Subversion Repositories mkgmap

/*
 * Copyright (C) 2011.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 3 or
 * version 2 as published by the Free Software Foundation.
 *
 * This program is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * General Public License for more details.
 */

package uk.me.parabola.imgfmt.app.mdr;

import java.util.ArrayList;
import java.util.Collections;
import java.util.List;

/**
 * Index of streets by country.
 *
 * There is no pointer from the country section into this like there is with
 * cities.
 *
 * @author Steve Ratcliffe
 * @author Gerd Petermann
 */
public class Mdr22 extends Mdr2x {

        public Mdr22(MdrConfig config) {
                setConfig(config);
        }

        /**
         * We need to sort the streets by the name of the country. Within a country
         * the streets are ordered by their own index.
         *
         * Also have to set the record number of the first record in this section
         * on the country.
         *
         * @param inStreets The list of streets from mdr7.
         */
        public void buildFromStreets(List<Mdr7Record> inStreets) {
                ArrayList<Mdr7Record> sorted = new ArrayList<>(inStreets.size());
                for (Mdr7Record street : inStreets) {
                        if (street.getCity() != null) {
                                assert street.getCity().getCountryName() != null;
                                sorted.add(street);
                        }
                }
                sorted.sort((o1, o2) -> {
                        int d = Integer.compare(o1.getCity().getMdr22SortPos(), o2.getCity().getMdr22SortPos());
                        if (d != 0)
                                return d;
                        return Integer.compare(o1.getIndex(), o2.getIndex());
                });

                int lastIndex = -1;
                int record = 0;
                for (Mdr7Record street : sorted) {
                        if (street.getIndex() != lastIndex) {
                                record++;
                                streets.add(street);

                                // Include in the mdr29 index if we have one for this record.
                                Mdr14Record mdrCountry = street.getCity().getMdrCountry();
                                if (mdrCountry != null) {
                                        Mdr29Record mdr29 = mdrCountry.getMdr29();
                                        mdr29.setMdr22(record);
                                }

                                lastIndex = street.getIndex();
                        }
                }
        }

        protected boolean sameGroup(Mdr7Record street1, Mdr7Record street2) {
                return true;
        }

        public List<Mdr7Record> getStreets() {
                return Collections.unmodifiableList(streets);
        }

        /**
         * Unknown flag
         */
        public int getExtraValue() {
                int magic;
                if (isForDevice()) {
                        magic = 0x0000e;
                        if (!getConfig().getSort().isMulti())
                                magic |= 0xc0000; // used to be 0x6000, maybe two different flags ?
                } else {
                        magic = 0x11000;
                }
                return magic;
        }
}