1 /*============================================================================= 2 Copyright (c) 2001-2011 Hartmut Kaiser 3 Copyright (c) 2011 Bryce Lelbach 4 5 Distributed under the Boost Software License, Version 1.0. (See accompanying 6 file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) 7 ==============================================================================*/ 8 #if !defined(BOOST_SPIRIT_TEST_QI_BOOL) 9 #define BOOST_SPIRIT_TEST_QI_BOOL 10 11 #include <boost/detail/lightweight_test.hpp> 12 13 #include <boost/spirit/include/support_argument.hpp> 14 #include <boost/spirit/include/qi_char.hpp> 15 #include <boost/spirit/include/qi_numeric.hpp> 16 #include <boost/spirit/include/qi_directive.hpp> 17 #include <boost/cstdint.hpp> 18 #include "test.hpp" 19 20 /////////////////////////////////////////////////////////////////////////////// 21 struct backwards_bool_policies : boost::spirit::qi::bool_policies<> 22 { 23 // we want to interpret a 'true' spelled backwards as 'false' 24 template <typename Iterator, typename Attribute> 25 static bool parse_falsebackwards_bool_policies26 parse_false(Iterator& first, Iterator const& last, Attribute& attr) 27 { 28 namespace spirit = boost::spirit; 29 namespace qi = boost::spirit::qi; 30 if (qi::detail::string_parse("eurt", first, last, qi::unused)) 31 { 32 spirit::traits::assign_to(false, attr); // result is false 33 return true; 34 } 35 return false; 36 } 37 }; 38 39 /////////////////////////////////////////////////////////////////////////////// 40 struct test_bool_type 41 { test_bool_typetest_bool_type42 test_bool_type(bool b) : b(b) {} // provide conversion 43 bool b; 44 }; 45 46 #endif 47 48