Chris@16: /*
Chris@16:  *
Chris@16:  * Copyright (c) 1998-2002
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         iterator_traits.cpp
Chris@16:   *   VERSION      see <boost/version.hpp>
Chris@16:   *   DESCRIPTION: Declares iterator traits workarounds.
Chris@16:   */
Chris@16: 
Chris@16: #ifndef BOOST_REGEX_V4_ITERATOR_TRAITS_HPP
Chris@16: #define BOOST_REGEX_V4_ITERATOR_TRAITS_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: namespace re_detail{
Chris@16: 
Chris@101: #if defined(BOOST_NO_STD_ITERATOR_TRAITS)
Chris@16: 
Chris@16: template <class T>
Chris@16: struct regex_iterator_traits 
Chris@16: {
Chris@16:   typedef typename T::iterator_category iterator_category;
Chris@16:   typedef typename T::value_type        value_type;
Chris@16: #if !defined(BOOST_NO_STD_ITERATOR)
Chris@16:   typedef typename T::difference_type   difference_type;
Chris@16:   typedef typename T::pointer           pointer;
Chris@16:   typedef typename T::reference         reference;
Chris@16: #else
Chris@16:   typedef std::ptrdiff_t                difference_type;
Chris@16:   typedef value_type*                   pointer;
Chris@16:   typedef value_type&                   reference;
Chris@16: #endif
Chris@16: };
Chris@16: 
Chris@16: template <class T>
Chris@16: struct pointer_iterator_traits
Chris@16: {
Chris@16:    typedef std::ptrdiff_t difference_type;
Chris@16:    typedef T value_type;
Chris@16:    typedef T* pointer;
Chris@16:    typedef T& reference;
Chris@16:    typedef std::random_access_iterator_tag iterator_category;
Chris@16: };
Chris@16: template <class T>
Chris@16: struct const_pointer_iterator_traits
Chris@16: {
Chris@16:    typedef std::ptrdiff_t difference_type;
Chris@16:    typedef T value_type;
Chris@16:    typedef const T* pointer;
Chris@16:    typedef const T& reference;
Chris@16:    typedef std::random_access_iterator_tag iterator_category;
Chris@16: };
Chris@16: 
Chris@16: template<>
Chris@16: struct regex_iterator_traits<char*> : pointer_iterator_traits<char>{};
Chris@16: template<>
Chris@16: struct regex_iterator_traits<const char*> : const_pointer_iterator_traits<char>{};
Chris@16: template<>
Chris@16: struct regex_iterator_traits<wchar_t*> : pointer_iterator_traits<wchar_t>{};
Chris@16: template<>
Chris@16: struct regex_iterator_traits<const wchar_t*> : const_pointer_iterator_traits<wchar_t>{};
Chris@16: //
Chris@16: // the follwoing are needed for ICU support:
Chris@16: //
Chris@16: template<>
Chris@16: struct regex_iterator_traits<unsigned char*> : pointer_iterator_traits<char>{};
Chris@16: template<>
Chris@16: struct regex_iterator_traits<const unsigned char*> : const_pointer_iterator_traits<char>{};
Chris@16: template<>
Chris@16: struct regex_iterator_traits<int*> : pointer_iterator_traits<int>{};
Chris@16: template<>
Chris@16: struct regex_iterator_traits<const int*> : const_pointer_iterator_traits<int>{};
Chris@16: 
Chris@16: #ifdef BOOST_REGEX_HAS_OTHER_WCHAR_T
Chris@16: template<>
Chris@16: struct regex_iterator_traits<unsigned short*> : pointer_iterator_traits<unsigned short>{};
Chris@16: template<>
Chris@16: struct regex_iterator_traits<const unsigned short*> : const_pointer_iterator_traits<unsigned short>{};
Chris@16: #endif
Chris@16: 
Chris@16: #if defined(__SGI_STL_PORT) && defined(__STL_DEBUG)
Chris@16: template<>
Chris@16: struct regex_iterator_traits<std::string::iterator> : pointer_iterator_traits<char>{};
Chris@16: template<>
Chris@16: struct regex_iterator_traits<std::string::const_iterator> : const_pointer_iterator_traits<char>{};
Chris@16: #ifndef BOOST_NO_STD_WSTRING
Chris@16: template<>
Chris@16: struct regex_iterator_traits<std::wstring::iterator> : pointer_iterator_traits<wchar_t>{};
Chris@16: template<>
Chris@16: struct regex_iterator_traits<std::wstring::const_iterator> : const_pointer_iterator_traits<wchar_t>{};
Chris@16: #endif // BOOST_NO_WSTRING
Chris@16: #endif // stport
Chris@16: 
Chris@16: #else
Chris@16: 
Chris@16: template <class T>
Chris@16: struct regex_iterator_traits : public std::iterator_traits<T> {};
Chris@16: 
Chris@16: #endif
Chris@16: 
Chris@16: } // namespace re_detail
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
Chris@16: