gcc/libstdc++-v3/include/ext/hash_set
Phil Edwards 30a20a1ee0 New concept checking implementation.
2001-04-02  Phil Edwards  <pme@sources.redhat.com>

	New concept checking implementation.
	* docs/html/19_diagnostics/howto.html:  Document.
	* docs/html/17_intro/concept_check.diff:  New file, for reference.
	* include/bits/boost_concept_check.h:  New file from Boost.
	* include/bits/c++config:  Update comments.

	* include/bits/concept_check.h:  New file.
	* include/bits/concept_checks.h:  Removed.
	* include/bits/container_concepts.h:  Removed.
	* include/bits/sequence_concepts.h:  Removed.
	* include/bits/stl_iterator_base.h:  Removed; split into...
	* include/bits/stl_iterator_base_funcs.h:  ...this new file...
	* include/bits/stl_iterator_base_types.h:  ...and this new file.

	* include/bits/sbuf_iter.h:  Update to use new implementation.
	* include/bits/std_iterator.h:  Likewise.
	* include/bits/std_memory.h:  Likewise.
	* include/bits/stl_algo.h:  Likewise.
	* include/bits/stl_algobase.h:  Likewise.
	* include/bits/stl_construct.h:  Likewise.
	* include/bits/stl_deque.h:  Likewise.
	* include/bits/stl_heap.h:  Likewise.
	* include/bits/stl_list.h:  Likewise.
	* include/bits/stl_map.h:  Likewise.
	* include/bits/stl_multimap.h:  Likewise.
	* include/bits/stl_multiset.h:  Likewise.
	* include/bits/stl_numeric.h:  Likewise.
	* include/bits/stl_queue.h:  Likewise.
	* include/bits/stl_set.h:  Likewise.
	* include/bits/stl_stack.h:  Likewise.
	* include/bits/stl_uninitialized.h:  Likewise.
	* include/bits/stl_vector.h:  Likewise.
	* include/ext/hash_map:  Likewise.
	* include/ext/hash_set:  Likewise.
	* include/ext/slist:  Likewise.
	* include/ext/stl_hashtable.h:  Likewise.

	* src/Makefile.am (base_headers):  Update list of headers.
	* Makefile.in:  Regenerated.
	* src/Makefile.in:  Regenerated.
	* libio/Makefile.in:  Regenerated.
	* libmath/Makefile.in:  Regenerated.
	* libsupc++/Makefile.in:  Regenerated.
	* testsuite/Makefile.in:  Regenerated.

	* docs/html/install.html:  Update contact information.
	* docs/html/17_intro/howto.html:  Ditto.
	* docs/html/18_support/howto.html:  Ditto.
	* docs/html/20_util/howto.html:  Ditto.
	* docs/html/21_strings/howto.html:  Ditto.
	* docs/html/22_locale/howto.html:  Ditto.
	* docs/html/23_containers/howto.html:  Ditto.
	* docs/html/24_iterators/howto.html:  Ditto.
	* docs/html/25_algorithms/howto.html:  Ditto.
	* docs/html/26_numerics/howto.html:  Ditto.
	* docs/html/27_io/howto.html:  Ditto.
	* docs/html/faq/index.html:  Ditto, plus info on new checking code.
	* docs/html/ext/howto.html:  Ditto, plus info on new checking code.
	* docs/html/faq/index.txt:  Regenerated.

From-SVN: r41031
2001-04-03 00:26:58 +00:00

397 lines
14 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>
#include <bits/concept_check.h>
namespace std
{
// 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
{
// concept requirements
glibcpp_class_requires(_Value, SGIAssignableConcept);
glibcpp_class_requires3(_HashFcn, size_t, _Value, UnaryFunctionConcept);
glibcpp_class_requires3(_EqualKey, _Value, _Value, BinaryPredicateConcept);
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) {}
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); }
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); }
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>&);
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);
}
template <class _InputIterator>
void insert(_InputIterator __f, _InputIterator __l)
{ _M_ht.insert_unique(__f,__l); }
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;
}
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);
}
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
{
// concept requirements
glibcpp_class_requires(_Value, SGIAssignableConcept);
glibcpp_class_requires3(_HashFcn, size_t, _Value, UnaryFunctionConcept);
glibcpp_class_requires3(_EqualKey, _Value, _Value, BinaryPredicateConcept);
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) {}
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); }
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); }
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>&);
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); }
template <class _InputIterator>
void insert(_InputIterator __f, _InputIterator __l)
{ _M_ht.insert_equal(__f,__l); }
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;
}
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);
}
// Specialization of insert_iterator so that it will work for hash_set
// and hash_multiset.
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; }
};
} // namespace std
#endif /* __SGI_STL_INTERNAL_HASH_SET_H */
// Local Variables:
// mode:C++
// End: