Warning, file /frameworks/kholidays/src/parsers/plan2/holidayparserdriverplan.cpp was not indexed or was modified since last indexation (in which case cross-reference links may be missing, inaccurate or erroneous).

 /*
     Original version from plan:
         SPDX-FileCopyrightText: Thomas Driemeyer <thomas@bitrot.de>
 
     Adapted for use in KOrganizer:
         SPDX-FileCopyrightText: Preston Brown <pbrown@kde.org>
         SPDX-FileCopyrightText: Reinhold Kainhofer <reinhold@kainhofer.com>
 
     Portions contributed:
         SPDX-FileCopyrightText: Peter Littlefield <plittle@sofkin.ca>
         SPDX-FileCopyrightText: Armin Liebl <liebla@informatik.tu-muenchen.de>
         SPDX-FileCopyrightText: Efthimios Mavrogeorgiadis <emav@enl.auth.gr>
         SPDX-FileCopyrightText: Erwin Hugo Achermann <acherman@inf.ethz.ch>
 
     Major rewrite using Bison C++ skeleton:
         SPDX-FileCopyrightText: 2010 John Layt <john@layt.net>
 
     SPDX-License-Identifier: LGPL-2.0-or-later
 */
 
 #include "holiday_p.h"
 #include "holidayparserdriverplan_p.h"
 #include "holidayparserplan.hpp"
 #include "holidayscannerplan_p.h"
 #include <kholidays_debug.h>
 
 #include <QFileInfo>
 
 #include <sstream>
 
 #define LAST 99999
 #define ANY (-99999)
 #define BEFORE (-1)
 #define AFTER 1
 
 using namespace KHolidays;
 
 HolidayParserDriverPlan::HolidayParserDriverPlan(const QString &planFilePath)
     : HolidayParserDriver(planFilePath)
     , m_traceParsing(false)
     , m_traceScanning(false)
     , m_parseMetadataOnly(false)
     , m_eventYear(0)
     , m_eventMonth(0)
     , m_eventDay(0)
 {
     QFile holidayFile(filePath());
     if (holidayFile.open(QIODevice::ReadOnly)) {
         m_scanData = holidayFile.readAll();
         holidayFile.close();
     }
     m_scanner = new HolidayScannerPlan();
     m_scanner->set_debug(m_traceScanning);
     m_parser = new HolidayParserPlan(*this);
     m_parser->set_debug_level(m_traceParsing);
     m_fileToParse = new std::string(filePath().toLocal8Bit().data());
     parseMetadata();
 }
 
 HolidayParserDriverPlan::~HolidayParserDriverPlan()
 {
     delete m_parser;
     delete m_scanner;
     delete m_fileToParse;
 }
 
 // TODO Figure why it doesn't compile
 void HolidayParserDriverPlan::error(const KHolidays::location &errorLocation, const QString &errorMessage)
 {
     Q_UNUSED(errorLocation);
     // std::cerr << errorLocation << " : " << errorMessage;  //Doesn't work???
     // qDebug() << errorLocation << " : " << errorMessage;  //Doesn't work???
     qCDebug(KHOLIDAYS_LOG) << errorMessage;
 }
 
 void HolidayParserDriverPlan::error(const QString &errorMessage)
 {
     qCDebug(KHOLIDAYS_LOG) << errorMessage;
 }
 
 void HolidayParserDriverPlan::parse()
 {
     // Parse the file using every calendar system in the file
     for (const QString &calendarType : std::as_const(m_fileCalendarTypes)) {
         // Cater for events defined in other Calendar Systems where request year could cover 2 or 3 event years
         // Perhaps also parse year before and year after to allow events to span years or shift to other year?
         setParseCalendar(calendarType);
         setParseStartEnd();
 
         // Generate all events for this calendar in the required year(s)
         for (m_parseYear = m_parseStartYear; m_parseYear <= m_parseEndYear; ++m_parseYear) {
             m_parseYearStart = m_parseCalendar.firstDayOfYear(m_parseYear);
             m_parseYearEaster = easter(m_parseYear);
             m_parseYearPascha = pascha(m_parseYear);
 
             std::istringstream iss2(std::string(m_scanData.data()));
             m_scanner->yyrestart(&iss2);
 
             m_parser->parse();
         }
     }
 }
 
 void HolidayParserDriverPlan::parseMetadata()
 {
     m_parseMetadataOnly = true;
     m_fileCountryCode.clear();
     m_fileLanguageCode.clear();
     m_fileName.clear();
     m_fileDescription.clear();
     m_fileCalendarTypes.clear();
     m_fileCalendarTypes.append(QStringLiteral("gregorian"));
 
     // Default to files internal metadata
     setParseCalendar(QStringLiteral("gregorian"));
     m_parseYear = QDate::currentDate().year();
     std::istringstream iss2(std::string(m_scanData.data()));
     m_scanner->yyrestart(&iss2);
     m_parser->parse();
     m_resultList.clear();
 
     // If not populated, then use filename metadata, this may change later
     // metadata is encoded in filename in form holiday_<region>_<type>_<language>_<name>
     // with region, type and language sub groups separated by -, and with name optional
     QFileInfo file(m_filePath);
     if (file.exists()) {
         QStringList metadata = file.fileName().split(QLatin1Char('_'));
         if (metadata[0] == QLatin1String("holiday") && metadata.count() > 2) {
             if (m_fileCountryCode.isEmpty()) {
                 setFileCountryCode(metadata[1].toUpper());
             }
             if (m_fileLanguageCode.isEmpty()) {
                 QStringList language = metadata[2].split(QLatin1Char('-'));
                 m_fileLanguageCode = language[0];
                 if (language.count() > 1) {
                     setFileLanguageCode(language[0].append(QLatin1Char('_')).append(language[1].toUpper()));
                 } else {
                     setFileLanguageCode(language[0]);
                 }
             }
             if (m_fileLanguageCode.isEmpty() && metadata.count() > 3) {
                 m_fileName = metadata[3];
             }
         }
     }
 
     m_parseMetadataOnly = false;
 }
 
 void HolidayParserDriverPlan::setParseCalendar(QCalendarSystem::CalendarSystem calendar)
 {
     m_parseCalendarType = systemToType(calendar);
     HolidayParserDriver::setParseCalendar(calendar);
 }
 
 QString HolidayParserDriverPlan::filePath()
 {
     return m_filePath;
 }
 
 std::string *HolidayParserDriverPlan::fileToParse() const
 {
     return m_fileToParse;
 }
 
 /*****************************************
   Calendar and Date convenience routines
 ******************************************/
 
 // Adjust month numbering for Hebrew civil calendar leap month
 int HolidayParserDriverPlan::adjustedMonthNumber(int month)
 {
     if (m_eventCalendarType != QLatin1String("hebrew") || // Only adjust Hebrew months
         m_parseCalendarType != QLatin1String("hebrew") || !m_parseCalendar.isLeapYear(m_parseYear) || // Only adjust in leap year
         month < 6) { // Only adjust from Adar onwards
         return month;
     }
 
     if (month == 13) { // Adar I
         return 6;
     }
 
     if (month == 14) { // Adar II
         return 7;
     }
 
     return month + 1; // Inserting Adar I moves other months up by 1
 }
 
 bool HolidayParserDriverPlan::isLeapYear(int year)
 {
     return m_parseCalendar.isLeapYear(year);
 }
 
 int HolidayParserDriverPlan::parseYear()
 {
     return m_parseYear;
 }
 
 int HolidayParserDriverPlan::julianDay(int year, int month, int day)
 {
     return m_parseCalendar.date(year, month, day).toJulianDay();
 }
 
 void HolidayParserDriverPlan::julianDayToDate(int jd, int *year, int *month, int *day)
 {
     QDate tempDate = QDate::fromJulianDay(jd);
 
     if (year) {
         *year = m_parseCalendar.year(tempDate);
     }
     if (month) {
         *month = m_parseCalendar.month(tempDate);
     }
     if (day) {
         *day = m_parseCalendar.day(tempDate);
     }
 }
 
 QDate HolidayParserDriverPlan::easter(int year)
 {
     if (m_parseCalendar.calendarSystem() != QCalendarSystem::GregorianCalendar) {
         return QDate();
     }
     if (year < 0) {
         return QDate();
     }
 
     // Algorithm taken from Tondering
     // https://www.tondering.dk/claus/cal/easter.php
     int g = year % 19;
     int c = year / 100;
     int h = (c - (c / 4) - (((8 * c) + 13) / 25) + (19 * g) + 15) % 30;
     int i = h - ((h / 28) * (1 - ((29 / (h + 1)) * ((21 - g) / 11))));
     int j = (year + (year / 4) + i + 2 - c + (c / 4)) % 7;
     int l = i - j;
     int month = 3 + ((l + 40) / 44);
     int day = l + 28 - (31 * (month / 4));
 
     return QDate::fromJulianDay(julianDay(year, month, day));
 }
 
 QDate HolidayParserDriverPlan::pascha(int year)
 {
     if (year < 0) {
         return QDate();
     }
 
     if (m_parseCalendar.calendarSystem() == QCalendarSystem::GregorianCalendar || m_parseCalendar.calendarSystem() == QCalendarSystem::JulianCalendar) {
         // Algorithm taken from Tondering
         // https://www.tondering.dk/claus/cal/easter.php#orthodoxeast
         // Gives Orthodox Easter in the Julian Calendar, need to convert afterwards to Gregorian if needed
         int g = year % 19;
         int i = ((19 * g) + 15) % 30;
         int j = (year + (year / 4) + i) % 7;
         int l = i - j;
         int month = 3 + ((l + 40) / 44);
         int day = l + 28 - (31 * (month / 4));
 
         if (m_parseCalendar.calendarSystem() == QCalendarSystem::JulianCalendar) {
             return QDate::fromJulianDay(julianDay(year, month, day));
         }
 
         if (m_parseCalendar.calendarSystem() == QCalendarSystem::GregorianCalendar) {
             setParseCalendar(QStringLiteral("julian"));
             int paschaJd = julianDay(year, month, day);
             setParseCalendar(QStringLiteral("gregorian"));
             return QDate::fromJulianDay(paschaJd);
         }
     }
 
     return QDate();
 }
 
 QCalendarSystem::CalendarSystem HolidayParserDriverPlan::typeToSystem(const QString &calendarType)
 {
     if (calendarType == QStringLiteral("gregorian")) {
         return QCalendarSystem::GregorianCalendar;
     } else if (calendarType == QStringLiteral("hebrew")) {
         return QCalendarSystem::HebrewCalendar;
     } else if (calendarType == QStringLiteral("hijri")) {
         return QCalendarSystem::IslamicCivilCalendar;
     } else if (calendarType == QStringLiteral("jalali")) {
         return QCalendarSystem::PersianCalendar;
     } else if (calendarType == QStringLiteral("julian")) {
         return QCalendarSystem::JulianCalendar;
     } else if (calendarType == QStringLiteral("coptic")) {
         return QCalendarSystem::CopticCalendar;
     } else if (calendarType == QStringLiteral("ethiopian")) {
         return QCalendarSystem::EthiopicCalendar;
     } else if (calendarType == QStringLiteral("indiannational")) {
         return QCalendarSystem::IndianNationalCalendar;
     }
     return QCalendarSystem::GregorianCalendar;
 }
 
 QString HolidayParserDriverPlan::systemToType(QCalendarSystem::CalendarSystem calendar)
 {
     switch (calendar) {
     case QCalendarSystem::GregorianCalendar:
         return QStringLiteral("gregorian");
     case QCalendarSystem::HebrewCalendar:
         return QStringLiteral("hebrew");
     case QCalendarSystem::IslamicCivilCalendar:
         return QStringLiteral("hijri");
     case QCalendarSystem::PersianCalendar:
         return QStringLiteral("jalali");
     case QCalendarSystem::JulianCalendar:
         return QStringLiteral("julian");
     case QCalendarSystem::CopticCalendar:
         return QStringLiteral("coptic");
     case QCalendarSystem::EthiopicCalendar:
         return QStringLiteral("ethiopian");
     case QCalendarSystem::IndianNationalCalendar:
         return QStringLiteral("indiannational");
     default:
         return QStringLiteral("gregorian");
     }
 }
 
 /*************************
  * Calculate jd routines *
  *************************/
 
 // Return the jd of an existing event, assumes unique names and correct order in file
 int HolidayParserDriverPlan::julianDayFromEventName(const QString &eventName)
 {
     for (const KHolidays::Holiday &thisHoliday : std::as_const(m_resultList)) {
         if (thisHoliday.name() == eventName) {
             return thisHoliday.observedStartDate().toJulianDay();
         }
     }
     return -1;
 }
 
 // Return jd of Easter if Gregorian
 int HolidayParserDriverPlan::julianDayFromEaster()
 {
     if (m_eventCalendarType == QLatin1String("gregorian")) {
         return m_parseYearEaster.toJulianDay();
     } else {
         error(QStringLiteral("Can only use Easter in Gregorian event rule"));
         return -1;
     }
 }
 
 // Return jd of Orthodox Easter if Gregorian or Julian
 int HolidayParserDriverPlan::julianDayFromPascha()
 {
     if (m_eventCalendarType == QLatin1String("gregorian") || m_eventCalendarType == QLatin1String("julian")) {
         return m_parseYearPascha.toJulianDay();
     } else {
         error(QStringLiteral("Can only use Easter in Gregorian or Julian event rule"));
         return -1;
     }
 }
 
 // Return jd of weekday from a month/day in parse year
 int HolidayParserDriverPlan::julianDayFromMonthDay(int month, int day)
 {
     return julianDay(m_parseYear, month, day);
 }
 
 // Return jd of weekday relative to a Julian Day number
 int HolidayParserDriverPlan::julianDayFromRelativeWeekday(int occurrence, int weekday, int jd)
 {
     if (occurrence == ANY) { /* Should never get this, convert to AFTER instead */
         occurrence = AFTER;
     }
 
     int thisWeekday = m_parseCalendar.dayOfWeek(QDate::fromJulianDay(jd));
 
     /* AFTER actually means on or after */
     /* BEFORE actually means on or before */
     if (occurrence > 0) {
         occurrence = occurrence - 1;
     } else if (occurrence < 0 && weekday == thisWeekday) {
         occurrence = occurrence + 1;
     }
 
     if (weekday < thisWeekday) {
         occurrence = occurrence + 1;
     }
 
     return jd + weekday - thisWeekday + (occurrence * 7);
 }
 
 // Return jd of weekday occurrence in a given month and day in the parse year
 int HolidayParserDriverPlan::julianDayFromWeekdayInMonth(int occurrence, int weekday, int month)
 {
     if (occurrence == LAST) { // Is weekday on or before last day of month
         return julianDayFromRelativeWeekday(BEFORE, weekday, julianDay(m_parseYear, month, m_parseCalendar.daysInMonth(m_parseYear, month)));
     } else { // Is nth weekday on or after first day of month
         return julianDayFromRelativeWeekday(occurrence, weekday, julianDay(m_parseYear, month, 1));
     }
 }
 
 /****************************************************
  * Set parsed event variables convenience functions *
  ****************************************************/
 
 void HolidayParserDriverPlan::setParseCalendar(const QString &calendarType)
 {
     m_parseCalendarType = calendarType;
     setParseCalendar(typeToSystem(calendarType));
 }
 
 void HolidayParserDriverPlan::setFileCountryCode(const QString &countryCode)
 {
     m_fileCountryCode = countryCode;
 }
 
 void HolidayParserDriverPlan::setFileLanguageCode(const QString &languageCode)
 {
     m_fileLanguageCode = languageCode;
 }
 
 void HolidayParserDriverPlan::setFileName(const QString &name)
 {
     m_fileName = name;
 }
 
 void HolidayParserDriverPlan::setFileDescription(const QString &description)
 {
     m_fileDescription = description;
 }
 
 void HolidayParserDriverPlan::setEventName(const QString &eventName)
 {
     // Assume if setting an event name then is start of new event line, so clear categories
     m_eventCategories.clear();
     m_eventName = eventName;
 }
 
 void HolidayParserDriverPlan::setEventCategory(const QString &category)
 {
     m_eventCategories.append(category);
 }
 
 void HolidayParserDriverPlan::setEventCalendarType(const QString &calendarType)
 {
     m_eventCalendarType = calendarType;
     if (m_parseMetadataOnly && !m_fileCalendarTypes.contains(calendarType)) {
         m_fileCalendarTypes.append(calendarType);
     }
 }
 
 void HolidayParserDriverPlan::setEventDate(int eventYear, int eventMonth, int eventDay)
 {
     m_eventYear = eventYear;
     m_eventMonth = eventMonth;
     m_eventDay = eventDay;
 }
 
 void HolidayParserDriverPlan::setEventDate(int jd)
 {
     julianDayToDate(jd, &m_eventYear, &m_eventMonth, &m_eventDay);
 }
 
 /********************************************
  * Set event date from event rules routines *
  ********************************************/
 
 /*
  * Set event by weekday (Monday..Sunday). The rule expression is
  * "every <occurrence> <weekday> of <month> plus <offset> days length <duration> days".
  * Occurrence and month can be ANY or LAST, offset and duration are optional.
  */
 
 void HolidayParserDriverPlan::setFromWeekdayInMonth(int occurrence, int weekday, int month, int offset, int duration)
 {
     // Don't set if only parsing metadata or calendar for event rule is not the current parse calendar
     if (m_parseMetadataOnly || m_eventCalendarType != m_parseCalendarType) {
         return;
     }
 
     int startMonth, endMonth;
     if (month == LAST) {
         startMonth = m_parseCalendar.monthsInYear(m_parseYear);
         endMonth = startMonth;
     } else if (month == ANY) {
         startMonth = 1;
         endMonth = m_parseCalendar.monthsInYear(m_parseYear);
     } else {
         startMonth = month;
         endMonth = month;
     }
 
     // Generate all events in the required event month(s)
     for (int thisMonth = startMonth; thisMonth <= endMonth; ++thisMonth) {
         if (m_parseCalendar.isValid(m_parseYear, thisMonth, 1)) {
             int startOccurrence, endOccurrence;
             if (occurrence == ANY) { // Generate 1st through 5th weekdays, assumes no month with > 35 days
                 startOccurrence = 1;
                 endOccurrence = 5;
             } else { // Generate just nth or LAST weekday
                 startOccurrence = occurrence;
                 endOccurrence = occurrence;
             }
 
             int jdMonthStart = julianDay(m_parseYear, thisMonth, 1);
             int jdMonthEnd = julianDay(m_parseYear, thisMonth, m_parseCalendar.daysInMonth(m_parseYear, thisMonth));
 
             // Generate each required occurrence of weekday in month, check occurrence actually falls in month
             for (int thisOccurrence = startOccurrence; thisOccurrence <= endOccurrence; ++thisOccurrence) {
                 int thisJd = julianDayFromWeekdayInMonth(thisOccurrence, weekday, thisMonth);
                 if (thisJd >= jdMonthStart && thisJd <= jdMonthEnd) {
                     setEvent(thisJd + offset, 0, duration);
                 }
             }
         }
     }
 }
 
 /*
  * Set event by weekday (Monday..Sunday) relative to a date. The expression is
  * "<weekday> <occurrence> <date> plus <offset> days length <duration> days".
  * Occurrence, month and day can be ANY or LAST, year can be ANY, offset and duration are optional.
  */
 
 void HolidayParserDriverPlan::setFromRelativeWeekday(int occurrence, int weekday, int offset, int duration)
 {
     // Don't set if only parsing metadata or calendar for event rule is not the current parse calendar
     if (m_parseMetadataOnly || m_eventCalendarType != m_parseCalendarType) {
         return;
     }
 
     int thisYear;
     if (m_eventYear == ANY) { // Generate the parse year
         thisYear = m_parseYear;
     } else { // Generate a specific event year
         thisYear = m_eventYear;
     }
 
     int startMonth, endMonth;
     if (m_eventMonth == LAST) { // Generate just the last month
         startMonth = m_parseCalendar.monthsInYear(thisYear);
         endMonth = startMonth;
     } else if (m_eventMonth == ANY) { // Generate every month
         startMonth = 1;
         endMonth = m_parseCalendar.monthsInYear(thisYear);
     } else { // Generate just the specific event month
         startMonth = m_eventMonth;
         endMonth = m_eventMonth;
     }
 
     // Generate all events in the required month(s)
     int thisMonth;
     for (thisMonth = startMonth; thisMonth <= endMonth; ++thisMonth) {
         int startDay, endDay;
         if (m_eventDay == LAST) { // Generate just the last day in the month
             startDay = m_parseCalendar.daysInMonth(thisYear, thisMonth);
             endDay = startDay;
         } else if (m_eventDay == ANY) { // Generate every day in the month
             startDay = 1;
             endDay = m_parseCalendar.daysInMonth(thisYear, thisMonth);
         } else { // Generate just the specific event day
             startDay = m_eventDay;
             endDay = m_eventDay;
         }
 
         // Generate all events on the required day(s)
         for (int thisDay = startDay; thisDay <= endDay; ++thisDay) {
             if (m_parseCalendar.isValid(thisYear, thisMonth, thisDay)) {
                 int relativeJd = julianDayFromRelativeWeekday(occurrence, weekday, julianDay(thisYear, thisMonth, thisDay));
                 setEvent(relativeJd + offset, 0, duration);
             }
         }
     }
 }
 
 // TODO Figure out how this works :-)
 int HolidayParserDriverPlan::conditionalOffset(int year, int month, int day, int condition)
 {
     /** The encoding of the condition is:
           8 lower bits: conditions to shift (bit-register, bit 1=mon, ..., bit 7=sun)
           8 higher bits: weekday to shift to (bit-register, bit 1=mon, ..., bit 7=sun)
     */
 
     int offset = 0;
 
     int weekday = m_parseCalendar.dayOfWeek(year, month, day);
 
     if (condition & (1 << weekday)) {
         /* condition matches -> higher 8 bits contain the possible days to shift to */
         int to = (condition >> 8);
         while (!(to & (1 << ((weekday + offset) % 7))) && (offset < 8)) {
             ++offset;
         }
     }
 
     if (offset >= 8) {
         offset = 0;
     }
 
     return offset;
 }
 
 /*
  * Set event by date. The expression is
  * "<date> plus <offset> days shift <condition> length <duration> days".
  * Occurrence, month and day can be ANY or LAST, year can be ANY, offset and duration are optional.
  */
 
 void HolidayParserDriverPlan::setFromDate(int offset, int condition, int duration)
 {
     // Don't set if only parsing metadata or calendar for event rule is not the current parse calendar
     if (m_parseMetadataOnly || m_eventCalendarType != m_parseCalendarType) {
         return;
     }
 
     int thisYear;
     if (m_eventYear == ANY) { // Generate the parse year
         thisYear = m_parseYear;
     } else { // Generate a specific event year
         thisYear = m_eventYear;
     }
 
     int startMonth, endMonth;
     if (m_eventMonth == LAST) { // Generate just the last month
         startMonth = m_parseCalendar.monthsInYear(thisYear);
         endMonth = startMonth;
     } else if (m_eventMonth == ANY) { // Generate every month
         startMonth = 1;
         endMonth = m_parseCalendar.monthsInYear(thisYear);
     } else { // Generate just the specific event month
         startMonth = m_eventMonth;
         endMonth = m_eventMonth;
     }
 
     // Generate all events in the required month(s)
     for (int thisMonth = startMonth; thisMonth <= endMonth; ++thisMonth) {
         int startDay, endDay;
         if (m_eventDay == LAST) { // Generate just the last day in the month
             startDay = m_parseCalendar.daysInMonth(thisYear, thisMonth);
             endDay = startDay;
         } else if (m_eventDay == ANY) { // Generate every day in the month
             startDay = 1;
             endDay = m_parseCalendar.daysInMonth(thisYear, thisMonth);
         } else { // Generate just the specific event day
             startDay = m_eventDay;
             endDay = m_eventDay;
         }
 
         // Generate all events on the required day(s)
         for (int thisDay = startDay; thisDay <= endDay; ++thisDay) {
             if (m_parseCalendar.isValid(thisYear, thisMonth, thisDay)) {
                 setEvent(julianDay(thisYear, thisMonth, thisDay) + offset, //
                          conditionalOffset(thisYear, thisMonth, thisDay, condition), //
                          duration);
             }
         }
     }
 }
 
 /*
  * Set event relative to Easter. The expression is
  * "EASTER plus <offset> days length <duration> days".
  * Offset and duration are optional.
  */
 
 void HolidayParserDriverPlan::setFromEaster(int offset, int duration)
 {
     // Don't set if only parsing metadata or calendar for event rule is not the current parse calendar
     if (m_parseMetadataOnly || m_eventCalendarType != m_parseCalendarType) {
         return;
     }
 
     if (m_eventCalendarType == QLatin1String("gregorian")) {
         setEvent(m_parseYearEaster.toJulianDay() + offset, 0, duration);
     } else {
         error(QStringLiteral("Can only use Easter in Gregorian event rule"));
     }
 }
 
 /*
  * Set event relative to Pascha. The expression is
  * "PASCHA plus <offset> days length <duration> days".
  * Offset and duration are optional.
  */
 
 void HolidayParserDriverPlan::setFromPascha(int offset, int duration)
 {
     // Don't set if only parsing metadata or calendar for event rule is not the current parse calendar
     if (m_parseMetadataOnly || m_eventCalendarType != m_parseCalendarType) {
         return;
     }
 
     if (m_eventCalendarType == QLatin1String("gregorian") || m_eventCalendarType == QLatin1String("julian")) {
         setEvent(m_parseYearPascha.toJulianDay(), offset, duration);
     } else {
         error(QStringLiteral("Can only use Pascha in Julian and Gregorian event rule"));
     }
 }
 
 // Set the event if it falls inside the requested date range
 void HolidayParserDriverPlan::setEvent(int jd, int observeOffset, int duration)
 {
     // Don't set if only parsing metadata or calendar for event rule is not the current parse calendar
     if (m_parseMetadataOnly || m_eventCalendarType != m_parseCalendarType) {
         return;
     }
 
     // Date the holiday will be observed on
     int observeJd = jd + observeOffset;
 
     addHoliday(QDate::fromJulianDay(observeJd), duration);
 }
 
 void HolidayParserDriverPlan::addHoliday(const QDate &observedDate, int duration)
 {
     // Only set if event falls in requested date range, i.e. either starts or ends during range
     if (m_parseCalendar.isValid(observedDate) //
         && observedDate <= m_requestEnd //
         && observedDate.addDays(duration - 1) >= m_requestStart) {
         KHolidays::Holiday holiday;
         holiday.d->mObservedDate = observedDate;
         holiday.d->mDuration = duration;
         holiday.d->mName = m_eventName;
         holiday.d->mDescription = m_eventName;
         holiday.d->mCategoryList = m_eventCategories;
         if (m_eventCategories.contains(QStringLiteral("public"))) {
             holiday.d->mDayType = KHolidays::Holiday::NonWorkday;
         } else {
             holiday.d->mDayType = KHolidays::Holiday::Workday;
         }
         m_resultList.append(holiday);
     }
 }