package org.basex.query.func.db;

import org.basex.data.*;
import org.basex.query.*;
import org.basex.query.value.item.*;
import org.basex.util.*;

/**
 * Function implementation.
 *
 * @author BaseX Team 2005-18, BSD License
 * @author Christian Gruen
 */
public final class DbIsXml extends DbAccess {
  @Override
  public Item item(final QueryContext qc, final InputInfo ii) throws QueryException {
    final Data data = checkData(qc);
    final String path = path(1, qc);
    return Bln.get(data.resources.doc(path) != -1);
  }
}
