/// <summary>
/// convert from jsvalue to managed value
/// </summary>
/// <param name="v"></param>
/// <returns></returns>
public object FromJsValue(ref JsValue v)
{
#if DEBUG_TRACE_API
Console.WriteLine("Converting Js value to .net");
#endif
switch (v.Type)
{
case JsValueType.Empty:
case JsValueType.Null:
return(null);
case JsValueType.Boolean:
return(v.I32 != 0);
case JsValueType.Integer:
return(v.I32);
case JsValueType.Index:
return((UInt32)v.I64);
case JsValueType.Number:
return(v.Num);
case JsValueType.String:
return(Marshal.PtrToStringUni(v.Ptr));
case JsValueType.Date:
/*
* // The formula (v.num * 10000) + 621355968000000000L was taken from a StackOverflow
* // question and should be OK. Then why do we need to compensate by -26748000000000L
* // (a value determined from the failing tests)?!
* return new DateTime((long)(v.Num * 10000) + 621355968000000000L - 26748000000000L);
*/
//var msFromJsTime = v.I64 % 1000;
return(EPOCH_LocalTime.AddMilliseconds(v.I64));
case JsValueType.Array:
{
int len = v.I32;
object[] newarr = new object[len];
unsafe
{
JsValue *arr = (JsValue *)v.Ptr;
for (int i = 0; i < len; ++i)
{
newarr[i] = FromJsValuePtr((arr + i));
}
}
return(newarr);
}
case JsValueType.UnknownError:
if (v.Ptr != IntPtr.Zero)
{
return(new JsException(Marshal.PtrToStringUni(v.Ptr)));
}
return(new JsInteropException("unknown error without reason"));
case JsValueType.StringError:
return(new JsException(Marshal.PtrToStringUni(v.Ptr)));
case JsValueType.Managed:
return(_context.KeepAliveGet(v.I32));
case JsValueType.JsTypeWrap:
//auto unwrap
return(_context.GetObjectProxy(v.I32).WrapObject);
case JsValueType.ManagedError:
Exception inner = _context.KeepAliveGet(v.I32) as Exception;
string msg = null;
if (v.Ptr != IntPtr.Zero)
{
msg = Marshal.PtrToStringUni(v.Ptr);
}
else if (inner != null)
{
msg = inner.Message;
}
return(new JsException(msg, inner));
case JsValueType.Dictionary:
return(CreateJsDictionaryObject(ref v));
case JsValueType.Wrapped:
return(new JsObject(_context, v.Ptr));
case JsValueType.Error:
return(JsException.Create(this, v.Ptr));
case JsValueType.Function:
//convert from js function delegate to managed
//this compose of function ptr and delegate's target
unsafe
{
JsValue *arr = (JsValue *)v.Ptr;
return(new JsFunction(_context, (arr)->Ptr, (arr + 1)->Ptr));
}
default:
throw new InvalidOperationException("unknown type code: " + v.Type);
}
}
