ceph/src/boost/libs/spirit/include/boost/spirit/home/x3/numeric/uint.hpp

   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 #include <boost/spirit/home/x3/core/parser.hpp>
  12 #include <boost/spirit/home/x3/core/skip_over.hpp>
  13 #include <boost/spirit/home/x3/support/numeric_utils/extract_int.hpp>
  14 #include <cstdint>
  15
  16 namespace boost { namespace spirit { namespace x3
  17 {
  18     ///////////////////////////////////////////////////////////////////////////
  19     template <
  20         typename T
  21       , unsigned Radix = 10
  22       , unsigned MinDigits = 1
  23       , int MaxDigits = -1>
  24     struct uint_parser : parser<uint_parser<T, Radix, MinDigits, MaxDigits>>
  25     {
  26         // check template parameter 'Radix' for validity
  27         static_assert(
  28             (Radix >= 2 && Radix <= 36),
  29             "Error Unsupported Radix");
  30
  31         typedef T attribute_type;
  32         static bool const has_attribute = true;
  33
  34         template <typename Iterator, typename Context, typename Attribute>
  35         bool parse(Iterator& first, Iterator const& last
  36           , Context const& context, unused_type, Attribute& attr) const
  37         {
  38             typedef extract_uint<T, Radix, MinDigits, MaxDigits> extract;
  39             x3::skip_over(first, last, context);
  40             return extract::call(first, last, attr);
  41         }
  42     };
  43
  44 #define BOOST_SPIRIT_X3_UINT_PARSER(uint_type, name)                            \
  45     typedef uint_parser<uint_type> name##type;                                  \
  46     name##type const name = {};                                                 \
  47     /***/
  48
  49     BOOST_SPIRIT_X3_UINT_PARSER(unsigned long, ulong_)
  50     BOOST_SPIRIT_X3_UINT_PARSER(unsigned short, ushort_)
  51     BOOST_SPIRIT_X3_UINT_PARSER(unsigned int, uint_)
  52     BOOST_SPIRIT_X3_UINT_PARSER(unsigned long long, ulong_long)
  53
  54     BOOST_SPIRIT_X3_UINT_PARSER(uint8_t, uint8)
  55     BOOST_SPIRIT_X3_UINT_PARSER(uint16_t, uint16)
  56     BOOST_SPIRIT_X3_UINT_PARSER(uint32_t, uint32)
  57     BOOST_SPIRIT_X3_UINT_PARSER(uint64_t, uint64)
  58
  59 #undef BOOST_SPIRIT_X3_UINT_PARSER
  60
  61 #define BOOST_SPIRIT_X3_UINT_PARSER(uint_type, radix, name)                     \
  62     typedef uint_parser<uint_type, radix> name##type;                           \
  63     name##type const name = name##type();                                       \
  64     /***/
  65
  66     BOOST_SPIRIT_X3_UINT_PARSER(unsigned, 2, bin)
  67     BOOST_SPIRIT_X3_UINT_PARSER(unsigned, 8, oct)
  68     BOOST_SPIRIT_X3_UINT_PARSER(unsigned, 16, hex)
  69
  70 #undef BOOST_SPIRIT_X3_UINT_PARSER
  71
  72
  73 }}}
  74
  75 #endif