| // Copyright (c) 2001-2010 Hartmut Kaiser |
| // |
| // 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_KARMA_UINT_FEB_23_2007_0840PM) |
| #define BOOST_SPIRIT_KARMA_UINT_FEB_23_2007_0840PM |
| |
| #if defined(_MSC_VER) |
| #pragma once |
| #endif |
| |
| #include <limits> |
| #include <boost/config.hpp> |
| #include <boost/mpl/bool.hpp> |
| #include <boost/mpl/not.hpp> |
| |
| #include <boost/spirit/home/support/common_terminals.hpp> |
| #include <boost/spirit/home/support/string_traits.hpp> |
| #include <boost/spirit/home/support/info.hpp> |
| #include <boost/spirit/home/support/char_class.hpp> |
| #include <boost/spirit/home/support/container.hpp> |
| #include <boost/spirit/home/support/detail/get_encoding.hpp> |
| #include <boost/spirit/home/karma/meta_compiler.hpp> |
| #include <boost/spirit/home/karma/delimit_out.hpp> |
| #include <boost/spirit/home/karma/auxiliary/lazy.hpp> |
| #include <boost/spirit/home/karma/detail/get_casetag.hpp> |
| #include <boost/spirit/home/karma/detail/extract_from.hpp> |
| #include <boost/spirit/home/karma/domain.hpp> |
| #include <boost/spirit/home/karma/numeric/detail/numeric_utils.hpp> |
| #include <boost/fusion/include/at.hpp> |
| #include <boost/fusion/include/value_at.hpp> |
| #include <boost/fusion/include/vector.hpp> |
| |
| namespace boost { namespace spirit |
| { |
| namespace tag |
| { |
| template <typename T, unsigned Radix> |
| struct uint_tag {}; |
| } |
| |
| namespace karma |
| { |
| /////////////////////////////////////////////////////////////////////// |
| // This one is the class that the user can instantiate directly in |
| // order to create a customized int generator |
| template <typename T = unsigned int, unsigned Radix = 10> |
| struct uint_generator |
| : spirit::terminal<tag::uint_tag<T, Radix> > |
| {}; |
| } |
| |
| /////////////////////////////////////////////////////////////////////////// |
| // Enablers |
| /////////////////////////////////////////////////////////////////////////// |
| template <> |
| struct use_terminal<karma::domain, tag::ushort_> // enables ushort_ |
| : mpl::true_ {}; |
| |
| template <> |
| struct use_terminal<karma::domain, tag::uint_> // enables uint_ |
| : mpl::true_ {}; |
| |
| template <> |
| struct use_terminal<karma::domain, tag::ulong_> // enables ulong_ |
| : mpl::true_ {}; |
| |
| template <> |
| struct use_terminal<karma::domain, tag::bin> // enables bin |
| : mpl::true_ {}; |
| |
| template <> |
| struct use_terminal<karma::domain, tag::oct> // enables oct |
| : mpl::true_ {}; |
| |
| template <> |
| struct use_terminal<karma::domain, tag::hex> // enables hex |
| : mpl::true_ {}; |
| |
| #ifdef BOOST_HAS_LONG_LONG |
| template <> |
| struct use_terminal<karma::domain, tag::ulong_long> // enables ulong_long |
| : mpl::true_ {}; |
| #endif |
| |
| /////////////////////////////////////////////////////////////////////////// |
| #if !defined(BOOST_NO_INTRINSIC_WCHAR_T) |
| template <> // enables lit(unsigned short(0)) |
| struct use_terminal<karma::domain, unsigned short> |
| : mpl::true_ {}; |
| #endif |
| |
| template <> // enables lit(0U) |
| struct use_terminal<karma::domain, unsigned int> |
| : mpl::true_ {}; |
| |
| template <> // enables lit(0UL) |
| struct use_terminal<karma::domain, unsigned long> |
| : mpl::true_ {}; |
| |
| #ifdef BOOST_HAS_LONG_LONG |
| template <> // enables lit(0ULL) |
| struct use_terminal<karma::domain, boost::ulong_long_type> |
| : mpl::true_ {}; |
| #endif |
| |
| /////////////////////////////////////////////////////////////////////////// |
| template <typename A0> |
| struct use_terminal<karma::domain // enables ushort_(...) |
| , terminal_ex<tag::ushort_, fusion::vector1<A0> > |
| > : mpl::true_ {}; |
| |
| template <typename A0> |
| struct use_terminal<karma::domain // enables uint_(...) |
| , terminal_ex<tag::uint_, fusion::vector1<A0> > |
| > : mpl::true_ {}; |
| |
| template <typename A0> |
| struct use_terminal<karma::domain // enables ulong_(...) |
| , terminal_ex<tag::ulong_, fusion::vector1<A0> > |
| > : mpl::true_ {}; |
| |
| template <typename A0> |
| struct use_terminal<karma::domain // enables bin(...) |
| , terminal_ex<tag::bin, fusion::vector1<A0> > |
| > : mpl::true_ {}; |
| |
| template <typename A0> |
| struct use_terminal<karma::domain // enables oct(...) |
| , terminal_ex<tag::oct, fusion::vector1<A0> > |
| > : mpl::true_ {}; |
| |
| template <typename A0> |
| struct use_terminal<karma::domain // enables hex(...) |
| , terminal_ex<tag::hex, fusion::vector1<A0> > |
| > : mpl::true_ {}; |
| |
| #ifdef BOOST_HAS_LONG_LONG |
| template <typename A0> |
| struct use_terminal<karma::domain // enables ulong_long(...) |
| , terminal_ex<tag::ulong_long, fusion::vector1<A0> > |
| > : mpl::true_ {}; |
| #endif |
| |
| /////////////////////////////////////////////////////////////////////////// |
| template <> // enables *lazy* ushort_(...) |
| struct use_lazy_terminal<karma::domain, tag::ushort_, 1> |
| : mpl::true_ {}; |
| |
| template <> // enables *lazy* uint_(...) |
| struct use_lazy_terminal<karma::domain, tag::uint_, 1> |
| : mpl::true_ {}; |
| |
| template <> // enables *lazy* ulong_(...) |
| struct use_lazy_terminal<karma::domain, tag::ulong_, 1> |
| : mpl::true_ {}; |
| |
| template <> // enables *lazy* bin(...) |
| struct use_lazy_terminal<karma::domain, tag::bin, 1> |
| : mpl::true_ {}; |
| |
| template <> // enables *lazy* oct(...) |
| struct use_lazy_terminal<karma::domain, tag::oct, 1> |
| : mpl::true_ {}; |
| |
| template <> // enables *lazy* hex(...) |
| struct use_lazy_terminal<karma::domain, tag::hex, 1> |
| : mpl::true_ {}; |
| |
| #ifdef BOOST_HAS_LONG_LONG |
| template <> // enables *lazy* ulong_long(...) |
| struct use_lazy_terminal<karma::domain, tag::ulong_long, 1> |
| : mpl::true_ {}; |
| #endif |
| |
| /////////////////////////////////////////////////////////////////////////// |
| // enables any custom uint_generator |
| template <typename T, unsigned Radix> |
| struct use_terminal<karma::domain, tag::uint_tag<T, Radix> > |
| : mpl::true_ {}; |
| |
| // enables any custom uint_generator(...) |
| template <typename T, unsigned Radix, typename A0> |
| struct use_terminal<karma::domain |
| , terminal_ex<tag::uint_tag<T, Radix>, fusion::vector1<A0> > |
| > : mpl::true_ {}; |
| |
| // enables *lazy* custom uint_generator |
| template <typename T, unsigned Radix> |
| struct use_lazy_terminal< |
| karma::domain |
| , tag::uint_tag<T, Radix> |
| , 1 // arity |
| > : mpl::true_ {}; |
| |
| }} |
| |
| /////////////////////////////////////////////////////////////////////////////// |
| namespace boost { namespace spirit { namespace karma |
| { |
| using spirit::ushort_; |
| using spirit::ushort__type; |
| using spirit::uint_; |
| using spirit::uint__type; |
| using spirit::ulong_; |
| using spirit::ulong__type; |
| #ifdef BOOST_HAS_LONG_LONG |
| using spirit::ulong_long; |
| using spirit::ulong_long_type; |
| #endif |
| using spirit::bin; |
| using spirit::bin_type; |
| using spirit::oct; |
| using spirit::oct_type; |
| using spirit::hex; |
| using spirit::hex_type; |
| |
| using spirit::lit; // lit(1U) is equivalent to 1U |
| |
| /////////////////////////////////////////////////////////////////////////// |
| // This specialization is used for unsigned int generators not having a |
| // direct initializer: uint_, ulong_ etc. These generators must be used in |
| // conjunction with an Attribute. |
| /////////////////////////////////////////////////////////////////////////// |
| template <typename T, typename CharEncoding, typename Tag, unsigned Radix> |
| struct any_uint_generator |
| : primitive_generator<any_uint_generator<T, CharEncoding, Tag, Radix> > |
| { |
| template <typename Context, typename Unused> |
| struct attribute |
| { |
| typedef T type; |
| }; |
| |
| // check template Attribute 'Radix' for validity |
| BOOST_SPIRIT_ASSERT_MSG( |
| Radix == 2 || Radix == 8 || Radix == 10 || Radix == 16, |
| not_supported_radix, ()); |
| |
| BOOST_SPIRIT_ASSERT_MSG( |
| // the following is a workaround for STLPort, where the simpler |
| // `!std::numeric_limits<T>::is_signed` wouldn't compile |
| mpl::not_<mpl::bool_<std::numeric_limits<T>::is_signed> >::value, |
| signed_unsigned_mismatch, ()); |
| |
| // int has a Attribute attached |
| template <typename OutputIterator, typename Context, typename Delimiter |
| , typename Attribute> |
| static bool |
| generate(OutputIterator& sink, Context& context, Delimiter const& d |
| , Attribute const& attr) |
| { |
| if (!traits::has_optional_value(attr)) |
| return false; // fail if it's an uninitialized optional |
| |
| return uint_inserter<Radix, CharEncoding, Tag>:: |
| call(sink, traits::extract_from<T>(attr, context)) && |
| delimit_out(sink, d); // always do post-delimiting |
| } |
| |
| // this int has no Attribute attached, it needs to have been |
| // initialized from a direct literal |
| template <typename OutputIterator, typename Context, typename Delimiter> |
| static bool |
| generate(OutputIterator&, Context&, Delimiter const&, unused_type) |
| { |
| // It is not possible (doesn't make sense) to use numeric generators |
| // without providing any attribute, as the generator doesn't 'know' |
| // what to output. The following assertion fires if this situation |
| // is detected in your code. |
| BOOST_SPIRIT_ASSERT_MSG(false, uint_not_usable_without_attribute, ()); |
| return false; |
| } |
| |
| template <typename Context> |
| static info what(Context const& /*context*/) |
| { |
| return info("unsigned-integer"); |
| } |
| }; |
| |
| /////////////////////////////////////////////////////////////////////////// |
| // This specialization is used for unsigned int generators having a direct |
| // initializer: uint_(10), ulong_(20) etc. |
| /////////////////////////////////////////////////////////////////////////// |
| template < |
| typename T, typename CharEncoding, typename Tag, unsigned Radix |
| , bool no_attribute> |
| struct literal_uint_generator |
| : primitive_generator<literal_uint_generator<T, CharEncoding, Tag, Radix |
| , no_attribute> > |
| { |
| template <typename Context, typename Unused = unused_type> |
| struct attribute |
| : mpl::if_c<no_attribute, unused_type, T> |
| {}; |
| |
| literal_uint_generator(typename add_const<T>::type n) |
| : n_(n) {} |
| |
| // check template Attribute 'Radix' for validity |
| BOOST_SPIRIT_ASSERT_MSG( |
| Radix == 2 || Radix == 8 || Radix == 10 || Radix == 16, |
| not_supported_radix, ()); |
| |
| BOOST_SPIRIT_ASSERT_MSG( |
| // the following is a workaround for STLPort, where the simpler |
| // `!std::numeric_limits<T>::is_signed wouldn't` compile |
| mpl::not_<mpl::bool_<std::numeric_limits<T>::is_signed> >::value, |
| signed_unsigned_mismatch, ()); |
| |
| // A uint(1U) which additionally has an associated attribute emits |
| // its immediate literal only if it matches the attribute, otherwise |
| // it fails. |
| template <typename OutputIterator, typename Context, typename Delimiter |
| , typename Attribute> |
| bool generate(OutputIterator& sink, Context& context |
| , Delimiter const& d, Attribute const& attr) const |
| { |
| typedef typename attribute<Context>::type attribute_type; |
| if (!traits::has_optional_value(attr) || |
| n_ != traits::extract_from<attribute_type>(attr, context)) |
| { |
| return false; |
| } |
| return uint_inserter<Radix, CharEncoding, Tag>::call(sink, n_) && |
| delimit_out(sink, d); // always do post-delimiting |
| } |
| |
| // A uint(1U) without any associated attribute just emits its |
| // immediate literal |
| template <typename OutputIterator, typename Context, typename Delimiter> |
| bool generate(OutputIterator& sink, Context&, Delimiter const& d |
| , unused_type) const |
| { |
| return uint_inserter<Radix, CharEncoding, Tag>::call(sink, n_) && |
| delimit_out(sink, d); // always do post-delimiting |
| } |
| |
| template <typename Context> |
| static info what(Context const& /*context*/) |
| { |
| return info("unsigned-integer"); |
| } |
| |
| T n_; |
| }; |
| |
| /////////////////////////////////////////////////////////////////////////// |
| // Generator generators: make_xxx function (objects) |
| /////////////////////////////////////////////////////////////////////////// |
| namespace detail |
| { |
| template <typename T, typename Modifiers, unsigned Radix = 10> |
| struct make_uint |
| { |
| static bool const lower = |
| has_modifier<Modifiers, tag::char_code_base<tag::lower> >::value; |
| static bool const upper = |
| has_modifier<Modifiers, tag::char_code_base<tag::upper> >::value; |
| |
| typedef any_uint_generator< |
| T |
| , typename spirit::detail::get_encoding_with_case< |
| Modifiers, unused_type, lower || upper>::type |
| , typename detail::get_casetag<Modifiers, lower || upper>::type |
| , Radix |
| > result_type; |
| |
| result_type operator()(unused_type, unused_type) const |
| { |
| return result_type(); |
| } |
| }; |
| } |
| |
| /////////////////////////////////////////////////////////////////////////// |
| template <typename Modifiers> |
| struct make_primitive<tag::ushort_, Modifiers> |
| : detail::make_uint<unsigned short, Modifiers> {}; |
| |
| template <typename Modifiers> |
| struct make_primitive<tag::uint_, Modifiers> |
| : detail::make_uint<unsigned int, Modifiers> {}; |
| |
| template <typename Modifiers> |
| struct make_primitive<tag::ulong_, Modifiers> |
| : detail::make_uint<unsigned long, Modifiers> {}; |
| |
| template <typename Modifiers> |
| struct make_primitive<tag::bin, Modifiers> |
| : detail::make_uint<unsigned, Modifiers, 2> {}; |
| |
| template <typename Modifiers> |
| struct make_primitive<tag::oct, Modifiers> |
| : detail::make_uint<unsigned, Modifiers, 8> {}; |
| |
| template <typename Modifiers> |
| struct make_primitive<tag::hex, Modifiers> |
| : detail::make_uint<unsigned, Modifiers, 16> {}; |
| |
| #ifdef BOOST_HAS_LONG_LONG |
| template <typename Modifiers> |
| struct make_primitive<tag::ulong_long, Modifiers> |
| : detail::make_uint<boost::ulong_long_type, Modifiers> {}; |
| #endif |
| |
| template <typename T, unsigned Radix, typename Modifiers> |
| struct make_primitive<tag::uint_tag<T, Radix>, Modifiers> |
| : detail::make_uint<T, Modifiers, Radix> {}; |
| |
| /////////////////////////////////////////////////////////////////////////// |
| namespace detail |
| { |
| template <typename T, typename Modifiers, unsigned Radix = 10> |
| struct make_uint_direct |
| { |
| static bool const lower = |
| has_modifier<Modifiers, tag::char_code_base<tag::lower> >::value; |
| static bool const upper = |
| has_modifier<Modifiers, tag::char_code_base<tag::upper> >::value; |
| |
| typedef literal_uint_generator< |
| T |
| , typename spirit::detail::get_encoding_with_case< |
| Modifiers, unused_type, lower || upper>::type |
| , typename detail::get_casetag<Modifiers, lower || upper>::type |
| , Radix, 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 Modifiers, typename A0> |
| struct make_primitive< |
| terminal_ex<tag::ushort_, fusion::vector1<A0> >, Modifiers> |
| : detail::make_uint_direct<unsigned short, Modifiers> {}; |
| |
| template <typename Modifiers, typename A0> |
| struct make_primitive< |
| terminal_ex<tag::uint_, fusion::vector1<A0> >, Modifiers> |
| : detail::make_uint_direct<unsigned int, Modifiers> {}; |
| |
| template <typename Modifiers, typename A0> |
| struct make_primitive< |
| terminal_ex<tag::ulong_, fusion::vector1<A0> >, Modifiers> |
| : detail::make_uint_direct<unsigned long, Modifiers> {}; |
| |
| template <typename Modifiers, typename A0> |
| struct make_primitive< |
| terminal_ex<tag::bin, fusion::vector1<A0> >, Modifiers> |
| : detail::make_uint_direct<unsigned, Modifiers, 2> {}; |
| |
| template <typename Modifiers, typename A0> |
| struct make_primitive< |
| terminal_ex<tag::oct, fusion::vector1<A0> >, Modifiers> |
| : detail::make_uint_direct<unsigned, Modifiers, 8> {}; |
| |
| template <typename Modifiers, typename A0> |
| struct make_primitive< |
| terminal_ex<tag::hex, fusion::vector1<A0> >, Modifiers> |
| : detail::make_uint_direct<unsigned, Modifiers, 16> {}; |
| |
| #ifdef BOOST_HAS_LONG_LONG |
| template <typename Modifiers, typename A0> |
| struct make_primitive< |
| terminal_ex<tag::ulong_long, fusion::vector1<A0> >, Modifiers> |
| : detail::make_uint_direct<boost::ulong_long_type, Modifiers> {}; |
| #endif |
| |
| template <typename T, unsigned Radix, typename A0, typename Modifiers> |
| struct make_primitive< |
| terminal_ex<tag::uint_tag<T, Radix>, fusion::vector1<A0> > |
| , Modifiers> |
| : detail::make_uint_direct<T, Modifiers, Radix> {}; |
| |
| namespace detail |
| { |
| template <typename T, typename Modifiers> |
| struct basic_uint_literal |
| { |
| static bool const lower = |
| has_modifier<Modifiers, tag::char_code_base<tag::lower> >::value; |
| static bool const upper = |
| has_modifier<Modifiers, tag::char_code_base<tag::upper> >::value; |
| |
| typedef literal_uint_generator< |
| T |
| , typename spirit::detail::get_encoding_with_case< |
| Modifiers, unused_type, lower || upper>::type |
| , typename detail::get_casetag<Modifiers, lower || upper>::type |
| , 10, true |
| > result_type; |
| |
| template <typename T_> |
| result_type operator()(T_ i, unused_type) const |
| { |
| return result_type(i); |
| } |
| }; |
| } |
| |
| #if !defined(BOOST_NO_INTRINSIC_WCHAR_T) |
| template <typename Modifiers> |
| struct make_primitive<unsigned short, Modifiers> |
| : detail::basic_uint_literal<unsigned short, Modifiers> {}; |
| #endif |
| |
| template <typename Modifiers> |
| struct make_primitive<unsigned int, Modifiers> |
| : detail::basic_uint_literal<unsigned int, Modifiers> {}; |
| |
| template <typename Modifiers> |
| struct make_primitive<unsigned long, Modifiers> |
| : detail::basic_uint_literal<unsigned long, Modifiers> {}; |
| |
| #ifdef BOOST_HAS_LONG_LONG |
| template <typename Modifiers> |
| struct make_primitive<boost::ulong_long_type, Modifiers> |
| : detail::basic_uint_literal<boost::ulong_long_type, Modifiers> {}; |
| #endif |
| |
| }}} |
| |
| #endif |
