Chris@102: /*=============================================================================
Chris@102:     Copyright (c) 2009  Hartmut Kaiser
Chris@102:     Copyright (c) 2014  Joel de Guzman
Chris@102: 
Chris@102:     Distributed under the Boost Software License, Version 1.0. (See accompanying
Chris@102:     file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
Chris@102: ==============================================================================*/
Chris@102: #if !defined(SPIRIT_QI_BOOL_POLICIES_SEP_29_2009_0710AM)
Chris@102: #define SPIRIT_QI_BOOL_POLICIES_SEP_29_2009_0710AM
Chris@102: 
Chris@102: #if defined(_MSC_VER)
Chris@102: #pragma once
Chris@102: #endif
Chris@102: 
Chris@102: #include <boost/spirit/home/x3/string/detail/string_parse.hpp>
Chris@102: #include <boost/spirit/home/x3/support/traits/move_to.hpp>
Chris@102: 
Chris@102: namespace boost { namespace spirit { namespace x3
Chris@102: {
Chris@102:     ///////////////////////////////////////////////////////////////////////////
Chris@102:     //  Default boolean policies
Chris@102:     ///////////////////////////////////////////////////////////////////////////
Chris@102:     template <typename T = bool>
Chris@102:     struct bool_policies
Chris@102:     {
Chris@102:         template <typename Iterator, typename Attribute>
Chris@102:         static bool
Chris@102:         parse_true(Iterator& first, Iterator const& last, Attribute& attr_)
Chris@102:         {
Chris@102:             if (detail::string_parse("true", first, last, unused))
Chris@102:             {
Chris@102:                 traits::move_to(T(true), attr_);    // result is true
Chris@102:                 return true;
Chris@102:             }
Chris@102:             return false;
Chris@102:         }
Chris@102: 
Chris@102:         template <typename Iterator, typename Attribute>
Chris@102:         static bool
Chris@102:         parse_false(Iterator& first, Iterator const& last, Attribute& attr_)
Chris@102:         {
Chris@102:             if (detail::string_parse("false", first, last, unused))
Chris@102:             {
Chris@102:                 traits::move_to(T(false), attr_);   // result is false
Chris@102:                 return true;
Chris@102:             }
Chris@102:             return false;
Chris@102:         }
Chris@102:     };
Chris@102: }}}
Chris@102: 
Chris@102: #endif