libstdc++
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00001 // -*- C++ -*- 00002 00003 // Copyright (C) 2005, 2006, 2009, 2010i, 2011 Free Software Foundation, Inc. 00004 // 00005 // This file is part of the GNU ISO C++ Library. This library is free 00006 // software; you can redistribute it and/or modify it under the terms 00007 // of the GNU General Public License as published by the Free Software 00008 // Foundation; either version 3, or (at your option) any later 00009 // version. 00010 00011 // This library is distributed in the hope that it will be useful, but 00012 // WITHOUT ANY WARRANTY; without even the implied warranty of 00013 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 00014 // General Public License for more details. 00015 00016 // Under Section 7 of GPL version 3, you are granted additional 00017 // permissions described in the GCC Runtime Library Exception, version 00018 // 3.1, as published by the Free Software Foundation. 00019 00020 // You should have received a copy of the GNU General Public License and 00021 // a copy of the GCC Runtime Library Exception along with this program; 00022 // see the files COPYING3 and COPYING.RUNTIME respectively. If not, see 00023 // <http://www.gnu.org/licenses/>. 00024 00025 // Copyright (C) 2004 Ami Tavory and Vladimir Dreizin, IBM-HRL. 00026 00027 // Permission to use, copy, modify, sell, and distribute this software 00028 // is hereby granted without fee, provided that the above copyright 00029 // notice appears in all copies, and that both that copyright notice 00030 // and this permission notice appear in supporting documentation. None 00031 // of the above authors, nor IBM Haifa Research Laboratories, make any 00032 // representation about the suitability of this software for any 00033 // purpose. It is provided "as is" without express or implied 00034 // warranty. 00035 00036 /** 00037 * @file splay_tree_/insert_fn_imps.hpp 00038 * Contains an implementation class for splay_tree_. 00039 */ 00040 00041 PB_DS_CLASS_T_DEC 00042 inline std::pair<typename PB_DS_CLASS_C_DEC::point_iterator, bool> 00043 PB_DS_CLASS_C_DEC:: 00044 insert(const_reference r_value) 00045 { 00046 PB_DS_ASSERT_VALID((*this)) 00047 std::pair<point_iterator, bool> ins_pair = insert_leaf_imp(r_value); 00048 ins_pair.first.m_p_nd->m_special = false; 00049 PB_DS_ASSERT_VALID((*this)) 00050 splay(ins_pair.first.m_p_nd); 00051 PB_DS_ASSERT_VALID((*this)) 00052 return ins_pair; 00053 } 00054 00055 PB_DS_CLASS_T_DEC 00056 inline std::pair<typename PB_DS_CLASS_C_DEC::point_iterator, bool> 00057 PB_DS_CLASS_C_DEC:: 00058 insert_leaf_imp(const_reference r_value) 00059 { 00060 _GLIBCXX_DEBUG_ONLY(base_type::structure_only_assert_valid(__FILE__, 00061 __LINE__);) 00062 if (base_type::m_size == 0) 00063 return std::make_pair(base_type::insert_imp_empty(r_value), true); 00064 00065 node_pointer p_nd = base_type::m_p_head->m_p_parent; 00066 node_pointer p_pot = base_type::m_p_head; 00067 00068 while (p_nd != 0) 00069 if (!Cmp_Fn::operator()(PB_DS_V2F(p_nd->m_value), PB_DS_V2F(r_value))) 00070 { 00071 if (!Cmp_Fn::operator()(PB_DS_V2F(r_value), PB_DS_V2F(p_nd->m_value))) 00072 { 00073 return std::make_pair(point_iterator(p_nd), false); 00074 } 00075 p_pot = p_nd; 00076 p_nd = p_nd->m_p_left; 00077 } 00078 else 00079 p_nd = p_nd->m_p_right; 00080 00081 if (p_pot == base_type::m_p_head) 00082 return std::make_pair(base_type::insert_leaf_new(r_value, base_type::m_p_head->m_p_right, false), true); 00083 00084 PB_DS_CHECK_KEY_DOES_NOT_EXIST(PB_DS_V2F(r_value)) 00085 00086 p_nd = p_pot->m_p_left; 00087 if (p_nd == 0) 00088 return (std::make_pair(base_type::insert_leaf_new(r_value, p_pot, true), true)); 00089 00090 while (p_nd->m_p_right != 0) 00091 p_nd = p_nd->m_p_right; 00092 00093 return std::make_pair(this->insert_leaf_new(r_value, p_nd, false), true); 00094 }