0,0 → 1,84 |
// -*- C++ -*- |
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// Copyright (C) 2005-2013 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. |
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// 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. |
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// 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. |
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// 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/>. |
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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 |
// 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. |
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/** |
* @file gp_hash_table_map_/erase_no_store_hash_fn_imps.hpp |
* Contains implementations of gp_ht_map_'s erase related functions, |
* when the hash value is not stored. |
*/ |
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PB_DS_CLASS_T_DEC |
inline bool |
PB_DS_CLASS_C_DEC:: |
erase_imp(key_const_reference r_key, false_type) |
{ |
PB_DS_ASSERT_VALID((*this)) |
size_type hash = ranged_probe_fn_base::operator()(r_key); |
size_type i; |
resize_base::notify_erase_search_start(); |
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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(); |
PB_DS_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; |
} |
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