ErlStringScanner.java example

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erlide-master
package org.erlide.ui.editors.erl.scanner;

import java.util.List;

import org.eclipse.jface.text.rules.IRule;
import org.eclipse.jface.text.rules.Token;
import org.erlide.ui.prefs.TokenHighlight;
import org.erlide.ui.util.IColorManager;
import org.erlide.ui.util.text.RegexpRule;

import com.google.common.collect.Lists;

public class ErlStringScanner extends ErlTokenScanner {

    public ErlStringScanner(final IColorManager colorManager) {
        super(colorManager);
        final Token defaultToken = ErlTokenScanner
                .getToken(TokenHighlight.STRING.getName());
        setDefaultReturnToken(defaultToken);

        final Token tildeTag = ErlTokenScanner
                .getToken(TokenHighlight.TILDE_TAG.getName());
        final Token escapeTag = ErlTokenScanner
                .getToken(TokenHighlight.ESCAPE_TAG.getName());

        final List<IRule> rulesList = Lists.newArrayList();
        rulesList.add(new RegexpRule("~[0-9*]*(\\.[0-9*]+)?.?t?[~cfegswWpPBbXx#+ni]",
                tildeTag));
        rulesList.add(new EscapeRule(escapeTag));

        final IRule[] rules = new IRule[rulesList.size()];
        rulesList.toArray(rules);
        setRules(rules);
    }

}