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package io.legaldocml.akn.element;

import com.google.common.collect.ImmutableMap;
import io.legaldocml.akn.attribute.CoreOpt;
import io.legaldocml.akn.util.AknList;
import io.legaldocml.akn.util.XmlReaderHelper;
import io.legaldocml.akn.visitor.AknVisitor;
import io.legaldocml.io.XmlReader;
import io.legaldocml.io.XmlWriter;
import io.legaldocml.io.impl.Buffers;

import java.io.IOException;
import java.util.function.Supplier;

import static io.legaldocml.akn.AknElements.TD;
import static io.legaldocml.akn.AknElements.TH;
import static io.legaldocml.akn.AknElements.TR;

/**
 *  *   
 * 	   
 * 	     
 * 		   
 * 		   
 * 		 
 * 		 
 * 	   
 *   
 * 
 *
 * @author Jacques Militello
 */
public final class Tr extends AbstractCore implements CoreOpt, SubFlowStructureElement {

    /**
     * Memory address.
     */
    private static final long ADDRESS_TR = Buffers.address(TR);

    private static final ImmutableMap> ELEMS;

    static {
        ELEMS = ImmutableMap.>builder()
                .put(TH, Th::new)
                .put(TD, Td::new)
                .build();
    }

    // Mandatory (min 1)
    private final AknList trs = new AknList<>(new TrElement[6]);

    public void add(TrElement element) {
        this.trs.add(element);
    }

    /**
     * {@inheritDoc}
     */
    @Override
    public void write(XmlWriter writer) throws IOException {
        writer.writeStart(ADDRESS_TR, 2);
        CoreOpt.super.write(writer);
        this.trs.write(writer);
        writer.writeEnd(ADDRESS_TR, 2);
    }

    /**
     * {@inheritDoc}
     */
    @Override
    public void read(XmlReader reader) {
        super.read(reader);
        XmlReaderHelper.read(reader, this.trs, ELEMS);
    }

    /**
     * {@inheritDoc}
     */
    @Override
    public String name() {
        return TR;
    }

    /**
     * {@inheritDoc}
     */
    @Override
    public void accept(AknVisitor visitor) {
        if (visitor.visitEnter(this)) {
            this.trs.accept(visitor);
            visitor.visitLeave(this);
        }
    }

}