy<T, N, Const>&) |
| { |
| } |
| }; |
| |
| template <typename T, int N, bool Const> |
| struct clear_value<fusion::extension::adt_attribute_proxy<T, N, Const> > |
| { |
| static void call( |
| fusion::extension::adt_attribute_proxy<T, N, Const>& val) |
| { |
| typedef typename |
| fusion::extension::adt_attribute_proxy<T, N, Const>::type |
| type; |
| clear(type(val)); |
| } |
| }; |
| }}} |
| |
| #endif |