content: package tim.prune.data;
  
  import java.util.List;
  import java.util.Objects;
  
  
  /** Represents a field loaded directly from Gpx (not from an extension) */
  public class FieldGpx extends Field
  {
  	private final String _tag;
  
  	private static final List<FieldGpx> _knownFields = List.of(
  		new FieldGpx("course"), new FieldGpx("speed"), new FieldGpx("magvar"), new FieldGpx("geoidheight"),
  		// followed by name, cmt, desc
  		new FieldGpx("src"), new FieldGpx("fix"), new FieldGpx("sat"), new FieldGpx("hdop"), new FieldGpx("vdop"),
  		new FieldGpx("pdop"), new FieldGpx("ageofdgpsdata"), new FieldGpx("dgpsid")
  	);
  
  
  	private FieldGpx(String inTag)
  	{
  		super(FileType.GPX);
  		_tag = inTag;
  	}
  
  	/** @return the name of the field */
  	public String getName() {
  		return _tag;
  	}
  
  	/** @return the known field with the given name, if it exists, or null */
  	public static FieldGpx getField(String inName)
  	{
  		for (FieldGpx field : _knownFields)
  		{
  			if (field.getName().equals(inName)) {
  				return field;
  			}
  		}
  		return null; // not known
  	}
  
  	/** @return the open tag for this field */
  	public String getOpenTag() {
  		return "<" + getName() + ">";
  	}
  
  	/** @return the closing tag for this field */
  	public String getCloseTag() {
  		return "</" + getName() + ">";
  	}
  
  	/** @return an array of the fields which appear in the first set, before name */
  	public static FieldGpx[] getFirstFields()
  	{
  		return new FieldGpx[] {new FieldGpx("course"), new FieldGpx("speed"),
  				new FieldGpx("magvar"), new FieldGpx("geoidheight")};
  	}
  
  	/** @return an array of the fields which appear in the second set, after name */
  	public static FieldGpx[] getSecondFields()
  	{
  		return new FieldGpx[] {new FieldGpx("src"), new FieldGpx("fix"),
  				new FieldGpx("sat"), new FieldGpx("hdop"), new FieldGpx("vdop"),
  				new FieldGpx("pdop"), new FieldGpx("ageofdgpsdata"), new FieldGpx("dgpsid")};
  	}
  
  	public boolean equals(Object inOther)
  	{
  		return inOther instanceof FieldGpx
  			&& Objects.equals(_tag, ((FieldGpx) inOther)._tag);
  	}
  }
  