forked from KolibriOS/kolibrios
904 lines
27 KiB
Plaintext
904 lines
27 KiB
Plaintext
/*
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* Copyright (c) 1997
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* Silicon Graphics Computer Systems, Inc.
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*
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* Permission to use, copy, modify, distribute and sell this software
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* and its documentation for any purpose is hereby granted without fee,
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* provided that the above copyright notice appear in all copies and
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* that both that copyright notice and this permission notice appear
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* in supporting documentation. Silicon Graphics makes no
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* representations about the suitability of this software for any
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* purpose. It is provided "as is" without express or implied warranty.
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*
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*/
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/* NOTE: This is an internal header file, included by other STL headers.
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* You should not attempt to use it directly.
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*/
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#ifndef __SGI_STL_INTERNAL_SLIST_H
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#define __SGI_STL_INTERNAL_SLIST_H
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#include <bits/stl_algobase.h>
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#include <bits/stl_alloc.h>
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#include <bits/stl_construct.h>
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#include <bits/stl_uninitialized.h>
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#include <bits/concept_check.h>
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namespace std
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{
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struct _Slist_node_base
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{
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_Slist_node_base* _M_next;
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};
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inline _Slist_node_base*
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__slist_make_link(_Slist_node_base* __prev_node,
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_Slist_node_base* __new_node)
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{
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__new_node->_M_next = __prev_node->_M_next;
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__prev_node->_M_next = __new_node;
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return __new_node;
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}
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inline _Slist_node_base*
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__slist_previous(_Slist_node_base* __head,
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const _Slist_node_base* __node)
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{
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while (__head && __head->_M_next != __node)
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__head = __head->_M_next;
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return __head;
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}
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inline const _Slist_node_base*
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__slist_previous(const _Slist_node_base* __head,
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const _Slist_node_base* __node)
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{
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while (__head && __head->_M_next != __node)
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__head = __head->_M_next;
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return __head;
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}
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inline void __slist_splice_after(_Slist_node_base* __pos,
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_Slist_node_base* __before_first,
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_Slist_node_base* __before_last)
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{
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if (__pos != __before_first && __pos != __before_last) {
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_Slist_node_base* __first = __before_first->_M_next;
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_Slist_node_base* __after = __pos->_M_next;
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__before_first->_M_next = __before_last->_M_next;
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__pos->_M_next = __first;
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__before_last->_M_next = __after;
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}
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}
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inline void
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__slist_splice_after(_Slist_node_base* __pos, _Slist_node_base* __head)
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{
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_Slist_node_base* __before_last = __slist_previous(__head, 0);
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if (__before_last != __head) {
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_Slist_node_base* __after = __pos->_M_next;
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__pos->_M_next = __head->_M_next;
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__head->_M_next = 0;
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__before_last->_M_next = __after;
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}
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}
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inline _Slist_node_base* __slist_reverse(_Slist_node_base* __node)
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{
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_Slist_node_base* __result = __node;
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__node = __node->_M_next;
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__result->_M_next = 0;
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while(__node) {
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_Slist_node_base* __next = __node->_M_next;
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__node->_M_next = __result;
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__result = __node;
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__node = __next;
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}
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return __result;
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}
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inline size_t __slist_size(_Slist_node_base* __node)
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{
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size_t __result = 0;
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for ( ; __node != 0; __node = __node->_M_next)
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++__result;
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return __result;
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}
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template <class _Tp>
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struct _Slist_node : public _Slist_node_base
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{
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_Tp _M_data;
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};
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struct _Slist_iterator_base
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{
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typedef size_t size_type;
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typedef ptrdiff_t difference_type;
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typedef forward_iterator_tag iterator_category;
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_Slist_node_base* _M_node;
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_Slist_iterator_base(_Slist_node_base* __x) : _M_node(__x) {}
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void _M_incr() { _M_node = _M_node->_M_next; }
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bool operator==(const _Slist_iterator_base& __x) const {
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return _M_node == __x._M_node;
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}
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bool operator!=(const _Slist_iterator_base& __x) const {
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return _M_node != __x._M_node;
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}
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};
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template <class _Tp, class _Ref, class _Ptr>
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struct _Slist_iterator : public _Slist_iterator_base
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{
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typedef _Slist_iterator<_Tp, _Tp&, _Tp*> iterator;
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typedef _Slist_iterator<_Tp, const _Tp&, const _Tp*> const_iterator;
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typedef _Slist_iterator<_Tp, _Ref, _Ptr> _Self;
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typedef _Tp value_type;
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typedef _Ptr pointer;
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typedef _Ref reference;
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typedef _Slist_node<_Tp> _Node;
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_Slist_iterator(_Node* __x) : _Slist_iterator_base(__x) {}
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_Slist_iterator() : _Slist_iterator_base(0) {}
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_Slist_iterator(const iterator& __x) : _Slist_iterator_base(__x._M_node) {}
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reference operator*() const { return ((_Node*) _M_node)->_M_data; }
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pointer operator->() const { return &(operator*()); }
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_Self& operator++()
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{
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_M_incr();
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return *this;
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}
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_Self operator++(int)
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{
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_Self __tmp = *this;
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_M_incr();
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return __tmp;
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}
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};
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// Base class that encapsulates details of allocators. Three cases:
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// an ordinary standard-conforming allocator, a standard-conforming
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// allocator with no non-static data, and an SGI-style allocator.
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// This complexity is necessary only because we're worrying about backward
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// compatibility and because we want to avoid wasting storage on an
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// allocator instance if it isn't necessary.
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// Base for general standard-conforming allocators.
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template <class _Tp, class _Allocator, bool _IsStatic>
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class _Slist_alloc_base {
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public:
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typedef typename _Alloc_traits<_Tp,_Allocator>::allocator_type
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allocator_type;
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allocator_type get_allocator() const { return _M_node_allocator; }
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_Slist_alloc_base(const allocator_type& __a) : _M_node_allocator(__a) {}
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protected:
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_Slist_node<_Tp>* _M_get_node()
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{ return _M_node_allocator.allocate(1); }
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void _M_put_node(_Slist_node<_Tp>* __p)
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{ _M_node_allocator.deallocate(__p, 1); }
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protected:
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typename _Alloc_traits<_Slist_node<_Tp>,_Allocator>::allocator_type
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_M_node_allocator;
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_Slist_node_base _M_head;
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};
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// Specialization for instanceless allocators.
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template <class _Tp, class _Allocator>
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class _Slist_alloc_base<_Tp,_Allocator, true> {
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public:
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typedef typename _Alloc_traits<_Tp,_Allocator>::allocator_type
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allocator_type;
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allocator_type get_allocator() const { return allocator_type(); }
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_Slist_alloc_base(const allocator_type&) {}
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protected:
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typedef typename _Alloc_traits<_Slist_node<_Tp>, _Allocator>::_Alloc_type
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_Alloc_type;
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_Slist_node<_Tp>* _M_get_node() { return _Alloc_type::allocate(1); }
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void _M_put_node(_Slist_node<_Tp>* __p) { _Alloc_type::deallocate(__p, 1); }
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protected:
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_Slist_node_base _M_head;
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};
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template <class _Tp, class _Alloc>
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struct _Slist_base
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: public _Slist_alloc_base<_Tp, _Alloc,
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_Alloc_traits<_Tp, _Alloc>::_S_instanceless>
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{
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typedef _Slist_alloc_base<_Tp, _Alloc,
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_Alloc_traits<_Tp, _Alloc>::_S_instanceless>
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_Base;
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typedef typename _Base::allocator_type allocator_type;
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_Slist_base(const allocator_type& __a)
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: _Base(__a) { this->_M_head._M_next = 0; }
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~_Slist_base() { _M_erase_after(&this->_M_head, 0); }
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protected:
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_Slist_node_base* _M_erase_after(_Slist_node_base* __pos)
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{
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_Slist_node<_Tp>* __next = (_Slist_node<_Tp>*) (__pos->_M_next);
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_Slist_node_base* __next_next = __next->_M_next;
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__pos->_M_next = __next_next;
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destroy(&__next->_M_data);
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_M_put_node(__next);
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return __next_next;
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}
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_Slist_node_base* _M_erase_after(_Slist_node_base*, _Slist_node_base*);
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};
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template <class _Tp, class _Alloc>
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_Slist_node_base*
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_Slist_base<_Tp,_Alloc>::_M_erase_after(_Slist_node_base* __before_first,
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_Slist_node_base* __last_node) {
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_Slist_node<_Tp>* __cur = (_Slist_node<_Tp>*) (__before_first->_M_next);
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while (__cur != __last_node) {
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_Slist_node<_Tp>* __tmp = __cur;
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__cur = (_Slist_node<_Tp>*) __cur->_M_next;
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destroy(&__tmp->_M_data);
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_M_put_node(__tmp);
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}
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__before_first->_M_next = __last_node;
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return __last_node;
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}
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template <class _Tp, class _Alloc = allocator<_Tp> >
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class slist : private _Slist_base<_Tp,_Alloc>
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{
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// concept requirements
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__glibcpp_class_requires(_Tp, _SGIAssignableConcept);
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private:
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typedef _Slist_base<_Tp,_Alloc> _Base;
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public:
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typedef _Tp value_type;
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typedef value_type* pointer;
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typedef const value_type* const_pointer;
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typedef value_type& reference;
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typedef const value_type& const_reference;
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typedef size_t size_type;
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typedef ptrdiff_t difference_type;
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typedef _Slist_iterator<_Tp, _Tp&, _Tp*> iterator;
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typedef _Slist_iterator<_Tp, const _Tp&, const _Tp*> const_iterator;
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typedef typename _Base::allocator_type allocator_type;
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allocator_type get_allocator() const { return _Base::get_allocator(); }
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private:
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typedef _Slist_node<_Tp> _Node;
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typedef _Slist_node_base _Node_base;
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typedef _Slist_iterator_base _Iterator_base;
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_Node* _M_create_node(const value_type& __x) {
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_Node* __node = this->_M_get_node();
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__STL_TRY {
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construct(&__node->_M_data, __x);
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__node->_M_next = 0;
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}
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__STL_UNWIND(this->_M_put_node(__node));
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return __node;
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}
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_Node* _M_create_node() {
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_Node* __node = this->_M_get_node();
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__STL_TRY {
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construct(&__node->_M_data);
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__node->_M_next = 0;
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}
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__STL_UNWIND(this->_M_put_node(__node));
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return __node;
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}
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public:
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explicit slist(const allocator_type& __a = allocator_type()) : _Base(__a) {}
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slist(size_type __n, const value_type& __x,
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const allocator_type& __a = allocator_type()) : _Base(__a)
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{ _M_insert_after_fill(&this->_M_head, __n, __x); }
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explicit slist(size_type __n) : _Base(allocator_type())
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{ _M_insert_after_fill(&this->_M_head, __n, value_type()); }
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// We don't need any dispatching tricks here, because _M_insert_after_range
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// already does them.
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template <class _InputIterator>
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slist(_InputIterator __first, _InputIterator __last,
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const allocator_type& __a = allocator_type()) : _Base(__a)
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{ _M_insert_after_range(&this->_M_head, __first, __last); }
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slist(const slist& __x) : _Base(__x.get_allocator())
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{ _M_insert_after_range(&this->_M_head, __x.begin(), __x.end()); }
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slist& operator= (const slist& __x);
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~slist() {}
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public:
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// assign(), a generalized assignment member function. Two
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// versions: one that takes a count, and one that takes a range.
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// The range version is a member template, so we dispatch on whether
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// or not the type is an integer.
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void assign(size_type __n, const _Tp& __val)
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{ _M_fill_assign(__n, __val); }
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void _M_fill_assign(size_type __n, const _Tp& __val);
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template <class _InputIterator>
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void assign(_InputIterator __first, _InputIterator __last) {
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typedef typename _Is_integer<_InputIterator>::_Integral _Integral;
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_M_assign_dispatch(__first, __last, _Integral());
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}
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template <class _Integer>
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void _M_assign_dispatch(_Integer __n, _Integer __val, __true_type)
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{ _M_fill_assign((size_type) __n, (_Tp) __val); }
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template <class _InputIterator>
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void _M_assign_dispatch(_InputIterator __first, _InputIterator __last,
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__false_type);
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public:
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iterator begin() { return iterator((_Node*)this->_M_head._M_next); }
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const_iterator begin() const
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{ return const_iterator((_Node*)this->_M_head._M_next);}
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iterator end() { return iterator(0); }
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const_iterator end() const { return const_iterator(0); }
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// Experimental new feature: before_begin() returns a
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// non-dereferenceable iterator that, when incremented, yields
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// begin(). This iterator may be used as the argument to
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// insert_after, erase_after, etc. Note that even for an empty
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// slist, before_begin() is not the same iterator as end(). It
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// is always necessary to increment before_begin() at least once to
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// obtain end().
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iterator before_begin() { return iterator((_Node*) &this->_M_head); }
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const_iterator before_begin() const
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{ return const_iterator((_Node*) &this->_M_head); }
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size_type size() const { return __slist_size(this->_M_head._M_next); }
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size_type max_size() const { return size_type(-1); }
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bool empty() const { return this->_M_head._M_next == 0; }
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void swap(slist& __x)
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{ std::swap(this->_M_head._M_next, __x._M_head._M_next); }
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public:
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reference front() { return ((_Node*) this->_M_head._M_next)->_M_data; }
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const_reference front() const
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{ return ((_Node*) this->_M_head._M_next)->_M_data; }
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void push_front(const value_type& __x) {
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__slist_make_link(&this->_M_head, _M_create_node(__x));
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}
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void push_front() { __slist_make_link(&this->_M_head, _M_create_node()); }
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void pop_front() {
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_Node* __node = (_Node*) this->_M_head._M_next;
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this->_M_head._M_next = __node->_M_next;
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destroy(&__node->_M_data);
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this->_M_put_node(__node);
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}
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iterator previous(const_iterator __pos) {
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return iterator((_Node*) __slist_previous(&this->_M_head, __pos._M_node));
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}
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const_iterator previous(const_iterator __pos) const {
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return const_iterator((_Node*) __slist_previous(&this->_M_head,
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__pos._M_node));
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}
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private:
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_Node* _M_insert_after(_Node_base* __pos, const value_type& __x) {
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return (_Node*) (__slist_make_link(__pos, _M_create_node(__x)));
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}
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_Node* _M_insert_after(_Node_base* __pos) {
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return (_Node*) (__slist_make_link(__pos, _M_create_node()));
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}
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void _M_insert_after_fill(_Node_base* __pos,
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size_type __n, const value_type& __x) {
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for (size_type __i = 0; __i < __n; ++__i)
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__pos = __slist_make_link(__pos, _M_create_node(__x));
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}
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// Check whether it's an integral type. If so, it's not an iterator.
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template <class _InIter>
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void _M_insert_after_range(_Node_base* __pos,
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_InIter __first, _InIter __last) {
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typedef typename _Is_integer<_InIter>::_Integral _Integral;
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_M_insert_after_range(__pos, __first, __last, _Integral());
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}
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template <class _Integer>
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void _M_insert_after_range(_Node_base* __pos, _Integer __n, _Integer __x,
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__true_type) {
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_M_insert_after_fill(__pos, __n, __x);
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}
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template <class _InIter>
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void _M_insert_after_range(_Node_base* __pos,
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_InIter __first, _InIter __last,
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__false_type) {
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while (__first != __last) {
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__pos = __slist_make_link(__pos, _M_create_node(*__first));
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++__first;
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}
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}
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public:
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iterator insert_after(iterator __pos, const value_type& __x) {
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return iterator(_M_insert_after(__pos._M_node, __x));
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}
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iterator insert_after(iterator __pos) {
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return insert_after(__pos, value_type());
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}
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void insert_after(iterator __pos, size_type __n, const value_type& __x) {
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_M_insert_after_fill(__pos._M_node, __n, __x);
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}
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// We don't need any dispatching tricks here, because _M_insert_after_range
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// already does them.
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template <class _InIter>
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void insert_after(iterator __pos, _InIter __first, _InIter __last) {
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_M_insert_after_range(__pos._M_node, __first, __last);
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}
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iterator insert(iterator __pos, const value_type& __x) {
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return iterator(_M_insert_after(__slist_previous(&this->_M_head,
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__pos._M_node),
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__x));
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}
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iterator insert(iterator __pos) {
|
|
return iterator(_M_insert_after(__slist_previous(&this->_M_head,
|
|
__pos._M_node),
|
|
value_type()));
|
|
}
|
|
|
|
void insert(iterator __pos, size_type __n, const value_type& __x) {
|
|
_M_insert_after_fill(__slist_previous(&this->_M_head, __pos._M_node),
|
|
__n, __x);
|
|
}
|
|
|
|
// We don't need any dispatching tricks here, because _M_insert_after_range
|
|
// already does them.
|
|
template <class _InIter>
|
|
void insert(iterator __pos, _InIter __first, _InIter __last) {
|
|
_M_insert_after_range(__slist_previous(&this->_M_head, __pos._M_node),
|
|
__first, __last);
|
|
}
|
|
|
|
public:
|
|
iterator erase_after(iterator __pos) {
|
|
return iterator((_Node*) this->_M_erase_after(__pos._M_node));
|
|
}
|
|
iterator erase_after(iterator __before_first, iterator __last) {
|
|
return iterator((_Node*) this->_M_erase_after(__before_first._M_node,
|
|
__last._M_node));
|
|
}
|
|
|
|
iterator erase(iterator __pos) {
|
|
return (_Node*) this->_M_erase_after(__slist_previous(&this->_M_head,
|
|
__pos._M_node));
|
|
}
|
|
iterator erase(iterator __first, iterator __last) {
|
|
return (_Node*) this->_M_erase_after(
|
|
__slist_previous(&this->_M_head, __first._M_node), __last._M_node);
|
|
}
|
|
|
|
void resize(size_type new_size, const _Tp& __x);
|
|
void resize(size_type new_size) { resize(new_size, _Tp()); }
|
|
void clear() { this->_M_erase_after(&this->_M_head, 0); }
|
|
|
|
public:
|
|
// Moves the range [__before_first + 1, __before_last + 1) to *this,
|
|
// inserting it immediately after __pos. This is constant time.
|
|
void splice_after(iterator __pos,
|
|
iterator __before_first, iterator __before_last)
|
|
{
|
|
if (__before_first != __before_last)
|
|
__slist_splice_after(__pos._M_node, __before_first._M_node,
|
|
__before_last._M_node);
|
|
}
|
|
|
|
// Moves the element that follows __prev to *this, inserting it immediately
|
|
// after __pos. This is constant time.
|
|
void splice_after(iterator __pos, iterator __prev)
|
|
{
|
|
__slist_splice_after(__pos._M_node,
|
|
__prev._M_node, __prev._M_node->_M_next);
|
|
}
|
|
|
|
|
|
// Removes all of the elements from the list __x to *this, inserting
|
|
// them immediately after __pos. __x must not be *this. Complexity:
|
|
// linear in __x.size().
|
|
void splice_after(iterator __pos, slist& __x)
|
|
{
|
|
__slist_splice_after(__pos._M_node, &__x._M_head);
|
|
}
|
|
|
|
// Linear in distance(begin(), __pos), and linear in __x.size().
|
|
void splice(iterator __pos, slist& __x) {
|
|
if (__x._M_head._M_next)
|
|
__slist_splice_after(__slist_previous(&this->_M_head, __pos._M_node),
|
|
&__x._M_head, __slist_previous(&__x._M_head, 0));
|
|
}
|
|
|
|
// Linear in distance(begin(), __pos), and in distance(__x.begin(), __i).
|
|
void splice(iterator __pos, slist& __x, iterator __i) {
|
|
__slist_splice_after(__slist_previous(&this->_M_head, __pos._M_node),
|
|
__slist_previous(&__x._M_head, __i._M_node),
|
|
__i._M_node);
|
|
}
|
|
|
|
// Linear in distance(begin(), __pos), in distance(__x.begin(), __first),
|
|
// and in distance(__first, __last).
|
|
void splice(iterator __pos, slist& __x, iterator __first, iterator __last)
|
|
{
|
|
if (__first != __last)
|
|
__slist_splice_after(__slist_previous(&this->_M_head, __pos._M_node),
|
|
__slist_previous(&__x._M_head, __first._M_node),
|
|
__slist_previous(__first._M_node, __last._M_node));
|
|
}
|
|
|
|
public:
|
|
void reverse() {
|
|
if (this->_M_head._M_next)
|
|
this->_M_head._M_next = __slist_reverse(this->_M_head._M_next);
|
|
}
|
|
|
|
void remove(const _Tp& __val);
|
|
void unique();
|
|
void merge(slist& __x);
|
|
void sort();
|
|
|
|
template <class _Predicate>
|
|
void remove_if(_Predicate __pred);
|
|
|
|
template <class _BinaryPredicate>
|
|
void unique(_BinaryPredicate __pred);
|
|
|
|
template <class _StrictWeakOrdering>
|
|
void merge(slist&, _StrictWeakOrdering);
|
|
|
|
template <class _StrictWeakOrdering>
|
|
void sort(_StrictWeakOrdering __comp);
|
|
};
|
|
|
|
template <class _Tp, class _Alloc>
|
|
slist<_Tp,_Alloc>& slist<_Tp,_Alloc>::operator=(const slist<_Tp,_Alloc>& __x)
|
|
{
|
|
if (&__x != this) {
|
|
_Node_base* __p1 = &this->_M_head;
|
|
_Node* __n1 = (_Node*) this->_M_head._M_next;
|
|
const _Node* __n2 = (const _Node*) __x._M_head._M_next;
|
|
while (__n1 && __n2) {
|
|
__n1->_M_data = __n2->_M_data;
|
|
__p1 = __n1;
|
|
__n1 = (_Node*) __n1->_M_next;
|
|
__n2 = (const _Node*) __n2->_M_next;
|
|
}
|
|
if (__n2 == 0)
|
|
this->_M_erase_after(__p1, 0);
|
|
else
|
|
_M_insert_after_range(__p1, const_iterator((_Node*)__n2),
|
|
const_iterator(0));
|
|
}
|
|
return *this;
|
|
}
|
|
|
|
template <class _Tp, class _Alloc>
|
|
void slist<_Tp, _Alloc>::_M_fill_assign(size_type __n, const _Tp& __val) {
|
|
_Node_base* __prev = &this->_M_head;
|
|
_Node* __node = (_Node*) this->_M_head._M_next;
|
|
for ( ; __node != 0 && __n > 0 ; --__n) {
|
|
__node->_M_data = __val;
|
|
__prev = __node;
|
|
__node = (_Node*) __node->_M_next;
|
|
}
|
|
if (__n > 0)
|
|
_M_insert_after_fill(__prev, __n, __val);
|
|
else
|
|
this->_M_erase_after(__prev, 0);
|
|
}
|
|
|
|
template <class _Tp, class _Alloc> template <class _InputIter>
|
|
void
|
|
slist<_Tp, _Alloc>::_M_assign_dispatch(_InputIter __first, _InputIter __last,
|
|
__false_type)
|
|
{
|
|
_Node_base* __prev = &this->_M_head;
|
|
_Node* __node = (_Node*) this->_M_head._M_next;
|
|
while (__node != 0 && __first != __last) {
|
|
__node->_M_data = *__first;
|
|
__prev = __node;
|
|
__node = (_Node*) __node->_M_next;
|
|
++__first;
|
|
}
|
|
if (__first != __last)
|
|
_M_insert_after_range(__prev, __first, __last);
|
|
else
|
|
this->_M_erase_after(__prev, 0);
|
|
}
|
|
|
|
template <class _Tp, class _Alloc>
|
|
inline bool
|
|
operator==(const slist<_Tp,_Alloc>& _SL1, const slist<_Tp,_Alloc>& _SL2)
|
|
{
|
|
typedef typename slist<_Tp,_Alloc>::const_iterator const_iterator;
|
|
const_iterator __end1 = _SL1.end();
|
|
const_iterator __end2 = _SL2.end();
|
|
|
|
const_iterator __i1 = _SL1.begin();
|
|
const_iterator __i2 = _SL2.begin();
|
|
while (__i1 != __end1 && __i2 != __end2 && *__i1 == *__i2) {
|
|
++__i1;
|
|
++__i2;
|
|
}
|
|
return __i1 == __end1 && __i2 == __end2;
|
|
}
|
|
|
|
|
|
template <class _Tp, class _Alloc>
|
|
inline bool
|
|
operator<(const slist<_Tp,_Alloc>& _SL1, const slist<_Tp,_Alloc>& _SL2)
|
|
{
|
|
return lexicographical_compare(_SL1.begin(), _SL1.end(),
|
|
_SL2.begin(), _SL2.end());
|
|
}
|
|
|
|
template <class _Tp, class _Alloc>
|
|
inline bool
|
|
operator!=(const slist<_Tp,_Alloc>& _SL1, const slist<_Tp,_Alloc>& _SL2) {
|
|
return !(_SL1 == _SL2);
|
|
}
|
|
|
|
template <class _Tp, class _Alloc>
|
|
inline bool
|
|
operator>(const slist<_Tp,_Alloc>& _SL1, const slist<_Tp,_Alloc>& _SL2) {
|
|
return _SL2 < _SL1;
|
|
}
|
|
|
|
template <class _Tp, class _Alloc>
|
|
inline bool
|
|
operator<=(const slist<_Tp,_Alloc>& _SL1, const slist<_Tp,_Alloc>& _SL2) {
|
|
return !(_SL2 < _SL1);
|
|
}
|
|
|
|
template <class _Tp, class _Alloc>
|
|
inline bool
|
|
operator>=(const slist<_Tp,_Alloc>& _SL1, const slist<_Tp,_Alloc>& _SL2) {
|
|
return !(_SL1 < _SL2);
|
|
}
|
|
|
|
template <class _Tp, class _Alloc>
|
|
inline void swap(slist<_Tp,_Alloc>& __x, slist<_Tp,_Alloc>& __y) {
|
|
__x.swap(__y);
|
|
}
|
|
|
|
|
|
template <class _Tp, class _Alloc>
|
|
void slist<_Tp,_Alloc>::resize(size_type __len, const _Tp& __x)
|
|
{
|
|
_Node_base* __cur = &this->_M_head;
|
|
while (__cur->_M_next != 0 && __len > 0) {
|
|
--__len;
|
|
__cur = __cur->_M_next;
|
|
}
|
|
if (__cur->_M_next)
|
|
this->_M_erase_after(__cur, 0);
|
|
else
|
|
_M_insert_after_fill(__cur, __len, __x);
|
|
}
|
|
|
|
template <class _Tp, class _Alloc>
|
|
void slist<_Tp,_Alloc>::remove(const _Tp& __val)
|
|
{
|
|
_Node_base* __cur = &this->_M_head;
|
|
while (__cur && __cur->_M_next) {
|
|
if (((_Node*) __cur->_M_next)->_M_data == __val)
|
|
this->_M_erase_after(__cur);
|
|
else
|
|
__cur = __cur->_M_next;
|
|
}
|
|
}
|
|
|
|
template <class _Tp, class _Alloc>
|
|
void slist<_Tp,_Alloc>::unique()
|
|
{
|
|
_Node_base* __cur = this->_M_head._M_next;
|
|
if (__cur) {
|
|
while (__cur->_M_next) {
|
|
if (((_Node*)__cur)->_M_data ==
|
|
((_Node*)(__cur->_M_next))->_M_data)
|
|
this->_M_erase_after(__cur);
|
|
else
|
|
__cur = __cur->_M_next;
|
|
}
|
|
}
|
|
}
|
|
|
|
template <class _Tp, class _Alloc>
|
|
void slist<_Tp,_Alloc>::merge(slist<_Tp,_Alloc>& __x)
|
|
{
|
|
_Node_base* __n1 = &this->_M_head;
|
|
while (__n1->_M_next && __x._M_head._M_next) {
|
|
if (((_Node*) __x._M_head._M_next)->_M_data <
|
|
((_Node*) __n1->_M_next)->_M_data)
|
|
__slist_splice_after(__n1, &__x._M_head, __x._M_head._M_next);
|
|
__n1 = __n1->_M_next;
|
|
}
|
|
if (__x._M_head._M_next) {
|
|
__n1->_M_next = __x._M_head._M_next;
|
|
__x._M_head._M_next = 0;
|
|
}
|
|
}
|
|
|
|
template <class _Tp, class _Alloc>
|
|
void slist<_Tp,_Alloc>::sort()
|
|
{
|
|
if (this->_M_head._M_next && this->_M_head._M_next->_M_next) {
|
|
slist __carry;
|
|
slist __counter[64];
|
|
int __fill = 0;
|
|
while (!empty()) {
|
|
__slist_splice_after(&__carry._M_head,
|
|
&this->_M_head, this->_M_head._M_next);
|
|
int __i = 0;
|
|
while (__i < __fill && !__counter[__i].empty()) {
|
|
__counter[__i].merge(__carry);
|
|
__carry.swap(__counter[__i]);
|
|
++__i;
|
|
}
|
|
__carry.swap(__counter[__i]);
|
|
if (__i == __fill)
|
|
++__fill;
|
|
}
|
|
|
|
for (int __i = 1; __i < __fill; ++__i)
|
|
__counter[__i].merge(__counter[__i-1]);
|
|
this->swap(__counter[__fill-1]);
|
|
}
|
|
}
|
|
|
|
template <class _Tp, class _Alloc>
|
|
template <class _Predicate>
|
|
void slist<_Tp,_Alloc>::remove_if(_Predicate __pred)
|
|
{
|
|
_Node_base* __cur = &this->_M_head;
|
|
while (__cur->_M_next) {
|
|
if (__pred(((_Node*) __cur->_M_next)->_M_data))
|
|
this->_M_erase_after(__cur);
|
|
else
|
|
__cur = __cur->_M_next;
|
|
}
|
|
}
|
|
|
|
template <class _Tp, class _Alloc> template <class _BinaryPredicate>
|
|
void slist<_Tp,_Alloc>::unique(_BinaryPredicate __pred)
|
|
{
|
|
_Node* __cur = (_Node*) this->_M_head._M_next;
|
|
if (__cur) {
|
|
while (__cur->_M_next) {
|
|
if (__pred(((_Node*)__cur)->_M_data,
|
|
((_Node*)(__cur->_M_next))->_M_data))
|
|
this->_M_erase_after(__cur);
|
|
else
|
|
__cur = (_Node*) __cur->_M_next;
|
|
}
|
|
}
|
|
}
|
|
|
|
template <class _Tp, class _Alloc> template <class _StrictWeakOrdering>
|
|
void slist<_Tp,_Alloc>::merge(slist<_Tp,_Alloc>& __x,
|
|
_StrictWeakOrdering __comp)
|
|
{
|
|
_Node_base* __n1 = &this->_M_head;
|
|
while (__n1->_M_next && __x._M_head._M_next) {
|
|
if (__comp(((_Node*) __x._M_head._M_next)->_M_data,
|
|
((_Node*) __n1->_M_next)->_M_data))
|
|
__slist_splice_after(__n1, &__x._M_head, __x._M_head._M_next);
|
|
__n1 = __n1->_M_next;
|
|
}
|
|
if (__x._M_head._M_next) {
|
|
__n1->_M_next = __x._M_head._M_next;
|
|
__x._M_head._M_next = 0;
|
|
}
|
|
}
|
|
|
|
template <class _Tp, class _Alloc> template <class _StrictWeakOrdering>
|
|
void slist<_Tp,_Alloc>::sort(_StrictWeakOrdering __comp)
|
|
{
|
|
if (this->_M_head._M_next && this->_M_head._M_next->_M_next) {
|
|
slist __carry;
|
|
slist __counter[64];
|
|
int __fill = 0;
|
|
while (!empty()) {
|
|
__slist_splice_after(&__carry._M_head,
|
|
&this->_M_head, this->_M_head._M_next);
|
|
int __i = 0;
|
|
while (__i < __fill && !__counter[__i].empty()) {
|
|
__counter[__i].merge(__carry, __comp);
|
|
__carry.swap(__counter[__i]);
|
|
++__i;
|
|
}
|
|
__carry.swap(__counter[__i]);
|
|
if (__i == __fill)
|
|
++__fill;
|
|
}
|
|
|
|
for (int __i = 1; __i < __fill; ++__i)
|
|
__counter[__i].merge(__counter[__i-1], __comp);
|
|
this->swap(__counter[__fill-1]);
|
|
}
|
|
}
|
|
|
|
// Specialization of insert_iterator so that insertions will be constant
|
|
// time rather than linear time.
|
|
|
|
template <class _Tp, class _Alloc>
|
|
class insert_iterator<slist<_Tp, _Alloc> > {
|
|
protected:
|
|
typedef slist<_Tp, _Alloc> _Container;
|
|
_Container* container;
|
|
typename _Container::iterator iter;
|
|
public:
|
|
typedef _Container container_type;
|
|
typedef output_iterator_tag iterator_category;
|
|
typedef void value_type;
|
|
typedef void difference_type;
|
|
typedef void pointer;
|
|
typedef void reference;
|
|
|
|
insert_iterator(_Container& __x, typename _Container::iterator __i)
|
|
: container(&__x) {
|
|
if (__i == __x.begin())
|
|
iter = __x.before_begin();
|
|
else
|
|
iter = __x.previous(__i);
|
|
}
|
|
|
|
insert_iterator<_Container>&
|
|
operator=(const typename _Container::value_type& __value) {
|
|
iter = container->insert_after(iter, __value);
|
|
return *this;
|
|
}
|
|
insert_iterator<_Container>& operator*() { return *this; }
|
|
insert_iterator<_Container>& operator++() { return *this; }
|
|
insert_iterator<_Container>& operator++(int) { return *this; }
|
|
};
|
|
|
|
} // namespace std
|
|
|
|
#endif /* __SGI_STL_INTERNAL_SLIST_H */
|
|
|
|
// Local Variables:
|
|
// mode:C++
|
|
// End:
|