public override bool HasOwnProperty(string key)
{
if (bag != null)
{
return(bag.HasOwnProperty(key));
}
else
{
return(base.HasOwnProperty(key));
}
}
public virtual bool HasProperty(string key)
{
JsDictionaryObject obj = this;
while (true)
{
if (obj.HasOwnProperty(key))
{
return(true);
}
obj = obj.Prototype;
if (obj == JsUndefined.Instance || obj == JsNull.Instance)
{
return(false);
}
}
}
public virtual JsInstance GetSetFunction(
JsDictionaryObject target,
JsInstance[] parameters)
{
if (parameters.Length == 0)
{
throw new ArgumentException("propertyName");
}
if (!target.HasOwnProperty(parameters[0].ToString()))
{
return(this.GetSetFunction(target.Prototype, parameters));
}
PropertyDescriptor propertyDescriptor = target.properties.Get(parameters[0].ToString()) as PropertyDescriptor;
if (propertyDescriptor == null)
{
return((JsInstance)JsUndefined.Instance);
}
return((JsInstance)((JsObject)propertyDescriptor.SetFunction ?? (JsObject)JsUndefined.Instance));
}
/// <summary>
/// non standard
/// </summary>
/// <param name="instance"></param>
/// <param name="p"></param>
/// <param name="currentDescriptor"></param>
public JsInstance GetSetFunction(JsDictionaryObject target, JsInstance[] parameters)
{
if (parameters.Length <= 0)
{
throw new ArgumentException("propertyName");
}
if (!target.HasOwnProperty(parameters[0].ToString()))
{
return(GetSetFunction(target.Prototype, parameters));
}
PropertyDescriptor desc = target.properties.Get(parameters[0].ToString()) as PropertyDescriptor;
if (desc == null)
{
return(JsUndefined.Instance);
}
return((JsInstance)desc.SetFunction ?? JsUndefined.Instance);
}
public virtual bool HasProperty(string key)
{
JsDictionaryObject dictionaryObject = this;
do
{
if (!dictionaryObject.HasOwnProperty(key))
{
dictionaryObject = dictionaryObject.Prototype;
}
else
{
goto label_1;
}
}while (dictionaryObject != JsUndefined.Instance && dictionaryObject != JsNull.Instance);
goto label_3;
label_1:
return(true);
label_3:
return(false);
}
// 15.2.4.5
public JsInstance HasOwnPropertyImpl(JsDictionaryObject target, JsInstance[] parameters)
{
return(Global.BooleanClass.New(target.HasOwnProperty(parameters[0])));
}
