org.eclipse.mylyn.internal.wikitext.commonmark.inlines.EmphasisCharactersSpan.java Source code

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Here is the source code for org.eclipse.mylyn.internal.wikitext.commonmark.inlines.EmphasisCharactersSpan.java

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/*******************************************************************************
 * Copyright (c) 2015 David Green.
 * 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
 *
 * Contributors:
 *     David Green - initial API and implementation
 *******************************************************************************/

package org.eclipse.mylyn.internal.wikitext.commonmark.inlines;

import java.util.regex.Matcher;
import java.util.regex.Pattern;

import com.google.common.base.Optional;

public class EmphasisCharactersSpan extends SourceSpan {

    private final Pattern pattern = Pattern.compile("(_+|`+|\\*+).*", Pattern.DOTALL);

    @Override
    public Optional<? extends Inline> createInline(Cursor cursor) {
        Matcher matcher = cursor.matcher(pattern);
        if (matcher.matches()) {
            String group = matcher.group(1);
            return Optional.of(new Characters(cursor.getLineAtOffset(), cursor.getOffset(), group));
        }
        return Optional.absent();
    }

}