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- /*=============================================================================
- Copyright (c) 2002-2003 Hartmut Kaiser
- http://spirit.sourceforge.net/
- 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)
- =============================================================================*/
- #ifndef BOOST_SPIRIT_REGEX_HPP
- #define BOOST_SPIRIT_REGEX_HPP
- #include <boost/version.hpp>
- ///////////////////////////////////////////////////////////////////////////////
- //
- // Include the regular expression library of boost (Boost.Regex)
- //
- // Note though, that this library is not distributed with Spirit. You have to
- // obtain a separate copy from http://www.boost.org.
- //
- ///////////////////////////////////////////////////////////////////////////////
- #if defined(BOOST_SPIRIT_NO_REGEX_LIB) && BOOST_VERSION < 103300
- //
- // Include all the Boost.regex library. Please note that this will not work,
- // if you are using the boost/spirit/regex.hpp header from more than one
- // translation units.
- //
- #define BOOST_REGEX_NO_LIB
- #define BOOST_REGEX_STATIC_LINK
- #define BOOST_REGEX_NO_EXTERNAL_TEMPLATES
- #include <boost/regex.hpp>
- #include <boost/regex/src.cpp>
- #else
- //
- // Include the Boost.Regex headers only. Note, that you will have to link your
- // application against the Boost.Regex library as described in the related
- // documentation.
- // This is the only way for Boost newer than V1.32.0
- //
- #include <boost/regex.hpp>
- #endif // defined(BOOST_SPIRIT_NO_REGEX_LIB)
- #include <boost/static_assert.hpp>
- ///////////////////////////////////////////////////////////////////////////////
- #include <boost/spirit/home/classic/namespace.hpp>
- #include <boost/spirit/home/classic/meta/as_parser.hpp>
- #include <boost/spirit/home/classic/core/parser.hpp>
- #include <boost/spirit/home/classic/utility/impl/regex.ipp>
- #include <iterator> // for std::iterator_traits
- ///////////////////////////////////////////////////////////////////////////////
- namespace boost { namespace spirit {
- BOOST_SPIRIT_CLASSIC_NAMESPACE_BEGIN
- ///////////////////////////////////////////////////////////////////////////////
- // rxstrlit class
- template <typename CharT = char>
- struct rxstrlit : public parser<rxstrlit<CharT> > {
- typedef rxstrlit self_t;
- rxstrlit(CharT const *first, CharT const *last)
- : rx(first, last) {}
- rxstrlit(CharT const *first)
- : rx(first) {}
- template <typename ScannerT>
- typename parser_result<self_t, ScannerT>::type
- parse(ScannerT const& scan) const
- {
- // Due to limitations in the boost::regex library the iterators wrapped in
- // the ScannerT object should be at least bidirectional iterators. Plain
- // forward iterators do not work here.
- typedef typename ScannerT::iterator_t iterator_t;
- typedef
- typename std::iterator_traits<iterator_t>::iterator_category
- iterator_category;
- BOOST_STATIC_ASSERT((
- boost::is_convertible<iterator_category,
- std::bidirectional_iterator_tag>::value
- ));
- typedef typename parser_result<self_t, ScannerT>::type result_t;
- return impl::contiguous_parser_parse<result_t>(rx, scan, scan);
- }
- private:
- impl::rx_parser<CharT> rx; // contains the boost regular expression parser
- };
- ///////////////////////////////////////////////////////////////////////////////
- // Generator functions
- template <typename CharT>
- inline rxstrlit<CharT>
- regex_p(CharT const *first)
- { return rxstrlit<CharT>(first); }
- //////////////////////////////////
- template <typename CharT>
- inline rxstrlit<CharT>
- regex_p(CharT const *first, CharT const *last)
- { return rxstrlit<CharT>(first, last); }
- ///////////////////////////////////////////////////////////////////////////////
- BOOST_SPIRIT_CLASSIC_NAMESPACE_END
- }} // namespace BOOST_SPIRIT_CLASSIC_NS
- #endif // BOOST_SPIRIT_REGEX_HPP
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