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/Src/Dependencies/Boost/boost/spirit/home/karma/stream/format_manip.hpp

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C++ Header | 117 lines | 84 code | 16 blank | 17 comment | 1 complexity | 357a006bef560de5e17f20a4bc350f0a MD5 | raw file
  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///////////////////////////////////////////////////////////////////////////////
 20namespace 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