| 1 | // Copyright 2008-2010 Gordon Woodhull |
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| 2 | // Distributed under the Boost Software License, Version 1.0. |
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| 3 | // (See accompanying file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) |
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| 4 | |
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| 5 | #ifndef BOOST_MSM_MPL_GRAPH_SEARCH_COLORS_HPP_INCLUDED |
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| 6 | #define BOOST_MSM_MPL_GRAPH_SEARCH_COLORS_HPP_INCLUDED |
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| 7 | |
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| 8 | namespace boost { |
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| 9 | namespace msm { |
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| 10 | namespace mpl_graph { |
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| 11 | |
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| 12 | namespace search_colors { |
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| 13 | struct White {}; |
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| 14 | struct Gray {}; |
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| 15 | struct Black {}; |
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| 16 | } |
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| 17 | |
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| 18 | struct create_search_color_map : mpl::map<> {}; |
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| 19 | |
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| 20 | struct search_color_map_ops { |
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| 21 | template<typename Node, typename Color, typename State> |
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| 22 | struct set_color : |
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| 23 | mpl::insert<State, mpl::pair<Node, Color> > |
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| 24 | {}; |
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| 25 | template<typename Node, typename State> |
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| 26 | struct get_color : |
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| 27 | mpl::if_<mpl::has_key<State, Node>, |
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| 28 | mpl::at<State, Node>, |
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| 29 | search_colors::White> |
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| 30 | {}; |
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| 31 | }; |
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| 32 | |
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| 33 | |
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| 34 | } // namespace mpl_graph |
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| 35 | } // namespace msm |
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| 36 | } // namespace boost |
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| 37 | |
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| 38 | |
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| 39 | #endif // BOOST_MSM_MPL_GRAPH_SEARCH_COLORS_HPP_INCLUDED |
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| 40 | |
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