ceph/src/boost/libs/spirit/include/boost/spirit/home/karma/stream/format_manip.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_FORMAT_MANIP_MAY_01_2007_1211PM)
   7 #define BOOST_SPIRIT_KARMA_FORMAT_MANIP_MAY_01_2007_1211PM
   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/generator.hpp>
  15 #include <boost/spirit/home/karma/detail/output_iterator.hpp>
  16 #include <boost/spirit/home/karma/stream/detail/format_manip.hpp>
  17 #include <boost/spirit/home/support/unused.hpp>
  18
  19 ///////////////////////////////////////////////////////////////////////////////
  20 namespace boost { namespace spirit { namespace karma
  21 {
  22     ///////////////////////////////////////////////////////////////////////////
  23     template <typename Expr>
  24     inline typename detail::format<Expr>::type
  25     format(Expr const& expr)
  26     {
  27         return detail::format<Expr>::call(expr);
  28     }
  29
  30     template <typename Expr, typename Attribute>
  31     inline detail::format_manip<Expr, mpl::false_, mpl::false_, unused_type, Attribute>
  32     format(
  33         Expr const& expr
  34       , Attribute const& attr)
  35     {
  36         using karma::detail::format_manip;
  37
  38         // Report invalid expression error as early as possible.
  39         // If you got an error_invalid_expression error message here,
  40         // then the expression (expr) is not a valid spirit karma expression.
  41         BOOST_SPIRIT_ASSERT_MATCH(karma::domain, Expr);
  42         return format_manip<Expr, mpl::false_, mpl::false_, unused_type, Attribute>(
  43             expr, unused, attr);
  44     }
  45
  46     ///////////////////////////////////////////////////////////////////////////
  47     template <typename Expr, typename Delimiter>
  48     inline typename detail::format_delimited<Expr, Delimiter>::type
  49     format_delimited(
  50         Expr const& expr
  51       , Delimiter const& d
  52       , BOOST_SCOPED_ENUM(delimit_flag) pre_delimit =
  53             delimit_flag::dont_predelimit)
  54     {
  55         return detail::format_delimited<Expr, Delimiter>::call(expr, d, pre_delimit);
  56     }
  57
  58     template <typename Expr, typename Delimiter, typename Attribute>
  59     inline detail::format_manip<Expr, mpl::false_, mpl::false_, Delimiter, Attribute>
  60     format_delimited(
  61         Expr const& xpr
  62       , Delimiter const& d
  63       , BOOST_SCOPED_ENUM(delimit_flag) pre_delimit
  64       , Attribute const& attr)
  65     {
  66         using karma::detail::format_manip;
  67
  68         // Report invalid expression error as early as possible.
  69         // If you got an error_invalid_expression error message here,
  70         // then the expression (expr) is not a valid spirit karma expression.
  71         BOOST_SPIRIT_ASSERT_MATCH(karma::domain, Expr);
  72         BOOST_SPIRIT_ASSERT_MATCH(karma::domain, Delimiter);
  73         return format_manip<Expr, mpl::false_, mpl::false_, Delimiter, Attribute>(
  74             xpr, d, pre_delimit, attr);
  75     }
  76
  77     template <typename Expr, typename Delimiter, typename Attribute>
  78     inline detail::format_manip<Expr, mpl::false_, mpl::false_, Delimiter, Attribute>
  79     format_delimited(
  80         Expr const& xpr
  81       , Delimiter const& d
  82       , Attribute const& attr)
  83     {
  84         using karma::detail::format_manip;
  85
  86         // Report invalid expression error as early as possible.
  87         // If you got an error_invalid_expression error message here,
  88         // then the expression (expr) is not a valid spirit karma expression.
  89         BOOST_SPIRIT_ASSERT_MATCH(karma::domain, Expr);
  90         BOOST_SPIRIT_ASSERT_MATCH(karma::domain, Delimiter);
  91         return format_manip<Expr, mpl::false_, mpl::false_, Delimiter, Attribute>(
  92             xpr, d, delimit_flag::dont_predelimit, attr);
  93     }
  94
  95     ///////////////////////////////////////////////////////////////////////////
  96     template<typename Char, typename Traits, typename Derived>
  97     inline std::basic_ostream<Char, Traits> &
  98     operator<< (std::basic_ostream<Char, Traits> &os, generator<Derived> const& g)
  99     {
 100         typedef traits::properties_of<
 101             typename result_of::compile<karma::domain, Derived>::type
 102         > properties;
 103         typedef karma::ostream_iterator<Char, Char, Traits> outiter_type;
 104
 105         outiter_type target_sink(os);
 106         karma::detail::output_iterator<outiter_type, properties> sink(target_sink);
 107
 108         if (!g.derived().generate(sink, unused, unused, unused))
 109         {
 110             os.setstate(std::ios_base::failbit);
 111         }
 112         return os;
 113     }
 114 }}}
 115
 116 #endif
 117