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- /*=============================================================================
- Copyright (c) 2001-2011 Hartmut Kaiser
- Copyright (c) 2011 Bryce Lelbach
- 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_TEST_QI_BOOL)
- #define BOOST_SPIRIT_TEST_QI_BOOL
- #include <boost/detail/lightweight_test.hpp>
- #include <boost/spirit/home/x3.hpp>
- #include "test.hpp"
- ///////////////////////////////////////////////////////////////////////////////
- struct backwards_bool_policies : boost::spirit::x3::bool_policies<>
- {
- // we want to interpret a 'true' spelled backwards as 'false'
- template <typename Iterator, typename Attribute, typename CaseCompare>
- static bool
- parse_false(Iterator& first, Iterator const& last, Attribute& attr, CaseCompare const& case_compare)
- {
- namespace spirit = boost::spirit;
- namespace x3 = boost::spirit::x3;
- if (x3::detail::string_parse("eurt", first, last, x3::unused, case_compare))
- {
- x3::traits::move_to(false, attr); // result is false
- return true;
- }
- return false;
- }
- };
- ///////////////////////////////////////////////////////////////////////////////
- struct test_bool_type
- {
- test_bool_type(bool b = false) : b(b) {} // provide conversion
- bool b;
- };
- #endif
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