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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 insert_fn_imps.hpp
* Contains an implementation class for bin_search_tree_.
*/
PB_ASSOC_CLASS_T_DEC
inline std::pair<typename PB_ASSOC_CLASS_C_DEC::find_iterator, bool>
PB_ASSOC_CLASS_C_DEC::
insert_leaf(const_mapped_reference r_mapped_value)
{
PB_ASSOC_DBG_ONLY(assert_valid(true, true);)
if (m_size == 0)
return (std::make_pair(
insert_imp_empty(r_mapped_value),
true));
node_pointer p_nd = m_p_head->m_p_parent;
node_pointer p_pot = m_p_head;
while (p_nd != NULL)
if (!Cmp_Fn::operator()(
PB_ASSOC_V2F(p_nd->m_value),
PB_ASSOC_V2F(r_mapped_value)))
{
p_pot = p_nd;
p_nd = p_nd->m_p_left;
}
else
p_nd = p_nd->m_p_right;
if (p_pot == m_p_head)
return (std::make_pair(
insert_leaf_new(r_mapped_value, m_p_head->m_p_right, false),
true));
if (!Cmp_Fn::operator()(
PB_ASSOC_V2F(r_mapped_value),
PB_ASSOC_V2F(p_pot->m_value)))
{
PB_ASSOC_DBG_ONLY(assert_valid(true, true);)
PB_ASSOC_DBG_ONLY(my_map_debug_base::check_key_exists(
PB_ASSOC_V2F(r_mapped_value)));
return (std::make_pair(p_pot, false));
}
PB_ASSOC_DBG_ONLY(my_map_debug_base::check_key_does_not_exist(
PB_ASSOC_V2F(r_mapped_value)));
p_nd = p_pot->m_p_left;
if (p_nd == NULL)
return (std::make_pair(
insert_leaf_new(r_mapped_value, p_pot, true),
true));
while (p_nd->m_p_right != NULL)
p_nd = p_nd->m_p_right;
return (std::make_pair(
insert_leaf_new(r_mapped_value, p_nd, false),
true));
}
PB_ASSOC_CLASS_T_DEC
inline typename PB_ASSOC_CLASS_C_DEC::iterator
PB_ASSOC_CLASS_C_DEC::
insert_leaf_new(const_mapped_reference r_mapped_value, node_pointer p_nd, bool left_nd)
{
node_pointer p_new_nd =
get_new_node_for_leaf_insert(r_mapped_value, my_traits_base::s_no_throw_copies_indicator);
if (left_nd)
{
PB_ASSOC_DBG_ASSERT(p_nd->m_p_left == NULL);
PB_ASSOC_DBG_ASSERT(Cmp_Fn::operator()(
PB_ASSOC_V2F(r_mapped_value),
PB_ASSOC_V2F(p_nd->m_value)));
p_nd->m_p_left = p_new_nd;
if (m_p_head->m_p_left == p_nd)
m_p_head->m_p_left = p_new_nd;
}
else
{
PB_ASSOC_DBG_ASSERT(p_nd->m_p_right == NULL);
PB_ASSOC_DBG_ASSERT(Cmp_Fn::operator()(
PB_ASSOC_V2F(p_nd->m_value),
PB_ASSOC_V2F(r_mapped_value)));
p_nd->m_p_right = p_new_nd;
if (m_p_head->m_p_right == p_nd)
m_p_head->m_p_right = p_new_nd;
}
p_new_nd->m_p_parent = p_nd;
p_new_nd->m_p_left = p_new_nd->m_p_right = NULL;
PB_ASSOC_DBG_ONLY(assert_node_consistent(p_nd));
update_to_top(p_new_nd, (Node_Updator* )this);
PB_ASSOC_DBG_ONLY(my_map_debug_base::insert_new(
PB_ASSOC_V2F(r_mapped_value)));
return (iterator(p_new_nd));
}
PB_ASSOC_CLASS_T_DEC
inline typename PB_ASSOC_CLASS_C_DEC::iterator
PB_ASSOC_CLASS_C_DEC::
insert_imp_empty(const_mapped_reference r_mapped_value)
{
node_pointer p_new_node =
get_new_node_for_leaf_insert(r_mapped_value, my_traits_base::s_no_throw_copies_indicator);
m_p_head->m_p_left = m_p_head->m_p_right =
m_p_head->m_p_parent = p_new_node;
p_new_node->m_p_parent = m_p_head;
p_new_node->m_p_left = p_new_node->m_p_right = NULL;
PB_ASSOC_DBG_ONLY(my_map_debug_base::insert_new(
PB_ASSOC_V2F(r_mapped_value)));
update_to_top(m_p_head->m_p_parent, (Node_Updator* )this);
return (iterator(p_new_node));
}
PB_ASSOC_CLASS_T_DEC
inline typename PB_ASSOC_CLASS_C_DEC::node_pointer
PB_ASSOC_CLASS_C_DEC::
get_new_node_for_leaf_insert(const_mapped_reference r_val, pb_assoc::detail::int_to_type<false>)
{
node_pointer p_new_nd = s_node_allocator.allocate(1);
cond_dealtor_t cond(p_new_nd);
new (const_cast<void* >(
static_cast<const void* >(&p_new_nd->m_value)))
typename Node::value_type(r_val);
cond.set_no_action();
p_new_nd->m_p_left = p_new_nd->m_p_right = NULL;
++m_size;
return (p_new_nd);
}
PB_ASSOC_CLASS_T_DEC
inline typename PB_ASSOC_CLASS_C_DEC::node_pointer
PB_ASSOC_CLASS_C_DEC::
get_new_node_for_leaf_insert(const_mapped_reference r_val, pb_assoc::detail::int_to_type<true>)
{
node_pointer p_new_nd = s_node_allocator.allocate(1);
new (const_cast<void* >(
static_cast<const void* >(&p_new_nd->m_value)))
typename Node::value_type(r_val);
p_new_nd->m_p_left = p_new_nd->m_p_right = NULL;
++m_size;
return (p_new_nd);
}
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