mirror of https://github.com/octoleo/plantuml.git
122 lines
3.5 KiB
Java
122 lines
3.5 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 2009-2020, Arnaud Roques
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*
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* Project Info: http://plantuml.com
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*
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* If you like this project or if you find it useful, you can support us at:
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*
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* http://plantuml.com/patreon (only 1$ per month!)
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* http://plantuml.com/paypal
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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 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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*
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* Original Author: Arnaud Roques
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*
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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.io.StringReader;
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import net.sourceforge.plantuml.StringLocated;
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import net.sourceforge.plantuml.StringUtils;
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import net.sourceforge.plantuml.command.regex.Matcher2;
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import net.sourceforge.plantuml.command.regex.MyPattern;
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import net.sourceforge.plantuml.command.regex.Pattern2;
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import net.sourceforge.plantuml.preproc.ReadLine;
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import net.sourceforge.plantuml.preproc.ReadLineReader;
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import net.sourceforge.plantuml.preproc.UncommentReadLine;
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public class ArobaseStringCompressor implements StringCompressor {
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private final static Pattern2 p = MyPattern.cmpile("(?s)(?i)^[%s]*(@startuml[^\\n\\r]*)?[%s]*(.*?)[%s]*(@enduml)?[%s]*$");
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public String compress(final String data) throws IOException {
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final ReadLine r = new UncommentReadLine(ReadLineReader.create(new StringReader(data), "COMPRESS"));
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final StringBuilder sb = new StringBuilder();
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final StringBuilder full = new StringBuilder();
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StringLocated s = null;
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boolean startDone = false;
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while ((s = r.readLine()) != null) {
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append(full, s);
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if (s.getString().startsWith("@startuml")) {
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startDone = true;
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} else if (s.getString().startsWith("@enduml")) {
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return sb.toString();
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} else if (startDone) {
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append(sb, s);
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}
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}
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if (startDone == false) {
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return compressOld(full.toString());
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}
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return sb.toString();
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}
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private void append(final StringBuilder sb, StringLocated s) {
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if (sb.length() > 0) {
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sb.append('\n');
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}
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sb.append(s.getString());
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}
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private String compressOld(String s) throws IOException {
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final Matcher2 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) {
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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.replace("\0", "");
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s = StringUtils.trin(s);
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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 = StringUtils.trin(s);
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return s;
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}
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private String clean1(String s) {
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final Matcher2 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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} |