#include "qtimezone.h"
#include "qtimezoneprivate_p.h"
#include "private/qlocale_tools_p.h"
#include "private/qlocking_p.h"
#include <QtCore/QDataStream>
#include <QtCore/QDateTime>
#include <QtCore/QDirIterator>
#include <QtCore/QFile>
#include <QtCore/QCache>
#include <QtCore/QMap>
#include <QtCore/QMutex>
#include <qdebug.h>
#include <qplatformdefs.h>
#include <algorithm>
#include <errno.h>
#include <limits.h>
#include <sys/param.h>
#include <unistd.h>

Include dependency graph for qtimezoneprivate_tz.cpp:

Classes
struct	QTzTimeZone

struct	QTzHeader

struct	QTzTransition

struct	QTzType

class	QTzTimeZoneCache

Macros
#define	TZ_MAGIC "TZif"

#define	TZ_MAX_TIMES 1200

#define	TZ_MAX_TYPES 256

#define	TZ_MAX_CHARS 50

#define	TZ_MAX_LEAPS 50

Typedefs
typedef QHash< QByteArray, QTzTimeZone >	QTzTimeZoneHash

Functions
static bool	isTzFile (const QString &name)

static QTzTimeZoneHash	loadTzTimeZones ()

	Q_GLOBAL_STATIC (const QTzTimeZoneHash, tzZones, loadTzTimeZones())

	Q_DECLARE_TYPEINFO (QTzTransition, Q_PRIMITIVE_TYPE)

	Q_DECLARE_TYPEINFO (QTzType, Q_PRIMITIVE_TYPE)

static QTzHeader	parseTzHeader (QDataStream &ds, bool *ok)

static QList< QTzTransition >	parseTzTransitions (QDataStream &ds, int tzh_timecnt, bool longTran)

static QList< QTzType >	parseTzTypes (QDataStream &ds, int tzh_typecnt)

static QMap< int, QByteArray >	parseTzAbbreviations (QDataStream &ds, int tzh_charcnt, const QList< QTzType > &types)

static void	parseTzLeapSeconds (QDataStream &ds, int tzh_leapcnt, bool longTran)

static QList< QTzType >	parseTzIndicators (QDataStream &ds, const QList< QTzType > &types, int tzh_ttisstdcnt, int tzh_ttisgmtcnt)

static QByteArray	parseTzPosixRule (QDataStream &ds)

static QDate	calculateDowDate (int year, int month, int dayOfWeek, int week)

static QDate	calculatePosixDate (const QByteArray &dateRule, int year)

static int	parsePosixTime (const char begin, const char end)

static int	parsePosixTransitionTime (const QByteArray &timeRule)

static int	parsePosixOffset (const char begin, const char end)

static bool	asciiIsLetter (char ch)

static auto	validatePosixRule (const QByteArray &posixRule, bool requireOffset=false)

static QList< QTimeZonePrivate::Data >	calculatePosixTransitions (const QByteArray &posixRule, int startYear, int endYear, qint64 lastTranMSecs)

Macro Definition Documentation

◆ TZ_MAGIC

#define TZ_MAGIC "TZif"

Definition at line 127 of file qtimezoneprivate_tz.cpp.

◆ TZ_MAX_CHARS

#define TZ_MAX_CHARS 50

Definition at line 130 of file qtimezoneprivate_tz.cpp.

◆ TZ_MAX_LEAPS

#define TZ_MAX_LEAPS 50

Definition at line 131 of file qtimezoneprivate_tz.cpp.

◆ TZ_MAX_TIMES

#define TZ_MAX_TIMES 1200

Definition at line 128 of file qtimezoneprivate_tz.cpp.

◆ TZ_MAX_TYPES

#define TZ_MAX_TYPES 256

Definition at line 129 of file qtimezoneprivate_tz.cpp.

Typedef Documentation

◆ QTzTimeZoneHash

typedef QHash<QByteArray, QTzTimeZone> QTzTimeZoneHash

Definition at line 50 of file qtimezoneprivate_tz.cpp.

Function Documentation

◆ asciiIsLetter()

static bool asciiIsLetter ( char ch )

inlinestatic

Definition at line 484 of file qtimezoneprivate_tz.cpp.

References ch.

◆ calculateDowDate()

static QDate calculateDowDate	(	int	year,
		int	month,
		int	dayOfWeek,
		int	week
	)

static

Definition at line 366 of file qtimezoneprivate_tz.cpp.

References QDate::addDays(), date, QDate::dayOfWeek(), and QDate::month().

Referenced by calculatePosixDate().

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◆ calculatePosixDate()

static QDate calculatePosixDate	(	const QByteArray &	dateRule,
		int	year
	)

static

Definition at line 385 of file qtimezoneprivate_tz.cpp.

References QDate::addDays(), QByteArray::at(), QList< T >::at(), calculateDowDate(), QByteArray::isEmpty(), QDate::isLeapYear(), ok, Q_ASSERT, QList< T >::size(), QByteArray::sliced(), QByteArray::split(), and QByteArray::toInt().

Referenced by calculatePosixTransitions(), and validatePosixRule().

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◆ calculatePosixTransitions()

static QList< QTimeZonePrivate::Data > calculatePosixTransitions	(	const QByteArray &	posixRule,
		int	startYear,
		int	endYear,
		qint64	lastTranMSecs
	)

static

Definition at line 611 of file qtimezoneprivate_tz.cpp.

References QTimeZonePrivate::Data::abbreviation, QByteArray::at(), QList< T >::at(), QTimeZonePrivate::Data::atMSecsSinceEpoch, begin(), calculatePosixDate(), QByteArray::constBegin(), QByteArray::constEnd(), QTimeZonePrivate::Data::daylightTimeOffset, QDateTime::First, QString::fromUtf8(), QByteArray::isEmpty(), QDateTime::Last, QTimeZonePrivate::Data::offsetFromUtc, parsePosixTransitionTime(), Q_ASSERT, qBound(), QList< T >::size(), QByteArray::split(), QTimeZonePrivate::Data::standardTimeOffset, and QTimeZone::UTC.

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◆ isTzFile()

static bool isTzFile ( const QString & name )

static

Definition at line 158 of file qtimezoneprivate_tz.cpp.

References file, QFile::open(), QIODevice::read(), QIODeviceBase::ReadOnly, and TZ_MAGIC.

Referenced by loadTzTimeZones().

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◆ loadTzTimeZones()

static QTzTimeZoneHash loadTzTimeZones ( )

static

Definition at line 57 of file qtimezoneprivate_tz.cpp.

References QDir::absoluteFilePath(), QString::at(), QFileDevice::atEnd(), QLocalePrivate::codeToTerritory(), QTzTimeZone::comment, QHash< Key, T >::contains(), cut(), QFile::encodeName(), QFile::exists(), QFileInfo::filePath(), QString::first(), QString::fromUtf8(), QDirIterator::hasNext(), QString::indexOf(), info, QHash< Key, T >::insert(), QFileInfo::isDir(), QString::isEmpty(), QFileInfo::isFile(), QFileInfo::isSymLink(), isTzFile(), line, QDirIterator::nextFileInfo(), QFile::open(), Q_ASSERT, Q_LIKELY, QStringLiteral, QIODevice::readLine(), QIODeviceBase::ReadOnly, QDir::relativeFilePath(), QString::sliced(), QDirIterator::Subdirectories, QTzTimeZone::territory, and text.

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◆ parsePosixOffset()

static int parsePosixOffset	(	const char *	begin,
		const char *	end
	)

static

Definition at line 466 of file qtimezoneprivate_tz.cpp.

References begin(), and parsePosixTime().

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◆ parsePosixTime()

static int parsePosixTime	(	const char *	begin,
		const char *	end
	)

static

Definition at line 423 of file qtimezoneprivate_tz.cpp.

References begin(), and qstrntoll().

Referenced by parsePosixOffset(), parsePosixTransitionTime(), and validatePosixRule().

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◆ parsePosixTransitionTime()

static int parsePosixTransitionTime ( const QByteArray & timeRule )

static

Definition at line 461 of file qtimezoneprivate_tz.cpp.

References QByteArray::constBegin(), QByteArray::constEnd(), and parsePosixTime().

Referenced by calculatePosixTransitions().

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◆ parseTzAbbreviations()

static QMap< int, QByteArray > parseTzAbbreviations	(	QDataStream &	ds,
		int	tzh_charcnt,
		const QList< QTzType > &	types
	)

static

Definition at line 265 of file qtimezoneprivate_tz.cpp.

References QByteArray::append(), ch, i, map, QDataStream::Ok, and QDataStream::status().

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◆ parseTzHeader()

static QTzHeader parseTzHeader	(	QDataStream &	ds,
		bool *	ok
	)

static

Definition at line 166 of file qtimezoneprivate_tz.cpp.

References ch, ok, QDataStream::Ok, QDataStream::readRawData(), QDataStream::status(), TZ_MAGIC, TZ_MAX_CHARS, TZ_MAX_LEAPS, TZ_MAX_TIMES, TZ_MAX_TYPES, QTzHeader::tzh_charcnt, QTzHeader::tzh_leapcnt, QTzHeader::tzh_magic, QTzHeader::tzh_reserved, QTzHeader::tzh_timecnt, QTzHeader::tzh_ttisgmtcnt, QTzHeader::tzh_ttisstdcnt, QTzHeader::tzh_typecnt, and QTzHeader::tzh_version.

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◆ parseTzIndicators()

static QList< QTzType > parseTzIndicators	(	QDataStream &	ds,
		const QList< QTzType > &	types,
		int	tzh_ttisstdcnt,
		int	tzh_ttisgmtcnt
	)

static

Definition at line 321 of file qtimezoneprivate_tz.cpp.

References i, QDataStream::Ok, and QDataStream::status().

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◆ parseTzLeapSeconds()

static void parseTzLeapSeconds	(	QDataStream &	ds,
		int	tzh_leapcnt,
		bool	longTran
	)

static

Definition at line 294 of file qtimezoneprivate_tz.cpp.

References i, QDataStream::Ok, QDataStream::status(), and time.

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◆ parseTzPosixRule()

static QByteArray parseTzPosixRule ( QDataStream & ds )

static

Definition at line 348 of file qtimezoneprivate_tz.cpp.

References ch, QDataStream::Ok, rule, and QDataStream::status().

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◆ parseTzTransitions()

static QList< QTzTransition > parseTzTransitions	(	QDataStream &	ds,
		int	tzh_timecnt,
		bool	longTran
	)

static

Definition at line 210 of file qtimezoneprivate_tz.cpp.

References i, QDataStream::Ok, QList< T >::resize(), and QDataStream::status().

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◆ parseTzTypes()

static QList< QTzType > parseTzTypes	(	QDataStream &	ds,
		int	tzh_typecnt
	)

static

Definition at line 243 of file qtimezoneprivate_tz.cpp.

References i, QDataStream::Ok, and QDataStream::status().

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◆ Q_DECLARE_TYPEINFO() [1/2]

Q_DECLARE_TYPEINFO	(	QTzTransition	,
		Q_PRIMITIVE_TYPE
	)

◆ Q_DECLARE_TYPEINFO() [2/2]

Q_DECLARE_TYPEINFO	(	QTzType	,
		Q_PRIMITIVE_TYPE
	)

◆ Q_GLOBAL_STATIC()

Q_GLOBAL_STATIC	(	const QTzTimeZoneHash	,
		tzZones	,
		loadTzTimeZones()
	)

◆ validatePosixRule()

static auto validatePosixRule	(	const QByteArray &	posixRule,
		bool	requireOffset = `false`
	)

static

Definition at line 563 of file qtimezoneprivate_tz.cpp.

References QByteArray::at(), QByteArray::begin(), begin(), calculatePosixDate(), QByteArray::end(), i, QByteArray::isEmpty(), QDate::isValid(), parsePosixTime(), QList< T >::size(), QByteArray::split(), and time.

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Classes

Macros

Typedefs

Functions

Macro Definition Documentation

◆ TZ_MAGIC

◆ TZ_MAX_CHARS

◆ TZ_MAX_LEAPS

◆ TZ_MAX_TIMES

◆ TZ_MAX_TYPES

Typedef Documentation

◆ QTzTimeZoneHash

Function Documentation

◆ asciiIsLetter()

◆ calculateDowDate()

◆ calculatePosixDate()

◆ calculatePosixTransitions()

◆ isTzFile()

◆ loadTzTimeZones()

◆ parsePosixOffset()

◆ parsePosixTime()

◆ parsePosixTransitionTime()

◆ parseTzAbbreviations()

◆ parseTzHeader()

◆ parseTzIndicators()

◆ parseTzLeapSeconds()

◆ parseTzPosixRule()

◆ parseTzTransitions()

◆ parseTzTypes()

◆ Q_DECLARE_TYPEINFO() [1/2]

◆ Q_DECLARE_TYPEINFO() [2/2]

◆ Q_GLOBAL_STATIC()

◆ validatePosixRule()