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PlantUML is a component that allows to quickly write :
* sequence diagram,
* use case diagram,
* class diagram,
* activity diagram,
* component diagram,
* state diagram
* object diagram
/* ========================================================================
* PlantUML : a free UML diagram generator
* ========================================================================
*
* (C) Copyright 2009-2013, Arnaud Roques
*
* Project Info: http://plantuml.sourceforge.net
*
* 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.
*
* [Java is a trademark or registered trademark of Sun Microsystems, Inc.
* in the United States and other countries.]
*
* Original Author: Arnaud Roques
*
* Revision $Revision: 3835 $
*
*/
package net.sourceforge.plantuml.salt.factory;
import net.sourceforge.plantuml.salt.DataSource;
import net.sourceforge.plantuml.salt.Dictionary;
import net.sourceforge.plantuml.salt.Positionner2;
import net.sourceforge.plantuml.salt.Terminated;
import net.sourceforge.plantuml.salt.element.Element;
import net.sourceforge.plantuml.salt.element.ElementPyramid2;
import net.sourceforge.plantuml.salt.element.ElementText;
import net.sourceforge.plantuml.salt.element.TableStrategy;
public class ElementFactoryPyramid2 extends AbstractElementFactoryComplex {
public ElementFactoryPyramid2(DataSource dataSource, Dictionary dictionary) {
super(dataSource, dictionary);
}
public Terminated create() {
if (ready() == false) {
throw new IllegalStateException();
}
final String header = getDataSource().next().getElement();
assert header.startsWith("{");
TableStrategy strategy = TableStrategy.DRAW_NONE;
if (header.length() == 2) {
strategy = TableStrategy.fromChar(header.charAt(1));
}
final Positionner2 positionner = new Positionner2();
while (getDataSource().peek(0).getElement().equals("}") == false) {
final Terminated next = getNextElement();
if (isStar(next.getElement())) {
positionner.mergeLeft(next.getTerminator());
} else {
positionner.add(next);
}
}
final Terminated next = getDataSource().next();
return new Terminated(new ElementPyramid2(positionner, strategy), next.getTerminator());
}
private boolean isStar(Element element) {
if (element instanceof ElementText == false) {
return false;
}
return "*".equals(((ElementText) element).getText());
}
public boolean ready() {
final String text = getDataSource().peek(0).getElement();
if (text.equals("{") || text.equals("{+") || text.equals("{#") || text.equals("{!") || text.equals("{-")) {
final String text1 = getDataSource().peek(1).getElement();
if (text1.matches("[NSEW]=|T")) {
return false;
}
return true;
}
return false;
}
}