libobs: Allow exporting a json file with default values

stream-labs · Aug 14, 2018 · cb06766 · cb06766
1 parent 1e4ea6b
commit cb06766
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Showing 2 changed files with 64 additions and 0 deletions.
diff --git a/libobs/obs-data.c b/libobs/obs-data.c
@@ -565,6 +565,7 @@ static inline void set_json_bool(json_t *json, const char *name,
 }
 
 static json_t *obs_data_to_json(obs_data_t *data);
+static json_t *obs_data_to_full_json(obs_data_t *data);
 
 static inline void set_json_obj(json_t *json, const char *name,
 		obs_data_item_t *item)
@@ -574,6 +575,13 @@ static inline void set_json_obj(json_t *json, const char *name,
 	obs_data_release(obj);
 }
 
+static inline void set_full_json_obj(json_t *json, const char *name,
+	obs_data_item_t *item) {
+	obs_data_t *obj = obs_data_item_get_obj(item);
+	json_object_set_new(json, name, obs_data_to_full_json(obj));
+	obs_data_release(obj);
+}
+
 static inline void set_json_array(json_t *json, const char *name,
 		obs_data_item_t *item)
 {
@@ -592,6 +600,23 @@ static inline void set_json_array(json_t *json, const char *name,
 	obs_data_array_release(array);
 }
 
+static inline void set_full_json_array(json_t *json, const char *name,
+	obs_data_item_t *item) {
+	json_t           *jarray = json_array();
+	obs_data_array_t *array = obs_data_item_get_array(item);
+	size_t           count = obs_data_array_count(array);
+
+	for (size_t idx = 0; idx < count; idx++) {
+		obs_data_t *sub_item = obs_data_array_item(array, idx);
+		json_t     *jitem = obs_data_to_full_json(sub_item);
+		json_array_append_new(jarray, jitem);
+		obs_data_release(sub_item);
+	}
+
+	json_object_set_new(json, name, jarray);
+	obs_data_array_release(array);
+}
+
 static json_t *obs_data_to_json(obs_data_t *data)
 {
 	json_t *json = json_object();
@@ -619,6 +644,30 @@ static json_t *obs_data_to_json(obs_data_t *data)
 	return json;
 }
 
+static json_t *obs_data_to_full_json(obs_data_t *data)
+{
+	json_t *json = json_object();
+	obs_data_item_t *item = NULL;
+
+	for (item = obs_data_first(data); item; obs_data_item_next(&item)) {
+		enum obs_data_type type = obs_data_item_gettype(item);
+		const char *name        = get_item_name(item);
+
+		if (type == OBS_DATA_STRING)
+			set_json_string(json, name, item);
+		else if (type == OBS_DATA_NUMBER)
+			set_json_number(json, name, item);
+		else if (type == OBS_DATA_BOOLEAN)
+			set_json_bool(json, name, item);
+		else if (type == OBS_DATA_OBJECT)
+			set_full_json_obj(json, name, item);
+		else if (type == OBS_DATA_ARRAY)
+			set_full_json_array(json, name, item);
+	}
+
+	return json;
+}
+
 /* ------------------------------------------------------------------------- */
 
 obs_data_t *obs_data_create()
@@ -737,6 +786,20 @@ const char *obs_data_get_json(obs_data_t *data)
 	return data->json;
 }
 
+const char *obs_data_get_full_json(obs_data_t *data) {
+	if (!data) return NULL;
+
+	/* NOTE: don't use libobs bfree for json text */
+	free(data->json);
+	data->json = NULL;
+
+	json_t *root = obs_data_to_full_json(data);
+	data->json = json_dumps(root, JSON_PRESERVE_ORDER | JSON_INDENT(4));
+	json_decref(root);
+
+	return data->json;
+}
+
 bool obs_data_save_json(obs_data_t *data, const char *file)
 {
 	const char *json = obs_data_get_json(data);

diff --git a/libobs/obs-data.h b/libobs/obs-data.h
@@ -70,6 +70,7 @@ EXPORT void obs_data_addref(obs_data_t *data);
 EXPORT void obs_data_release(obs_data_t *data);
 
 EXPORT const char *obs_data_get_json(obs_data_t *data);
+EXPORT const char *obs_data_get_full_json(obs_data_t *data);
 EXPORT bool obs_data_save_json(obs_data_t *data, const char *file);
 EXPORT bool obs_data_save_json_safe(obs_data_t *data, const char *file,
 		const char *temp_ext, const char *backup_ext);