diff options
Diffstat (limited to 'gcc-4.4.3/libstdc++-v3/include/ext/pb_ds/detail/cc_hash_table_map_/erase_fn_imps.hpp')
| -rw-r--r-- | gcc-4.4.3/libstdc++-v3/include/ext/pb_ds/detail/cc_hash_table_map_/erase_fn_imps.hpp | 103 |
1 files changed, 103 insertions, 0 deletions
diff --git a/gcc-4.4.3/libstdc++-v3/include/ext/pb_ds/detail/cc_hash_table_map_/erase_fn_imps.hpp b/gcc-4.4.3/libstdc++-v3/include/ext/pb_ds/detail/cc_hash_table_map_/erase_fn_imps.hpp new file mode 100644 index 000000000..9f9178bc9 --- /dev/null +++ b/gcc-4.4.3/libstdc++-v3/include/ext/pb_ds/detail/cc_hash_table_map_/erase_fn_imps.hpp @@ -0,0 +1,103 @@ +// -*- C++ -*- + +// Copyright (C) 2005, 2006, 2009 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 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] != NULL && 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 != NULL && p_e->m_p_next != NULL) + { + 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] != NULL) + 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> + |