cpp-d1064d

[cross.git] / i686-linux-gnu-4.7 / usr / include / c++ / 4.7 / ext / pb_ds / detail / cc_hash_table_map_ / erase_store_hash_fn_imps.hpp

diff --git a/i686-linux-gnu-4.7/usr/include/c++/4.7/ext/pb_ds/detail/cc_hash_table_map_/erase_store_hash_fn_imps.hpp b/i686-linux-gnu-4.7/usr/include/c++/4.7/ext/pb_ds/detail/cc_hash_table_map_/erase_store_hash_fn_imps.hpp
new file mode 100644 (file)
index 0000000..a4cddea
--- /dev/null
+++ b/i686-linux-gnu-4.7/usr/include/c++/4.7/ext/pb_ds/detail/cc_hash_table_map_/erase_store_hash_fn_imps.hpp
@@ -0,0 +1,94 @@
+// -*- C++ -*-
+
+// Copyright (C) 2005, 2006, 2009, 2010, 2011 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_store_hash_fn_imps.hpp
+ * Contains implementations of cc_ht_map_'s erase related functions,
+ * when the hash value is stored.
+ */
+
+PB_DS_CLASS_T_DEC
+inline bool
+PB_DS_CLASS_C_DEC::
+erase_in_pos_imp(key_const_reference r_key, const comp_hash& r_pos_hash_pair)
+{
+  PB_DS_ASSERT_VALID((*this))
+  entry_pointer p_e = m_entries[r_pos_hash_pair.first];
+  resize_base::notify_erase_search_start();
+  if (p_e == 0)
+    {
+      resize_base::notify_erase_search_end();
+      PB_DS_CHECK_KEY_DOES_NOT_EXIST(r_key)
+      PB_DS_ASSERT_VALID((*this))
+      return false;
+    }
+
+  if (hash_eq_fn_base::operator()(PB_DS_V2F(p_e->m_value), p_e->m_hash,
+                                 r_key, r_pos_hash_pair.second))
+    {
+      resize_base::notify_erase_search_end();
+      PB_DS_CHECK_KEY_EXISTS(r_key)
+      erase_entry_pointer(m_entries[r_pos_hash_pair.first]);
+      do_resize_if_needed_no_throw();
+      PB_DS_ASSERT_VALID((*this))
+      return true;
+    }
+
+  while (true)
+    {
+      entry_pointer p_next_e = p_e->m_p_next;
+      if (p_next_e == 0)
+       {
+         resize_base::notify_erase_search_end();
+         PB_DS_CHECK_KEY_DOES_NOT_EXIST(r_key)
+         PB_DS_ASSERT_VALID((*this))
+         return false;
+       }
+
+      if (hash_eq_fn_base::operator()(PB_DS_V2F(p_next_e->m_value),
+                                     p_next_e->m_hash, r_key,
+                                     r_pos_hash_pair.second))
+       {
+         resize_base::notify_erase_search_end();
+         PB_DS_CHECK_KEY_EXISTS(r_key)
+         erase_entry_pointer(p_e->m_p_next);
+         do_resize_if_needed_no_throw();
+         PB_DS_ASSERT_VALID((*this))
+         return true;
+       }
+      resize_base::notify_erase_search_collision();
+      p_e = p_next_e;
+    }
+}