ceph/src/boost/boost/spirit/home/karma/detail/fail_function.hpp

   1 //  Copyright (c) 2001-2011 Hartmut Kaiser
   2 //  Copyright (c) 2001-2011 Joel de Guzman
   3 //
   4 //  Distributed under the Boost Software License, Version 1.0. (See accompanying
   5 //  file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
   6
   7 #if !defined(SPIRIT_KARMA_SEQUENCE_FEB_28_2007_0249PM)
   8 #define SPIRIT_KARMA_SEQUENCE_FEB_28_2007_0249PM
   9
  10 #if defined(_MSC_VER)
  11 #pragma once
  12 #endif
  13
  14 #include <boost/spirit/home/support/unused.hpp>
  15 #include <boost/config.hpp>
  16
  17 namespace boost { namespace spirit { namespace karma { namespace detail
  18 {
  19     template <typename OutputIterator, typename Context, typename Delimiter>
  20     struct fail_function
  21     {
  22         typedef Context context_type;
  23
  24         fail_function(OutputIterator& sink_, Context& context_
  25             , Delimiter const& delim_)
  26           : sink(sink_), ctx(context_), delim(delim_)
  27         {}
  28
  29         template <typename Component, typename Attribute>
  30         bool operator()(Component const& component, Attribute const& attr) const
  31         {
  32 #if BOOST_WORKAROUND(BOOST_MSVC, BOOST_TESTED_AT(1600))
  33             component; // suppresses warning: C4100: 'component' : unreferenced formal parameter
  34 #endif
  35             // return true if any of the generators fail
  36             return !component.generate(sink, ctx, delim, attr);
  37         }
  38
  39         template <typename Component>
  40         bool operator()(Component const& component) const
  41         {
  42 #if BOOST_WORKAROUND(BOOST_MSVC, BOOST_TESTED_AT(1600))
  43             component; // suppresses warning: C4100: 'component' : unreferenced formal parameter
  44 #endif
  45             // return true if any of the generators fail
  46             return !component.generate(sink, ctx, delim, unused);
  47         }
  48
  49         OutputIterator& sink;
  50         Context& ctx;
  51         Delimiter const& delim;
  52
  53         // silence MSVC warning C4512: assignment operator could not be generated
  54         BOOST_DELETED_FUNCTION(fail_function& operator= (fail_function const&))
  55     };
  56
  57 }}}}
  58
  59 #endif