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/spirit/include/qi_bool.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 |
26 | 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 | { |
42 | test_bool_type(bool b) : b(b) {} // provide conversion |
43 | bool b; |
44 | }; |
45 | |
46 | #endif |
47 | |
48 | |