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// Profiling multiset implementation -*- C++ -*-

// Copyright (C) 2009, 2010, 2011 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 3, 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.

// Under Section 7 of GPL version 3, you are granted additional

// permissions described in the GCC Runtime Library Exception, version

// 3.1, as published by the Free Software Foundation.

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

// a copy of the GCC Runtime Library Exception along with this program;

// see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see

// <http://www.gnu.org/licenses/>.

/** @file profile/multiset.h

 *  This file is a GNU profile extension to the Standard C++ Library.

 */

#ifndef _GLIBCXX_PROFILE_MULTISET_H

#define _GLIBCXX_PROFILE_MULTISET_H 1

#include <utility>

namespace std _GLIBCXX_VISIBILITY(default)

{

namespace __profile

{

  /// Class std::multiset wrapper with performance instrumentation.

  template<typename _Key, typename _Compare = std::less<_Key>,

           typename _Allocator = std::allocator<_Key> >

    class multiset

    : public _GLIBCXX_STD_C::multiset<_Key, _Compare, _Allocator>

    {

      typedef _GLIBCXX_STD_C::multiset<_Key, _Compare, _Allocator> _Base;

    public:

      // types:

      typedef _Key                                   key_type;

      typedef _Key                                   value_type;

      typedef _Compare                               key_compare;

      typedef _Compare                               value_compare;

      typedef _Allocator                             allocator_type;

      typedef typename _Base::reference              reference;

      typedef typename _Base::const_reference        const_reference;

      typedef typename _Base::iterator               iterator;

      typedef typename _Base::const_iterator         const_iterator;

      typedef typename _Base::reverse_iterator       reverse_iterator;

      typedef typename _Base::const_reverse_iterator const_reverse_iterator;

      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;

      // 23.3.3.1 construct/copy/destroy:

      explicit multiset(const _Compare& __comp = _Compare(),

                        const _Allocator& __a = _Allocator())

      : _Base(__comp, __a) { }

      template<typename _InputIterator>

        multiset(_InputIterator __first, _InputIterator __last,

                 const _Compare& __comp = _Compare(),

                 const _Allocator& __a = _Allocator())

        : _Base(__first, __last, __comp, __a) { }

      multiset(const multiset& __x)

      : _Base(__x) { }

      multiset(const _Base& __x)

      : _Base(__x) { }

#ifdef __GXX_EXPERIMENTAL_CXX0X__

      multiset(multiset&& __x)

      noexcept(is_nothrow_copy_constructible<_Compare>::value)

      : _Base(std::move(__x))

      { }

      multiset(initializer_list<value_type> __l,

               const _Compare& __comp = _Compare(),

               const allocator_type& __a = allocator_type())

      : _Base(__l, __comp, __a) { }

#endif

      ~multiset() _GLIBCXX_NOEXCEPT { }

      multiset&

      operator=(const multiset& __x)

      {

        *static_cast<_Base*>(this) = __x;

        return *this;

      }

#ifdef __GXX_EXPERIMENTAL_CXX0X__

      multiset&

      operator=(multiset&& __x)

      {

        // NB: DR 1204.

        // NB: DR 675.

        this->clear();

        this->swap(__x);

        return *this;

      }

      multiset&

      operator=(initializer_list<value_type> __l)

      {

        this->clear();

        this->insert(__l);

        return *this;

      }

#endif

      using _Base::get_allocator;

      // iterators:

      iterator

      begin() _GLIBCXX_NOEXCEPT

      { return iterator(_Base::begin()); }

      const_iterator

      begin() const _GLIBCXX_NOEXCEPT

      { return const_iterator(_Base::begin()); }

      iterator

      end() _GLIBCXX_NOEXCEPT

      { return iterator(_Base::end()); }

      const_iterator

      end() const _GLIBCXX_NOEXCEPT

      { return const_iterator(_Base::end()); }

      reverse_iterator

      rbegin() _GLIBCXX_NOEXCEPT

      { return reverse_iterator(end()); }

      const_reverse_iterator

      rbegin() const _GLIBCXX_NOEXCEPT

      { return const_reverse_iterator(end()); }

      reverse_iterator

      rend() _GLIBCXX_NOEXCEPT

      { return reverse_iterator(begin()); }

      const_reverse_iterator

      rend() const _GLIBCXX_NOEXCEPT

      { return const_reverse_iterator(begin()); }

#ifdef __GXX_EXPERIMENTAL_CXX0X__

      const_iterator

      cbegin() const noexcept

      { return const_iterator(_Base::begin()); }

      const_iterator

      cend() const noexcept

      { return const_iterator(_Base::end()); }

      const_reverse_iterator

      crbegin() const noexcept

      { return const_reverse_iterator(end()); }

      const_reverse_iterator

      crend() const noexcept

      { return const_reverse_iterator(begin()); }

#endif

      // capacity:

      using _Base::empty;

      using _Base::size;

      using _Base::max_size;

      // modifiers:

      iterator

      insert(const value_type& __x)

      { return iterator(_Base::insert(__x)); }

#ifdef __GXX_EXPERIMENTAL_CXX0X__

      iterator

      insert(value_type&& __x)

      { return iterator(_Base::insert(std::move(__x))); }

#endif

      iterator

      insert(const_iterator __position, const value_type& __x)

      { return iterator(_Base::insert(__position, __x)); }

#ifdef __GXX_EXPERIMENTAL_CXX0X__

      iterator

      insert(const_iterator __position, value_type&& __x)

      { return iterator(_Base::insert(__position, std::move(__x))); }

#endif

      template<typename _InputIterator>

        void

        insert(_InputIterator __first, _InputIterator __last)

        { _Base::insert(__first, __last); }

#ifdef __GXX_EXPERIMENTAL_CXX0X__

      void

      insert(initializer_list<value_type> __l)

      { _Base::insert(__l); }

#endif

#ifdef __GXX_EXPERIMENTAL_CXX0X__

      iterator

      erase(const_iterator __position)

      { return iterator(_Base::erase(__position)); }

#else

      void

      erase(iterator __position)

      { _Base::erase(__position); }

#endif

      size_type

      erase(const key_type& __x)

      {

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

        size_type __count = 0;

        while (__victims.first != __victims.second)

        {

          iterator __victim = __victims.first++;

          _Base::erase(__victim);

          ++__count;

        }

        return __count;

      }

#ifdef __GXX_EXPERIMENTAL_CXX0X__

      iterator

      erase(const_iterator __first, const_iterator __last)

      { return iterator(_Base::erase(__first, __last)); }

#else

      void

      erase(iterator __first, iterator __last)

      { _Base::erase(__first, __last); }

#endif

      void

      swap(multiset& __x)

      { _Base::swap(__x); }

      void

      clear() _GLIBCXX_NOEXCEPT

      { this->erase(begin(), end()); }

      // observers:

      using _Base::key_comp;

      using _Base::value_comp;

      // multiset operations:

      iterator

      find(const key_type& __x)

      { return iterator(_Base::find(__x)); }

      // _GLIBCXX_RESOLVE_LIB_DEFECTS

      // 214. set::find() missing const overload

      const_iterator

      find(const key_type& __x) const

      { return const_iterator(_Base::find(__x)); }

      using _Base::count;

      iterator

      lower_bound(const key_type& __x)

      { return iterator(_Base::lower_bound(__x)); }

      // _GLIBCXX_RESOLVE_LIB_DEFECTS

      // 214. set::find() missing const overload

      const_iterator

      lower_bound(const key_type& __x) const

      { return const_iterator(_Base::lower_bound(__x)); }

      iterator

      upper_bound(const key_type& __x)

      { return iterator(_Base::upper_bound(__x)); }

      // _GLIBCXX_RESOLVE_LIB_DEFECTS

      // 214. set::find() missing const overload

      const_iterator

      upper_bound(const key_type& __x) const

      { return const_iterator(_Base::upper_bound(__x)); }

      std::pair<iterator,iterator>

      equal_range(const key_type& __x)

      {

        typedef typename _Base::iterator _Base_iterator;

        std::pair<_Base_iterator, _Base_iterator> __res =

        _Base::equal_range(__x);

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

                              iterator(__res.second));

      }

      // _GLIBCXX_RESOLVE_LIB_DEFECTS

      // 214. set::find() missing const overload

      std::pair<const_iterator,const_iterator>

      equal_range(const key_type& __x) const

      {

        typedef typename _Base::const_iterator _Base_iterator;

        std::pair<_Base_iterator, _Base_iterator> __res =

        _Base::equal_range(__x);

        return std::make_pair(const_iterator(__res.first),

                              const_iterator(__res.second));

      }

      _Base&

      _M_base() _GLIBCXX_NOEXCEPT       { return *this; }

      const _Base&

      _M_base() const _GLIBCXX_NOEXCEPT { return *this; }

    };

  template<typename _Key, typename _Compare, typename _Allocator>

    inline bool

    operator==(const multiset<_Key, _Compare, _Allocator>& __lhs,

               const multiset<_Key, _Compare, _Allocator>& __rhs)

    { return __lhs._M_base() == __rhs._M_base(); }

  template<typename _Key, typename _Compare, typename _Allocator>

    inline bool

    operator!=(const multiset<_Key, _Compare, _Allocator>& __lhs,

               const multiset<_Key, _Compare, _Allocator>& __rhs)

    { return __lhs._M_base() != __rhs._M_base(); }

  template<typename _Key, typename _Compare, typename _Allocator>

    inline bool

    operator<(const multiset<_Key, _Compare, _Allocator>& __lhs,

              const multiset<_Key, _Compare, _Allocator>& __rhs)

    { return __lhs._M_base() < __rhs._M_base(); }

  template<typename _Key, typename _Compare, typename _Allocator>

    inline bool

    operator<=(const multiset<_Key, _Compare, _Allocator>& __lhs,

               const multiset<_Key, _Compare, _Allocator>& __rhs)

    { return __lhs._M_base() <= __rhs._M_base(); }

  template<typename _Key, typename _Compare, typename _Allocator>

    inline bool

    operator>=(const multiset<_Key, _Compare, _Allocator>& __lhs,

               const multiset<_Key, _Compare, _Allocator>& __rhs)

    { return __lhs._M_base() >= __rhs._M_base(); }

  template<typename _Key, typename _Compare, typename _Allocator>

    inline bool

    operator>(const multiset<_Key, _Compare, _Allocator>& __lhs,

              const multiset<_Key, _Compare, _Allocator>& __rhs)

    { return __lhs._M_base() > __rhs._M_base(); }

  template<typename _Key, typename _Compare, typename _Allocator>

    void

    swap(multiset<_Key, _Compare, _Allocator>& __x,

         multiset<_Key, _Compare, _Allocator>& __y)

    { return __x.swap(__y); }

} // namespace __profile

} // namespace std

#endif