ceph/src/boost/libs/container/include/boost/container/options.hpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 //
   3 // (C) Copyright Ion Gaztanaga  2013-2013
   4 //
   5 // Distributed under the Boost Software License, Version 1.0.
   6 //    (See accompanying file LICENSE_1_0.txt or copy at
   7 //          http://www.boost.org/LICENSE_1_0.txt)
   8 //
   9 // See http://www.boost.org/libs/container for documentation.
  10 //
  11 /////////////////////////////////////////////////////////////////////////////
  12
  13 #ifndef BOOST_CONTAINER_OPTIONS_HPP
  14 #define BOOST_CONTAINER_OPTIONS_HPP
  15
  16 #ifndef BOOST_CONFIG_HPP
  17 #  include <boost/config.hpp>
  18 #endif
  19
  20 #if defined(BOOST_HAS_PRAGMA_ONCE)
  21 #  pragma once
  22 #endif
  23
  24 #include <boost/container/detail/config_begin.hpp>
  25 #include <boost/container/container_fwd.hpp>
  26 #include <boost/intrusive/pack_options.hpp>
  27
  28 namespace boost {
  29 namespace container {
  30
  31 #if !defined(BOOST_CONTAINER_DOXYGEN_INVOKED)
  32
  33 template<tree_type_enum TreeType, bool OptimizeSize>
  34 struct tree_opt
  35 {
  36    static const boost::container::tree_type_enum tree_type = TreeType;
  37    static const bool optimize_size = OptimizeSize;
  38 };
  39
  40 #endif   //!defined(BOOST_CONTAINER_DOXYGEN_INVOKED)
  41
  42 //!This option setter specifies the underlying tree type
  43 //!(red-black, AVL, Scapegoat or Splay) for ordered associative containers
  44 BOOST_INTRUSIVE_OPTION_CONSTANT(tree_type, tree_type_enum, TreeType, tree_type)
  45
  46 //!This option setter specifies if node size is optimized
  47 //!storing rebalancing data masked into pointers for ordered associative containers
  48 BOOST_INTRUSIVE_OPTION_CONSTANT(optimize_size, bool, Enabled, optimize_size)
  49
  50 //! Helper metafunction to combine options into a single type to be used
  51 //! by \c boost::container::set, \c boost::container::multiset
  52 //! \c boost::container::map and \c boost::container::multimap.
  53 //! Supported options are: \c boost::container::optimize_size and \c boost::container::tree_type
  54 #if defined(BOOST_CONTAINER_DOXYGEN_INVOKED) || defined(BOOST_CONTAINER_VARIADIC_TEMPLATES)
  55 template<class ...Options>
  56 #else
  57 template<class O1 = void, class O2 = void, class O3 = void, class O4 = void>
  58 #endif
  59 struct tree_assoc_options
  60 {
  61    /// @cond
  62    typedef typename ::boost::intrusive::pack_options
  63       < tree_assoc_defaults,
  64       #if !defined(BOOST_CONTAINER_VARIADIC_TEMPLATES)
  65       O1, O2, O3, O4
  66       #else
  67       Options...
  68       #endif
  69       >::type packed_options;
  70    typedef tree_opt<packed_options::tree_type, packed_options::optimize_size> implementation_defined;
  71    /// @endcond
  72    typedef implementation_defined type;
  73 };
  74
  75 }  //namespace container {
  76 }  //namespace boost {
  77
  78 #include <boost/container/detail/config_end.hpp>
  79
  80 #endif   //#ifndef BOOST_CONTAINER_OPTIONS_HPP