Separated the Java and C ext codebases.

ext/java/LibogaService.java

@@ -0,0 +1,17 @@
+import java.io.IOException;
+
+import org.jruby.Ruby;
+import org.jruby.RubyModule;
+import org.jruby.RubyClass;
+import org.jruby.runtime.load.BasicLibraryService;
+import org.jruby.runtime.load.Library;
+
+public class LibogaService implements BasicLibraryService
+{
+    public boolean basicLoad(final Ruby runtime) throws IOException
+    {
+        org.liboga.xml.Lexer.load(runtime);
+
+        return true;
+    }
+}

ext/java/org/liboga/xml/Lexer.rl

@@ -0,0 +1,83 @@
+package org.liboga.xml;
+
+%%machine lexer;
+
+import java.io.IOException;
+
+import org.jcodings.Encoding;
+
+import org.jruby.Ruby;
+import org.jruby.RubyModule;
+import org.jruby.RubyClass;
+import org.jruby.RubyObject;
+import org.jruby.RubyString;
+import org.jruby.anno.JRubyClass;
+import org.jruby.anno.JRubyMethod;
+import org.jruby.runtime.ThreadContext;
+import org.jruby.runtime.ObjectAllocator;
+import org.jruby.runtime.builtin.IRubyObject;
+
+@JRubyClass(name="Oga::XML::Lexer", parent="Object")
+public class Lexer extends RubyObject
+{
+    %% write data;
+
+    public static void load(Ruby runtime)
+    {
+        RubyModule xml = (RubyModule) runtime.getModule("Oga")
+            .getConstant("XML");
+
+        RubyClass lexer = xml.defineClassUnder(
+            "Lexer",
+            runtime.getObject(),
+            ALLOCATOR
+        );
+
+        lexer.defineAnnotatedMethods(Lexer.class);
+    }
+
+    private static final ObjectAllocator ALLOCATOR = new ObjectAllocator()
+    {
+        public IRubyObject allocate(Ruby runtime, RubyClass klass)
+        {
+            return new org.liboga.xml.Lexer(runtime, klass);
+        }
+    };
+
+    public Lexer(Ruby runtime, RubyClass klass)
+    {
+        super(runtime, klass);
+    }
+
+    @JRubyMethod
+    public IRubyObject advance_native(ThreadContext context)
+    {
+        // Pull the data in from Ruby land.
+        RubyString rb_str = (RubyString) this.getInstanceVariable("@data");
+        Encoding encoding = rb_str.getEncoding();
+
+        byte[] data = rb_str.getBytes();
+
+        int act = 0;
+        int cs  = 0;
+        int ts  = 0;
+        int te  = 0;
+        int p   = 0;
+        int pe  = data.length;
+        int eof = 0;
+        int top = 0;
+
+        int[] stack = {};
+
+        %% write init;
+        %% write exec;
+
+        return context.nil;
+    }
+}
+
+%%{
+    main := |*
+        any;
+    *|;
+}%%