diff options
Diffstat (limited to 'src/pulsecore/object.h')
| -rw-r--r-- | src/pulsecore/object.h | 51 |
1 files changed, 34 insertions, 17 deletions
diff --git a/src/pulsecore/object.h b/src/pulsecore/object.h index 43e79327..4c120cd5 100644 --- a/src/pulsecore/object.h +++ b/src/pulsecore/object.h @@ -34,21 +34,23 @@ typedef struct pa_object pa_object; struct pa_object { PA_REFCNT_DECLARE; - const char *type_name; + const char *type_id; void (*free)(pa_object *o); - int (*check_type)(const char *type_name); + pa_bool_t (*check_type)(const char *type_name); }; -pa_object *pa_object_new_internal(size_t size, const char *type_name, int (*check_type)(const char *type_name)); -#define pa_object_new(type) ((type*) pa_object_new_internal(sizeof(type), #type, type##_check_type) +pa_object *pa_object_new_internal(size_t size, const char *type_id, pa_bool_t (*check_type)(const char *type_id)); +#define pa_object_new(type) ((type*) pa_object_new_internal(sizeof(type), type##_type_id, type##_check_type) #define pa_object_free ((void (*) (pa_object* _obj)) pa_xfree) -int pa_object_check_type(const char *type); +pa_bool_t pa_object_check_type(const char *type_id); -static inline int pa_object_isinstance(void *o) { +extern const char pa_object_type_id[]; + +static inline pa_bool_t pa_object_isinstance(void *o) { pa_object *obj = (pa_object*) o; - return obj ? obj->check_type("pa_object") : 0; + return obj ? obj->check_type(pa_object_type_id) : TRUE; } pa_object *pa_object_ref(pa_object *o); @@ -60,7 +62,7 @@ static inline int pa_object_refcnt(pa_object *o) { static inline pa_object* pa_object_cast(void *o) { pa_object *obj = (pa_object*) o; - pa_assert(!obj || obj->check_type("pa_object")); + pa_assert(!obj || obj->check_type(pa_object_type_id)); return obj; } @@ -68,10 +70,10 @@ static inline pa_object* pa_object_cast(void *o) { #define PA_OBJECT(o) pa_object_cast(o) -#define PA_DECLARE_CLASS(c) \ - static inline int c##_isinstance(void *o) { \ +#define PA_DECLARE_CLASS_COMMON(c) \ + static inline pa_bool_t c##_isinstance(void *o) { \ pa_object *obj = (pa_object*) o; \ - return obj ? obj->check_type(#c) : 1; \ + return obj ? obj->check_type(c##_type_id) : TRUE; \ } \ static inline c* c##_cast(void *o) { \ pa_assert(c##_isinstance(o)); \ @@ -91,12 +93,27 @@ static inline pa_object* pa_object_cast(void *o) { } \ struct __stupid_useless_struct_to_allow_trailing_semicolon -#define PA_DEFINE_CHECK_TYPE(c, parent) \ - int c##_check_type(const char *type) { \ - pa_assert(type); \ - if (strcmp(type, #c) == 0) \ - return 1; \ - return parent##_check_type(type); \ +#define PA_DECLARE_PUBLIC_CLASS(c) \ + extern const char c##_type_id[]; \ + PA_DECLARE_CLASS_COMMON(c); \ + pa_bool_t c##_check_type(const char *type_id) + +#define PA_DEFINE_PUBLIC_CLASS(c, parent) \ + const char c##_type_id[] = #c; \ + pa_bool_t c##_check_type(const char *type_id) { \ + if (type_id == c##_type_id) \ + return TRUE; \ + return parent##_check_type(type_id); \ + } \ + struct __stupid_useless_struct_to_allow_trailing_semicolon + +#define PA_DEFINE_PRIVATE_CLASS(c, parent) \ + static const char c##_type_id[] = #c; \ + PA_DECLARE_CLASS_COMMON(c); \ + static pa_bool_t c##_check_type(const char *type_id) { \ + if (type_id == c##_type_id) \ + return TRUE; \ + return parent##_check_type(type_id); \ } \ struct __stupid_useless_struct_to_allow_trailing_semicolon |