ceph/src/boost/boost/geometry/strategies/index.hpp

   1 // Boost.Geometry Index
   2 //
   3 // R-tree strategies
   4 //
   5 // Copyright (c) 2019, Oracle and/or its affiliates.
   6 // Contributed and/or modified by Adam Wulkiewicz, on behalf of Oracle
   7 //
   8 // Use, modification and distribution is subject to the Boost Software License,
   9 // Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
  10 // http://www.boost.org/LICENSE_1_0.txt)
  11
  12 #ifndef BOOST_GEOMETRY_STRATEGIES_INDEX_HPP
  13 #define BOOST_GEOMETRY_STRATEGIES_INDEX_HPP
  14
  15
  16 #include <boost/geometry/core/cs.hpp>
  17
  18 #include <boost/geometry/strategies/default_strategy.hpp>
  19
  20
  21 namespace boost { namespace geometry { namespace strategy { namespace index
  22 {
  23
  24 namespace services
  25 {
  26
  27 template
  28 <
  29     typename Geometry,
  30     typename CSTag = typename geometry::cs_tag<Geometry>::type
  31 >
  32 struct default_strategy
  33 {
  34     /*BOOST_MPL_ASSERT_MSG
  35     (
  36         false, NOT_IMPLEMENTED_FOR_THESE_TYPES
  37         , (types<Geometry>)
  38     );*/
  39
  40     typedef geometry::default_strategy type;
  41 };
  42
  43
  44 // TEMP
  45 // Utility to get index strategy from other strategy
  46 // In the final version this utility will probably replaced with some other mechanism
  47 // The issue is cross-dependencies between strategies
  48 template <typename Strategy>
  49 struct from_strategy
  50 {
  51     /*BOOST_MPL_ASSERT_MSG
  52     (
  53         false, NOT_IMPLEMENTED_FOR_THESE_TYPES
  54         , (types<Strategy>)
  55     );*/
  56
  57     typedef geometry::default_strategy type;
  58
  59     static inline type get(Strategy const&)
  60     {
  61         return type();
  62     }
  63 };
  64
  65
  66 } // namespace services
  67
  68
  69 }}}} // namespace boost::geometry::strategy::index
  70
  71 #endif // BOOST_GEOMETRY_STRATEGIES_INDEX_HPP