Fix style issues and DisplayPositionned typo

src/net/sourceforge/plantuml/AbstractPSystem.java

@@ -50,6 +50,7 @@ import net.sourceforge.plantuml.core.ImageData;
 import net.sourceforge.plantuml.core.UmlSource;
 import net.sourceforge.plantuml.cucadiagram.Display;
 import net.sourceforge.plantuml.cucadiagram.DisplayPositioned;
+import net.sourceforge.plantuml.cucadiagram.DisplayPositionned;
 import net.sourceforge.plantuml.graphic.HorizontalAlignment;
 import net.sourceforge.plantuml.graphic.VerticalAlignment;
 import net.sourceforge.plantuml.stats.StatsUtilsIncrement;
@@ -128,7 +129,7 @@ public abstract class AbstractPSystem implements Diagram {
 		this.splitPagesVertical = splitPagesVertical;
 	}
 
-	public DisplayPositioned getTitle() {
+	public DisplayPositionned getTitle() {
 		if (source == null) {
 			return DisplayPositioned.single(Display.empty(), HorizontalAlignment.CENTER, VerticalAlignment.TOP);
 		}

src/net/sourceforge/plantuml/Annotated.java

@@ -37,11 +37,12 @@ package net.sourceforge.plantuml;
 
 import net.sourceforge.plantuml.cucadiagram.Display;
 import net.sourceforge.plantuml.cucadiagram.DisplayPositioned;
+import net.sourceforge.plantuml.cucadiagram.DisplayPositionned;
 import net.sourceforge.plantuml.cucadiagram.DisplaySection;
 
 public interface Annotated {
 
-	public DisplayPositioned getTitle();
+	public DisplayPositionned getTitle();
 
 	public DisplayPositioned getCaption();
 

src/net/sourceforge/plantuml/AnnotatedWorker.java

@@ -179,7 +179,7 @@ public class AnnotatedWorker {
 	}
 
 	private TextBlock addTitle(TextBlock original) {
-		final DisplayPositioned title = annotated.getTitle();
+		final DisplayPositioned title = (DisplayPositioned) annotated.getTitle();
 		if (title.isNull()) {
 			return original;
 		}

src/net/sourceforge/plantuml/TitledDiagram.java

@@ -44,6 +44,7 @@ import net.sourceforge.plantuml.core.Diagram;
 import net.sourceforge.plantuml.core.UmlSource;
 import net.sourceforge.plantuml.cucadiagram.Display;
 import net.sourceforge.plantuml.cucadiagram.DisplayPositioned;
+import net.sourceforge.plantuml.cucadiagram.DisplayPositionned;
 import net.sourceforge.plantuml.cucadiagram.DisplaySection;
 import net.sourceforge.plantuml.graphic.HorizontalAlignment;
 import net.sourceforge.plantuml.graphic.VerticalAlignment;
@@ -172,7 +173,7 @@ public abstract class TitledDiagram extends AbstractPSystem implements Diagram,
 	}
 
 	@Override
-	final public DisplayPositioned getTitle() {
+	final public DisplayPositionned getTitle() {
 		return title;
 	}
 

src/net/sourceforge/plantuml/cucadiagram/DisplayPositionned.java

@@ -37,9 +37,10 @@ package net.sourceforge.plantuml.cucadiagram;
 
 /**
  * 
- * There is a type in this class name.
+ * There is a typo in this class name.
  * 
- * You should use directly DisplayPositioned and not this interface which is here for legacy code
+ * You should use directly DisplayPositioned and not this interface which is here for legacy code.
+ * This file will be removed, so use DisplayPositioned instead.
  * 
  */
 @Deprecated
@@ -47,4 +48,7 @@ public interface DisplayPositionned {
 
 	public Display getDisplay();
 	
+	public boolean isNull();
+
+
 }

src/net/sourceforge/plantuml/project/draw/AbstractTaskDraw.java

@@ -101,7 +101,7 @@ public abstract class AbstractTaskDraw implements TaskDraw {
 	abstract StyleSignature getStyleSignature();
 
 	private StyleSignature getStyleSignatureUnstarted() {
-		return StyleSignature.of(SName.root, SName.element, SName.ganttDiagram, SName.unstartedTask);
+		return StyleSignature.of(SName.root, SName.element, SName.ganttDiagram, SName.task, SName.unstarted);
 	}
 
 	final protected HColor getLineColor() {

src/net/sourceforge/plantuml/style/Context.java

@@ -0,0 +1,99 @@
+/* ========================================================================
+ * PlantUML : a free UML diagram generator
+ * ========================================================================
+ *
+ * (C) Copyright 2009-2020, Arnaud Roques
+ *
+ * Project Info:  http://plantuml.com
+ * 
+ * If you like this project or if you find it useful, you can support us at:
+ * 
+ * http://plantuml.com/patreon (only 1$ per month!)
+ * http://plantuml.com/paypal
+ * 
+ * This file is part of PlantUML.
+ *
+ * PlantUML is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * PlantUML distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
+ * License for more details.
+ *
+ * You should have received a copy of the GNU General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301,
+ * USA.
+ *
+ *
+ * Original Author:  Arnaud Roques
+ *
+ *
+ */
+package net.sourceforge.plantuml.style;
+
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.Collections;
+import java.util.Iterator;
+import java.util.List;
+import java.util.ListIterator;
+
+class Context {
+
+	private final List<String> data = new ArrayList<String>();
+
+	public Context push(String newString) {
+		final Context result = new Context();
+		result.data.addAll(this.data);
+		result.data.add(newString);
+		return result;
+	}
+
+	public Context pop() {
+		if (size() == 0)
+			throw new IllegalStateException();
+		final Context result = new Context();
+		result.data.addAll(this.data.subList(0, this.data.size() - 1));
+		return result;
+	}
+
+	@Override
+	public String toString() {
+		return data.toString();
+	}
+
+	public int size() {
+		return data.size();
+	}
+
+	public Collection<StyleSignature> toSignatures() {
+		List<StyleSignature> results = new ArrayList<>(Collections.singletonList(StyleSignature.empty()));
+		boolean star = false;
+		for (Iterator<String> it = data.iterator(); it.hasNext();) {
+			String s = it.next();
+			if (s.endsWith("*")) {
+				star = true;
+				s = s.substring(0, s.length() - 1);
+			}
+			final String[] names = s.split(",");
+			final List<StyleSignature> tmp = new ArrayList<>();
+			for (StyleSignature ss : results)
+				for (String name : names)
+					tmp.add(ss.add(name));
+			results = tmp;
+		}
+
+		if (star)
+			for (ListIterator<StyleSignature> it = results.listIterator(); it.hasNext();) {
+				final StyleSignature tmp = it.next().addStar();
+				it.set(tmp);
+			}
+
+		return Collections.unmodifiableCollection(results);
+	}
+
+}

src/net/sourceforge/plantuml/style/SName.java

@@ -118,7 +118,7 @@ public enum SName {
 	timeline, //
 	timingDiagram, //
 	title, //
-	unstartedTask, //
+	unstarted, //
 	usecase, //
 	wbsDiagram, //
 	yamlDiagram; //

src/net/sourceforge/plantuml/style/StyleLoader.java

@@ -41,7 +41,6 @@ import java.util.ArrayList;
 import java.util.Collection;
 import java.util.Collections;
 import java.util.EnumMap;
-import java.util.Iterator;
 import java.util.List;
 import java.util.Map;
 
@@ -105,8 +104,8 @@ public class StyleLoader {
 		}
 	}
 
-	private static final String NAME_USER = "[\\w()]+?";
-	private final static Pattern2 userName = MyPattern.cmpile("^[.:]?(" + NAME_USER + ")([%s]+\\*)?[%s]*\\{$");
+	private final static String KEYNAMES = "[\\w(), ]+?";
+	private final static Pattern2 keyName = MyPattern.cmpile("^[.:]?(" + KEYNAMES + ")([%s]+\\*)?[%s]*\\{$");
 	private final static Pattern2 propertyAndValue = MyPattern.cmpile("^([\\w]+):?[%s]+(.*?);?$");
 	private final static Pattern2 closeBracket = MyPattern.cmpile("^\\}$");
 
@@ -114,7 +113,7 @@ public class StyleLoader {
 		lines = lines.eventuallyMoveAllEmptyBracket();
 		final List<Style> result = new ArrayList<>();
 
-		final List<String> context = new ArrayList<>();
+		Context context = new Context();
 		final List<Map<PName, Value>> maps = new ArrayList<Map<PName, Value>>();
 		boolean inComment = false;
 		for (StringLocated s : lines) {
@@ -134,14 +133,14 @@ public class StyleLoader {
 			if (x != -1) {
 				trimmed = trimmed.substring(0, x).trim();
 			}
-			final Matcher2 mUserName = userName.matcher(trimmed);
-			if (mUserName.find()) {
-				String n = mUserName.group(1);
-				final boolean isRecurse = mUserName.group(2) != null;
+			final Matcher2 mKeyNames = keyName.matcher(trimmed);
+			if (mKeyNames.find()) {
+				String names = mKeyNames.group(1).replace(" ", "");
+				final boolean isRecurse = mKeyNames.group(2) != null;
 				if (isRecurse) {
-					n += "*";
+					names += "*";
 				}
-				context.add(n);
+				context = context.push(names);
 				maps.add(new EnumMap<PName, Value>(PName.class));
 				continue;
 			}
@@ -157,10 +156,12 @@ public class StyleLoader {
 			final Matcher2 mCloseBracket = closeBracket.matcher(trimmed);
 			if (mCloseBracket.find()) {
 				if (context.size() > 0) {
-					final StyleSignature signature = contextToSignature(context);
+					final Collection<StyleSignature> signatures = context.toSignatures();
+					for (StyleSignature signature : signatures) {
 						final Style style = new Style(signature, maps.get(maps.size() - 1));
 						result.add(style);
-					context.remove(context.size() - 1);
+					}
+					context = context.pop();
 					maps.remove(maps.size() - 1);
 				}
 			}
@@ -170,21 +171,4 @@ public class StyleLoader {
 
 	}
 
-	private static StyleSignature contextToSignature(List<String> context) {
-		StyleSignature result = StyleSignature.empty();
-		boolean star = false;
-		for (Iterator<String> it = context.iterator(); it.hasNext();) {
-			String s = it.next();
-			if (s.endsWith("*")) {
-				star = true;
-				s = s.substring(0, s.length() - 1);
-			}
-			result = result.add(s);
-		}
-		if (star) {
-			result = result.addStar();
-		}
-		return result;
-	}
-
 }

src/net/sourceforge/plantuml/version/Version.java

@@ -80,7 +80,7 @@ public class Version {
 	}
 
 	public static int beta() {
-		final int beta = 5;
+		final int beta = 6;
 		return beta;
 	}