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189 lines
4.8 KiB
189 lines
4.8 KiB
/* |
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* |
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* Copyright (c) 2003 |
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* John Maddock |
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* |
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* Use, modification and distribution are subject to the |
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* Boost Software License, Version 1.0. (See accompanying file |
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* LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) |
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* |
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*/ |
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/* |
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* LOCATION: see http://www.boost.org for most recent version. |
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* FILE regex_traits.hpp |
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* VERSION see <boost/version.hpp> |
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* DESCRIPTION: Declares regular expression traits classes. |
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*/ |
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#ifndef BOOST_REGEX_TRAITS_HPP_INCLUDED |
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#define BOOST_REGEX_TRAITS_HPP_INCLUDED |
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#ifndef BOOST_REGEX_CONFIG_HPP |
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#include <boost/regex/config.hpp> |
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#endif |
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#ifndef BOOST_REGEX_WORKAROUND_HPP |
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#include <boost/regex/v4/regex_workaround.hpp> |
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#endif |
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#ifndef BOOST_REGEX_SYNTAX_TYPE_HPP |
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#include <boost/regex/v4/syntax_type.hpp> |
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#endif |
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#ifndef BOOST_REGEX_ERROR_TYPE_HPP |
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#include <boost/regex/v4/error_type.hpp> |
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#endif |
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#ifndef BOOST_REGEX_TRAITS_DEFAULTS_HPP_INCLUDED |
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#include <boost/regex/v4/regex_traits_defaults.hpp> |
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#endif |
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#ifndef BOOST_NO_STD_LOCALE |
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# ifndef BOOST_CPP_REGEX_TRAITS_HPP_INCLUDED |
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# include <boost/regex/v4/cpp_regex_traits.hpp> |
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# endif |
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#endif |
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#if !BOOST_WORKAROUND(__BORLANDC__, < 0x560) |
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# ifndef BOOST_C_REGEX_TRAITS_HPP_INCLUDED |
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# include <boost/regex/v4/c_regex_traits.hpp> |
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# endif |
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#endif |
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#if defined(_WIN32) && !defined(BOOST_REGEX_NO_W32) |
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# ifndef BOOST_W32_REGEX_TRAITS_HPP_INCLUDED |
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# include <boost/regex/v4/w32_regex_traits.hpp> |
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# endif |
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#endif |
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#ifndef BOOST_REGEX_FWD_HPP_INCLUDED |
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#include <boost/regex_fwd.hpp> |
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#endif |
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#include "boost/mpl/has_xxx.hpp" |
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#include <boost/static_assert.hpp> |
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#ifdef BOOST_MSVC |
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#pragma warning(push) |
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#pragma warning(disable: 4103) |
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#endif |
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#ifdef BOOST_HAS_ABI_HEADERS |
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# include BOOST_ABI_PREFIX |
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#endif |
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#ifdef BOOST_MSVC |
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#pragma warning(pop) |
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#endif |
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namespace boost{ |
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template <class charT, class implementationT > |
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struct regex_traits : public implementationT |
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{ |
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regex_traits() : implementationT() {} |
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}; |
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// |
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// class regex_traits_wrapper. |
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// this is what our implementation will actually store; |
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// it provides default implementations of the "optional" |
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// interfaces that we support, in addition to the |
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// required "standard" ones: |
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// |
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namespace re_detail{ |
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#if !defined(BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION) && !BOOST_WORKAROUND(__HP_aCC, < 60000) |
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BOOST_MPL_HAS_XXX_TRAIT_DEF(boost_extensions_tag) |
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#else |
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template<class T> |
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struct has_boost_extensions_tag |
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{ |
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BOOST_STATIC_CONSTANT(bool, value = false); |
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}; |
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#endif |
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template <class BaseT> |
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struct default_wrapper : public BaseT |
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{ |
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typedef typename BaseT::char_type char_type; |
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std::string error_string(::boost::regex_constants::error_type e)const |
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{ |
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return ::boost::re_detail::get_default_error_string(e); |
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} |
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::boost::regex_constants::syntax_type syntax_type(char_type c)const |
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{ |
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return ((c & 0x7f) == c) ? get_default_syntax_type(static_cast<char>(c)) : ::boost::regex_constants::syntax_char; |
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} |
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::boost::regex_constants::escape_syntax_type escape_syntax_type(char_type c)const |
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{ |
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return ((c & 0x7f) == c) ? get_default_escape_syntax_type(static_cast<char>(c)) : ::boost::regex_constants::escape_type_identity; |
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} |
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int toi(const char_type*& p1, const char_type* p2, int radix)const |
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{ |
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return ::boost::re_detail::global_toi(p1, p2, radix, *this); |
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} |
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char_type translate(char_type c, bool icase)const |
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{ |
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return (icase ? this->translate_nocase(c) : this->translate(c)); |
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} |
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char_type translate(char_type c)const |
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{ |
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return BaseT::translate(c); |
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} |
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char_type tolower(char_type c)const |
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{ |
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return ::boost::re_detail::global_lower(c); |
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} |
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char_type toupper(char_type c)const |
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{ |
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return ::boost::re_detail::global_upper(c); |
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} |
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}; |
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template <class BaseT, bool has_extensions> |
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struct compute_wrapper_base |
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{ |
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typedef BaseT type; |
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}; |
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#if !defined(BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION) && !BOOST_WORKAROUND(__HP_aCC, < 60000) |
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template <class BaseT> |
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struct compute_wrapper_base<BaseT, false> |
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{ |
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typedef default_wrapper<BaseT> type; |
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}; |
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#else |
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template <> |
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struct compute_wrapper_base<c_regex_traits<char>, false> |
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{ |
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typedef default_wrapper<c_regex_traits<char> > type; |
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}; |
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#ifndef BOOST_NO_WREGEX |
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template <> |
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struct compute_wrapper_base<c_regex_traits<wchar_t>, false> |
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{ |
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typedef default_wrapper<c_regex_traits<wchar_t> > type; |
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}; |
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#endif |
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#endif |
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} // namespace re_detail |
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template <class BaseT> |
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struct regex_traits_wrapper |
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: public ::boost::re_detail::compute_wrapper_base< |
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BaseT, |
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::boost::re_detail::has_boost_extensions_tag<BaseT>::value |
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>::type |
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{ |
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regex_traits_wrapper(){} |
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private: |
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regex_traits_wrapper(const regex_traits_wrapper&); |
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regex_traits_wrapper& operator=(const regex_traits_wrapper&); |
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}; |
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} // namespace boost |
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#ifdef BOOST_MSVC |
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#pragma warning(push) |
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#pragma warning(disable: 4103) |
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#endif |
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#ifdef BOOST_HAS_ABI_HEADERS |
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# include BOOST_ABI_SUFFIX |
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#endif |
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#ifdef BOOST_MSVC |
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#pragma warning(pop) |
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#endif |
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#endif // include |
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