mirror of
https://github.com/reactos/reactos.git
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824 lines
32 KiB
C
824 lines
32 KiB
C
/*
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*
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*
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* Copyright (c) 1994
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* Hewlett-Packard Company
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*
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* Copyright (c) 1996,1997
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* Silicon Graphics Computer Systems, Inc.
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*
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* Copyright (c) 1997
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* Moscow Center for SPARC Technology
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*
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* Copyright (c) 1999
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* Boris Fomitchev
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*
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* This material is provided "as is", with absolutely no warranty expressed
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* or implied. Any use is at your own risk.
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*
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* Permission to use or copy this software for any purpose is hereby granted
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* without fee, provided the above notices are retained on all copies.
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* Permission to modify the code and to distribute modified code is granted,
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* provided the above notices are retained, and a notice that the code was
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* modified is included with the above copyright notice.
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*
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*/
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#ifndef _STLP_DEQUE_C
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#define _STLP_DEQUE_C
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#ifndef _STLP_INTERNAL_DEQUE_H
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# include <stl/_deque.h>
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#endif
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_STLP_BEGIN_NAMESPACE
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_STLP_MOVE_TO_PRIV_NAMESPACE
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// Non-inline member functions from _Deque_base.
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template <class _Tp, class _Alloc >
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_Deque_base<_Tp,_Alloc >::~_Deque_base() {
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if (_M_map._M_data) {
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_M_destroy_nodes(_M_start._M_node, this->_M_finish._M_node + 1);
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_M_map.deallocate(_M_map._M_data, _M_map_size._M_data);
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}
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}
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template <class _Tp, class _Alloc >
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void _Deque_base<_Tp,_Alloc>::_M_initialize_map(size_t __num_elements) {
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size_t __num_nodes = __num_elements / this->buffer_size() + 1 ;
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_M_map_size._M_data = (max)((size_t) _S_initial_map_size, __num_nodes + 2);
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_M_map._M_data = _M_map.allocate(_M_map_size._M_data);
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_Tp** __nstart = _M_map._M_data + (_M_map_size._M_data - __num_nodes) / 2;
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_Tp** __nfinish = __nstart + __num_nodes;
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_STLP_TRY {
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_M_create_nodes(__nstart, __nfinish);
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}
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_STLP_UNWIND((_M_map.deallocate(_M_map._M_data, _M_map_size._M_data),
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_M_map._M_data = 0, _M_map_size._M_data = 0))
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_M_start._M_set_node(__nstart);
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this->_M_finish._M_set_node(__nfinish - 1);
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_M_start._M_cur = _M_start._M_first;
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this->_M_finish._M_cur = this->_M_finish._M_first + __num_elements % this->buffer_size();
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}
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template <class _Tp, class _Alloc >
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void _Deque_base<_Tp,_Alloc>::_M_create_nodes(_Tp** __nstart,
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_Tp** __nfinish) {
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_Tp** __cur = __nstart;
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_STLP_TRY {
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for (; __cur < __nfinish; ++__cur)
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*__cur = _M_map_size.allocate(this->buffer_size());
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}
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_STLP_UNWIND(_M_destroy_nodes(__nstart, __cur))
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}
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template <class _Tp, class _Alloc >
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void _Deque_base<_Tp,_Alloc>::_M_destroy_nodes(_Tp** __nstart,
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_Tp** __nfinish) {
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for (_Tp** __n = __nstart; __n < __nfinish; ++__n)
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_M_map_size.deallocate(*__n, this->buffer_size());
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}
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#if defined (_STLP_USE_PTR_SPECIALIZATIONS)
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# define deque _STLP_PTR_IMPL_NAME(deque)
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#elif defined (_STLP_DEBUG)
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# define deque _STLP_NON_DBG_NAME(deque)
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#else
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_STLP_MOVE_TO_STD_NAMESPACE
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#endif
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#if defined (_STLP_NESTED_TYPE_PARAM_BUG)
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// qualified references
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# define __iterator__ _Deque_iterator<_Tp, _Nonconst_traits<_Tp> >
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# define const_iterator _Deque_iterator<_Tp, _Const_traits<_Tp> >
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# define iterator __iterator__
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# define size_type size_t
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# define value_type _Tp
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#else
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# define __iterator__ _STLP_TYPENAME_ON_RETURN_TYPE deque<_Tp, _Alloc>::iterator
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#endif
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template <class _Tp, class _Alloc >
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deque<_Tp, _Alloc >&
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deque<_Tp, _Alloc >::operator= (const deque<_Tp, _Alloc >& __x) {
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const size_type __len = size();
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if (&__x != this) {
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if (__len >= __x.size())
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erase(_STLP_STD::copy(__x.begin(), __x.end(), this->_M_start), this->_M_finish);
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else {
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const_iterator __mid = __x.begin() + difference_type(__len);
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_STLP_STD::copy(__x.begin(), __mid, this->_M_start);
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insert(this->_M_finish, __mid, __x.end());
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}
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}
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return *this;
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}
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template <class _Tp, class _Alloc >
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void deque<_Tp, _Alloc >::_M_fill_insert(iterator __pos,
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size_type __n, const value_type& __x) {
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#if !defined (_STLP_NO_MOVE_SEMANTIC)
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typedef typename __move_traits<_Tp>::implemented _Movable;
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#endif
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if (__pos._M_cur == this->_M_start._M_cur) {
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iterator __new_start = _M_reserve_elements_at_front(__n);
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_STLP_TRY {
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uninitialized_fill(__new_start, this->_M_start, __x);
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}
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_STLP_UNWIND(this->_M_destroy_nodes(__new_start._M_node, this->_M_start._M_node))
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this->_M_start = __new_start;
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}
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else if (__pos._M_cur == this->_M_finish._M_cur) {
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iterator __new_finish = _M_reserve_elements_at_back(__n);
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_STLP_TRY {
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uninitialized_fill(this->_M_finish, __new_finish, __x);
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}
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_STLP_UNWIND(this->_M_destroy_nodes(this->_M_finish._M_node+1, __new_finish._M_node+1))
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this->_M_finish = __new_finish;
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}
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else
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_M_fill_insert_aux(__pos, __n, __x, _Movable());
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}
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#if !defined (_STLP_MEMBER_TEMPLATES)
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template <class _Tp, class _Alloc >
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void deque<_Tp, _Alloc>::insert(iterator __pos,
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const value_type* __first, const value_type* __last) {
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#if !defined (_STLP_NO_MOVE_SEMANTIC)
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typedef typename __move_traits<_Tp>::implemented _Movable;
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#endif
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size_type __n = __last - __first;
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if (__pos._M_cur == this->_M_start._M_cur) {
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iterator __new_start = _M_reserve_elements_at_front(__n);
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_STLP_TRY {
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_STLP_PRIV __ucopy(__first, __last, __new_start);
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}
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_STLP_UNWIND(this->_M_destroy_nodes(__new_start._M_node, this->_M_start._M_node))
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this->_M_start = __new_start;
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}
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else if (__pos._M_cur == this->_M_finish._M_cur) {
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iterator __new_finish = _M_reserve_elements_at_back(__n);
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_STLP_TRY {
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_STLP_PRIV __ucopy(__first, __last, this->_M_finish);
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}
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_STLP_UNWIND(this->_M_destroy_nodes(this->_M_finish._M_node + 1,
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__new_finish._M_node + 1))
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this->_M_finish = __new_finish;
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}
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else
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_M_insert_range_aux(__pos, __first, __last, __n, _Movable());
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}
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template <class _Tp, class _Alloc >
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void deque<_Tp,_Alloc>::insert(iterator __pos,
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const_iterator __first, const_iterator __last) {
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#if !defined (_STLP_NO_MOVE_SEMANTIC)
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typedef typename __move_traits<_Tp>::implemented _Movable;
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#endif
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size_type __n = __last - __first;
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if (__pos._M_cur == this->_M_start._M_cur) {
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iterator __new_start = _M_reserve_elements_at_front(__n);
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_STLP_TRY {
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_STLP_PRIV __ucopy(__first, __last, __new_start);
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}
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_STLP_UNWIND(this->_M_destroy_nodes(__new_start._M_node, this->_M_start._M_node))
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this->_M_start = __new_start;
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}
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else if (__pos._M_cur == this->_M_finish._M_cur) {
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iterator __new_finish = _M_reserve_elements_at_back(__n);
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_STLP_TRY {
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_STLP_PRIV __ucopy(__first, __last, this->_M_finish);
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}
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_STLP_UNWIND(this->_M_destroy_nodes(this->_M_finish._M_node + 1,
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__new_finish._M_node + 1))
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this->_M_finish = __new_finish;
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}
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else
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_M_insert_range_aux(__pos, __first, __last, __n, _Movable());
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}
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#endif /* _STLP_MEMBER_TEMPLATES */
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template <class _Tp, class _Alloc >
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__iterator__ deque<_Tp,_Alloc>::_M_erase(iterator __pos,
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const __true_type& /*_Movable*/) {
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difference_type __index = __pos - this->_M_start;
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if (size_type(__index) < this->size() >> 1) {
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//We move the start of the deque one position to the right
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//starting from the rightmost element to move.
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iterator __src = __pos, __dst = __pos;
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_STLP_STD::_Destroy(&(*__dst));
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if (__src != this->_M_start) {
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for (--__src; __dst != this->_M_start; --__src, --__dst) {
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_STLP_STD::_Move_Construct(&(*__dst), *__src);
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_STLP_STD::_Destroy_Moved(&(*__src));
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}
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}
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_M_pop_front_aux();
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}
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else {
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iterator __src = __pos, __dst = __pos;
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_STLP_STD::_Destroy(&(*__dst));
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for (++__src; __src != this->_M_finish; ++__src, ++__dst) {
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_STLP_STD::_Move_Construct(&(*__dst), *__src);
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_STLP_STD::_Destroy_Moved(&(*__src));
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}
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//Duplication of the pop_back code without the destroy which has already been done:
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if (this->_M_finish._M_cur != this->_M_finish._M_first) {
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--this->_M_finish._M_cur;
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}
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else {
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_M_pop_back_aux();
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}
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}
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return this->_M_start + __index;
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}
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template <class _Tp, class _Alloc >
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__iterator__ deque<_Tp,_Alloc>::_M_erase(iterator __pos,
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const __false_type& /*_Movable*/) {
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iterator __next = __pos;
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++__next;
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difference_type __index = __pos - this->_M_start;
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if (size_type(__index) < this->size() >> 1) {
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copy_backward(this->_M_start, __pos, __next);
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pop_front();
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}
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else {
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_STLP_STD::copy(__next, this->_M_finish, __pos);
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pop_back();
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}
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return this->_M_start + __index;
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}
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template <class _Tp, class _Alloc >
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__iterator__ deque<_Tp,_Alloc>::_M_erase(iterator __first, iterator __last,
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const __true_type& /*_Movable*/) {
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difference_type __n = __last - __first;
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difference_type __elems_before = __first - this->_M_start;
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if (__elems_before <= difference_type(this->size() - __n) / 2) {
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iterator __src = __first, __dst = __last;
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if (__src != this->_M_start) {
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for (--__src, --__dst; (__src >= this->_M_start) && (__dst >= __first); --__src, --__dst) {
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_STLP_STD::_Destroy(&(*__dst));
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_STLP_STD::_Move_Construct(&(*__dst), *__src);
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}
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if (__dst >= __first) {
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//There are more elements to erase than elements to move
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_STLP_STD::_Destroy_Range(__first, ++__dst);
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_STLP_STD::_Destroy_Moved_Range(this->_M_start, __first);
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}
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else {
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//There are more elements to move than elements to erase
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for (; __src >= this->_M_start; --__src, --__dst) {
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_STLP_STD::_Destroy_Moved(&(*__dst));
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_STLP_STD::_Move_Construct(&(*__dst), *__src);
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}
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_STLP_STD::_Destroy_Moved_Range(this->_M_start, ++__dst);
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}
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}
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else {
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_STLP_STD::_Destroy_Range(this->_M_start, __last);
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}
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iterator __new_start = this->_M_start + __n;
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this->_M_destroy_nodes(this->_M_start._M_node, __new_start._M_node);
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this->_M_start = __new_start;
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}
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else {
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if (__last != this->_M_finish) {
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iterator __src = __last, __dst = __first;
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for (; (__src != this->_M_finish) && (__dst != __last); ++__src, ++__dst) {
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_STLP_STD::_Destroy(&(*__dst));
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_STLP_STD::_Move_Construct(&(*__dst), *__src);
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}
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if (__dst != __last) {
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//There are more elements to erase than elements to move
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_STLP_STD::_Destroy_Range(__dst, __last);
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_STLP_STD::_Destroy_Moved_Range(__last, this->_M_finish);
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}
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else {
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//There are more elements to move than elements to erase
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for (; __src != this->_M_finish; ++__src, ++__dst) {
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_STLP_STD::_Destroy_Moved(&(*__dst));
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_STLP_STD::_Move_Construct(&(*__dst), *__src);
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}
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_STLP_STD::_Destroy_Moved_Range(__dst, this->_M_finish);
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}
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}
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else {
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_STLP_STD::_Destroy_Range(__first, this->_M_finish);
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}
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iterator __new_finish = this->_M_finish - __n;
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this->_M_destroy_nodes(__new_finish._M_node + 1, this->_M_finish._M_node + 1);
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this->_M_finish = __new_finish;
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}
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return this->_M_start + __elems_before;
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}
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template <class _Tp, class _Alloc >
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__iterator__ deque<_Tp,_Alloc>::_M_erase(iterator __first, iterator __last,
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const __false_type& /*_Movable*/) {
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difference_type __n = __last - __first;
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difference_type __elems_before = __first - this->_M_start;
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if (__elems_before <= difference_type(this->size() - __n) / 2) {
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copy_backward(this->_M_start, __first, __last);
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iterator __new_start = this->_M_start + __n;
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_STLP_STD::_Destroy_Range(this->_M_start, __new_start);
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this->_M_destroy_nodes(this->_M_start._M_node, __new_start._M_node);
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this->_M_start = __new_start;
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}
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else {
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_STLP_STD::copy(__last, this->_M_finish, __first);
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iterator __new_finish = this->_M_finish - __n;
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_STLP_STD::_Destroy_Range(__new_finish, this->_M_finish);
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this->_M_destroy_nodes(__new_finish._M_node + 1, this->_M_finish._M_node + 1);
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this->_M_finish = __new_finish;
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}
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return this->_M_start + __elems_before;
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}
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template <class _Tp, class _Alloc >
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void deque<_Tp,_Alloc>::clear() {
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for (_Map_pointer __node = this->_M_start._M_node + 1;
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__node < this->_M_finish._M_node;
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++__node) {
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_STLP_STD::_Destroy_Range(*__node, *__node + this->buffer_size());
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this->_M_map_size.deallocate(*__node, this->buffer_size());
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}
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if (this->_M_start._M_node != this->_M_finish._M_node) {
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_STLP_STD::_Destroy_Range(this->_M_start._M_cur, this->_M_start._M_last);
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_STLP_STD::_Destroy_Range(this->_M_finish._M_first, this->_M_finish._M_cur);
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this->_M_map_size.deallocate(this->_M_finish._M_first, this->buffer_size());
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}
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else
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_STLP_STD::_Destroy_Range(this->_M_start._M_cur, this->_M_finish._M_cur);
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this->_M_finish = this->_M_start;
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}
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// Precondition: this->_M_start and this->_M_finish have already been initialized,
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// but none of the deque's elements have yet been constructed.
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template <class _Tp, class _Alloc >
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void deque<_Tp,_Alloc>::_M_fill_initialize(const value_type& __val,
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const __false_type& /*_TrivialInit*/) {
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_Map_pointer __cur = this->_M_start._M_node;
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_STLP_TRY {
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for (; __cur < this->_M_finish._M_node; ++__cur)
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uninitialized_fill(*__cur, *__cur + this->buffer_size(), __val);
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uninitialized_fill(this->_M_finish._M_first, this->_M_finish._M_cur, __val);
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}
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_STLP_UNWIND(_STLP_STD::_Destroy_Range(this->_M_start, iterator(*__cur, __cur)))
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}
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// Called only if this->_M_finish._M_cur == this->_M_finish._M_last - 1.
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template <class _Tp, class _Alloc >
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void deque<_Tp,_Alloc>::_M_push_back_aux_v(const value_type& __t) {
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_M_reserve_map_at_back();
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*(this->_M_finish._M_node + 1) = this->_M_map_size.allocate(this->buffer_size());
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_STLP_TRY {
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_Copy_Construct(this->_M_finish._M_cur, __t);
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this->_M_finish._M_set_node(this->_M_finish._M_node + 1);
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this->_M_finish._M_cur = this->_M_finish._M_first;
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}
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_STLP_UNWIND(this->_M_map_size.deallocate(*(this->_M_finish._M_node + 1),
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this->buffer_size()))
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}
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#if defined(_STLP_DONT_SUP_DFLT_PARAM) && !defined(_STLP_NO_ANACHRONISMS)
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// Called only if this->_M_finish._M_cur == this->_M_finish._M_last - 1.
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template <class _Tp, class _Alloc >
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void deque<_Tp,_Alloc>::_M_push_back_aux() {
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_M_reserve_map_at_back();
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*(this->_M_finish._M_node + 1) = this->_M_map_size.allocate(this->buffer_size());
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_STLP_TRY {
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_STLP_STD::_Construct(this->_M_finish._M_cur);
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this->_M_finish._M_set_node(this->_M_finish._M_node + 1);
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this->_M_finish._M_cur = this->_M_finish._M_first;
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}
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_STLP_UNWIND(this->_M_map_size.deallocate(*(this->_M_finish._M_node + 1),
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this->buffer_size()))
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}
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#endif /*_STLP_DONT_SUP_DFLT_PARAM && !_STLP_NO_ANACHRONISMS*/
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// Called only if this->_M_start._M_cur == this->_M_start._M_first.
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template <class _Tp, class _Alloc >
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void deque<_Tp,_Alloc>::_M_push_front_aux_v(const value_type& __t) {
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_M_reserve_map_at_front();
|
|
*(this->_M_start._M_node - 1) = this->_M_map_size.allocate(this->buffer_size());
|
|
_STLP_TRY {
|
|
this->_M_start._M_set_node(this->_M_start._M_node - 1);
|
|
this->_M_start._M_cur = this->_M_start._M_last - 1;
|
|
_Copy_Construct(this->_M_start._M_cur, __t);
|
|
}
|
|
_STLP_UNWIND((++this->_M_start,
|
|
this->_M_map_size.deallocate(*(this->_M_start._M_node - 1), this->buffer_size())))
|
|
}
|
|
|
|
|
|
#if defined (_STLP_DONT_SUP_DFLT_PARAM) && !defined (_STLP_NO_ANACHRONISMS)
|
|
// Called only if this->_M_start._M_cur == this->_M_start._M_first.
|
|
template <class _Tp, class _Alloc >
|
|
void deque<_Tp,_Alloc>::_M_push_front_aux() {
|
|
_M_reserve_map_at_front();
|
|
*(this->_M_start._M_node - 1) = this->_M_map_size.allocate(this->buffer_size());
|
|
_STLP_TRY {
|
|
this->_M_start._M_set_node(this->_M_start._M_node - 1);
|
|
this->_M_start._M_cur = this->_M_start._M_last - 1;
|
|
_STLP_STD::_Construct(this->_M_start._M_cur);
|
|
}
|
|
_STLP_UNWIND((++this->_M_start, this->_M_map_size.deallocate(*(this->_M_start._M_node - 1),
|
|
this->buffer_size())))
|
|
}
|
|
#endif /*_STLP_DONT_SUP_DFLT_PARAM && !_STLP_NO_ANACHRONISMS*/
|
|
|
|
// Called only if this->_M_finish._M_cur == this->_M_finish._M_first.
|
|
template <class _Tp, class _Alloc >
|
|
void deque<_Tp,_Alloc>::_M_pop_back_aux() {
|
|
this->_M_map_size.deallocate(this->_M_finish._M_first, this->buffer_size());
|
|
this->_M_finish._M_set_node(this->_M_finish._M_node - 1);
|
|
this->_M_finish._M_cur = this->_M_finish._M_last - 1;
|
|
}
|
|
|
|
// Note that if the deque has at least one element (a precondition for this member
|
|
// function), and if this->_M_start._M_cur == this->_M_start._M_last, then the deque
|
|
// must have at least two nodes.
|
|
template <class _Tp, class _Alloc >
|
|
void deque<_Tp,_Alloc>::_M_pop_front_aux() {
|
|
if (this->_M_start._M_cur != this->_M_start._M_last - 1)
|
|
++this->_M_start._M_cur;
|
|
else {
|
|
this->_M_map_size.deallocate(this->_M_start._M_first, this->buffer_size());
|
|
this->_M_start._M_set_node(this->_M_start._M_node + 1);
|
|
this->_M_start._M_cur = this->_M_start._M_first;
|
|
}
|
|
}
|
|
|
|
template <class _Tp, class _Alloc >
|
|
__iterator__ deque<_Tp,_Alloc>::_M_fill_insert_aux(iterator __pos, size_type __n,
|
|
const value_type& __x,
|
|
const __true_type& /*_Movable*/) {
|
|
const difference_type __elems_before = __pos - this->_M_start;
|
|
size_type __length = this->size();
|
|
value_type __x_copy = __x;
|
|
if (__elems_before <= difference_type(__length / 2)) {
|
|
iterator __new_start = _M_reserve_elements_at_front(__n);
|
|
__pos = this->_M_start + __elems_before;
|
|
_STLP_TRY {
|
|
iterator __dst = __new_start;
|
|
iterator __src = this->_M_start;
|
|
for (; __src != __pos; ++__dst, ++__src) {
|
|
_STLP_STD::_Move_Construct(&(*__dst), *__src);
|
|
_STLP_STD::_Destroy_Moved(&(*__src));
|
|
}
|
|
this->_M_start = __new_start;
|
|
uninitialized_fill(__dst, __src, __x_copy);
|
|
__pos = __dst;
|
|
}
|
|
_STLP_UNWIND(this->_M_destroy_nodes(__new_start._M_node, this->_M_start._M_node))
|
|
}
|
|
else {
|
|
iterator __new_finish = _M_reserve_elements_at_back(__n);
|
|
const difference_type __elems_after = difference_type(__length) - __elems_before;
|
|
__pos = this->_M_finish - __elems_after;
|
|
_STLP_TRY {
|
|
iterator __dst = __new_finish;
|
|
iterator __src = this->_M_finish;
|
|
for (--__src, --__dst; __src >= __pos; --__src, --__dst) {
|
|
_STLP_STD::_Move_Construct(&(*__dst), *__src);
|
|
_STLP_STD::_Destroy_Moved(&(*__src));
|
|
}
|
|
this->_M_finish = __new_finish;
|
|
uninitialized_fill(__pos, __pos + __n, __x_copy);
|
|
}
|
|
_STLP_UNWIND(this->_M_destroy_nodes(this->_M_finish._M_node + 1, __new_finish._M_node + 1))
|
|
}
|
|
return __pos;
|
|
}
|
|
|
|
template <class _Tp, class _Alloc >
|
|
__iterator__ deque<_Tp,_Alloc>::_M_fill_insert_aux(iterator __pos, size_type __n,
|
|
const value_type& __x,
|
|
const __false_type& /*_Movable*/) {
|
|
const difference_type __elems_before = __pos - this->_M_start;
|
|
size_type __length = this->size();
|
|
value_type __x_copy = __x;
|
|
if (__elems_before <= difference_type(__length / 2)) {
|
|
iterator __new_start = _M_reserve_elements_at_front(__n);
|
|
iterator __old_start = this->_M_start;
|
|
__pos = this->_M_start + __elems_before;
|
|
_STLP_TRY {
|
|
if (__elems_before >= difference_type(__n)) {
|
|
iterator __start_n = this->_M_start + difference_type(__n);
|
|
_STLP_PRIV __ucopy(this->_M_start, __start_n, __new_start);
|
|
this->_M_start = __new_start;
|
|
_STLP_STD::copy(__start_n, __pos, __old_start);
|
|
_STLP_STD::fill(__pos - difference_type(__n), __pos, __x_copy);
|
|
__pos -= difference_type(__n);
|
|
}
|
|
else {
|
|
_STLP_PRIV __uninitialized_copy_fill(this->_M_start, __pos, __new_start,
|
|
this->_M_start, __x_copy);
|
|
this->_M_start = __new_start;
|
|
fill(__old_start, __pos, __x_copy);
|
|
}
|
|
}
|
|
_STLP_UNWIND(this->_M_destroy_nodes(__new_start._M_node, this->_M_start._M_node))
|
|
}
|
|
else {
|
|
iterator __new_finish = _M_reserve_elements_at_back(__n);
|
|
iterator __old_finish = this->_M_finish;
|
|
const difference_type __elems_after =
|
|
difference_type(__length) - __elems_before;
|
|
__pos = this->_M_finish - __elems_after;
|
|
_STLP_TRY {
|
|
if (__elems_after > difference_type(__n)) {
|
|
iterator __finish_n = this->_M_finish - difference_type(__n);
|
|
_STLP_PRIV __ucopy(__finish_n, this->_M_finish, this->_M_finish);
|
|
this->_M_finish = __new_finish;
|
|
copy_backward(__pos, __finish_n, __old_finish);
|
|
fill(__pos, __pos + difference_type(__n), __x_copy);
|
|
}
|
|
else {
|
|
_STLP_PRIV __uninitialized_fill_copy(this->_M_finish, __pos + difference_type(__n),
|
|
__x_copy, __pos, this->_M_finish);
|
|
this->_M_finish = __new_finish;
|
|
fill(__pos, __old_finish, __x_copy);
|
|
}
|
|
}
|
|
_STLP_UNWIND(this->_M_destroy_nodes(this->_M_finish._M_node + 1, __new_finish._M_node + 1))
|
|
}
|
|
return __pos;
|
|
}
|
|
|
|
#if !defined (_STLP_MEMBER_TEMPLATES)
|
|
template <class _Tp, class _Alloc >
|
|
void deque<_Tp,_Alloc>::_M_insert_range_aux(iterator __pos,
|
|
const value_type* __first, const value_type* __last,
|
|
size_type __n, const __true_type& /*_Movable*/) {
|
|
const difference_type __elems_before = __pos - this->_M_start;
|
|
size_type __length = size();
|
|
if (__elems_before <= difference_type(__length / 2)) {
|
|
iterator __new_start = _M_reserve_elements_at_front(__n);
|
|
__pos = this->_M_start + __elems_before;
|
|
_STLP_TRY {
|
|
iterator __dst = __new_start;
|
|
iterator __src = this->_M_start;
|
|
for (; __src != __pos; ++__dst, ++__src) {
|
|
_STLP_STD::_Move_Construct(&(*__dst), *__src);
|
|
_STLP_STD::_Destroy_Moved(&(*__src));
|
|
}
|
|
this->_M_start = __new_start;
|
|
_STLP_PRIV __ucopy(__first, __last, __dst);
|
|
}
|
|
_STLP_UNWIND(this->_M_destroy_nodes(__new_start._M_node, this->_M_start._M_node))
|
|
}
|
|
else {
|
|
iterator __new_finish = _M_reserve_elements_at_back(__n);
|
|
const difference_type __elems_after = difference_type(__length) - __elems_before;
|
|
__pos = this->_M_finish - __elems_after;
|
|
_STLP_TRY {
|
|
iterator __dst = __new_finish;
|
|
iterator __src = this->_M_finish;
|
|
for (--__src, --__dst; __src >= __pos; --__src, --__dst) {
|
|
_STLP_STD::_Move_Construct(&(*__dst), *__src);
|
|
_STLP_STD::_Destroy_Moved(&(*__src));
|
|
}
|
|
this->_M_finish = __new_finish;
|
|
_STLP_PRIV __ucopy(__first, __last, __pos);
|
|
}
|
|
_STLP_UNWIND(this->_M_destroy_nodes(this->_M_finish._M_node + 1, __new_finish._M_node + 1))
|
|
}
|
|
}
|
|
|
|
template <class _Tp, class _Alloc >
|
|
void deque<_Tp,_Alloc>::_M_insert_range_aux(iterator __pos,
|
|
const value_type* __first, const value_type* __last,
|
|
size_type __n, const __false_type& /*_Movable*/) {
|
|
const difference_type __elems_before = __pos - this->_M_start;
|
|
size_type __length = size();
|
|
if (__elems_before <= difference_type(__length / 2)) {
|
|
iterator __new_start = _M_reserve_elements_at_front(__n);
|
|
iterator __old_start = this->_M_start;
|
|
__pos = this->_M_start + __elems_before;
|
|
_STLP_TRY {
|
|
if (__elems_before >= difference_type(__n)) {
|
|
iterator __start_n = this->_M_start + difference_type(__n);
|
|
_STLP_PRIV __ucopy(this->_M_start, __start_n, __new_start);
|
|
this->_M_start = __new_start;
|
|
_STLP_STD::copy(__start_n, __pos, __old_start);
|
|
_STLP_STD::copy(__first, __last, __pos - difference_type(__n));
|
|
}
|
|
else {
|
|
const value_type* __mid = __first + (difference_type(__n) - __elems_before);
|
|
_STLP_PRIV __uninitialized_copy_copy(this->_M_start, __pos, __first, __mid, __new_start);
|
|
this->_M_start = __new_start;
|
|
_STLP_STD::copy(__mid, __last, __old_start);
|
|
}
|
|
}
|
|
_STLP_UNWIND(this->_M_destroy_nodes(__new_start._M_node, this->_M_start._M_node))
|
|
}
|
|
else {
|
|
iterator __new_finish = _M_reserve_elements_at_back(__n);
|
|
iterator __old_finish = this->_M_finish;
|
|
const difference_type __elems_after =
|
|
difference_type(__length) - __elems_before;
|
|
__pos = this->_M_finish - __elems_after;
|
|
_STLP_TRY {
|
|
|
|
if (__elems_after > difference_type(__n)) {
|
|
iterator __finish_n = this->_M_finish - difference_type(__n);
|
|
_STLP_PRIV __ucopy(__finish_n, this->_M_finish, this->_M_finish);
|
|
this->_M_finish = __new_finish;
|
|
_STLP_STD::copy_backward(__pos, __finish_n, __old_finish);
|
|
_STLP_STD::copy(__first, __last, __pos);
|
|
}
|
|
else {
|
|
const value_type* __mid = __first + __elems_after;
|
|
_STLP_PRIV __uninitialized_copy_copy(__mid, __last, __pos, this->_M_finish, this->_M_finish);
|
|
this->_M_finish = __new_finish;
|
|
_STLP_STD::copy(__first, __mid, __pos);
|
|
}
|
|
}
|
|
_STLP_UNWIND(this->_M_destroy_nodes(this->_M_finish._M_node + 1, __new_finish._M_node + 1))
|
|
}
|
|
}
|
|
|
|
template <class _Tp, class _Alloc >
|
|
void deque<_Tp,_Alloc>::_M_insert_range_aux(iterator __pos,
|
|
const_iterator __first, const_iterator __last,
|
|
size_type __n, const __true_type& /*_Movable*/) {
|
|
const difference_type __elems_before = __pos - this->_M_start;
|
|
size_type __length = size();
|
|
if (__elems_before <= difference_type(__length / 2)) {
|
|
iterator __new_start = _M_reserve_elements_at_front(__n);
|
|
__pos = this->_M_start + __elems_before;
|
|
_STLP_TRY {
|
|
iterator __dst = __new_start;
|
|
iterator __src = this->_M_start;
|
|
for (; __src != __pos; ++__dst, ++__src) {
|
|
_STLP_STD::_Move_Construct(&(*__dst), *__src);
|
|
_STLP_STD::_Destroy_Moved(&(*__src));
|
|
}
|
|
this->_M_start = __new_start;
|
|
_STLP_PRIV __ucopy(__first, __last, __dst);
|
|
}
|
|
_STLP_UNWIND(this->_M_destroy_nodes(__new_start._M_node, this->_M_start._M_node))
|
|
}
|
|
else {
|
|
iterator __new_finish = _M_reserve_elements_at_back(__n);
|
|
const difference_type __elems_after = difference_type(__length) - __elems_before;
|
|
__pos = this->_M_finish - __elems_after;
|
|
_STLP_TRY {
|
|
iterator __dst = __new_finish;
|
|
iterator __src = this->_M_finish;
|
|
for (--__src, --__dst; __src >= __pos; --__src, --__dst) {
|
|
_STLP_STD::_Move_Construct(&(*__dst), *__src);
|
|
_STLP_STD::_Destroy_Moved(&(*__src));
|
|
}
|
|
this->_M_finish = __new_finish;
|
|
_STLP_PRIV __ucopy(__first, __last, __pos);
|
|
}
|
|
_STLP_UNWIND(this->_M_destroy_nodes(this->_M_finish._M_node + 1, __new_finish._M_node + 1))
|
|
}
|
|
}
|
|
|
|
template <class _Tp, class _Alloc >
|
|
void deque<_Tp,_Alloc>::_M_insert_range_aux(iterator __pos,
|
|
const_iterator __first, const_iterator __last,
|
|
size_type __n, const __false_type& /*_Movable*/) {
|
|
const difference_type __elems_before = __pos - this->_M_start;
|
|
size_type __length = size();
|
|
if (__elems_before < difference_type(__length / 2)) {
|
|
iterator __new_start = _M_reserve_elements_at_front(__n);
|
|
iterator __old_start = this->_M_start;
|
|
__pos = this->_M_start + __elems_before;
|
|
_STLP_TRY {
|
|
if (__elems_before >= difference_type(__n)) {
|
|
iterator __start_n = this->_M_start + __n;
|
|
_STLP_PRIV __ucopy(this->_M_start, __start_n, __new_start);
|
|
this->_M_start = __new_start;
|
|
_STLP_STD::copy(__start_n, __pos, __old_start);
|
|
_STLP_STD::copy(__first, __last, __pos - difference_type(__n));
|
|
}
|
|
else {
|
|
const_iterator __mid = __first + (__n - __elems_before);
|
|
_STLP_PRIV __uninitialized_copy_copy(this->_M_start, __pos, __first, __mid, __new_start);
|
|
this->_M_start = __new_start;
|
|
_STLP_STD::copy(__mid, __last, __old_start);
|
|
}
|
|
}
|
|
_STLP_UNWIND(this->_M_destroy_nodes(__new_start._M_node, this->_M_start._M_node))
|
|
}
|
|
else {
|
|
iterator __new_finish = _M_reserve_elements_at_back(__n);
|
|
iterator __old_finish = this->_M_finish;
|
|
const difference_type __elems_after = __length - __elems_before;
|
|
__pos = this->_M_finish - __elems_after;
|
|
_STLP_TRY {
|
|
if (__elems_after > difference_type(__n)) {
|
|
iterator __finish_n = this->_M_finish - difference_type(__n);
|
|
_STLP_PRIV __ucopy(__finish_n, this->_M_finish, this->_M_finish);
|
|
this->_M_finish = __new_finish;
|
|
_STLP_STD::copy_backward(__pos, __finish_n, __old_finish);
|
|
_STLP_STD::copy(__first, __last, __pos);
|
|
}
|
|
else {
|
|
const_iterator __mid = __first + __elems_after;
|
|
_STLP_PRIV __uninitialized_copy_copy(__mid, __last, __pos, this->_M_finish, this->_M_finish);
|
|
this->_M_finish = __new_finish;
|
|
_STLP_STD::copy(__first, __mid, __pos);
|
|
}
|
|
}
|
|
_STLP_UNWIND(this->_M_destroy_nodes(this->_M_finish._M_node + 1, __new_finish._M_node + 1))
|
|
}
|
|
}
|
|
#endif /* _STLP_MEMBER_TEMPLATES */
|
|
|
|
template <class _Tp, class _Alloc >
|
|
void deque<_Tp,_Alloc>::_M_new_elements_at_front(size_type __new_elems) {
|
|
size_type __new_nodes
|
|
= (__new_elems + this->buffer_size() - 1) / this->buffer_size();
|
|
_M_reserve_map_at_front(__new_nodes);
|
|
size_type __i = 1;
|
|
_STLP_TRY {
|
|
for (; __i <= __new_nodes; ++__i)
|
|
*(this->_M_start._M_node - __i) = this->_M_map_size.allocate(this->buffer_size());
|
|
}
|
|
_STLP_UNWIND(for (size_type __j = 1; __j < __i; ++__j)
|
|
this->_M_map_size.deallocate(*(this->_M_start._M_node - __j), this->buffer_size()))
|
|
}
|
|
|
|
template <class _Tp, class _Alloc >
|
|
void deque<_Tp,_Alloc>::_M_new_elements_at_back(size_type __new_elems) {
|
|
size_type __new_nodes
|
|
= (__new_elems + this->buffer_size() - 1) / this->buffer_size();
|
|
_M_reserve_map_at_back(__new_nodes);
|
|
size_type __i = 1;
|
|
_STLP_TRY {
|
|
for (; __i <= __new_nodes; ++__i)
|
|
*(this->_M_finish._M_node + __i) = this->_M_map_size.allocate(this->buffer_size());
|
|
}
|
|
_STLP_UNWIND(for (size_type __j = 1; __j < __i; ++__j)
|
|
this->_M_map_size.deallocate(*(this->_M_finish._M_node + __j), this->buffer_size()))
|
|
}
|
|
|
|
template <class _Tp, class _Alloc >
|
|
void deque<_Tp,_Alloc>::_M_reallocate_map(size_type __nodes_to_add,
|
|
bool __add_at_front) {
|
|
size_type __old_num_nodes = this->_M_finish._M_node - this->_M_start._M_node + 1;
|
|
size_type __new_num_nodes = __old_num_nodes + __nodes_to_add;
|
|
|
|
_Map_pointer __new_nstart;
|
|
if (this->_M_map_size._M_data > 2 * __new_num_nodes) {
|
|
__new_nstart = this->_M_map._M_data + (this->_M_map_size._M_data - __new_num_nodes) / 2
|
|
+ (__add_at_front ? __nodes_to_add : 0);
|
|
if (__new_nstart < this->_M_start._M_node)
|
|
_STLP_STD::copy(this->_M_start._M_node, this->_M_finish._M_node + 1, __new_nstart);
|
|
else
|
|
_STLP_STD::copy_backward(this->_M_start._M_node, this->_M_finish._M_node + 1,
|
|
__new_nstart + __old_num_nodes);
|
|
}
|
|
else {
|
|
size_type __new_map_size =
|
|
this->_M_map_size._M_data + (max)((size_t)this->_M_map_size._M_data, __nodes_to_add) + 2;
|
|
|
|
_Map_pointer __new_map = this->_M_map.allocate(__new_map_size);
|
|
__new_nstart = __new_map + (__new_map_size - __new_num_nodes) / 2
|
|
+ (__add_at_front ? __nodes_to_add : 0);
|
|
_STLP_STD::copy(this->_M_start._M_node, this->_M_finish._M_node + 1, __new_nstart);
|
|
this->_M_map.deallocate(this->_M_map._M_data, this->_M_map_size._M_data);
|
|
|
|
this->_M_map._M_data = __new_map;
|
|
this->_M_map_size._M_data = __new_map_size;
|
|
}
|
|
|
|
this->_M_start._M_set_node(__new_nstart);
|
|
this->_M_finish._M_set_node(__new_nstart + __old_num_nodes - 1);
|
|
}
|
|
|
|
#if defined (deque)
|
|
# undef deque
|
|
_STLP_MOVE_TO_STD_NAMESPACE
|
|
#endif
|
|
|
|
_STLP_END_NAMESPACE
|
|
|
|
#undef __iterator__
|
|
#undef iterator
|
|
#undef const_iterator
|
|
#undef size_type
|
|
#undef value_type
|
|
|
|
#endif /* _STLP_DEQUE_C */
|
|
|
|
// Local Variables:
|
|
// mode:C++
|
|
// End:
|