| /*============================================================================= |
| Copyright (c) 2001-2011 Joel de Guzman |
| Copyright (c) 2011 Bryce Lelbach |
| 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(SPIRIT_UINT_APR_17_2006_0901AM) |
| #define SPIRIT_UINT_APR_17_2006_0901AM |
| |
| #if defined(_MSC_VER) |
| #pragma once |
| #endif |
| |
| #include <boost/spirit/home/qi/skip_over.hpp> |
| #include <boost/spirit/home/qi/detail/enable_lit.hpp> |
| #include <boost/spirit/home/qi/numeric/numeric_utils.hpp> |
| #include <boost/spirit/home/qi/meta_compiler.hpp> |
| #include <boost/spirit/home/qi/parser.hpp> |
| #include <boost/spirit/home/support/common_terminals.hpp> |
| #include <boost/spirit/home/support/info.hpp> |
| #include <boost/spirit/home/support/detail/is_spirit_tag.hpp> |
| #include <boost/mpl/assert.hpp> |
| #include <boost/type_traits/is_same.hpp> |
| |
| namespace boost { namespace spirit |
| { |
| namespace tag |
| { |
| template <typename T, unsigned Radix, unsigned MinDigits |
| , int MaxDigits> |
| struct uint_parser |
| { |
| BOOST_SPIRIT_IS_TAG() |
| }; |
| } |
| |
| namespace qi |
| { |
| /////////////////////////////////////////////////////////////////////// |
| // This one is the class that the user can instantiate directly in |
| // order to create a customized int parser |
| template <typename T = int, unsigned Radix = 10, unsigned MinDigits = 1 |
| , int MaxDigits = -1> |
| struct uint_parser |
| : spirit::terminal<tag::uint_parser<T, Radix, MinDigits, MaxDigits> > |
| {}; |
| } |
| |
| /////////////////////////////////////////////////////////////////////////// |
| // Enablers |
| /////////////////////////////////////////////////////////////////////////// |
| template <> // enables ushort_ |
| struct use_terminal<qi::domain, tag::ushort_> : mpl::true_ {}; |
| |
| template <typename A0> // enables lit(n) |
| struct use_terminal<qi::domain |
| , terminal_ex<tag::lit, fusion::vector1<A0> > |
| , typename enable_if<is_same<A0, unsigned short> >::type> |
| : mpl::true_ {}; |
| |
| template <typename A0> // enables ushort_(n) |
| struct use_terminal<qi::domain |
| , terminal_ex<tag::ushort_, fusion::vector1<A0> > > |
| : is_arithmetic<A0> {}; |
| |
| template <> // enables *lazy* ushort_(n) |
| struct use_lazy_terminal<qi::domain, tag::ushort_, 1> : mpl::true_ {}; |
| |
| /////////////////////////////////////////////////////////////////////////// |
| template <> // enables uint_ |
| struct use_terminal<qi::domain, tag::uint_> : mpl::true_ {}; |
| |
| template <typename A0> // enables lit(n) |
| struct use_terminal<qi::domain |
| , terminal_ex<tag::lit, fusion::vector1<A0> > |
| , typename enable_if<is_same<A0, unsigned> >::type> |
| : mpl::true_ {}; |
| |
| template <typename A0> // enables uint_(n) |
| struct use_terminal<qi::domain |
| , terminal_ex<tag::uint_, fusion::vector1<A0> > > |
| : is_arithmetic<A0> {}; |
| |
| template <> // enables *lazy* uint_(n) |
| struct use_lazy_terminal<qi::domain, tag::uint_, 1> : mpl::true_ {}; |
| |
| /////////////////////////////////////////////////////////////////////////// |
| template <> // enables ulong_ |
| struct use_terminal<qi::domain, tag::ulong_> : mpl::true_ {}; |
| |
| template <typename A0> // enables lit(n) |
| struct use_terminal<qi::domain |
| , terminal_ex<tag::lit, fusion::vector1<A0> > |
| , typename enable_if<is_same<A0, unsigned long> >::type> |
| : mpl::true_ {}; |
| |
| template <typename A0> // enables ulong_(n) |
| struct use_terminal<qi::domain |
| , terminal_ex<tag::ulong_, fusion::vector1<A0> > > |
| : is_arithmetic<A0> {}; |
| |
| template <> // enables *lazy* ulong_(n) |
| struct use_lazy_terminal<qi::domain, tag::ulong_, 1> : mpl::true_ {}; |
| |
| /////////////////////////////////////////////////////////////////////////// |
| #ifdef BOOST_HAS_LONG_LONG |
| template <> // enables ulong_long |
| struct use_terminal<qi::domain, tag::ulong_long> : mpl::true_ {}; |
| |
| template <typename A0> // enables lit(n) |
| struct use_terminal<qi::domain |
| , terminal_ex<tag::lit, fusion::vector1<A0> > |
| , typename enable_if<is_same<A0, boost::ulong_long_type> >::type> |
| : mpl::true_ {}; |
| |
| template <typename A0> // enables ulong_long(n) |
| struct use_terminal<qi::domain |
| , terminal_ex<tag::ulong_long, fusion::vector1<A0> > > |
| : is_arithmetic<A0> {}; |
| |
| template <> // enables *lazy* ulong_long(n) |
| struct use_lazy_terminal<qi::domain, tag::ulong_long, 1> : mpl::true_ {}; |
| #endif |
| |
| /////////////////////////////////////////////////////////////////////////// |
| template <> // enables bin |
| struct use_terminal<qi::domain, tag::bin> : mpl::true_ {}; |
| |
| template <typename A0> // enables bin(n) |
| struct use_terminal<qi::domain |
| , terminal_ex<tag::bin, fusion::vector1<A0> > > |
| : is_arithmetic<A0> {}; |
| |
| template <> // enables *lazy* bin(n) |
| struct use_lazy_terminal<qi::domain, tag::bin, 1> : mpl::true_ {}; |
| |
| /////////////////////////////////////////////////////////////////////////// |
| template <> // enables oct |
| struct use_terminal<qi::domain, tag::oct> : mpl::true_ {}; |
| |
| template <typename A0> // enables oct(n) |
| struct use_terminal<qi::domain |
| , terminal_ex<tag::oct, fusion::vector1<A0> > > |
| : is_arithmetic<A0> {}; |
| |
| template <> // enables *lazy* oct(n) |
| struct use_lazy_terminal<qi::domain, tag::oct, 1> : mpl::true_ {}; |
| |
| /////////////////////////////////////////////////////////////////////////// |
| template <> // enables hex |
| struct use_terminal<qi::domain, tag::hex> : mpl::true_ {}; |
| |
| template <typename A0> // enables hex(n) |
| struct use_terminal<qi::domain |
| , terminal_ex<tag::hex, fusion::vector1<A0> > > |
| : is_arithmetic<A0> {}; |
| |
| template <> // enables *lazy* hex(n) |
| struct use_lazy_terminal<qi::domain, tag::hex, 1> : mpl::true_ {}; |
| |
| /////////////////////////////////////////////////////////////////////////// |
| // enables any custom uint_parser |
| template <typename T, unsigned Radix, unsigned MinDigits |
| , int MaxDigits> |
| struct use_terminal<qi::domain |
| , tag::uint_parser<T, Radix, MinDigits, MaxDigits> > |
| : mpl::true_ {}; |
| |
| // enables any custom uint_parser(n) |
| template <typename T, unsigned Radix, unsigned MinDigits |
| , int MaxDigits, typename A0> |
| struct use_terminal<qi::domain |
| , terminal_ex<tag::uint_parser<T, Radix, MinDigits, MaxDigits> |
| , fusion::vector1<A0> > |
| > : mpl::true_ {}; |
| |
| // enables *lazy* custom uint_parser(n) |
| template <typename T, unsigned Radix, unsigned MinDigits |
| , int MaxDigits> |
| struct use_lazy_terminal<qi::domain |
| , tag::uint_parser<T, Radix, MinDigits, MaxDigits>, 1 |
| > : mpl::true_ {}; |
| }} |
| |
| namespace boost { namespace spirit { namespace qi |
| { |
| #ifndef BOOST_SPIRIT_NO_PREDEFINED_TERMINALS |
| using spirit::bin; |
| using spirit::oct; |
| using spirit::hex; |
| |
| using spirit::ushort_; |
| using spirit::uint_; |
| using spirit::ulong_; |
| #ifdef BOOST_HAS_LONG_LONG |
| using spirit::ulong_long; |
| #endif |
| using spirit::lit; // lit(1) is equivalent to 1 |
| #endif |
| |
| using spirit::bin_type; |
| using spirit::oct_type; |
| using spirit::hex_type; |
| |
| using spirit::ushort_type; |
| using spirit::uint_type; |
| using spirit::ulong_type; |
| #ifdef BOOST_HAS_LONG_LONG |
| using spirit::ulong_long_type; |
| #endif |
| using spirit::lit_type; |
| |
| /////////////////////////////////////////////////////////////////////////// |
| // This is the actual uint parser |
| /////////////////////////////////////////////////////////////////////////// |
| template <typename T, unsigned Radix = 10, unsigned MinDigits = 1 |
| , int MaxDigits = -1> |
| struct any_uint_parser |
| : primitive_parser<any_uint_parser<T, Radix, MinDigits, MaxDigits> > |
| { |
| // check template parameter 'Radix' for validity |
| BOOST_SPIRIT_ASSERT_MSG( |
| Radix >= 2 && Radix <= 36, |
| not_supported_radix, ()); |
| |
| template <typename Context, typename Iterator> |
| struct attribute |
| { |
| typedef T type; |
| }; |
| |
| template <typename Iterator, typename Context |
| , typename Skipper, typename Attribute> |
| bool parse(Iterator& first, Iterator const& last |
| , Context& /*context*/, Skipper const& skipper |
| , Attribute& attr_) const |
| { |
| typedef extract_uint<T, Radix, MinDigits, MaxDigits> extract; |
| qi::skip_over(first, last, skipper); |
| return extract::call(first, last, attr_); |
| } |
| |
| template <typename Context> |
| info what(Context& /*context*/) const |
| { |
| return info("unsigned-integer"); |
| } |
| }; |
| //] |
| |
| template <typename T, unsigned Radix = 10, unsigned MinDigits = 1 |
| , int MaxDigits = -1, bool no_attribute = true> |
| struct literal_uint_parser |
| : primitive_parser<literal_uint_parser<T, Radix, MinDigits, MaxDigits |
| , no_attribute> > |
| { |
| // check template parameter 'Radix' for validity |
| BOOST_SPIRIT_ASSERT_MSG( |
| Radix == 2 || Radix == 8 || Radix == 10 || Radix == 16, |
| not_supported_radix, ()); |
| |
| template <typename Value> |
| literal_uint_parser(Value const& n) : n_(n) {} |
| |
| template <typename Context, typename Iterator> |
| struct attribute |
| : mpl::if_c<no_attribute, unused_type, T> |
| {}; |
| |
| template <typename Iterator, typename Context |
| , typename Skipper, typename Attribute> |
| bool parse(Iterator& first, Iterator const& last |
| , Context& /*context*/, Skipper const& skipper |
| , Attribute& attr_param) const |
| { |
| typedef extract_uint<T, Radix, MinDigits, MaxDigits> extract; |
| qi::skip_over(first, last, skipper); |
| |
| Iterator save = first; |
| T attr_; |
| |
| if (extract::call(first, last, attr_) && (attr_ == n_)) |
| { |
| traits::assign_to(attr_, attr_param); |
| return true; |
| } |
| |
| first = save; |
| return false; |
| } |
| |
| template <typename Context> |
| info what(Context& /*context*/) const |
| { |
| return info("unsigned-integer"); |
| } |
| |
| T n_; |
| }; |
| |
| /////////////////////////////////////////////////////////////////////////// |
| // Parser generators: make_xxx function (objects) |
| /////////////////////////////////////////////////////////////////////////// |
| template <typename T, unsigned Radix = 10, unsigned MinDigits = 1 |
| , int MaxDigits = -1> |
| struct make_uint |
| { |
| typedef any_uint_parser<T, Radix, MinDigits, MaxDigits> result_type; |
| result_type operator()(unused_type, unused_type) const |
| { |
| return result_type(); |
| } |
| }; |
| |
| template <typename T, unsigned Radix = 10, unsigned MinDigits = 1 |
| , int MaxDigits = -1> |
| struct make_direct_uint |
| { |
| typedef literal_uint_parser<T, Radix, MinDigits, MaxDigits, false> |
| result_type; |
| template <typename Terminal> |
| result_type operator()(Terminal const& term, unused_type) const |
| { |
| return result_type(fusion::at_c<0>(term.args)); |
| } |
| }; |
| |
| template <typename T, unsigned Radix = 10, unsigned MinDigits = 1 |
| , int MaxDigits = -1> |
| struct make_literal_uint |
| { |
| typedef literal_uint_parser<T, Radix, MinDigits, MaxDigits> result_type; |
| template <typename Terminal> |
| result_type operator()(Terminal const& term, unused_type) const |
| { |
| return result_type(fusion::at_c<0>(term.args)); |
| } |
| }; |
| |
| /////////////////////////////////////////////////////////////////////////// |
| template <typename Modifiers, typename A0> |
| struct make_primitive< |
| terminal_ex<tag::lit, fusion::vector1<A0> > |
| , Modifiers, typename enable_if<is_same<A0, unsigned short> >::type> |
| : make_literal_uint<unsigned short> {}; |
| |
| template <typename Modifiers, typename A0> |
| struct make_primitive< |
| terminal_ex<tag::lit, fusion::vector1<A0> > |
| , Modifiers, typename enable_if<is_same<A0, unsigned> >::type> |
| : make_literal_uint<unsigned> {}; |
| |
| template <typename Modifiers, typename A0> |
| struct make_primitive< |
| terminal_ex<tag::lit, fusion::vector1<A0> > |
| , Modifiers, typename enable_if<is_same<A0, unsigned long> >::type> |
| : make_literal_uint<unsigned long> {}; |
| |
| #ifdef BOOST_HAS_LONG_LONG |
| template <typename Modifiers, typename A0> |
| struct make_primitive< |
| terminal_ex<tag::lit, fusion::vector1<A0> > |
| , Modifiers, typename enable_if<is_same<A0, boost::ulong_long_type> >::type> |
| : make_literal_uint<boost::ulong_long_type> {}; |
| #endif |
| |
| /////////////////////////////////////////////////////////////////////////// |
| template <typename T, unsigned Radix, unsigned MinDigits, int MaxDigits |
| , typename Modifiers> |
| struct make_primitive< |
| tag::uint_parser<T, Radix, MinDigits, MaxDigits> |
| , Modifiers> |
| : make_uint<T, Radix, MinDigits, MaxDigits> {}; |
| |
| template <typename T, unsigned Radix, unsigned MinDigits, int MaxDigits |
| , typename A0, typename Modifiers> |
| struct make_primitive< |
| terminal_ex<tag::uint_parser<T, Radix, MinDigits, MaxDigits> |
| , fusion::vector1<A0> >, Modifiers> |
| : make_direct_uint<T, Radix, MinDigits, MaxDigits> {}; |
| |
| /////////////////////////////////////////////////////////////////////////// |
| template <typename Modifiers> |
| struct make_primitive<tag::bin, Modifiers> |
| : make_uint<unsigned, 2> {}; |
| |
| template <typename Modifiers, typename A0> |
| struct make_primitive< |
| terminal_ex<tag::bin |
| , fusion::vector1<A0> > , Modifiers> |
| : make_direct_uint<unsigned, 2> {}; |
| |
| /////////////////////////////////////////////////////////////////////////// |
| template <typename Modifiers> |
| struct make_primitive<tag::oct, Modifiers> |
| : make_uint<unsigned, 8> {}; |
| |
| template <typename Modifiers, typename A0> |
| struct make_primitive< |
| terminal_ex<tag::oct |
| , fusion::vector1<A0> > , Modifiers> |
| : make_direct_uint<unsigned, 8> {}; |
| |
| /////////////////////////////////////////////////////////////////////////// |
| template <typename Modifiers> |
| struct make_primitive<tag::hex, Modifiers> |
| : make_uint<unsigned, 16> {}; |
| |
| template <typename Modifiers, typename A0> |
| struct make_primitive< |
| terminal_ex<tag::hex |
| , fusion::vector1<A0> > , Modifiers> |
| : make_direct_uint<unsigned, 16> {}; |
| |
| /////////////////////////////////////////////////////////////////////////// |
| template <typename Modifiers> |
| struct make_primitive<tag::ushort_, Modifiers> |
| : make_uint<unsigned short> {}; |
| |
| template <typename Modifiers, typename A0> |
| struct make_primitive< |
| terminal_ex<tag::ushort_ |
| , fusion::vector1<A0> > , Modifiers> |
| : make_direct_uint<unsigned short> {}; |
| |
| /////////////////////////////////////////////////////////////////////////// |
| template <typename Modifiers> |
| struct make_primitive<tag::uint_, Modifiers> |
| : make_uint<unsigned> {}; |
| |
| template <typename Modifiers, typename A0> |
| struct make_primitive< |
| terminal_ex<tag::uint_ |
| , fusion::vector1<A0> > , Modifiers> |
| : make_direct_uint<unsigned> {}; |
| |
| /////////////////////////////////////////////////////////////////////////// |
| template <typename Modifiers> |
| struct make_primitive<tag::ulong_, Modifiers> |
| : make_uint<unsigned long> {}; |
| |
| template <typename Modifiers, typename A0> |
| struct make_primitive< |
| terminal_ex<tag::ulong_ |
| , fusion::vector1<A0> > , Modifiers> |
| : make_direct_uint<unsigned long> {}; |
| |
| /////////////////////////////////////////////////////////////////////////// |
| #ifdef BOOST_HAS_LONG_LONG |
| template <typename Modifiers> |
| struct make_primitive<tag::ulong_long, Modifiers> |
| : make_uint<boost::ulong_long_type> {}; |
| |
| template <typename Modifiers, typename A0> |
| struct make_primitive< |
| terminal_ex<tag::ulong_long |
| , fusion::vector1<A0> > , Modifiers> |
| : make_direct_uint<boost::ulong_long_type> {}; |
| #endif |
| }}} |
| |
| #endif |