libstdc++
pat_trie_/traits.hpp
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1 // -*- C++ -*-
2 
3 // Copyright (C) 2005, 2006, 2009, 2011 Free Software Foundation, Inc.
4 //
5 // This file is part of the GNU ISO C++ Library. This library is free
6 // software; you can redistribute it and/or modify it under the terms
7 // of the GNU General Public License as published by the Free Software
8 // Foundation; either version 3, or (at your option) any later
9 // version.
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11 // This library is distributed in the hope that it will be useful, but
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16 // Under Section 7 of GPL version 3, you are granted additional
17 // permissions described in the GCC Runtime Library Exception, version
18 // 3.1, as published by the Free Software Foundation.
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20 // You should have received a copy of the GNU General Public License and
21 // a copy of the GCC Runtime Library Exception along with this program;
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24 
25 // Copyright (C) 2004 Ami Tavory and Vladimir Dreizin, IBM-HRL.
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27 // Permission to use, copy, modify, sell, and distribute this software
28 // is hereby granted without fee, provided that the above copyright
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35 
36 /**
37  * @file pat_trie_/traits.hpp
38  * Contains an implementation class for pat_trie_.
39  */
40 
41 #ifndef PB_DS_PAT_TRIE_NODE_AND_IT_TRAITS_HPP
42 #define PB_DS_PAT_TRIE_NODE_AND_IT_TRAITS_HPP
43 
46 
47 namespace __gnu_pbds
48 {
49  namespace detail
50  {
51  /// Specialization.
52  /// @ingroup traits
53  template<typename Key,
54  typename Mapped,
55  typename _ATraits,
56  template<typename Node_CItr,
57  typename Node_Itr,
58  typename Cmp_Fn_,
59  typename _Alloc_>
60  class Node_Update,
61  typename _Alloc>
62  struct trie_traits<Key, Mapped, _ATraits, Node_Update, pat_trie_tag, _Alloc>
63  {
64  private:
65  typedef pat_trie_base base_type;
67 
68  public:
69  typedef typename trie_node_metadata_dispatch<Key, Mapped, _ATraits, Node_Update, _Alloc>::type metadata_type;
71  typedef _ATraits access_traits;
72 
73  /// Type for synthesized traits.
75 
80 
85 
86  /// This is an iterator to an iterator: it iterates over nodes,
87  /// and de-referencing it returns one of the tree's iterators.
89 
91 
92  /// Type for node update.
93  typedef Node_Update<node_const_iterator, node_iterator, _ATraits, _Alloc> node_update;
94 
96  };
97 
98 
99  /// Specialization.
100  /// @ingroup traits
101  template<typename Key,
102  typename _ATraits,
103  template<typename Node_CItr,
104  typename Node_Itr,
105  typename Cmp_Fn_,
106  typename _Alloc_>
107  class Node_Update,
108  typename _Alloc>
109  struct trie_traits<Key, null_type, _ATraits, Node_Update, pat_trie_tag, _Alloc>
110  {
111  private:
112  typedef pat_trie_base base_type;
114 
115  public:
116  typedef typename trie_node_metadata_dispatch<Key, null_type, _ATraits, Node_Update, _Alloc>::type metadata_type;
118  typedef _ATraits access_traits;
119 
120  /// Type for synthesized traits.
122 
127 
129  typedef const_iterator iterator;
132 
133  /// This is an iterator to an iterator: it iterates over nodes,
134  /// and de-referencing it returns one of the tree's iterators.
136 
138 
139  /// Type for node update.
140  typedef Node_Update<node_const_iterator, node_iterator, _ATraits, _Alloc> node_update;
141 
143  };
144 
145  } // namespace detail
146 } // namespace __gnu_pbds
147 
148 #endif // #ifndef PB_DS_PAT_TRIE_NODE_AND_IT_TRAITS_HPP