1 // +------------------------------------------------------------------+
2 // | ____ _ _ __ __ _ __ |
3 // | / ___| |__ ___ ___| | __ | \/ | |/ / |
4 // | | | | '_ \ / _ \/ __| |/ / | |\/| | ' / |
5 // | | |___| | | | __/ (__| < | | | | . \ |
6 // | \____|_| |_|\___|\___|_|\_\___|_| |_|_|\_\ |
7 // | |
8 // | Copyright Mathias Kettner 2014 mk@mathias-kettner.de |
9 // +------------------------------------------------------------------+
10 //
11 // This file is part of Check_MK.
12 // The official homepage is at http://mathias-kettner.de/check_mk.
13 //
14 // check_mk is free software; you can redistribute it and/or modify it
15 // under the terms of the GNU General Public License as published by
16 // the Free Software Foundation in version 2. check_mk is distributed
17 // in the hope that it will be useful, but WITHOUT ANY WARRANTY; with-
18 // out even the implied warranty of MERCHANTABILITY or FITNESS FOR A
19 // PARTICULAR PURPOSE. See the GNU General Public License for more de-
20 // ails. You should have received a copy of the GNU General Public
21 // License along with GNU Make; see the file COPYING. If not, write
22 // to the Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
23 // Boston, MA 02110-1301 USA.
24
25 #include "OringFilter.h"
26 #include "Filter.h"
27
accepts(void * data)28 bool OringFilter::accepts(void *data) {
29 for (auto filter : _subfilters) {
30 if (filter->accepts(data)) {
31 return true;
32 }
33 }
34 return false;
35 }
36
optimizeBitmask(const char * columnname,uint32_t * mask)37 bool OringFilter::optimizeBitmask(const char *columnname, uint32_t *mask) {
38 // We can only optimize, if *all* subfilters are filters for the
39 // same column.
40 uint32_t m = 0;
41
42 for (auto filter : _subfilters) {
43 uint32_t mm = 0xffffffff;
44 if (!filter->optimizeBitmask(columnname, &mm)) {
45 return false; // wrong column
46 }
47 m |= mm;
48 }
49 *mask &= m;
50 return true;
51 }
52