boost/spirit/home/karma/detail/fail_function.hpp
// Copyright (c) 2001-2011 Hartmut Kaiser
// Copyright (c) 2001-2011 Joel de Guzman
//
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
#ifndef BOOST_SPIRIT_KARMA_DETAIL_FAIL_FUNCTION_HPP
#define BOOST_SPIRIT_KARMA_DETAIL_FAIL_FUNCTION_HPP
#if defined(_MSC_VER)
#pragma once
#endif
#include <boost/spirit/home/support/unused.hpp>
#include <boost/config.hpp>
namespace boost { namespace spirit { namespace karma { namespace detail
{
#ifdef _MSC_VER
# pragma warning(push)
# pragma warning(disable: 4512) // assignment operator could not be generated.
#endif
template <typename OutputIterator, typename Context, typename Delimiter>
struct fail_function
{
typedef Context context_type;
fail_function(OutputIterator& sink_, Context& context_
, Delimiter const& delim_)
: sink(sink_), ctx(context_), delim(delim_)
{}
template <typename Component, typename Attribute>
bool operator()(Component const& component, Attribute const& attr) const
{
#if BOOST_WORKAROUND(BOOST_MSVC, BOOST_TESTED_AT(1600))
(void)component; // suppresses warning: C4100: 'component' : unreferenced formal parameter
#endif
// return true if any of the generators fail
return !component.generate(sink, ctx, delim, attr);
}
template <typename Component>
bool operator()(Component const& component) const
{
#if BOOST_WORKAROUND(BOOST_MSVC, BOOST_TESTED_AT(1600))
(void)component; // suppresses warning: C4100: 'component' : unreferenced formal parameter
#endif
// return true if any of the generators fail
return !component.generate(sink, ctx, delim, unused);
}
OutputIterator& sink;
Context& ctx;
Delimiter const& delim;
};
#ifdef _MSC_VER
# pragma warning(pop)
#endif
}}}}
#endif