SprayFormatter.java

/*
 * generated by Xtext
 */
package org.eclipselabs.spray.xtext.formatting;

import org.eclipse.xtext.Keyword;
import org.eclipse.xtext.formatting.impl.AbstractDeclarativeFormatter;
import org.eclipse.xtext.formatting.impl.FormattingConfig;
import org.eclipse.xtext.util.Pair;
import org.eclipselabs.spray.xtext.services.SprayGrammarAccess;

/**
 * This class contains custom formatting description.
 * see : http://www.eclipse.org/Xtext/documentation/latest/xtext.html#formatting
 * on how and when to use it
 * Also see {@link org.eclipse.xtext.xtext.XtextFormattingTokenSerializer} as an example
 */
public class SprayFormatter extends AbstractDeclarativeFormatter {

    @Override
    protected void configureFormatting(FormattingConfig c) {
        SprayGrammarAccess f = (SprayGrammarAccess) getGrammarAccess();
        for (Pair<Keyword, Keyword> pair : f.findKeywordPairs("{", "}")) {
            c.setIndentation(pair.getFirst(), pair.getSecond());
            c.setLinewrap(1).after(pair.getFirst());
            c.setLinewrap(1).before(pair.getSecond());
            c.setLinewrap(1).after(pair.getSecond());
        }
        for (Keyword comma : f.findKeywords(",")) {
            c.setNoLinewrap().before(comma);
            c.setNoSpace().before(comma);
            c.setLinewrap().after(comma);
        }
        c.setLinewrap(0, 1, 2).before(f.getSL_COMMENTRule());
        c.setLinewrap(0, 1, 2).before(f.getML_COMMENTRule());
        c.setLinewrap(0, 1, 1).after(f.getML_COMMENTRule());
    }
}