C++ (Cpp) bt_ctf_attributes_get_field_value Examples

Example #1

File: event-class.c Project: mjeanson/debian-babeltrace

BT_HIDDEN
int64_t bt_ctf_event_class_get_id(struct bt_ctf_event_class *event_class)
{
	struct bt_value *obj = NULL;
	int64_t ret = 0;

	if (!event_class) {
		ret = -1;
		goto end;
	}

	obj = bt_ctf_attributes_get_field_value(event_class->attributes,
		BT_CTF_EVENT_CLASS_ATTR_ID_INDEX);
	if (!obj) {
		goto end;
	}

	if (bt_value_integer_get(obj, &ret)) {
		ret = -1;
	}

	if (ret < 0) {
		/* means ID is not set */
		ret = -1;
		goto end;
	}

end:
	BT_PUT(obj);
	return ret;
}

Example #2

File: trace.c Project: brianrob/babeltrace

struct bt_value *bt_ctf_trace_get_environment_field_value(
		struct bt_ctf_trace *trace, int index)
{
	struct bt_value *ret = NULL;

	if (!trace) {
		goto end;
	}

	ret = bt_ctf_attributes_get_field_value(trace->environment, index);

end:
	return ret;
}

Example #3

File: event-class.c Project: mjeanson/debian-babeltrace

BT_HIDDEN
struct bt_value *
bt_ctf_event_class_get_attribute_value(struct bt_ctf_event_class *event_class,
		int index)
{
	struct bt_value *ret;

	if (!event_class) {
		ret = NULL;
		goto end;
	}

	ret = bt_ctf_attributes_get_field_value(event_class->attributes, index);

end:
	return ret;
}

Example #4

File: event-class.c Project: mjeanson/debian-babeltrace

BT_HIDDEN
int bt_ctf_event_class_set_id(struct bt_ctf_event_class *event_class,
		uint32_t id)
{
	int ret = 0;
	struct bt_value *obj = NULL;
	struct bt_ctf_stream_class *stream_class = NULL;


	if (!event_class) {
		ret = -1;
		goto end;
	}

	stream_class = bt_ctf_event_class_get_stream_class(event_class);
	if (stream_class) {
		/*
		 * We don't allow changing the id if the event class has already
		 * been added to a stream class.
		 */
		ret = -1;
		goto end;
	}

	obj = bt_ctf_attributes_get_field_value(event_class->attributes,
		BT_CTF_EVENT_CLASS_ATTR_ID_INDEX);
	if (!obj) {
		goto end;
	}

	if (bt_value_integer_set(obj, id)) {
		ret = -1;
		goto end;
	}

end:
	BT_PUT(obj);
	BT_PUT(stream_class);
	return ret;
}

Example #5

File: event-class.c Project: mjeanson/debian-babeltrace

BT_HIDDEN
const char *bt_ctf_event_class_get_name(struct bt_ctf_event_class *event_class)
{
	struct bt_value *obj = NULL;
	const char *name = NULL;

	if (!event_class) {
		goto end;
	}

	obj = bt_ctf_attributes_get_field_value(event_class->attributes,
		BT_CTF_EVENT_CLASS_ATTR_NAME_INDEX);
	if (!obj) {
		goto end;
	}

	if (bt_value_string_get(obj, &name)) {
		name = NULL;
	}

end:
	BT_PUT(obj);
	return name;
}

Example #6

File: trace.c Project: brianrob/babeltrace

static
void append_env_metadata(struct bt_ctf_trace *trace,
		struct metadata_context *context)
{
	int i;
	int env_size;

	env_size = bt_ctf_attributes_get_count(trace->environment);

	if (env_size <= 0) {
		return;
	}

	g_string_append(context->string, "env {\n");

	for (i = 0; i < env_size; ++i) {
		struct bt_value *env_field_value_obj = NULL;
		const char *entry_name;

		entry_name = bt_ctf_attributes_get_field_name(
			trace->environment, i);
		env_field_value_obj = bt_ctf_attributes_get_field_value(
			trace->environment, i);

		if (!entry_name || !env_field_value_obj) {
			goto loop_next;
		}

		switch (bt_value_get_type(env_field_value_obj)) {
		case BT_VALUE_TYPE_INTEGER:
		{
			int ret;
			int64_t int_value;

			ret = bt_value_integer_get(env_field_value_obj,
				&int_value);

			if (ret) {
				goto loop_next;
			}

			g_string_append_printf(context->string,
				"\t%s = %" PRId64 ";\n", entry_name,
				int_value);
			break;
		}
		case BT_VALUE_TYPE_STRING:
		{
			int ret;
			const char *str_value;
			char *escaped_str = NULL;

			ret = bt_value_string_get(env_field_value_obj,
				&str_value);

			if (ret) {
				goto loop_next;
			}

			escaped_str = g_strescape(str_value, NULL);

			if (!escaped_str) {
				goto loop_next;
			}

			g_string_append_printf(context->string,
				"\t%s = \"%s\";\n", entry_name, escaped_str);
			free(escaped_str);
			break;
		}

		default:
			goto loop_next;
		}

loop_next:
		BT_PUT(env_field_value_obj);
	}

	g_string_append(context->string, "};\n\n");
}