1 /*=============================================================================
2 Copyright (c) 1999-2003 Jaakko Jarvi
3 Copyright (c) 1999-2003 Jeremiah Willcock
4 Copyright (c) 2001-2011 Joel de Guzman
6 Distributed under the Boost Software License, Version 1.0. (See accompanying
7 file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
8 ==============================================================================*/
9 #if !defined(FUSION_OUT_05052005_0121)
10 #define FUSION_OUT_05052005_0121
12 #include <boost/fusion/support/config.hpp>
14 #include <boost/fusion/sequence/io/detail/manip.hpp>
16 #include <boost/mpl/bool.hpp>
17 #include <boost/fusion/sequence/intrinsic/begin.hpp>
18 #include <boost/fusion/sequence/intrinsic/end.hpp>
19 #include <boost/fusion/iterator/deref.hpp>
20 #include <boost/fusion/iterator/next.hpp>
21 #include <boost/fusion/iterator/equal_to.hpp>
23 namespace boost { namespace fusion { namespace detail
25 template <typename Tag>
29 template <typename OS>
31 print(OS& os, char const* delim, mpl::false_ = mpl::false_())
33 detail::string_ios_manip<Tag, OS> manip(os);
37 template <typename OS>
39 print(OS&, char const*, mpl::true_)
44 struct print_sequence_loop
46 template <typename OS, typename First, typename Last>
48 call(OS&, First const&, Last const&, mpl::true_)
52 template <typename OS, typename First, typename Last>
54 call(OS& os, First const& first, Last const& last, mpl::false_)
57 typename result_of::next<First>::type
63 delimiter_out<tuple_delimiter_tag>::print(os, " ", is_last);
64 call(os, fusion::next(first), last, is_last);
67 template <typename OS, typename First, typename Last>
69 call(OS& os, First const& first, Last const& last)
71 result_of::equal_to<First, Last> eq;
72 call(os, first, last, eq);
76 template <typename OS, typename Sequence>
78 print_sequence(OS& os, Sequence const& seq)
80 delimiter_out<tuple_open_tag>::print(os, "(");
81 print_sequence_loop::call(os, fusion::begin(seq), fusion::end(seq));
82 delimiter_out<tuple_close_tag>::print(os, ")");