Store in GIT

2026-06-17 15:50:05 +02:00
parent baee6ac9f5
commit e7feed529b
91 changed files with 3580 additions and 0 deletions
@@ -0,0 +1,108 @@
+package com.imegumii;
+
+import java.io.*;
+import java.nio.Buffer;
+
+/**
+ * Created by kenny on 8-6-2017.
+ */
+public class FileParser {
+
+    public static Importable read(String filename)
+    {
+        File f = new File("input/" + filename);
+
+        Importable imp = null;
+
+        try (BufferedReader br = new BufferedReader(new FileReader(f))) {
+
+            String type = br.readLine();
+
+            switch (type)
+            {
+                case "DFA":
+                    imp = readDFA(br);
+                    break;
+                case "NDFA":
+                    imp = readNDFA(br);
+                    break;
+                case "REGEX":
+                    imp = readRegex(br);
+                    break;
+                default:
+                    break;
+            }
+
+        } catch (FileNotFoundException e) {
+            e.printStackTrace();
+        } catch (IOException e) {
+            e.printStackTrace();
+        }
+
+        return imp;
+    }
+
+    public static DFA<String> readDFA(BufferedReader br) throws IOException {
+
+        DFA<String> dfa = new DFA<String>();
+
+        String line;
+        while ((line = br.readLine()) != null) {
+            if(line.startsWith("B")) {
+                String[] states = line.substring(1,line.length()).split(",");
+                for(String s : states) { dfa.defineAsStartState(s); }
+            }
+
+            else if(line.startsWith("E")) {
+                String[] states = line.substring(1,line.length()).split(",");
+                for(String s : states) { dfa.defineAsEndState(s); }
+            }
+
+            else {
+                String[] trans = line.split(">");
+                dfa.addTransition(new Transition<String>(trans[0], trans[1].toCharArray()[0], trans[2]));
+            }
+        }
+
+        return dfa;
+    }
+
+    public static NDFA<String> readNDFA(BufferedReader br) throws IOException {
+
+    NDFA<String> ndfa = new NDFA<String>();
+        String line;
+        while ((line = br.readLine()) != null) {
+            if(line.startsWith("B")) {
+                String[] states = line.substring(1,line.length()).split(",");
+                for(String s : states) { ndfa.defineAsStartState(s); }
+            }
+
+            else if(line.startsWith("E")) {
+                String[] states = line.substring(1,line.length()).split(",");
+                for(String s : states) { ndfa.defineAsEndState(s); }
+            }
+
+            else {
+                String[] trans = line.split(">");
+
+                if(trans[1].equals("$")) {
+                    ndfa.addTransition(new Transition<String>(trans[0], Transition.EPSILON, trans[2]));
+                }
+                else
+                    ndfa.addTransition(new Transition<String>(trans[0], trans[1].toCharArray()[0], trans[2]));
+            }
+        }
+
+        return ndfa;
+    }
+
+    public static RegExp readRegex(BufferedReader br) throws IOException {
+        String line = "Error";
+        line = br.readLine();
+
+        RegExp regex = new RegExp();
+        regex = regex.naarRegExp(line);
+
+        return regex;
+    }
+}