| // -*- C++ -*- |
| |
| // Copyright (C) 2005, 2006, 2009, 2010 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 3, 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. |
| |
| // Under Section 7 of GPL version 3, you are granted additional |
| // permissions described in the GCC Runtime Library Exception, version |
| // 3.1, as published by the Free Software Foundation. |
| |
| // You should have received a copy of the GNU General Public License and |
| // a copy of the GCC Runtime Library Exception along with this program; |
| // see the files COPYING3 and COPYING.RUNTIME respectively. If not, see |
| // <http://www.gnu.org/licenses/>. |
| |
| // 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 find_fn_imps.hpp |
| * Contains an implementation class for splay_tree_. |
| */ |
| |
| PB_DS_CLASS_T_DEC |
| inline typename PB_DS_CLASS_C_DEC::point_iterator |
| PB_DS_CLASS_C_DEC:: |
| find(const_key_reference r_key) |
| { |
| node_pointer p_found = find_imp(r_key); |
| if (p_found != base_type::m_p_head) |
| splay(p_found); |
| return point_iterator(p_found); |
| } |
| |
| PB_DS_CLASS_T_DEC |
| inline typename PB_DS_CLASS_C_DEC::const_point_iterator |
| PB_DS_CLASS_C_DEC:: |
| find(const_key_reference r_key) const |
| { |
| const node_pointer p_found = find_imp(r_key); |
| if (p_found != base_type::m_p_head) |
| const_cast<PB_DS_CLASS_C_DEC* >(this)->splay(p_found); |
| return point_iterator(p_found); |
| } |
| |
| PB_DS_CLASS_T_DEC |
| inline typename PB_DS_CLASS_C_DEC::node_pointer |
| PB_DS_CLASS_C_DEC:: |
| find_imp(const_key_reference r_key) |
| { |
| _GLIBCXX_DEBUG_ONLY(base_type::structure_only_assert_valid();) |
| node_pointer p_nd = base_type::m_p_head->m_p_parent; |
| while (p_nd != 0) |
| if (!Cmp_Fn::operator()(PB_DS_V2F(p_nd->m_value), r_key)) |
| { |
| if (!Cmp_Fn::operator()(r_key, PB_DS_V2F(p_nd->m_value))) |
| return p_nd; |
| p_nd = p_nd->m_p_left; |
| } |
| else |
| p_nd = p_nd->m_p_right; |
| return base_type::m_p_head; |
| } |
| |
| PB_DS_CLASS_T_DEC |
| inline const typename PB_DS_CLASS_C_DEC::node_pointer |
| PB_DS_CLASS_C_DEC:: |
| find_imp(const_key_reference r_key) const |
| { |
| _GLIBCXX_DEBUG_ONLY(assert_valid();) |
| node_pointer p_nd = base_type::m_p_head->m_p_parent; |
| while (p_nd != 0) |
| if (!Cmp_Fn::operator()(PB_DS_V2F(p_nd->m_value), r_key)) |
| { |
| if (!Cmp_Fn::operator()(r_key, PB_DS_V2F(p_nd->m_value))) |
| return p_nd; |
| p_nd = p_nd->m_p_left; |
| } |
| else |
| p_nd = p_nd->m_p_right; |
| return base_type::m_p_head; |
| } |
