File indexing completed on 2024-12-08 07:18:53

 /*
     SPDX-FileCopyrightText: 2020 Volker Krause <vkrause@kde.org>
 
     SPDX-License-Identifier: LGPL-2.0-or-later
 */
 
 #include "lineinfo.h"
 #include "../lib/datatypes/linecompare_p.h"
 
 #include <QDebug>
 
 enum {
     BoundingBoxSizeWarning = 12'000'000, // warning threshold for bbox sizes, in 1/1e7-th degree
 };
 
 LineInfo::LineInfo() = default;
 LineInfo::~LineInfo() = default;
 
 bool LineInfo::isUseful(const LineInfo& info)
 {
     if (info.name.isEmpty())
         return false;
 
     switch (info.mode) {
         case Unknown:
             return false;
         case Train:
         case LongDistance:
         case LocalTrain:
             return !info.lineLogos.empty();
         case RapidTransit:
         case Tram:
         case Subway:
             return info.color.isValid() || !info.lineLogos.isEmpty() || !info.productLogos.isEmpty();
     }
     return false;
 }
 
 static LineInfo::Mode lineModeStringToMode(const QByteArray &s)
 {
    if (s == "subway") {
         return LineInfo::Subway;
     }
     if (s == "tram") {
         return LineInfo::Tram;
     }
     if (s == "light_rail" || s == "commuter" || s == "suburban") {
         return LineInfo::RapidTransit;
     }
     if (s == "national" || s == "long_distance" || s == "international" || s == "high_speed") {
         return LineInfo::LongDistance;
     }
     if (s == "regional") {
         return LineInfo::LocalTrain;
     }
     return LineInfo::Unknown;
 }
 
 LineInfo::Mode LineInfo::determineMode(const OSM::Relation &rel)
 {
     auto m = lineModeStringToMode(OSM::tagValue(rel, "route_master"));
     if (m != Unknown) return m;
 
     m = lineModeStringToMode(OSM::tagValue(rel, "route"));
     if (m != Unknown) return m;
 
     return std::max(lineModeStringToMode(OSM::tagValue(rel, "line")),
            std::max(lineModeStringToMode(OSM::tagValue(rel, "service")),
                     lineModeStringToMode(OSM::tagValue(rel, "passenger"))));
 }
 
 LineInfo LineInfo::fromRelation(const OSM::Relation &rel)
 {
     LineInfo info;
     info.relId = rel.id;
 
     // check for under constructions or out-of-service tags
     const auto underConstruction = OSM::tagValue(rel, "construction");
     if (underConstruction == "yes") {
         return info;
     }
 
     info.name = QString::fromUtf8(OSM::tagValue(rel, "ref")).trimmed();
     const auto colStr = OSM::tagValue(rel, "colour");
     if (!colStr.isEmpty()) {
         info.color = QColor(QString::fromUtf8(colStr));
     }
     info.wdId = Wikidata::Q(OSM::tagValue(rel, "wikidata"));
     info.mode = determineMode(rel);
 
     info.bbox = rel.bbox;
     if (isUseful(info) && (info.bbox.width() > BoundingBoxSizeWarning || info.bbox.height() > BoundingBoxSizeWarning)) {
         qWarning() << "Suspicious bbox size:" << info.relId << info.name << info.bbox;
     }
 
     return info;
 }
 
 void LineInfo::merge(LineInfo &lhs, const LineInfo &rhs)
 {
     Q_ASSERT(!lhs.name.isEmpty());
     if (!rhs.name.isEmpty() && !KPublicTransport::Internal::isSameLineName(lhs.name, rhs.name, KPublicTransport::Internal::StrictCompare)) {
         qDebug() << "OSM name conflict:" << lhs << rhs;
     }
 
     if (lhs.color.isValid() && rhs.color.isValid() && lhs.color != rhs.color) {
         qWarning() << "OSM color conflict:" << lhs << rhs;
     } else if (rhs.color.isValid()) {
         lhs.color = rhs.color;
     }
     if (lhs.wdId.isValid() && rhs.wdId.isValid() && lhs.wdId != rhs.wdId) {
         qWarning() << "wikidata id conflict:" << lhs << rhs;
     } else if (rhs.wdId.isValid()) {
         lhs.wdId = rhs.wdId;
     }
     if (lhs.mode != Unknown && rhs.mode != Unknown && lhs.mode != rhs.mode) {
         qWarning() << "OSM mode conflict:" << lhs << rhs;
     }
     lhs.mode = std::max(lhs.mode, rhs.mode);
     lhs.bbox = OSM::unite(lhs.bbox, rhs.bbox);
     if (LineInfo::isUseful(lhs) && (lhs.bbox.width() > BoundingBoxSizeWarning || lhs.bbox.height() > BoundingBoxSizeWarning)) {
         qWarning() << "Suspicious bbox size after merging:" << lhs << rhs;
     }
 }
 
 QDebug operator<<(QDebug debug, const LineInfo &info)
 {
     QDebugStateSaver saver(debug);
     debug.noquote().nospace()
         << info.name
         << " https://openstreetmap.org/relation/" << info.relId
         << " " << info.mode
         << (info.color.isValid() ? (QLatin1Char(' ') + info.color.name()) : QString())
         << (info.wdId.isValid() ? QString(QLatin1Char(' ')) : QString()) << info.wdId
         << " " << info.bbox;
     return debug;
 }