/// <summary>
/// Get the error message that describes why xphtm.Region may have returned
/// a null table
/// </summary>
/// <param name="textSpec">Legacy style descritption of region</param>
/// <returns>String containing error message</returns>
public static String Error(String textSpec) {
Region reg = new Region(null); // no Trace output!
Parser par;
ArrayList lohis = new ArrayList();
par = new Parser();
par.input = textSpec;
par.buildto(reg); //We give the location of the target object. There parser will assemble the region here
if (par.parse() == false) { // Start the parser. if it returns true, all is well, else error
return par.errmsg();
}
//reg.intersect(false,
// HtmState.Instance.minlevel,
// HtmState.Instance.maxlevel, lohis); // lohis remains unchanged when called from polygon
return "ok";
}
public static string NormalForm(String textSpec, out String errmsg) {
Region reg = new Region();
Parser par = new Parser();
par.input = textSpec;
par.buildto(reg);
if (par.parse() == false) {
errmsg = par.errmsg();
return null;
} else {
errmsg = "ok";
}
reg.normalize();
return reg.ToString();
}