Chris@16: /*
Chris@16:  *
Chris@16:  * Copyright (c) 2003
Chris@16:  * John Maddock
Chris@16:  *
Chris@16:  * Use, modification and distribution are subject to the 
Chris@16:  * Boost Software License, Version 1.0. (See accompanying file 
Chris@16:  * LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
Chris@16:  *
Chris@16:  */
Chris@16:  
Chris@16:  /*
Chris@16:   *   LOCATION:    see http://www.boost.org for most recent version.
Chris@16:   *   FILE         regex_traits.hpp
Chris@16:   *   VERSION      see <boost/version.hpp>
Chris@16:   *   DESCRIPTION: Declares regular expression traits classes.
Chris@16:   */
Chris@16: 
Chris@16: #ifndef BOOST_REGEX_TRAITS_HPP_INCLUDED
Chris@16: #define BOOST_REGEX_TRAITS_HPP_INCLUDED
Chris@16: 
Chris@16: #ifndef BOOST_REGEX_CONFIG_HPP
Chris@16: #include <boost/regex/config.hpp>
Chris@16: #endif
Chris@16: #ifndef BOOST_REGEX_WORKAROUND_HPP
Chris@16: #include <boost/regex/v4/regex_workaround.hpp>
Chris@16: #endif
Chris@16: #ifndef BOOST_REGEX_SYNTAX_TYPE_HPP
Chris@16: #include <boost/regex/v4/syntax_type.hpp>
Chris@16: #endif
Chris@16: #ifndef BOOST_REGEX_ERROR_TYPE_HPP
Chris@16: #include <boost/regex/v4/error_type.hpp>
Chris@16: #endif
Chris@16: #ifndef BOOST_REGEX_TRAITS_DEFAULTS_HPP_INCLUDED
Chris@16: #include <boost/regex/v4/regex_traits_defaults.hpp>
Chris@16: #endif
Chris@16: #ifndef BOOST_NO_STD_LOCALE
Chris@16: #  ifndef BOOST_CPP_REGEX_TRAITS_HPP_INCLUDED
Chris@16: #     include <boost/regex/v4/cpp_regex_traits.hpp>
Chris@16: #  endif
Chris@16: #endif
Chris@16: #if !BOOST_WORKAROUND(__BORLANDC__, < 0x560)
Chris@16: #  ifndef BOOST_C_REGEX_TRAITS_HPP_INCLUDED
Chris@16: #     include <boost/regex/v4/c_regex_traits.hpp>
Chris@16: #  endif
Chris@16: #endif
Chris@16: #if defined(_WIN32) && !defined(BOOST_REGEX_NO_W32)
Chris@16: #  ifndef BOOST_W32_REGEX_TRAITS_HPP_INCLUDED
Chris@16: #     include <boost/regex/v4/w32_regex_traits.hpp>
Chris@16: #  endif
Chris@16: #endif
Chris@16: #ifndef BOOST_REGEX_FWD_HPP_INCLUDED
Chris@16: #include <boost/regex_fwd.hpp>
Chris@16: #endif
Chris@16: 
Chris@16: #include "boost/mpl/has_xxx.hpp"
Chris@16: #include <boost/static_assert.hpp>
Chris@16: 
Chris@16: #ifdef BOOST_MSVC
Chris@16: #pragma warning(push)
Chris@16: #pragma warning(disable: 4103)
Chris@16: #endif
Chris@16: #ifdef BOOST_HAS_ABI_HEADERS
Chris@16: #  include BOOST_ABI_PREFIX
Chris@16: #endif
Chris@16: #ifdef BOOST_MSVC
Chris@16: #pragma warning(pop)
Chris@16: #endif
Chris@16: 
Chris@16: namespace boost{
Chris@16: 
Chris@16: template <class charT, class implementationT >
Chris@16: struct regex_traits : public implementationT
Chris@16: {
Chris@16:    regex_traits() : implementationT() {}
Chris@16: };
Chris@16: 
Chris@16: //
Chris@16: // class regex_traits_wrapper.
Chris@16: // this is what our implementation will actually store;
Chris@16: // it provides default implementations of the "optional"
Chris@16: // interfaces that we support, in addition to the
Chris@16: // required "standard" ones:
Chris@16: //
Chris@16: namespace re_detail{
Chris@101: #if !BOOST_WORKAROUND(__HP_aCC, < 60000)
Chris@16: BOOST_MPL_HAS_XXX_TRAIT_DEF(boost_extensions_tag)
Chris@16: #else
Chris@16: template<class T>
Chris@16: struct has_boost_extensions_tag
Chris@16: {
Chris@16:    BOOST_STATIC_CONSTANT(bool, value = false);
Chris@16: };
Chris@16: #endif
Chris@16: 
Chris@16: template <class BaseT>
Chris@16: struct default_wrapper : public BaseT
Chris@16: {
Chris@16:    typedef typename BaseT::char_type char_type;
Chris@16:    std::string error_string(::boost::regex_constants::error_type e)const
Chris@16:    {
Chris@16:       return ::boost::re_detail::get_default_error_string(e);
Chris@16:    }
Chris@16:    ::boost::regex_constants::syntax_type syntax_type(char_type c)const
Chris@16:    {
Chris@16:       return ((c & 0x7f) == c) ? get_default_syntax_type(static_cast<char>(c)) : ::boost::regex_constants::syntax_char;
Chris@16:    }
Chris@16:    ::boost::regex_constants::escape_syntax_type escape_syntax_type(char_type c)const
Chris@16:    {
Chris@16:       return ((c & 0x7f) == c) ? get_default_escape_syntax_type(static_cast<char>(c)) : ::boost::regex_constants::escape_type_identity;
Chris@16:    }
Chris@16:    int toi(const char_type*& p1, const char_type* p2, int radix)const
Chris@16:    {
Chris@16:       return ::boost::re_detail::global_toi(p1, p2, radix, *this);
Chris@16:    }
Chris@16:    char_type translate(char_type c, bool icase)const
Chris@16:    {
Chris@16:       return (icase ? this->translate_nocase(c) : this->translate(c));
Chris@16:    }
Chris@16:    char_type translate(char_type c)const
Chris@16:    {
Chris@16:       return BaseT::translate(c);
Chris@16:    }
Chris@16:    char_type tolower(char_type c)const
Chris@16:    {
Chris@16:       return ::boost::re_detail::global_lower(c);
Chris@16:    }
Chris@16:    char_type toupper(char_type c)const
Chris@16:    {
Chris@16:       return ::boost::re_detail::global_upper(c);
Chris@16:    }
Chris@16: };
Chris@16: 
Chris@16: template <class BaseT, bool has_extensions>
Chris@16: struct compute_wrapper_base
Chris@16: {
Chris@16:    typedef BaseT type;
Chris@16: };
Chris@101: #if !BOOST_WORKAROUND(__HP_aCC, < 60000)
Chris@16: template <class BaseT>
Chris@16: struct compute_wrapper_base<BaseT, false>
Chris@16: {
Chris@16:    typedef default_wrapper<BaseT> type;
Chris@16: };
Chris@16: #else
Chris@16: template <>
Chris@16: struct compute_wrapper_base<c_regex_traits<char>, false>
Chris@16: {
Chris@16:    typedef default_wrapper<c_regex_traits<char> > type;
Chris@16: };
Chris@16: #ifndef BOOST_NO_WREGEX
Chris@16: template <>
Chris@16: struct compute_wrapper_base<c_regex_traits<wchar_t>, false>
Chris@16: {
Chris@16:    typedef default_wrapper<c_regex_traits<wchar_t> > type;
Chris@16: };
Chris@16: #endif
Chris@16: #endif
Chris@16: 
Chris@16: } // namespace re_detail
Chris@16: 
Chris@16: template <class BaseT>
Chris@16: struct regex_traits_wrapper 
Chris@16:    : public ::boost::re_detail::compute_wrapper_base<
Chris@16:                BaseT, 
Chris@16:                ::boost::re_detail::has_boost_extensions_tag<BaseT>::value
Chris@16:             >::type
Chris@16: {
Chris@16:    regex_traits_wrapper(){}
Chris@16: private:
Chris@16:    regex_traits_wrapper(const regex_traits_wrapper&);
Chris@16:    regex_traits_wrapper& operator=(const regex_traits_wrapper&);
Chris@16: };
Chris@16: 
Chris@16: } // namespace boost
Chris@16: 
Chris@16: #ifdef BOOST_MSVC
Chris@16: #pragma warning(push)
Chris@16: #pragma warning(disable: 4103)
Chris@16: #endif
Chris@16: #ifdef BOOST_HAS_ABI_HEADERS
Chris@16: #  include BOOST_ABI_SUFFIX
Chris@16: #endif
Chris@16: #ifdef BOOST_MSVC
Chris@16: #pragma warning(pop)
Chris@16: #endif
Chris@16: 
Chris@16: #endif // include
Chris@16: