/*
* Copyright 2004-2014 SmartBear Software
*
* Licensed under the EUPL, Version 1.1 or - as soon as they will be approved by the European Commission - subsequent
* versions of the EUPL (the "Licence");
* You may not use this work except in compliance with the Licence.
* You may obtain a copy of the Licence at:
*
* http://ec.europa.eu/idabc/eupl
*
* Unless required by applicable law or agreed to in writing, software distributed under the Licence is
* distributed on an "AS IS" basis, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either
* express or implied. See the Licence for the specific language governing permissions and limitations
* under the Licence.
*/
package org.syntax.jedit.tokenmarker;
import javax.swing.text.Segment;
import org.syntax.jedit.SyntaxUtilities;
/**
* Batch file token marker.
*
* @author Slava Pestov
* @version $Id: BatchFileTokenMarker.java,v 1.20 1999/12/13 03:40:29 sp Exp $
*/
public class BatchFileTokenMarker extends TokenMarker {
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;
}
public boolean supportsMultilineTokens() {
return false;
}
}