Merge lp:~vytng/cfg-to-pda/init-classes into lp:cfg-to-pda

[Vy Thuy Nguyen]

=== added directory 'src/main/java/api'
=== added file 'src/main/java/api/Language.java'
--- src/main/java/api/Language.java	1970-01-01 00:00:00 +0000
+++ src/main/java/api/Language.java	2012-10-18 04:57:20 +0000
@@ -0,0 +1,20 @@
+package api;
+
+/**
+ *
+ * @author VyThuyNguyen
+ */
+public interface Language
+{
+    /**
+     *
+     * @return a string of the language
+     */
+    String sampleString();
+
+    /**
+     *
+     * @return a machine that recognizes the language
+     */
+    Machine getMachine();
+}
\ No newline at end of file

=== added file 'src/main/java/api/Machine.java'
--- src/main/java/api/Machine.java	1970-01-01 00:00:00 +0000
+++ src/main/java/api/Machine.java	2012-10-18 04:57:20 +0000
@@ -0,0 +1,9 @@
+package api;
+
+/**
+ *
+ * @author VyThuyNguyen
+ */
+public interface Machine
+{
+}
\ No newline at end of file

=== added directory 'src/main/java/cfgpda'
=== added file 'src/main/java/cfgpda/Cfg.java'
--- src/main/java/cfgpda/Cfg.java	1970-01-01 00:00:00 +0000
+++ src/main/java/cfgpda/Cfg.java	2012-10-18 04:57:20 +0000
@@ -0,0 +1,47 @@
+package cfgpda;
+
+import api.Language;
+import java.util.HashSet;
+import java.util.Set;
+import sun.reflect.generics.reflectiveObjects.NotImplementedException;
+
+/**
+ *
+ * @author Vy Thuy Nguyen
+ */
+public class Cfg implements Language 
+{
+    public static final String EPSILON = "e";
+    private Set<Character> variables;
+    private Set<Character> terminals;
+    private Set<Character> rules;
+    private char startVar;
+    
+    public Cfg(Set<Character> variables, Set<Character> terminals, Set<Character> rules, char startVar)
+    {
+        this.variables = new HashSet<Character>(variables);
+        this.terminals = new HashSet<Character>(terminals);
+        this.rules = new HashSet<Character>(rules);
+        this.startVar = startVar; 
+    }
+    
+    @Override
+    public String sampleString()
+    {
+        return "test";
+    }
+    
+    @Override
+    public Pda getMachine()
+    {
+        return new Pda(this);
+    }
+    
+    public Cfg toChomskyNormalForm()
+    {
+        throw new NotImplementedException();
+    }
+    
+    
+    
+}

=== added file 'src/main/java/cfgpda/Pda.java'
--- src/main/java/cfgpda/Pda.java	1970-01-01 00:00:00 +0000
+++ src/main/java/cfgpda/Pda.java	2012-10-18 04:57:20 +0000
@@ -0,0 +1,16 @@
+import api.Machine;
+
+/**
+ *
+ * @author Vy Thuy Nguyen
+ */
+public class Pda implements Machine
+{
+    private Cfg cfg;
+    
+    public Pda(Cfg cfg)
+    {
+        this.cfg = cfg;
+    }
+    
+}
\ No newline at end of file