private static JToken JObjectToWrappedJToken(CefV8Value cefV8Value)
{
var jObjectWrapper = new JObject();
var jObjectPayload = new JObject();
var adapter = V8PluginAdapter.FromCefObject(cefV8Value);
if (adapter != null)
{
// Send JObject that defines a reference to the plugin
jObjectWrapper.Add("__type__", "reference");
jObjectPayload.Add("id", adapter.Plugin.Descriptor.PluginId);
jObjectWrapper.Add("__payload__", jObjectPayload);
}
else
{
// Not a plugin, serialize all fields to a structure in json
var keys = cefV8Value.GetKeys();
foreach (var fieldKey in keys)
{
var value = cefV8Value.GetValue(fieldKey);
if (!value.IsFunction)
{
var fieldToken = ToJToken(value);
jObjectWrapper.Add(fieldKey, fieldToken);
}
}
}
return(jObjectWrapper);
}
public static object ToNative(CefV8Value obj, Type targetType)
{
if (obj == null)
{
throw new ArgumentNullException("obj");
}
if (targetType == null)
{
throw new ArgumentNullException("targetType");
}
object retVal = null;
if ((targetType == typeof(JObject) && obj.IsObject) ||
(targetType == typeof(JArray) && obj.IsArray) ||
targetType == typeof(JValue) ||
targetType == typeof(JToken))
{
retVal = CefJsonValueConverter.ToJToken(obj);
}
else if (!obj.IsNull && !obj.IsUndefined)
{
if (obj.IsBool)
{
retVal = obj.GetBoolValue();
}
else if (obj.IsDouble || obj.IsInt || obj.IsUInt)
{
// CEF doesn't have a long data type so they are treated as doubles
// To avoid overflow scenarios, IsDouble must be checked before IsInt because flags will be true
retVal = obj.GetDoubleValue();
}
else if (obj.IsString)
{
retVal = obj.GetStringValue();
}
else if (obj.IsDate)
{
retVal = obj.GetDateValue();
}
else if (obj.IsArray)
{
if (targetType.IsArray)
{
if (targetType.GetArrayRank() != 1)
{
throw new Exception("Cannot handle multidimensional arrays");
}
var v8ArrayLength = obj.GetArrayLength();
var elementType = targetType.GetElementType();
var array = Array.CreateInstance(elementType, v8ArrayLength);
for (var v8ArrayIndex = 0; v8ArrayIndex < v8ArrayLength; ++v8ArrayIndex)
{
var elementToken = ToNative(obj.GetValue(v8ArrayIndex), elementType);
array.SetValue(elementToken, v8ArrayIndex);
}
retVal = array;
}
}
else if (obj.IsObject)
{
var pluginAdapter = V8PluginAdapter.FromCefObject(obj);
if (pluginAdapter != null)
{
throw new Exception("Passing plugins as parameters not yet supported");
}
var converter = GetTypeConverter(targetType);
if (converter != null)
{
retVal = converter.ToNative(obj);
}
}
else if (obj.IsFunction)
{
// TODO : Throw an exception?
}
if (retVal != null && !targetType.IsInstanceOfType(retVal))
{
retVal = Convert.ChangeType(retVal, targetType);
}
}
return(retVal);
}