| /*============================================================================= |
| Copyright (c) 2001-2014 Joel de Guzman |
| Copyright (c) 2011 Jan Frederick Eick |
| |
| 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_X3_UINT_APR_17_2006_0901AM) |
| #define BOOST_SPIRIT_X3_UINT_APR_17_2006_0901AM |
| |
| #if defined(_MSC_VER) |
| #pragma once |
| #endif |
| |
| #include <boost/spirit/home/x3/core/parser.hpp> |
| #include <boost/spirit/home/x3/core/skip_over.hpp> |
| #include <boost/spirit/home/x3/support/numeric_utils/extract_int.hpp> |
| #include <cstdint> |
| |
| namespace boost { namespace spirit { namespace x3 |
| { |
| /////////////////////////////////////////////////////////////////////////// |
| template < |
| typename T |
| , unsigned Radix = 10 |
| , unsigned MinDigits = 1 |
| , int MaxDigits = -1> |
| struct uint_parser : parser<uint_parser<T, Radix, MinDigits, MaxDigits>> |
| { |
| // check template parameter 'Radix' for validity |
| static_assert( |
| (Radix >= 2 && Radix <= 36), |
| "Error Unsupported Radix"); |
| |
| typedef T attribute_type; |
| static bool const has_attribute = true; |
| |
| template <typename Iterator, typename Context, typename Attribute> |
| bool parse(Iterator& first, Iterator const& last |
| , Context const& context, unused_type, Attribute& attr) const |
| { |
| typedef extract_uint<T, Radix, MinDigits, MaxDigits> extract; |
| x3::skip_over(first, last, context); |
| return extract::call(first, last, attr); |
| } |
| }; |
| |
| #define BOOST_SPIRIT_X3_UINT_PARSER(uint_type, name) \ |
| typedef uint_parser<uint_type> name##type; \ |
| name##type const name = {}; \ |
| /***/ |
| |
| BOOST_SPIRIT_X3_UINT_PARSER(unsigned long, ulong_) |
| BOOST_SPIRIT_X3_UINT_PARSER(unsigned short, ushort_) |
| BOOST_SPIRIT_X3_UINT_PARSER(unsigned int, uint_) |
| BOOST_SPIRIT_X3_UINT_PARSER(unsigned long long, ulong_long) |
| |
| BOOST_SPIRIT_X3_UINT_PARSER(uint8_t, uint8) |
| BOOST_SPIRIT_X3_UINT_PARSER(uint16_t, uint16) |
| BOOST_SPIRIT_X3_UINT_PARSER(uint32_t, uint32) |
| BOOST_SPIRIT_X3_UINT_PARSER(uint64_t, uint64) |
| |
| #undef BOOST_SPIRIT_X3_UINT_PARSER |
| |
| #define BOOST_SPIRIT_X3_UINT_PARSER(uint_type, radix, name) \ |
| typedef uint_parser<uint_type, radix> name##type; \ |
| name##type const name = name##type(); \ |
| /***/ |
| |
| BOOST_SPIRIT_X3_UINT_PARSER(unsigned, 2, bin) |
| BOOST_SPIRIT_X3_UINT_PARSER(unsigned, 8, oct) |
| BOOST_SPIRIT_X3_UINT_PARSER(unsigned, 16, hex) |
| |
| #undef BOOST_SPIRIT_X3_UINT_PARSER |
| |
| |
| }}} |
| |
| #endif |