WIP minetest <-> laby import/export

- currently possible to export a laby into minetest
- start of a lua content parser to import .we into lab

java/org/artisanlogiciel/lua/CharProvider.java

@@ -0,0 +1,32 @@
+package org.artisanlogiciel.lua;
+
+public class CharProvider {
+
+    String input;
+    int current;
+
+    public CharProvider(String input) {
+        this.input = input;
+        current = 0;
+    }
+
+    public char getNextchar()
+    {
+        int i = current;
+        if ( input.length() > current) {
+            current++;
+            return input.charAt(i);
+        }
+        else
+        {
+            return 0;
+        }
+    }
+
+    public void pushBackChar(char c)
+    {
+        System.out.print('*');
+        current--;
+    }
+
+}

java/org/artisanlogiciel/lua/LuaNumber.java

@@ -0,0 +1,17 @@
+package org.artisanlogiciel.lua;
+
+public class LuaNumber
+extends LuaObject {
+
+    int number;
+
+    LuaNumber(int number)
+    {
+        this.number = number;
+    }
+
+    @Override
+    public String toString() {
+        return "" + number ;
+    }
+}

java/org/artisanlogiciel/lua/LuaObject.java

@@ -0,0 +1,4 @@
+package org.artisanlogiciel.lua;
+
+public class LuaObject {
+}

java/org/artisanlogiciel/lua/LuaSequence.java

@@ -0,0 +1,43 @@
+package org.artisanlogiciel.lua;
+
+import java.util.ArrayList;
+import java.util.List;
+
+public class LuaSequence
+extends  LuaObject{
+    List<LuaObject> items;
+
+    public LuaSequence()
+    {
+        items = new ArrayList<>();
+    }
+
+    void addObject(LuaObject object)
+    {
+        if ( object == null )
+        {
+            System.err.println("adding null tuple");
+        }
+        items.add(object);
+
+    }
+
+    @Override
+    public String toString()
+    {
+        StringBuffer buffer = new StringBuffer();
+        buffer.append('{');
+        if (items.size() > 0) {
+            buffer.append(items.get(0).toString());
+            if (items.size() > 1) {
+                for (int i = 1; i < items.size(); i ++)
+                {
+                    buffer.append(',');
+                    buffer.append(items.get(i).toString());
+                }
+            }
+        }
+        buffer.append('}');
+        return buffer.toString();
+    }
+}

java/org/artisanlogiciel/lua/LuaString.java

@@ -0,0 +1,17 @@
+package org.artisanlogiciel.lua;
+
+public class LuaString
+    extends LuaObject
+{
+    String string;
+
+    public LuaString(StringBuffer stringBuffer)
+    {
+        string = stringBuffer.toString();
+    }
+
+    @Override
+    public String toString() {
+        return '"' + string + '"' ;
+    }
+}

java/org/artisanlogiciel/lua/LuaTuple.java

@@ -0,0 +1,32 @@
+package org.artisanlogiciel.lua;
+
+import java.util.ArrayList;
+import java.util.List;
+
+public class LuaTuple
+    extends  LuaObject
+{
+    List<LuaObject> items;
+
+
+    public LuaTuple() {
+        this.items = new ArrayList<>(2);
+    }
+
+    public LuaObject addItem(LuaObject item)
+    {
+        items.add(item);
+        return item;
+    }
+
+    @Override
+    public String toString() {
+        StringBuffer buffer  = new StringBuffer();
+        buffer.append('[');
+        buffer.append(items.get(0).toString());
+        buffer.append("]");
+        buffer.append('=');
+        buffer.append(items.get(1).toString());
+        return buffer.toString();
+    }
+}