/*******************************************************************************
* Copyright (c) 2015-2016 Open Analytics NV and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*******************************************************************************/
package org.eclipse.linuxtools.internal.docker.editor.scanner;
import org.eclipse.jface.text.TextAttribute;
import org.eclipse.jface.text.rules.EndOfLineRule;
import org.eclipse.jface.text.rules.ICharacterScanner;
import org.eclipse.jface.text.rules.IRule;
import org.eclipse.jface.text.rules.IToken;
import org.eclipse.jface.text.rules.RuleBasedScanner;
import org.eclipse.jface.text.rules.SingleLineRule;
import org.eclipse.jface.text.rules.Token;
import org.eclipse.linuxtools.internal.docker.editor.syntax.SyntaxColors;
public class DockerInstructionScanner extends RuleBasedScanner {
public DockerInstructionScanner() {
IToken instructionToken = new Token(new TextAttribute(SyntaxColors.getInstructionColor()));
IToken stringToken = new Token(new TextAttribute(SyntaxColors.getStringColor()));
IToken varToken = new Token(new TextAttribute(SyntaxColors.getVariableColor()));
IToken commentToken = new Token(new TextAttribute(SyntaxColors.getCommentColor()));
IRule[] rules = new IRule[5];
rules[0] = new InstructionWordRule(instructionToken);
rules[1] = new SingleLineRule("\"", "\"", stringToken, '\\');
rules[2] = new SingleLineRule("\'", "\'", stringToken, '\\');
rules[3] = new SingleLineRule("${", "}", varToken, '\\');
rules[4] = new EndOfLineRule("#", commentToken) {
@Override
public IToken evaluate(ICharacterScanner scanner, boolean resume) {
if (getColumn() > 0)
return Token.UNDEFINED;
return super.evaluate(scanner, resume);
}
};
setRules(rules);
}
}