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545 lines
22 KiB
C++
545 lines
22 KiB
C++
#include "traffxml/traff_model.hpp"
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#include "base/logging.hpp"
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#include <regex>
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using namespace std;
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namespace traffxml
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{
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const std::map<EventType, traffic::SpeedGroup> kEventSpeedGroupMap{
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// TODO Activity*, Authority*, Carpool* (not in enum yet)
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{EventType::CongestionHeavyTraffic, traffic::SpeedGroup::G4},
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{EventType::CongestionLongQueue, traffic::SpeedGroup::G0},
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{EventType::CongestionNone, traffic::SpeedGroup::G5},
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{EventType::CongestionNormalTraffic, traffic::SpeedGroup::G5},
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{EventType::CongestionQueue, traffic::SpeedGroup::G2},
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{EventType::CongestionQueueLikely, traffic::SpeedGroup::G3},
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{EventType::CongestionSlowTraffic, traffic::SpeedGroup::G3},
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{EventType::CongestionStationaryTraffic, traffic::SpeedGroup::G1},
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{EventType::CongestionStationaryTrafficLikely, traffic::SpeedGroup::G2},
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{EventType::CongestionTrafficBuildingUp, traffic::SpeedGroup::G4},
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{EventType::CongestionTrafficCongestion, traffic::SpeedGroup::G3}, // TODO or G2? Unquantified, below normal
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{EventType::CongestionTrafficFlowingFreely, traffic::SpeedGroup::G5},
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{EventType::CongestionTrafficHeavierThanNormal, traffic::SpeedGroup::G4},
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{EventType::CongestionTrafficLighterThanNormal, traffic::SpeedGroup::G5},
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{EventType::CongestionTrafficMuchHeavierThanNormal, traffic::SpeedGroup::G3},
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{EventType::CongestionTrafficProblem, traffic::SpeedGroup::G3}, // TODO or G2? Unquantified, below normal
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// TODO Construction* (not in enum yet)
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/*
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* Some delay types have a duration which depends on the route. This is better expressed as a
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* speed group, although the mapping may be somewhat arbitrary and may need to be corrected.
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*/
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{EventType::DelayDelay, traffic::SpeedGroup::G2},
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{EventType::DelayDelayPossible, traffic::SpeedGroup::G3},
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{EventType::DelayLongDelay, traffic::SpeedGroup::G1},
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{EventType::DelayVeryLongDelay, traffic::SpeedGroup::G0},
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// TODO Environment*, EquipmentStatus*, Hazard*, Incident* (not in enum yet)
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// TODO complete Restriction* (not in enum yet)
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{EventType::RestrictionBlocked, traffic::SpeedGroup::TempBlock},
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{EventType::RestrictionBlockedAhead, traffic::SpeedGroup::TempBlock},
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//{EventType::RestrictionCarriagewayBlocked, traffic::SpeedGroup::TempBlock}, // TODO FIXME other carriageways may still be open
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//{EventType::RestrictionCarriagewayClosed, traffic::SpeedGroup::TempBlock}, // TODO FIXME other carriageways may still be open
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{EventType::RestrictionClosed, traffic::SpeedGroup::TempBlock},
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{EventType::RestrictionClosedAhead, traffic::SpeedGroup::TempBlock},
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{EventType::RestrictionEntryBlocked, traffic::SpeedGroup::TempBlock},
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{EventType::RestrictionExitBlocked, traffic::SpeedGroup::TempBlock},
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{EventType::RestrictionRampBlocked, traffic::SpeedGroup::TempBlock},
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{EventType::RestrictionRampClosed, traffic::SpeedGroup::TempBlock},
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{EventType::RestrictionSpeedLimit, traffic::SpeedGroup::G4},
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// TODO Security*, Transport*, Weather* (not in enum yet)
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};
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// none of the currently define events imply an explicit maxspeed
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#if 0
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const std::map<EventType, uint8_t> kEventMaxspeedMap{
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// TODO Activity*, Authority*, Carpool* (not in enum yet)
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// TODO Construction* (not in enum yet)
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// TODO Environment*, EquipmentStatus*, Hazard*, Incident* (not in enum yet)
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// TODO complete Restriction* (not in enum yet)
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// TODO Security*, Transport*, Weather* (not in enum yet)
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};
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#endif
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const std::map<EventType, uint16_t> kEventDelayMap{
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// TODO Activity*, Authority*, Carpool* (not in enum yet)
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// TODO Construction* (not in enum yet)
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//{EventType::DelayDelay, }, // mapped to speed group
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//{EventType::DelayDelayPossible, }, // mapped to speed group
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//{EventType::DelayLongDelay, }, // mapped to speed group
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{EventType::DelaySeveralHours, 150}, // assumption: 2.5 hours
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{EventType::DelayUncertainDuration, 60}, // assumption: 1 hour
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//{EventType::DelayVeryLongDelay, }, // mapped to speed group
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// TODO Environment*, EquipmentStatus*, Hazard*, Incident* (not in enum yet)
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// TODO complete Restriction* (not in enum yet)
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// TODO Security*, Transport*, Weather* (not in enum yet)
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};
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std::optional<IsoTime> IsoTime::ParseIsoTime(std::string timeString)
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{
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/*
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* TODO this is ugly because we need to work around some compiler deficiencies.
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*
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* Ideally, we would be using `std::chrono::time_point<std::chrono::utc_clock>` and parse the
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* string using `std::chrono::from_stream`, using `%FT%T%z` for the format string.
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* This works in GCC 14+ and is pleasantly liberal about the time zone format (all of +01, +0100
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* and +01:00 are parsed correctly). Alas, Ubuntu 24.04 (currently the default dev platform) comes
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* with GCC 13.2, which lacks this support. Clang, as of mid-2025, doesn’t support it at all.
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*
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* The workaround is therefore to use `std::chrono::time_point<std::chrono::system_clock>`, which
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* exposes the same API as its `utc_clock` counterpart, making transition at a later point easy.
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* In addition, however, it can be constructed from `std::time_t`, which we can generate from
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* `std::tm`. Still not the prettiest way (as it relies on legacy C functions which are not
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* thread-safe), but the best we can get until we have proper compiler support for `from_stream`.
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*/
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/*
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* Regex for ISO 8601 time, with some tolerance for time zone offset. If matched, the matcher
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* will contain the following items:
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*
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* 0: 2019-11-01T11:55:42+01:00 (entire expression)
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* 1: 2019 (year)
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* 2: 11 (month)
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* 3: 01 (day)
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* 4: 11 (hour, local)
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* 5: 55 (minute, local)
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* 6: 42.445 (second, local, float)
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* 7: .445 (fractional seconds)
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* 8: +01:00 (complete UTC offset, or Z; blank if not specified)
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* 9: +01:00 (complete UTC offset, blank for Z or of not specified)
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* 10: +01 (UTC offset, hours with sign; blank for Z or if not specified)
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* 11: :00 (UTC offset, minutes, prefixed with separator)
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* 12: 00 (UTC offset, minutes, unsigned; blank for Z or if not specified)
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*/
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std::regex iso8601Regex("([0-9]{4})-([0-9]{2})-([0-9]{2})T([0-9]{2}):([0-9]{2}):([0-9]{2}(\\.[0-9]*)?)(Z|(([+-][0-9]{2})(:?([0-9]{2}))?))?");
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std::smatch iso8601Matcher;
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if (std::regex_search(timeString, iso8601Matcher, iso8601Regex))
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{
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int offset_h = iso8601Matcher[10].matched ? std::stoi(iso8601Matcher[10]) : 0;
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int offset_m = iso8601Matcher[12].matched ? std::stoi(iso8601Matcher[12]) : 0;
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if (offset_h < 0)
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offset_m *= -1;
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std::tm tm = {};
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tm.tm_year = std::stoi(iso8601Matcher[1]) - 1900;
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tm.tm_mon = std::stoi(iso8601Matcher[2]) - 1;
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tm.tm_mday = std::stoi(iso8601Matcher[3]);
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tm.tm_hour = std::stoi(iso8601Matcher[4]) - offset_h;
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tm.tm_min = std::stoi(iso8601Matcher[5]) - offset_m;
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tm.tm_sec = std::stof(iso8601Matcher[6]) + 0.5f;
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std::time_t tt = timegm(&tm);
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std::chrono::time_point<std::chrono::system_clock> tp = std::chrono::system_clock::from_time_t(tt);
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IsoTime result(tp);
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return result;
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}
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else
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{
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LOG(LINFO, ("Not a valid ISO 8601 timestamp:", timeString));
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return std::nullopt;
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}
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}
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IsoTime IsoTime::Now()
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{
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return IsoTime(std::chrono::system_clock::now());
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}
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IsoTime::IsoTime(std::chrono::time_point<std::chrono::system_clock> tp)
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: m_tp(tp)
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{}
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bool IsoTime::IsPast()
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{
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return m_tp < std::chrono::system_clock::now();
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}
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bool IsoTime::operator< (IsoTime & rhs)
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{
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return m_tp < rhs.m_tp;
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}
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bool IsoTime::operator> (IsoTime & rhs)
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{
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return m_tp > rhs.m_tp;
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}
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bool operator==(TrafficImpact const & lhs, TrafficImpact const & rhs)
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{
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if ((lhs.m_speedGroup == traffic::SpeedGroup::TempBlock)
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&& (rhs.m_speedGroup == traffic::SpeedGroup::TempBlock))
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return true;
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return (lhs.m_speedGroup == rhs.m_speedGroup)
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&& (lhs.m_maxspeed == rhs.m_maxspeed)
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&& (lhs.m_delayMins == rhs.m_delayMins);
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}
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bool operator==(Point const & lhs, Point const & rhs)
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{
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return lhs.m_coordinates == rhs.m_coordinates;
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}
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bool operator==(TraffLocation const & lhs, TraffLocation const & rhs)
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{
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return (lhs.m_from == rhs.m_from)
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&& (lhs.m_at == rhs.m_at)
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&& (lhs.m_via == rhs.m_via)
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&& (lhs.m_notVia == rhs.m_notVia)
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&& (lhs.m_to == rhs.m_to);
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}
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std::optional<TrafficImpact> TraffMessage::GetTrafficImpact()
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{
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// no events, no impact
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if (m_events.empty())
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return std::nullopt;
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// examine events
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std::vector<TrafficImpact> impacts;
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for (auto event : m_events)
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{
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TrafficImpact impact;
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if (auto it = kEventSpeedGroupMap.find(event.m_type); it != kEventSpeedGroupMap.end())
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impact.m_speedGroup = it->second;
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if (event.m_speed)
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impact.m_maxspeed = event.m_speed.value();
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// TODO if no explicit speed given, look up in kEventMaxspeedMap (once we have entries)
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if (event.m_class == EventClass::Delay
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&& event.m_type != EventType::DelayClearance
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&& event.m_type != EventType::DelayForecastWithdrawn
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&& event.m_type != EventType::DelaySeveralHours
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&& event.m_type != EventType::DelayUncertainDuration
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&& event.m_qDurationMins)
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impact.m_delayMins = event.m_qDurationMins.value();
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else if (auto it = kEventDelayMap.find(event.m_type); it != kEventDelayMap.end())
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impact.m_delayMins = it->second;
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// TempBlock overrules everything else, return immediately
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if (impact.m_speedGroup == traffic::SpeedGroup::TempBlock)
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return impact;
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// if there is no actual impact, discard
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if ((impact.m_maxspeed < kMaxspeedNone)
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|| (impact.m_delayMins > 0)
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|| (impact.m_speedGroup != traffic::SpeedGroup::Unknown))
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impacts.push_back(impact);
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}
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if (impacts.empty())
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return std::nullopt;
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TrafficImpact result;
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for (auto impact : impacts)
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{
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ASSERT(impact.m_speedGroup != traffic::SpeedGroup::TempBlock, ("Got SpeedGroup::TempBlock, which should not happen at this stage"));
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if (result.m_speedGroup == traffic::SpeedGroup::Unknown)
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result.m_speedGroup = impact.m_speedGroup;
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// TempBlock cannot occur here, so we can do just a simple comparison
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else if ((impact.m_speedGroup != traffic::SpeedGroup::Unknown) && (impact.m_speedGroup < result.m_speedGroup))
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result.m_speedGroup = impact.m_speedGroup;
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if (impact.m_maxspeed < result.m_maxspeed)
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result.m_maxspeed = impact.m_maxspeed;
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if (impact.m_delayMins > result.m_delayMins)
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result.m_delayMins = impact.m_delayMins;
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}
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if ((result.m_maxspeed < kMaxspeedNone)
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|| (result.m_delayMins > 0)
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|| (result.m_speedGroup != traffic::SpeedGroup::Unknown))
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return result;
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else
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// should never happen, unless we have a bug somewhere
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return std::nullopt;
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}
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void MergeMultiMwmColoring(MultiMwmColoring & delta, MultiMwmColoring & target)
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{
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// for each mwm in delta
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for (auto [mwmId, coloring] : delta)
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// if target contains mwm
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if (auto target_it = target.find(mwmId); target_it != target.end())
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// for each segment in delta[mwm] (coloring)
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for (auto [rsid, sg] : coloring)
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// if target[mwm] contains segment
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if (auto c_it = target_it->second.find(rsid) ; c_it != target_it->second.end())
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{
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// if delta overrules target (target is Unknown, delta is TempBlock or delta is slower than target)
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if ((sg == traffic::SpeedGroup::TempBlock)
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|| (c_it->second == traffic::SpeedGroup::Unknown) || (sg < c_it->second))
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target_it->second[rsid] = sg;
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}
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else
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// if target[mwm] does not contain segment, add speed group
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target_it->second[rsid] = sg;
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else
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// if target does not contain mwm, add coloring
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target[mwmId] = coloring;
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}
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/*
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string DebugPrint(LinearSegmentSource source)
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{
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switch (source)
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{
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case LinearSegmentSource::NotValid: return "NotValid";
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case LinearSegmentSource::FromLocationReferenceTag: return "FromLocationReferenceTag";
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case LinearSegmentSource::FromCoordinatesTag: return "FromCoordinatesTag";
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}
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UNREACHABLE();
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}
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*/
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std::string DebugPrint(IsoTime time)
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{
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std::ostringstream os;
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//os << std::put_time(&time.m_tm, "%Y-%m-%d %H:%M:%S %z");
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// %FT%T%z
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os << std::format("{0:%F} {0:%T} {0:%z}", time.m_tp);
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return os.str();
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}
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std::string DebugPrint(Directionality directionality)
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{
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switch (directionality)
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{
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case Directionality::OneDirection: return "OneDirection";
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case Directionality::BothDirections: return "BothDirections";
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}
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UNREACHABLE();
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}
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std::string DebugPrint(Ramps ramps)
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{
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switch (ramps)
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{
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case Ramps::All: return "All";
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case Ramps::Entry: return "Entry";
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case Ramps::Exit: return "Exit";
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case Ramps::None: return "None";
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}
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UNREACHABLE();
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}
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std::string DebugPrint(RoadClass roadClass)
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{
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switch (roadClass)
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{
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case RoadClass::Motorway: return "Motorway";
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case RoadClass::Trunk: return "Trunk";
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case RoadClass::Primary: return "Primary";
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case RoadClass::Secondary: return "Secondary";
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case RoadClass::Tertiary: return "Tertiary";
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case RoadClass::Other: return "Other";
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}
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UNREACHABLE();
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}
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std::string DebugPrint(EventClass eventClass)
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{
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switch (eventClass)
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{
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case EventClass::Invalid: return "Invalid";
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case EventClass::Activity: return "Activity";
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case EventClass::Authority: return "Authority";
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case EventClass::Carpool: return "Carpool";
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case EventClass::Congestion: return "Congestion";
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case EventClass::Construction: return "Construction";
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case EventClass::Delay: return "Delay";
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case EventClass::Environment: return "Environment";
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case EventClass::EquipmentStatus: return "EquipmentStatus";
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case EventClass::Hazard: return "Hazard";
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case EventClass::Incident: return "Incident";
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case EventClass::Restriction: return "Restriction";
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case EventClass::Security: return "Security";
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case EventClass::Transport: return "Transport";
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case EventClass::Weather: return "Weather";
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}
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UNREACHABLE();
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}
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std::string DebugPrint(EventType eventType)
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{
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switch (eventType)
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{
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case EventType::Invalid: return "Invalid";
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// TODO Activity*, Authority*, Carpool* (not in enum yet)
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case EventType::CongestionCleared: return "CongestionCleared";
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case EventType::CongestionForecastWithdrawn: return "CongestionForecastWithdrawn";
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case EventType::CongestionHeavyTraffic: return "CongestionHeavyTraffic";
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case EventType::CongestionLongQueue: return "CongestionLongQueue";
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case EventType::CongestionNone: return "CongestionNone";
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case EventType::CongestionNormalTraffic: return "CongestionNormalTraffic";
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case EventType::CongestionQueue: return "CongestionQueue";
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case EventType::CongestionQueueLikely: return "CongestionQueueLikely";
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case EventType::CongestionSlowTraffic: return "CongestionSlowTraffic";
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case EventType::CongestionStationaryTraffic: return "CongestionStationaryTraffic";
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case EventType::CongestionStationaryTrafficLikely: return "CongestionStationaryTrafficLikely";
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case EventType::CongestionTrafficBuildingUp: return "CongestionTrafficBuildingUp";
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case EventType::CongestionTrafficCongestion: return "CongestionTrafficCongestion";
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case EventType::CongestionTrafficEasing: return "CongestionTrafficEasing";
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case EventType::CongestionTrafficFlowingFreely: return "CongestionTrafficFlowingFreely";
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case EventType::CongestionTrafficHeavierThanNormal: return "CongestionTrafficHeavierThanNormal";
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case EventType::CongestionTrafficLighterThanNormal: return "CongestionTrafficLighterThanNormal";
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case EventType::CongestionTrafficMuchHeavierThanNormal: return "CongestionTrafficMuchHeavierThanNormal";
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case EventType::CongestionTrafficProblem: return "CongestionTrafficProblem";
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// TODO Construction* (not in enum yet)
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case EventType::DelayClearance: return "DelayClearance";
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case EventType::DelayDelay: return "DelayDelay";
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case EventType::DelayDelayPossible: return "DelayDelayPossible";
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case EventType::DelayForecastWithdrawn: return "DelayForecastWithdrawn";
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case EventType::DelayLongDelay: return "DelayLongDelay";
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case EventType::DelaySeveralHours: return "DelaySeveralHours";
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case EventType::DelayUncertainDuration: return "DelayUncertainDuration";
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case EventType::DelayVeryLongDelay: return "DelayVeryLongDelay";
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// TODO Environment*, EquipmentStatus*, Hazard*, Incident* (not in enum yet)
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// TODO complete Restriction* (not in enum yet)
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case EventType::RestrictionBlocked: return "RestrictionBlocked";
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case EventType::RestrictionBlockedAhead: return "RestrictionBlockedAhead";
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case EventType::RestrictionCarriagewayBlocked: return "RestrictionCarriagewayBlocked";
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case EventType::RestrictionCarriagewayClosed: return "RestrictionCarriagewayClosed";
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case EventType::RestrictionClosed: return "RestrictionClosed";
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case EventType::RestrictionClosedAhead: return "RestrictionClosedAhead";
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case EventType::RestrictionEntryBlocked: return "RestrictionEntryBlocked";
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case EventType::RestrictionEntryReopened: return "RestrictionEntryReopened";
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case EventType::RestrictionExitBlocked: return "RestrictionExitBlocked";
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case EventType::RestrictionExitReopened: return "RestrictionExitReopened";
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case EventType::RestrictionOpen: return "RestrictionOpen";
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case EventType::RestrictionRampBlocked: return "RestrictionRampBlocked";
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case EventType::RestrictionRampClosed: return "RestrictionRampClosed";
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case EventType::RestrictionRampReopened: return "RestrictionRampReopened";
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case EventType::RestrictionReopened: return "RestrictionReopened";
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case EventType::RestrictionSpeedLimit: return "RestrictionSpeedLimit";
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case EventType::RestrictionSpeedLimitLifted: return "RestrictionSpeedLimitLifted";
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// TODO Security*, Transport*, Weather* (not in enum yet)
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}
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UNREACHABLE();
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}
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std::string DebugPrint(TrafficImpact impact)
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||
{
|
||
std::ostringstream os;
|
||
os << "TrafficImpact { ";
|
||
os << "speedGroup: " << DebugPrint(impact.m_speedGroup) << ", ";
|
||
os << "maxspeed: " << (impact.m_maxspeed == kMaxspeedNone ? "none" : std::to_string(impact.m_maxspeed)) << ", ";
|
||
os << "delayMins: " << impact.m_delayMins;
|
||
os << " }";
|
||
return os.str();
|
||
}
|
||
|
||
std::string DebugPrint(Point point)
|
||
{
|
||
std::ostringstream os;
|
||
os << "Point { ";
|
||
os << "coordinates: " << DebugPrint(point.m_coordinates) << ", ";
|
||
os << "distance: " << (point.m_distance ? std::to_string(point.m_distance.value()) : "nullopt") << ", ";
|
||
os << "junctionName: " << point.m_junctionName.value_or("nullopt") << ", ";
|
||
os << "junctionRef: " << point.m_junctionRef.value_or("nullopt");
|
||
os << " }";
|
||
return os.str();
|
||
}
|
||
|
||
std::string DebugPrint(TraffLocation location)
|
||
{
|
||
std::ostringstream os;
|
||
os << "TraffLocation { ";
|
||
os << "from: " << (location.m_from ? DebugPrint(location.m_from.value()) : "nullopt") << ", ";
|
||
os << "at: " << (location.m_at ? DebugPrint(location.m_at.value()) : "nullopt") << ", ";
|
||
os << "via: " << (location.m_via ? DebugPrint(location.m_via.value()) : "nullopt") << ", ";
|
||
os << "to: " << (location.m_to ? DebugPrint(location.m_to.value()) : "nullopt") << ", ";
|
||
os << "notVia: " << (location.m_notVia ? DebugPrint(location.m_notVia.value()) : "nullopt") << ", ";
|
||
// TODO fuzziness (not yet implemented in struct)
|
||
os << "country: " << location.m_country.value_or("nullopt") << ", ";
|
||
os << "territory: " << location.m_territory.value_or("nullopt") << ", ";
|
||
os << "town: " << location.m_town.value_or("nullopt") << ", ";
|
||
os << "roadClass: " << (location.m_roadClass ? DebugPrint(location.m_roadClass.value()) : "nullopt") << ", ";
|
||
os << "roadRef: " << location.m_roadRef.value_or("nullopt") << ", ";
|
||
os << "roadName: " << location.m_roadName.value_or("nullopt") << ", ";
|
||
os << "origin: " << location.m_origin.value_or("nullopt") << ", ";
|
||
os << "destination: " << location.m_destination.value_or("nullopt") << ", ";
|
||
os << "direction: " << location.m_direction.value_or("nullopt") << ", ";
|
||
os << "directionality: " << DebugPrint(location.m_directionality) << ", ";
|
||
os << "ramps: " << DebugPrint(location.m_ramps);
|
||
os << " }";
|
||
return os.str();
|
||
}
|
||
|
||
std::string DebugPrint(TraffEvent event)
|
||
{
|
||
std::ostringstream os;
|
||
os << "TraffEvent { ";
|
||
os << "class: " << DebugPrint(event.m_class) << ", ";
|
||
os << "type: " << DebugPrint(event.m_type) << ", ";
|
||
os << "length: " << (event.m_length ? std::to_string(event.m_length.value()) : "nullopt") << ", ";
|
||
os << "probability: " << (event.m_probability ? std::to_string(event.m_probability.value()) : "nullopt") << ", ";
|
||
os << "q_duration: "
|
||
<< (event.m_qDurationMins
|
||
? std::format("{:1d}:{:02d}", event.m_qDurationMins.value() / 60, event.m_qDurationMins.value() % 60)
|
||
: "nullopt")
|
||
<< ", ";
|
||
// TODO other quantifiers
|
||
os << "speed: " << (event.m_speed ? std::to_string(event.m_speed.value()) : "nullopt");
|
||
// TODO supplementary information
|
||
os << " }";
|
||
return os.str();
|
||
}
|
||
|
||
std::string DebugPrint(TraffMessage message)
|
||
{
|
||
std::string sep;
|
||
std::ostringstream os;
|
||
os << "TraffMessage { ";
|
||
os << "id: " << message.m_id << ", ";
|
||
|
||
os << "replaces: [";
|
||
sep = " ";
|
||
for (auto const & replacedId : message.m_replaces)
|
||
{
|
||
os << sep << replacedId;
|
||
sep = ", ";
|
||
}
|
||
os << " ], ";
|
||
|
||
os << "receiveTime: " << DebugPrint(message.m_receiveTime) << ", ";
|
||
os << "updateTime: " << DebugPrint(message.m_updateTime) << ", ";
|
||
os << "expirationTime: " << DebugPrint(message.m_expirationTime) << ", ";
|
||
os << "startTime: " << (message.m_startTime ? DebugPrint(message.m_startTime.value()) : "nullopt") << ", ";
|
||
os << "endTime: " << (message.m_endTime ? DebugPrint(message.m_endTime.value()) : "nullopt") << ", ";
|
||
os << "cancellation: " << message.m_cancellation << ", ";
|
||
os << "forecast: " << message.m_forecast << ", ";
|
||
// TODO std::optional<Urgency> m_urgency; (not in struct yet)
|
||
os << "location: " << (message.m_location ? DebugPrint(message.m_location.value()) : "nullopt") << ", ";
|
||
|
||
os << "events: [";
|
||
sep = " ";
|
||
for (auto const & event : message.m_events)
|
||
{
|
||
os << sep << DebugPrint(event);
|
||
sep = ", ";
|
||
}
|
||
os << " ]";
|
||
|
||
os << " }";
|
||
return os.str();
|
||
}
|
||
|
||
std::string DebugPrint(TraffFeed feed)
|
||
{
|
||
std::string sep;
|
||
std::ostringstream os;
|
||
os << "[ ";
|
||
sep = "";
|
||
for (auto const & message : feed)
|
||
{
|
||
os << sep << DebugPrint(message);
|
||
sep = ", ";
|
||
}
|
||
os << " ]";
|
||
return os.str();
|
||
}
|
||
} // namespace traffxml
|