ceph/src/boost/boost/geometry/srs/projections/code.hpp

   1 // Boost.Geometry
   2
   3 // Copyright (c) 2017, Oracle and/or its affiliates.
   4 // Contributed and/or modified by Adam Wulkiewicz, on behalf of Oracle
   5
   6 // Use, modification and distribution is subject to the Boost Software License,
   7 // Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
   8 // http://www.boost.org/LICENSE_1_0.txt)
   9
  10 #ifndef BOOST_GEOMETRY_PROJECTIONS_CODE_HPP
  11 #define BOOST_GEOMETRY_PROJECTIONS_CODE_HPP
  12
  13
  14 #include <algorithm>
  15 #include <string>
  16
  17
  18 namespace boost { namespace geometry { namespace projections
  19 {
  20
  21
  22 #ifndef DOXYGEN_NO_DETAIL
  23 namespace detail
  24 {
  25
  26     struct code_element
  27     {
  28         int code;
  29         std::string proj4_str;
  30     };
  31
  32     struct code_element_less
  33     {
  34         inline bool operator()(code_element const& l, code_element const& r) const
  35         {
  36             return l.code < r.code;
  37         }
  38     };
  39
  40     template<typename RandIt>
  41     inline RandIt binary_find_code_element(RandIt first, RandIt last, int code)
  42     {
  43         code_element_less comp;
  44         code_element value;
  45         value.code = code;
  46         first = std::lower_bound(first, last, value, code_element_less());
  47         return first != last && !comp(value, *first) ? first : last;
  48     }
  49
  50 }
  51 #endif // DOXYGEN_NO_DETAIL
  52
  53
  54 }}} // namespace boost::geometry::projections
  55
  56 #endif