NULL, /* parent */
TRUE, /* immutable */
{
- hb_unicode_get_combining_class_nil,
- hb_unicode_get_eastasian_width_nil,
- hb_unicode_get_general_category_nil,
- hb_unicode_get_mirroring_nil,
- hb_unicode_get_script_nil,
+#define HB_UNICODE_FUNC_IMPLEMENT(name) hb_unicode_get_##name##_nil,
+ HB_UNICODE_FUNCS_IMPLEMENT_CALLBACKS
+#undef HB_UNICODE_FUNC_IMPLEMENT
}
};
hb_unicode_funcs_t *
+hb_unicode_funcs_get_default (void)
+{
+ return &_hb_unicode_funcs_default;
+}
+
+hb_unicode_funcs_t *
hb_unicode_funcs_create (hb_unicode_funcs_t *parent)
{
hb_unicode_funcs_t *ufuncs;
- if (!HB_OBJECT_DO_CREATE (hb_unicode_funcs_t, ufuncs))
+ if (!(ufuncs = hb_object_create<hb_unicode_funcs_t> ()))
return &_hb_unicode_funcs_nil;
- if (parent != NULL)
- {
- hb_unicode_funcs_make_immutable (parent);
- ufuncs->parent = hb_unicode_funcs_reference (parent);
+ if (!parent)
+ parent = &_hb_unicode_funcs_nil;
- ufuncs->get = parent->get;
+ hb_unicode_funcs_make_immutable (parent);
+ ufuncs->parent = hb_unicode_funcs_reference (parent);
- /* We can safely copy user_data from parent since we hold a reference
- * onto it and it's immutable. We should not copy the destroy notifiers
- * though. */
- ufuncs->user_data = parent->user_data;
- }
- else
- {
- ufuncs->get = _hb_unicode_funcs_nil.get;
- }
+ ufuncs->get = parent->get;
+
+ /* We can safely copy user_data from parent since we hold a reference
+ * onto it and it's immutable. We should not copy the destroy notifiers
+ * though. */
+ ufuncs->user_data = parent->user_data;
return ufuncs;
}
hb_unicode_funcs_t *
+hb_unicode_funcs_get_empty (void)
+{
+ return &_hb_unicode_funcs_nil;
+}
+
+hb_unicode_funcs_t *
hb_unicode_funcs_reference (hb_unicode_funcs_t *ufuncs)
{
- HB_OBJECT_DO_REFERENCE (ufuncs);
+ return hb_object_reference (ufuncs);
}
void
hb_unicode_funcs_destroy (hb_unicode_funcs_t *ufuncs)
{
- HB_OBJECT_DO_DESTROY (ufuncs);
+ if (!hb_object_destroy (ufuncs)) return;
-#define DESTROY(name) if (ufuncs->destroy.name) ufuncs->destroy.name (ufuncs->user_data.name)
- DESTROY (combining_class);
- DESTROY (eastasian_width);
- DESTROY (general_category);
- DESTROY (mirroring);
- DESTROY (script);
-#undef DESTROY
+#define HB_UNICODE_FUNC_IMPLEMENT(name) \
+ if (ufuncs->destroy.name) ufuncs->destroy.name (ufuncs->user_data.name);
+ HB_UNICODE_FUNCS_IMPLEMENT_CALLBACKS
+#undef HB_UNICODE_FUNC_IMPLEMENT
- if (ufuncs->parent != NULL)
- hb_unicode_funcs_destroy (ufuncs->parent);
+ hb_unicode_funcs_destroy (ufuncs->parent);
free (ufuncs);
}
+hb_bool_t
+hb_unicode_funcs_set_user_data (hb_unicode_funcs_t *ufuncs,
+ hb_user_data_key_t *key,
+ void * data,
+ hb_destroy_func_t destroy)
+{
+ return hb_object_set_user_data (ufuncs, key, data, destroy);
+}
+
+void *
+hb_unicode_funcs_get_user_data (hb_unicode_funcs_t *ufuncs,
+ hb_user_data_key_t *key)
+{
+ return hb_object_get_user_data (ufuncs, key);
+}
+
+
void
hb_unicode_funcs_make_immutable (hb_unicode_funcs_t *ufuncs)
{
- if (HB_OBJECT_IS_INERT (ufuncs))
+ if (hb_object_is_inert (ufuncs))
return;
ufuncs->immutable = TRUE;
hb_unicode_funcs_t *
hb_unicode_funcs_get_parent (hb_unicode_funcs_t *ufuncs)
{
- return ufuncs->parent;
-}
-
-
-#define IMPLEMENT(return_type, name) \
- \
-void \
-hb_unicode_funcs_set_##name##_func (hb_unicode_funcs_t *ufuncs, \
- hb_unicode_get_##name##_func_t func, \
- void *user_data, \
- hb_destroy_func_t destroy) \
-{ \
- if (ufuncs->immutable) \
- return; \
- \
- if (ufuncs->destroy.name) \
- ufuncs->destroy.name (ufuncs->user_data.name); \
- \
- if (func) { \
- ufuncs->get.name = func; \
- ufuncs->user_data.name = user_data; \
- ufuncs->destroy.name = destroy; \
- } else if (ufuncs->parent != NULL) { \
- ufuncs->get.name = ufuncs->parent->get.name; \
- ufuncs->user_data.name = ufuncs->parent->user_data.name; \
- ufuncs->destroy.name = NULL; \
- } else { \
- ufuncs->get.name = hb_unicode_get_##name##_nil; \
- ufuncs->user_data.name = NULL; \
- ufuncs->destroy.name = NULL; \
- } \
-} \
- \
-return_type \
-hb_unicode_get_##name (hb_unicode_funcs_t *ufuncs, \
- hb_codepoint_t unicode) \
-{ \
- return ufuncs->get.name (ufuncs, unicode, ufuncs->user_data.name); \
-}
-
-IMPLEMENT (unsigned int, combining_class)
-IMPLEMENT (unsigned int, eastasian_width)
-IMPLEMENT (hb_unicode_general_category_t, general_category)
-IMPLEMENT (hb_codepoint_t, mirroring)
-IMPLEMENT (hb_script_t, script)
-
-#undef IMPLEMENT
+ return ufuncs->parent ? ufuncs->parent : &_hb_unicode_funcs_nil;
+}
+
+
+#define HB_UNICODE_FUNC_IMPLEMENT(name) \
+ \
+void \
+hb_unicode_funcs_set_##name##_func (hb_unicode_funcs_t *ufuncs, \
+ hb_unicode_get_##name##_func_t func, \
+ void *user_data, \
+ hb_destroy_func_t destroy) \
+{ \
+ if (ufuncs->immutable) \
+ return; \
+ \
+ if (ufuncs->destroy.name) \
+ ufuncs->destroy.name (ufuncs->user_data.name); \
+ \
+ if (func) { \
+ ufuncs->get.name = func; \
+ ufuncs->user_data.name = user_data; \
+ ufuncs->destroy.name = destroy; \
+ } else { \
+ ufuncs->get.name = ufuncs->parent->get.name; \
+ ufuncs->user_data.name = ufuncs->parent->user_data.name; \
+ ufuncs->destroy.name = NULL; \
+ } \
+}
+
+ HB_UNICODE_FUNCS_IMPLEMENT_CALLBACKS
+#undef HB_UNICODE_FUNC_IMPLEMENT
+
+
+#define HB_UNICODE_FUNC_IMPLEMENT(return_type, name) \
+ \
+return_type \
+hb_unicode_get_##name (hb_unicode_funcs_t *ufuncs, \
+ hb_codepoint_t unicode) \
+{ \
+ return ufuncs->get.name (ufuncs, unicode, ufuncs->user_data.name); \
+}
+ HB_UNICODE_FUNCS_IMPLEMENT_CALLBACKS_SIMPLE
+#undef HB_UNICODE_FUNC_IMPLEMENT
HB_END_DECLS
projects / profile / ivi / org.tizen.video-player.git / blobdiff