modules/up/src/gnug++/CacheKey.CacheValue.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, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
17 */
18
19 #ifdef __GNUG__
20 #pragma implementation
21 #endif
22 #include "CacheKey.CacheValue.Map.h"
23 #include <builtin.h>
24
25
26 Pix CacheKeyCacheValueMap::seek(CacheKey item)
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27 {
28 Pix i;
29 for (i = first(); i != 0 && !(CacheKeyEQ(key(i), item)); next(i));
30 return i;
31 }
32
33 int CacheKeyCacheValueMap::owns(Pix idx)
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34 {
35 if (idx == 0) return 0;
36 for (Pix i = first(); i; next(i)) if (i == idx) return 1;
37 return 0;
38 }
39
40 void CacheKeyCacheValueMap::clear()
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41 {
42 Pix i = first();
43 while (i != 0)
44 {
45 del(key(i));
46 i = first();
47 }
48 }
49
50 int CacheKeyCacheValueMap::contains (CacheKey item)
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51 {
52 return seek(item) != 0;
53 }
54
55
56 void CacheKeyCacheValueMap::error(const char* msg)
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57 {
58 (*lib_error_handler)("Map", msg);
59 }