private Returnstack convert(String type)
{
Returnstack convert = new Returnstack ();
convert.addStep ("Prüfen der ausgangs Parameter;");
if (wert == "") {
convert.setResult ("Kein Wert");
return convert;
}
if (bias == "") {
convert.setResult ("Missing Bias");
return convert;
}
if (new Regex ("[^0-9]").Match (this.bias).Success) {
convert.setResult ("Wrong Syntax");
return convert;
}
switch (type) {
case "to":
if (new Regex ("[^0-9\\-]").Match (this.wert).Success) {
convert.setResult ("Wrong Syntax");
return convert;
}
String erg = ((int)(Double.Parse (wert) + Double.Parse (bias))).ToString ();
convert = new Dezimal ().convertToBin (erg);
return convert;
case "from":
if (new Regex ("[^0-1]").Match (this.wert).Success) {
convert.setResult ("Wrong Syntax");
return convert;
}
convert = new Binaer ().convertToDez (wert);
convert.setResult (((int)(Double.Parse (convert.getResult ()) - Double.Parse (bias))).ToString ());
return convert;
default :
return convert;
}
}
public Returnstack convertFrom(String wert)
{
if (!this.analyse (wert)) {
Returnstack result = new Returnstack ("Falsche Syntax!\nEs sind nur die Zeichen '0-1' erlaubt.");
result.addStep ("Analyse ergabe Fehler in der Syntax.");
return result;
}
Returnstack convert ;
if (wert [0] == '1') {
wert = wert.Remove (0, 1);
convert = new Binaer ().convertToDez (new Dualoperationen ().invert (wert));
convert.setResult( "-" + (int.Parse (convert.getResult ()) + 1).ToString ());
} else {
convert = new Binaer ().convertToDez (wert);
}
return convert;
}
public Returnstack convertFrom(String wert)
{
if(!this.analyse (wert)){
Returnstack result = new Returnstack("Falsche Syntax!\nEs sind nur die Zeichen '0-1' und ',' erlaubt.");
result.addStep("Analyse ergabe Fehler in der Syntax.");
return result;
}
this.getParts (wert);
String[] splited = wert.Split (',');
Returnstack part1 = new Binaer ().convertToDez (splited [0]);
if (this.parts == 2) {
Returnstack part2 = new Binaer ().convertToDez (splited [1]);
part2.setResult ((Double.Parse (part2.getResult ()) / (int)Math.Pow (2, splited [1].Length)).ToString ().Split (',') [1]);
part1 += "," + part2.getResult ();
} else
part1 += ",0";
return part1;
}