/**
* Copyright (C) 2001-2017 by RapidMiner and the contributors
*
* Complete list of developers available at our web site:
*
* http://rapidminer.com
*
* This program is free software: you can redistribute it and/or modify it under the terms of the
* GNU Affero General Public License as published by the Free Software Foundation, either version 3
* of the License, or (at your option) any later version.
*
* This program is 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
* Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License along with this program.
* If not, see http://www.gnu.org/licenses/.
*/
package com.rapidminer.gui.tools.syntax;
/*
* PatchTokenMarker.java - DIFF patch token marker Copyright (C) 1999 Slava Pestov
*
* You may use and modify this package for any purpose. Redistribution is permitted, in both source
* and binary form, provided that this notice remains intact in all source distributions of this
* package.
*/
import javax.swing.text.Segment;
/**
* Patch/diff token marker.
*
* @author Slava Pestov, Ingo Mierswa
*/
public class PatchTokenMarker extends TokenMarker {
@Override
public byte markTokensImpl(byte token, Segment line, int lineIndex) {
if (line.count == 0) {
return Token.NULL;
}
switch (line.array[line.offset]) {
case '+':
case '>':
addToken(line.count, Token.KEYWORD1);
break;
case '-':
case '<':
addToken(line.count, Token.KEYWORD2);
break;
case '@':
case '*':
addToken(line.count, Token.KEYWORD3);
break;
default:
addToken(line.count, Token.NULL);
break;
}
return Token.NULL;
}
@Override
public boolean supportsMultilineTokens() {
return false;
}
}