williamr@4: /*
williamr@4:  *
williamr@4:  *
williamr@4:  * Copyright (c) 1994
williamr@4:  * Hewlett-Packard Company
williamr@4:  *
williamr@4:  * Copyright (c) 1996,1997
williamr@4:  * Silicon Graphics Computer Systems, Inc.
williamr@4:  *
williamr@4:  * Copyright (c) 1997
williamr@4:  * Moscow Center for SPARC Technology
williamr@4:  *
williamr@4:  * Copyright (c) 1999 
williamr@4:  * Boris Fomitchev
williamr@4:  *
williamr@4:  * This material is provided "as is", with absolutely no warranty expressed
williamr@4:  * or implied. Any use is at your own risk.
williamr@4:  *
williamr@4:  * Permission to use or copy this software for any purpose is hereby granted 
williamr@4:  * without fee, provided the above notices are retained on all copies.
williamr@4:  * Permission to modify the code and to distribute modified code is granted,
williamr@4:  * provided the above notices are retained, and a notice that the code was
williamr@4:  * modified is included with the above copyright notice.
williamr@4:  *
williamr@4:  */
williamr@4: #ifndef _STLP_LIST_C
williamr@4: #define _STLP_LIST_C
williamr@4: 
williamr@4: #ifndef _STLP_INTERNAL_LIST_H
williamr@4: # include <stl/_list.h>
williamr@4: #endif
williamr@4: 
williamr@4: #if defined (__WATCOMC__) || defined (_STLP_USE_TRAP_LEAVE)
williamr@4: #include <vector>
williamr@4: #endif
williamr@4: 
williamr@4: # undef list
williamr@4: # define  list  __WORKAROUND_DBG_RENAME(list)
williamr@4: 
williamr@4: _STLP_BEGIN_NAMESPACE
williamr@4: 
williamr@4: # if defined (_STLP_EXPOSE_GLOBALS_IMPLEMENTATION)
williamr@4: 
williamr@4: template <class _Dummy>
williamr@4: void _STLP_CALL
williamr@4: _List_global<_Dummy>::_Transfer(_List_node_base* __position, 
williamr@4: 				_List_node_base* __first, _List_node_base* __last) {
williamr@4:   if (__position != __last) {
williamr@4:     // Remove [first, last) from its old position.
williamr@4:     ((_Node*) (__last->_M_prev))->_M_next = __position;
williamr@4:     ((_Node*) (__first->_M_prev))->_M_next    = __last;
williamr@4:     ((_Node*) (__position->_M_prev))->_M_next = __first; 
williamr@4:     
williamr@4:     // Splice [first, last) into its new position.
williamr@4:     _Node* __tmp = (_Node*) (__position->_M_prev);
williamr@4:     __position->_M_prev = __last->_M_prev;
williamr@4:     __last->_M_prev      = __first->_M_prev; 
williamr@4:     __first->_M_prev    = __tmp;
williamr@4:   }
williamr@4: }
williamr@4: 
williamr@4: #endif /* defined (__BUILDING_STLPORT) || ! defined (_STLP_OWN_IOSTREAMS) */
williamr@4: 
williamr@4: 
williamr@4: template <class _Tp, class _Alloc>
williamr@4: void 
williamr@4: _List_base<_Tp,_Alloc>::clear() 
williamr@4: {
williamr@4:   _List_node<_Tp>* __cur = this->_M_node._M_data;
williamr@4:   if (!__cur)
williamr@4: 	return;
williamr@4:   __cur = (_List_node<_Tp>*)__cur->_M_next;
williamr@4:   while (__cur != this->_M_node._M_data) {
williamr@4:     _List_node<_Tp>* __tmp = __cur;
williamr@4:     __cur = (_List_node<_Tp>*) __cur->_M_next;
williamr@4:     _STLP_STD::_Destroy(&__tmp->_M_data);
williamr@4:     this->_M_node.deallocate(__tmp, 1);
williamr@4:   }
williamr@4:   this->_M_node._M_data->_M_next = this->_M_node._M_data;
williamr@4:   this->_M_node._M_data->_M_prev = this->_M_node._M_data;
williamr@4: }
williamr@4: 
williamr@4: # if defined (_STLP_NESTED_TYPE_PARAM_BUG) 
williamr@4: #  define size_type      size_t
williamr@4: # endif
williamr@4: 
williamr@4: template <class _Tp, class _Alloc>
williamr@4: void list<_Tp, _Alloc>::resize(size_type __new_size, _Tp __x)
williamr@4: {
williamr@4:   iterator __i = begin();
williamr@4:   size_type __len = 0;
williamr@4:   for ( ; __i != end() && __len < __new_size; ++__i, ++__len);
williamr@4: 
williamr@4:   if (__len == __new_size)
williamr@4:     erase(__i, end());
williamr@4:   else                          // __i == end()
williamr@4:     insert(end(), __new_size - __len, __x);
williamr@4: }
williamr@4: 
williamr@4: template <class _Tp, class _Alloc>
williamr@4: list<_Tp, _Alloc>& list<_Tp, _Alloc>::operator=(const list<_Tp, _Alloc>& __x)
williamr@4: {
williamr@4:   if (this != &__x) {
williamr@4:     iterator __first1 = begin();
williamr@4:     iterator __last1 = end();
williamr@4:     const_iterator __first2 = __x.begin();
williamr@4:     const_iterator __last2 = __x.end();
williamr@4:     while (__first1 != __last1 && __first2 != __last2) 
williamr@4:       *__first1++ = *__first2++;
williamr@4:     if (__first2 == __last2)
williamr@4:       erase(__first1, __last1);
williamr@4:     else
williamr@4:       insert(__last1, __first2, __last2);
williamr@4:   }
williamr@4:   return *this;
williamr@4: }
williamr@4: 
williamr@4: template <class _Tp, class _Alloc>
williamr@4: void list<_Tp, _Alloc>::_M_fill_assign(size_type __n, const _Tp& __val) {
williamr@4:   iterator __i = begin();
williamr@4:   for ( ; __i != end() && __n > 0; ++__i, --__n)
williamr@4:     *__i = __val;
williamr@4:   if (__n > 0)
williamr@4:     insert(end(), __n, __val);
williamr@4:   else
williamr@4:     erase(__i, end());
williamr@4: }
williamr@4: 
williamr@4: template <class _Tp, class _Alloc, class _Predicate> 
williamr@4: void _S_remove_if(list<_Tp, _Alloc>& __that, _Predicate __pred)  {
williamr@4:   typename list<_Tp, _Alloc>::iterator __first = __that.begin();
williamr@4:   typename list<_Tp, _Alloc>::iterator __last = __that.end();
williamr@4:   while (__first != __last) {
williamr@4:     typename list<_Tp, _Alloc>::iterator __next = __first;
williamr@4:     ++__next;
williamr@4:     if (__pred(*__first)) __that.erase(__first);
williamr@4:     __first = __next;
williamr@4:   }
williamr@4: }
williamr@4: 
williamr@4: template <class _Tp, class _Alloc, class _BinaryPredicate>
williamr@4: void _S_unique(list<_Tp, _Alloc>& __that, _BinaryPredicate __binary_pred) {
williamr@4:   typename list<_Tp, _Alloc>::iterator __first = __that.begin();
williamr@4:   typename list<_Tp, _Alloc>::iterator __last = __that.end();
williamr@4:   if (__first == __last) return;
williamr@4:   typename list<_Tp, _Alloc>::iterator __next = __first;
williamr@4:   while (++__next != __last) {
williamr@4:     if (__binary_pred(*__first, *__next))
williamr@4:       __that.erase(__next);
williamr@4:     else
williamr@4:       __first = __next;
williamr@4:     __next = __first;
williamr@4:   }
williamr@4: }
williamr@4: 
williamr@4: template <class _Tp, class _Alloc, class _StrictWeakOrdering>
williamr@4: void _S_merge(list<_Tp, _Alloc>& __that, list<_Tp, _Alloc>& __x,
williamr@4: 	      _StrictWeakOrdering __comp) {
williamr@4:   typedef typename list<_Tp, _Alloc>::iterator _Literator;
williamr@4:   _Literator __first1 = __that.begin();
williamr@4:   _Literator __last1 = __that.end();
williamr@4:   _Literator __first2 = __x.begin();
williamr@4:   _Literator __last2 = __x.end();
williamr@4:   while (__first1 != __last1 && __first2 != __last2)
williamr@4:     if (__comp(*__first2, *__first1)) {
williamr@4:       _Literator __next = __first2;
williamr@4:       _List_global_inst::_Transfer(__first1._M_node, __first2._M_node, (++__next)._M_node);
williamr@4:       __first2 = __next;
williamr@4:     }
williamr@4:     else
williamr@4:       ++__first1;
williamr@4:   if (__first2 != __last2) _List_global_inst::_Transfer(__last1._M_node, __first2._M_node, __last2._M_node);
williamr@4: }
williamr@4: 
williamr@4: template <class _Tp, class _Alloc, class _StrictWeakOrdering>
williamr@4: void _S_sort(list<_Tp, _Alloc>& __that, _StrictWeakOrdering __comp) {
williamr@4:   // Do nothing if the list has length 0 or 1.
williamr@4:   if (__that._M_node._M_data->_M_next != __that._M_node._M_data &&
williamr@4:       (__that._M_node._M_data->_M_next)->_M_next != __that._M_node._M_data) {
williamr@4: 
williamr@4: #if !defined (__WATCOMC__)
williamr@4: #ifdef _STLP_USE_TRAP_LEAVE
williamr@4:     typedef vector<list<_Tp, _Alloc>*, _Alloc>  _TmpVec;
williamr@4:     _TmpVec* __pTmp = new _TmpVec();
williamr@4:     _TmpVec& __counter = *__pTmp;
williamr@4:     for (int i = 0; 1< 64; ++i) {
williamr@4:       list<_Tp, _Alloc>* __pTmp2 = new list<_Tp, _Alloc>;
williamr@4:       __counter.push_back (__pTmp2);
williamr@4:     }
williamr@4:     list<_Tp, _Alloc>* __pcarry = new list<_Tp, _Alloc>;
williamr@4:     list<_Tp, _Alloc>& __carry = *__pcarry;
williamr@4: #else
williamr@4:     list<_Tp, _Alloc> __counter[64];
williamr@4:     list<_Tp, _Alloc> __carry;
williamr@4: #endif
williamr@4: #else
williamr@4:     list<_Tp, _Alloc> __carry;
williamr@4:     __vector__<list<_Tp, _Alloc>, _Alloc> __counter(64);		
williamr@4: #endif
williamr@4:     int __fill = 0;
williamr@4: #ifdef _STLP_USE_TRAP_LEAVE
williamr@4:     while (!__that.empty()) {
williamr@4:       __carry.splice(__carry.begin(), __that, __that.begin());
williamr@4:       int __i = 0;
williamr@4: 
williamr@4:       while(__i < __fill && !__counter[__i]->empty()) {
williamr@4: 	_S_merge(*__counter[__i], __carry, __comp);
williamr@4: 	__carry.swap(*__counter[__i++]);
williamr@4:       }
williamr@4:       __carry.swap(*__counter[__i]);         
williamr@4:       if (__i == __fill) ++__fill;
williamr@4:     } 
williamr@4:     
williamr@4:     for (int __i = 1; __i < __fill; ++__i) 
williamr@4:       _S_merge(*__counter[__i], *__counter[__i-1], __comp);
williamr@4:     __that.swap(*__counter[__fill-1]);
williamr@4: 
williamr@4:     // those objects won't just go away
williamr@4:     __counter.clear();
williamr@4:     CleanupStack::Pop(66);
williamr@4:   }    
williamr@4: # else
williamr@4:     while (!__that.empty()) {
williamr@4:       __carry.splice(__carry.begin(), __that, __that.begin());
williamr@4:       int __i = 0;
williamr@4: 
williamr@4:       while(__i < __fill && !__counter[__i].empty()) {
williamr@4: 	_S_merge(__counter[__i], __carry, __comp);
williamr@4: 	__carry.swap(__counter[__i++]);
williamr@4:       }
williamr@4:       __carry.swap(__counter[__i]);         
williamr@4:       if (__i == __fill) ++__fill;
williamr@4:     } 
williamr@4:     
williamr@4:     for (int __i = 1; __i < __fill; ++__i) 
williamr@4:       _S_merge(__counter[__i], __counter[__i-1], __comp);
williamr@4:     __that.swap(__counter[__fill-1]);
williamr@4:   }
williamr@4: # endif
williamr@4: 
williamr@4: }
williamr@4: 
williamr@4: # undef  list
williamr@4: # undef  size_type
williamr@4: 
williamr@4: _STLP_END_NAMESPACE
williamr@4: 
williamr@4: #endif /*  _STLP_LIST_C */
williamr@4: 
williamr@4: // Local Variables:
williamr@4: // mode:C++
williamr@4: // End: