/*
 * CDDL HEADER START
 *
 * The contents of this file are subject to the terms of the
 * Common Development and Distribution License (the "License").
 * You may not use this file except in compliance with the License.
 *
 * See LICENSE.txt included in this distribution for the specific
 * language governing permissions and limitations under the License.
 *
 * When distributing Covered Code, include this CDDL HEADER in each
 * file and include the License file at LICENSE.txt.
 * If applicable, add the following below this CDDL HEADER, with the
 * fields enclosed by brackets "[]" replaced with your own identifying
 * information: Portions Copyright [yyyy] [name of copyright owner]
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 * CDDL HEADER END
 */

/*
 * Copyright (c) 2017, 2018, Oracle and/or its affiliates. All rights reserved.
 * Portions Copyright (c) 2017, 2020, Chris Fraire <cfraire@me.com>.
 */
package org.opengrok.indexer.analysis.swift;

import java.io.Reader;
import org.opengrok.indexer.analysis.AbstractAnalyzer;
import org.opengrok.indexer.analysis.AnalyzerFactory;
import org.opengrok.indexer.analysis.JFlexTokenizer;
import org.opengrok.indexer.analysis.JFlexXref;
import org.opengrok.indexer.analysis.plain.AbstractSourceCodeAnalyzer;

/**
 *
 * @author Lubos Kosco
 */
public class SwiftAnalyzer extends AbstractSourceCodeAnalyzer {

    /**
     * Creates a new instance of {@link SwiftAnalyzer}.
     * @param factory defined instance for the analyzer
     */
    protected SwiftAnalyzer(AnalyzerFactory factory) {
        super(factory, () -> new JFlexTokenizer(new SwiftSymbolTokenizer(
                AbstractAnalyzer.DUMMY_READER)));
    }

    /**
     * @return {@code "swift"} to match the OpenGrok-customized definitions
     */
    @Override
    public String getCtagsLang() {
        return "swift";
    }

    /**
     * Gets a version number to be used to tag processed documents so that
     * re-analysis can be re-done later if a stored version number is different
     * from the current implementation.
     * @return 20180208_00
     */
    @Override
    protected int getSpecializedVersionNo() {
        return 20180208_00; // Edit comment above too!
    }

    /**
     * Creates a wrapped {@link SwiftXref} instance.
     * @param reader the data to produce xref for
     * @return a defined instance
     */
    @Override
    protected JFlexXref newXref(Reader reader) {
        return new JFlexXref(new SwiftXref(reader));
    }

    @Override
    protected boolean supportsScopes() {
        return true;
    }
}