ceph/src/boost/libs/spirit/include/boost/spirit/home/karma/detail/generate_auto.hpp

   1 //  Copyright (c) 2001-2011 Hartmut Kaiser
   2 //
   3 //  Distributed under the Boost Software License, Version 1.0. (See accompanying
   4 //  file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
   5
   6 #if !defined(BOOST_SPIRIT_KARMA_DETAIL_GENERATE_AUTO_DEC_01_2009_0743PM)
   7 #define BOOST_SPIRIT_KARMA_DETAIL_GENERATE_AUTO_DEC_01_2009_0743PM
   8
   9 #if defined(_MSC_VER)
  10 #pragma once
  11 #endif
  12
  13 #include <boost/spirit/home/karma/generate.hpp>
  14 #include <boost/spirit/home/karma/auto/create_generator.hpp>
  15 #include <boost/utility/enable_if.hpp>
  16 #include <boost/mpl/not.hpp>
  17 #include <boost/mpl/and.hpp>
  18
  19 namespace boost { namespace spirit { namespace karma { namespace detail
  20 {
  21     ///////////////////////////////////////////////////////////////////////////
  22     template <typename Expr>
  23     struct generate_impl<Expr
  24       , typename enable_if<
  25             mpl::and_<
  26                 traits::meta_create_exists<karma::domain, Expr>
  27               , mpl::not_<traits::matches<karma::domain, Expr> > >
  28         >::type>
  29     {
  30         template <typename OutputIterator>
  31         static bool call(
  32             OutputIterator& sink
  33           , Expr const& expr)
  34         {
  35             return karma::generate(sink, create_generator<Expr>(), expr);
  36         }
  37     };
  38
  39     ///////////////////////////////////////////////////////////////////////////
  40     template <typename Expr>
  41     struct generate_delimited_impl<Expr
  42       , typename enable_if<
  43             mpl::and_<
  44                 traits::meta_create_exists<karma::domain, Expr>
  45               , mpl::not_<traits::matches<karma::domain, Expr> > >
  46         >::type>
  47     {
  48         template <typename OutputIterator, typename Delimiter>
  49         static bool call(
  50             OutputIterator& sink
  51           , Expr const& expr
  52           , Delimiter const& delimiter
  53           , BOOST_SCOPED_ENUM(delimit_flag) pre_delimit)
  54         {
  55             return karma::generate_delimited(
  56                 sink, create_generator<Expr>(), delimiter, pre_delimit, expr);
  57         }
  58     };
  59
  60 }}}}
  61
  62 #endif
  63