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1 /*GPL*START*
2 * tbaseexception - basic exceptions (used by tstring)
3 *
4 * Copyright (C) 1998 by Johannes Overmann <overmann@iname.com>
5 * Copyright (C) 2008 by Tong Sun <suntong001@users.sourceforge.net>
6 *
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 2 of the License, or
10 * (at your option) any later version.
11 *
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
16 *
17 * You should have received a copy of the GNU General Public License along
18 * with this program; if not, write to the Free Software Foundation, Inc.,
19 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
20 * *GPL*END*/
21
22 #ifndef _ngw_tbaseexception_h_
23 #define _ngw_tbaseexception_h_
24
25 #include <string.h>
26
27 // history:
28 // 1999:
29 // 17:02 04 Jun derived from terror.h
30
31
32 // base class of all exceptions
33 class TException {
34 public:
35 virtual ~TException() { }
36 };
37
38 // general exceptions, also base classes
39 class TIndexOutOfRangeException: public TException {
40 public:
41 TIndexOutOfRangeException(int lower, int index, int upper):
42 lower(lower), index(index), upper(upper) {}
43 int lower, index, upper;
44 };
45
46 class TZeroBasedIndexOutOfRangeException: public TIndexOutOfRangeException {
47 public:
48 TZeroBasedIndexOutOfRangeException(int index, int total_num):
49 TIndexOutOfRangeException(0, index, total_num-1) {}
50 };
51
52 class TErrnoException: public TException {
53 public:
54 TErrnoException(int err): err(err) {}
55 const char *str() const {return strerror(err);}
56 int err;
57 };
58
59 #endif