/**
* 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;
/*
* BatchFileTokenMarker.java - Batch file token marker Copyright (C) 1998, 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;
/**
* Batch file token marker.
*
* @author Slava Pestov, Ingo Mierswa
*/
public class BatchFileTokenMarker extends TokenMarker {
@Override
public byte markTokensImpl(byte token, Segment line, int lineIndex) {
char[] array = line.array;
int offset = line.offset;
int lastOffset = offset;
int length = line.count + offset;
if (SyntaxUtilities.regionMatches(true, line, offset, "rem")) {
addToken(line.count, Token.COMMENT1);
return Token.NULL;
}
loop: for (int i = offset; i < length; i++) {
int i1 = (i + 1);
switch (token) {
case Token.NULL:
switch (array[i]) {
case '%':
addToken(i - lastOffset, token);
lastOffset = i;
if (length - i <= 3 || array[i + 2] == ' ') {
addToken(2, Token.KEYWORD2);
i += 2;
lastOffset = i;
} else {
token = Token.KEYWORD2;
}
break;
case '"':
addToken(i - lastOffset, token);
token = Token.LITERAL1;
lastOffset = i;
break;
case ':':
if (i == offset) {
addToken(line.count, Token.LABEL);
lastOffset = length;
break loop;
}
break;
case ' ':
if (lastOffset == offset) {
addToken(i - lastOffset, Token.KEYWORD1);
lastOffset = i;
}
break;
}
break;
case Token.KEYWORD2:
if (array[i] == '%') {
addToken(i1 - lastOffset, token);
token = Token.NULL;
lastOffset = i1;
}
break;
case Token.LITERAL1:
if (array[i] == '"') {
addToken(i1 - lastOffset, token);
token = Token.NULL;
lastOffset = i1;
}
break;
default:
throw new InternalError("Invalid state: " + token);
}
}
if (lastOffset != length) {
if (token != Token.NULL) {
token = Token.INVALID;
} else if (lastOffset == offset) {
token = Token.KEYWORD1;
}
addToken(length - lastOffset, token);
}
return Token.NULL;
}
@Override
public boolean supportsMultilineTokens() {
return false;
}
}