stl_slist.h

c++ STL source code, hash and vector etc

  void sort();     

#ifdef __STL_MEMBER_TEMPLATES
  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); 
#endif /* __STL_MEMBER_TEMPLATES */
};

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);
}

#ifdef __STL_MEMBER_TEMPLATES

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);
}

#endif /* __STL_MEMBER_TEMPLATES */

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());
}

#ifdef __STL_FUNCTION_TMPL_PARTIAL_ORDER

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);
}

#endif /* __STL_FUNCTION_TMPL_PARTIAL_ORDER */


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]);
  }
}

#ifdef __STL_MEMBER_TEMPLATES

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]);
  }
}

#endif /* __STL_MEMBER_TEMPLATES */

// Specialization of insert_iterator so that insertions will be constant
// time rather than linear time.

#ifdef __STL_CLASS_PARTIAL_SPECIALIZATION

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; }
};

#endif /* __STL_CLASS_PARTIAL_SPECIALIZATION */

#if defined(__sgi) && !defined(__GNUC__) && (_MIPS_SIM != _MIPS_SIM_ABI32)
#pragma reset woff 1174
#pragma reset woff 1375
#endif

__STL_END_NAMESPACE 

#endif /* __SGI_STL_INTERNAL_SLIST_H */

// Local Variables:
// mode:C++
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