forked from KolibriOS/kolibrios
135 lines
3.4 KiB
C++
135 lines
3.4 KiB
C++
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// -*- C++ -*-
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// Copyright (C) 2005-2013 Free Software Foundation, Inc.
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//
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// This file is part of the GNU ISO C++ Library. This library is free
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// software; you can redistribute it and/or modify it under the terms
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// of the GNU General Public License as published by the Free Software
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// Foundation; either version 3, or (at your option) any later
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// version.
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// This library is distributed in the hope that it will be useful, but
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// WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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// General Public License for more details.
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// Under Section 7 of GPL version 3, you are granted additional
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// permissions described in the GCC Runtime Library Exception, version
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// 3.1, as published by the Free Software Foundation.
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// You should have received a copy of the GNU General Public License and
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// a copy of the GCC Runtime Library Exception along with this program;
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// see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
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// <http://www.gnu.org/licenses/>.
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// Copyright (C) 2004 Ami Tavory and Vladimir Dreizin, IBM-HRL.
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// Permission to use, copy, modify, sell, and distribute this software
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// is hereby granted without fee, provided that the above copyright
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// notice appears in all copies, and that both that copyright notice
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// and this permission notice appear in supporting documentation. None
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// of the above authors, nor IBM Haifa Research Laboratories, make any
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// representation about the suitability of this software for any
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// purpose. It is provided "as is" without express or implied
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// warranty.
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/**
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* @file list_update_map_/erase_fn_imps.hpp
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* Contains implementations of lu_map_.
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*/
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PB_DS_CLASS_T_DEC
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inline bool
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PB_DS_CLASS_C_DEC::
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erase(key_const_reference r_key)
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{
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PB_DS_ASSERT_VALID((*this))
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if (m_p_l == 0)
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return false;
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if (s_eq_fn(r_key, PB_DS_V2F(m_p_l->m_value)))
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{
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entry_pointer p_next = m_p_l->m_p_next;
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actual_erase_entry(m_p_l);
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m_p_l = p_next;
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return true;
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}
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entry_pointer p_l = m_p_l;
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while (p_l->m_p_next != 0)
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if (s_eq_fn(r_key, PB_DS_V2F(p_l->m_p_next->m_value)))
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{
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erase_next(p_l);
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return true;
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}
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else
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p_l = p_l->m_p_next;
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return false;
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}
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PB_DS_CLASS_T_DEC
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void
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PB_DS_CLASS_C_DEC::
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clear()
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{
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deallocate_all();
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}
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PB_DS_CLASS_T_DEC
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template<typename Pred>
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inline typename PB_DS_CLASS_C_DEC::size_type
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PB_DS_CLASS_C_DEC::
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erase_if(Pred pred)
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{
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PB_DS_ASSERT_VALID((*this))
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size_type num_ersd = 0;
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while (m_p_l != 0 && pred(m_p_l->m_value))
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{
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entry_pointer p_next = m_p_l->m_p_next;
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++num_ersd;
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actual_erase_entry(m_p_l);
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m_p_l = p_next;
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}
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if (m_p_l == 0)
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return num_ersd;
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entry_pointer p_l = m_p_l;
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while (p_l->m_p_next != 0)
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{
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if (pred(p_l->m_p_next->m_value))
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{
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++num_ersd;
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erase_next(p_l);
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}
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else
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p_l = p_l->m_p_next;
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}
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PB_DS_ASSERT_VALID((*this))
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return num_ersd;
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}
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PB_DS_CLASS_T_DEC
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void
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PB_DS_CLASS_C_DEC::
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erase_next(entry_pointer p_l)
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{
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_GLIBCXX_DEBUG_ASSERT(p_l != 0);
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_GLIBCXX_DEBUG_ASSERT(p_l->m_p_next != 0);
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entry_pointer p_next_l = p_l->m_p_next->m_p_next;
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actual_erase_entry(p_l->m_p_next);
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p_l->m_p_next = p_next_l;
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}
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PB_DS_CLASS_T_DEC
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void
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PB_DS_CLASS_C_DEC::
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actual_erase_entry(entry_pointer p_l)
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{
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_GLIBCXX_DEBUG_ONLY(debug_base::erase_existing(PB_DS_V2F(p_l->m_value));)
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p_l->~entry();
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s_entry_allocator.deallocate(p_l, 1);
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}
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