public JsValue AnyToJsValue(object obj)
{
if (obj == null)
{
return new JsValue {
Type = JsValueType.Null
}
}
;
if (obj is INativeRef)
{
//extension
INativeRef prox = (INativeRef)obj;
int keepAliveId = _context.KeepAliveAdd(obj);
return(new JsValue {
Type = JsValueType.JsTypeWrap, Ptr = prox.UnmanagedPtr, Index = keepAliveId
});
}
Type type = obj.GetType();
// Check for nullable types (we will cast the value out of the box later).
//if (type.IsConstructedGenericType && type.GetGenericTypeDefinition() == typeof(Nullable<>))
if (type.IsConstructedGenericType && type.GetGenericTypeDefinition() == typeof(Nullable <>))
{
type = type.GenericTypeArguments[0]; //type = type.GetGenericArguments()[0];
}
if (type == typeof(Boolean))
{
return new JsValue {
Type = JsValueType.Boolean, I32 = (bool)obj ? 1 : 0
}
}
;
if (type == typeof(String) || type == typeof(Char))
{
// We need to allocate some memory on the other side; will be free'd by unmanaged code.
return(JsContext.jsvalue_alloc_string(obj.ToString()));
}
if (type == typeof(Byte))
{
return new JsValue {
Type = JsValueType.Integer, I32 = (int)(Byte)obj
}
}
;
if (type == typeof(Int16))
{
return new JsValue {
Type = JsValueType.Integer, I32 = (int)(Int16)obj
}
}
;
if (type == typeof(UInt16))
{
return new JsValue {
Type = JsValueType.Integer, I32 = (int)(UInt16)obj
}
}
;
if (type == typeof(Int32))
{
return new JsValue {
Type = JsValueType.Integer, I32 = (int)obj
}
}
;
if (type == typeof(UInt32))
{
return new JsValue {
Type = JsValueType.Integer, I32 = (int)(UInt32)obj
}
}
;
if (type == typeof(Int64))
{
return new JsValue {
Type = JsValueType.Number, Num = (double)(Int64)obj
}
}
;
if (type == typeof(UInt64))
{
return new JsValue {
Type = JsValueType.Number, Num = (double)(UInt64)obj
}
}
;
if (type == typeof(Single))
{
return new JsValue {
Type = JsValueType.Number, Num = (double)(Single)obj
}
}
;
if (type == typeof(Double))
{
return new JsValue {
Type = JsValueType.Number, Num = (double)obj
}
}
;
if (type == typeof(Decimal))
{
return new JsValue {
Type = JsValueType.Number, Num = (double)(Decimal)obj
}
}
;
if (type == typeof(DateTime))
{
return new JsValue
{
Type = JsValueType.Date,
Num = Convert.ToInt64(((DateTime)obj).Subtract(EPOCH).TotalMilliseconds) /*(((DateTime)obj).Ticks - 621355968000000000.0 + 26748000000000.0)/10000.0*/
}
}
;
// Arrays of anything that can be cast to object[] are recursively convertef after
// allocating an appropriate jsvalue on the unmanaged side.
var array = obj as object[];
if (array != null)
{
JsValue v = JsContext.jsvalue_alloc_array(array.Length);
if (v.Length != array.Length)
{
throw new JsInteropException("can't allocate memory on the unmanaged side");
}
for (int i = 0; i < array.Length; i++)
{
Marshal.StructureToPtr(AnyToJsValue(array[i]), new IntPtr(v.Ptr.ToInt64() + (16 * i)), false);
}
return(v);
}
// Every object explicitly converted to a value becomes an entry of the
// _keepalives list, to make sure the GC won't collect it while still in
// use by the unmanaged Javascript engine. We don't try to track duplicates
// because adding the same object more than one time acts more or less as
// reference counting.
//check
var jsTypeDefinition = _context.GetJsTypeDefinition2(type);
INativeRef prox2 = _context.CreateWrapper(obj, jsTypeDefinition);
//int keepAliveId2 = _context.KeepAliveAdd(prox2);
return(new JsValue {
Type = JsValueType.JsTypeWrap, Ptr = prox2.UnmanagedPtr, Index = prox2.ManagedIndex
});
//return new JsValue { Type = JsValueType.JsTypeWrap, Ptr = prox2.UnmanagedPtr, Index = keepAliveId2 };
//return new JsValue { Type = JsValueType.Managed, Index = _context.KeepAliveAdd(obj) };
}
#endif
}
}
public JsValue ToJsValue(char c)
{
// We need to allocate some memory on the other side; will be free'd by unmanaged code.
return(JsContext.jsvalue_alloc_string(c.ToString()));
}
