Chris@16: /*=============================================================================
Chris@16:     Copyright (c) 2002-2003 Hartmut Kaiser
Chris@16:     http://spirit.sourceforge.net/
Chris@16: 
Chris@16:     Use, modification and distribution is subject to the Boost Software
Chris@16:     License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
Chris@16:     http://www.boost.org/LICENSE_1_0.txt)
Chris@16: =============================================================================*/
Chris@16: #ifndef BOOST_SPIRIT_REGEX_IPP
Chris@16: #define BOOST_SPIRIT_REGEX_IPP
Chris@16: 
Chris@16: ///////////////////////////////////////////////////////////////////////////////
Chris@16: #include <boost/spirit/home/classic/core/primitives/impl/primitives.ipp>
Chris@16: 
Chris@16: ///////////////////////////////////////////////////////////////////////////////
Chris@16: namespace boost { namespace spirit {
Chris@16: 
Chris@16: BOOST_SPIRIT_CLASSIC_NAMESPACE_BEGIN
Chris@16: 
Chris@16: namespace impl {
Chris@16: 
Chris@16: ///////////////////////////////////////////////////////////////////////////////
Chris@16: //
Chris@16: inline const char* rx_prefix(char) { return "\\A"; }
Chris@16: inline const wchar_t* rx_prefix(wchar_t) { return L"\\A"; }
Chris@16: 
Chris@16: ///////////////////////////////////////////////////////////////////////////////
Chris@16: //
Chris@16: //  rx_parser class
Chris@16: //
Chris@16: ///////////////////////////////////////////////////////////////////////////////
Chris@16: template <typename CharT = char>
Chris@16: class rx_parser : public parser<rx_parser<CharT> > {
Chris@16: 
Chris@16: public:
Chris@16:     typedef std::basic_string<CharT> string_t;
Chris@16:     typedef rx_parser<CharT> self_t;
Chris@16: 
Chris@16:     rx_parser(CharT const *first, CharT const *last)
Chris@16:     { 
Chris@16:         rxstr = string_t(rx_prefix(CharT())) + string_t(first, last); 
Chris@16:     }
Chris@16: 
Chris@16:     rx_parser(CharT const *first)
Chris@16:     { 
Chris@16:         rxstr = string_t(rx_prefix(CharT())) + 
Chris@16:             string_t(first, impl::get_last(first)); 
Chris@16:     }
Chris@16: 
Chris@16:     template <typename ScannerT>
Chris@16:     typename parser_result<self_t, ScannerT>::type
Chris@16:     parse(ScannerT const& scan) const
Chris@16:     {
Chris@16:         boost::match_results<typename ScannerT::iterator_t> what;
Chris@16:         boost::regex_search(scan.first, scan.last, what, rxstr,
Chris@16:             boost::match_default);
Chris@16: 
Chris@16:         if (!what[0].matched)
Chris@16:             return scan.no_match();
Chris@16: 
Chris@16:         scan.first = what[0].second;
Chris@16:         return scan.create_match(what[0].length(), nil_t(),
Chris@16:             what[0].first, scan.first);
Chris@16:     }
Chris@16: 
Chris@16: private:
Chris@16: #if BOOST_VERSION >= 013300
Chris@16:     boost::basic_regex<CharT> rxstr;       // regular expression to match
Chris@16: #else
Chris@16:     boost::reg_expression<CharT> rxstr;    // regular expression to match
Chris@16: #endif
Chris@16: };
Chris@16: 
Chris@16: }   // namespace impl
Chris@16: 
Chris@16: ///////////////////////////////////////////////////////////////////////////////
Chris@16: BOOST_SPIRIT_CLASSIC_NAMESPACE_END
Chris@16: 
Chris@16: }} // namespace boost::spirit
Chris@16: 
Chris@16: #endif // BOOST_SPIRIT_REGEX_IPP