projects / ceph.git / blame
| Commit | Line | Data |
|---|---|---|
| 7c673cae FG |
1 | /*============================================================================= |
| 2 | Copyright (c) 2001-2014 Joel de Guzman | |
| 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(BOOST_SPIRIT_X3_INT_APR_17_2006_0830AM) | |
| 8 | #define BOOST_SPIRIT_X3_INT_APR_17_2006_0830AM | |
| 9 | ||
| 10 | #include <boost/spirit/home/x3/core/parser.hpp> | |
| 11 | #include <boost/spirit/home/x3/core/skip_over.hpp> | |
| 12 | #include <boost/spirit/home/x3/support/numeric_utils/extract_int.hpp> | |
| 13 | #include <cstdint> | |
| 14 | ||
| 15 | namespace boost { namespace spirit { namespace x3 | |
| 16 | { | |
| 17 | /////////////////////////////////////////////////////////////////////////// | |
| 18 | template < | |
| 19 | typename T | |
| 20 | , unsigned Radix = 10 | |
| 21 | , unsigned MinDigits = 1 | |
| 22 | , int MaxDigits = -1> | |
| 23 | struct int_parser : parser<int_parser<T, Radix, MinDigits, MaxDigits>> | |
| 24 | { | |
| 25 | // check template parameter 'Radix' for validity | |
| 26 | static_assert( | |
| 27 | (Radix == 2 || Radix == 8 || Radix == 10 || Radix == 16), | |
| 28 | "Error Unsupported Radix"); | |
| 29 | ||
| 30 | typedef T attribute_type; | |
| 31 | static bool const has_attribute = true; | |
| 32 | ||
| 33 | template <typename Iterator, typename Context, typename Attribute> | |
| 34 | bool parse(Iterator& first, Iterator const& last | |
| 35 | , Context const& context, unused_type, Attribute& attr) const | |
| 36 | { | |
| 37 | typedef extract_int<T, Radix, MinDigits, MaxDigits> extract; | |
| 38 | x3::skip_over(first, last, context); | |
| 39 | return extract::call(first, last, attr); | |
| 40 | } | |
| 41 | }; | |
| 42 | ||
| 43 | #define BOOST_SPIRIT_X3_INT_PARSER(int_type, name) \ | |
| 44 | typedef int_parser<int_type> name##type; \ | |
| 45 | name##type const name = {}; \ | |
| 46 | /***/ | |
| 47 | ||
| 48 | BOOST_SPIRIT_X3_INT_PARSER(long, long_) | |
| 49 | BOOST_SPIRIT_X3_INT_PARSER(short, short_) | |
| 50 | BOOST_SPIRIT_X3_INT_PARSER(int, int_) | |
| 51 | BOOST_SPIRIT_X3_INT_PARSER(long long, long_long) | |
| 52 | ||
| 53 | BOOST_SPIRIT_X3_INT_PARSER(int8_t, int8) | |
| 54 | BOOST_SPIRIT_X3_INT_PARSER(int16_t, int16) | |
| 55 | BOOST_SPIRIT_X3_INT_PARSER(int32_t, int32) | |
| 56 | BOOST_SPIRIT_X3_INT_PARSER(int64_t, int64) | |
| 57 | ||
| 58 | #undef BOOST_SPIRIT_X3_INT_PARSER | |
| 59 | ||
| 60 | }}} | |
| 61 | ||
| 62 | #endif |