1 /* Copyright (C) 2021 Free Software Foundation, Inc.
2    Contributed by Oracle.
3 
4    This file is part of GNU Binutils.
5 
6    This program is free software; you can redistribute it and/or modify
7    it under the terms of the GNU General Public License as published by
8    the Free Software Foundation; either version 3, or (at your option)
9    any later version.
10 
11    This program is distributed in the hope that it will be useful,
12    but WITHOUT ANY WARRANTY; without even the implied warranty of
13    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14    GNU General Public License for more details.
15 
16    You should have received a copy of the GNU General Public License
17    along with this program; if not, write to the Free Software
18    Foundation, 51 Franklin Street - Fifth Floor, Boston,
19    MA 02110-1301, USA.  */
20 
21 /*
22  *	Index Map2D implementation.
23  *
24  *    Index Map2D is dynamic two dimensional array
25  */
26 
27 #ifndef _DBE_INDEXMAP2D_H
28 #define _DBE_INDEXMAP2D_H
29 
30 #include <assert.h>
31 #include <vec.h>
32 #include <Map2D.h>
33 
34 template <typename Key1_t, typename Key2_t, typename Value_t>
35 class IndexMap2D : public Map2D<Key1_t, Key2_t, Value_t>
36 {
37 public:
38 
39   IndexMap2D ();
40   ~IndexMap2D ();
41 
42   void put (Key1_t key1, Key2_t key2, Value_t val);
43   Value_t get (Key1_t key1, Key2_t key2);
44   Value_t get (Key1_t key1, Key2_t key2,
45 	       typename Map2D<Key1_t, Key2_t, Value_t>::Relation rel);
46   Value_t remove (Key1_t key1, Key2_t key2);
47 
48 private:
49 
50   Vector<Vector<Value_t>*> *map1;
51 };
52 
53 template <typename Key1_t, typename Key2_t, typename Value_t>
IndexMap2D()54 IndexMap2D<Key1_t, Key2_t, Value_t>::IndexMap2D ()
55 {
56   map1 = new Vector<Vector<Value_t>*>;
57 }
58 
59 template <typename Key1_t, typename Key2_t, typename Value_t>
~IndexMap2D()60 IndexMap2D<Key1_t, Key2_t, Value_t>::~IndexMap2D ()
61 {
62   map1->destroy ();
63   delete map1;
64 }
65 
66 template <typename Key1_t, typename Key2_t, typename Value_t>
67 void
put(Key1_t key1,Key2_t key2,Value_t val)68 IndexMap2D<Key1_t, Key2_t, Value_t>::put (Key1_t key1, Key2_t key2, Value_t val)
69 {
70   if (key1 < 0 || key2 < 0)
71     return;
72   Vector<Value_t> *map2 = NULL;
73   if (key1 < map1->size ())
74     map2 = map1->fetch ((int) key1);
75   if (map2 == NULL)
76     {
77       map2 = new Vector<Value_t>;
78       map1->store ((int) key1, map2);
79     }
80   map2->store ((int) key2, val);
81 }
82 
83 template <typename Key1_t, typename Key2_t, typename Value_t>
84 Value_t
get(Key1_t key1,Key2_t key2)85 IndexMap2D<Key1_t, Key2_t, Value_t>::get (Key1_t key1, Key2_t key2)
86 {
87   if (key1 < 0 || key1 >= map1->size () || key2 < 0)
88     return (Value_t) 0;
89   Vector<Value_t> *map2 = map1->fetch ((int) key1);
90   if (map2 == NULL || key2 >= map2->size ())
91     return (Value_t) 0;
92   return map2->fetch ((int) key2);
93 }
94 
95 template <typename Key1_t, typename Key2_t, typename Value_t>
96 Value_t
get(Key1_t key1,Key2_t key2,typename Map2D<Key1_t,Key2_t,Value_t>::Relation rel)97 IndexMap2D<Key1_t, Key2_t, Value_t>::get (Key1_t key1, Key2_t key2,
98 			  typename Map2D<Key1_t, Key2_t, Value_t>::Relation rel)
99 {
100   if (rel != Map2D<Key1_t, Key2_t, Value_t>::REL_EQEQ)
101     return (Value_t) 0;
102   return get (key1, key2);
103 }
104 
105 template <typename Key1_t, typename Key2_t, typename Value_t>
106 Value_t
remove(Key1_t key1,Key2_t key2)107 IndexMap2D<Key1_t, Key2_t, Value_t>::remove (Key1_t key1, Key2_t key2)
108 {
109   if (key1 < 0 || key1 >= map1->size () || key2 < 0)
110     return (Value_t) 0;
111   Vector<Value_t> *map2 = map1->fetch ((int) key1);
112   if (map2 == NULL || key2 >= map2->size ())
113     return (Value_t) 0;
114   Value_t res = map2->fetch ((int) key2);
115   map2->store ((int) key2, (Value_t) 0);
116   return res;
117 }
118 
119 #endif
120