/*
* JBoss by Red Hat
* Copyright 2006-2009, Red Hat Middleware, LLC, and individual contributors as indicated
* by the @authors tag. See the copyright.txt in the distribution for a
* full listing of individual contributors.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.jboss.ide.eclipse.freemarker.editor.rules;
import org.eclipse.jface.text.rules.ICharacterScanner;
import org.eclipse.jface.text.rules.IToken;
import org.eclipse.jface.text.rules.Token;
/**
* @author <a href="mailto:joe@binamics.com">Joe Hudson</a>
*/
public class DirectiveRuleEnd extends DirectiveRule {
public DirectiveRuleEnd(String name, IToken token) {
super(name, token, true);
}
public DirectiveRuleEnd(String name, IToken token, boolean nameOnly) {
super(name, token, nameOnly);
}
/**
* Evaluates this rules without considering any column constraints. Resumes
* detection, i.e. look sonly for the end sequence required by this rule if the
* <code>resume</code> flag is set.
*
* @param scanner the character scanner to be used
* @param resume <code>true</code> if detection should be resumed, <code>false</code> otherwise
* @return the token resulting from this evaluation
* @since 2.0
*/
protected IToken doEvaluate(ICharacterScanner scanner, boolean resume) {
if (resume) {
if (endSequenceDetected(scanner))
return fToken;
} else {
int c= scanner.read();
char cCheck = (char) c;
if (c == START_SEQUENCES[0] || c == START_SEQUENCES[1]) {
int c2 = scanner.read();
if (c2 == '/') {
// check for the sequence identifier
c2 = scanner.read();
if (c2 == getIdentifierChar()) {
if (sequenceDetected(scanner, c, false)) {
if (endSequenceDetected(scanner, c))
return fToken;
}
}
scanner.unread();
}
scanner.unread();
}
}
scanner.unread();
return Token.UNDEFINED;
}
}