cpp-d1064d

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

diff --git a/i686-linux-gnu-4.7/usr/include/c++/4.7/ext/pb_ds/detail/branch_policy/branch_policy.hpp b/i686-linux-gnu-4.7/usr/include/c++/4.7/ext/pb_ds/detail/branch_policy/branch_policy.hpp
new file mode 100644 (file)
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+++ b/i686-linux-gnu-4.7/usr/include/c++/4.7/ext/pb_ds/detail/branch_policy/branch_policy.hpp
@@ -0,0 +1,119 @@
+// -*- C++ -*-
+
+// Copyright (C) 2005, 2006, 2009, 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 branch_policy/branch_policy.hpp
+ * Contains a base class for branch policies.
+ */
+
+#ifndef PB_DS_BRANCH_POLICY_BASE_HPP
+#define PB_DS_BRANCH_POLICY_BASE_HPP
+
+#include <ext/pb_ds/tag_and_trait.hpp>
+
+namespace __gnu_pbds
+{
+  namespace detail
+  {
+    /// Primary template, base class for branch structure policies.
+    template<typename Node_CItr, typename Node_Itr, typename _Alloc>
+      struct branch_policy
+      {
+      protected:
+       typedef typename Node_Itr::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 remove_const<value_type>::type rcvalue_type;
+       typedef typename remove_const<key_type>::type   rckey_type;
+
+       typedef typename _Alloc::template rebind<rcvalue_type>::other rebind_v;
+       typedef typename _Alloc::template rebind<rckey_type>::other   rebind_k;
+
+       typedef typename rebind_v::reference            reference;
+       typedef typename rebind_v::const_reference      const_reference;
+       typedef typename rebind_v::const_pointer        const_pointer;
+
+       typedef typename rebind_k::const_reference      key_const_reference;
+
+       static inline key_const_reference
+       extract_key(const_reference r_val)
+       { return r_val.first; }
+
+       virtual it_type
+       end() = 0;
+
+       it_type
+       end_iterator() const
+       { return const_cast<branch_policy*>(this)->end(); }
+
+       virtual
+       ~branch_policy() { }
+      };
+
+    /// Specialization for const iterators.
+    template<typename Node_CItr, typename _Alloc>
+      struct branch_policy<Node_CItr, Node_CItr, _Alloc>
+      {
+      protected:
+       typedef typename Node_CItr::value_type             it_type;
+               typedef typename std::iterator_traits<it_type>::value_type value_type;
+       typedef typename remove_const<value_type>::type            rcvalue_type;
+       typedef typename _Alloc::template rebind<rcvalue_type>::other rebind_v;
+       typedef typename rebind_v::reference            reference;
+       typedef typename rebind_v::const_reference      const_reference;
+       typedef typename rebind_v::const_pointer        const_pointer;
+
+       typedef value_type                              key_type;
+       typedef typename rebind_v::const_reference      key_const_reference;
+
+       static inline key_const_reference
+       extract_key(const_reference r_val)
+       { return r_val; }
+
+       virtual it_type
+       end() const = 0;
+
+       it_type
+       end_iterator() const
+       { return end(); }
+
+       virtual
+       ~branch_policy() { }
+      };
+  } // namespace detail
+} // namespace __gnu_pbds
+
+#endif // #ifndef PB_DS_BRANCH_POLICY_BASE_HPP