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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 resize_fn_imps.hpp

 * Contains implementations of cc_ht_map_'s resize related functions.

 */

PB_ASSOC_CLASS_T_DEC

inline bool

PB_ASSOC_CLASS_C_DEC::

do_resize_if_needed()

{

  if (!my_resize_base::is_resize_needed())

    return (false);

  do

    do_resize(my_resize_base::get_new_size(m_num_e_p, m_num_used_e));

  while (my_resize_base::is_resize_needed());

  return (true);

}

PB_ASSOC_CLASS_T_DEC

inline void

PB_ASSOC_CLASS_C_DEC::

do_resize_if_needed_no_throw()

{

  if (!my_resize_base::is_resize_needed())

    return;

  try

    {

      do

        do_resize(my_resize_base::get_new_size(m_num_e_p, m_num_used_e));

      while (my_resize_base::is_resize_needed());

    }

  catch(...)

    { }

  PB_ASSOC_DBG_ONLY(assert_valid();)

    }

PB_ASSOC_CLASS_T_DEC

void

PB_ASSOC_CLASS_C_DEC::

do_resize(size_type new_size)

{

  PB_ASSOC_DBG_ONLY(assert_valid();)

    const size_type old_size = m_num_e_p;

  entry_pointer_array a_p_entries_resized;

  // Following line might throw an exception.

  my_ranged_hash_fn_base::notify_resized(new_size);

  try

    {

      // Following line might throw an exception.

      a_p_entries_resized = s_entry_pointer_allocator.allocate(new_size);

      m_num_e_p = new_size;

    }

  catch(...)

    {

      my_ranged_hash_fn_base::notify_resized(old_size);

      throw;

    }

  // At this point no exceptions can be thrown.

  resize_imp_no_exceptions(new_size, a_p_entries_resized, old_size);

  Resize_Policy::notify_resized(new_size);

  PB_ASSOC_DBG_ONLY(assert_valid();)

    }

PB_ASSOC_CLASS_T_DEC

void

PB_ASSOC_CLASS_C_DEC::

resize_imp_no_exceptions(size_type new_size, entry_pointer_array a_p_entries_resized, size_type old_size)

{

  std::fill(a_p_entries_resized, a_p_entries_resized + m_num_e_p,(entry_pointer)NULL);

  for (size_type pos = 0; pos < old_size; ++pos)

    {

      entry_pointer p_e = m_a_p_entries[pos];

      while (p_e != NULL)

        p_e = resize_imp_no_exceptions_reassign_pointer(p_e, a_p_entries_resized, my_hash_traits_base::s_store_hash_indicator);

    }

  m_num_e_p = new_size;

  PB_ASSOC_DBG_ONLY(assert_entry_pointer_array_valid(a_p_entries_resized);)

    s_entry_pointer_allocator.deallocate(m_a_p_entries, old_size);

  m_a_p_entries = a_p_entries_resized;

  PB_ASSOC_DBG_ONLY(assert_valid();)

    }

#include <ext/pb_assoc/detail/cc_ht_map_/resize_no_store_hash_fn_imps.hpp>

#include <ext/pb_assoc/detail/cc_ht_map_/resize_store_hash_fn_imps.hpp>