Esempi in C++ (Cpp) per bt_ctf_field_type_structure_get_field_type_by_name

Esempio n. 1

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

struct bt_ctf_field_type *bt_ctf_event_class_get_field_by_name(
		struct bt_ctf_event_class *event_class, const char *name)
{
	GQuark name_quark;
	struct bt_ctf_field_type *field_type = NULL;

	if (!event_class || !name) {
		goto end;
	}

	if (bt_ctf_field_type_get_type_id(event_class->fields) !=
		CTF_TYPE_STRUCT) {
		goto end;
	}

	name_quark = g_quark_try_string(name);
	if (!name_quark) {
		goto end;
	}

	/*
	 * No need to increment field_type's reference count since getting it
	 * from the structure already does.
	 */
	field_type = bt_ctf_field_type_structure_get_field_type_by_name(
		event_class->fields, name);
end:
	return field_type;
}

Esempio n. 2

File: event-fields.c Progetto: cooljeanius/babeltrace

struct bt_ctf_field *bt_ctf_field_structure_get_field(
		struct bt_ctf_field *field, const char *name)
{
	struct bt_ctf_field *new_field = NULL;
	GQuark field_quark;
	struct bt_ctf_field_structure *structure;
	struct bt_ctf_field_type *field_type = NULL;
	size_t index;

	if (!field || !name ||
		bt_ctf_field_type_get_type_id(field->type) !=
			CTF_TYPE_STRUCT) {
		goto error;
	}

	field_quark = g_quark_from_string(name);
	structure = container_of(field, struct bt_ctf_field_structure, parent);
	field_type =
		bt_ctf_field_type_structure_get_field_type_by_name(field->type,
		name);
	if (!g_hash_table_lookup_extended(structure->field_name_to_index,
		GUINT_TO_POINTER(field_quark), NULL, (gpointer *)&index)) {
		goto error;
	}

	if (structure->fields->pdata[index]) {
		new_field = structure->fields->pdata[index];
		goto end;
	}

	new_field = bt_ctf_field_create(field_type);
	if (!new_field) {
		goto error;
	}

	structure->fields->pdata[index] = new_field;
end:
	bt_ctf_field_get(new_field);
error:
	if (field_type) {
		bt_ctf_field_type_put(field_type);
	}
	return new_field;
}

Esempio n. 3

File: event-fields.c Progetto: cooljeanius/babeltrace

BT_HIDDEN
int bt_ctf_field_structure_set_field(struct bt_ctf_field *field,
		const char *name, struct bt_ctf_field *value)
{
	int ret = 0;
	GQuark field_quark;
	struct bt_ctf_field_structure *structure;
	struct bt_ctf_field_type *expected_field_type = NULL;
	size_t index;

	if (!field || !name || !value ||
		bt_ctf_field_type_get_type_id(field->type) !=
			CTF_TYPE_STRUCT) {
		ret = -1;
		goto end;
	}

	field_quark = g_quark_from_string(name);
	structure = container_of(field, struct bt_ctf_field_structure, parent);
	expected_field_type =
		bt_ctf_field_type_structure_get_field_type_by_name(field->type,
		name);
	if (expected_field_type != value->type) {
		ret = -1;
		goto end;
	}

	if (!g_hash_table_lookup_extended(structure->field_name_to_index,
		GUINT_TO_POINTER(field_quark), NULL, (gpointer *) &index)) {
		goto end;
	}

	if (structure->fields->pdata[index]) {
		bt_ctf_field_put(structure->fields->pdata[index]);
	}

	structure->fields->pdata[index] = value;
	bt_ctf_field_get(value);
end:
	if (expected_field_type) {
		bt_ctf_field_type_put(expected_field_type);
	}
	return ret;
}

Esempio n. 4

File: event-class.c Progetto: efficios/babeltrace

struct bt_ctf_field_type *
bt_ctf_event_class_get_payload_type_field_type_by_name(
		struct bt_ctf_event_class *event_class, const char *name)
{
	GQuark name_quark;
	struct bt_ctf_field_type *field_type = NULL;

	if (!event_class || !name) {
		BT_LOGW("Invalid parameter: event class or name is NULL: "
			"event-class-addr=%p, name-addr=%p",
			event_class, name);
		goto end;
	}

	if (!event_class->common.payload_field_type) {
		BT_LOGV("Event class has no payload field type: "
			"addr=%p, name=\"%s\", id=%" PRId64,
			event_class, bt_ctf_event_class_get_name(event_class),
			bt_ctf_event_class_get_id(event_class));
		goto end;
	}

	BT_ASSERT(bt_ctf_field_type_common_get_type_id(
		event_class->common.payload_field_type) ==
			BT_CTF_FIELD_TYPE_ID_STRUCT);
	name_quark = g_quark_try_string(name);
	if (!name_quark) {
		BT_LOGE("Cannot get GQuark: string=\"%s\"", name);
		goto end;
	}

	/*
	 * No need to increment field_type's reference count since getting it
	 * from the structure already does.
	 */
	field_type = (void *)
		bt_ctf_field_type_structure_get_field_type_by_name(
			(void *) event_class->common.payload_field_type, name);

end:
	return field_type;
}