// Copyright (c) 2001-2011 Hartmut Kaiser
|
//
|
// 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(BOOST_SPIRIT_KARMA_BOOL_UTILS_SEP_28_2009_0644PM)
|
#define BOOST_SPIRIT_KARMA_BOOL_UTILS_SEP_28_2009_0644PM
|
|
#if defined(_MSC_VER)
|
#pragma once
|
#endif
|
|
#include <boost/spirit/home/support/char_class.hpp>
|
#include <boost/spirit/home/support/unused.hpp>
|
#include <boost/spirit/home/karma/detail/generate_to.hpp>
|
#include <boost/spirit/home/karma/detail/string_generate.hpp>
|
#include <boost/spirit/home/karma/numeric/detail/numeric_utils.hpp>
|
#include <boost/detail/workaround.hpp>
|
|
namespace boost { namespace spirit { namespace karma
|
{
|
///////////////////////////////////////////////////////////////////////////
|
//
|
// The bool_inserter template takes care of the boolean to string
|
// conversion. The Policies template parameter is used to allow
|
// customization of the formatting process
|
//
|
///////////////////////////////////////////////////////////////////////////
|
template <typename T>
|
struct bool_policies;
|
|
template <typename T
|
, typename Policies = bool_policies<T>
|
, typename CharEncoding = unused_type
|
, typename Tag = unused_type>
|
struct bool_inserter
|
{
|
template <typename OutputIterator, typename U>
|
static bool
|
call (OutputIterator& sink, U b, Policies const& p = Policies())
|
{
|
#if BOOST_WORKAROUND(BOOST_MSVC, BOOST_TESTED_AT(1600))
|
p; // suppresses warning: C4100: 'p' : unreferenced formal parameter
|
#endif
|
return p.template call<bool_inserter>(sink, T(b), p);
|
}
|
|
///////////////////////////////////////////////////////////////////////
|
// This is the workhorse behind the real generator
|
///////////////////////////////////////////////////////////////////////
|
template <typename OutputIterator, typename U>
|
static bool
|
call_n (OutputIterator& sink, U b, Policies const& p)
|
{
|
#if BOOST_WORKAROUND(BOOST_MSVC, BOOST_TESTED_AT(1600))
|
p; // suppresses warning: C4100: 'p' : unreferenced formal parameter
|
#endif
|
if (b)
|
return p.template generate_true<CharEncoding, Tag>(sink, b);
|
return p.template generate_false<CharEncoding, Tag>(sink, b);
|
}
|
};
|
|
}}}
|
|
#endif
|
