Chris@16: /*=============================================================================
Chris@16:     Copyright (c) 2001-2011 Joel de Guzman
Chris@16:     Copyright (c) 2001-2011 Hartmut Kaiser
Chris@16:     Copyright (c)      2010 Bryce Lelbach
Chris@16: 
Chris@16:     Distributed under the Boost Software License, Version 1.0. (See accompanying
Chris@16:     file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
Chris@16: ==============================================================================*/
Chris@16: #if !defined(BOOST_SPIRIT_CHAR_APRIL_16_2006_1051AM)
Chris@16: #define BOOST_SPIRIT_CHAR_APRIL_16_2006_1051AM
Chris@16: 
Chris@16: #if defined(_MSC_VER)
Chris@16: #pragma once
Chris@16: #endif
Chris@16: 
Chris@16: #include <boost/spirit/home/support/common_terminals.hpp>
Chris@16: #include <boost/spirit/home/support/string_traits.hpp>
Chris@16: #include <boost/spirit/home/support/info.hpp>
Chris@16: #include <boost/spirit/home/support/detail/get_encoding.hpp>
Chris@16: #include <boost/spirit/home/support/char_set/basic_chset.hpp>
Chris@16: #include <boost/spirit/home/qi/char/char_parser.hpp>
Chris@16: #include <boost/spirit/home/qi/char/char_class.hpp>
Chris@16: #include <boost/spirit/home/qi/meta_compiler.hpp>
Chris@16: #include <boost/spirit/home/qi/auxiliary/lazy.hpp>
Chris@16: #include <boost/spirit/home/qi/detail/enable_lit.hpp>
Chris@16: #include <boost/fusion/include/at.hpp>
Chris@16: #include <boost/mpl/if.hpp>
Chris@16: #include <boost/mpl/assert.hpp>
Chris@16: #include <boost/mpl/identity.hpp>
Chris@16: #include <boost/utility/enable_if.hpp>
Chris@16: #include <boost/type_traits/remove_const.hpp>
Chris@16: #include <string>
Chris@16: 
Chris@16: #if defined(_MSC_VER)
Chris@16: #pragma once
Chris@16: #endif
Chris@16: 
Chris@16: namespace boost { namespace spirit
Chris@16: {
Chris@16:     ///////////////////////////////////////////////////////////////////////////
Chris@16:     // Enablers
Chris@16:     ///////////////////////////////////////////////////////////////////////////
Chris@16:     template <typename CharEncoding>
Chris@16:     struct use_terminal<qi::domain
Chris@16:       , terminal<
Chris@16:             tag::char_code<tag::char_, CharEncoding>    // enables char_
Chris@16:         >
Chris@16:     > : mpl::true_ {};
Chris@16: 
Chris@16:     template <typename CharEncoding, typename A0>
Chris@16:     struct use_terminal<qi::domain
Chris@16:       , terminal_ex<
Chris@16:             tag::char_code<tag::char_, CharEncoding>    // enables char_('x'), char_("x")
Chris@16:           , fusion::vector1<A0>                         // and char_("a-z0-9")
Chris@16:         >
Chris@16:     > : mpl::true_ {};
Chris@16: 
Chris@16:     template <typename CharEncoding, typename A0, typename A1>
Chris@16:     struct use_terminal<qi::domain
Chris@16:       , terminal_ex<
Chris@16:             tag::char_code<tag::char_, CharEncoding>    // enables char_('a','z')
Chris@16:           , fusion::vector2<A0, A1>
Chris@16:         >
Chris@16:     > : mpl::true_ {};
Chris@16: 
Chris@16:     template <typename CharEncoding>                    // enables *lazy* char_('x'), char_("x")
Chris@16:     struct use_lazy_terminal<                           // and char_("a-z0-9")
Chris@16:         qi::domain
Chris@16:       , tag::char_code<tag::char_, CharEncoding>
Chris@16:       , 1 // arity
Chris@16:     > : mpl::true_ {};
Chris@16: 
Chris@16:     template <typename CharEncoding>                    // enables *lazy* char_('a','z')
Chris@16:     struct use_lazy_terminal<
Chris@16:         qi::domain
Chris@16:       , tag::char_code<tag::char_, CharEncoding>
Chris@16:       , 2 // arity
Chris@16:     > : mpl::true_ {};
Chris@16: 
Chris@16:     template <>
Chris@16:     struct use_terminal<qi::domain, char>               // enables 'x'
Chris@16:       : mpl::true_ {};
Chris@16: 
Chris@16:     template <>
Chris@16:     struct use_terminal<qi::domain, char[2]>            // enables "x"
Chris@16:       : mpl::true_ {};
Chris@16: 
Chris@16:     template <>
Chris@16:     struct use_terminal<qi::domain, wchar_t>            // enables wchar_t
Chris@16:       : mpl::true_ {};
Chris@16: 
Chris@16:     template <>
Chris@16:     struct use_terminal<qi::domain, wchar_t[2]>         // enables L"x"
Chris@16:       : mpl::true_ {};
Chris@16: 
Chris@16:     // enables lit(...)
Chris@16:     template <typename A0>
Chris@16:     struct use_terminal<qi::domain
Chris@16:           , terminal_ex<tag::lit, fusion::vector1<A0> >
Chris@16:           , typename enable_if<traits::is_char<A0> >::type>
Chris@16:       : mpl::true_ {};
Chris@16: }}
Chris@16: 
Chris@16: namespace boost { namespace spirit { namespace qi
Chris@16: {
Chris@16: #ifndef BOOST_SPIRIT_NO_PREDEFINED_TERMINALS
Chris@16:     using spirit::lit; // lit('x') is equivalent to 'x'
Chris@16: #endif
Chris@16:     using spirit::lit_type;
Chris@16: 
Chris@16:     ///////////////////////////////////////////////////////////////////////////
Chris@16:     // Parser for a single character
Chris@16:     ///////////////////////////////////////////////////////////////////////////
Chris@16:     template <typename CharEncoding, bool no_attribute, bool no_case = false>
Chris@16:     struct literal_char
Chris@16:       : char_parser<
Chris@16:             literal_char<CharEncoding, no_attribute, false>
Chris@16:           , typename CharEncoding::char_type
Chris@16:           , typename mpl::if_c<no_attribute, unused_type
Chris@16:               , typename CharEncoding::char_type>::type>
Chris@16:     {
Chris@16:         typedef typename CharEncoding::char_type char_type;
Chris@16:         typedef CharEncoding char_encoding;
Chris@16: 
Chris@16:         template <typename Char>
Chris@16:         literal_char(Char ch_)
Chris@16:           : ch(static_cast<char_type>(ch_)) {}
Chris@16: 
Chris@16:         template <typename Context, typename Iterator>
Chris@16:         struct attribute
Chris@16:         {
Chris@16:             typedef typename mpl::if_c<
Chris@16:                 no_attribute, unused_type, char_type>::type
Chris@16:             type;
Chris@16:         };
Chris@16: 
Chris@16:         template <typename CharParam, typename Context>
Chris@16:         bool test(CharParam ch_, Context&) const
Chris@16:         {
Chris@16:             return traits::ischar<CharParam, char_encoding>::call(ch_) &&
Chris@16:                    ch == char_type(ch_);
Chris@16:         }
Chris@16: 
Chris@16:         template <typename Context>
Chris@16:         info what(Context& /*context*/) const
Chris@16:         {
Chris@16:             return info("literal-char", char_encoding::toucs4(ch));
Chris@16:         }
Chris@16: 
Chris@16:         char_type ch;
Chris@16:     };
Chris@16: 
Chris@16:     template <typename CharEncoding, bool no_attribute>
Chris@16:     struct literal_char<CharEncoding, no_attribute, true> // case insensitive
Chris@16:       : char_parser<
Chris@16:             literal_char<CharEncoding, no_attribute, true>
Chris@16:           , typename mpl::if_c<no_attribute, unused_type
Chris@16:               , typename CharEncoding::char_type>::type>
Chris@16:     {
Chris@16:         typedef typename CharEncoding::char_type char_type;
Chris@16:         typedef CharEncoding char_encoding;
Chris@16: 
Chris@16:         literal_char(char_type ch)
Chris@16:           : lo(static_cast<char_type>(char_encoding::tolower(ch)))
Chris@16:           , hi(static_cast<char_type>(char_encoding::toupper(ch))) {}
Chris@16: 
Chris@16:         template <typename Context, typename Iterator>
Chris@16:         struct attribute
Chris@16:         {
Chris@16:             typedef typename mpl::if_c<
Chris@16:                 no_attribute, unused_type, char_type>::type
Chris@16:             type;
Chris@16:         };
Chris@16: 
Chris@16:         template <typename CharParam, typename Context>
Chris@16:         bool test(CharParam ch_, Context&) const
Chris@16:         {
Chris@16:             if (!traits::ischar<CharParam, char_encoding>::call(ch_))
Chris@16:                 return false;
Chris@16: 
Chris@16:             char_type ch = char_type(ch_);  // optimize for token based parsing
Chris@16:             return this->lo == ch || this->hi == ch;
Chris@16:         }
Chris@16: 
Chris@16:         template <typename Context>
Chris@16:         info what(Context& /*context*/) const
Chris@16:         {
Chris@16:             return info("no-case-literal-char", char_encoding::toucs4(lo));
Chris@16:         }
Chris@16: 
Chris@16:         char_type lo, hi;
Chris@16:     };
Chris@16: 
Chris@16:     ///////////////////////////////////////////////////////////////////////////
Chris@16:     // Parser for a character range
Chris@16:     ///////////////////////////////////////////////////////////////////////////
Chris@16:     template <typename CharEncoding, bool no_case = false>
Chris@16:     struct char_range
Chris@16:       : char_parser<char_range<CharEncoding, false>, typename CharEncoding::char_type>
Chris@16:     {
Chris@16:         typedef typename CharEncoding::char_type char_type;
Chris@16:         typedef CharEncoding char_encoding;
Chris@16: 
Chris@16:         char_range(char_type from_, char_type to_)
Chris@16:           : from(from_), to(to_) {}
Chris@16: 
Chris@16:         template <typename CharParam, typename Context>
Chris@16:         bool test(CharParam ch_, Context&) const
Chris@16:         {
Chris@16:             if (!traits::ischar<CharParam, char_encoding>::call(ch_))
Chris@16:                 return false;
Chris@16: 
Chris@16:             char_type ch = char_type(ch_);  // optimize for token based parsing
Chris@16:             return !(ch < from) && !(to < ch);
Chris@16:         }
Chris@16: 
Chris@16:         template <typename Context>
Chris@16:         info what(Context& /*context*/) const
Chris@16:         {
Chris@16:             info result("char-range", char_encoding::toucs4(from));
Chris@16:             boost::get<std::string>(result.value) += '-';
Chris@16:             boost::get<std::string>(result.value) += to_utf8(char_encoding::toucs4(to));
Chris@16:             return result;
Chris@16:         }
Chris@16: 
Chris@16:         char_type from, to;
Chris@16:     };
Chris@16: 
Chris@16:     template <typename CharEncoding>
Chris@16:     struct char_range<CharEncoding, true> // case insensitive
Chris@16:       : char_parser<char_range<CharEncoding, true>, typename CharEncoding::char_type>
Chris@16:     {
Chris@16:         typedef typename CharEncoding::char_type char_type;
Chris@16:         typedef CharEncoding char_encoding;
Chris@16: 
Chris@16:         char_range(char_type from, char_type to)
Chris@16:           : from_lo(static_cast<char_type>(char_encoding::tolower(from)))
Chris@16:           , to_lo(static_cast<char_type>(char_encoding::tolower(to)))
Chris@16:           , from_hi(static_cast<char_type>(char_encoding::toupper(from)))
Chris@16:           , to_hi(static_cast<char_type>(char_encoding::toupper(to)))
Chris@16:         {}
Chris@16: 
Chris@16:         template <typename CharParam, typename Context>
Chris@16:         bool test(CharParam ch_, Context&) const
Chris@16:         {
Chris@16:             if (!traits::ischar<CharParam, char_encoding>::call(ch_))
Chris@16:                 return false;
Chris@16: 
Chris@16:             char_type ch = char_type(ch_);  // optimize for token based parsing
Chris@16:             return (!(ch < from_lo) && !(to_lo < ch))
Chris@16:                 || (!(ch < from_hi) && !(to_hi < ch))
Chris@16:             ;
Chris@16:         }
Chris@16: 
Chris@16:         template <typename Context>
Chris@16:         info what(Context& /*context*/) const
Chris@16:         {
Chris@16:             info result("no-case-char-range", char_encoding::toucs4(from_lo));
Chris@16:             boost::get<std::string>(result.value) += '-';
Chris@16:             boost::get<std::string>(result.value) += to_utf8(char_encoding::toucs4(to_lo));
Chris@16:             return result;
Chris@16:         }
Chris@16: 
Chris@16:         char_type from_lo, to_lo, from_hi, to_hi;
Chris@16:     };
Chris@16: 
Chris@16:     ///////////////////////////////////////////////////////////////////////////
Chris@16:     // Parser for a character set
Chris@16:     ///////////////////////////////////////////////////////////////////////////
Chris@16:     template <typename CharEncoding, bool no_attribute, bool no_case = false>
Chris@16:     struct char_set
Chris@16:       : char_parser<char_set<CharEncoding, no_attribute, false>
Chris@16:           , typename mpl::if_c<no_attribute, unused_type
Chris@16:               , typename CharEncoding::char_type>::type>
Chris@16:     {
Chris@16:         typedef typename CharEncoding::char_type char_type;
Chris@16:         typedef CharEncoding char_encoding;
Chris@16: 
Chris@16:         template <typename String>
Chris@16:         char_set(String const& str)
Chris@16:         {
Chris@16:             using spirit::detail::cast_char;
Chris@16: 
Chris@16:             typedef typename
Chris@16:                 remove_const<
Chris@16:                     typename traits::char_type_of<String>::type
Chris@16:                 >::type
Chris@16:             in_type;
Chris@16: 
Chris@16:             BOOST_SPIRIT_ASSERT_MSG((
Chris@16:                 (sizeof(char_type) >= sizeof(in_type))
Chris@16:             ), cannot_convert_string, (String));
Chris@16: 
Chris@16:             in_type const* definition =
Chris@16:                 (in_type const*)traits::get_c_string(str);
Chris@16:             in_type ch = *definition++;
Chris@16:             while (ch)
Chris@16:             {
Chris@16:                 in_type next = *definition++;
Chris@16:                 if (next == '-')
Chris@16:                 {
Chris@16:                     next = *definition++;
Chris@16:                     if (next == 0)
Chris@16:                     {
Chris@16:                         chset.set(cast_char<char_type>(ch));
Chris@16:                         chset.set('-');
Chris@16:                         break;
Chris@16:                     }
Chris@16:                     chset.set(
Chris@16:                         cast_char<char_type>(ch),
Chris@16:                         cast_char<char_type>(next)
Chris@16:                     );
Chris@16:                 }
Chris@16:                 else
Chris@16:                 {
Chris@16:                     chset.set(cast_char<char_type>(ch));
Chris@16:                 }
Chris@16:                 ch = next;
Chris@16:             }
Chris@16:         }
Chris@16: 
Chris@16:         template <typename CharParam, typename Context>
Chris@16:         bool test(CharParam ch, Context&) const
Chris@16:         {
Chris@16:             return traits::ischar<CharParam, char_encoding>::call(ch) &&
Chris@16:                    chset.test(char_type(ch));
Chris@16:         }
Chris@16: 
Chris@16:         template <typename Context>
Chris@16:         info what(Context& /*context*/) const
Chris@16:         {
Chris@16:             return info("char-set");
Chris@16:         }
Chris@16: 
Chris@16:         support::detail::basic_chset<char_type> chset;
Chris@16:     };
Chris@16: 
Chris@16:     template <typename CharEncoding, bool no_attribute>
Chris@16:     struct char_set<CharEncoding, no_attribute, true> // case insensitive
Chris@16:       : char_parser<char_set<CharEncoding, no_attribute, true>
Chris@16:           , typename mpl::if_c<no_attribute, unused_type
Chris@16:               , typename CharEncoding::char_type>::type>
Chris@16:     {
Chris@16:         typedef typename CharEncoding::char_type char_type;
Chris@16:         typedef CharEncoding char_encoding;
Chris@16: 
Chris@16:         template <typename String>
Chris@16:         char_set(String const& str)
Chris@16:         {
Chris@16:             typedef typename traits::char_type_of<String>::type in_type;
Chris@16: 
Chris@16:             BOOST_SPIRIT_ASSERT_MSG((
Chris@16:                 (sizeof(char_type) == sizeof(in_type))
Chris@16:             ), cannot_convert_string, (String));
Chris@16: 
Chris@16:             char_type const* definition =
Chris@16:                 (char_type const*)traits::get_c_string(str);
Chris@16:             char_type ch = *definition++;
Chris@16:             while (ch)
Chris@16:             {
Chris@16:                 char_type next = *definition++;
Chris@16:                 if (next == '-')
Chris@16:                 {
Chris@16:                     next = *definition++;
Chris@16:                     if (next == 0)
Chris@16:                     {
Chris@16:                         chset.set(static_cast<char_type>(CharEncoding::tolower(ch)));
Chris@16:                         chset.set(static_cast<char_type>(CharEncoding::toupper(ch)));
Chris@16:                         chset.set('-');
Chris@16:                         break;
Chris@16:                     }
Chris@16:                     chset.set(static_cast<char_type>(CharEncoding::tolower(ch))
Chris@16:                       , static_cast<char_type>(CharEncoding::tolower(next)));
Chris@16:                     chset.set(static_cast<char_type>(CharEncoding::toupper(ch))
Chris@16:                       , static_cast<char_type>(CharEncoding::toupper(next)));
Chris@16:                 }
Chris@16:                 else
Chris@16:                 {
Chris@16:                     chset.set(static_cast<char_type>(CharEncoding::tolower(ch)));
Chris@16:                     chset.set(static_cast<char_type>(CharEncoding::toupper(ch)));
Chris@16:                 }
Chris@16:                 ch = next;
Chris@16:             }
Chris@16:         }
Chris@16: 
Chris@16:         template <typename CharParam, typename Context>
Chris@16:         bool test(CharParam ch, Context&) const
Chris@16:         {
Chris@16:             return traits::ischar<CharParam, char_encoding>::call(ch) &&
Chris@16:                    chset.test(char_type(ch));
Chris@16:         }
Chris@16: 
Chris@16:         template <typename Context>
Chris@16:         info what(Context& /*context*/) const
Chris@16:         {
Chris@16:             return info("no-case-char-set");
Chris@16:         }
Chris@16: 
Chris@16:         support::detail::basic_chset<char_type> chset;
Chris@16:     };
Chris@16: 
Chris@16:     ///////////////////////////////////////////////////////////////////////////
Chris@16:     // Parser generators: make_xxx function (objects)
Chris@16:     ///////////////////////////////////////////////////////////////////////////
Chris@16:     namespace detail
Chris@16:     {
Chris@16:         template <typename Modifiers, typename Encoding>
Chris@16:         struct basic_literal
Chris@16:         {
Chris@16:             static bool const no_case =
Chris@16:                 has_modifier<
Chris@16:                     Modifiers
Chris@16:                   , tag::char_code_base<tag::no_case>
Chris@16:                 >::value;
Chris@16: 
Chris@16:             static bool const no_attr =
Chris@16:                 !has_modifier<
Chris@16:                     Modifiers
Chris@16:                   , tag::lazy_eval
Chris@16:                 >::value;
Chris@16: 
Chris@16:             typedef literal_char<
Chris@16:                 typename spirit::detail::get_encoding_with_case<
Chris@16:                     Modifiers, Encoding, no_case>::type
Chris@16:               , no_attr
Chris@16:               , no_case>
Chris@16:             result_type;
Chris@16: 
Chris@16:             template <typename Char>
Chris@16:             result_type operator()(Char ch, unused_type) const
Chris@16:             {
Chris@16:                 return result_type(ch);
Chris@16:             }
Chris@16: 
Chris@16:             template <typename Char>
Chris@16:             result_type operator()(Char const* str, unused_type) const
Chris@16:             {
Chris@16:                 return result_type(str[0]);
Chris@16:             }
Chris@16:         };
Chris@16:     }
Chris@16: 
Chris@16:     template <typename Modifiers>
Chris@16:     struct make_primitive<char, Modifiers>
Chris@16:       : detail::basic_literal<Modifiers, char_encoding::standard> {};
Chris@16: 
Chris@16:     template <typename Modifiers>
Chris@16:     struct make_primitive<char const(&)[2], Modifiers>
Chris@16:       : detail::basic_literal<Modifiers, char_encoding::standard> {};
Chris@16: 
Chris@16:     template <typename Modifiers>
Chris@16:     struct make_primitive<wchar_t, Modifiers>
Chris@16:       : detail::basic_literal<Modifiers, char_encoding::standard_wide> {};
Chris@16: 
Chris@16:     template <typename Modifiers>
Chris@16:     struct make_primitive<wchar_t const(&)[2], Modifiers>
Chris@16:       : detail::basic_literal<Modifiers, char_encoding::standard_wide> {};
Chris@16: 
Chris@16:     template <typename CharEncoding, typename Modifiers>
Chris@16:     struct make_primitive<
Chris@16:         terminal<tag::char_code<tag::char_, CharEncoding> >, Modifiers>
Chris@16:     {
Chris@16:         typedef typename
Chris@16:             spirit::detail::get_encoding<Modifiers, CharEncoding>::type
Chris@16:         char_encoding;
Chris@16: 
Chris@16:         typedef tag::char_code<tag::char_, char_encoding> tag;
Chris@16:         typedef char_class<tag> result_type;
Chris@16:         result_type operator()(unused_type, unused_type) const
Chris@16:         {
Chris@16:             return result_type();
Chris@16:         }
Chris@16:     };
Chris@16: 
Chris@16:     ///////////////////////////////////////////////////////////////////////////
Chris@16:     // char_('x')
Chris@16:     template <typename CharEncoding, typename Modifiers, typename A0>
Chris@16:     struct make_primitive<
Chris@16:         terminal_ex<
Chris@16:             tag::char_code<tag::char_, CharEncoding>
Chris@16:           , fusion::vector1<A0> >
Chris@16:       , Modifiers>
Chris@16:     {
Chris@16:         static bool const no_case =
Chris@16:             has_modifier<Modifiers, tag::char_code_base<tag::no_case> >::value;
Chris@16: 
Chris@16:         typedef typename
Chris@16:             spirit::detail::get_encoding<Modifiers, CharEncoding>::type
Chris@16:         char_encoding;
Chris@16: 
Chris@16:         typedef typename
Chris@16:             mpl::if_<
Chris@16:                 traits::is_string<A0>
Chris@16:               , char_set<char_encoding, false, no_case>
Chris@16:               , literal_char<char_encoding, false, no_case>
Chris@16:             >::type
Chris@16:         result_type;
Chris@16: 
Chris@16:         template <typename Terminal>
Chris@16:         result_type operator()(Terminal const& term, unused_type) const
Chris@16:         {
Chris@16:             return result_type(fusion::at_c<0>(term.args));
Chris@16:         }
Chris@16:     };
Chris@16: 
Chris@16:     // lit('x')
Chris@16:     template <typename Modifiers, typename A0>
Chris@16:     struct make_primitive<
Chris@16:         terminal_ex<tag::lit, fusion::vector1<A0> >
Chris@16:       , Modifiers
Chris@16:       , typename enable_if<traits::is_char<A0> >::type>
Chris@16:     {
Chris@16:         static bool const no_case =
Chris@16:             has_modifier<
Chris@16:                 Modifiers
Chris@16:               , tag::char_code_base<tag::no_case>
Chris@16:             >::value;
Chris@16: 
Chris@16:         typedef typename traits::char_encoding_from_char<
Chris@16:                 typename traits::char_type_of<A0>::type>::type encoding;
Chris@16: 
Chris@16:         typedef literal_char<
Chris@16:             typename spirit::detail::get_encoding_with_case<
Chris@16:                 Modifiers, encoding, no_case>::type
Chris@16:           , true, no_case>
Chris@16:         result_type;
Chris@16: 
Chris@16:         template <typename Terminal>
Chris@16:         result_type operator()(Terminal const& term, unused_type) const
Chris@16:         {
Chris@16:             return result_type(fusion::at_c<0>(term.args));
Chris@16:         }
Chris@16:     };
Chris@16: 
Chris@16:     ///////////////////////////////////////////////////////////////////////////
Chris@16:     template <typename CharEncoding, typename Modifiers, typename Char>
Chris@16:     struct make_primitive<
Chris@16:         terminal_ex<
Chris@16:             tag::char_code<tag::char_, CharEncoding>
Chris@16:           , fusion::vector1<Char(&)[2]> // For single char strings
Chris@16:         >
Chris@16:       , Modifiers>
Chris@16:     {
Chris@16:         static bool const no_case =
Chris@16:             has_modifier<Modifiers, tag::char_code_base<tag::no_case> >::value;
Chris@16: 
Chris@16:         typedef typename
Chris@16:             spirit::detail::get_encoding<Modifiers, CharEncoding>::type
Chris@16:         char_encoding;
Chris@16: 
Chris@16:         typedef literal_char<char_encoding, false, no_case> result_type;
Chris@16: 
Chris@16:         template <typename Terminal>
Chris@16:         result_type operator()(Terminal const& term, unused_type) const
Chris@16:         {
Chris@16:             return result_type(fusion::at_c<0>(term.args)[0]);
Chris@16:         }
Chris@16:     };
Chris@16: 
Chris@16:     template <typename CharEncoding, typename Modifiers, typename A0, typename A1>
Chris@16:     struct make_primitive<
Chris@16:         terminal_ex<
Chris@16:             tag::char_code<tag::char_, CharEncoding>
Chris@16:           , fusion::vector2<A0, A1>
Chris@16:         >
Chris@16:       , Modifiers>
Chris@16:     {
Chris@16:         static bool const no_case =
Chris@16:             has_modifier<Modifiers, tag::char_code_base<tag::no_case> >::value;
Chris@16: 
Chris@16:         typedef typename
Chris@16:             spirit::detail::get_encoding<Modifiers, CharEncoding>::type
Chris@16:         char_encoding;
Chris@16: 
Chris@16:         typedef char_range<char_encoding, no_case> result_type;
Chris@16: 
Chris@16:         template <typename Terminal>
Chris@16:         result_type operator()(Terminal const& term, unused_type) const
Chris@16:         {
Chris@16:             return result_type(
Chris@16:                 fusion::at_c<0>(term.args)
Chris@16:               , fusion::at_c<1>(term.args)
Chris@16:             );
Chris@16:         }
Chris@16:     };
Chris@16: 
Chris@16:     template <typename CharEncoding, typename Modifiers, typename Char>
Chris@16:     struct make_primitive<
Chris@16:         terminal_ex<
Chris@16:             tag::char_code<tag::char_, CharEncoding>
Chris@16:           , fusion::vector2<Char(&)[2], Char(&)[2]> // For single char strings
Chris@16:         >
Chris@16:       , Modifiers>
Chris@16:     {
Chris@16:         static bool const no_case =
Chris@16:             has_modifier<Modifiers, tag::char_code_base<tag::no_case> >::value;
Chris@16: 
Chris@16:         typedef typename
Chris@16:             spirit::detail::get_encoding<Modifiers, CharEncoding>::type
Chris@16:         char_encoding;
Chris@16: 
Chris@16:         typedef char_range<char_encoding, no_case> result_type;
Chris@16: 
Chris@16:         template <typename Terminal>
Chris@16:         result_type operator()(Terminal const& term, unused_type) const
Chris@16:         {
Chris@16:             return result_type(
Chris@16:                 fusion::at_c<0>(term.args)[0]
Chris@16:               , fusion::at_c<1>(term.args)[0]
Chris@16:             );
Chris@16:         }
Chris@16:     };
Chris@16: }}}
Chris@16: 
Chris@16: #endif