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package org.openlr.binary.reader;

import org.openlr.binary.format.Status;

import java.io.ByteArrayInputStream;
import java.io.IOException;

class StatusReader {
    Status read(ByteArrayInputStream inputStream) throws IOException {
        byte[] bytes = inputStream.readNBytes(1);
        byte b = bytes[0];

        byte version = (byte) (b & 0x07);
        boolean attributeFlag = ((b >> 3) & 0x01) == 1;
        byte areaFlag = (byte) (((b >> 5) & 0x02) + ((b >> 4) & 0x01));
        boolean pointFlag = ((b >> 5) & 0x01) == 1;

        return new Status(version, attributeFlag, areaFlag, pointFlag);
    }
}