// License: GPL. For details, see LICENSE file.
package org.openstreetmap.josm.plugins.utilsplugin2.search;
import static org.openstreetmap.josm.tools.I18n.tr;
import org.openstreetmap.josm.actions.search.PushbackTokenizer;
import org.openstreetmap.josm.actions.search.SearchCompiler;
import org.openstreetmap.josm.data.osm.Changeset;
import org.openstreetmap.josm.data.osm.Node;
import org.openstreetmap.josm.data.osm.OsmPrimitive;
import org.openstreetmap.josm.data.osm.Relation;
import org.openstreetmap.josm.data.osm.Way;
import org.openstreetmap.josm.data.osm.visitor.Visitor;
/**
* Matches primitives used in specied number of relations
*/
public class UsedInRelationsMatch extends RangeMatch {
public UsedInRelationsMatch(PushbackTokenizer.Range range) {
super(range);
}
public UsedInRelationsMatch(PushbackTokenizer tokenizer) throws SearchCompiler.ParseError {
this(tokenizer.readRange(tr("Range of referencing relation count")));
}
private static class RelationCounter implements Visitor {
int count;
@Override
public void visit(Way w) {
// Do nothing
}
@Override
public void visit(Node n) {
// Do nothing
}
@Override
public void visit(Relation r) {
count++;
}
@Override
public void visit(Changeset cs) {
// Do nothing
}
}
RelationCounter counter = new RelationCounter();
@Override
protected Long getNumber(OsmPrimitive osm) {
counter.count = 0;
osm.visitReferrers(counter);
return Long.valueOf(counter.count);
}
@Override
protected String getString() {
return "usedinrelations";
}
}