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 erase_fn_imps.hpp 44169691Skan * Contains an implementation class for bin_search_tree_. 45169691Skan */ 46169691Skan 47169691SkanPB_DS_CLASS_T_DEC 48169691Skaninline void 49169691SkanPB_DS_CLASS_C_DEC:: 50169691Skanactual_erase_node(node_pointer p_z) 51169691Skan{ 52169691Skan _GLIBCXX_DEBUG_ASSERT(m_size > 0); 53169691Skan --m_size; 54169691Skan 55169691Skan _GLIBCXX_DEBUG_ONLY(erase_existing(PB_DS_V2F(p_z->m_value))); 56169691Skan 57169691Skan p_z->~node(); 58169691Skan 59169691Skan s_node_allocator.deallocate(p_z, 1); 60169691Skan} 61169691Skan 62169691SkanPB_DS_CLASS_T_DEC 63169691Skaninline void 64169691SkanPB_DS_CLASS_C_DEC:: 65169691Skanupdate_min_max_for_erased_node(node_pointer p_z) 66169691Skan{ 67169691Skan if (m_size == 1) 68169691Skan { 69169691Skan m_p_head->m_p_left = m_p_head->m_p_right = m_p_head; 70169691Skan 71169691Skan return; 72169691Skan } 73169691Skan 74169691Skan if (m_p_head->m_p_left == p_z) 75169691Skan { 76169691Skan iterator it(p_z); 77169691Skan 78169691Skan ++it; 79169691Skan 80169691Skan m_p_head->m_p_left = it.m_p_nd; 81169691Skan } 82169691Skan else if (m_p_head->m_p_right == p_z) 83169691Skan { 84169691Skan iterator it(p_z); 85169691Skan 86169691Skan --it; 87169691Skan 88169691Skan m_p_head->m_p_right = it.m_p_nd; 89169691Skan } 90169691Skan} 91169691Skan 92169691SkanPB_DS_CLASS_T_DEC 93169691Skanvoid 94169691SkanPB_DS_CLASS_C_DEC:: 95169691Skanclear() 96169691Skan{ 97169691Skan _GLIBCXX_DEBUG_ONLY(structure_only_assert_valid();) 98169691Skan 99169691Skan clear_imp(m_p_head->m_p_parent); 100169691Skan 101169691Skan m_size = 0; 102169691Skan 103169691Skan initialize(); 104169691Skan 105169691Skan _GLIBCXX_DEBUG_ONLY(map_debug_base::clear();) 106169691Skan 107169691Skan _GLIBCXX_DEBUG_ONLY(structure_only_assert_valid();) 108169691Skan } 109169691Skan 110169691SkanPB_DS_CLASS_T_DEC 111169691Skanvoid 112169691SkanPB_DS_CLASS_C_DEC:: 113169691Skanclear_imp(node_pointer p_nd) 114169691Skan{ 115169691Skan if (p_nd == NULL) 116169691Skan return; 117169691Skan 118169691Skan clear_imp(p_nd->m_p_left); 119169691Skan 120169691Skan clear_imp(p_nd->m_p_right); 121169691Skan 122169691Skan p_nd->~node(); 123169691Skan 124169691Skan s_node_allocator.deallocate(p_nd, 1); 125169691Skan} 126169691Skan 127