// 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) | |
#if !defined(SPIRIT_KARMA_SEQUENCE_FEB_28_2007_0249PM) | |
#define SPIRIT_KARMA_SEQUENCE_FEB_28_2007_0249PM | |
#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 | |
{ | |
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)) | |
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)) | |
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; | |
private: | |
// silence MSVC warning C4512: assignment operator could not be generated | |
fail_function& operator= (fail_function const&); | |
}; | |
}}}} | |
#endif |