comparison: obj.h
obj.h
- changeset 60
- a4033700e35c
- child 62
- aae5facf9fc5
equal
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| 59:d8ecbeda7683 | 60:a4033700e35c |
|---|---|
| 1 /* | |
| 2 * libtu/obj.h | |
| 3 * | |
| 4 * Copyright (c) Tuomo Valkonen 1999-2004. | |
| 5 * | |
| 6 * You may distribute and modify this library under the terms of either | |
| 7 * the Clarified Artistic License or the GNU LGPL, version 2.1 or later. | |
| 8 */ | |
| 9 | |
| 10 #ifndef LIBTU_OBJ_H | |
| 11 #define LIBTU_OBJ_H | |
| 12 | |
| 13 #include "types.h" | |
| 14 | |
| 15 #define CLASSDESCR(TYPE) TYPE##_classdescr | |
| 16 | |
| 17 #define OBJ_IS(OBJ, TYPE) obj_is((Obj*)OBJ, &CLASSDESCR(TYPE)) | |
| 18 #define OBJ_CAST(OBJ, TYPE) (TYPE*)obj_cast((Obj*)OBJ, &CLASSDESCR(TYPE)) | |
| 19 | |
| 20 #define INTRSTRUCT(STRU) \ | |
| 21 struct STRU##_struct; typedef struct STRU##_struct STRU | |
| 22 #define DECLSTRUCT(STRU) \ | |
| 23 struct STRU##_struct | |
| 24 | |
| 25 #define INTRCLASS(OBJ) INTRSTRUCT(OBJ); extern ClassDescr CLASSDESCR(OBJ) | |
| 26 #define DECLCLASS(OBJ) DECLSTRUCT(OBJ) | |
| 27 | |
| 28 INTRSTRUCT(ClassDescr); | |
| 29 INTRCLASS(Obj); | |
| 30 INTRSTRUCT(Watch); | |
| 31 | |
| 32 extern bool obj_is(const Obj *obj, const ClassDescr *descr); | |
| 33 extern bool obj_is_str(const Obj *obj, const char *str); | |
| 34 extern const void *obj_cast(const Obj *obj, const ClassDescr *descr); | |
| 35 | |
| 36 extern void destroy_obj(Obj *obj); | |
| 37 | |
| 38 DECLCLASS(Obj){ | |
| 39 ClassDescr *obj_type; | |
| 40 Watch *obj_watches; | |
| 41 int flags; | |
| 42 }; | |
| 43 | |
| 44 #define OBJ_DEST 0x0001 | |
| 45 #define OBJ_EXTL_CACHED 0x0002 | |
| 46 | |
| 47 #define OBJ_IS_BEING_DESTROYED(OBJ) (((Obj*)(OBJ))->flags&OBJ_DEST) | |
| 48 | |
| 49 #define DYNFUN | |
| 50 | |
| 51 typedef void WatchHandler(Watch *watch, Obj *obj); | |
| 52 | |
| 53 #define WWATCH_INIT {NULL, NULL, NULL, NULL} | |
| 54 | |
| 55 DECLSTRUCT(Watch){ | |
| 56 Obj *obj; | |
| 57 Watch *next, *prev; | |
| 58 WatchHandler *handler; | |
| 59 }; | |
| 60 | |
| 61 extern bool watch_setup(Watch *watch, Obj *obj, | |
| 62 WatchHandler *handler); | |
| 63 extern void watch_reset(Watch *watch); | |
| 64 extern bool watch_ok(Watch *watch); | |
| 65 extern void watch_init(Watch *watch); | |
| 66 extern void watch_call(Obj *obj); | |
| 67 | |
| 68 #endif /* LIBTU_OBJ_H */ |
