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// -*- C++ -*-

// Copyright (C) 2005 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.

// 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 erase_fn_imps.hpp

 * Contains implementations of lu_map_.

 */

PB_ASSOC_CLASS_T_DEC

inline typename PB_ASSOC_CLASS_C_DEC::size_type

PB_ASSOC_CLASS_C_DEC::

erase(const_key_reference r_key)

{

  PB_ASSOC_DBG_ONLY(PB_ASSOC_CLASS_C_DEC::assert_valid();)

    entry_pointer p_l = find_imp(r_key);

  if (p_l->m_p_next == NULL)

    return (0);

  erase_imp(p_l);

  PB_ASSOC_DBG_ONLY(assert_valid();)

    return (1);

}

PB_ASSOC_CLASS_T_DEC

void

PB_ASSOC_CLASS_C_DEC::

clear()

{

  PB_ASSOC_DBG_ONLY(assert_valid();)

    PB_ASSOC_DBG_ONLY(my_map_debug_base::clear();)

    deallocate_all(false);

  m_size = 0;

  PB_ASSOC_DBG_ONLY(assert_valid();)

    }

PB_ASSOC_CLASS_T_DEC

template<class Pred>

inline typename PB_ASSOC_CLASS_C_DEC::size_type

PB_ASSOC_CLASS_C_DEC::

erase_if(Pred& r_pred)

{

  PB_ASSOC_DBG_ONLY(PB_ASSOC_CLASS_C_DEC::assert_valid();)

    size_type num_ersd = 0;

  entry_pointer p_l = m_p_l;

  while (p_l->m_p_next != NULL)

    {

      if (r_pred(p_l->m_p_next->m_value))

        {

          erase_imp(p_l);

          ++num_ersd;

        }

      else

        p_l = p_l->m_p_next;

    }

  PB_ASSOC_DBG_ONLY(PB_ASSOC_CLASS_C_DEC::assert_valid();)

    return (num_ersd);

}

PB_ASSOC_CLASS_T_DEC

void

PB_ASSOC_CLASS_C_DEC::

erase_imp(entry_pointer p_l)

{

  PB_ASSOC_DBG_ASSERT(p_l->m_p_next != NULL);

  entry_pointer p_next_l = p_l->m_p_next->m_p_next;

  PB_ASSOC_DBG_ONLY(my_map_debug_base::erase_existing(

                                                      PB_ASSOC_V2F(p_l->m_p_next->m_value));)

    p_l->m_p_next->m_value.~mapped_value_type();

  s_entry_allocator.deallocate(p_l->m_p_next, 1);

  p_l->m_p_next = p_next_l;

  PB_ASSOC_DBG_ASSERT(m_size > 0);

  --m_size;

}