event_subject.h
1.75 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
/**
* \file
*
* \author Georg Hopp
*
* \copyright
* Copyright © 2014 Georg Hopp
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef __TR_EVENT_SUBJECT_H__
#define __TR_EVENT_SUBJECT_H__
#include <sys/types.h>
#include <stdint.h>
#include "trbase.h"
TR_CLASS(TR_EventSubject) {
int fin;
size_t emitted;
};
TR_INSTANCE_INIT(TR_EventSubject);
TR_CLASSVARS_DECL(TR_EventSubject) {
size_t nevents;
intptr_t * events;
};
#include "tr/event.h"
#define TR_EVENT_CREATE(cls, event) \
TR_CLASSVARS(TR_EventSubject, (cls))->events[(event)] = \
(((intptr_t)(cls)) << 8 | (event))
#define TR_EVENT_DESTROY(cls, event) \
TR_CLASSVARS(TR_EventSubject, (cls))->events[(event)] = -1
#define TR_eventSubjectId(cname, idx) \
TR__eventSubjectId(TR_CLASS_BY_NAME(cname), idx)
#define TR_eventSubjectGetId(obj, idx) \
TR__eventSubjectId(TR_GET_CLASS(obj), idx)
#define TR_eventSubjectHasUnhandledEvents(es) ((es)->emitted > 0)
intptr_t TR__eventSubjectId(TR_class_ptr, size_t);
TR_Event TR_eventSubjectEmit(TR_EventSubject, int, void *);
#define TR_eventSubjectFinalize(es) ((es)->fin = TRUE)
#endif // __TR_EVENT_SUBJECT_H__
// vim: set ts=4 sw=4: