diff options
Diffstat (limited to 'gcc-4.4.3/libstdc++-v3/include/ext/pb_ds/detail/list_update_map_/erase_fn_imps.hpp')
| -rw-r--r-- | gcc-4.4.3/libstdc++-v3/include/ext/pb_ds/detail/list_update_map_/erase_fn_imps.hpp | 135 |
1 files changed, 135 insertions, 0 deletions
diff --git a/gcc-4.4.3/libstdc++-v3/include/ext/pb_ds/detail/list_update_map_/erase_fn_imps.hpp b/gcc-4.4.3/libstdc++-v3/include/ext/pb_ds/detail/list_update_map_/erase_fn_imps.hpp new file mode 100644 index 000000000..cdc59208f --- /dev/null +++ b/gcc-4.4.3/libstdc++-v3/include/ext/pb_ds/detail/list_update_map_/erase_fn_imps.hpp @@ -0,0 +1,135 @@ +// -*- 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 lu_map_. + */ + +PB_DS_CLASS_T_DEC +inline bool +PB_DS_CLASS_C_DEC:: +erase(const_key_reference r_key) +{ + _GLIBCXX_DEBUG_ONLY(PB_DS_CLASS_C_DEC::assert_valid();) + if (m_p_l == NULL) + return false; + + if (s_eq_fn(r_key, PB_DS_V2F(m_p_l->m_value))) + { + entry_pointer p_next = m_p_l->m_p_next; + actual_erase_entry(m_p_l); + m_p_l = p_next; + return true; + } + + entry_pointer p_l = m_p_l; + while (p_l->m_p_next != NULL) + if (s_eq_fn(r_key, PB_DS_V2F(p_l->m_p_next->m_value))) + { + erase_next(p_l); + return true; + } + else + p_l = p_l->m_p_next; + return false; +} + +PB_DS_CLASS_T_DEC +void +PB_DS_CLASS_C_DEC:: +clear() +{ + deallocate_all(); +} + +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) +{ + _GLIBCXX_DEBUG_ONLY(PB_DS_CLASS_C_DEC::assert_valid();) + size_type num_ersd = 0; + while (m_p_l != NULL && pred(m_p_l->m_value)) + { + entry_pointer p_next = m_p_l->m_p_next; + ++num_ersd; + actual_erase_entry(m_p_l); + m_p_l = p_next; + } + + if (m_p_l == NULL) + return num_ersd; + + entry_pointer p_l = m_p_l; + while (p_l->m_p_next != NULL) + { + if (pred(p_l->m_p_next->m_value)) + { + ++num_ersd; + erase_next(p_l); + } + else + p_l = p_l->m_p_next; + } + + _GLIBCXX_DEBUG_ONLY(PB_DS_CLASS_C_DEC::assert_valid();) + return num_ersd; +} + +PB_DS_CLASS_T_DEC +void +PB_DS_CLASS_C_DEC:: +erase_next(entry_pointer p_l) +{ + _GLIBCXX_DEBUG_ASSERT(p_l != NULL); + _GLIBCXX_DEBUG_ASSERT(p_l != m_p_l); + _GLIBCXX_DEBUG_ASSERT(p_l->m_p_next != NULL); + entry_pointer p_next_l = p_l->m_p_next->m_p_next; + actual_erase_entry(p_l->m_p_next); + p_l->m_p_next = p_next_l; +} + +PB_DS_CLASS_T_DEC +void +PB_DS_CLASS_C_DEC:: +actual_erase_entry(entry_pointer p_l) +{ + _GLIBCXX_DEBUG_ONLY(debug_base::erase_existing(PB_DS_V2F(p_l->m_value));) + p_l->~entry(); + s_entry_allocator.deallocate(p_l, 1); +} + |