Chris@16: /*=============================================================================
Chris@16:     Copyright (c) 2001-2011 Hartmut Kaiser
Chris@16: 
Chris@16:     Distributed under the Boost Software License, Version 1.0. (See accompanying
Chris@16:     file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
Chris@16: ==============================================================================*/
Chris@16: #if !defined(SPIRIT_QI_BOOL_POLICIES_SEP_29_2009_0710AM)
Chris@16: #define SPIRIT_QI_BOOL_POLICIES_SEP_29_2009_0710AM
Chris@16: 
Chris@16: #if defined(_MSC_VER)
Chris@16: #pragma once
Chris@16: #endif
Chris@16: 
Chris@16: #include <boost/spirit/home/qi/detail/string_parse.hpp>
Chris@16: #include <boost/spirit/home/qi/detail/assign_to.hpp>
Chris@16: 
Chris@16: namespace boost { namespace spirit { namespace qi
Chris@16: {
Chris@16:     ///////////////////////////////////////////////////////////////////////////
Chris@16:     //  Default boolean policies
Chris@16:     ///////////////////////////////////////////////////////////////////////////
Chris@16:     template <typename T = bool>
Chris@16:     struct bool_policies
Chris@16:     {
Chris@16:         template <typename Iterator, typename Attribute>
Chris@16:         static bool
Chris@16:         parse_true(Iterator& first, Iterator const& last, Attribute& attr_)
Chris@16:         {
Chris@16:             if (detail::string_parse("true", first, last, unused))
Chris@16:             {
Chris@16:                 spirit::traits::assign_to(T(true), attr_);    // result is true
Chris@16:                 return true;
Chris@16:             }
Chris@16:             return false;
Chris@16:         }
Chris@16: 
Chris@16:         template <typename Iterator, typename Attribute>
Chris@16:         static bool
Chris@16:         parse_false(Iterator& first, Iterator const& last, Attribute& attr_)
Chris@16:         {
Chris@16:             if (detail::string_parse("false", first, last, unused))
Chris@16:             {
Chris@16:                 spirit::traits::assign_to(T(false), attr_);   // result is false
Chris@16:                 return true;
Chris@16:             }
Chris@16:             return false;
Chris@16:         }
Chris@16:     };
Chris@16: 
Chris@16:     ///////////////////////////////////////////////////////////////////////////
Chris@16:     template <typename T = bool>
Chris@16:     struct no_case_bool_policies
Chris@16:     {
Chris@16:         template <typename Iterator, typename Attribute>
Chris@16:         static bool
Chris@16:         parse_true(Iterator& first, Iterator const& last, Attribute& attr_)
Chris@16:         {
Chris@16:             if (detail::string_parse("true", "TRUE", first, last, unused))
Chris@16:             {
Chris@16:                 spirit::traits::assign_to(T(true), attr_);    // result is true
Chris@16:                 return true;
Chris@16:             }
Chris@16:             return false;
Chris@16:         }
Chris@16: 
Chris@16:         template <typename Iterator, typename Attribute>
Chris@16:         static bool
Chris@16:         parse_false(Iterator& first, Iterator const& last, Attribute& attr_)
Chris@16:         {
Chris@16:             if (detail::string_parse("false", "FALSE", first, last, unused))
Chris@16:             {
Chris@16:                 spirit::traits::assign_to(T(false), attr_);   // result is false
Chris@16:                 return true;
Chris@16:             }
Chris@16:             return false;
Chris@16:         }
Chris@16:     };
Chris@16: 
Chris@16: }}}
Chris@16: 
Chris@16: #endif