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QuestDB is high performance SQL time series database

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/*******************************************************************************
 *     ___                  _   ____  ____
 *    / _ \ _   _  ___  ___| |_|  _ \| __ )
 *   | | | | | | |/ _ \/ __| __| | | |  _ \
 *   | |_| | |_| |  __/\__ \ |_| |_| | |_) |
 *    \__\_\\__,_|\___||___/\__|____/|____/
 *
 *  Copyright (c) 2014-2019 Appsicle
 *  Copyright (c) 2019-2024 QuestDB
 *
 *  Licensed under the Apache License, Version 2.0 (the "License");
 *  you may not use this file except in compliance with the License.
 *  You may obtain a copy of the License at
 *
 *  http://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 *
 ******************************************************************************/

package io.questdb.cutlass.text;

import io.questdb.std.SwarUtils;

public class CsvTextLexer extends AbstractTextLexer {
    private static final long MASK_COMMA = SwarUtils.broadcast((byte) ',');

    public CsvTextLexer(TextConfiguration textConfiguration) {
        super(textConfiguration);
    }

    @Override
    protected void doSwitch(long lo, long hi, byte b) throws LineLimitException {
        switch (b) {
            case ',':
                onColumnDelimiter(lo);
                break;
            case '"':
                onQuote();
                break;
            case '\n':
            case '\r':
                onLineEnd(hi);
                break;
            default:
                checkEol(lo);
                break;
        }
    }

    @Override
    protected long getDelimiterMask() {
        return MASK_COMMA;
    }
}