| /*************************************************************************** |
| * |
| * list.cc - Non-nline list definitions for the Standard Library |
| * |
| * $Id$ |
| * |
| *************************************************************************** |
| * |
| * Copyright (c) 1994 |
| * Hewlett-Packard Company |
| * |
| * Permission to use, copy, modify, distribute and sell this software |
| * and its documentation for any purpose is hereby granted without fee, |
| * provided that the above copyright notice appear in all copies and |
| * that both that copyright notice and this permission notice appear |
| * in supporting documentation. Hewlett-Packard Company makes no |
| * representations about the suitability of this software for any |
| * purpose. It is provided "as is" without express or implied warranty. |
| * |
| *************************************************************************** |
| * |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed |
| * with this work for additional information regarding copyright |
| * ownership. The ASF licenses this file to you under the Apache |
| * License, Version 2.0 (the "License"); you may not use this file |
| * except in compliance with the License. You may obtain a copy of |
| * the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or |
| * implied. See the License for the specific language governing |
| * permissions and limitations under the License. |
| * |
| * Copyright 1994-2006 Rogue Wave Software. |
| * |
| **************************************************************************/ |
| |
| |
| _RWSTD_NAMESPACE (std) { |
| |
| template <class _TypeT, class _Allocator> |
| list<_TypeT, _Allocator>:: |
| ~list () |
| { |
| if (_C_node) { |
| clear (); |
| _C_put_node (_C_node); |
| _RWSTD_NODE_LIST_FREE (); |
| } |
| } |
| |
| |
| template <class _TypeT, class _Allocator> |
| typename list<_TypeT, _Allocator>::iterator |
| list<_TypeT, _Allocator>::erase (iterator __first, iterator __last) |
| { |
| _RWSTD_ASSERT_RANGE (begin (), __first); |
| _RWSTD_ASSERT_RANGE (__first, __last); |
| |
| while (!(__first == __last)) { |
| __first = erase (__first); |
| } |
| |
| return __first; |
| } |
| |
| |
| #if !defined (_RWSTD_NO_LIST_NODE_BUFFER) |
| |
| template <class _TypeT, class _Allocator> |
| void list<_TypeT, _Allocator>::_C_add_buffer (bool __is_list_empty) |
| { |
| // empty list gets one node |
| _RWSTD_SIZE_T __next_buffer_size = 1; |
| if(!__is_list_empty) { |
| if ((void*)_C_buflist) { |
| __next_buffer_size = |
| _RWSTD_NEW_CAPACITY (list, this, _C_buflist->_C_bufsize); |
| } |
| else { |
| __next_buffer_size = _RWSTD_NEW_CAPACITY (list, this, 0); |
| } |
| } |
| _C_buf_pointer __tmp = |
| _C_buf_alloc_type (*this).allocate (1, (void*)_C_buflist); |
| |
| _TRY { |
| __tmp->_C_buffer = |
| _C_node_alloc_type (*this).allocate (__next_buffer_size, |
| (void*)_C_last); |
| } |
| _CATCH (...) { |
| _C_buf_alloc_type (*this).deallocate (__tmp, 1); |
| _RETHROW; |
| } |
| |
| __tmp->_C_next_buf = _C_buflist; |
| __tmp->_C_bufsize = __next_buffer_size; |
| |
| _C_buflist = __tmp; |
| _C_next_avail = _C_buflist->_C_buffer; |
| _C_last = _C_next_avail + __next_buffer_size; |
| } |
| |
| |
| template <class _TypeT, class _Allocator> |
| void list<_TypeT, _Allocator>::_C_free_buffers () |
| { |
| while ((void*)_C_buflist) { |
| _C_buf_pointer __tmp = _C_buflist; |
| _C_buflist = _C_buflist->_C_next_buf; |
| _C_node_alloc_type (*this).deallocate (__tmp->_C_buffer, |
| __tmp->_C_bufsize); |
| _C_buf_alloc_type (*this).deallocate (__tmp, 1); |
| } |
| _C_free_list = 0; |
| _C_next_avail = 0; |
| _C_last = 0; |
| } |
| |
| #endif // defined (_RWSTD_NO_LIST_NODE_BUFFER) |
| |
| |
| template <class _TypeT, class _Allocator> |
| void list<_TypeT, _Allocator>::_C_transfer (iterator __it, iterator __first, |
| iterator __last, list& __x) |
| { |
| _RWSTD_ASSERT_RANGE (begin (), __it); |
| _RWSTD_ASSERT_RANGE (__first, __last); |
| |
| if (this == &__x) { |
| (*(_C_link_type ((*_ITER_NODE (__last))._C_prev)))._C_next = |
| _ITER_NODE (__it); |
| (*(_C_link_type ((*_ITER_NODE (__first))._C_prev)))._C_next = |
| _ITER_NODE (__last); |
| (*(_C_link_type ((*_ITER_NODE (__it))._C_prev)))._C_next = |
| _ITER_NODE (__first); |
| |
| _C_link_type __tmp = _C_link_type ((*_ITER_NODE (__it))._C_prev); |
| |
| (*_ITER_NODE (__it))._C_prev = (*_ITER_NODE (__last))._C_prev; |
| (*_ITER_NODE (__last))._C_prev = (*_ITER_NODE (__first))._C_prev; |
| (*_ITER_NODE (__first))._C_prev = __tmp; |
| } |
| else { |
| insert (__it, __first, __last); |
| __x.erase (__first, __last); |
| } |
| } |
| |
| |
| template <class _TypeT, class _Allocator> |
| void list<_TypeT, _Allocator>::resize (size_type __size, _TypeT __val) |
| { |
| if (__size > size ()) |
| insert (end (), __size - size (), __val); |
| else if (__size < size ()) { |
| iterator __tmp = begin (); |
| advance (__tmp, __size); |
| erase (__tmp, end ()); |
| } |
| } |
| |
| |
| template <class _TypeT, class _Allocator> |
| list<_TypeT, _Allocator>& |
| list<_TypeT, _Allocator>::operator= (const list<_TypeT, _Allocator>& __rhs) |
| { |
| if (this != &__rhs) { |
| iterator __first1 = begin (); |
| iterator __last1 = end (); |
| const_iterator __first2 = __rhs.begin (); |
| const_iterator __last2 = __rhs.end (); |
| |
| for ( ; !(__first1 == __last1) && !(__first2 == __last2); |
| ++__first1, ++__first2) |
| *__first1 = *__first2; |
| |
| if (__first2 == __last2) |
| erase (__first1, __last1); |
| else |
| insert (__last1, __first2, __last2); |
| } |
| return *this; |
| } |
| |
| |
| template <class _TypeT, class _Allocator> |
| void list<_TypeT, _Allocator>::splice (iterator __it, list &__x) |
| { |
| // assert 23.2.2.4, p3 |
| _RWSTD_ASSERT (&__x != this); |
| _RWSTD_ASSERT_RANGE (begin (), __it); |
| |
| |
| #if !defined (_RWSTD_NO_LIST_NODE_BUFFER) |
| // linear complexity |
| insert (__it, __x.begin (), __x.end ()); |
| __x.clear (); |
| #else |
| if (get_allocator () == __x.get_allocator ()) { |
| |
| // constant complexity |
| |
| // relink `it' and the head of `x' |
| (*(_C_link_type ((*_ITER_NODE (__it))._C_prev)))._C_next = |
| __x._C_node->_C_next; |
| |
| __x._C_node->_C_next->_C_prev = (*_ITER_NODE (__it))._C_prev; |
| (*_ITER_NODE (__it))._C_prev = __x._C_node->_C_prev; |
| __x._C_node->_C_prev->_C_next = _ITER_NODE (__it); |
| |
| // empty out `x' |
| __x._C_node->_C_next = |
| __x._C_node->_C_prev = __x._C_node; |
| |
| // adjust sizes |
| _C_length += __x._C_length; |
| __x._C_length = 0; |
| } |
| else { |
| // linear complexity |
| insert (__it, __x.begin (), __x.end ()); |
| __x.clear (); |
| } |
| #endif // _RWSTD_NO_LIST_NODE_BUFFER |
| } |
| |
| |
| template <class _TypeT, class _Allocator> |
| void list<_TypeT, _Allocator>::splice (iterator __i, list &__x, iterator __j) |
| { |
| _RWSTD_ASSERT_RANGE (begin (), __i); |
| _RWSTD_ASSERT_RANGE (__x.begin (), __j); |
| |
| if ( !(__x.end () == __j) |
| && !(__i == __j) && !(__i == ++iterator (__j))) { |
| |
| #if !defined (_RWSTD_NO_LIST_NODE_BUFFER) |
| // linear complexity |
| insert (__i, *__j); |
| __x.erase (__j); |
| #else |
| if (get_allocator () == __x.get_allocator ()) { |
| |
| // constant complexity |
| |
| // relink `i' and `j' |
| (*(_C_link_type ((*_ITER_NODE (__i))._C_prev)))._C_next = |
| _ITER_NODE (__j); |
| |
| // save position before `i' |
| _C_link_type __tmp = (*_ITER_NODE (__i))._C_prev; |
| |
| (*_ITER_NODE (__i))._C_prev = _ITER_NODE (__j); |
| (*_ITER_NODE (__j))._C_prev->_C_next = (*_ITER_NODE (__j))._C_next; |
| (*_ITER_NODE (__j))._C_next->_C_prev = (*_ITER_NODE (__j))._C_prev; |
| |
| (*_ITER_NODE (__j))._C_next = _ITER_NODE (__i); |
| (*_ITER_NODE (__j))._C_prev = __tmp; |
| |
| // adjust sizes |
| ++_C_length; |
| --__x._C_length; |
| } |
| else { |
| // linear complexity |
| insert (__i, *__j); |
| __x.erase (__j); |
| } |
| #endif // _RWSTD_NO_LIST_NODE_BUFFER |
| } |
| } |
| |
| |
| template <class _TypeT, class _Allocator> |
| void list<_TypeT, _Allocator>:: |
| splice (iterator __i, list &__x, iterator __j, iterator __k) |
| { |
| _RWSTD_ASSERT_RANGE (begin (), __i); |
| _RWSTD_ASSERT_RANGE (__x.begin (), __j); |
| _RWSTD_ASSERT_RANGE (__j, __k); |
| |
| // 23.2.2.4, p12 - check undefined behavior |
| _RWSTD_ASSERT (&__x != this || __i != __j && __i != __k); |
| |
| if (__j == __k) |
| return; |
| |
| #if !defined (_RWSTD_NO_LIST_NODE_BUFFER) |
| insert (__i, __j, __k); |
| __x.erase (__j, __k); |
| #else |
| if (get_allocator () == __x.get_allocator ()) { |
| |
| # ifdef _RWSTDDEBUG |
| |
| for (iterator __it = __j; __it != __k; ++__it) { |
| // 23.2.2.4, p12 - check undefined behavior (linear time) |
| _RWSTD_ASSERT (&__x != this || __i != __j); |
| |
| ++_C_length; |
| --__x._C_length; |
| } |
| |
| # else // if !defined (_RWSTDDEBUG) |
| |
| if (&__x != this) { |
| // adjust sizes first |
| for (iterator __it = __j; __it != __k; ++__it) { |
| ++_C_length; |
| --__x._C_length; |
| } |
| } |
| |
| # endif // _RWSTDDEBUG |
| |
| (*(_C_link_type ((*_ITER_NODE (__k))._C_prev)))._C_next = |
| _ITER_NODE (__i); |
| (*(_C_link_type ((*_ITER_NODE (__j))._C_prev)))._C_next = |
| _ITER_NODE (__k); |
| (*(_C_link_type ((*_ITER_NODE (__i))._C_prev)))._C_next = |
| _ITER_NODE (__j); |
| |
| _C_link_type __tmp = _C_link_type ((*_ITER_NODE (__i))._C_prev); |
| |
| (*_ITER_NODE (__i))._C_prev = (*_ITER_NODE (__k))._C_prev; |
| (*_ITER_NODE (__k))._C_prev = (*_ITER_NODE (__j))._C_prev; |
| (*_ITER_NODE (__j))._C_prev = __tmp; |
| } |
| else { |
| insert (__i, __j, __k); |
| __x.erase (__j, __k); |
| } |
| #endif // _RWSTD_NO_LIST_NODE_BUFFER |
| } |
| |
| template <class _TypeT, class _Allocator> |
| void list<_TypeT, _Allocator>::remove (const_reference __val) |
| { |
| for (iterator __first = begin (), __last = end (); !(__first == __last); ) { |
| iterator __next = __first; |
| ++__next; |
| if (*__first == __val) |
| erase (__first); |
| __first = __next; |
| } |
| } |
| |
| |
| template <class _TypeT, class _Allocator> |
| void list<_TypeT, _Allocator>::unique () |
| { |
| iterator __first = begin (); |
| iterator __last = end (); |
| |
| if (__first == __last) |
| return; |
| |
| iterator __next = __first; |
| |
| while (!(++__next == __last)) { |
| if (*__first == *__next) |
| erase (__next); |
| else |
| __first = __next; |
| __next = __first; |
| } |
| } |
| |
| |
| template <class _TypeT, class _Allocator> |
| void list<_TypeT, _Allocator>::merge (list<_TypeT, _Allocator>& __x) |
| { |
| if (&__x == this) |
| return; |
| iterator __first1 = begin (); |
| iterator __last1 = end (); |
| iterator __first2 = __x.begin (); |
| iterator __last2 = __x.end (); |
| |
| while (!(__first1 == __last1) && !(__first2 == __last2)) { |
| if (*__first2 < *__first1) { |
| iterator __next = __first2; |
| _C_transfer (__first1, __first2, ++__next, __x); |
| __first2 = __next; |
| } |
| else |
| ++__first1; |
| } |
| |
| if (!(__first2 == __last2)) |
| _C_transfer (__last1, __first2, __last2, __x); |
| } |
| |
| |
| template <class _TypeT, class _Allocator> |
| void list<_TypeT, _Allocator>::reverse () |
| { |
| if (size () < 2) |
| return; |
| |
| for (iterator __first = ++begin (); !(__first == end ()); ) { |
| iterator __tmp = __first; |
| _C_transfer (begin (), __tmp, ++__first, *this); |
| } |
| } |
| |
| // sorts list by moving nodes within list; preserves iterators pointing to |
| // elements of the list. |
| template <class _TypeT, class _Allocator> |
| void list<_TypeT, _Allocator>::sort () |
| { |
| for (size_type __n = 1; __n < size (); __n *= 2) { |
| iterator __i1 = begin (), |
| __i2 = begin (), |
| __i3 = begin (); |
| |
| _C_advance (__i2, (difference_type)__n, end ()); |
| _C_advance (__i3, (difference_type)(2 * __n), end ()); |
| |
| for (size_type __m = 0; |
| __m < (size () + (2 * __n)) / (__n * 2); __m++) { |
| |
| if (!(__i1 == end ()) && !(__i2 == end ())) { |
| _C_adjacent_merge (__i1, __i2, __i3); |
| __i1 = __i2 = __i3; |
| _C_advance (__i2, (difference_type) __n, end ()); |
| _C_advance (__i3, (difference_type) 2 * __n, end ()); |
| } |
| } |
| } |
| } |
| |
| |
| template <class _TypeT, class _Allocator> |
| void list<_TypeT, _Allocator>:: |
| _C_adjacent_merge (iterator __first1, iterator __last1, iterator __last2) |
| { |
| difference_type __n = _DISTANCE (__first1, __last1, difference_type); |
| |
| for (iterator __first2 = __last1; __n >= 0 && !(__first2 == __last2); ) { |
| if (*__first2 < *__first1) { |
| iterator __next = __first2; |
| _C_transfer (__first1, __first2, ++__next, *this); |
| __first2 = __next; |
| } |
| else { |
| ++__first1; |
| --__n; |
| } |
| } |
| } |
| |
| |
| template <class _TypeT, class _Allocator> |
| template<class _Compare> |
| void list<_TypeT, _Allocator>:: |
| _C_adjacent_merge (iterator __first1, iterator __last1, iterator __last2, |
| _Compare __cmp) |
| { |
| difference_type __n = _DISTANCE (__first1, __last1, difference_type); |
| |
| for (iterator __first2 = __last1; __n >= 0 && !(__first2 == __last2); ) { |
| if (__cmp (*__first2, *__first1)) { |
| iterator __next = __first2; |
| _C_transfer (__first1, __first2, ++__next, *this); |
| __first2 = __next; |
| } |
| else { |
| ++__first1; |
| --__n; |
| } |
| } |
| } |
| |
| |
| template<class _TypeT, class _Allocator> |
| template<class _Predicate> |
| void list<_TypeT, _Allocator>::remove_if (_Predicate __pred) |
| { |
| iterator __first = begin (); |
| iterator __last = end (); |
| |
| while (!(__first == __last)) { |
| iterator __next = __first; |
| ++__next; |
| if (__pred (*__first)) |
| erase (__first); |
| __first = __next; |
| } |
| } |
| |
| |
| template<class _TypeT, class _Allocator> |
| template<class _BinaryPredicate> |
| void list<_TypeT, _Allocator>::unique (_BinaryPredicate __pred) |
| { |
| iterator __first = begin (); |
| iterator __last = end (); |
| |
| if (__first == __last) |
| return; |
| |
| iterator __next = __first; |
| while (!(++__next == __last)) { |
| if (__pred (*__first, *__next)) |
| erase (__next); |
| else |
| __first = __next; |
| __next = __first; |
| } |
| } |
| |
| |
| template<class _TypeT, class _Allocator> |
| template<class _Compare> |
| void list<_TypeT, _Allocator>:: |
| merge (list<_TypeT, _Allocator>& __x, _Compare __cmp) |
| { |
| if (&__x == this) |
| return; |
| iterator __first1 = begin (); |
| iterator __last1 = end (); |
| iterator __first2 = __x.begin (); |
| iterator __last2 = __x.end (); |
| |
| while (!(__first1 == __last1) && !(__first2 == __last2)) { |
| if (__cmp (*__first2, *__first1)) { |
| iterator __next = __first2; |
| _C_transfer (__first1, __first2, ++__next, __x); |
| __first2 = __next; |
| } |
| else |
| ++__first1; |
| } |
| |
| if (!(__first2 == __last2)) |
| _C_transfer (__last1, __first2, __last2, __x); |
| } |
| |
| |
| template <class _TypeT, class _Allocator> |
| template<class _Compare> |
| void list<_TypeT, _Allocator>::sort (_Compare __cmp) |
| { |
| for (size_type __n = 1; __n < size (); __n *= 2) { |
| |
| iterator __it1 = begin (), |
| __it2 = begin (), |
| __it3 = begin (); |
| |
| _C_advance (__it2, __n, end ()); |
| _C_advance (__it3, 2 * __n, end ()); |
| |
| for (size_type __m = 0; |
| __m != (size () + (2 * __n)) / (__n * 2); ++__m) { |
| |
| if (!(__it1 == end ()) && !(__it2 == end ())) { |
| _C_adjacent_merge (__it1, __it2, __it3, __cmp); |
| __it1 = __it3; |
| __it2 = __it3; |
| _C_advance (__it2, __n, end ()); |
| _C_advance (__it3, 2 * __n, end ()); |
| } |
| } |
| } |
| } |
| |
| |
| } // namespace std |
