blob: 6795b3505b33f1b61b4c93be1dfd1393e9800238 [file] [log] [blame]
/*
*
* 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 <ndnboost/version.hpp>
* DESCRIPTION: Declares iterator traits workarounds.
*/
#ifndef NDNBOOST_REGEX_V4_ITERATOR_TRAITS_HPP
#define NDNBOOST_REGEX_V4_ITERATOR_TRAITS_HPP
#ifdef NDNBOOST_MSVC
#pragma warning(push)
#pragma warning(disable: 4103)
#endif
#ifdef NDNBOOST_HAS_ABI_HEADERS
# include NDNBOOST_ABI_PREFIX
#endif
#ifdef NDNBOOST_MSVC
#pragma warning(pop)
#endif
namespace ndnboost{
namespace re_detail{
#if defined(NDNBOOST_NO_STD_ITERATOR_TRAITS) || defined(NDNBOOST_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(NDNBOOST_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 NDNBOOST_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 NDNBOOST_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 // NDNBOOST_NO_WSTRING
#endif // stport
#else
template <class T>
struct regex_iterator_traits : public std::iterator_traits<T> {};
#endif
} // namespace re_detail
} // namespace ndnboost
#ifdef NDNBOOST_MSVC
#pragma warning(push)
#pragma warning(disable: 4103)
#endif
#ifdef NDNBOOST_HAS_ABI_HEADERS
# include NDNBOOST_ABI_SUFFIX
#endif
#ifdef NDNBOOST_MSVC
#pragma warning(pop)
#endif
#endif