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comparison DEPENDENCIES/generic/include/boost/spirit/home/x3/numeric/uint.hpp @ 102:f46d142149f5
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author | Chris Cannam |
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date | Mon, 07 Sep 2015 11:13:41 +0100 |
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101:c530137014c0 | 102:f46d142149f5 |
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1 /*============================================================================= | |
2 Copyright (c) 2001-2014 Joel de Guzman | |
3 Copyright (c) 2011 Jan Frederick Eick | |
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_X3_UINT_APR_17_2006_0901AM) | |
9 #define BOOST_SPIRIT_X3_UINT_APR_17_2006_0901AM | |
10 | |
11 #if defined(_MSC_VER) | |
12 #pragma once | |
13 #endif | |
14 | |
15 #include <boost/spirit/home/x3/core/parser.hpp> | |
16 #include <boost/spirit/home/x3/core/skip_over.hpp> | |
17 #include <boost/spirit/home/x3/support/numeric_utils/extract_int.hpp> | |
18 #include <cstdint> | |
19 | |
20 namespace boost { namespace spirit { namespace x3 | |
21 { | |
22 /////////////////////////////////////////////////////////////////////////// | |
23 template < | |
24 typename T | |
25 , unsigned Radix = 10 | |
26 , unsigned MinDigits = 1 | |
27 , int MaxDigits = -1> | |
28 struct uint_parser : parser<uint_parser<T, Radix, MinDigits, MaxDigits>> | |
29 { | |
30 // check template parameter 'Radix' for validity | |
31 static_assert( | |
32 (Radix >= 2 && Radix <= 36), | |
33 "Error Unsupported Radix"); | |
34 | |
35 typedef T attribute_type; | |
36 static bool const has_attribute = true; | |
37 | |
38 template <typename Iterator, typename Context, typename Attribute> | |
39 bool parse(Iterator& first, Iterator const& last | |
40 , Context const& context, unused_type, Attribute& attr) const | |
41 { | |
42 typedef extract_uint<T, Radix, MinDigits, MaxDigits> extract; | |
43 x3::skip_over(first, last, context); | |
44 return extract::call(first, last, attr); | |
45 } | |
46 }; | |
47 | |
48 #define BOOST_SPIRIT_X3_UINT_PARSER(uint_type, name) \ | |
49 typedef uint_parser<uint_type> name##type; \ | |
50 name##type const name = {}; \ | |
51 /***/ | |
52 | |
53 BOOST_SPIRIT_X3_UINT_PARSER(unsigned long, ulong_) | |
54 BOOST_SPIRIT_X3_UINT_PARSER(unsigned short, ushort_) | |
55 BOOST_SPIRIT_X3_UINT_PARSER(unsigned int, uint_) | |
56 BOOST_SPIRIT_X3_UINT_PARSER(unsigned long long, ulong_long) | |
57 | |
58 BOOST_SPIRIT_X3_UINT_PARSER(uint8_t, uint8) | |
59 BOOST_SPIRIT_X3_UINT_PARSER(uint16_t, uint16) | |
60 BOOST_SPIRIT_X3_UINT_PARSER(uint32_t, uint32) | |
61 BOOST_SPIRIT_X3_UINT_PARSER(uint64_t, uint64) | |
62 | |
63 #undef BOOST_SPIRIT_X3_UINT_PARSER | |
64 | |
65 #define BOOST_SPIRIT_X3_UINT_PARSER(uint_type, radix, name) \ | |
66 typedef uint_parser<uint_type, radix> name##type; \ | |
67 name##type const name = name##type(); \ | |
68 /***/ | |
69 | |
70 BOOST_SPIRIT_X3_UINT_PARSER(unsigned, 2, bin) | |
71 BOOST_SPIRIT_X3_UINT_PARSER(unsigned, 8, oct) | |
72 BOOST_SPIRIT_X3_UINT_PARSER(unsigned, 16, hex) | |
73 | |
74 #undef BOOST_SPIRIT_X3_UINT_PARSER | |
75 | |
76 | |
77 }}} | |
78 | |
79 #endif |