/* * * Copyright (c) 1998-2002 * John Maddock * * Use, modification and distribution are subject to 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) * */ /* * LOCATION: see http://www.boost.org for most recent version. * FILE iterator_traits.cpp * VERSION see <boost/version.hpp> * DESCRIPTION: Declares iterator traits workarounds. */ #ifndef BOOST_REGEX_V4_ITERATOR_TRAITS_HPP #define BOOST_REGEX_V4_ITERATOR_TRAITS_HPP #ifdef BOOST_MSVC #pragma warning(push) #pragma warning(disable: 4103) #endif #ifdef BOOST_HAS_ABI_HEADERS # include BOOST_ABI_PREFIX #endif #ifdef BOOST_MSVC #pragma warning(pop) #endif namespace boost{ namespace re_detail{ #if defined(BOOST_NO_STD_ITERATOR_TRAITS) || defined(BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION) template <class T> struct regex_iterator_traits { typedef typename T::iterator_category iterator_category; typedef typename T::value_type value_type; #if !defined(BOOST_NO_STD_ITERATOR) typedef typename T::difference_type difference_type; typedef typename T::pointer pointer; typedef typename T::reference reference; #else typedef std::ptrdiff_t difference_type; typedef value_type* pointer; typedef value_type& reference; #endif }; template <class T> struct pointer_iterator_traits { typedef std::ptrdiff_t difference_type; typedef T value_type; typedef T* pointer; typedef T& reference; typedef std::random_access_iterator_tag iterator_category; }; template <class T> struct const_pointer_iterator_traits { typedef std::ptrdiff_t difference_type; typedef T value_type; typedef const T* pointer; typedef const T& reference; typedef std::random_access_iterator_tag iterator_category; }; template<> struct regex_iterator_traits<char*> : pointer_iterator_traits<char>{}; template<> struct regex_iterator_traits<const char*> : const_pointer_iterator_traits<char>{}; template<> struct regex_iterator_traits<wchar_t*> : pointer_iterator_traits<wchar_t>{}; template<> struct regex_iterator_traits<const wchar_t*> : const_pointer_iterator_traits<wchar_t>{}; // // the follwoing are needed for ICU support: // template<> struct regex_iterator_traits<unsigned char*> : pointer_iterator_traits<char>{}; template<> struct regex_iterator_traits<const unsigned char*> : const_pointer_iterator_traits<char>{}; template<> struct regex_iterator_traits<int*> : pointer_iterator_traits<int>{}; template<> struct regex_iterator_traits<const int*> : const_pointer_iterator_traits<int>{}; #ifdef BOOST_REGEX_HAS_OTHER_WCHAR_T template<> struct regex_iterator_traits<unsigned short*> : pointer_iterator_traits<unsigned short>{}; template<> struct regex_iterator_traits<const unsigned short*> : const_pointer_iterator_traits<unsigned short>{}; #endif #if defined(__SGI_STL_PORT) && defined(__STL_DEBUG) template<> struct regex_iterator_traits<std::string::iterator> : pointer_iterator_traits<char>{}; template<> struct regex_iterator_traits<std::string::const_iterator> : const_pointer_iterator_traits<char>{}; #ifndef BOOST_NO_STD_WSTRING template<> struct regex_iterator_traits<std::wstring::iterator> : pointer_iterator_traits<wchar_t>{}; template<> struct regex_iterator_traits<std::wstring::const_iterator> : const_pointer_iterator_traits<wchar_t>{}; #endif // BOOST_NO_WSTRING #endif // stport #else template <class T> struct regex_iterator_traits : public std::iterator_traits<T> {}; #endif } // namespace re_detail } // namespace boost #ifdef BOOST_MSVC #pragma warning(push) #pragma warning(disable: 4103) #endif #ifdef BOOST_HAS_ABI_HEADERS # include BOOST_ABI_SUFFIX #endif #ifdef BOOST_MSVC #pragma warning(pop) #endif #endif