From ec05143ea6a9bfa262e573aa3c7c52276b7f7748 Mon Sep 17 00:00:00 2001
From: Andrin Fassbind <fassband@students.zhaw.ch>
Date: Wed, 4 May 2022 17:10:14 +0200
Subject: [PATCH] in prog

---
 src/TM.java | 84 +++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 84 insertions(+)
 create mode 100644 src/TM.java

diff --git a/src/TM.java b/src/TM.java
new file mode 100644
index 0000000..4db3fb3
--- /dev/null
+++ b/src/TM.java
@@ -0,0 +1,84 @@
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+
+public class TM {
+    private String codierung;
+    private String[][] funktionen;
+    private int aktuellerZustand;
+    private int endZustand;
+    private List<Character> band;
+    private int leseKopf;
+    private Map<Character, Integer> alphabet;
+
+
+    public TM(String codierung, String bandInitialisierung) {
+        leseKopf = 0;
+        band = new ArrayList<>();
+        this.codierung = codierung;
+        endZustand = 2;
+        alphabet = new HashMap<>();
+        parse();
+        initBand(bandInitialisierung);
+
+    }
+
+    private void calcOneStep() throws TmException {
+        boolean found = false;
+        for (String[] str : funktionen) {
+            if (str[0].length() == aktuellerZustand && str[1].length() == alphabet.get(band.get(leseKopf))) {
+                found = true;
+                writeOnBand(str);
+                break;
+            }
+        }
+
+        if (!found) {
+            throw new TmException("Couldn't find matching function for Character on band");
+        }
+    }
+
+    private void writeOnBand(String[] str) {
+        aktuellerZustand = str[2].length();
+
+        //TODO Find corect char from Integer value
+        for (Character c : alphabet.keySet()) {
+            if(alphabet.get(c) == str[3].length()) {
+                band.set(leseKopf, c);
+            }
+        }
+
+        //TODO Position von lesekopf
+    }
+
+    private void parse() {
+        String[] liste = codierung.substring(1).split("11");
+        for (int i = 0; i < liste.length; i++) {
+            funktionen[i] = liste[i].split("1");
+        }
+        aktuellerZustand = funktionen[0][0].length();
+        //TODO Startzustand wissen?
+    }
+
+    private void initBand(String bandInit) {
+        for (int i = 0; i < bandInit.length(); i++) {
+            band.add(bandInit.charAt(i));
+        }
+    }
+
+    private void initAlphabet() {
+        alphabet.put('0', 1);
+        alphabet.put('1', 2);
+        alphabet.put('_', 3);
+        alphabet.put('X', 4);
+    }
+
+    private class TmException extends Exception {
+
+        private TmException(String msg) {
+            super(msg);
+        }
+    }
+
+}