plantuml/src/net/sourceforge/plantuml/preproc/ReadLineQuoteComment.java

87 lines
2.4 KiB
Java

/* ========================================================================
* PlantUML : a free UML diagram generator
* ========================================================================
*
* (C) Copyright 2009-2017, 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.preproc;
import java.io.IOException;
import net.sourceforge.plantuml.CharSequence2;
import net.sourceforge.plantuml.CharSequence2Impl;
public class ReadLineQuoteComment extends ReadLineInstrumented implements ReadLine {
private final ReadLine raw;
private boolean longComment = false;
public ReadLineQuoteComment(ReadLine source) {
this.raw = source;
}
@Override
void closeInst() throws IOException {
raw.close();
}
@Override
CharSequence2 readLineInst() throws IOException {
while (true) {
final CharSequence2 result = raw.readLine();
if (result == null) {
return null;
}
final String trim = result.toString().replace('\t', ' ').trim();
if (this.longComment && trim.endsWith("'/")) {
this.longComment = false;
continue;
}
if (this.longComment) {
continue;
}
if (trim.startsWith("'")) {
continue;
}
if (trim.startsWith("/'") && trim.endsWith("'/")) {
continue;
}
if (trim.startsWith("/'") && trim.contains("'/") == false) {
this.longComment = true;
continue;
}
return ((CharSequence2Impl) result).removeInnerComment();
}
}
}