1169691Skan// -*- C++ -*- 2169691Skan 3169691Skan// Copyright (C) 2005, 2006 Free Software Foundation, Inc. 4169691Skan// 5169691Skan// This file is part of the GNU ISO C++ Library. This library is free 6169691Skan// software; you can redistribute it and/or modify it under the terms 7169691Skan// of the GNU General Public License as published by the Free Software 8169691Skan// Foundation; either version 2, or (at your option) any later 9169691Skan// version. 10169691Skan 11169691Skan// This library is distributed in the hope that it will be useful, but 12169691Skan// WITHOUT ANY WARRANTY; without even the implied warranty of 13169691Skan// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 14169691Skan// General Public License for more details. 15169691Skan 16169691Skan// You should have received a copy of the GNU General Public License 17169691Skan// along with this library; see the file COPYING. If not, write to 18169691Skan// the Free Software Foundation, 59 Temple Place - Suite 330, Boston, 19169691Skan// MA 02111-1307, USA. 20169691Skan 21169691Skan// As a special exception, you may use this file as part of a free 22169691Skan// software library without restriction. Specifically, if other files 23169691Skan// instantiate templates or use macros or inline functions from this 24169691Skan// file, or you compile this file and link it with other files to 25169691Skan// produce an executable, this file does not by itself cause the 26169691Skan// resulting executable to be covered by the GNU General Public 27169691Skan// License. This exception does not however invalidate any other 28169691Skan// reasons why the executable file might be covered by the GNU General 29169691Skan// Public License. 30169691Skan 31169691Skan// Copyright (C) 2004 Ami Tavory and Vladimir Dreizin, IBM-HRL. 32169691Skan 33169691Skan// Permission to use, copy, modify, sell, and distribute this software 34169691Skan// is hereby granted without fee, provided that the above copyright 35169691Skan// notice appears in all copies, and that both that copyright notice 36169691Skan// and this permission notice appear in supporting documentation. None 37169691Skan// of the above authors, nor IBM Haifa Research Laboratories, make any 38169691Skan// representation about the suitability of this software for any 39169691Skan// purpose. It is provided "as is" without express or implied 40169691Skan// warranty. 41169691Skan 42169691Skan/** 43169691Skan * @file insert_fn_imps.hpp 44169691Skan * Contains an implementation class for left_child_next_sibling_heap_. 45169691Skan */ 46169691Skan 47169691SkanPB_DS_CLASS_T_DEC 48169691Skaninline typename PB_DS_CLASS_C_DEC::node_pointer 49169691SkanPB_DS_CLASS_C_DEC:: 50169691Skanget_new_node_for_insert(const_reference r_val) 51169691Skan{ 52169691Skan return get_new_node_for_insert(r_val, s_no_throw_copies_ind); 53169691Skan} 54169691Skan 55169691SkanPB_DS_CLASS_T_DEC 56169691Skaninline typename PB_DS_CLASS_C_DEC::node_pointer 57169691SkanPB_DS_CLASS_C_DEC:: 58169691Skanget_new_node_for_insert(const_reference r_val, false_type) 59169691Skan{ 60169691Skan node_pointer p_new_nd = s_node_allocator.allocate(1); 61169691Skan 62169691Skan cond_dealtor_t cond(p_new_nd); 63169691Skan 64169691Skan new (const_cast<void* >( 65169691Skan static_cast<const void* >(&p_new_nd->m_value))) 66169691Skan typename node::value_type(r_val); 67169691Skan 68169691Skan cond.set_no_action(); 69169691Skan 70169691Skan ++m_size; 71169691Skan 72169691Skan return (p_new_nd); 73169691Skan} 74169691Skan 75169691SkanPB_DS_CLASS_T_DEC 76169691Skaninline typename PB_DS_CLASS_C_DEC::node_pointer 77169691SkanPB_DS_CLASS_C_DEC:: 78169691Skanget_new_node_for_insert(const_reference r_val, true_type) 79169691Skan{ 80169691Skan node_pointer p_new_nd = s_node_allocator.allocate(1); 81169691Skan 82169691Skan new (const_cast<void* >( 83169691Skan static_cast<const void* >(&p_new_nd->m_value))) 84169691Skan typename node::value_type(r_val); 85169691Skan 86169691Skan ++m_size; 87169691Skan 88169691Skan return (p_new_nd); 89169691Skan} 90169691Skan 91169691SkanPB_DS_CLASS_T_DEC 92169691Skaninline void 93169691SkanPB_DS_CLASS_C_DEC:: 94169691Skanmake_child_of(node_pointer p_nd, node_pointer p_new_parent) 95169691Skan{ 96169691Skan _GLIBCXX_DEBUG_ASSERT(p_nd != NULL); 97169691Skan _GLIBCXX_DEBUG_ASSERT(p_new_parent != NULL); 98169691Skan 99169691Skan p_nd->m_p_next_sibling = p_new_parent->m_p_l_child; 100169691Skan 101169691Skan if (p_new_parent->m_p_l_child != NULL) 102169691Skan p_new_parent->m_p_l_child->m_p_prev_or_parent = p_nd; 103169691Skan 104169691Skan p_nd->m_p_prev_or_parent = p_new_parent; 105169691Skan 106169691Skan p_new_parent->m_p_l_child = p_nd; 107169691Skan} 108169691Skan 109169691SkanPB_DS_CLASS_T_DEC 110169691Skaninline typename PB_DS_CLASS_C_DEC::node_pointer 111169691SkanPB_DS_CLASS_C_DEC:: 112169691Skanparent(node_pointer p_nd) 113169691Skan{ 114169691Skan while (true) 115169691Skan { 116169691Skan node_pointer p_pot = p_nd->m_p_prev_or_parent; 117169691Skan 118169691Skan if (p_pot == NULL || p_pot->m_p_l_child == p_nd) 119169691Skan return p_pot; 120169691Skan 121169691Skan p_nd = p_pot; 122169691Skan } 123169691Skan} 124169691Skan 125169691SkanPB_DS_CLASS_T_DEC 126169691Skaninline void 127169691SkanPB_DS_CLASS_C_DEC:: 128169691Skanswap_with_parent(node_pointer p_nd, node_pointer p_parent) 129169691Skan{ 130169691Skan if (p_parent == m_p_root) 131169691Skan m_p_root = p_nd; 132169691Skan 133169691Skan _GLIBCXX_DEBUG_ASSERT(p_nd != NULL); 134169691Skan _GLIBCXX_DEBUG_ASSERT(p_parent != NULL); 135169691Skan _GLIBCXX_DEBUG_ASSERT(parent(p_nd) == p_parent); 136169691Skan 137169691Skan const bool nd_direct_child = p_parent->m_p_l_child == p_nd; 138169691Skan const bool parent_root = p_parent->m_p_prev_or_parent == NULL; 139169691Skan const bool parent_direct_child = 140169691Skan !parent_root&& p_parent->m_p_prev_or_parent->m_p_l_child == p_parent; 141169691Skan 142169691Skan std::swap(p_parent->m_p_prev_or_parent, p_nd->m_p_prev_or_parent); 143169691Skan std::swap(p_parent->m_p_next_sibling, p_nd->m_p_next_sibling); 144169691Skan std::swap(p_parent->m_p_l_child, p_nd->m_p_l_child); 145169691Skan std::swap(p_parent->m_metadata, p_nd->m_metadata); 146169691Skan 147169691Skan _GLIBCXX_DEBUG_ASSERT(p_nd->m_p_l_child != NULL); 148169691Skan _GLIBCXX_DEBUG_ASSERT(p_parent->m_p_prev_or_parent != NULL); 149169691Skan 150169691Skan if (p_nd->m_p_next_sibling != NULL) 151169691Skan p_nd->m_p_next_sibling->m_p_prev_or_parent = p_nd; 152169691Skan 153169691Skan if (p_parent->m_p_next_sibling != NULL) 154169691Skan p_parent->m_p_next_sibling->m_p_prev_or_parent = p_parent; 155169691Skan 156169691Skan if (p_parent->m_p_l_child != NULL) 157169691Skan p_parent->m_p_l_child->m_p_prev_or_parent = p_parent; 158169691Skan 159169691Skan if (parent_direct_child) 160169691Skan p_nd->m_p_prev_or_parent->m_p_l_child = p_nd; 161169691Skan else if (!parent_root) 162169691Skan p_nd->m_p_prev_or_parent->m_p_next_sibling = p_nd; 163169691Skan 164169691Skan if (!nd_direct_child) 165169691Skan { 166169691Skan p_nd->m_p_l_child->m_p_prev_or_parent = p_nd; 167169691Skan 168169691Skan p_parent->m_p_prev_or_parent->m_p_next_sibling = p_parent; 169169691Skan } 170169691Skan else 171169691Skan { 172169691Skan _GLIBCXX_DEBUG_ASSERT(p_nd->m_p_l_child == p_nd); 173169691Skan _GLIBCXX_DEBUG_ASSERT(p_parent->m_p_prev_or_parent == p_parent); 174169691Skan 175169691Skan p_nd->m_p_l_child = p_parent; 176169691Skan p_parent->m_p_prev_or_parent = p_nd; 177169691Skan } 178169691Skan 179169691Skan _GLIBCXX_DEBUG_ASSERT(parent(p_parent) == p_nd); 180169691Skan} 181169691Skan 182