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// Debugging hash_multiset implementation -*- C++ -*-

// Copyright (C) 2003

// Free Software Foundation, Inc.

//

// This file is part of the GNU ISO C++ Library.  This library is free

// software; you can redistribute it and/or modify it under the

// terms of the GNU General Public License as published by the

// Free Software Foundation; either version 2, or (at your option)

// any later version.

// This library is distributed in the hope that it will be useful,

// but WITHOUT ANY WARRANTY; without even the implied warranty of

// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

// GNU General Public License for more details.

// You should have received a copy of the GNU General Public License along

// with this library; see the file COPYING.  If not, write to the Free

// Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,

// USA.

// As a special exception, you may use this file as part of a free software

// library without restriction.  Specifically, if other files instantiate

// templates or use macros or inline functions from this file, or you compile

// this file and link it with other files to produce an executable, this

// file does not by itself cause the resulting executable to be covered by

// the GNU General Public License.  This exception does not however

// invalidate any other reasons why the executable file might be covered by

// the GNU General Public License.

#ifndef _GLIBCXX_DEBUG_HASH_MULTISET_H

#define _GLIBCXX_DEBUG_HASH_MULTISET_H 1

#include <debug/safe_sequence.h>

#include <debug/safe_iterator.h>

namespace __gnu_debug_def

{

  template<typename _Value,

           typename _HashFcn  = __gnu_cxx::hash<_Value>,

           typename _EqualKey = std::equal_to<_Value>,

           typename _Alloc =  std::allocator<_Value> >

    class hash_multiset

    : public __gnu_cxx::hash_multiset<_Value, _HashFcn, _EqualKey, _Alloc>,

      public __gnu_debug::_Safe_sequence<hash_multiset<_Value, _HashFcn,

                                                       _EqualKey, _Alloc> >

    {

      typedef __gnu_cxx:: hash_multiset<_Value,_HashFcn, _EqualKey,_Alloc>

                                                        _Base;

      typedef __gnu_debug::_Safe_sequence<hash_multiset> _Safe_base;

  public:

    typedef typename _Base::key_type                    key_type;

    typedef typename _Base::value_type                  value_type;

    typedef typename _Base::hasher                      hasher;

    typedef typename _Base::key_equal                   key_equal;

    typedef typename _Base::size_type                   size_type;

    typedef typename _Base::difference_type             difference_type;

    typedef typename _Base::pointer                     pointer;

    typedef typename _Base::const_pointer               const_pointer;

    typedef typename _Base::reference                   reference;

    typedef typename _Base::const_reference             const_reference;

    typedef __gnu_debug::_Safe_iterator<typename _Base::iterator,

                                         hash_multiset> iterator;

    typedef __gnu_debug::_Safe_iterator<typename _Base::const_iterator,

                                         hash_multiset> const_iterator;

    typedef typename _Base::allocator_type              allocator_type;

    using _Base::hash_funct;

    using _Base::key_eq;

    using _Base::get_allocator;

    hash_multiset() { }

    explicit hash_multiset(size_type __n) : _Base(__n) { }

    hash_multiset(size_type __n, const hasher& __hf) : _Base(__n, __hf) { }

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

                  const allocator_type& __a = allocator_type())

    : _Base(__n, __hf, __eql, __a)

    { }

    template<typename _InputIterator>

      hash_multiset(_InputIterator __f, _InputIterator __l)

      : _Base(__gnu_debug::__check_valid_range(__f, __l), __l)

      { }

    template<typename _InputIterator>

      hash_multiset(_InputIterator __f, _InputIterator __l, size_type __n)

      : _Base(__gnu_debug::__check_valid_range(__f, __l), __l, __n)

      { }

    template<typename _InputIterator>

      hash_multiset(_InputIterator __f, _InputIterator __l, size_type __n,

                    const hasher& __hf)

      : _Base(__gnu_debug::__check_valid_range(__f, __l), __l, __n, __hf)

      { }

    template<typename _InputIterator>

      hash_multiset(_InputIterator __f, _InputIterator __l, size_type __n,

                    const hasher& __hf, const key_equal& __eql,

                    const allocator_type& __a = allocator_type())

      : _Base(__gnu_debug::__check_valid_range(__f, __l), __l, __n, __hf,

              __eql, __a)

      { }

    hash_multiset(const _Base& __x) : _Base(__x), _Safe_base() { }

    using _Base::size;

    using _Base::max_size;

    using _Base::empty;

    void

    swap(hash_multiset& __x)

    {

      _Base::swap(__x);

      this->_M_swap(__x);

    }

    iterator begin() const { return iterator(_Base::begin(), this); }

    iterator end() const   { return iterator(_Base::end(),   this); }

    iterator

    insert(const value_type& __obj)

    { return iterator(_Base::insert(__obj), this); }

    template <typename _InputIterator>

      void

      insert(_InputIterator __first, _InputIterator __last)

      {

        __glibcxx_check_valid_range(__first, __last);

        _Base::insert(__first.base(), __last.base());

      }

    iterator

    insert_noresize(const value_type& __obj)

    { return iterator(_Base::insert_noresize(__obj), this); }

    iterator

    find(const key_type& __key) const

    { return iterator(_Base::find(__key), this); }

    using _Base::count;

    std::pair<iterator, iterator>

    equal_range(const key_type& __key) const

    {

      typedef typename _Base::iterator _Base_iterator;

      std::pair<_Base_iterator, _Base_iterator> __res =

        _Base::equal_range(__key);

      return std::make_pair(iterator(__res.first, this),

                            iterator(__res.second, this));

    }

    size_type

    erase(const key_type& __key)

    {

      size_type __count = 0;

      std::pair<iterator, iterator> __victims = this->equal_range(__key);

      while (__victims.first != __victims.second)

        {

          this->erase(__victims++);

          ++__count;

        }

      return __count;

    }

    void

    erase(iterator __it)

    {

      __glibcxx_check_erase(__it);

      __it._M_invalidate();

      _Base::erase(__it.base());

    }

    void

    erase(iterator __first, iterator __last)

    {

      __glibcxx_check_erase_range(__first, __last);

      for (iterator __tmp = __first; __tmp != __last;)

        {

          iterator __victim = __tmp++;

          __victim._M_invalidate();

        }

      _Base::erase(__first.base(), __last.base());

    }

    void

    clear()

    {

      _Base::clear();

      this->_M_invalidate_all();

    }

    using _Base::resize;

    using _Base::bucket_count;

    using _Base::max_bucket_count;

    using _Base::elems_in_bucket;

    _Base&       _M_base()       { return *this; }

    const _Base& _M_base() const { return *this; }

  private:

    void

    _M_invalidate_all()

    {

      typedef typename _Base::const_iterator _Base_const_iterator;

      typedef __gnu_debug::_Not_equal_to<_Base_const_iterator> _Not_equal;

      this->_M_invalidate_if(_Not_equal(_M_base().end()));

    }

  };

template<typename _Value, typename _HashFcn, typename _EqualKey, typename _Alloc>

  inline bool

  operator==(const hash_multiset<_Value, _HashFcn, _EqualKey, _Alloc>& __x,

             const hash_multiset<_Value, _HashFcn, _EqualKey, _Alloc>& __y)

  { return __x._M_base() == __y._M_base(); }

template<typename _Value, typename _HashFcn, typename _EqualKey, typename _Alloc>

  inline bool

  operator!=(const hash_multiset<_Value, _HashFcn, _EqualKey, _Alloc>& __x,

             const hash_multiset<_Value, _HashFcn, _EqualKey, _Alloc>& __y)

  { return __x._M_base() != __y._M_base(); }

template<typename _Value, typename _HashFcn, typename _EqualKey, typename _Alloc>

  inline void

  swap(hash_multiset<_Value, _HashFcn, _EqualKey, _Alloc>& __x,

       hash_multiset<_Value, _HashFcn, _EqualKey, _Alloc>& __y)

  { __x.swap(__y); }

} // namespace __gnu_debug_def

#endif