/*

 *

 * 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_MAP_H

#define _STLP_INTERNAL_HASH_MAP_H

#ifndef _STLP_INTERNAL_HASHTABLE_H

# include <stl/_hashtable.h>

#endif

_STLP_BEGIN_NAMESPACE

# define  hash_map      __WORKAROUND_RENAME(hash_map)

# define  hash_multimap __WORKAROUND_RENAME(hash_multimap)

#  define _STLP_KEY_PAIR pair< const _Key, _Tp >

#  define _STLP_HASHTABLE hashtable \

      < pair < const _Key, _Tp >, _Key, _HashFcn, \

      _STLP_SELECT1ST( _STLP_KEY_PAIR,  _Key ), _EqualKey, _Alloc >

template <class _Key, class _Tp, __DFL_TMPL_PARAM(_HashFcn,hash<_Key>),

          __DFL_TMPL_PARAM(_EqualKey,equal_to<_Key>),

          _STLP_DEFAULT_PAIR_ALLOCATOR_SELECT(const _Key, _Tp) >

class hash_map

{

private:

  typedef _STLP_HASHTABLE _Ht;

  typedef hash_map<_Key, _Tp, _HashFcn, _EqualKey, _Alloc> _Self;

public:

  typedef typename _Ht::key_type key_type;

  typedef _Tp data_type;

  typedef _Tp mapped_type;

  typedef typename _Ht::value_type _value_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::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(); }

private:

  _Ht _M_ht;

public:

  hash_map() : _M_ht(100, hasher(), key_equal(), allocator_type()) {

    _STLP_POP_IF_CHECK

  }

  explicit hash_map(size_type __n)

    : _M_ht(__n, hasher(), key_equal(), allocator_type()) {

    _STLP_POP_IF_CHECK

  }

# ifdef _STLP_USE_TRAP_LEAVE

  hash_map(const _Self& __o) :

    _M_ht(__o.size())

  {

    _STLP_PUSH_CLEANUP_ITEM(_Self, this)

    _M_ht = __o._M_ht; 

    _STLP_POP_CLEANUP_ITEM

  }

# else

  hash_map(const _Self& __o)

    : _M_ht(__o._M_ht) {

  }

# endif

  hash_map(size_type __n, const hasher& __hf)

    : _M_ht(__n, __hf, key_equal(), allocator_type()) {

    _STLP_POP_IF_CHECK

  }

  hash_map(size_type __n, const hasher& __hf, const key_equal& __eql,

           const allocator_type& __a = allocator_type())

    : _M_ht(__n, __hf, __eql, __a) {

    _STLP_POP_IF_CHECK

  }

#ifdef _STLP_MEMBER_TEMPLATES

  template <class _InputIterator>

  hash_map(_InputIterator __f, _InputIterator __l)

    : _M_ht(100, hasher(), key_equal(), allocator_type())

  { 

    _STLP_PUSH_CLEANUP_ITEM(_Self, this)

    _M_ht.insert_unique(__f, __l); 

    _STLP_POP_CLEANUP_ITEM

  }

  template <class _InputIterator>

  hash_map(_InputIterator __f, _InputIterator __l, size_type __n)

    : _M_ht(__n, hasher(), key_equal(), allocator_type())

    { 

      _STLP_PUSH_CLEANUP_ITEM(_Self, this)

      _M_ht.insert_unique(__f, __l); 

      _STLP_POP_CLEANUP_ITEM

    }

  template <class _InputIterator>

  hash_map(_InputIterator __f, _InputIterator __l, size_type __n,

           const hasher& __hf)

    : _M_ht(__n, __hf, key_equal(), allocator_type())

    { 

      _STLP_PUSH_CLEANUP_ITEM(_Self, this)

      _M_ht.insert_unique(__f, __l); 

      _STLP_POP_CLEANUP_ITEM

    }

# ifdef _STLP_NEEDS_EXTRA_TEMPLATE_CONSTRUCTORS

  template <class _InputIterator>

  hash_map(_InputIterator __f, _InputIterator __l, size_type __n,

           const hasher& __hf, const key_equal& __eql)

    : _M_ht(__n, __hf, __eql, allocator_type())

    { 

      _STLP_PUSH_CLEANUP_ITEM(_Self, this)

      _M_ht.insert_unique(__f, __l); 

      _STLP_POP_CLEANUP_ITEM

    }

# endif

  template <class _InputIterator>

  hash_map(_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)

    { 

      _STLP_PUSH_CLEANUP_ITEM(_Self, this)

      _M_ht.insert_unique(__f, __l); 

      _STLP_POP_CLEANUP_ITEM

    }

#else

  hash_map(const value_type* __f, const value_type* __l)

    : _M_ht(100, hasher(), key_equal(), allocator_type())

    { 

      _STLP_PUSH_CLEANUP_ITEM(_Self, this)

      _M_ht.insert_unique(__f, __l); 

      _STLP_POP_CLEANUP_ITEM

    }

  hash_map(const value_type* __f, const value_type* __l, size_type __n)

    : _M_ht(__n, hasher(), key_equal(), allocator_type())

    { 

      _STLP_PUSH_CLEANUP_ITEM(_Self, this)

      _M_ht.insert_unique(__f, __l);

      _STLP_POP_CLEANUP_ITEM

    }

  hash_map(const value_type* __f, const value_type* __l, size_type __n,

           const hasher& __hf)

    : _M_ht(__n, __hf, key_equal(), allocator_type())

    { 

      _STLP_PUSH_CLEANUP_ITEM(_Self, this)

      _M_ht.insert_unique(__f, __l); 

      _STLP_POP_CLEANUP_ITEM

    }

  hash_map(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)

    { 

      _STLP_PUSH_CLEANUP_ITEM(_Self, this)

      _M_ht.insert_unique(__f, __l); 

      _STLP_POP_CLEANUP_ITEM

    }

  hash_map(const_iterator __f, const_iterator __l)

    : _M_ht(100, hasher(), key_equal(), allocator_type())

    { 

      _STLP_PUSH_CLEANUP_ITEM(_Self, this)

      _M_ht.insert_unique(__f, __l); 

      _STLP_POP_CLEANUP_ITEM

    }

  hash_map(const_iterator __f, const_iterator __l, size_type __n)

    : _M_ht(__n, hasher(), key_equal(), allocator_type())

    { 

      _STLP_PUSH_CLEANUP_ITEM(_Self, this)

      _M_ht.insert_unique(__f, __l); 

      _STLP_POP_CLEANUP_ITEM

    }

  hash_map(const_iterator __f, const_iterator __l, size_type __n,

           const hasher& __hf)

    : _M_ht(__n, __hf, key_equal(), allocator_type())

    { 

      _STLP_PUSH_CLEANUP_ITEM(_Self, this)

      _M_ht.insert_unique(__f, __l); 

      _STLP_POP_CLEANUP_ITEM

    }

  hash_map(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)

    { 

      _STLP_PUSH_CLEANUP_ITEM(_Self, this)

      _M_ht.insert_unique(__f, __l); 

      _STLP_POP_CLEANUP_ITEM

    }

#endif /*_STLP_MEMBER_TEMPLATES */

#ifdef _STLP_USE_TRAP_LEAVE

public:

  static void* operator new (size_t __n, TLeave) { return _STLP_StackHelper<bool>::_NewLC(__n); }

  static void* operator new (size_t __n) { return _STLP_StackHelper<bool>::_NewLC(__n); }

#endif

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() { return _M_ht.begin(); }

  iterator end() { return _M_ht.end(); }

  const_iterator begin() const { return _M_ht.begin(); }

  const_iterator end() const { return _M_ht.end(); }

public:

  pair<iterator,bool> insert(const value_type& __obj)

    { return _M_ht.insert_unique(__obj); }

#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)

    { return _M_ht.insert_unique_noresize(__obj); }    

  iterator find(const key_type& __key) { return _M_ht.find(__key); }

  const_iterator find(const key_type& __key) const { return _M_ht.find(__key); }

  _Tp& operator[](const key_type& __key) {

    iterator __it = _M_ht.find(__key);

    if (__it != _M_ht.end()) {

      return (*__it).second ;

    } else {

      value_type __tmp(__key, __false_type());

      _STLP_PUSH_STACK_ITEM(value_type, &__tmp)

      return _M_ht._M_insert(__tmp).second;

    }

  }

  size_type count(const key_type& __key) const { return _M_ht.count(__key); }

  pair<iterator, iterator> equal_range(const key_type& __key)

    { return _M_ht.equal_range(__key); }

  pair<const_iterator, const_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(); }

  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 _Key, class _Tp, __DFL_TMPL_PARAM(_HashFcn,hash<_Key>),

          __DFL_TMPL_PARAM(_EqualKey,equal_to<_Key>),

          _STLP_DEFAULT_PAIR_ALLOCATOR_SELECT(const _Key, _Tp) >

class hash_multimap

{

private:

  typedef _STLP_HASHTABLE _Ht;

  typedef hash_multimap<_Key, _Tp, _HashFcn, _EqualKey, _Alloc> _Self;

public:

  typedef typename _Ht::key_type key_type;

  typedef _Tp data_type;

  typedef _Tp mapped_type;

  typedef typename _Ht::value_type _value_type;

  typedef _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::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(); }

private:

  _Ht _M_ht;

public:

  hash_multimap() : _M_ht(100, hasher(), key_equal(), allocator_type()) {

    _STLP_POP_IF_CHECK

  }

# ifdef _STLP_USE_TRAP_LEAVE

  hash_multimap(const _Self& __o) :

    _M_ht(__o.size())

  {

    _STLP_PUSH_CLEANUP_ITEM(_Self, this)

    _M_ht = __o._M_ht; 

    _STLP_POP_CLEANUP_ITEM

  }

# else

  hash_multimap(const _Self& __o)

    : _M_ht(__o._M_ht) {

  }

# endif

  explicit hash_multimap(size_type __n)

    : _M_ht(__n, hasher(), key_equal(), allocator_type()) {

    _STLP_POP_IF_CHECK

  }

  hash_multimap(size_type __n, const hasher& __hf)

    : _M_ht(__n, __hf, key_equal(), allocator_type()) {

    _STLP_POP_IF_CHECK

  }

  hash_multimap(size_type __n, const hasher& __hf, const key_equal& __eql,

                const allocator_type& __a = allocator_type())

    : _M_ht(__n, __hf, __eql, __a) {

    _STLP_POP_IF_CHECK

  }

#ifdef _STLP_MEMBER_TEMPLATES

  template <class _InputIterator>

  hash_multimap(_InputIterator __f, _InputIterator __l)

    : _M_ht(100, hasher(), key_equal(), allocator_type())

  { 

    _STLP_PUSH_CLEANUP_ITEM(_Self, this)

      _M_ht.insert_equal(__f, __l); 

    _STLP_POP_CLEANUP_ITEM

  }

  template <class _InputIterator>

  hash_multimap(_InputIterator __f, _InputIterator __l, size_type __n)

    : _M_ht(__n, hasher(), key_equal(), allocator_type())

    {

      _STLP_PUSH_CLEANUP_ITEM(_Self, this)

      _M_ht.insert_equal(__f, __l); 

      _STLP_POP_CLEANUP_ITEM

    }

  template <class _InputIterator>

  hash_multimap(_InputIterator __f, _InputIterator __l, size_type __n,

                const hasher& __hf)

    : _M_ht(__n, __hf, key_equal(), allocator_type())

    { 

      _STLP_PUSH_CLEANUP_ITEM(_Self, this)

      _M_ht.insert_equal(__f, __l); 

      _STLP_POP_CLEANUP_ITEM

    }

# ifdef _STLP_NEEDS_EXTRA_TEMPLATE_CONSTRUCTORS

  template <class _InputIterator>

  hash_multimap(_InputIterator __f, _InputIterator __l, size_type __n,

                const hasher& __hf, const key_equal& __eql)

    : _M_ht(__n, __hf, __eql, allocator_type())

    { 

      _STLP_PUSH_CLEANUP_ITEM(_Self, this)

      _M_ht.insert_equal(__f, __l); 

      _STLP_POP_CLEANUP_ITEM

    }

#  endif

  template <class _InputIterator>

  hash_multimap(_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)

    { 

      _STLP_PUSH_CLEANUP_ITEM(_Self, this)

      _M_ht.insert_equal(__f, __l); 

      _STLP_POP_CLEANUP_ITEM

    }

#else

  hash_multimap(const value_type* __f, const value_type* __l)

    : _M_ht(100, hasher(), key_equal(), allocator_type())

    { 

      _STLP_PUSH_CLEANUP_ITEM(_Self, this)

      _M_ht.insert_equal(__f, __l); 

      _STLP_POP_CLEANUP_ITEM

    }

  hash_multimap(const value_type* __f, const value_type* __l, size_type __n)

    : _M_ht(__n, hasher(), key_equal(), allocator_type())

    { 

      _STLP_PUSH_CLEANUP_ITEM(_Self, this)

      _M_ht.insert_equal(__f, __l); 

      _STLP_POP_CLEANUP_ITEM

    }

  hash_multimap(const value_type* __f, const value_type* __l, size_type __n,

                const hasher& __hf)

    : _M_ht(__n, __hf, key_equal(), allocator_type())

    { 

      _STLP_PUSH_CLEANUP_ITEM(_Self, this)

      _M_ht.insert_equal(__f, __l); 

      _STLP_POP_CLEANUP_ITEM

    }

  hash_multimap(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)

    { 

      _STLP_PUSH_CLEANUP_ITEM(_Self, this)

      _M_ht.insert_equal(__f, __l); 

      _STLP_POP_CLEANUP_ITEM

    }

  hash_multimap(const_iterator __f, const_iterator __l)

    : _M_ht(100, hasher(), key_equal(), allocator_type())

    { 

      _STLP_PUSH_CLEANUP_ITEM(_Self, this)

      _M_ht.insert_equal(__f, __l); 

      _STLP_POP_CLEANUP_ITEM

    }

  hash_multimap(const_iterator __f, const_iterator __l, size_type __n)

    : _M_ht(__n, hasher(), key_equal(), allocator_type())

    { 

      _STLP_PUSH_CLEANUP_ITEM(_Self, this)

      _M_ht.insert_equal(__f, __l); 

      _STLP_POP_CLEANUP_ITEM

    }

  hash_multimap(const_iterator __f, const_iterator __l, size_type __n,

                const hasher& __hf)

    : _M_ht(__n, __hf, key_equal(), allocator_type())

    { 

      _STLP_PUSH_CLEANUP_ITEM(_Self, this)

      _M_ht.insert_equal(__f, __l); 

      _STLP_POP_CLEANUP_ITEM

    }

  hash_multimap(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)

    { 

      _STLP_PUSH_CLEANUP_ITEM(_Self, this)

      _M_ht.insert_equal(__f, __l); 

      _STLP_POP_CLEANUP_ITEM

    }

#endif /*_STLP_MEMBER_TEMPLATES */

#ifdef _STLP_USE_TRAP_LEAVE

public:

  static void* operator new (size_t __n, TLeave) { return _STLP_StackHelper<bool>::_NewLC(__n); }

  static void* operator new (size_t __n) { return _STLP_StackHelper<bool>::_NewLC(__n); }

#endif

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() { return _M_ht.begin(); }

  iterator end() { return _M_ht.end(); }