1 // -*- C++ -*- 2 3 // Copyright (C) 2005, 2006, 2009 Free Software Foundation, Inc. 4 // 5 // This file is part of the GNU ISO C++ Library. This library is free 6 // software; you can redistribute it and/or modify it under the terms 7 // of the GNU General Public License as published by the Free Software 8 // Foundation; either version 3, or (at your option) any later 9 // version. 10 11 // This library is distributed in the hope that it will be useful, but 12 // WITHOUT ANY WARRANTY; without even the implied warranty of 13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 14 // General Public License for more details. 15 16 // Under Section 7 of GPL version 3, you are granted additional 17 // permissions described in the GCC Runtime Library Exception, version 18 // 3.1, as published by the Free Software Foundation. 19 20 // You should have received a copy of the GNU General Public License and 21 // a copy of the GCC Runtime Library Exception along with this program; 22 // see the files COPYING3 and COPYING.RUNTIME respectively. If not, see 23 // <http://www.gnu.org/licenses/>. 24 25 // Copyright (C) 2004 Ami Tavory and Vladimir Dreizin, IBM-HRL. 26 27 // Permission to use, copy, modify, sell, and distribute this software 28 // is hereby granted without fee, provided that the above copyright 29 // notice appears in all copies, and that both that copyright notice 30 // and this permission notice appear in supporting documentation. None 31 // of the above authors, nor IBM Haifa Research Laboratories, make any 32 // representation about the suitability of this software for any 33 // purpose. It is provided "as is" without express or implied 34 // warranty. 35 36 /** 37 * @file split_join_fn_imps.hpp 38 * Contains an implementation for thin_heap_. 39 */ 40 41 PB_DS_CLASS_T_DEC 42 template<typename Pred> 43 void 44 PB_DS_CLASS_C_DEC:: 45 split(Pred pred, PB_DS_CLASS_C_DEC& other) 46 { 47 _GLIBCXX_DEBUG_ONLY(assert_valid();) 48 _GLIBCXX_DEBUG_ONLY(other.assert_valid();) 49 50 other.clear(); 51 52 if (base_type::empty()) 53 { 54 _GLIBCXX_DEBUG_ONLY(assert_valid();) 55 _GLIBCXX_DEBUG_ONLY(other.assert_valid();) 56 57 return; 58 } 59 60 base_type::to_linked_list(); 61 62 node_pointer p_out = base_type::prune(pred); 63 64 while (p_out != NULL) 65 { 66 _GLIBCXX_DEBUG_ASSERT(base_type::m_size > 0); 67 --base_type::m_size; 68 69 ++other.m_size; 70 71 node_pointer p_next = p_out->m_p_next_sibling; 72 73 other.make_root_and_link(p_out); 74 75 p_out = p_next; 76 } 77 78 _GLIBCXX_DEBUG_ONLY(other.assert_valid();) 79 80 node_pointer p_cur = base_type::m_p_root; 81 82 m_p_max = NULL; 83 84 base_type::m_p_root = NULL; 85 86 while (p_cur != NULL) 87 { 88 node_pointer p_next = p_cur->m_p_next_sibling; 89 90 make_root_and_link(p_cur); 91 92 p_cur = p_next; 93 } 94 95 _GLIBCXX_DEBUG_ONLY(assert_valid();) 96 _GLIBCXX_DEBUG_ONLY(other.assert_valid();) 97 } 98 99 PB_DS_CLASS_T_DEC 100 inline void 101 PB_DS_CLASS_C_DEC:: 102 join(PB_DS_CLASS_C_DEC& other) 103 { 104 _GLIBCXX_DEBUG_ONLY(assert_valid();) 105 _GLIBCXX_DEBUG_ONLY(other.assert_valid();) 106 107 node_pointer p_other = other.m_p_root; 108 109 while (p_other != NULL) 110 { 111 node_pointer p_next = p_other->m_p_next_sibling; 112 113 make_root_and_link(p_other); 114 115 p_other = p_next; 116 } 117 118 base_type::m_size += other.m_size; 119 120 other.m_p_root = NULL; 121 other.m_size = 0; 122 other.m_p_max = NULL; 123 124 _GLIBCXX_DEBUG_ONLY(assert_valid();) 125 _GLIBCXX_DEBUG_ONLY(other.assert_valid();) 126 } 127