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

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Here is the source code for org.eclipse.mylyn.internal.wikitext.commonmark.inlines.PotentialBracketSpan.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 com.google.common.base.Optional;

public class PotentialBracketSpan extends SourceSpan {

    @Override
    public Optional<? extends Inline> createInline(Cursor cursor) {
        char c = cursor.getChar();
        if (c == '!' && cursor.hasNext() && cursor.getNext() == '[') {
            return Optional.of(new PotentialBracketDelimiter(cursor.getLineAtOffset(), cursor.getOffset(), 2,
                    cursor.getTextAtOffset(2)));
        }
        if (c == '[') {
            return Optional.of(new PotentialBracketDelimiter(cursor.getLineAtOffset(), cursor.getOffset(), 1,
                    cursor.getTextAtOffset(1)));
        }
        if (c == ']') {
            return Optional.of(new PotentialBracketEndDelimiter(cursor.getLineAtOffset(), cursor.getOffset()));
        }
        return Optional.absent();
    }

}