modules/up/src/gnug++/int.int.Map.cc
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FUNCTIONS
This source file includes following functions.
- seek
- owns
- clear
- contains
- error
1 // This may look like C code, but it is really -*- C++ -*-
2 /*
3 Copyright (C) 1988 Free Software Foundation
4 written by Doug Lea (dl@rocky.oswego.edu)
5
6 This file is part of the GNU C++ Library. This library is free
7 software; you can redistribute it and/or modify it under the terms of
8 the GNU Library General Public License as published by the Free
9 Software Foundation; either version 2 of the License, or (at your
10 option) any later version. This library is distributed in the hope
11 that it will be useful, but WITHOUT ANY WARRANTY; without even the
12 implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
13 PURPOSE. See the GNU Library General Public License for more details.
14 You should have received a copy of the GNU Library General Public
15 License along with this library; if not, write to the Free Software
16 Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
17 */
18
19 #ifdef __GNUG__
20 #pragma implementation
21 #endif
22 #include "config.h"
23 #include <builtin.h>
24 #include "int.int.Map.h"
25
26
27 Pix intintMap::seek(int item)
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28 {
29 Pix i;
30 for (i = first(); i != 0 && !(intEQ(key(i), item)); next(i));
31 return i;
32 }
33
34 int intintMap::owns(Pix idx)
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35 {
36 if (idx == 0) return 0;
37 for (Pix i = first(); i; next(i)) if (i == idx) return 1;
38 return 0;
39 }
40
41 void intintMap::clear()
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42 {
43 Pix i = first();
44 while (i != 0)
45 {
46 del(key(i));
47 i = first();
48 }
49 }
50
51 int intintMap::contains (int item)
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52 {
53 return seek(item) != 0;
54 }
55
56
57 void intintMap::error(const char* msg)
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58 {
59 (*lib_error_handler)("Map", msg);
60 }