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// -*- C++ -*-

// Copyright (C) 2005, 2006, 2007, 2008, 2009 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/>.

// Copyright (C) 2004 Ami Tavory and Vladimir Dreizin, IBM-HRL.

// Permission to use, copy, modify, sell, and distribute this software

// is hereby granted without fee, provided that the above copyright

// notice appears in all copies, and that both that copyright notice

// and this permission notice appear in supporting documentation. None

// of the above authors, nor IBM Haifa Research Laboratories, make any

// representation about the suitability of this software for any

// purpose. It is provided "as is" without express or implied

// warranty.

/**

 * @file constructors_destructor_fn_imps.hpp

 * Contains an implementation class for binary_heap_.

 */

PB_DS_CLASS_T_DEC

typename PB_DS_CLASS_C_DEC::entry_allocator

PB_DS_CLASS_C_DEC::s_entry_allocator;

PB_DS_CLASS_T_DEC

typename PB_DS_CLASS_C_DEC::value_allocator

PB_DS_CLASS_C_DEC::s_value_allocator;

PB_DS_CLASS_T_DEC

typename PB_DS_CLASS_C_DEC::no_throw_copies_t

PB_DS_CLASS_C_DEC::s_no_throw_copies_ind;

PB_DS_CLASS_T_DEC

template<typename It>

void

PB_DS_CLASS_C_DEC::

copy_from_range(It first_it, It last_it)

{

  while (first_it != last_it)

    {

      insert_value(*first_it, s_no_throw_copies_ind);

      ++first_it;

    }

  std::make_heap(m_a_entries, m_a_entries + m_size, static_cast<entry_cmp& >(*this));

  _GLIBCXX_DEBUG_ONLY(assert_valid();)

}

PB_DS_CLASS_T_DEC

PB_DS_CLASS_C_DEC::

binary_heap_() :

  m_size(0),

  m_actual_size(resize_policy::min_size),

  m_a_entries(s_entry_allocator.allocate(m_actual_size))

{

  _GLIBCXX_DEBUG_ONLY(assert_valid();)

}

PB_DS_CLASS_T_DEC

PB_DS_CLASS_C_DEC::

binary_heap_(const Cmp_Fn& r_cmp_fn) :

  entry_cmp(r_cmp_fn),

  m_size(0),

  m_actual_size(resize_policy::min_size),

  m_a_entries(s_entry_allocator.allocate(m_actual_size))

{

  _GLIBCXX_DEBUG_ONLY(assert_valid();)

}

PB_DS_CLASS_T_DEC

PB_DS_CLASS_C_DEC::

binary_heap_(const PB_DS_CLASS_C_DEC& other) :

  entry_cmp(other),

  resize_policy(other),

  m_size(0),

  m_actual_size(other.m_actual_size),

  m_a_entries(s_entry_allocator.allocate(m_actual_size))

{

  _GLIBCXX_DEBUG_ONLY(other.assert_valid();)

  _GLIBCXX_DEBUG_ASSERT(m_a_entries != other.m_a_entries);

  const_iterator first_it = other.begin();

  const_iterator last_it = other.end();

  __try

    {

      while (first_it != last_it)

        {

          insert_value(*first_it, s_no_throw_copies_ind);

          ++first_it;

        }

    }

  __catch(...)

    {

      for (size_type i = 0; i < m_size; ++i)

        erase_at(m_a_entries, i, s_no_throw_copies_ind);

      s_entry_allocator.deallocate(m_a_entries, m_actual_size);

      __throw_exception_again;

    }

  _GLIBCXX_DEBUG_ONLY(assert_valid();)

}

PB_DS_CLASS_T_DEC

void

PB_DS_CLASS_C_DEC::

swap(PB_DS_CLASS_C_DEC& other)

{

  _GLIBCXX_DEBUG_ONLY(assert_valid();)

  _GLIBCXX_DEBUG_ONLY(other.assert_valid();)

  _GLIBCXX_DEBUG_ASSERT(m_a_entries != other.m_a_entries);

  value_swap(other);

  std::swap((entry_cmp& )(*this), (entry_cmp& )other);

  _GLIBCXX_DEBUG_ONLY(assert_valid();)

  _GLIBCXX_DEBUG_ONLY(other.assert_valid();)

}

PB_DS_CLASS_T_DEC

void

PB_DS_CLASS_C_DEC::

value_swap(PB_DS_CLASS_C_DEC& other)

{

  std::swap(m_a_entries, other.m_a_entries);

  std::swap(m_size, other.m_size);

  std::swap(m_actual_size, other.m_actual_size);

  static_cast<resize_policy*>(this)->swap(other);

}

PB_DS_CLASS_T_DEC

PB_DS_CLASS_C_DEC::

~binary_heap_()

{

  for (size_type i = 0; i < m_size; ++i)

    erase_at(m_a_entries, i, s_no_throw_copies_ind);

  s_entry_allocator.deallocate(m_a_entries, m_actual_size);

}