xref: /openbsd-src/gnu/gcc/libstdc++-v3/include/ext/pb_ds/detail/pat_trie_/leaf.hpp (revision 404b540a9034ac75a6199ad1a32d1bbc7a0d4210)
1 // -*- C++ -*-
2 
3 // Copyright (C) 2005, 2006 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 2, or (at your option) any later
9 // version.
10 
11 // This library is distributed in the hope that it will be useful, but
12 // WITHOUT ANY WARRANTY; without even the implied warranty of
13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
14 // General Public License for more details.
15 
16 // You should have received a copy of the GNU General Public License
17 // along with this library; see the file COPYING.  If not, write to
18 // the Free Software Foundation, 59 Temple Place - Suite 330, Boston,
19 // MA 02111-1307, USA.
20 
21 // As a special exception, you may use this file as part of a free
22 // software library without restriction.  Specifically, if other files
23 // instantiate templates or use macros or inline functions from this
24 // file, or you compile this file and link it with other files to
25 // produce an executable, this file does not by itself cause the
26 // resulting executable to be covered by the GNU General Public
27 // License.  This exception does not however invalidate any other
28 // reasons why the executable file might be covered by the GNU General
29 // Public License.
30 
31 // Copyright (C) 2004 Ami Tavory and Vladimir Dreizin, IBM-HRL.
32 
33 // Permission to use, copy, modify, sell, and distribute this software
34 // is hereby granted without fee, provided that the above copyright
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40 // warranty.
41 
42 /**
43  * @file leaf.hpp
44  * Contains a pat_trie_leaf for a patricia tree.
45  */
46 
47 #ifndef PB_DS_PAT_TRIE_LEAF_HPP
48 #define PB_DS_PAT_TRIE_LEAF_HPP
49 
50 #include <debug/debug.h>
51 
52 namespace pb_ds
53 {
54   namespace detail
55   {
56 
57 #define PB_DS_CLASS_T_DEC						\
58     template<								\
59 						class Type_Traits,	\
60 						class E_Access_Traits,	\
61 						class Metadata,		\
62 						class Allocator>
63 
64 #define PB_DS_CLASS_C_DEC						\
65     pat_trie_leaf<							\
66 						Type_Traits,		\
67 						E_Access_Traits,	\
68 						Metadata,		\
69 						Allocator>
70 
71 #define PB_DS_BASE_C_DEC					\
72     pat_trie_node_base<						\
73 					Type_Traits,		\
74 					E_Access_Traits,	\
75 					Metadata,		\
76 					Allocator>
77 
78 #define PB_DS_PAT_TRIE_SUBTREE_DEBUG_INFO_C_DEC				\
79     pat_trie_subtree_debug_info<					\
80 							Type_Traits,	\
81 							E_Access_Traits, \
82 							Allocator>
83 
84     template<typename Type_Traits,
85 	     class E_Access_Traits,
86 	     class Metadata,
87 	     class Allocator>
88     struct pat_trie_leaf : public PB_DS_BASE_C_DEC
89     {
90     private:
91       typedef typename Type_Traits::value_type value_type;
92 
93       typedef typename Type_Traits::const_reference const_reference;
94 
95       typedef typename Type_Traits::reference reference;
96 
97       typedef
98       typename Allocator::template rebind<
99 	E_Access_Traits>::other::const_pointer
100       const_e_access_traits_pointer;
101 
102 #ifdef _GLIBCXX_DEBUG
103       typedef
104       typename PB_DS_BASE_C_DEC::subtree_debug_info
105       subtree_debug_info;
106 #endif
107 
108       typedef PB_DS_BASE_C_DEC base_type;
109 
110     public:
111       pat_trie_leaf(const_reference r_val);
112 
113       inline reference
114       value();
115 
116       inline const_reference
117       value() const;
118 
119 #ifdef _GLIBCXX_DEBUG
120       virtual subtree_debug_info
121       assert_valid_imp(const_e_access_traits_pointer p_traits) const;
122 
123       virtual
124       ~pat_trie_leaf();
125 #endif
126 
127     private:
128       pat_trie_leaf(const PB_DS_CLASS_C_DEC& other);
129 
130       value_type m_value;
131     };
132 
133     PB_DS_CLASS_T_DEC
134     PB_DS_CLASS_C_DEC::
pat_trie_leaf(const_reference r_val)135     pat_trie_leaf(const_reference r_val) :
136     PB_DS_BASE_C_DEC(pat_trie_leaf_node_type), m_value(r_val)
137     { }
138 
139     PB_DS_CLASS_T_DEC
140     inline typename PB_DS_CLASS_C_DEC::reference
141     PB_DS_CLASS_C_DEC::
value()142     value()
143     { return m_value; }
144 
145     PB_DS_CLASS_T_DEC
146     inline typename PB_DS_CLASS_C_DEC::const_reference
147     PB_DS_CLASS_C_DEC::
value() const148     value() const
149     { return m_value; }
150 
151 #ifdef _GLIBCXX_DEBUG
152     PB_DS_CLASS_T_DEC
153     typename PB_DS_CLASS_C_DEC::subtree_debug_info
154     PB_DS_CLASS_C_DEC::
assert_valid_imp(const_e_access_traits_pointer p_traits) const155     assert_valid_imp(const_e_access_traits_pointer p_traits) const
156     {
157       _GLIBCXX_DEBUG_ASSERT(base_type::m_type == pat_trie_leaf_node_type);
158       subtree_debug_info ret;
159       const_reference r_val = value();
160       return std::make_pair(p_traits->begin(p_traits->extract_key(r_val)),
161 			     p_traits->end(p_traits->extract_key(r_val)));
162     }
163 
164     PB_DS_CLASS_T_DEC
165     PB_DS_CLASS_C_DEC::
~pat_trie_leaf()166     ~pat_trie_leaf() { }
167 #endif
168 
169 #undef PB_DS_CLASS_T_DEC
170 #undef PB_DS_CLASS_C_DEC
171 #undef PB_DS_BASE_C_DEC
172 #undef PB_DS_PAT_TRIE_SUBTREE_DEBUG_INFO_C_DEC
173 
174   } // namespace detail
175 } // namespace pb_ds
176 
177 #endif
178