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Diffstat (limited to 'gcc-4.4.3/libstdc++-v3/include/ext/pb_ds/detail/basic_tree_policy/basic_tree_policy_base.hpp')
-rw-r--r-- | gcc-4.4.3/libstdc++-v3/include/ext/pb_ds/detail/basic_tree_policy/basic_tree_policy_base.hpp | 173 |
1 files changed, 173 insertions, 0 deletions
diff --git a/gcc-4.4.3/libstdc++-v3/include/ext/pb_ds/detail/basic_tree_policy/basic_tree_policy_base.hpp b/gcc-4.4.3/libstdc++-v3/include/ext/pb_ds/detail/basic_tree_policy/basic_tree_policy_base.hpp new file mode 100644 index 000000000..0ca90dbc7 --- /dev/null +++ b/gcc-4.4.3/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 |