| // -*- C++ -*- |
| |
| // Copyright (C) 2005, 2006 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 2, 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. |
| |
| // You should have received a copy of the GNU General Public License |
| // along with this library; see the file COPYING. If not, write to |
| // the Free Software Foundation, 59 Temple Place - Suite 330, Boston, |
| // MA 02111-1307, USA. |
| |
| // As a special exception, you may use this file as part of a free |
| // software library without restriction. Specifically, if other files |
| // instantiate templates or use macros or inline functions from this |
| // file, or you compile this file and link it with other files to |
| // produce an executable, this file does not by itself cause the |
| // resulting executable to be covered by the GNU General Public |
| // License. This exception does not however invalidate any other |
| // reasons why the executable file might be covered by the GNU General |
| // Public License. |
| |
| // 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 erase_no_store_hash_fn_imps.hpp |
| * Contains implementations of gp_ht_map_'s erase related functions, |
| * when the hash value is not stored. |
| */ |
| |
| PB_DS_CLASS_T_DEC |
| inline bool |
| PB_DS_CLASS_C_DEC:: |
| erase_imp(const_key_reference r_key, false_type) |
| { |
| _GLIBCXX_DEBUG_ONLY(PB_DS_CLASS_C_DEC::assert_valid();) |
| size_type hash = ranged_probe_fn_base::operator()(r_key); |
| size_type i; |
| resize_base::notify_erase_search_start(); |
| |
| for (i = 0; i < m_num_e; ++i) |
| { |
| const size_type pos = ranged_probe_fn_base::operator()(r_key, hash, i); |
| entry* const p_e = m_entries + pos; |
| switch(p_e->m_stat) |
| { |
| case empty_entry_status: |
| { |
| resize_base::notify_erase_search_end(); |
| _GLIBCXX_DEBUG_ONLY(debug_base::check_key_does_not_exist( |
| r_key)); |
| return false; |
| } |
| break; |
| case valid_entry_status: |
| if (hash_eq_fn_base::operator()(PB_DS_V2F(p_e->m_value), r_key)) |
| { |
| resize_base::notify_erase_search_end(); |
| erase_entry(p_e); |
| do_resize_if_needed_no_throw(); |
| return true; |
| } |
| break; |
| case erased_entry_status: |
| break; |
| default: |
| _GLIBCXX_DEBUG_ASSERT(0); |
| }; |
| resize_base::notify_erase_search_collision(); |
| } |
| resize_base::notify_erase_search_end(); |
| return false; |
| } |
| |