| /*============================================================================= |
| 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 <boost/detail/iterator.hpp> // for boost::detail::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 boost::detail::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 |