diff options
Diffstat (limited to 'stlport/stl/_iterator_base.h')
-rw-r--r-- | stlport/stl/_iterator_base.h | 525 |
1 files changed, 0 insertions, 525 deletions
diff --git a/stlport/stl/_iterator_base.h b/stlport/stl/_iterator_base.h deleted file mode 100644 index ef59048..0000000 --- a/stlport/stl/_iterator_base.h +++ /dev/null @@ -1,525 +0,0 @@ -/* - * - * Copyright (c) 1994 - * Hewlett-Packard Company - * - * Copyright (c) 1996-1998 - * Silicon Graphics Computer Systems, Inc. - * - * Copyright (c) 1997 - * Moscow Center for SPARC Technology - * - * Copyright (c) 1999 - * Boris Fomitchev - * - * This material is provided "as is", with absolutely no warranty expressed - * or implied. Any use is at your own risk. - * - * Permission to use or copy this software for any purpose is hereby granted - * without fee, provided the above notices are retained on all copies. - * Permission to modify the code and to distribute modified code is granted, - * provided the above notices are retained, and a notice that the code was - * modified is included with the above copyright notice. - * - */ - -/* NOTE: This is an internal header file, included by other STL headers. - * You should not attempt to use it directly. - */ - -#ifndef _STLP_INTERNAL_ITERATOR_BASE_H -#define _STLP_INTERNAL_ITERATOR_BASE_H - -#ifndef _STLP_INTERNAL_CSTDDEF -# include <stl/_cstddef.h> -#endif - -//# if defined (_STLP_IMPORT_VENDOR_CSTD) && ! defined (_STLP_VENDOR_GLOBAL_CSTD) -//_STLP_BEGIN_NAMESPACE -//using namespace _STLP_VENDOR_CSTD; -//_STLP_END_NAMESPACE -//#endif /* _STLP_IMPORT_VENDOR_CSTD */ - -#if !defined(_STLP_USE_OLD_HP_ITERATOR_QUERIES) && !defined(_STLP_CLASS_PARTIAL_SPECIALIZATION) -# ifndef _STLP_TYPE_TRAITS_H -# include <stl/type_traits.h> -# endif -#endif - -_STLP_BEGIN_NAMESPACE - -struct input_iterator_tag {}; -struct output_iterator_tag {}; -struct forward_iterator_tag : public input_iterator_tag {}; -struct bidirectional_iterator_tag : public forward_iterator_tag {}; -struct random_access_iterator_tag : public bidirectional_iterator_tag {}; - -template <class _Category, class _Tp, _STLP_DFL_TMPL_PARAM(_Distance,ptrdiff_t), - _STLP_DFL_TMPL_PARAM(_Pointer,_Tp*), _STLP_DFL_TMPL_PARAM(_Reference,_Tp&) > -struct iterator { - typedef _Category iterator_category; - typedef _Tp value_type; - typedef _Distance difference_type; - typedef _Pointer pointer; - typedef _Reference reference; -}; -_STLP_TEMPLATE_NULL -struct iterator<output_iterator_tag, void, void, void, void> { - typedef output_iterator_tag iterator_category; -#ifdef _STLP_CLASS_PARTIAL_SPECIALIZATION - typedef void value_type; - typedef void difference_type; - typedef void pointer; - typedef void reference; -#endif -}; - -#if defined (_STLP_USE_OLD_HP_ITERATOR_QUERIES) -# define _STLP_ITERATOR_CATEGORY(_It, _Tp) _STLP_STD::iterator_category(_It) -# define _STLP_DISTANCE_TYPE(_It, _Tp) _STLP_STD::distance_type(_It) -# define _STLP_VALUE_TYPE(_It, _Tp) _STLP_STD::value_type(_It) -//Old HP iterator queries do not give information about the iterator -//associated reference type so we consider that it is not a real reference. -# define _STLP_IS_REF_TYPE_REAL_REF(_It, _Tp) __false_type() -#else -# if defined (_STLP_CLASS_PARTIAL_SPECIALIZATION) -# define _STLP_VALUE_TYPE(_It, _Tp) (_STLP_TYPENAME _STLP_STD::iterator_traits< _Tp >::value_type*)0 -# define _STLP_DISTANCE_TYPE(_It, _Tp) (_STLP_TYPENAME _STLP_STD::iterator_traits< _Tp >::difference_type*)0 -# if defined (__BORLANDC__) || defined (__SUNPRO_CC) || ( defined (__MWERKS__) && (__MWERKS__ <= 0x2303)) || \ - (defined (__sgi) && defined (_COMPILER_VERSION)) || defined (__DMC__) -# define _STLP_ITERATOR_CATEGORY(_It, _Tp) _STLP_STD::iterator_traits< _Tp >::iterator_category() -# else -# define _STLP_ITERATOR_CATEGORY(_It, _Tp) _STLP_TYPENAME _STLP_STD::iterator_traits< _Tp >::iterator_category() -# endif -# define _STLP_IS_REF_TYPE_REAL_REF(_It, _Tp) _STLP_STD::_IsRefType< _STLP_TYPENAME _STLP_STD::iterator_traits< _Tp >::reference >::_Ret() -# else -# define _STLP_ITERATOR_CATEGORY(_It, _Tp) _STLP_STD::__iterator_category(_It, _STLP_STD::_IsPtrType<_Tp>::_Ret()) -# define _STLP_DISTANCE_TYPE(_It, _Tp) _STLP_STD::__distance_type(_It, _STLP_STD::_IsPtrType<_Tp>::_Ret()) -# define _STLP_VALUE_TYPE(_It, _Tp) _STLP_STD::__value_type(_It, _STLP_STD::_IsPtrType<_Tp>::_Ret()) -# define _STLP_IS_REF_TYPE_REAL_REF(_It, _Tp) __false_type() -# endif -#endif - -#if defined (_STLP_DONT_REDEFINE_STD) && defined (_STLP_WHOLE_NATIVE_STD) -/* In this mode we will see both STLport implementation and native - * one. To allow some interaction between both implementations through - * iterators we have to map std iterator categories to stlport ones. This - * way we will be able to initialize STLport containers with native - * iterators, the other side won't work except when STLport iterators are - * simple pointers. */ - -_STLP_END_NAMESPACE - -# if defined (_STLP_HAS_INCLUDE_NEXT) -# include_next <iterator> -# else -# include _STLP_NATIVE_HEADER(iterator) -# endif - -_STLP_BEGIN_NAMESPACE - -template <class _IteCat> -struct _CategoryMapping -{ typedef _IteCat _Tag; }; - -_STLP_TEMPLATE_NULL -struct _CategoryMapping<::std::input_iterator_tag> -{ typedef input_iterator_tag _Tag; }; -_STLP_TEMPLATE_NULL -struct _CategoryMapping<::std::output_iterator_tag> -{ typedef output_iterator_tag _Tag; }; -_STLP_TEMPLATE_NULL -struct _CategoryMapping<::std::forward_iterator_tag> -{ typedef forward_iterator_tag _Tag; }; -_STLP_TEMPLATE_NULL -struct _CategoryMapping<::std::bidirectional_iterator_tag> -{ typedef bidirectional_iterator_tag _Tag; }; -_STLP_TEMPLATE_NULL -struct _CategoryMapping<::std::random_access_iterator_tag> -{ typedef random_access_iterator_tag _Tag; }; - -template <class _Iterator> -struct iterator_traits { - typedef typename _Iterator::iterator_category _OriginalTag; - typedef typename _CategoryMapping<_OriginalTag>::_Tag iterator_category; -#else -template <class _Iterator> -struct iterator_traits { - typedef typename _Iterator::iterator_category iterator_category; -#endif - typedef typename _Iterator::value_type value_type; - typedef typename _Iterator::difference_type difference_type; - typedef typename _Iterator::pointer pointer; - typedef typename _Iterator::reference reference; -}; - -#if defined (_STLP_CLASS_PARTIAL_SPECIALIZATION) && !defined (__SUNPRO_CC) -# define _STLP_DIFFERENCE_TYPE(_Iterator) typename iterator_traits<_Iterator>::difference_type -#else -# define _STLP_DIFFERENCE_TYPE(_Iterator) ptrdiff_t -#endif - -#ifdef _STLP_CLASS_PARTIAL_SPECIALIZATION - -// fbp : this order keeps gcc happy -template <class _Tp> -struct iterator_traits<const _Tp*> { - typedef random_access_iterator_tag iterator_category; - typedef _Tp value_type; - typedef ptrdiff_t difference_type; - typedef const _Tp* pointer; - typedef const _Tp& reference; -}; - -template <class _Tp> -struct iterator_traits<_Tp*> { - typedef random_access_iterator_tag iterator_category; - typedef _Tp value_type; - typedef ptrdiff_t difference_type; - typedef _Tp* pointer; - typedef _Tp& reference; -}; - -# if defined (__BORLANDC__) -template <class _Tp> -struct iterator_traits<_Tp* const> { - typedef random_access_iterator_tag iterator_category; - typedef _Tp value_type; - typedef ptrdiff_t difference_type; - typedef const _Tp* pointer; - typedef const _Tp& reference; -}; -# endif - -#endif /* _STLP_CLASS_PARTIAL_SPECIALIZATION */ - -_STLP_END_NAMESPACE -#include <stl/_ptrs_specialize.h> -_STLP_BEGIN_NAMESPACE - -#ifndef _STLP_USE_OLD_HP_ITERATOR_QUERIES -// The overloaded functions iterator_category, distance_type, and -// value_type are not part of the C++ standard. (They have been -// replaced by struct iterator_traits.) They are included for -// backward compatibility with the HP STL. -// We introduce internal names for these functions. - -# ifndef _STLP_CLASS_PARTIAL_SPECIALIZATION - -template <class _Tp> -inline _STLP_STD::random_access_iterator_tag -__iterator_category(const _Tp*, const __true_type&) -{ return _STLP_STD::random_access_iterator_tag(); } - -template <class _Iter> -inline _STLP_TYPENAME_ON_RETURN_TYPE _STLP_STD::iterator_traits<_Iter>::iterator_category -__iterator_category(const _Iter&, const __false_type&) { - typedef _STLP_TYPENAME _STLP_STD::iterator_traits<_Iter>::iterator_category _Category; - return _Category(); -} - -template <class _Tp> -inline ptrdiff_t* -__distance_type(const _Tp*, const __true_type&) -{ return __STATIC_CAST(ptrdiff_t*, 0); } - -template <class _Iter> -inline _STLP_TYPENAME_ON_RETURN_TYPE _STLP_STD::iterator_traits<_Iter>::difference_type* -__distance_type(const _Iter&, const __false_type&) { - typedef _STLP_TYPENAME _STLP_STD::iterator_traits<_Iter>::difference_type _diff_type; - return __STATIC_CAST(_diff_type*,0); -} - -template <class _Tp> -inline _Tp* -__value_type(const _Tp*, const __true_type&) -{ return __STATIC_CAST(_Tp*, 0); } - -template <class _Iter> -inline _STLP_TYPENAME_ON_RETURN_TYPE _STLP_STD::iterator_traits<_Iter>::value_type* -__value_type(const _Iter&, const __false_type&) { - typedef _STLP_TYPENAME _STLP_STD::iterator_traits<_Iter>::value_type _value_type; - return __STATIC_CAST(_value_type*,0); -} - -# endif - -#else /* _STLP_USE_OLD_HP_ITERATOR_QUERIES */ -template <class _Category, class _Tp, class _Distance, class _Pointer, class _Reference> -inline _Category _STLP_CALL iterator_category(const iterator<_Category,_Tp,_Distance,_Pointer,_Reference>&) { return _Category(); } -template <class _Category, class _Tp, class _Distance, class _Pointer, class _Reference> -inline _Tp* _STLP_CALL value_type(const iterator<_Category,_Tp,_Distance,_Pointer,_Reference>&) { return __STATIC_CAST(_Tp*, 0); } -template <class _Category, class _Tp, class _Distance, class _Pointer, class _Reference> -inline _Distance* _STLP_CALL distance_type(const iterator<_Category,_Tp,_Distance,_Pointer,_Reference>&) { return __STATIC_CAST(_Distance*, 0); } -template <class _Tp> -inline random_access_iterator_tag _STLP_CALL iterator_category(const _Tp*) { return random_access_iterator_tag(); } -template <class _Tp> -inline _Tp* _STLP_CALL value_type(const _Tp*) { return __STATIC_CAST(_Tp*, 0); } -template <class _Tp> -inline ptrdiff_t* _STLP_CALL distance_type(const _Tp*) { return __STATIC_CAST(ptrdiff_t*, 0); } -#endif /* _STLP_USE_OLD_HP_ITERATOR_QUERIES */ - -#if !defined (_STLP_NO_ANACHRONISMS) -// The base classes input_iterator, output_iterator, forward_iterator, -// bidirectional_iterator, and random_access_iterator are not part of -// the C++ standard. (They have been replaced by struct iterator.) -// They are included for backward compatibility with the HP STL. -template <class _Tp, class _Distance> struct input_iterator : - public iterator <input_iterator_tag, _Tp, _Distance, _Tp*, _Tp&> {}; -struct output_iterator : public iterator <output_iterator_tag, void, void, void, void> {}; -template <class _Tp, class _Distance> struct forward_iterator : - public iterator<forward_iterator_tag, _Tp, _Distance, _Tp*, _Tp&> {}; -template <class _Tp, class _Distance> struct bidirectional_iterator : - public iterator<bidirectional_iterator_tag, _Tp, _Distance, _Tp*, _Tp&> {}; -template <class _Tp, class _Distance> struct random_access_iterator : - public iterator<random_access_iterator_tag, _Tp, _Distance, _Tp*, _Tp&> {}; - -# if defined (_STLP_BASE_MATCH_BUG) && defined (_STLP_USE_OLD_HP_ITERATOR_QUERIES) -template <class _Tp, class _Distance> -inline input_iterator_tag _STLP_CALL -iterator_category(const input_iterator<_Tp, _Distance>&) { return input_iterator_tag(); } -inline output_iterator_tag _STLP_CALL -iterator_category(const output_iterator&) { return output_iterator_tag(); } -template <class _Tp, class _Distance> -inline forward_iterator_tag _STLP_CALL -iterator_category(const forward_iterator<_Tp, _Distance>&) { return forward_iterator_tag(); } -template <class _Tp, class _Distance> -inline bidirectional_iterator_tag _STLP_CALL -iterator_category(const bidirectional_iterator<_Tp, _Distance>&) { return bidirectional_iterator_tag(); } -template <class _Tp, class _Distance> -inline random_access_iterator_tag _STLP_CALL -iterator_category(const random_access_iterator<_Tp, _Distance>&) { return random_access_iterator_tag(); } -template <class _Tp, class _Distance> -inline _Tp* _STLP_CALL value_type(const input_iterator<_Tp, _Distance>&) { return __STATIC_CAST(_Tp*, 0); } -template <class _Tp, class _Distance> -inline _Tp* _STLP_CALL value_type(const forward_iterator<_Tp, _Distance>&) { return __STATIC_CAST(_Tp*, 0); } -template <class _Tp, class _Distance> -inline _Tp* _STLP_CALL value_type(const bidirectional_iterator<_Tp, _Distance>&) { return __STATIC_CAST(_Tp*, 0); } -template <class _Tp, class _Distance> -inline _Tp* _STLP_CALL value_type(const random_access_iterator<_Tp, _Distance>&) { return __STATIC_CAST(_Tp*, 0); } -template <class _Tp, class _Distance> -inline _Distance* _STLP_CALL distance_type(const input_iterator<_Tp, _Distance>&) { return __STATIC_CAST(_Distance*, 0); } -template <class _Tp, class _Distance> -inline _Distance* _STLP_CALL distance_type(const forward_iterator<_Tp, _Distance>&) { return __STATIC_CAST(_Distance*, 0); } -template <class _Tp, class _Distance> -inline _Distance* _STLP_CALL distance_type(const bidirectional_iterator<_Tp, _Distance>&) { return __STATIC_CAST(_Distance*, 0);} -template <class _Tp, class _Distance> -inline _Distance* _STLP_CALL distance_type(const random_access_iterator<_Tp, _Distance>&) { return __STATIC_CAST(_Distance*, 0); } -# endif -#endif - -_STLP_MOVE_TO_PRIV_NAMESPACE - -template <class _InputIterator> -inline _STLP_DIFFERENCE_TYPE(_InputIterator) _STLP_CALL -__distance(const _InputIterator& __first, const _InputIterator& __last, - const input_iterator_tag &) { - _STLP_DIFFERENCE_TYPE(_InputIterator) __n = 0; - _InputIterator __it(__first); - while (__it != __last) { - ++__it; ++__n; - } - return __n; -} - -#if defined (_STLP_NONTEMPL_BASE_MATCH_BUG) -template <class _ForwardIterator> -inline _STLP_DIFFERENCE_TYPE(_ForwardIterator) _STLP_CALL -__distance(const _ForwardIterator& __first, const _ForwardIterator& __last, - const forward_iterator_tag &) { - _STLP_DIFFERENCE_TYPE(_ForwardIterator) __n = 0; - _ForwardIterator __it(__first); - while (__it != __last) { - ++__it; ++__n; - } - return __n; -} - -template <class _BidirectionalIterator> -_STLP_INLINE_LOOP _STLP_DIFFERENCE_TYPE(_BidirectionalIterator) _STLP_CALL -__distance(const _BidirectionalIterator& __first, const _BidirectionalIterator& __last, - const bidirectional_iterator_tag &) { - _STLP_DIFFERENCE_TYPE(_BidirectionalIterator) __n = 0; - _BidirectionalIterator __it(__first); - while (__it != __last) { - ++__it; ++__n; - } - return __n; -} -#endif - -template <class _RandomAccessIterator> -inline _STLP_DIFFERENCE_TYPE(_RandomAccessIterator) _STLP_CALL -__distance(const _RandomAccessIterator& __first, const _RandomAccessIterator& __last, - const random_access_iterator_tag &) -{ return __last - __first; } - -_STLP_MOVE_TO_STD_NAMESPACE - -template <class _InputIterator> -inline _STLP_DIFFERENCE_TYPE(_InputIterator) _STLP_CALL -distance(_InputIterator __first, _InputIterator __last) -{ return _STLP_PRIV __distance(__first, __last, _STLP_ITERATOR_CATEGORY(__first, _InputIterator)); } - -#if !defined (_STLP_NO_ANACHRONISMS) -template <class _InputIterator, class _Distance> -inline void _STLP_CALL distance(const _InputIterator& __first, - const _InputIterator& __last, _Distance& __n) -{ __n += _STLP_STD::distance(__first, __last); } - -# if defined (_STLP_MSVC) -// MSVC specific -template <class _InputIterator, class _Dist> -inline void _STLP_CALL _Distance(_InputIterator __first, - _InputIterator __last, _Dist& __n) -{ __n += _STLP_STD::distance(__first, __last); } -# endif -#endif - -// fbp: those are being used for iterator/const_iterator definitions everywhere -template <class _Tp> -struct _Nonconst_traits; - -template <class _Tp> -struct _Const_traits { - typedef _Tp value_type; - typedef const _Tp& reference; - typedef const _Tp* pointer; - typedef _Const_traits<_Tp> _ConstTraits; - typedef _Nonconst_traits<_Tp> _NonConstTraits; -}; - -template <class _Tp> -struct _Nonconst_traits { - typedef _Tp value_type; - typedef _Tp& reference; - typedef _Tp* pointer; - typedef _Const_traits<_Tp> _ConstTraits; - typedef _Nonconst_traits<_Tp> _NonConstTraits; -}; - -/* - * dums: A special iterator/const_iterator traits for set and multiset for which even - * the iterator is not mutable - */ -template <class _Tp> -struct _Nonconst_Const_traits; - -template <class _Tp> -struct _Const_Const_traits { - typedef _Tp value_type; - typedef const _Tp& reference; - typedef const _Tp* pointer; - typedef _Const_Const_traits<_Tp> _ConstTraits; - typedef _Nonconst_Const_traits<_Tp> _NonConstTraits; -}; - -template <class _Tp> -struct _Nonconst_Const_traits { - typedef _Tp value_type; - typedef const _Tp& reference; - typedef const _Tp* pointer; - typedef _Const_Const_traits<_Tp> _ConstTraits; - typedef _Nonconst_Const_traits<_Tp> _NonConstTraits; -}; - -/* - * A macro to generate a new iterator traits from one of the - * previous one. Changing the iterator traits type make iterators - * from different containers not comparable. - */ -#define _STLP_CREATE_ITERATOR_TRAITS_BASE(Motif, Traits) \ -template <class _Tp> \ -struct _##Motif; \ -template <class _Tp> \ -struct _Const##Motif : public _STLP_STD::_Const_##Traits<_Tp> { \ - typedef _Const##Motif<_Tp> _ConstTraits; \ - typedef _##Motif<_Tp> _NonConstTraits; \ -}; \ -template <class _Tp> \ -struct _##Motif : public _STLP_STD::_Nonconst_##Traits<_Tp> { \ - typedef _Const##Motif<_Tp> _ConstTraits; \ - typedef _##Motif<_Tp> _NonConstTraits; \ -}; - -#define _STLP_CREATE_ITERATOR_TRAITS(Motif, Traits) \ -_STLP_MOVE_TO_PRIV_NAMESPACE \ -_STLP_CREATE_ITERATOR_TRAITS_BASE(Motif, Traits) \ -_STLP_MOVE_TO_STD_NAMESPACE - -#define _STLP_CREATE_HASH_ITERATOR_TRAITS(Motif, Traits) \ -_STLP_MOVE_TO_PRIV_NAMESPACE \ -_STLP_CREATE_ITERATOR_TRAITS_BASE(NonLocal##Motif, Traits) \ -_STLP_CREATE_ITERATOR_TRAITS_BASE(Local##Motif, Traits) \ -template <class _Tp> \ -struct _##Motif { \ - typedef _ConstNonLocal##Motif<_Tp> _ConstTraits; \ - typedef _NonLocal##Motif<_Tp> _NonConstTraits; \ - typedef _ConstLocal##Motif<_Tp> _ConstLocalTraits; \ - typedef _Local##Motif<_Tp> _NonConstLocalTraits; \ -}; \ -_STLP_MOVE_TO_STD_NAMESPACE - -/* -# if defined (_STLP_BASE_TYPEDEF_BUG) -// this workaround is needed for SunPro 4.0.1 -template <class _Traits> -struct __cnst_traits_aux : private _Traits { - typedef typename _Traits::value_type value_type; -}; -# define __TRAITS_VALUE_TYPE(_Traits) __cnst_traits_aux<_Traits>::value_type -# else -# define __TRAITS_VALUE_TYPE(_Traits) _Traits::value_type -# endif -*/ - -_STLP_MOVE_TO_PRIV_NAMESPACE - -template <class _InputIter, class _Distance> -_STLP_INLINE_LOOP void _STLP_CALL -__advance(_InputIter& __i, _Distance __n, const input_iterator_tag &) -{ while (__n--) ++__i; } - -// fbp : added output iterator tag variant -template <class _InputIter, class _Distance> -_STLP_INLINE_LOOP void _STLP_CALL -__advance(_InputIter& __i, _Distance __n, const output_iterator_tag &) -{ while (__n--) ++__i; } - -#if defined (_STLP_NONTEMPL_BASE_MATCH_BUG) -template <class _ForwardIterator, class _Distance> -_STLP_INLINE_LOOP void _STLP_CALL -__advance(_ForwardIterator& i, _Distance n, const forward_iterator_tag &) -{ while (n--) ++i; } -#endif - -template <class _BidirectionalIterator, class _Distance> -_STLP_INLINE_LOOP void _STLP_CALL -__advance(_BidirectionalIterator& __i, _Distance __n, - const bidirectional_iterator_tag &) { - if (__n > 0) - while (__n--) ++__i; - else - while (__n++) --__i; -} - -template <class _RandomAccessIterator, class _Distance> -inline void _STLP_CALL -__advance(_RandomAccessIterator& __i, _Distance __n, - const random_access_iterator_tag &) -{ __i += __n; } - -_STLP_MOVE_TO_STD_NAMESPACE - -template <class _InputIterator, class _Distance> -inline void _STLP_CALL advance(_InputIterator& __i, _Distance __n) -{ _STLP_PRIV __advance(__i, __n, _STLP_ITERATOR_CATEGORY(__i, _InputIterator)); } - -_STLP_END_NAMESPACE - -#endif /* _STLP_INTERNAL_ITERATOR_BASE_H */ - - -// Local Variables: -// mode:C++ -// End: |