public object InvokeProperty(JsObject obj, string name, object[] args)
{
if (obj == null)
throw new ArgumentNullException("obj");
if (name == null)
throw new ArgumentNullException("name");
CheckDisposed();
if (obj.Handle == IntPtr.Zero)
throw new JsInteropException("wrapped V8 object is empty (IntPtr is Zero)");
JsValue a = JsValue.Null; // Null value unless we're given args.
if (args != null)
a = _convert.ToJsValue(args);
JsValue v = jscontext_invoke_property(_context, obj.Handle, name, a);
object res = _convert.FromJsValue(v);
jsvalue_dispose(v);
jsvalue_dispose(a);
Exception e = res as JsException;
if (e != null)
throw e;
return res;
}
internal JsException(string type, string resource, string message, int line, int col, JsObject error)
: base(string.Format("{0}: {1} at line: {2} column: {3}.", resource, message, line, col))
{
_type = type;
_resource = resource;
_line = line;
_column = col;
_nativeException = error;
}
public object GetPropertyValue(JsObject obj, string name)
{
if (obj == null)
throw new ArgumentNullException("obj");
if (name == null)
throw new ArgumentNullException("name");
CheckDisposed();
if (obj.Handle == IntPtr.Zero)
throw new JsInteropException("wrapped V8 object is empty (IntPtr is Zero)");
JsValue v = jscontext_get_property_value(_context, obj.Handle, name);
object res = _convert.FromJsValue(v);
jsvalue_dispose(v);
Exception e = res as JsException;
if (e != null)
throw e;
return res;
}
public IEnumerable<string> GetMemberNames(JsObject obj)
{
if (obj == null)
throw new ArgumentNullException("obj");
CheckDisposed();
if (obj.Handle == IntPtr.Zero)
throw new JsInteropException("wrapped V8 object is empty (IntPtr is Zero)");
JsValue v = jscontext_get_property_names(_context, obj.Handle);
object res = _convert.FromJsValue(v);
jsvalue_dispose(v);
Exception e = res as JsException;
if (e != null)
throw e;
object[] arr = (object[])res;
return arr.Cast<string>();
}
// Native V8 exception objects are wrapped by special instances of JsException.
public JsException(JsObject nativeException)
{
_nativeException = nativeException;
}
public void SetPropertyValue(JsObject obj, string name, object value)
{
if (obj == null)
throw new ArgumentNullException("obj");
if (name == null)
throw new ArgumentNullException("name");
CheckDisposed();
if (obj.Handle == IntPtr.Zero)
throw new JsInteropException("wrapped V8 object is empty (IntPtr is Zero)");
JsValue a = _convert.ToJsValue(value);
JsValue v = jsengine_set_property_value(_engine, obj.Handle, name, a);
object res = _convert.FromJsValue(v);
jsvalue_dispose(v);
jsvalue_dispose(a);
Exception e = res as JsException;
if (e != null)
throw e;
}
public void DisposeObject(JsObject obj)
{
// If the engine has already been explicitly disposed we pass Zero as
// the first argument because we need to free the memory allocated by
// "new" but not the object on the V8 heap: it has already been freed.
if (_disposed)
jsengine_dispose_object(new HandleRef(this, IntPtr.Zero), obj.Handle);
else
jsengine_dispose_object(_engine, obj.Handle);
}
// Native V8 exception objects are wrapped by special instances of JsException.
public JsException(JsObject nativeException)
{
_nativeException = nativeException;
}
internal JsException(string type, string resource, string message, int line, int col, JsObject error)
: base(string.Format("{0}: {1} at line: {2} column: {3}.", resource, message, line, col))
{
_type = type;
_resource = resource;
_line = line;
_column = col;
_nativeException = error;
}
private JsObject JsDictionaryObject(JsValue v)
{
JsObject obj = new JsObject(this._context, v.Ptr);
int len = v.Length * 2;
for (int i = 0; i < len; i += 2)
{
var key = (JsValue)Marshal.PtrToStructure(new IntPtr(v.Ptr.ToInt64() + (16 * i)), typeof(JsValue));
var value = (JsValue)Marshal.PtrToStructure(new IntPtr(v.Ptr.ToInt64() + (16 * (i + 1))), typeof(JsValue));
obj[(string)FromJsValue(key)] = FromJsValue(value);
}
return obj;
}
