1 | /* |
2 | Copyright (c) 1999-2001 the KMime authors. |
3 | See file AUTHORS for details |
4 | |
5 | This library is free software; you can redistribute it and/or |
6 | modify it under the terms of the GNU Library General Public |
7 | License as published by the Free Software Foundation; either |
8 | version 2 of the License, or (at your option) any later version. |
9 | |
10 | This library is distributed in the hope that it will be useful, |
11 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
13 | Library General Public License for more details. |
14 | |
15 | You should have received a copy of the GNU Library General Public License |
16 | along with this library; see the file COPYING.LIB. If not, write to |
17 | the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, |
18 | Boston, MA 02110-1301, USA. |
19 | */ |
20 | /** |
21 | @file |
22 | This file is part of the API for handling MIME data and |
23 | defines the BoolFlags class. |
24 | |
25 | @brief |
26 | Defines the BoolFlags class. |
27 | |
28 | @author see AUTHORS file. |
29 | */ |
30 | |
31 | #include "boolflags.h" |
32 | |
33 | using namespace KMime; |
34 | |
35 | void BoolFlags::set( unsigned int i, bool b ) |
36 | { |
37 | if ( i > 15 ) { |
38 | return; |
39 | } |
40 | |
41 | unsigned char p; //bitmask |
42 | int n; |
43 | |
44 | if ( i < 8 ) { //first byte |
45 | p = ( 1 << i ); |
46 | n = 0; |
47 | } else { //second byte |
48 | p = ( 1 << ( i - 8 ) ); |
49 | n = 1; |
50 | } |
51 | |
52 | if ( b ) { |
53 | mBits[n] = mBits[n] | p; |
54 | } else { |
55 | mBits[n] = mBits[n] & ( 255 - p ); |
56 | } |
57 | } |
58 | |
59 | bool BoolFlags::get( unsigned int i ) |
60 | { |
61 | if ( i > 15 ) { |
62 | return false; |
63 | } |
64 | |
65 | unsigned char p; //bitmask |
66 | int n; |
67 | |
68 | if ( i < 8 ) { //first byte |
69 | p = ( 1 << i ); |
70 | n = 0; |
71 | } else { //second byte |
72 | p = ( 1 << ( i - 8 ) ); |
73 | n = 1; |
74 | } |
75 | |
76 | return ( ( mBits[n] & p ) > 0 ); |
77 | } |
78 | |