cc_hash_table_map_/erase_fn_imps.hpp
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// -*- C++ -*-
// 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.
// 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 cc_hash_table_map_/erase_fn_imps.hpp
* Contains implementations of cc_ht_map_'s erase related functions.
*/
PB_DS_CLASS_T_DEC
inline void
PB_DS_CLASS_C_DEC::
erase_entry_pointer(entry_pointer& r_p_e)
{
_GLIBCXX_DEBUG_ONLY(debug_base::erase_existing(PB_DS_V2F(r_p_e->m_value)));
entry_pointer p_e = r_p_e;
r_p_e = r_p_e->m_p_next;
rels_entry(p_e);
_GLIBCXX_DEBUG_ASSERT(m_num_used_e > 0);
resize_base::notify_erased(--m_num_used_e);
}
PB_DS_CLASS_T_DEC
template<typename Pred>
inline typename PB_DS_CLASS_C_DEC::size_type
PB_DS_CLASS_C_DEC::
erase_if(Pred pred)
{
size_type num_ersd = 0;
for (size_type pos = 0; pos < m_num_e; ++pos)
{
while (m_entries[pos] != 0 && pred(m_entries[pos]->m_value))
{
++num_ersd;
entry_pointer p_next_e = m_entries[pos]->m_p_next;
erase_entry_pointer(m_entries[pos]);
m_entries[pos] = p_next_e;
}
entry_pointer p_e = m_entries[pos];
while (p_e != 0 && p_e->m_p_next != 0)
{
if (pred(p_e->m_p_next->m_value))
{
++num_ersd;
erase_entry_pointer(p_e->m_p_next);
}
else
p_e = p_e->m_p_next;
}
}
do_resize_if_needed_no_throw();
return num_ersd;
}
PB_DS_CLASS_T_DEC
void
PB_DS_CLASS_C_DEC::
clear()
{
for (size_type pos = 0; pos < m_num_e; ++pos)
while (m_entries[pos] != 0)
erase_entry_pointer(m_entries[pos]);
do_resize_if_needed_no_throw();
resize_base::notify_cleared();
}
#include <ext/pb_ds/detail/cc_hash_table_map_/erase_no_store_hash_fn_imps.hpp>
#include <ext/pb_ds/detail/cc_hash_table_map_/erase_store_hash_fn_imps.hpp>