]>
Commit | Line | Data |
---|---|---|
7c673cae FG |
1 | /*============================================================================= |
2 | Copyright (c) 2001-2011 Hartmut Kaiser | |
3 | ||
4 | Distributed under the Boost Software License, Version 1.0. (See accompanying | |
5 | file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) | |
6 | ==============================================================================*/ | |
7 | #if !defined(SPIRIT_QI_BOOL_POLICIES_SEP_29_2009_0710AM) | |
8 | #define SPIRIT_QI_BOOL_POLICIES_SEP_29_2009_0710AM | |
9 | ||
10 | #if defined(_MSC_VER) | |
11 | #pragma once | |
12 | #endif | |
13 | ||
14 | #include <boost/spirit/home/qi/detail/string_parse.hpp> | |
15 | #include <boost/spirit/home/qi/detail/assign_to.hpp> | |
16 | ||
17 | namespace boost { namespace spirit { namespace qi | |
18 | { | |
19 | /////////////////////////////////////////////////////////////////////////// | |
20 | // Default boolean policies | |
21 | /////////////////////////////////////////////////////////////////////////// | |
22 | template <typename T = bool> | |
23 | struct bool_policies | |
24 | { | |
25 | template <typename Iterator, typename Attribute> | |
26 | static bool | |
27 | parse_true(Iterator& first, Iterator const& last, Attribute& attr_) | |
28 | { | |
29 | if (detail::string_parse("true", first, last, unused)) | |
30 | { | |
31 | spirit::traits::assign_to(T(true), attr_); // result is true | |
32 | return true; | |
33 | } | |
34 | return false; | |
35 | } | |
36 | ||
37 | template <typename Iterator, typename Attribute> | |
38 | static bool | |
39 | parse_false(Iterator& first, Iterator const& last, Attribute& attr_) | |
40 | { | |
41 | if (detail::string_parse("false", first, last, unused)) | |
42 | { | |
43 | spirit::traits::assign_to(T(false), attr_); // result is false | |
44 | return true; | |
45 | } | |
46 | return false; | |
47 | } | |
48 | }; | |
49 | ||
50 | /////////////////////////////////////////////////////////////////////////// | |
51 | template <typename T = bool> | |
52 | struct no_case_bool_policies | |
53 | { | |
54 | template <typename Iterator, typename Attribute> | |
55 | static bool | |
56 | parse_true(Iterator& first, Iterator const& last, Attribute& attr_) | |
57 | { | |
58 | if (detail::string_parse("true", "TRUE", first, last, unused)) | |
59 | { | |
60 | spirit::traits::assign_to(T(true), attr_); // result is true | |
61 | return true; | |
62 | } | |
63 | return false; | |
64 | } | |
65 | ||
66 | template <typename Iterator, typename Attribute> | |
67 | static bool | |
68 | parse_false(Iterator& first, Iterator const& last, Attribute& attr_) | |
69 | { | |
70 | if (detail::string_parse("false", "FALSE", first, last, unused)) | |
71 | { | |
72 | spirit::traits::assign_to(T(false), attr_); // result is false | |
73 | return true; | |
74 | } | |
75 | return false; | |
76 | } | |
77 | }; | |
78 | ||
79 | }}} | |
80 | ||
81 | #endif |