mirror of
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82 lines
2.3 KiB
Java
82 lines
2.3 KiB
Java
/* ========================================================================
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* PlantUML : a free UML diagram generator
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* ========================================================================
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*
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* (C) Copyright 2009, Arnaud Roques
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*
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* Project Info: http://plantuml.sourceforge.net
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*
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* This file is part of PlantUML.
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*
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* PlantUML is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* PlantUML distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
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* License for more details.
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*
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* You should have received a copy of the GNU General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
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* USA.
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*
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* [Java is a trademark or registered trademark of Sun Microsystems, Inc.
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* in the United States and other countries.]
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*
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* Original Author: Arnaud Roques
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*
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* Revision $Revision: 6362 $
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*
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*/
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package net.sourceforge.plantuml.code;
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import java.io.IOException;
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import java.util.regex.Matcher;
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import java.util.regex.Pattern;
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public class ArobaseStringCompressor implements StringCompressor {
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private final static Pattern p = Pattern.compile("(?s)(?i)^\\s*(@startuml[^\\n\\r]*)?\\s*(.*?)\\s*(@enduml)?\\s*$");
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public String compress(String s) throws IOException {
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final Matcher m = p.matcher(s);
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if (m.find()) {
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return clean(m.group(2));
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}
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return "";
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}
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public String decompress(String s) throws IOException {
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String result = clean(s);
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if (result.startsWith("@start")) {
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return result;
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}
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result = "@startuml\n" + result;
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if (result.endsWith("\n") == false) {
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result += "\n";
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}
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result += "@enduml";
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return result;
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}
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private String clean(String s) {
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s = s.trim();
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s = clean1(s);
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s = s.replaceAll("@enduml[^\\n\\r]*", "");
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s = s.replaceAll("@startuml[^\\n\\r]*", "");
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s = s.trim();
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return s;
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}
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private String clean1(String s) {
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final Matcher m = p.matcher(s);
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if (m.matches()) {
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return m.group(2);
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}
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return s;
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}
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} |