| // Copyright (c) 2001-2009 Hartmut Kaiser |
| // Copyright (c) 2001-2007 Joel de Guzman |
| // |
| // 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_KARMA_SEQUENCE_FEB_28_2007_0247PM) |
| #define SPIRIT_KARMA_SEQUENCE_FEB_28_2007_0247PM |
| |
| #if defined(_MSC_VER) && (_MSC_VER >= 1020) |
| #pragma once // MS compatible compilers support #pragma once |
| #endif |
| |
| #include <boost/spirit/home/karma/domain.hpp> |
| #include <boost/spirit/home/karma/operator/detail/sequence.hpp> |
| #include <boost/spirit/home/support/attribute_transform.hpp> |
| #include <boost/spirit/home/support/detail/what_function.hpp> |
| #include <boost/spirit/home/support/algorithm/any_if.hpp> |
| #include <boost/spirit/home/support/unused.hpp> |
| #include <boost/fusion/include/vector.hpp> |
| #include <boost/fusion/include/as_vector.hpp> |
| #include <boost/fusion/include/transform.hpp> |
| #include <boost/fusion/include/filter_if.hpp> |
| #include <boost/fusion/include/for_each.hpp> |
| #include <boost/type_traits/is_same.hpp> |
| #include <boost/mpl/not.hpp> |
| |
| namespace boost { namespace spirit { namespace karma |
| { |
| struct sequence |
| { |
| template <typename T> |
| struct transform_child : mpl::identity<T> {}; |
| |
| template <typename All, typename Filtered> |
| struct build_container |
| { |
| typedef |
| typename fusion::result_of::as_vector<Filtered>::type |
| type; |
| }; |
| |
| template <typename Component, typename Context, typename Iterator> |
| struct attribute : |
| build_fusion_sequence< |
| sequence, Component, Iterator, Context, mpl::true_ |
| > |
| { |
| }; |
| |
| template <typename Context> |
| struct attribute_not_unused |
| { |
| template <typename Component> |
| struct apply |
| : spirit::traits::is_not_unused<typename |
| traits::attribute_of<karma::domain, Component, Context>::type> |
| {}; |
| }; |
| |
| template <typename Component, typename OutputIterator, |
| typename Context, typename Delimiter, typename Parameter> |
| static bool |
| generate(Component const& component, OutputIterator& sink, |
| Context& ctx, Delimiter const& d, Parameter const& param) |
| { |
| detail::sequence_generate<OutputIterator, Context, Delimiter> |
| f (sink, ctx, d); |
| |
| typedef attribute_not_unused<Context> predicate; |
| |
| // f returns true if *any* of the generators fail |
| return !spirit::any_if(component.elements, param, f, predicate()); |
| } |
| |
| template <typename Component, typename Context> |
| static std::string what(Component const& component, Context const& ctx) |
| { |
| std::string result = "sequence["; |
| fusion::for_each(component.elements, |
| spirit::detail::what_function<Context>(result, ctx)); |
| result += "]"; |
| return result; |
| } |
| }; |
| |
| }}} // namespace boost::spirit::karma |
| |
| #endif |