public JSListInstance FindAll(object a)
{
if (!(a is UserDefinedFunction))
{
throw new JavaScriptException(this.Engine, ErrorType.Error, "expecting comparison function");
}
UserDefinedFunction f = (UserDefinedFunction)a;
List <object> list = new List <object>();
foreach (object obj in this.array)
{
if (TypeConverter.ToBoolean(f.Call(this.Engine.Global, obj)))
{
list.Add(obj);
}
}
JSListInstance result = new JSListInstance(this.Engine.Object.InstancePrototype);
foreach (object obj in list)
{
result.Add(obj);
}
return(result);
}
public JSListInstance GetRange(object st, object co)
{
if (!(st is int || st is double))
{
throw new JavaScriptException(this.Engine, ErrorType.Error, "start must be an int or double");
}
int start = TypeConverter.ToInt32(st);
if (!(co is int || co is double))
{
throw new JavaScriptException(this.Engine, ErrorType.Error, "count must be an int or double");
}
int count = TypeConverter.ToInt32(co);
if (start > this.array.Length || start < 0)
{
throw new JavaScriptException(this.Engine, ErrorType.RangeError, "start was out of bounds");
}
if ((start + count) > this.array.Length || count < start)
{
throw new JavaScriptException(this.Engine, ErrorType.RangeError, "count was out of bounds");
}
JSListInstance result = new JSListInstance(this.Engine.Object.InstancePrototype);
for (int i = 0; i < this.array.Length; i++)
{
if (i >= start && i <= (start + count))
{
result.Add(this.array[i]);
}
}
return(result);
}