Imported gcc-4.4.3

[msp430-gcc.git] / libstdc++-v3 / include / ext / pb_ds / detail / basic_tree_policy / basic_tree_policy_base.hpp

diff --git a/libstdc++-v3/include/ext/pb_ds/detail/basic_tree_policy/basic_tree_policy_base.hpp b/libstdc++-v3/include/ext/pb_ds/detail/basic_tree_policy/basic_tree_policy_base.hpp
new file mode 100644 (file)
index 0000000..0ca90db
--- /dev/null
+++ b/libstdc++-v3/include/ext/pb_ds/detail/basic_tree_policy/basic_tree_policy_base.hpp
@@ -0,0 +1,173 @@
+// -*- 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 basic_tree_policy_base.hpp
+ * Contains a base class for tree_like policies.
+ */
+
+#ifndef PB_DS_TREE_LIKE_POLICY_BASE_HPP
+#define PB_DS_TREE_LIKE_POLICY_BASE_HPP
+
+namespace __gnu_pbds
+{
+  namespace detail
+  {
+
+#define PB_DS_CLASS_C_DEC                                              \
+    basic_tree_policy_base<                                            \
+                                                       Const_Node_Iterator, \
+                                                       Node_Iterator,  \
+                                                       Allocator>
+
+    template<typename Const_Node_Iterator,
+            typename Node_Iterator,
+            typename Allocator>
+    struct basic_tree_policy_base
+    {
+    protected:
+      typedef typename Node_Iterator::value_type it_type;
+
+      typedef typename std::iterator_traits< it_type>::value_type value_type;
+
+      typedef typename value_type::first_type key_type;
+
+      typedef
+      typename Allocator::template rebind<
+       typename remove_const<
+       key_type>::type>::other::const_reference
+      const_key_reference;
+
+      typedef
+      typename Allocator::template rebind<
+       typename remove_const<
+       value_type>::type>::other::const_reference
+      const_reference;
+
+      typedef
+      typename Allocator::template rebind<
+       typename remove_const<
+       value_type>::type>::other::reference
+      reference;
+
+      typedef
+      typename Allocator::template rebind<
+       typename remove_const<
+       value_type>::type>::other::const_pointer
+      const_pointer;
+
+      static inline const_key_reference
+      extract_key(const_reference r_val)
+      {
+       return (r_val.first);
+      }
+
+      virtual it_type
+      end() = 0;
+
+      it_type
+      end_iterator() const
+      {
+       return (const_cast<PB_DS_CLASS_C_DEC* >(this)->end());
+      }
+
+      virtual
+      ~basic_tree_policy_base()
+      { }
+    };
+
+    template<typename Const_Node_Iterator, typename Allocator>
+    struct basic_tree_policy_base<
+      Const_Node_Iterator,
+      Const_Node_Iterator,
+      Allocator>
+    {
+    protected:
+      typedef typename Const_Node_Iterator::value_type it_type;
+
+      typedef typename std::iterator_traits< it_type>::value_type value_type;
+
+      typedef value_type key_type;
+
+      typedef
+      typename Allocator::template rebind<
+       typename remove_const<
+       key_type>::type>::other::const_reference
+      const_key_reference;
+
+      typedef
+      typename Allocator::template rebind<
+       typename remove_const<
+       value_type>::type>::other::const_reference
+      const_reference;
+
+      typedef
+      typename Allocator::template rebind<
+       typename remove_const<
+       value_type>::type>::other::reference
+      reference;
+
+      typedef
+      typename Allocator::template rebind<
+       typename remove_const<
+       value_type>::type>::other::const_pointer
+      const_pointer;
+
+      static inline const_key_reference
+      extract_key(const_reference r_val)
+      {
+       return (r_val);
+      }
+
+      virtual it_type
+      end() const = 0;
+
+      it_type
+      end_iterator() const
+      {
+       return (end());
+      }
+
+      virtual
+      ~basic_tree_policy_base()
+      { }
+    };
+
+#undef PB_DS_CLASS_C_DEC
+
+  } // namespace detail
+} // namespace __gnu_pbds
+
+#endif // #ifndef PB_DS_TREE_LIKE_POLICY_BASE_HPP