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_hash_set.h
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2002-02-02
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/*
*
* Copyright (c) 1994
* Hewlett-Packard Company
*
* Copyright (c) 1996,1997
* Silicon Graphics Computer Systems, Inc.
*
* Copyright (c) 1997
* Moscow Center for SPARC Technology
*
* Copyright (c) 1999
* Boris Fomitchev
*
* This material is provided "as is", with absolutely no warranty expressed
* or implied. Any use is at your own risk.
*
* Permission to use or copy this software for any purpose is hereby granted
* without fee, provided the above notices are retained on all copies.
* Permission to modify the code and to distribute modified code is granted,
* provided the above notices are retained, and a notice that the code was
* modified is included with the above copyright notice.
*
*/
/* NOTE: This is an internal header file, included by other STL headers.
* You should not attempt to use it directly.
*/
#ifndef _STLP_INTERNAL_HASH_SET_H
#define _STLP_INTERNAL_HASH_SET_H
#ifndef _STLP_INTERNAL_HASHTABLE_H
# include <stl/_hashtable.h>
#endif
# define hash_set __WORKAROUND_RENAME(hash_set)
# define hash_multiset __WORKAROUND_RENAME(hash_multiset)
_STLP_BEGIN_NAMESPACE
template <class _Value, __DFL_TMPL_PARAM(_HashFcn,hash<_Value>),
__DFL_TMPL_PARAM(_EqualKey,equal_to<_Value>),
_STLP_DEFAULT_ALLOCATOR_SELECT(_Value) >
class hash_set
{
private:
typedef hashtable<_Value, _Value, _HashFcn, _Identity<_Value>,
_EqualKey, _Alloc> _Ht;
typedef hash_set<_Value, _HashFcn, _EqualKey, _Alloc> _Self;
typedef typename _Ht::iterator _ht_iterator;
public:
typedef typename _Ht::key_type key_type;
typedef typename _Ht::value_type value_type;
typedef typename _Ht::hasher hasher;
typedef typename _Ht::key_equal key_equal;
typedef typename _Ht::size_type size_type;
typedef typename _Ht::difference_type difference_type;
typedef typename _Ht::pointer pointer;
typedef typename _Ht::const_pointer const_pointer;
typedef typename _Ht::reference reference;
typedef typename _Ht::const_reference const_reference;
// SunPro bug
typedef typename _Ht::const_iterator const_iterator;
typedef const_iterator iterator;
typedef typename _Ht::allocator_type allocator_type;
hasher hash_funct() const { return _M_ht.hash_funct(); }
key_equal key_eq() const { return _M_ht.key_eq(); }
allocator_type get_allocator() const { return _M_ht.get_allocator(); }
private:
_Ht _M_ht;
public:
hash_set()
: _M_ht(100, hasher(), key_equal(), allocator_type()) {}
explicit hash_set(size_type __n)
: _M_ht(__n, hasher(), key_equal(), allocator_type()) {}
hash_set(size_type __n, const hasher& __hf)
: _M_ht(__n, __hf, key_equal(), allocator_type()) {}
hash_set(size_type __n, const hasher& __hf, const key_equal& __eql,
const allocator_type& __a = allocator_type())
: _M_ht(__n, __hf, __eql, __a) {}
#ifdef _STLP_MEMBER_TEMPLATES
template <class _InputIterator>
hash_set(_InputIterator __f, _InputIterator __l)
: _M_ht(100, hasher(), key_equal(), allocator_type())
{ _M_ht.insert_unique(__f, __l); }
template <class _InputIterator>
hash_set(_InputIterator __f, _InputIterator __l, size_type __n)
: _M_ht(__n, hasher(), key_equal(), allocator_type())
{ _M_ht.insert_unique(__f, __l); }
template <class _InputIterator>
hash_set(_InputIterator __f, _InputIterator __l, size_type __n,
const hasher& __hf)
: _M_ht(__n, __hf, key_equal(), allocator_type())
{ _M_ht.insert_unique(__f, __l); }
# ifdef _STLP_NEEDS_EXTRA_TEMPLATE_CONSTRUCTORS
template <class _InputIterator>
hash_set(_InputIterator __f, _InputIterator __l, size_type __n,
const hasher& __hf, const key_equal& __eql)
: _M_ht(__n, __hf, __eql, allocator_type())
{ _M_ht.insert_unique(__f, __l); }
# endif
template <class _InputIterator>
hash_set(_InputIterator __f, _InputIterator __l, size_type __n,
const hasher& __hf, const key_equal& __eql,
const allocator_type& __a _STLP_ALLOCATOR_TYPE_DFL)
: _M_ht(__n, __hf, __eql, __a)
{ _M_ht.insert_unique(__f, __l); }
#else
hash_set(const value_type* __f, const value_type* __l)
: _M_ht(100, hasher(), key_equal(), allocator_type())
{ _M_ht.insert_unique(__f, __l); }
hash_set(const value_type* __f, const value_type* __l, size_type __n)
: _M_ht(__n, hasher(), key_equal(), allocator_type())
{ _M_ht.insert_unique(__f, __l); }
hash_set(const value_type* __f, const value_type* __l, size_type __n,
const hasher& __hf)
: _M_ht(__n, __hf, key_equal(), allocator_type())
{ _M_ht.insert_unique(__f, __l); }
hash_set(const value_type* __f, const value_type* __l, size_type __n,
const hasher& __hf, const key_equal& __eql,
const allocator_type& __a = allocator_type())
: _M_ht(__n, __hf, __eql, __a)
{ _M_ht.insert_unique(__f, __l); }
hash_set(const_iterator __f, const_iterator __l)
: _M_ht(100, hasher(), key_equal(), allocator_type())
{ _M_ht.insert_unique(__f, __l); }
hash_set(const_iterator __f, const_iterator __l, size_type __n)
: _M_ht(__n, hasher(), key_equal(), allocator_type())
{ _M_ht.insert_unique(__f, __l); }
hash_set(const_iterator __f, const_iterator __l, size_type __n,
const hasher& __hf)
: _M_ht(__n, __hf, key_equal(), allocator_type())
{ _M_ht.insert_unique(__f, __l); }
hash_set(const_iterator __f, const_iterator __l, size_type __n,
const hasher& __hf, const key_equal& __eql,
const allocator_type& __a = allocator_type())
: _M_ht(__n, __hf, __eql, __a)
{ _M_ht.insert_unique(__f, __l); }
#endif /*_STLP_MEMBER_TEMPLATES */
public:
size_type size() const { return _M_ht.size(); }
size_type max_size() const { return _M_ht.max_size(); }
bool empty() const { return _M_ht.empty(); }
void swap(_Self& __hs) { _M_ht.swap(__hs._M_ht); }
iterator begin() const { return _M_ht.begin(); }
iterator end() const { return _M_ht.end(); }
public:
pair<iterator, bool> insert(const value_type& __obj)
{
pair<_ht_iterator, bool> __p = _M_ht.insert_unique(__obj);
return pair<iterator,bool>(__REINTERPRET_CAST(const iterator&, __p.first), __p.second);
}
#ifdef _STLP_MEMBER_TEMPLATES
template <class _InputIterator>
void insert(_InputIterator __f, _InputIterator __l)
{ _M_ht.insert_unique(__f,__l); }
#else
void insert(const value_type* __f, const value_type* __l) {
_M_ht.insert_unique(__f,__l);
}
void insert(const_iterator __f, const_iterator __l)
{_M_ht.insert_unique(__f, __l); }
#endif /*_STLP_MEMBER_TEMPLATES */
pair<iterator, bool> insert_noresize(const value_type& __obj)
{
pair<_ht_iterator, bool> __p =
_M_ht.insert_unique_noresize(__obj);
return pair<iterator, bool>(__p.first, __p.second);
}
# if defined(_STLP_MEMBER_TEMPLATES) && ! defined ( _STLP_NO_EXTENSIONS )
template <class _KT>
iterator find(const _KT& __key) const { return _M_ht.find(__key); }
# else
iterator find(const key_type& __key) const { return _M_ht.find(__key); }
# endif
size_type count(const key_type& __key) const { return _M_ht.count(__key); }
pair<iterator, iterator> equal_range(const key_type& __key) const
{ return _M_ht.equal_range(__key); }
size_type erase(const key_type& __key) {return _M_ht.erase(__key); }
void erase(iterator __it) { _M_ht.erase(__it); }
void erase(iterator __f, iterator __l) { _M_ht.erase(__f, __l); }
void clear() { _M_ht.clear(); }
public:
void resize(size_type __hint) { _M_ht.resize(__hint); }
size_type bucket_count() const { return _M_ht.bucket_count(); }
size_type max_bucket_count() const { return _M_ht.max_bucket_count(); }
size_type elems_in_bucket(size_type __n) const
{ return _M_ht.elems_in_bucket(__n); }
static bool _STLP_CALL _M_equal (const _Self& __x, const _Self& __y) {
return _Ht::_M_equal(__x._M_ht,__y._M_ht);
}
};
template <class _Value, class _HashFcn, class _EqualKey, class _Alloc>
inline bool _STLP_CALL
operator==(const hash_set<_Value,_HashFcn,_EqualKey,_Alloc>& __hs1,
const hash_set<_Value,_HashFcn,_EqualKey,_Alloc>& __hs2)
{
return hash_set<_Value,_HashFcn,_EqualKey,_Alloc>::_M_equal(__hs1, __hs2);
}
#ifdef _STLP_USE_SEPARATE_RELOPS_NAMESPACE
template <class _Value, class _HashFcn, class _EqualKey, class _Alloc>
inline bool _STLP_CALL
operator!=(const hash_set<_Value,_HashFcn,_EqualKey,_Alloc>& __hs1,
const hash_set<_Value,_HashFcn,_EqualKey,_Alloc>& __hs2) {
return !(__hs1 == __hs2);
}
template <class _Val, class _HashFcn, class _EqualKey, class _Alloc>
inline void _STLP_CALL
swap(hash_set<_Val,_HashFcn,_EqualKey,_Alloc>& __hs1,
hash_set<_Val,_HashFcn,_EqualKey,_Alloc>& __hs2)
{
__hs1.swap(__hs2);
}
#endif /* _STLP_USE_SEPARATE_RELOPS_NAMESPACE */
template <class _Value, __DFL_TMPL_PARAM(_HashFcn,hash<_Value>),
__DFL_TMPL_PARAM(_EqualKey,equal_to<_Value>),
_STLP_DEFAULT_ALLOCATOR_SELECT(_Value) >
class hash_multiset
{
private:
typedef hashtable<_Value, _Value, _HashFcn, _Identity<_Value>,
_EqualKey, _Alloc> _Ht;
typedef hash_multiset<_Value, _HashFcn, _EqualKey, _Alloc> _Self;
public:
typedef typename _Ht::key_type key_type;
typedef typename _Ht::value_type value_type;
typedef typename _Ht::hasher hasher;
typedef typename _Ht::key_equal key_equal;
typedef typename _Ht::size_type size_type;
typedef typename _Ht::difference_type difference_type;
typedef typename _Ht::pointer pointer;
typedef typename _Ht::const_pointer const_pointer;
typedef typename _Ht::reference reference;
typedef typename _Ht::const_reference const_reference;
typedef typename _Ht::const_iterator const_iterator;
// SunPro bug
typedef const_iterator iterator;
typedef typename _Ht::allocator_type allocator_type;
hasher hash_funct() const { return _M_ht.hash_funct(); }
key_equal key_eq() const { return _M_ht.key_eq(); }
allocator_type get_allocator() const { return _M_ht.get_allocator(); }
private:
_Ht _M_ht;
public:
hash_multiset()
: _M_ht(100, hasher(), key_equal(), allocator_type()) {}
explicit hash_multiset(size_type __n)
: _M_ht(__n, hasher(), key_equal(), allocator_type()) {}
hash_multiset(size_type __n, const hasher& __hf)
: _M_ht(__n, __hf, key_equal(), allocator_type()) {}
hash_multiset(size_type __n, const hasher& __hf, const key_equal& __eql)
: _M_ht(__n, __hf, __eql, allocator_type()) {}
hash_multiset(size_type __n, const hasher& __hf, const key_equal& __eql,
const allocator_type& __a)
: _M_ht(__n, __hf, __eql, __a) {}
#ifdef _STLP_MEMBER_TEMPLATES
template <class _InputIterator>
hash_multiset(_InputIterator __f, _InputIterator __l)
: _M_ht(100, hasher(), key_equal(), allocator_type())
{ _M_ht.insert_equal(__f, __l); }
template <class _InputIterator>
hash_multiset(_InputIterator __f, _InputIterator __l, size_type __n)
: _M_ht(__n, hasher(), key_equal(), allocator_type())
{ _M_ht.insert_equal(__f, __l); }
template <class _InputIterator>
hash_multiset(_InputIterator __f, _InputIterator __l, size_type __n,
const hasher& __hf)
: _M_ht(__n, __hf, key_equal(), allocator_type())
{ _M_ht.insert_equal(__f, __l); }
# ifdef _STLP_NEEDS_EXTRA_TEMPLATE_CONSTRUCTORS
template <class _InputIterator>
hash_multiset(_InputIterator __f, _InputIterator __l, size_type __n,
const hasher& __hf, const key_equal& __eql)
: _M_ht(__n, __hf, __eql, allocator_type())
{ _M_ht.insert_equal(__f, __l); }
# endif
template <class _InputIterator>
hash_multiset(_InputIterator __f, _InputIterator __l, size_type __n,
const hasher& __hf, const key_equal& __eql,
const allocator_type& __a _STLP_ALLOCATOR_TYPE_DFL)
: _M_ht(__n, __hf, __eql, __a)
{ _M_ht.insert_equal(__f, __l); }
#else
hash_multiset(const value_type* __f, const value_type* __l)
: _M_ht(100, hasher(), key_equal(), allocator_type())
{ _M_ht.insert_equal(__f, __l); }
hash_multiset(const value_type* __f, const value_type* __l, size_type __n)
: _M_ht(__n, hasher(), key_equal(), allocator_type())
{ _M_ht.insert_equal(__f, __l); }
hash_multiset(const value_type* __f, const value_type* __l, size_type __n,
const hasher& __hf)
: _M_ht(__n, __hf, key_equal(), allocator_type())
{ _M_ht.insert_equal(__f, __l); }
hash_multiset(const value_type* __f, const value_type* __l, size_type __n,
const hasher& __hf, const key_equal& __eql,
const allocator_type& __a = allocator_type())
: _M_ht(__n, __hf, __eql, __a)
{ _M_ht.insert_equal(__f, __l); }
hash_multiset(const_iterator __f, const_iterator __l)
: _M_ht(100, hasher(), key_equal(), allocator_type())
{ _M_ht.insert_equal(__f, __l); }
hash_multiset(const_iterator __f, const_iterator __l, size_type __n)
: _M_ht(__n, hasher(), key_equal(), allocator_type())
{ _M_ht.insert_equal(__f, __l); }
hash_multiset(const_iterator __f, const_iterator __l, size_type __n,
const hasher& __hf)
: _M_ht(__n, __hf, key_equal(), allocator_type())
{ _M_ht.insert_equal(__f, __l); }
hash_multiset(const_iterator __f, const_iterator __l, size_type __n,
const hasher& __hf, const key_equal& __eql,
const allocator_type& __a = allocator_type())
: _M_ht(__n, __hf, __eql, __a)
{ _M_ht.insert_equal(__f, __l); }
#endif /*_STLP_MEMBER_TEMPLATES */
public:
size_type size() const { return _M_ht.size(); }
size_type max_size() const { return _M_ht.max_size(); }
bool empty() const { return _M_ht.empty(); }
void swap(_Self& hs) { _M_ht.swap(hs._M_ht); }
iterator begin() const { return _M_ht.begin(); }
iterator end() const { return _M_ht.end(); }
public:
iterator insert(const value_type& __obj)
{ return _M_ht.insert_equal(__obj); }
#ifdef _STLP_MEMBER_TEMPLATES
template <class _InputIterator>
void insert(_InputIterator __f, _InputIterator __l)
{ _M_ht.insert_equal(__f,__l); }
#else
void insert(const value_type* __f, const value_type* __l) {
_M_ht.insert_equal(__f,__l);
}
void insert(const_iterator __f, const_iterator __l)
{ _M_ht.insert_equal(__f, __l); }
#endif /*_STLP_MEMBER_TEMPLATES */
iterator insert_noresize(const value_type& __obj)
{ return _M_ht.insert_equal_noresize(__obj); }
# if defined(_STLP_MEMBER_TEMPLATES) && ! defined ( _STLP_NO_EXTENSIONS )
template <class _KT>
iterator find(const _KT& __key) const { return _M_ht.find(__key); }
# else
iterator find(const key_type& __key) const { return _M_ht.find(__key); }
# endif
size_type count(const key_type& __key) const { return _M_ht.count(__key); }
pair<iterator, iterator> equal_range(const key_type& __key) const
{ return _M_ht.equal_range(__key); }
size_type erase(const key_type& __key) {return _M_ht.erase(__key); }
void erase(iterator __it) { _M_ht.erase(__it); }
void erase(iterator __f, iterator __l) { _M_ht.erase(__f, __l); }
void clear() { _M_ht.clear(); }
public:
void resize(size_type __hint) { _M_ht.resize(__hint); }
size_type bucket_count() const { return _M_ht.bucket_count(); }
size_type max_bucket_count() const { return _M_ht.max_bucket_count(); }
size_type elems_in_bucket(size_type __n) const
{ return _M_ht.elems_in_bucket(__n); }
static bool _STLP_CALL _M_equal (const _Self& __x, const _Self& __y) {
return _Ht::_M_equal(__x._M_ht,__y._M_ht);
}
};
template <class _Value, class _HashFcn, class _EqualKey, class _Alloc>
inline bool
operator==(const hash_multiset<_Value,_HashFcn,_EqualKey,_Alloc>& __hs1,
const hash_multiset<_Value,_HashFcn,_EqualKey,_Alloc>& __hs2)
{
return hash_multiset<_Value,_HashFcn,_EqualKey,_Alloc>::_M_equal(__hs1, __hs2);
}
#ifdef _STLP_USE_SEPARATE_RELOPS_NAMESPACE
template <class _Value, class _HashFcn, class _EqualKey, class _Alloc>
inline bool _STLP_CALL
operator!=(const hash_multiset<_Value,_HashFcn,_EqualKey,_Alloc>& __hs1,
const hash_multiset<_Value,_HashFcn,_EqualKey,_Alloc>& __hs2) {
return !(__hs1 == __hs2);
}
template <class _Val, class _HashFcn, class _EqualKey, class _Alloc>
inline void _STLP_CALL
swap(hash_multiset<_Val,_HashFcn,_EqualKey,_Alloc>& __hs1,
hash_multiset<_Val,_HashFcn,_EqualKey,_Alloc>& __hs2) {
__hs1.swap(__hs2);
}
#endif /* _STLP_USE_SEPARATE_RELOPS_NAMESPACE */
// Specialization of insert_iterator so that it will work for hash_set
// and hash_multiset.
#ifdef _STLP_CLASS_PARTIAL_SPECIALIZATION
template <class _Value, class _HashFcn, class _EqualKey, class _Alloc>
class insert_iterator<hash_set<_Value, _HashFcn, _EqualKey, _Alloc> > {
protected:
typedef hash_set<_Value, _HashFcn, _EqualKey, _Alloc> _Container;
_Container* container;
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) : container(&__x) {}
insert_iterator(_Container& __x, typename _Container::iterator)
: container(&__x) {}
insert_iterator<_Container>&
operator=(const typename _Container::value_type& __val) {
container->insert(__val);
return *this;
}
insert_iterator<_Container>& operator*() { return *this; }
insert_iterator<_Container>& operator++() { return *this; }
insert_iterator<_Container>& operator++(int) { return *this; }
};
template <class _Value, class _HashFcn, class _EqualKey, class _Alloc>
class insert_iterator<hash_multiset<_Value, _HashFcn, _EqualKey, _Alloc> > {
protected:
typedef hash_multiset<_Value, _HashFcn, _EqualKey, _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) : container(&__x) {}
insert_iterator(_Container& __x, typename _Container::iterator)
: container(&__x) {}
insert_iterator<_Container>&
operator=(const typename _Container::value_type& __val) {
container->insert(__val);
return *this;
}
insert_iterator<_Container>& operator*() { return *this; }
insert_iterator<_Container>& operator++() { return *this; }
insert_iterator<_Container>& operator++(int) { return *this; }
};
#endif /* _STLP_CLASS_PARTIAL_SPECIALIZATION */
_STLP_END_NAMESPACE
// do a cleanup
# undef hash_set
# undef hash_multiset
// provide a uniform way to access full funclionality
# define __hash_set__ __FULL_NAME(hash_set)
# define __hash_multiset__ __FULL_NAME(hash_multiset)
# if defined ( _STLP_USE_WRAPPER_FOR_ALLOC_PARAM )
# include <stl/wrappers/_hash_set.h>
# endif /* WRAPPER */
#endif /* _STLP_INTERNAL_HASH_SET_H */
// Local Variables:
// mode:C++
// End: