public static string toString(object thisObj)
{
if (!Convert.IsString(thisObj))
{
throw new JScriptException(JSError.StringExpected);
}
else
{
return(Convert.ToString(thisObj));
}
}
public object EvaluatePlus(object v1, object v2)
{
object val1 = Convert.ToPrimitive(v1, null);
object val2 = Convert.ToPrimitive(v2, null);
if (Convert.IsString(val1) || Convert.IsString(val2))
{
return(Convert.ToString(val1) + Convert.ToString(val2));
}
else
{
return(Convert.ToNumber(val1) + Convert.ToNumber(val2));
}
}
public static double JScriptCompare(object v1, object v2)
{
object p1 = Convert.ToPrimitive(v1, null);
object p2 = Convert.ToPrimitive(v2, null);
if (Convert.IsString(p1) && Convert.IsString(p2))
{
string s1 = Convert.ToString(p1);
string s2 = Convert.ToString(p2);
return(s1.CompareTo(s2));
}
else
{
double n1 = Convert.ToNumber(p1);
double n2 = Convert.ToNumber(p2);
return(n1 - n2);
}
}