projects / ceph.git / blame
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|---|---|---|
| 7c673cae FG |
1 | /*============================================================================= |
| 2 | Copyright (c) 2002-2003 Hartmut Kaiser | |
| 3 | http://spirit.sourceforge.net/ | |
| 4 | ||
| 5 | Distributed under the Boost Software License, Version 1.0. (See accompanying | |
| 6 | file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) | |
| 7 | =============================================================================*/ | |
| 8 | #ifndef BOOST_SPIRIT_REGEX_HPP | |
| 9 | #define BOOST_SPIRIT_REGEX_HPP | |
| 10 | ||
| 11 | #include <boost/version.hpp> | |
| 12 | ||
| 13 | /////////////////////////////////////////////////////////////////////////////// | |
| 14 | // | |
| 15 | // Include the regular expression library of boost (Boost.Regex) | |
| 16 | // | |
| 17 | // Note though, that this library is not distributed with Spirit. You have to | |
| 18 | // obtain a separate copy from http://www.boost.org. | |
| 19 | // | |
| 20 | /////////////////////////////////////////////////////////////////////////////// | |
| 21 | #if defined(BOOST_SPIRIT_NO_REGEX_LIB) && BOOST_VERSION < 103300 | |
| 22 | // | |
| 23 | // Include all the Boost.regex library. Please note that this will not work, | |
| 24 | // if you are using the boost/spirit/regex.hpp header from more than one | |
| 25 | // translation units. | |
| 26 | // | |
| 27 | #define BOOST_REGEX_NO_LIB | |
| 28 | #define BOOST_REGEX_STATIC_LINK | |
| 29 | #define BOOST_REGEX_NO_EXTERNAL_TEMPLATES | |
| 30 | #include <boost/regex.hpp> | |
| 31 | #include <boost/regex/src.cpp> | |
| 32 | ||
| 33 | #else | |
| 34 | // | |
| 35 | // Include the Boost.Regex headers only. Note, that you will have to link your | |
| 36 | // application against the Boost.Regex library as described in the related | |
| 37 | // documentation. | |
| 38 | // This is the only way for Boost newer than V1.32.0 | |
| 39 | // | |
| 40 | #include <boost/regex.hpp> | |
| 41 | #endif // defined(BOOST_SPIRIT_NO_REGEX_LIB) | |
| 42 | ||
| 43 | #include <boost/static_assert.hpp> | |
| 44 | ||
| 45 | /////////////////////////////////////////////////////////////////////////////// | |
| 46 | #include <boost/spirit/home/classic/namespace.hpp> | |
| 47 | #include <boost/spirit/home/classic/meta/as_parser.hpp> | |
| 48 | #include <boost/spirit/home/classic/core/parser.hpp> | |
| 49 | #include <boost/spirit/home/classic/utility/impl/regex.ipp> | |
| 50 | #include <boost/detail/iterator.hpp> // for boost::detail::iterator_traits | |
| 51 | ||
| 52 | /////////////////////////////////////////////////////////////////////////////// | |
| 53 | namespace boost { namespace spirit { | |
| 54 | ||
| 55 | BOOST_SPIRIT_CLASSIC_NAMESPACE_BEGIN | |
| 56 | ||
| 57 | /////////////////////////////////////////////////////////////////////////////// | |
| 58 | // rxstrlit class | |
| 59 | template <typename CharT = char> | |
| 60 | struct rxstrlit : public parser<rxstrlit<CharT> > { | |
| 61 | ||
| 62 | typedef rxstrlit self_t; | |
| 63 | ||
| 64 | rxstrlit(CharT const *first, CharT const *last) | |
| 65 | : rx(first, last) {} | |
| 66 | rxstrlit(CharT const *first) | |
| 67 | : rx(first) {} | |
| 68 | ||
| 69 | template <typename ScannerT> | |
| 70 | typename parser_result<self_t, ScannerT>::type | |
| 71 | parse(ScannerT const& scan) const | |
| 72 | { | |
| 73 | // Due to limitations in the boost::regex library the iterators wrapped in | |
| 74 | // the ScannerT object should be at least bidirectional iterators. Plain | |
| 75 | // forward iterators do not work here. | |
| 76 | typedef typename ScannerT::iterator_t iterator_t; | |
| 77 | typedef | |
| 78 | typename boost::detail::iterator_traits<iterator_t>::iterator_category | |
| 79 | iterator_category; | |
| 80 | ||
| 81 | BOOST_STATIC_ASSERT(( | |
| 82 | boost::is_convertible<iterator_category, | |
| 83 | std::bidirectional_iterator_tag>::value | |
| 84 | )); | |
| 85 | ||
| 86 | typedef typename parser_result<self_t, ScannerT>::type result_t; | |
| 87 | return impl::contiguous_parser_parse<result_t>(rx, scan, scan); | |
| 88 | } | |
| 89 | ||
| 90 | private: | |
| 91 | impl::rx_parser<CharT> rx; // contains the boost regular expression parser | |
| 92 | }; | |
| 93 | ||
| 94 | /////////////////////////////////////////////////////////////////////////////// | |
| 95 | // Generator functions | |
| 96 | template <typename CharT> | |
| 97 | inline rxstrlit<CharT> | |
| 98 | regex_p(CharT const *first) | |
| 99 | { return rxstrlit<CharT>(first); } | |
| 100 | ||
| 101 | ////////////////////////////////// | |
| 102 | template <typename CharT> | |
| 103 | inline rxstrlit<CharT> | |
| 104 | regex_p(CharT const *first, CharT const *last) | |
| 105 | { return rxstrlit<CharT>(first, last); } | |
| 106 | ||
| 107 | /////////////////////////////////////////////////////////////////////////////// | |
| 108 | BOOST_SPIRIT_CLASSIC_NAMESPACE_END | |
| 109 | ||
| 110 | }} // namespace BOOST_SPIRIT_CLASSIC_NS | |
| 111 | ||
| 112 | #endif // BOOST_SPIRIT_REGEX_HPP |