From 783e3a9d5599c2ff5aebe648f684c5da9c7649e3 Mon Sep 17 00:00:00 2001
From: Gabriel Salvador <gabriel.carvalho.salvador@gmail.com>
Date: Thu, 6 Jul 2023 13:57:02 +0100
Subject: [PATCH] layout builder language code

---
 src/main/java/controlP5/Textfield.java        |   5 +-
 src/main/java/controlP5/TextfieldCommand.java |   5 +
 .../java/controlP5/TextfieldMultiline.java    | 223 --------
 .../java/controlP5/layout/LayoutBuilder.java  |  43 ++
 src/main/java/controlP5/layout/XML.g4         |  31 ++
 .../java/controlP5/layout/lang/XML.interp     |  35 ++
 .../java/controlP5/layout/lang/XML.tokens     |  14 +
 .../layout/lang/XMLBaseListener.java          | 112 ++++
 .../controlP5/layout/lang/XMLLexer.interp     |  46 ++
 .../java/controlP5/layout/lang/XMLLexer.java  | 161 ++++++
 .../controlP5/layout/lang/XMLLexer.tokens     |  14 +
 .../controlP5/layout/lang/XMLListener.java    |  70 +++
 .../java/controlP5/layout/lang/XMLParser.java | 490 ++++++++++++++++++
 13 files changed, 1023 insertions(+), 226 deletions(-)
 create mode 100644 src/main/java/controlP5/TextfieldCommand.java
 delete mode 100755 src/main/java/controlP5/TextfieldMultiline.java
 create mode 100644 src/main/java/controlP5/layout/LayoutBuilder.java
 create mode 100644 src/main/java/controlP5/layout/XML.g4
 create mode 100644 src/main/java/controlP5/layout/lang/XML.interp
 create mode 100644 src/main/java/controlP5/layout/lang/XML.tokens
 create mode 100644 src/main/java/controlP5/layout/lang/XMLBaseListener.java
 create mode 100644 src/main/java/controlP5/layout/lang/XMLLexer.interp
 create mode 100644 src/main/java/controlP5/layout/lang/XMLLexer.java
 create mode 100644 src/main/java/controlP5/layout/lang/XMLLexer.tokens
 create mode 100644 src/main/java/controlP5/layout/lang/XMLListener.java
 create mode 100644 src/main/java/controlP5/layout/lang/XMLParser.java

diff --git a/src/main/java/controlP5/Textfield.java b/src/main/java/controlP5/Textfield.java
index c538633..8979dfc 100755
--- a/src/main/java/controlP5/Textfield.java
+++ b/src/main/java/controlP5/Textfield.java
@@ -32,6 +32,7 @@ import java.util.List;
 import java.util.Map;
 
 import controlP5.events.ReleasedOutsideListener;
+import controlP5.textfield.TextfieldCommand;
 import processing.core.PApplet;
 import processing.core.PFont;
 import processing.core.PGraphics;
@@ -394,9 +395,7 @@ public class Textfield extends Controller< Textfield > implements ReleasedOutsid
 		return this;
 	}
 
-	interface TextfieldCommand {
-		void execute( );
-	}
+
 
 	class InsertCharacter implements TextfieldCommand {
 
diff --git a/src/main/java/controlP5/TextfieldCommand.java b/src/main/java/controlP5/TextfieldCommand.java
new file mode 100644
index 0000000..4cbdb3a
--- /dev/null
+++ b/src/main/java/controlP5/TextfieldCommand.java
@@ -0,0 +1,5 @@
+package controlP5.textfield;
+
+public interface TextfieldCommand {
+    void execute( );
+}
\ No newline at end of file
diff --git a/src/main/java/controlP5/TextfieldMultiline.java b/src/main/java/controlP5/TextfieldMultiline.java
deleted file mode 100755
index 34a0d3b..0000000
--- a/src/main/java/controlP5/TextfieldMultiline.java
+++ /dev/null
@@ -1,223 +0,0 @@
-package controlP5;
-
-import processing.core.PApplet;
-import processing.core.PGraphics;
-
-import java.util.ArrayList;
-
-import controlP5.ControlEvent;
-import controlP5.ControlFont;
-import controlP5.ControlListener;
-import controlP5.ControlP5;
-import controlP5.Slider;
-import controlP5.Textfield;
-
-/**
- * a textarea can be used to leave notes, it uses the controlP5 BitFont to
- * render text. Scrollbars
- * will automatically be added when text extends the visible area. Textarea
- * extends ControllerGroup,
- * for more methods available see the ControllerGroup documentation.
- *
- * @example controllers/ControlP5textarea
- */
-
-public class TextfieldMultiline extends Textfield implements ControlListener {
-
-	public boolean isScrollbarVisible = false;
-	protected Slider _myScrollbar;
-
-	public int _myWidth = 300;
-	protected int _myTextBufferRowIndex = 0;
-	protected int _myTextBufferColumnIndex = 0;
-
-	private ArrayList<StringBuffer> _myTextBuffer = new ArrayList<StringBuffer>();
-
-	public TextfieldMultiline(ControlP5 theControlP5, String theName) {
-		super(theControlP5, theName);
-		_myValueLabel.setLabeltype(_myValueLabel.new MultilineLabel());
-		_myTextBuffer = new ArrayList<>(_myTextBuffer);
-		keyMapping.put(ENTER, new NewLine());
-		keyMapping.put(DOWN, new MoveDown());
-		keyMapping.put(UP, new MoveUp());
-		keyMapping.put(LEFT, new MoveLeft());
-		keyMapping.put(RIGHT, new MoveRight());
-		keyMapping.put(DEFAULT, new InsertCharacter());
-		keyMapping.put(BACKSPACE, new DeleteCharacter());
-	}
-
-	class InsertCharacter implements TextfieldCommand {
-
-		public void execute() {
-
-			if ((int) (cp5.getKey()) == 65535) {
-				return;
-			}
-
-			if (_myInputFilter.apply(cp5.getKey())) {
-
-				_myTextBuffer.get(_myTextBufferRowIndex).insert(_myTextBufferColumnIndex, (char) cp5.getKey());
-				_myTextBufferColumnIndex += 1;
-
-			}
-		}
-	}
-
-	class DeleteCharacter implements TextfieldCommand {
-		public void execute() {
-			if (_myTextBufferColumnIndex > 0) {
-				_myTextBuffer.get(_myTextBufferRowIndex).deleteCharAt(_myTextBufferColumnIndex - 1);
-				_myTextBufferColumnIndex -= 1;
-			}
-		}
-	}
-
-	class NewLine implements TextfieldCommand {
-		public void execute() {
-			_myTextBuffer.add(_myTextBufferRowIndex + 1, new StringBuffer());
-			_myTextBufferRowIndex += 1;
-			_myTextBufferColumnIndex = 0;
-		}
-	}
-
-	class MoveDown implements TextfieldCommand {
-		public void execute() {
-			// if not at the last line
-			if (_myTextBufferRowIndex < _myTextBuffer.size() - 1) {
-				// if the next line is shorter than the current line
-				// set cursor to the end of the next line
-				if (_myTextBuffer.get(_myTextBufferRowIndex + 1).length() < _myTextBufferColumnIndex) {
-					_myTextBufferColumnIndex = _myTextBuffer.get(_myTextBufferRowIndex + 1).length();
-				}
-				_myTextBufferRowIndex += 1;
-			}
-		}
-	}
-
-	class MoveUp implements TextfieldCommand {
-		public void execute() {
-			if (_myTextBufferRowIndex > 0) {
-				// if the next line is shorter than the current line
-				// set cursor to the end of the next line
-				if (_myTextBuffer.get(_myTextBufferRowIndex - 1).length() < _myTextBufferColumnIndex) {
-					_myTextBufferColumnIndex = _myTextBuffer.get(_myTextBufferRowIndex - 1).length();
-				}
-				_myTextBufferRowIndex -= 1;
-			}
-
-		}
-	}
-
-	class MoveLeft implements TextfieldCommand {
-		public void execute() {
-			// if not at the first char
-			if(_myTextBufferColumnIndex > 0) {
-				_myTextBufferColumnIndex -= 1;
-			}// if at the first char of a line
-			else if(_myTextBufferColumnIndex == 0 && _myTextBufferRowIndex > 0) {
-				_myTextBufferRowIndex -= 1;
-				_myTextBufferColumnIndex = _myTextBuffer.get(_myTextBufferRowIndex).length();
-			}
-		}
-	}
-
-	class MoveRight implements TextfieldCommand {
-		public void execute() {
-			if(_myTextBufferColumnIndex < _myTextBuffer.get(_myTextBufferRowIndex).length()) {
-				_myTextBufferColumnIndex += 1;
-			}else if (_myTextBufferColumnIndex == _myTextBuffer.get(_myTextBufferRowIndex).length() && _myTextBufferRowIndex < _myTextBuffer.size() - 1) {
-				_myTextBufferRowIndex += 1;
-				_myTextBufferColumnIndex = 0;
-			}
-		}
-	}
-
-	@Override
-	public void controlEvent(ControlEvent theEvent) {
-
-	}
-
-	@Override
-	public void draw(PGraphics theGraphics) {
-
-		theGraphics.pushStyle();
-		theGraphics.fill(color.getBackground());
-		theGraphics.pushMatrix();
-		theGraphics.translate(x(position), y(position));
-		theGraphics.rect(0, 0, getWidth(), getHeight());
-		theGraphics.noStroke();
-
-		theGraphics.fill(_myColorCursor);
-		theGraphics.pushMatrix();
-		theGraphics.pushStyle();
-
-		buffer.beginDraw();
-		buffer.background(0, 0);
-		final String text = getText();
-		final int textWidth = ControlFont.getWidthFor(text.substring(0, _myTextBufferColumnIndex), _myValueLabel,buffer);
-		final int dif = PApplet.max(textWidth - _myValueLabel.getWidth(), 0);
-		final String thisLine = _myTextBuffer.get(_myTextBufferRowIndex).toString();
-		final int _myTextBufferIndexPosition = ControlFont.getWidthFor(thisLine.substring(0, _myTextBufferColumnIndex),
-				_myValueLabel, buffer);
-		_myValueLabel.setText(text);
-		_myValueLabel.draw(buffer, -dif, 0, this);
-		buffer.noStroke();
-		if (isTexfieldActive) {
-			if (!cp5.papplet.keyPressed) {
-				buffer.fill(_myColorCursor, PApplet.abs(PApplet.sin(cp5.papplet.frameCount * 0.05f)) * 255);
-			} else {
-				buffer.fill(_myColorCursor);
-			}
-
-			buffer.rect(PApplet.max(1, PApplet.min(_myTextBufferIndexPosition, _myValueLabel.getWidth() - 3)),
-					(_myTextBufferRowIndex) * _myValueLabel.getLineHeight(), 1, 10);
-		}
-		buffer.endDraw();
-		theGraphics.image(buffer, 0, 0);
-
-		theGraphics.popStyle();
-		theGraphics.popMatrix();
-
-		theGraphics.fill(isTexfieldActive ? color.getActive() : color.getForeground());
-		theGraphics.rect(0, 0, getWidth(), 1);
-		theGraphics.rect(0, getHeight() - 1, getWidth(), 1);
-		theGraphics.rect(-1, 0, 1, getHeight());
-		theGraphics.rect(getWidth(), 0, 1, getHeight());
-		_myCaptionLabel.draw(theGraphics, 0, 0, this);
-		theGraphics.popMatrix();
-		theGraphics.popStyle();
-	}
-
-	@Override
-	public String getText() {
-		StringBuilder sb = new StringBuilder();
-		for (StringBuffer s : _myTextBuffer) {
-			sb.append(s.toString() + "\n");
-		}
-		return sb.toString();
-	}
-
-	@Override
-	public Textfield setValue(String theText) {
-		_myTextBuffer = new ArrayList<StringBuffer>();
-
-		// split theText into lines
-		String[] lines = theText.split("\n");
-		for (int i = 0; i < lines.length; i++) {
-			_myTextBuffer.add(i, new StringBuffer(lines[i]));
-		}
-
-		return this;
-	}
-
-	public Textfield setText(String theText) {
-		return setValue(theText);
-	}
-
-	public Textfield setIndex(int theColIndex, int theRowIndex) {
-		_myTextBufferColumnIndex = theColIndex;
-		_myTextBufferRowIndex = theRowIndex;
-		return this;
-	}
-
-}
\ No newline at end of file
diff --git a/src/main/java/controlP5/layout/LayoutBuilder.java b/src/main/java/controlP5/layout/LayoutBuilder.java
new file mode 100644
index 0000000..f450a2e
--- /dev/null
+++ b/src/main/java/controlP5/layout/LayoutBuilder.java
@@ -0,0 +1,43 @@
+package controlP5.layout;
+
+import controlP5.layout.lang.XMLBaseListener;
+import controlP5.layout.lang.XMLLexer;
+import controlP5.layout.lang.XMLParser;
+import org.antlr.v4.runtime.*;
+import org.antlr.v4.runtime.tree.*;
+
+public class LayoutBuilder {
+
+    public static void parseXML(String xml) throws Exception {
+        ANTLRInputStream input = new ANTLRInputStream(xml);
+        XMLLexer lexer = new XMLLexer(input);
+        CommonTokenStream tokens = new CommonTokenStream(lexer);
+        XMLParser parser = new XMLParser(tokens);
+        ParseTree tree = parser.document();
+
+        ParseTreeWalker walker = new ParseTreeWalker();
+        XMLListener listener = new XMLListener();
+        walker.walk(listener, tree);
+    }
+
+    private static class XMLListener extends XMLBaseListener {
+        @Override
+        public void enterStartTag(XMLParser.StartTagContext ctx) {
+            String controlName = ctx.Name().getText();
+
+            // Create ControlP5 instance based on controlName
+            // ControlP5 control = ControlP5Factory.create(controlName);
+
+            int attrCount = ctx.attribute().size();
+            for(int i = 0; i < attrCount; i++) {
+                String attrName = ctx.attribute(i).Name().getText();
+                String attrValue = ctx.attribute(i).STRING().getText();
+
+                // Set attribute
+                // control.setAttribute(attrName, attrValue);
+            }
+
+            // After setting all attributes, you could add the control to your UI or store it somewhere
+        }
+    }
+}
diff --git a/src/main/java/controlP5/layout/XML.g4 b/src/main/java/controlP5/layout/XML.g4
new file mode 100644
index 0000000..b26517e
--- /dev/null
+++ b/src/main/java/controlP5/layout/XML.g4
@@ -0,0 +1,31 @@
+grammar XML;
+
+document  : element EOF ;
+
+element   : startTag (content | SPACE)* endTag
+          | SELF_CLOSING
+          ;
+
+startTag  : OPEN Name attribute* CLOSE ;
+
+endTag    : OPEN_SLASH Name CLOSE ;
+
+SELF_CLOSING : OPEN Name SLASH_CLOSE ;
+
+attribute : Name EQUALS STRING ;
+
+content   : element | STRING ;
+
+
+SPACE     : [ \t\r\n] ;
+OPEN      : '<' ;
+OPEN_SLASH: '</' ;
+CLOSE     : '>' ;
+SLASH_CLOSE: '/>' ;
+EQUALS    : '=' ;
+
+Name      : ALPHA (ALPHA | DIGIT | '.' | '-' | '_')* ;
+STRING    : '"' ( ~'"' )* '"' | '\'' ( ~'\'' )* '\'' ;
+
+fragment DIGIT : [0-9] ;
+fragment ALPHA : [a-zA-Z] ;
diff --git a/src/main/java/controlP5/layout/lang/XML.interp b/src/main/java/controlP5/layout/lang/XML.interp
new file mode 100644
index 0000000..e4fb8d8
--- /dev/null
+++ b/src/main/java/controlP5/layout/lang/XML.interp
@@ -0,0 +1,35 @@
+token literal names:
+null
+null
+null
+'<'
+'</'
+'>'
+'/>'
+'='
+null
+null
+
+token symbolic names:
+null
+SELF_CLOSING
+SPACE
+OPEN
+OPEN_SLASH
+CLOSE
+SLASH_CLOSE
+EQUALS
+Name
+STRING
+
+rule names:
+document
+element
+startTag
+endTag
+attribute
+content
+
+
+atn:
+[4, 1, 9, 51, 2, 0, 7, 0, 2, 1, 7, 1, 2, 2, 7, 2, 2, 3, 7, 3, 2, 4, 7, 4, 2, 5, 7, 5, 1, 0, 1, 0, 1, 0, 1, 1, 1, 1, 1, 1, 5, 1, 19, 8, 1, 10, 1, 12, 1, 22, 9, 1, 1, 1, 1, 1, 1, 1, 3, 1, 27, 8, 1, 1, 2, 1, 2, 1, 2, 5, 2, 32, 8, 2, 10, 2, 12, 2, 35, 9, 2, 1, 2, 1, 2, 1, 3, 1, 3, 1, 3, 1, 3, 1, 4, 1, 4, 1, 4, 1, 4, 1, 5, 1, 5, 3, 5, 49, 8, 5, 1, 5, 0, 0, 6, 0, 2, 4, 6, 8, 10, 0, 0, 49, 0, 12, 1, 0, 0, 0, 2, 26, 1, 0, 0, 0, 4, 28, 1, 0, 0, 0, 6, 38, 1, 0, 0, 0, 8, 42, 1, 0, 0, 0, 10, 48, 1, 0, 0, 0, 12, 13, 3, 2, 1, 0, 13, 14, 5, 0, 0, 1, 14, 1, 1, 0, 0, 0, 15, 20, 3, 4, 2, 0, 16, 19, 3, 10, 5, 0, 17, 19, 5, 2, 0, 0, 18, 16, 1, 0, 0, 0, 18, 17, 1, 0, 0, 0, 19, 22, 1, 0, 0, 0, 20, 18, 1, 0, 0, 0, 20, 21, 1, 0, 0, 0, 21, 23, 1, 0, 0, 0, 22, 20, 1, 0, 0, 0, 23, 24, 3, 6, 3, 0, 24, 27, 1, 0, 0, 0, 25, 27, 5, 1, 0, 0, 26, 15, 1, 0, 0, 0, 26, 25, 1, 0, 0, 0, 27, 3, 1, 0, 0, 0, 28, 29, 5, 3, 0, 0, 29, 33, 5, 8, 0, 0, 30, 32, 3, 8, 4, 0, 31, 30, 1, 0, 0, 0, 32, 35, 1, 0, 0, 0, 33, 31, 1, 0, 0, 0, 33, 34, 1, 0, 0, 0, 34, 36, 1, 0, 0, 0, 35, 33, 1, 0, 0, 0, 36, 37, 5, 5, 0, 0, 37, 5, 1, 0, 0, 0, 38, 39, 5, 4, 0, 0, 39, 40, 5, 8, 0, 0, 40, 41, 5, 5, 0, 0, 41, 7, 1, 0, 0, 0, 42, 43, 5, 8, 0, 0, 43, 44, 5, 7, 0, 0, 44, 45, 5, 9, 0, 0, 45, 9, 1, 0, 0, 0, 46, 49, 3, 2, 1, 0, 47, 49, 5, 9, 0, 0, 48, 46, 1, 0, 0, 0, 48, 47, 1, 0, 0, 0, 49, 11, 1, 0, 0, 0, 5, 18, 20, 26, 33, 48]
\ No newline at end of file
diff --git a/src/main/java/controlP5/layout/lang/XML.tokens b/src/main/java/controlP5/layout/lang/XML.tokens
new file mode 100644
index 0000000..f1d8167
--- /dev/null
+++ b/src/main/java/controlP5/layout/lang/XML.tokens
@@ -0,0 +1,14 @@
+SELF_CLOSING=1
+SPACE=2
+OPEN=3
+OPEN_SLASH=4
+CLOSE=5
+SLASH_CLOSE=6
+EQUALS=7
+Name=8
+STRING=9
+'<'=3
+'</'=4
+'>'=5
+'/>'=6
+'='=7
diff --git a/src/main/java/controlP5/layout/lang/XMLBaseListener.java b/src/main/java/controlP5/layout/lang/XMLBaseListener.java
new file mode 100644
index 0000000..90a3ea5
--- /dev/null
+++ b/src/main/java/controlP5/layout/lang/XMLBaseListener.java
@@ -0,0 +1,112 @@
+// Generated from XML.g4 by ANTLR 4.13.0
+package controlP5.layout.lang;
+
+import org.antlr.v4.runtime.ParserRuleContext;
+import org.antlr.v4.runtime.tree.ErrorNode;
+import org.antlr.v4.runtime.tree.TerminalNode;
+
+/**
+ * This class provides an empty implementation of {@link XMLListener},
+ * which can be extended to create a listener which only needs to handle a subset
+ * of the available methods.
+ */
+@SuppressWarnings("CheckReturnValue")
+public class XMLBaseListener implements XMLListener {
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation does nothing.</p>
+	 */
+	@Override public void enterDocument(XMLParser.DocumentContext ctx) { }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation does nothing.</p>
+	 */
+	@Override public void exitDocument(XMLParser.DocumentContext ctx) { }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation does nothing.</p>
+	 */
+	@Override public void enterElement(XMLParser.ElementContext ctx) { }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation does nothing.</p>
+	 */
+	@Override public void exitElement(XMLParser.ElementContext ctx) { }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation does nothing.</p>
+	 */
+	@Override public void enterStartTag(XMLParser.StartTagContext ctx) { }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation does nothing.</p>
+	 */
+	@Override public void exitStartTag(XMLParser.StartTagContext ctx) { }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation does nothing.</p>
+	 */
+	@Override public void enterEndTag(XMLParser.EndTagContext ctx) { }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation does nothing.</p>
+	 */
+	@Override public void exitEndTag(XMLParser.EndTagContext ctx) { }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation does nothing.</p>
+	 */
+	@Override public void enterAttribute(XMLParser.AttributeContext ctx) { }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation does nothing.</p>
+	 */
+	@Override public void exitAttribute(XMLParser.AttributeContext ctx) { }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation does nothing.</p>
+	 */
+	@Override public void enterContent(XMLParser.ContentContext ctx) { }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation does nothing.</p>
+	 */
+	@Override public void exitContent(XMLParser.ContentContext ctx) { }
+
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation does nothing.</p>
+	 */
+	@Override public void enterEveryRule(ParserRuleContext ctx) { }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation does nothing.</p>
+	 */
+	@Override public void exitEveryRule(ParserRuleContext ctx) { }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation does nothing.</p>
+	 */
+	@Override public void visitTerminal(TerminalNode node) { }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation does nothing.</p>
+	 */
+	@Override public void visitErrorNode(ErrorNode node) { }
+}
\ No newline at end of file
diff --git a/src/main/java/controlP5/layout/lang/XMLLexer.interp b/src/main/java/controlP5/layout/lang/XMLLexer.interp
new file mode 100644
index 0000000..ed666d1
--- /dev/null
+++ b/src/main/java/controlP5/layout/lang/XMLLexer.interp
@@ -0,0 +1,46 @@
+token literal names:
+null
+null
+null
+'<'
+'</'
+'>'
+'/>'
+'='
+null
+null
+
+token symbolic names:
+null
+SELF_CLOSING
+SPACE
+OPEN
+OPEN_SLASH
+CLOSE
+SLASH_CLOSE
+EQUALS
+Name
+STRING
+
+rule names:
+SELF_CLOSING
+SPACE
+OPEN
+OPEN_SLASH
+CLOSE
+SLASH_CLOSE
+EQUALS
+Name
+STRING
+DIGIT
+ALPHA
+
+channel names:
+DEFAULT_TOKEN_CHANNEL
+HIDDEN
+
+mode names:
+DEFAULT_MODE
+
+atn:
+[4, 0, 9, 72, 6, -1, 2, 0, 7, 0, 2, 1, 7, 1, 2, 2, 7, 2, 2, 3, 7, 3, 2, 4, 7, 4, 2, 5, 7, 5, 2, 6, 7, 6, 2, 7, 7, 7, 2, 8, 7, 8, 2, 9, 7, 9, 2, 10, 7, 10, 1, 0, 1, 0, 1, 0, 1, 0, 1, 1, 1, 1, 1, 2, 1, 2, 1, 3, 1, 3, 1, 3, 1, 4, 1, 4, 1, 5, 1, 5, 1, 5, 1, 6, 1, 6, 1, 7, 1, 7, 1, 7, 1, 7, 5, 7, 46, 8, 7, 10, 7, 12, 7, 49, 9, 7, 1, 8, 1, 8, 5, 8, 53, 8, 8, 10, 8, 12, 8, 56, 9, 8, 1, 8, 1, 8, 1, 8, 5, 8, 61, 8, 8, 10, 8, 12, 8, 64, 9, 8, 1, 8, 3, 8, 67, 8, 8, 1, 9, 1, 9, 1, 10, 1, 10, 0, 0, 11, 1, 1, 3, 2, 5, 3, 7, 4, 9, 5, 11, 6, 13, 7, 15, 8, 17, 9, 19, 0, 21, 0, 1, 0, 6, 3, 0, 9, 10, 13, 13, 32, 32, 2, 0, 45, 46, 95, 95, 1, 0, 34, 34, 1, 0, 39, 39, 1, 0, 48, 57, 2, 0, 65, 90, 97, 122, 75, 0, 1, 1, 0, 0, 0, 0, 3, 1, 0, 0, 0, 0, 5, 1, 0, 0, 0, 0, 7, 1, 0, 0, 0, 0, 9, 1, 0, 0, 0, 0, 11, 1, 0, 0, 0, 0, 13, 1, 0, 0, 0, 0, 15, 1, 0, 0, 0, 0, 17, 1, 0, 0, 0, 1, 23, 1, 0, 0, 0, 3, 27, 1, 0, 0, 0, 5, 29, 1, 0, 0, 0, 7, 31, 1, 0, 0, 0, 9, 34, 1, 0, 0, 0, 11, 36, 1, 0, 0, 0, 13, 39, 1, 0, 0, 0, 15, 41, 1, 0, 0, 0, 17, 66, 1, 0, 0, 0, 19, 68, 1, 0, 0, 0, 21, 70, 1, 0, 0, 0, 23, 24, 3, 5, 2, 0, 24, 25, 3, 15, 7, 0, 25, 26, 3, 11, 5, 0, 26, 2, 1, 0, 0, 0, 27, 28, 7, 0, 0, 0, 28, 4, 1, 0, 0, 0, 29, 30, 5, 60, 0, 0, 30, 6, 1, 0, 0, 0, 31, 32, 5, 60, 0, 0, 32, 33, 5, 47, 0, 0, 33, 8, 1, 0, 0, 0, 34, 35, 5, 62, 0, 0, 35, 10, 1, 0, 0, 0, 36, 37, 5, 47, 0, 0, 37, 38, 5, 62, 0, 0, 38, 12, 1, 0, 0, 0, 39, 40, 5, 61, 0, 0, 40, 14, 1, 0, 0, 0, 41, 47, 3, 21, 10, 0, 42, 46, 3, 21, 10, 0, 43, 46, 3, 19, 9, 0, 44, 46, 7, 1, 0, 0, 45, 42, 1, 0, 0, 0, 45, 43, 1, 0, 0, 0, 45, 44, 1, 0, 0, 0, 46, 49, 1, 0, 0, 0, 47, 45, 1, 0, 0, 0, 47, 48, 1, 0, 0, 0, 48, 16, 1, 0, 0, 0, 49, 47, 1, 0, 0, 0, 50, 54, 5, 34, 0, 0, 51, 53, 8, 2, 0, 0, 52, 51, 1, 0, 0, 0, 53, 56, 1, 0, 0, 0, 54, 52, 1, 0, 0, 0, 54, 55, 1, 0, 0, 0, 55, 57, 1, 0, 0, 0, 56, 54, 1, 0, 0, 0, 57, 67, 5, 34, 0, 0, 58, 62, 5, 39, 0, 0, 59, 61, 8, 3, 0, 0, 60, 59, 1, 0, 0, 0, 61, 64, 1, 0, 0, 0, 62, 60, 1, 0, 0, 0, 62, 63, 1, 0, 0, 0, 63, 65, 1, 0, 0, 0, 64, 62, 1, 0, 0, 0, 65, 67, 5, 39, 0, 0, 66, 50, 1, 0, 0, 0, 66, 58, 1, 0, 0, 0, 67, 18, 1, 0, 0, 0, 68, 69, 7, 4, 0, 0, 69, 20, 1, 0, 0, 0, 70, 71, 7, 5, 0, 0, 71, 22, 1, 0, 0, 0, 6, 0, 45, 47, 54, 62, 66, 0]
\ No newline at end of file
diff --git a/src/main/java/controlP5/layout/lang/XMLLexer.java b/src/main/java/controlP5/layout/lang/XMLLexer.java
new file mode 100644
index 0000000..5bd5599
--- /dev/null
+++ b/src/main/java/controlP5/layout/lang/XMLLexer.java
@@ -0,0 +1,161 @@
+// Generated from XML.g4 by ANTLR 4.13.0
+package controlP5.layout.lang;
+import org.antlr.v4.runtime.Lexer;
+import org.antlr.v4.runtime.CharStream;
+import org.antlr.v4.runtime.Token;
+import org.antlr.v4.runtime.TokenStream;
+import org.antlr.v4.runtime.*;
+import org.antlr.v4.runtime.atn.*;
+import org.antlr.v4.runtime.dfa.DFA;
+import org.antlr.v4.runtime.misc.*;
+
+@SuppressWarnings({"all", "warnings", "unchecked", "unused", "cast", "CheckReturnValue"})
+public class XMLLexer extends Lexer {
+	static { RuntimeMetaData.checkVersion("4.13.0", RuntimeMetaData.VERSION); }
+
+	protected static final DFA[] _decisionToDFA;
+	protected static final PredictionContextCache _sharedContextCache =
+		new PredictionContextCache();
+	public static final int
+		SELF_CLOSING=1, SPACE=2, OPEN=3, OPEN_SLASH=4, CLOSE=5, SLASH_CLOSE=6, 
+		EQUALS=7, Name=8, STRING=9;
+	public static String[] channelNames = {
+		"DEFAULT_TOKEN_CHANNEL", "HIDDEN"
+	};
+
+	public static String[] modeNames = {
+		"DEFAULT_MODE"
+	};
+
+	private static String[] makeRuleNames() {
+		return new String[] {
+			"SELF_CLOSING", "SPACE", "OPEN", "OPEN_SLASH", "CLOSE", "SLASH_CLOSE", 
+			"EQUALS", "Name", "STRING", "DIGIT", "ALPHA"
+		};
+	}
+	public static final String[] ruleNames = makeRuleNames();
+
+	private static String[] makeLiteralNames() {
+		return new String[] {
+			null, null, null, "'<'", "'</'", "'>'", "'/>'", "'='"
+		};
+	}
+	private static final String[] _LITERAL_NAMES = makeLiteralNames();
+	private static String[] makeSymbolicNames() {
+		return new String[] {
+			null, "SELF_CLOSING", "SPACE", "OPEN", "OPEN_SLASH", "CLOSE", "SLASH_CLOSE", 
+			"EQUALS", "Name", "STRING"
+		};
+	}
+	private static final String[] _SYMBOLIC_NAMES = makeSymbolicNames();
+	public static final Vocabulary VOCABULARY = new VocabularyImpl(_LITERAL_NAMES, _SYMBOLIC_NAMES);
+
+	/**
+	 * @deprecated Use {@link #VOCABULARY} instead.
+	 */
+	@Deprecated
+	public static final String[] tokenNames;
+	static {
+		tokenNames = new String[_SYMBOLIC_NAMES.length];
+		for (int i = 0; i < tokenNames.length; i++) {
+			tokenNames[i] = VOCABULARY.getLiteralName(i);
+			if (tokenNames[i] == null) {
+				tokenNames[i] = VOCABULARY.getSymbolicName(i);
+			}
+
+			if (tokenNames[i] == null) {
+				tokenNames[i] = "<INVALID>";
+			}
+		}
+	}
+
+	@Override
+	@Deprecated
+	public String[] getTokenNames() {
+		return tokenNames;
+	}
+
+	@Override
+
+	public Vocabulary getVocabulary() {
+		return VOCABULARY;
+	}
+
+
+	public XMLLexer(CharStream input) {
+		super(input);
+		_interp = new LexerATNSimulator(this,_ATN,_decisionToDFA,_sharedContextCache);
+	}
+
+	@Override
+	public String getGrammarFileName() { return "XML.g4"; }
+
+	@Override
+	public String[] getRuleNames() { return ruleNames; }
+
+	@Override
+	public String getSerializedATN() { return _serializedATN; }
+
+	@Override
+	public String[] getChannelNames() { return channelNames; }
+
+	@Override
+	public String[] getModeNames() { return modeNames; }
+
+	@Override
+	public ATN getATN() { return _ATN; }
+
+	public static final String _serializedATN =
+		"\u0004\u0000\tH\u0006\uffff\uffff\u0002\u0000\u0007\u0000\u0002\u0001"+
+		"\u0007\u0001\u0002\u0002\u0007\u0002\u0002\u0003\u0007\u0003\u0002\u0004"+
+		"\u0007\u0004\u0002\u0005\u0007\u0005\u0002\u0006\u0007\u0006\u0002\u0007"+
+		"\u0007\u0007\u0002\b\u0007\b\u0002\t\u0007\t\u0002\n\u0007\n\u0001\u0000"+
+		"\u0001\u0000\u0001\u0000\u0001\u0000\u0001\u0001\u0001\u0001\u0001\u0002"+
+		"\u0001\u0002\u0001\u0003\u0001\u0003\u0001\u0003\u0001\u0004\u0001\u0004"+
+		"\u0001\u0005\u0001\u0005\u0001\u0005\u0001\u0006\u0001\u0006\u0001\u0007"+
+		"\u0001\u0007\u0001\u0007\u0001\u0007\u0005\u0007.\b\u0007\n\u0007\f\u0007"+
+		"1\t\u0007\u0001\b\u0001\b\u0005\b5\b\b\n\b\f\b8\t\b\u0001\b\u0001\b\u0001"+
+		"\b\u0005\b=\b\b\n\b\f\b@\t\b\u0001\b\u0003\bC\b\b\u0001\t\u0001\t\u0001"+
+		"\n\u0001\n\u0000\u0000\u000b\u0001\u0001\u0003\u0002\u0005\u0003\u0007"+
+		"\u0004\t\u0005\u000b\u0006\r\u0007\u000f\b\u0011\t\u0013\u0000\u0015\u0000"+
+		"\u0001\u0000\u0006\u0003\u0000\t\n\r\r  \u0002\u0000-.__\u0001\u0000\""+
+		"\"\u0001\u0000\'\'\u0001\u000009\u0002\u0000AZazK\u0000\u0001\u0001\u0000"+
+		"\u0000\u0000\u0000\u0003\u0001\u0000\u0000\u0000\u0000\u0005\u0001\u0000"+
+		"\u0000\u0000\u0000\u0007\u0001\u0000\u0000\u0000\u0000\t\u0001\u0000\u0000"+
+		"\u0000\u0000\u000b\u0001\u0000\u0000\u0000\u0000\r\u0001\u0000\u0000\u0000"+
+		"\u0000\u000f\u0001\u0000\u0000\u0000\u0000\u0011\u0001\u0000\u0000\u0000"+
+		"\u0001\u0017\u0001\u0000\u0000\u0000\u0003\u001b\u0001\u0000\u0000\u0000"+
+		"\u0005\u001d\u0001\u0000\u0000\u0000\u0007\u001f\u0001\u0000\u0000\u0000"+
+		"\t\"\u0001\u0000\u0000\u0000\u000b$\u0001\u0000\u0000\u0000\r\'\u0001"+
+		"\u0000\u0000\u0000\u000f)\u0001\u0000\u0000\u0000\u0011B\u0001\u0000\u0000"+
+		"\u0000\u0013D\u0001\u0000\u0000\u0000\u0015F\u0001\u0000\u0000\u0000\u0017"+
+		"\u0018\u0003\u0005\u0002\u0000\u0018\u0019\u0003\u000f\u0007\u0000\u0019"+
+		"\u001a\u0003\u000b\u0005\u0000\u001a\u0002\u0001\u0000\u0000\u0000\u001b"+
+		"\u001c\u0007\u0000\u0000\u0000\u001c\u0004\u0001\u0000\u0000\u0000\u001d"+
+		"\u001e\u0005<\u0000\u0000\u001e\u0006\u0001\u0000\u0000\u0000\u001f \u0005"+
+		"<\u0000\u0000 !\u0005/\u0000\u0000!\b\u0001\u0000\u0000\u0000\"#\u0005"+
+		">\u0000\u0000#\n\u0001\u0000\u0000\u0000$%\u0005/\u0000\u0000%&\u0005"+
+		">\u0000\u0000&\f\u0001\u0000\u0000\u0000\'(\u0005=\u0000\u0000(\u000e"+
+		"\u0001\u0000\u0000\u0000)/\u0003\u0015\n\u0000*.\u0003\u0015\n\u0000+"+
+		".\u0003\u0013\t\u0000,.\u0007\u0001\u0000\u0000-*\u0001\u0000\u0000\u0000"+
+		"-+\u0001\u0000\u0000\u0000-,\u0001\u0000\u0000\u0000.1\u0001\u0000\u0000"+
+		"\u0000/-\u0001\u0000\u0000\u0000/0\u0001\u0000\u0000\u00000\u0010\u0001"+
+		"\u0000\u0000\u00001/\u0001\u0000\u0000\u000026\u0005\"\u0000\u000035\b"+
+		"\u0002\u0000\u000043\u0001\u0000\u0000\u000058\u0001\u0000\u0000\u0000"+
+		"64\u0001\u0000\u0000\u000067\u0001\u0000\u0000\u000079\u0001\u0000\u0000"+
+		"\u000086\u0001\u0000\u0000\u00009C\u0005\"\u0000\u0000:>\u0005\'\u0000"+
+		"\u0000;=\b\u0003\u0000\u0000<;\u0001\u0000\u0000\u0000=@\u0001\u0000\u0000"+
+		"\u0000><\u0001\u0000\u0000\u0000>?\u0001\u0000\u0000\u0000?A\u0001\u0000"+
+		"\u0000\u0000@>\u0001\u0000\u0000\u0000AC\u0005\'\u0000\u0000B2\u0001\u0000"+
+		"\u0000\u0000B:\u0001\u0000\u0000\u0000C\u0012\u0001\u0000\u0000\u0000"+
+		"DE\u0007\u0004\u0000\u0000E\u0014\u0001\u0000\u0000\u0000FG\u0007\u0005"+
+		"\u0000\u0000G\u0016\u0001\u0000\u0000\u0000\u0006\u0000-/6>B\u0000";
+	public static final ATN _ATN =
+		new ATNDeserializer().deserialize(_serializedATN.toCharArray());
+	static {
+		_decisionToDFA = new DFA[_ATN.getNumberOfDecisions()];
+		for (int i = 0; i < _ATN.getNumberOfDecisions(); i++) {
+			_decisionToDFA[i] = new DFA(_ATN.getDecisionState(i), i);
+		}
+	}
+}
\ No newline at end of file
diff --git a/src/main/java/controlP5/layout/lang/XMLLexer.tokens b/src/main/java/controlP5/layout/lang/XMLLexer.tokens
new file mode 100644
index 0000000..f1d8167
--- /dev/null
+++ b/src/main/java/controlP5/layout/lang/XMLLexer.tokens
@@ -0,0 +1,14 @@
+SELF_CLOSING=1
+SPACE=2
+OPEN=3
+OPEN_SLASH=4
+CLOSE=5
+SLASH_CLOSE=6
+EQUALS=7
+Name=8
+STRING=9
+'<'=3
+'</'=4
+'>'=5
+'/>'=6
+'='=7
diff --git a/src/main/java/controlP5/layout/lang/XMLListener.java b/src/main/java/controlP5/layout/lang/XMLListener.java
new file mode 100644
index 0000000..d045f82
--- /dev/null
+++ b/src/main/java/controlP5/layout/lang/XMLListener.java
@@ -0,0 +1,70 @@
+// Generated from XML.g4 by ANTLR 4.13.0
+package controlP5.layout.lang;
+import org.antlr.v4.runtime.tree.ParseTreeListener;
+
+/**
+ * This interface defines a complete listener for a parse tree produced by
+ * {@link XMLParser}.
+ */
+public interface XMLListener extends ParseTreeListener {
+	/**
+	 * Enter a parse tree produced by {@link XMLParser#document}.
+	 * @param ctx the parse tree
+	 */
+	void enterDocument(XMLParser.DocumentContext ctx);
+	/**
+	 * Exit a parse tree produced by {@link XMLParser#document}.
+	 * @param ctx the parse tree
+	 */
+	void exitDocument(XMLParser.DocumentContext ctx);
+	/**
+	 * Enter a parse tree produced by {@link XMLParser#element}.
+	 * @param ctx the parse tree
+	 */
+	void enterElement(XMLParser.ElementContext ctx);
+	/**
+	 * Exit a parse tree produced by {@link XMLParser#element}.
+	 * @param ctx the parse tree
+	 */
+	void exitElement(XMLParser.ElementContext ctx);
+	/**
+	 * Enter a parse tree produced by {@link XMLParser#startTag}.
+	 * @param ctx the parse tree
+	 */
+	void enterStartTag(XMLParser.StartTagContext ctx);
+	/**
+	 * Exit a parse tree produced by {@link XMLParser#startTag}.
+	 * @param ctx the parse tree
+	 */
+	void exitStartTag(XMLParser.StartTagContext ctx);
+	/**
+	 * Enter a parse tree produced by {@link XMLParser#endTag}.
+	 * @param ctx the parse tree
+	 */
+	void enterEndTag(XMLParser.EndTagContext ctx);
+	/**
+	 * Exit a parse tree produced by {@link XMLParser#endTag}.
+	 * @param ctx the parse tree
+	 */
+	void exitEndTag(XMLParser.EndTagContext ctx);
+	/**
+	 * Enter a parse tree produced by {@link XMLParser#attribute}.
+	 * @param ctx the parse tree
+	 */
+	void enterAttribute(XMLParser.AttributeContext ctx);
+	/**
+	 * Exit a parse tree produced by {@link XMLParser#attribute}.
+	 * @param ctx the parse tree
+	 */
+	void exitAttribute(XMLParser.AttributeContext ctx);
+	/**
+	 * Enter a parse tree produced by {@link XMLParser#content}.
+	 * @param ctx the parse tree
+	 */
+	void enterContent(XMLParser.ContentContext ctx);
+	/**
+	 * Exit a parse tree produced by {@link XMLParser#content}.
+	 * @param ctx the parse tree
+	 */
+	void exitContent(XMLParser.ContentContext ctx);
+}
\ No newline at end of file
diff --git a/src/main/java/controlP5/layout/lang/XMLParser.java b/src/main/java/controlP5/layout/lang/XMLParser.java
new file mode 100644
index 0000000..108f27e
--- /dev/null
+++ b/src/main/java/controlP5/layout/lang/XMLParser.java
@@ -0,0 +1,490 @@
+// Generated from XML.g4 by ANTLR 4.13.0
+package controlP5.layout.lang;
+import org.antlr.v4.runtime.atn.*;
+import org.antlr.v4.runtime.dfa.DFA;
+import org.antlr.v4.runtime.*;
+import org.antlr.v4.runtime.misc.*;
+import org.antlr.v4.runtime.tree.*;
+import java.util.List;
+import java.util.Iterator;
+import java.util.ArrayList;
+
+@SuppressWarnings({"all", "warnings", "unchecked", "unused", "cast", "CheckReturnValue"})
+public class XMLParser extends Parser {
+	static { RuntimeMetaData.checkVersion("4.13.0", RuntimeMetaData.VERSION); }
+
+	protected static final DFA[] _decisionToDFA;
+	protected static final PredictionContextCache _sharedContextCache =
+		new PredictionContextCache();
+	public static final int
+		SELF_CLOSING=1, SPACE=2, OPEN=3, OPEN_SLASH=4, CLOSE=5, SLASH_CLOSE=6, 
+		EQUALS=7, Name=8, STRING=9;
+	public static final int
+		RULE_document = 0, RULE_element = 1, RULE_startTag = 2, RULE_endTag = 3, 
+		RULE_attribute = 4, RULE_content = 5;
+	private static String[] makeRuleNames() {
+		return new String[] {
+			"document", "element", "startTag", "endTag", "attribute", "content"
+		};
+	}
+	public static final String[] ruleNames = makeRuleNames();
+
+	private static String[] makeLiteralNames() {
+		return new String[] {
+			null, null, null, "'<'", "'</'", "'>'", "'/>'", "'='"
+		};
+	}
+	private static final String[] _LITERAL_NAMES = makeLiteralNames();
+	private static String[] makeSymbolicNames() {
+		return new String[] {
+			null, "SELF_CLOSING", "SPACE", "OPEN", "OPEN_SLASH", "CLOSE", "SLASH_CLOSE", 
+			"EQUALS", "Name", "STRING"
+		};
+	}
+	private static final String[] _SYMBOLIC_NAMES = makeSymbolicNames();
+	public static final Vocabulary VOCABULARY = new VocabularyImpl(_LITERAL_NAMES, _SYMBOLIC_NAMES);
+
+	/**
+	 * @deprecated Use {@link #VOCABULARY} instead.
+	 */
+	@Deprecated
+	public static final String[] tokenNames;
+	static {
+		tokenNames = new String[_SYMBOLIC_NAMES.length];
+		for (int i = 0; i < tokenNames.length; i++) {
+			tokenNames[i] = VOCABULARY.getLiteralName(i);
+			if (tokenNames[i] == null) {
+				tokenNames[i] = VOCABULARY.getSymbolicName(i);
+			}
+
+			if (tokenNames[i] == null) {
+				tokenNames[i] = "<INVALID>";
+			}
+		}
+	}
+
+	@Override
+	@Deprecated
+	public String[] getTokenNames() {
+		return tokenNames;
+	}
+
+	@Override
+
+	public Vocabulary getVocabulary() {
+		return VOCABULARY;
+	}
+
+	@Override
+	public String getGrammarFileName() { return "XML.g4"; }
+
+	@Override
+	public String[] getRuleNames() { return ruleNames; }
+
+	@Override
+	public String getSerializedATN() { return _serializedATN; }
+
+	@Override
+	public ATN getATN() { return _ATN; }
+
+	public XMLParser(TokenStream input) {
+		super(input);
+		_interp = new ParserATNSimulator(this,_ATN,_decisionToDFA,_sharedContextCache);
+	}
+
+	@SuppressWarnings("CheckReturnValue")
+	public static class DocumentContext extends ParserRuleContext {
+		public ElementContext element() {
+			return getRuleContext(ElementContext.class,0);
+		}
+		public TerminalNode EOF() { return getToken(XMLParser.EOF, 0); }
+		public DocumentContext(ParserRuleContext parent, int invokingState) {
+			super(parent, invokingState);
+		}
+		@Override public int getRuleIndex() { return RULE_document; }
+		@Override
+		public void enterRule(ParseTreeListener listener) {
+			if ( listener instanceof XMLListener ) ((XMLListener)listener).enterDocument(this);
+		}
+		@Override
+		public void exitRule(ParseTreeListener listener) {
+			if ( listener instanceof XMLListener ) ((XMLListener)listener).exitDocument(this);
+		}
+	}
+
+	public final DocumentContext document() throws RecognitionException {
+		DocumentContext _localctx = new DocumentContext(_ctx, getState());
+		enterRule(_localctx, 0, RULE_document);
+		try {
+			enterOuterAlt(_localctx, 1);
+			{
+			setState(12);
+			element();
+			setState(13);
+			match(EOF);
+			}
+		}
+		catch (RecognitionException re) {
+			_localctx.exception = re;
+			_errHandler.reportError(this, re);
+			_errHandler.recover(this, re);
+		}
+		finally {
+			exitRule();
+		}
+		return _localctx;
+	}
+
+	@SuppressWarnings("CheckReturnValue")
+	public static class ElementContext extends ParserRuleContext {
+		public StartTagContext startTag() {
+			return getRuleContext(StartTagContext.class,0);
+		}
+		public EndTagContext endTag() {
+			return getRuleContext(EndTagContext.class,0);
+		}
+		public List<ContentContext> content() {
+			return getRuleContexts(ContentContext.class);
+		}
+		public ContentContext content(int i) {
+			return getRuleContext(ContentContext.class,i);
+		}
+		public List<TerminalNode> SPACE() { return getTokens(XMLParser.SPACE); }
+		public TerminalNode SPACE(int i) {
+			return getToken(XMLParser.SPACE, i);
+		}
+		public TerminalNode SELF_CLOSING() { return getToken(XMLParser.SELF_CLOSING, 0); }
+		public ElementContext(ParserRuleContext parent, int invokingState) {
+			super(parent, invokingState);
+		}
+		@Override public int getRuleIndex() { return RULE_element; }
+		@Override
+		public void enterRule(ParseTreeListener listener) {
+			if ( listener instanceof XMLListener ) ((XMLListener)listener).enterElement(this);
+		}
+		@Override
+		public void exitRule(ParseTreeListener listener) {
+			if ( listener instanceof XMLListener ) ((XMLListener)listener).exitElement(this);
+		}
+	}
+
+	public final ElementContext element() throws RecognitionException {
+		ElementContext _localctx = new ElementContext(_ctx, getState());
+		enterRule(_localctx, 2, RULE_element);
+		int _la;
+		try {
+			setState(26);
+			_errHandler.sync(this);
+			switch (_input.LA(1)) {
+			case OPEN:
+				enterOuterAlt(_localctx, 1);
+				{
+				setState(15);
+				startTag();
+				setState(20);
+				_errHandler.sync(this);
+				_la = _input.LA(1);
+				while ((((_la) & ~0x3f) == 0 && ((1L << _la) & 526L) != 0)) {
+					{
+					setState(18);
+					_errHandler.sync(this);
+					switch (_input.LA(1)) {
+					case SELF_CLOSING:
+					case OPEN:
+					case STRING:
+						{
+						setState(16);
+						content();
+						}
+						break;
+					case SPACE:
+						{
+						setState(17);
+						match(SPACE);
+						}
+						break;
+					default:
+						throw new NoViableAltException(this);
+					}
+					}
+					setState(22);
+					_errHandler.sync(this);
+					_la = _input.LA(1);
+				}
+				setState(23);
+				endTag();
+				}
+				break;
+			case SELF_CLOSING:
+				enterOuterAlt(_localctx, 2);
+				{
+				setState(25);
+				match(SELF_CLOSING);
+				}
+				break;
+			default:
+				throw new NoViableAltException(this);
+			}
+		}
+		catch (RecognitionException re) {
+			_localctx.exception = re;
+			_errHandler.reportError(this, re);
+			_errHandler.recover(this, re);
+		}
+		finally {
+			exitRule();
+		}
+		return _localctx;
+	}
+
+	@SuppressWarnings("CheckReturnValue")
+	public static class StartTagContext extends ParserRuleContext {
+		public TerminalNode OPEN() { return getToken(XMLParser.OPEN, 0); }
+		public TerminalNode Name() { return getToken(XMLParser.Name, 0); }
+		public TerminalNode CLOSE() { return getToken(XMLParser.CLOSE, 0); }
+		public List<AttributeContext> attribute() {
+			return getRuleContexts(AttributeContext.class);
+		}
+		public AttributeContext attribute(int i) {
+			return getRuleContext(AttributeContext.class,i);
+		}
+		public StartTagContext(ParserRuleContext parent, int invokingState) {
+			super(parent, invokingState);
+		}
+		@Override public int getRuleIndex() { return RULE_startTag; }
+		@Override
+		public void enterRule(ParseTreeListener listener) {
+			if ( listener instanceof XMLListener ) ((XMLListener)listener).enterStartTag(this);
+		}
+		@Override
+		public void exitRule(ParseTreeListener listener) {
+			if ( listener instanceof XMLListener ) ((XMLListener)listener).exitStartTag(this);
+		}
+	}
+
+	public final StartTagContext startTag() throws RecognitionException {
+		StartTagContext _localctx = new StartTagContext(_ctx, getState());
+		enterRule(_localctx, 4, RULE_startTag);
+		int _la;
+		try {
+			enterOuterAlt(_localctx, 1);
+			{
+			setState(28);
+			match(OPEN);
+			setState(29);
+			match(Name);
+			setState(33);
+			_errHandler.sync(this);
+			_la = _input.LA(1);
+			while (_la==Name) {
+				{
+				{
+				setState(30);
+				attribute();
+				}
+				}
+				setState(35);
+				_errHandler.sync(this);
+				_la = _input.LA(1);
+			}
+			setState(36);
+			match(CLOSE);
+			}
+		}
+		catch (RecognitionException re) {
+			_localctx.exception = re;
+			_errHandler.reportError(this, re);
+			_errHandler.recover(this, re);
+		}
+		finally {
+			exitRule();
+		}
+		return _localctx;
+	}
+
+	@SuppressWarnings("CheckReturnValue")
+	public static class EndTagContext extends ParserRuleContext {
+		public TerminalNode OPEN_SLASH() { return getToken(XMLParser.OPEN_SLASH, 0); }
+		public TerminalNode Name() { return getToken(XMLParser.Name, 0); }
+		public TerminalNode CLOSE() { return getToken(XMLParser.CLOSE, 0); }
+		public EndTagContext(ParserRuleContext parent, int invokingState) {
+			super(parent, invokingState);
+		}
+		@Override public int getRuleIndex() { return RULE_endTag; }
+		@Override
+		public void enterRule(ParseTreeListener listener) {
+			if ( listener instanceof XMLListener ) ((XMLListener)listener).enterEndTag(this);
+		}
+		@Override
+		public void exitRule(ParseTreeListener listener) {
+			if ( listener instanceof XMLListener ) ((XMLListener)listener).exitEndTag(this);
+		}
+	}
+
+	public final EndTagContext endTag() throws RecognitionException {
+		EndTagContext _localctx = new EndTagContext(_ctx, getState());
+		enterRule(_localctx, 6, RULE_endTag);
+		try {
+			enterOuterAlt(_localctx, 1);
+			{
+			setState(38);
+			match(OPEN_SLASH);
+			setState(39);
+			match(Name);
+			setState(40);
+			match(CLOSE);
+			}
+		}
+		catch (RecognitionException re) {
+			_localctx.exception = re;
+			_errHandler.reportError(this, re);
+			_errHandler.recover(this, re);
+		}
+		finally {
+			exitRule();
+		}
+		return _localctx;
+	}
+
+	@SuppressWarnings("CheckReturnValue")
+	public static class AttributeContext extends ParserRuleContext {
+		public TerminalNode Name() { return getToken(XMLParser.Name, 0); }
+		public TerminalNode EQUALS() { return getToken(XMLParser.EQUALS, 0); }
+		public TerminalNode STRING() { return getToken(XMLParser.STRING, 0); }
+		public AttributeContext(ParserRuleContext parent, int invokingState) {
+			super(parent, invokingState);
+		}
+		@Override public int getRuleIndex() { return RULE_attribute; }
+		@Override
+		public void enterRule(ParseTreeListener listener) {
+			if ( listener instanceof XMLListener ) ((XMLListener)listener).enterAttribute(this);
+		}
+		@Override
+		public void exitRule(ParseTreeListener listener) {
+			if ( listener instanceof XMLListener ) ((XMLListener)listener).exitAttribute(this);
+		}
+	}
+
+	public final AttributeContext attribute() throws RecognitionException {
+		AttributeContext _localctx = new AttributeContext(_ctx, getState());
+		enterRule(_localctx, 8, RULE_attribute);
+		try {
+			enterOuterAlt(_localctx, 1);
+			{
+			setState(42);
+			match(Name);
+			setState(43);
+			match(EQUALS);
+			setState(44);
+			match(STRING);
+			}
+		}
+		catch (RecognitionException re) {
+			_localctx.exception = re;
+			_errHandler.reportError(this, re);
+			_errHandler.recover(this, re);
+		}
+		finally {
+			exitRule();
+		}
+		return _localctx;
+	}
+
+	@SuppressWarnings("CheckReturnValue")
+	public static class ContentContext extends ParserRuleContext {
+		public ElementContext element() {
+			return getRuleContext(ElementContext.class,0);
+		}
+		public TerminalNode STRING() { return getToken(XMLParser.STRING, 0); }
+		public ContentContext(ParserRuleContext parent, int invokingState) {
+			super(parent, invokingState);
+		}
+		@Override public int getRuleIndex() { return RULE_content; }
+		@Override
+		public void enterRule(ParseTreeListener listener) {
+			if ( listener instanceof XMLListener ) ((XMLListener)listener).enterContent(this);
+		}
+		@Override
+		public void exitRule(ParseTreeListener listener) {
+			if ( listener instanceof XMLListener ) ((XMLListener)listener).exitContent(this);
+		}
+	}
+
+	public final ContentContext content() throws RecognitionException {
+		ContentContext _localctx = new ContentContext(_ctx, getState());
+		enterRule(_localctx, 10, RULE_content);
+		try {
+			setState(48);
+			_errHandler.sync(this);
+			switch (_input.LA(1)) {
+			case SELF_CLOSING:
+			case OPEN:
+				enterOuterAlt(_localctx, 1);
+				{
+				setState(46);
+				element();
+				}
+				break;
+			case STRING:
+				enterOuterAlt(_localctx, 2);
+				{
+				setState(47);
+				match(STRING);
+				}
+				break;
+			default:
+				throw new NoViableAltException(this);
+			}
+		}
+		catch (RecognitionException re) {
+			_localctx.exception = re;
+			_errHandler.reportError(this, re);
+			_errHandler.recover(this, re);
+		}
+		finally {
+			exitRule();
+		}
+		return _localctx;
+	}
+
+	public static final String _serializedATN =
+		"\u0004\u0001\t3\u0002\u0000\u0007\u0000\u0002\u0001\u0007\u0001\u0002"+
+		"\u0002\u0007\u0002\u0002\u0003\u0007\u0003\u0002\u0004\u0007\u0004\u0002"+
+		"\u0005\u0007\u0005\u0001\u0000\u0001\u0000\u0001\u0000\u0001\u0001\u0001"+
+		"\u0001\u0001\u0001\u0005\u0001\u0013\b\u0001\n\u0001\f\u0001\u0016\t\u0001"+
+		"\u0001\u0001\u0001\u0001\u0001\u0001\u0003\u0001\u001b\b\u0001\u0001\u0002"+
+		"\u0001\u0002\u0001\u0002\u0005\u0002 \b\u0002\n\u0002\f\u0002#\t\u0002"+
+		"\u0001\u0002\u0001\u0002\u0001\u0003\u0001\u0003\u0001\u0003\u0001\u0003"+
+		"\u0001\u0004\u0001\u0004\u0001\u0004\u0001\u0004\u0001\u0005\u0001\u0005"+
+		"\u0003\u00051\b\u0005\u0001\u0005\u0000\u0000\u0006\u0000\u0002\u0004"+
+		"\u0006\b\n\u0000\u00001\u0000\f\u0001\u0000\u0000\u0000\u0002\u001a\u0001"+
+		"\u0000\u0000\u0000\u0004\u001c\u0001\u0000\u0000\u0000\u0006&\u0001\u0000"+
+		"\u0000\u0000\b*\u0001\u0000\u0000\u0000\n0\u0001\u0000\u0000\u0000\f\r"+
+		"\u0003\u0002\u0001\u0000\r\u000e\u0005\u0000\u0000\u0001\u000e\u0001\u0001"+
+		"\u0000\u0000\u0000\u000f\u0014\u0003\u0004\u0002\u0000\u0010\u0013\u0003"+
+		"\n\u0005\u0000\u0011\u0013\u0005\u0002\u0000\u0000\u0012\u0010\u0001\u0000"+
+		"\u0000\u0000\u0012\u0011\u0001\u0000\u0000\u0000\u0013\u0016\u0001\u0000"+
+		"\u0000\u0000\u0014\u0012\u0001\u0000\u0000\u0000\u0014\u0015\u0001\u0000"+
+		"\u0000\u0000\u0015\u0017\u0001\u0000\u0000\u0000\u0016\u0014\u0001\u0000"+
+		"\u0000\u0000\u0017\u0018\u0003\u0006\u0003\u0000\u0018\u001b\u0001\u0000"+
+		"\u0000\u0000\u0019\u001b\u0005\u0001\u0000\u0000\u001a\u000f\u0001\u0000"+
+		"\u0000\u0000\u001a\u0019\u0001\u0000\u0000\u0000\u001b\u0003\u0001\u0000"+
+		"\u0000\u0000\u001c\u001d\u0005\u0003\u0000\u0000\u001d!\u0005\b\u0000"+
+		"\u0000\u001e \u0003\b\u0004\u0000\u001f\u001e\u0001\u0000\u0000\u0000"+
+		" #\u0001\u0000\u0000\u0000!\u001f\u0001\u0000\u0000\u0000!\"\u0001\u0000"+
+		"\u0000\u0000\"$\u0001\u0000\u0000\u0000#!\u0001\u0000\u0000\u0000$%\u0005"+
+		"\u0005\u0000\u0000%\u0005\u0001\u0000\u0000\u0000&\'\u0005\u0004\u0000"+
+		"\u0000\'(\u0005\b\u0000\u0000()\u0005\u0005\u0000\u0000)\u0007\u0001\u0000"+
+		"\u0000\u0000*+\u0005\b\u0000\u0000+,\u0005\u0007\u0000\u0000,-\u0005\t"+
+		"\u0000\u0000-\t\u0001\u0000\u0000\u0000.1\u0003\u0002\u0001\u0000/1\u0005"+
+		"\t\u0000\u00000.\u0001\u0000\u0000\u00000/\u0001\u0000\u0000\u00001\u000b"+
+		"\u0001\u0000\u0000\u0000\u0005\u0012\u0014\u001a!0";
+	public static final ATN _ATN =
+		new ATNDeserializer().deserialize(_serializedATN.toCharArray());
+	static {
+		_decisionToDFA = new DFA[_ATN.getNumberOfDecisions()];
+		for (int i = 0; i < _ATN.getNumberOfDecisions(); i++) {
+			_decisionToDFA[i] = new DFA(_ATN.getDecisionState(i), i);
+		}
+	}
+}
\ No newline at end of file