static GVariant *
parse_json (JsonNode *node,
const GVariantType *type,
GError **error)
{
const GVariantType *element_type;
const gchar *str;
if (!g_variant_type_is_definite (type))
{
g_set_error (error, G_IO_ERROR, G_IO_ERROR_INVALID_DATA,
"Indefinite type '%.*s' is not supported",
(int)g_variant_type_get_string_length (type),
g_variant_type_peek_string (type));
return NULL;
}
if (g_variant_type_is_basic (type))
{
if (g_variant_type_equal (type, G_VARIANT_TYPE_BOOLEAN))
{
if (check_type (node, JSON_NODE_VALUE, G_TYPE_BOOLEAN, error))
return g_variant_new_boolean (json_node_get_boolean (node));
}
else if (g_variant_type_equal (type, G_VARIANT_TYPE_BYTE))
{
if (check_type (node, JSON_NODE_VALUE, G_TYPE_INT64, error))
return g_variant_new_byte (json_node_get_int (node));
}
else if (g_variant_type_equal (type, G_VARIANT_TYPE_INT16))
{
if (check_type (node, JSON_NODE_VALUE, G_TYPE_INT64, error))
return g_variant_new_int16 (json_node_get_int (node));
}
else if (g_variant_type_equal (type, G_VARIANT_TYPE_UINT16))
{
if (check_type (node, JSON_NODE_VALUE, G_TYPE_INT64, error))
return g_variant_new_uint16 (json_node_get_int (node));
}
else if (g_variant_type_equal (type, G_VARIANT_TYPE_INT32))
{
if (check_type (node, JSON_NODE_VALUE, G_TYPE_INT64, error))
return g_variant_new_int32 (json_node_get_int (node));
}
else if (g_variant_type_equal (type, G_VARIANT_TYPE_UINT32))
{
if (check_type (node, JSON_NODE_VALUE, G_TYPE_INT64, error))
return g_variant_new_uint32 (json_node_get_int (node));
}
else if (g_variant_type_equal (type, G_VARIANT_TYPE_INT64))
{
if (check_type (node, JSON_NODE_VALUE, G_TYPE_INT64, error))
return g_variant_new_int64 (json_node_get_int (node));
}
else if (g_variant_type_equal (type, G_VARIANT_TYPE_UINT64))
{
if (check_type (node, JSON_NODE_VALUE, G_TYPE_INT64, error))
return g_variant_new_uint64 (json_node_get_int (node));
}
else if (g_variant_type_equal (type, G_VARIANT_TYPE_DOUBLE))
{
if (check_type (node, JSON_NODE_VALUE, G_TYPE_INT64, NULL))
return g_variant_new_double (json_node_get_int (node));
else if (check_type (node, JSON_NODE_VALUE, G_TYPE_DOUBLE, error))
return g_variant_new_double (json_node_get_double (node));
}
else if (g_variant_type_equal (type, G_VARIANT_TYPE_STRING))
{
if (check_type (node, JSON_NODE_VALUE, G_TYPE_STRING, error))
return g_variant_new_string (json_node_get_string (node));
}
else if (g_variant_type_equal (type, G_VARIANT_TYPE_OBJECT_PATH))
{
if (check_type (node, JSON_NODE_VALUE, G_TYPE_STRING, error))
{
str = json_node_get_string (node);
if (g_variant_is_object_path (str))
return g_variant_new_object_path (str);
else
{
g_set_error (error, G_IO_ERROR, G_IO_ERROR_INVALID_DATA,
"Invalid object path '%s'", str);
return NULL;
}
}
}
else if (g_variant_type_equal (type, G_VARIANT_TYPE_SIGNATURE))
{
if (check_type (node, JSON_NODE_VALUE, G_TYPE_STRING, error))
{
str = json_node_get_string (node);
if (g_variant_is_signature (str))
return g_variant_new_signature (str);
else
{
g_set_error (error, G_IO_ERROR, G_IO_ERROR_INVALID_DATA,
"Invalid signature '%s'", str);
return NULL;
}
}
}
else
{
parse_not_supported (type, error);
}
}
else if (g_variant_type_is_variant (type))
{
return parse_json_variant (node, error);
}
else if (g_variant_type_is_array (type))
{
element_type = g_variant_type_element (type);
if (g_variant_type_is_dict_entry (element_type))
return parse_json_dictionary (node, element_type, error);
else
return parse_json_array (node, element_type, error);
}
else if (g_variant_type_is_tuple (type))
{
return parse_json_tuple (node, g_variant_type_first (type), error);
}
else
{
parse_not_supported (type, error);
}
return NULL;
}
static int config_get(int id, GVariant **data, const struct sr_dev_inst *sdi,
const struct sr_channel *ch,
const struct sr_channel_group *cg)
{
(void) cg;
struct dev_context *const devc = sdi->priv;
switch (id) {
case SR_CONF_SAMPLERATE:
*data = g_variant_new_uint64(devc->cur_samplerate);
break;
case SR_CONF_LIMIT_SAMPLES:
*data = g_variant_new_uint64(devc->limit_samples_show);
break;
case SR_CONF_LIMIT_MSEC:
*data = g_variant_new_uint64(devc->limit_msec);
break;
case SR_CONF_DEVICE_MODE:
*data = g_variant_new_int16(sdi->mode);
break;
case SR_CONF_TEST:
*data = g_variant_new_boolean(FALSE);
break;
case SR_CONF_INSTANT:
*data = g_variant_new_boolean(devc->instant);
break;
case SR_CONF_PATTERN_MODE:
*data = g_variant_new_string(pattern_strings[devc->sample_generator]);
break;
case SR_CONF_MAX_HEIGHT:
*data = g_variant_new_string(maxHeights[devc->max_height]);
break;
case SR_CONF_MAX_HEIGHT_VALUE:
*data = g_variant_new_byte(devc->max_height);
break;
case SR_CONF_VPOS:
*data = g_variant_new_double(ch->vpos);
break;
case SR_CONF_VDIV:
*data = g_variant_new_uint64(ch->vdiv);
break;
case SR_CONF_FACTOR:
*data = g_variant_new_uint64(ch->vfactor);
break;
case SR_CONF_TIMEBASE:
*data = g_variant_new_uint64(devc->timebase);
break;
case SR_CONF_COUPLING:
*data = g_variant_new_byte(ch->coupling);
break;
case SR_CONF_TRIGGER_VALUE:
*data = g_variant_new_byte(ch->trig_value);
break;
case SR_CONF_EN_CH:
*data = g_variant_new_boolean(ch->enabled);
break;
case SR_CONF_DATALOCK:
*data = g_variant_new_boolean(devc->data_lock);
break;
case SR_CONF_MAX_DSO_SAMPLERATE:
*data = g_variant_new_uint64(DEMO_MAX_DSO_SAMPLERATE);
break;
case SR_CONF_MAX_DSO_SAMPLELIMITS:
*data = g_variant_new_uint64(DEMO_MAX_DSO_DEPTH);
break;
case SR_CONF_HW_DEPTH:
*data = g_variant_new_uint64(DEMO_MAX_LOGIC_DEPTH);
break;
case SR_CONF_DSO_BITS:
*data = g_variant_new_byte(devc->dso_bits);
break;
case SR_CONF_VLD_CH_NUM:
*data = g_variant_new_int16(NUM_PROBES);
break;
default:
return SR_ERR_NA;
}
return SR_OK;
}
GVariant* js_to_dbus(JSContextRef ctx,
const JSValueRef jsvalue,
const GVariantType* sig,
JSValueRef *exception)
{
if (g_variant_type_is_array(sig)) {
GVariantBuilder builder;
g_variant_builder_init(&builder, sig);
JSPropertyNameArrayRef array = JSObjectCopyPropertyNames(ctx,
(JSObjectRef)jsvalue);
const GVariantType* child_sig = g_variant_type_element(sig);
if (g_variant_type_is_dict_entry(child_sig)) {
const GVariantType* key_sig = g_variant_type_first(child_sig);
const GVariantType* value_sig = g_variant_type_next(key_sig);
for (size_t i=0; i < JSPropertyNameArrayGetCount(array); i++) {
if (filter_function_child(ctx, jsvalue, i)) {
continue;
}
g_variant_builder_open(&builder, child_sig);
JSValueRef key = JSValueMakeString(ctx,
JSPropertyNameArrayGetNameAtIndex(array, i));
JSValueRef value = JSObjectGetPropertyAtIndex(ctx,
(JSObjectRef)jsvalue, i, NULL);
g_variant_builder_add_value(&builder,
js_to_dbus(ctx, key, key_sig, exception));
g_variant_builder_add_value(&builder,
js_to_dbus(ctx, value, value_sig, exception));
g_variant_builder_close(&builder);
}
return g_variant_builder_end(&builder);
} else {
GVariantBuilder builder;
g_variant_builder_init(&builder, sig);
JSPropertyNameArrayRef array = JSObjectCopyPropertyNames(ctx,
(JSObjectRef)jsvalue);
const GVariantType* child_sig = g_variant_type_element(sig);
for (size_t i=0; i < JSPropertyNameArrayGetCount(array); i++) {
if (filter_array_child(ctx, array, i)) {
continue;
}
g_variant_builder_add_value(&builder,
js_to_dbus(ctx,
JSObjectGetPropertyAtIndex(ctx,
(JSObjectRef)jsvalue, i,
NULL),
child_sig, exception));
}
JSPropertyNameArrayRelease(array);
return g_variant_builder_end(&builder);
}
} else if (g_variant_type_is_tuple(sig)) {
GVariantBuilder builder;
g_variant_builder_init(&builder, sig);
JSPropertyNameArrayRef array = JSObjectCopyPropertyNames(ctx,
(JSObjectRef)jsvalue);
const GVariantType* current_sig = g_variant_type_first(sig);
for (size_t i=0; i < JSPropertyNameArrayGetCount(array); i++) {
if (filter_array_child(ctx, array, i)) {
continue;
}
g_variant_builder_add_value(&builder,
js_to_dbus(ctx,
JSObjectGetPropertyAtIndex(ctx, (JSObjectRef)jsvalue, i,
NULL),
current_sig, exception));
current_sig = g_variant_type_next(current_sig);
}
JSPropertyNameArrayRelease(array);
return g_variant_builder_end(&builder);
} else {
switch (g_variant_type_peek_string(sig)[0]) {
case 'y':
return g_variant_new_byte(JSValueToNumber(ctx, jsvalue,
exception));
case 'n':
return g_variant_new_int16(JSValueToNumber(ctx, jsvalue,
exception));
case 'q':
return g_variant_new_uint16(JSValueToNumber(ctx, jsvalue,
exception));
case 'i':
return g_variant_new_int32(JSValueToNumber(ctx, jsvalue,
exception));
case 'u':
return g_variant_new_uint32(JSValueToNumber(ctx, jsvalue,
exception));
case 'x':
return g_variant_new_int64(JSValueToNumber(ctx, jsvalue,
exception));
case 't':
return g_variant_new_uint64(JSValueToNumber(ctx, jsvalue,
exception));
case 'd':
return g_variant_new_double(JSValueToNumber(ctx, jsvalue,
exception));
case 'h':
return g_variant_new_handle(JSValueToNumber(ctx, jsvalue,
exception));
case 'b':
return g_variant_new_boolean(JSValueToBoolean(ctx, jsvalue));
case 's': {
char* v = jsvalue_to_cstr(ctx, jsvalue);
GVariant* r = g_variant_new_string(v);
g_free(v);
return r;
}
case 'v': {
//TODO:
/*g_variant_new_variant()*/
g_assert_not_reached();
}
}
}
g_assert_not_reached();
}