gcc/libstdc++-v3/ext/hash_set
Benjamin Kosnik b2dad0e372 libstdc++-v3: New directory.
2000-04-21  Benjamin Kosnik  <bkoz@redhat.com>

	* libstdc++-v3: New directory.

From-SVN: r33317
2000-04-21 20:33:34 +00:00

503 lines
19 KiB
Plaintext

/*
* Copyright (c) 1996
* Silicon Graphics Computer Systems, Inc.
*
* 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. Silicon Graphics makes no
* representations about the suitability of this software for any
* purpose. It is provided "as is" without express or implied warranty.
*
*
* 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.
*
*/
/* NOTE: This is an internal header file, included by other STL headers.
* You should not attempt to use it directly.
*/
#ifndef __SGI_STL_INTERNAL_HASH_SET_H
#define __SGI_STL_INTERNAL_HASH_SET_H
#include <ext/stl_hashtable.h>
__STL_BEGIN_NAMESPACE
#if defined(__sgi) && !defined(__GNUC__) && (_MIPS_SIM != _MIPS_SIM_ABI32)
#pragma set woff 1174
#pragma set woff 1375
#endif
// Forward declaration of equality operator; needed for friend declaration.
template <class _Value,
class _HashFcn = hash<_Value>,
class _EqualKey = equal_to<_Value>,
class _Alloc = allocator<_Value> >
class hash_set;
template <class _Value, class _HashFcn, class _EqualKey, class _Alloc>
inline bool
operator==(const hash_set<_Value,_HashFcn,_EqualKey,_Alloc>& __hs1,
const hash_set<_Value,_HashFcn,_EqualKey,_Alloc>& __hs2);
template <class _Value, class _HashFcn, class _EqualKey, class _Alloc>
class hash_set
{
private:
typedef hashtable<_Value, _Value, _HashFcn, _Identity<_Value>,
_EqualKey, _Alloc> _Ht;
_Ht _M_ht;
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::const_pointer pointer;
typedef typename _Ht::const_pointer const_pointer;
typedef typename _Ht::const_reference reference;
typedef typename _Ht::const_reference const_reference;
typedef typename _Ht::const_iterator iterator;
typedef typename _Ht::const_iterator const_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(); }
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 __STL_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); }
template <class _InputIterator>
hash_set(_InputIterator __f, _InputIterator __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); }
#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 /*__STL_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(hash_set& __hs) { _M_ht.swap(__hs._M_ht); }
#ifdef __STL_MEMBER_TEMPLATES
template <class _Val, class _HF, class _EqK, class _Al>
friend bool operator== (const hash_set<_Val, _HF, _EqK, _Al>&,
const hash_set<_Val, _HF, _EqK, _Al>&);
#else /* __STL_MEMBER_TEMPLATES */
friend bool __STD_QUALIFIER
operator== __STL_NULL_TMPL_ARGS (const hash_set&, const hash_set&);
#endif /* __STL_MEMBER_TEMPLATES */
iterator begin() const { return _M_ht.begin(); }
iterator end() const { return _M_ht.end(); }
public:
pair<iterator, bool> insert(const value_type& __obj)
{
pair<typename _Ht::iterator, bool> __p = _M_ht.insert_unique(__obj);
return pair<iterator,bool>(__p.first, __p.second);
}
#ifdef __STL_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 /*__STL_MEMBER_TEMPLATES */
pair<iterator, bool> insert_noresize(const value_type& __obj)
{
pair<typename _Ht::iterator, bool> __p =
_M_ht.insert_unique_noresize(__obj);
return pair<iterator, bool>(__p.first, __p.second);
}
iterator find(const key_type& __key) const { return _M_ht.find(__key); }
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); }
};
template <class _Value, class _HashFcn, class _EqualKey, class _Alloc>
inline bool
operator==(const hash_set<_Value,_HashFcn,_EqualKey,_Alloc>& __hs1,
const hash_set<_Value,_HashFcn,_EqualKey,_Alloc>& __hs2)
{
return __hs1._M_ht == __hs2._M_ht;
}
#ifdef __STL_FUNCTION_TMPL_PARTIAL_ORDER
template <class _Value, class _HashFcn, class _EqualKey, class _Alloc>
inline bool
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
swap(hash_set<_Val,_HashFcn,_EqualKey,_Alloc>& __hs1,
hash_set<_Val,_HashFcn,_EqualKey,_Alloc>& __hs2)
{
__hs1.swap(__hs2);
}
#endif /* __STL_FUNCTION_TMPL_PARTIAL_ORDER */
template <class _Value,
class _HashFcn = hash<_Value>,
class _EqualKey = equal_to<_Value>,
class _Alloc = allocator<_Value> >
class hash_multiset;
template <class _Val, class _HashFcn, class _EqualKey, class _Alloc>
inline bool
operator==(const hash_multiset<_Val,_HashFcn,_EqualKey,_Alloc>& __hs1,
const hash_multiset<_Val,_HashFcn,_EqualKey,_Alloc>& __hs2);
template <class _Value, class _HashFcn, class _EqualKey, class _Alloc>
class hash_multiset
{
private:
typedef hashtable<_Value, _Value, _HashFcn, _Identity<_Value>,
_EqualKey, _Alloc> _Ht;
_Ht _M_ht;
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::const_pointer pointer;
typedef typename _Ht::const_pointer const_pointer;
typedef typename _Ht::const_reference reference;
typedef typename _Ht::const_reference const_reference;
typedef typename _Ht::const_iterator iterator;
typedef typename _Ht::const_iterator const_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(); }
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,
const allocator_type& __a = allocator_type())
: _M_ht(__n, __hf, __eql, __a) {}
#ifdef __STL_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); }
template <class _InputIterator>
hash_multiset(_InputIterator __f, _InputIterator __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); }
#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 /*__STL_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(hash_multiset& hs) { _M_ht.swap(hs._M_ht); }
#ifdef __STL_MEMBER_TEMPLATES
template <class _Val, class _HF, class _EqK, class _Al>
friend bool operator== (const hash_multiset<_Val, _HF, _EqK, _Al>&,
const hash_multiset<_Val, _HF, _EqK, _Al>&);
#else /* __STL_MEMBER_TEMPLATES */
friend bool __STD_QUALIFIER
operator== __STL_NULL_TMPL_ARGS (const hash_multiset&,const hash_multiset&);
#endif /* __STL_MEMBER_TEMPLATES */
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 __STL_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 /*__STL_MEMBER_TEMPLATES */
iterator insert_noresize(const value_type& __obj)
{ return _M_ht.insert_equal_noresize(__obj); }
iterator find(const key_type& __key) const { return _M_ht.find(__key); }
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); }
};
template <class _Val, class _HashFcn, class _EqualKey, class _Alloc>
inline bool
operator==(const hash_multiset<_Val,_HashFcn,_EqualKey,_Alloc>& __hs1,
const hash_multiset<_Val,_HashFcn,_EqualKey,_Alloc>& __hs2)
{
return __hs1._M_ht == __hs2._M_ht;
}
#ifdef __STL_FUNCTION_TMPL_PARTIAL_ORDER
template <class _Val, class _HashFcn, class _EqualKey, class _Alloc>
inline bool
operator!=(const hash_multiset<_Val,_HashFcn,_EqualKey,_Alloc>& __hs1,
const hash_multiset<_Val,_HashFcn,_EqualKey,_Alloc>& __hs2) {
return !(__hs1 == __hs2);
}
template <class _Val, class _HashFcn, class _EqualKey, class _Alloc>
inline void
swap(hash_multiset<_Val,_HashFcn,_EqualKey,_Alloc>& __hs1,
hash_multiset<_Val,_HashFcn,_EqualKey,_Alloc>& __hs2) {
__hs1.swap(__hs2);
}
#endif /* __STL_FUNCTION_TMPL_PARTIAL_ORDER */
// Specialization of insert_iterator so that it will work for hash_set
// and hash_multiset.
#ifdef __STL_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& __value) {
container->insert(__value);
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& __value) {
container->insert(__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_HASH_SET_H */
// Local Variables:
// mode:C++
// End: