pat_trie_/traits.hpp
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// -*- C++ -*-
// Copyright (C) 2005-2013 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 pat_trie_/traits.hpp
* Contains an implementation class for pat_trie_.
*/
#ifndef PB_DS_PAT_TRIE_NODE_AND_IT_TRAITS_HPP
#define PB_DS_PAT_TRIE_NODE_AND_IT_TRAITS_HPP
#include <ext/pb_ds/detail/pat_trie_/pat_trie_base.hpp>
#include <ext/pb_ds/detail/pat_trie_/synth_access_traits.hpp>
namespace __gnu_pbds
{
namespace detail
{
/// Specialization.
/// @ingroup traits
template<typename Key,
typename Mapped,
typename _ATraits,
template<typename Node_CItr,
typename Node_Itr,
typename Cmp_Fn_,
typename _Alloc_>
class Node_Update,
typename _Alloc>
struct trie_traits<Key, Mapped, _ATraits, Node_Update, pat_trie_tag, _Alloc>
{
private:
typedef pat_trie_base base_type;
typedef types_traits<Key, Mapped, _Alloc, false> type_traits;
public:
typedef typename trie_node_metadata_dispatch<Key, Mapped, _ATraits, Node_Update, _Alloc>::type metadata_type;
typedef base_type::_Metadata<metadata_type, _Alloc> metadata;
typedef _ATraits access_traits;
/// Type for synthesized traits.
typedef __gnu_pbds::detail::synth_access_traits<type_traits, false, access_traits> synth_access_traits;
typedef base_type::_Node_base<synth_access_traits, metadata> node;
typedef base_type::_Head<synth_access_traits, metadata> head;
typedef base_type::_Leaf<synth_access_traits, metadata> leaf;
typedef base_type::_Inode<synth_access_traits, metadata> inode;
typedef base_type::_Iter<node, leaf, head, inode, true> iterator;
typedef base_type::_CIter<node, leaf, head, inode, true> const_iterator;
typedef base_type::_Iter<node, leaf, head, inode, false> reverse_iterator;
typedef base_type::_CIter<node, leaf, head, inode, false> const_reverse_iterator;
/// This is an iterator to an iterator: it iterates over nodes,
/// and de-referencing it returns one of the tree's iterators.
typedef base_type::_Node_citer<node, leaf, head, inode, const_iterator, iterator, _Alloc> node_const_iterator;
typedef base_type::_Node_iter<node, leaf, head, inode, const_iterator, iterator, _Alloc> node_iterator;
/// Type for node update.
typedef Node_Update<node_const_iterator, node_iterator, _ATraits, _Alloc> node_update;
typedef null_node_update<node_const_iterator, node_iterator, _ATraits, _Alloc>* null_node_update_pointer;
};
/// Specialization.
/// @ingroup traits
template<typename Key,
typename _ATraits,
template<typename Node_CItr,
typename Node_Itr,
typename Cmp_Fn_,
typename _Alloc_>
class Node_Update,
typename _Alloc>
struct trie_traits<Key, null_type, _ATraits, Node_Update, pat_trie_tag, _Alloc>
{
private:
typedef pat_trie_base base_type;
typedef types_traits<Key, null_type, _Alloc, false> type_traits;
public:
typedef typename trie_node_metadata_dispatch<Key, null_type, _ATraits, Node_Update, _Alloc>::type metadata_type;
typedef base_type::_Metadata<metadata_type, _Alloc> metadata;
typedef _ATraits access_traits;
/// Type for synthesized traits.
typedef __gnu_pbds::detail::synth_access_traits<type_traits, true, access_traits> synth_access_traits;
typedef base_type::_Node_base<synth_access_traits, metadata> node;
typedef base_type::_Head<synth_access_traits, metadata> head;
typedef base_type::_Leaf<synth_access_traits, metadata> leaf;
typedef base_type::_Inode<synth_access_traits, metadata> inode;
typedef base_type::_CIter<node, leaf, head, inode, true> const_iterator;
typedef const_iterator iterator;
typedef base_type::_CIter<node, leaf, head, inode, false> const_reverse_iterator;
typedef const_reverse_iterator reverse_iterator;
/// This is an iterator to an iterator: it iterates over nodes,
/// and de-referencing it returns one of the tree's iterators.
typedef base_type::_Node_citer<node, leaf, head, inode, const_iterator, iterator, _Alloc> node_const_iterator;
typedef node_const_iterator node_iterator;
/// Type for node update.
typedef Node_Update<node_const_iterator, node_iterator, _ATraits, _Alloc> node_update;
typedef null_node_update<node_const_iterator, node_const_iterator, _ATraits, _Alloc>* null_node_update_pointer;
};
} // namespace detail
} // namespace __gnu_pbds
#endif // #ifndef PB_DS_PAT_TRIE_NODE_AND_IT_TRAITS_HPP