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qtimezoneprivate_tz.cpp File Reference

(91d08dd41f40ce44bce7ab2e1a00c49d9b4e2d11)

#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/QDirListing>
#include <QtCore/QDir>
#include <QtCore/QFile>
#include <QtCore/QCache>
#include <QtCore/QMap>
#include <QtCore/QMutex>
#include <qdebug.h>
#include <qplatformdefs.h>
#include <algorithm>
#include <memory>
#include <errno.h>
#include <limits.h>
#include <sys/param.h>
#include <unistd.h>
Include dependency graph for qtimezoneprivate_tz.cpp:

Go to the source code of this file.

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 bool openZoneInfo (const QString &name, QFile *file)
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 std::optional< QList< QTzTransition > > parseTzTransitions (QDataStream &ds, int tzh_timecnt, int tzh_typecnt, 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 (QLatin1StringView dateRule, int year)
static int parsePosixTime (const char *begin, const char *end)
static int parsePosixTransitionTime (QLatin1StringView timeRule)
static int parsePosixOffset (const char *begin, const char *end)
static bool asciiIsLetter (char ch)
static bool asciiIsQuotedNameChar (char ch)
static auto validatePosixRule (QByteArrayView 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 153 of file qtimezoneprivate_tz.cpp.

◆ TZ_MAX_CHARS

#define TZ_MAX_CHARS   50

Definition at line 156 of file qtimezoneprivate_tz.cpp.

◆ TZ_MAX_LEAPS

#define TZ_MAX_LEAPS   50

Definition at line 157 of file qtimezoneprivate_tz.cpp.

◆ TZ_MAX_TIMES

#define TZ_MAX_TIMES   1200

Definition at line 154 of file qtimezoneprivate_tz.cpp.

◆ TZ_MAX_TYPES

#define TZ_MAX_TYPES   256

Definition at line 155 of file qtimezoneprivate_tz.cpp.

Typedef Documentation

◆ QTzTimeZoneHash

typedef QHash< QByteArray, QTzTimeZone > QTzTimeZoneHash

Definition at line 51 of file qtimezoneprivate_tz.cpp.

Function Documentation

◆ asciiIsLetter()

bool asciiIsLetter ( char ch)
inlinestatic

Definition at line 524 of file qtimezoneprivate_tz.cpp.

Referenced by asciiIsQuotedNameChar().

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◆ asciiIsQuotedNameChar()

bool asciiIsQuotedNameChar ( char ch)
inlinestatic

Definition at line 531 of file qtimezoneprivate_tz.cpp.

References asciiIsLetter().

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◆ calculateDowDate()

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

Definition at line 397 of file qtimezoneprivate_tz.cpp.

◆ calculatePosixDate()

QDate calculatePosixDate ( QLatin1StringView dateRule,
int year )
static

Definition at line 416 of file qtimezoneprivate_tz.cpp.

◆ calculatePosixTransitions()

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

Definition at line 684 of file qtimezoneprivate_tz.cpp.

◆ isTzFile()

bool isTzFile ( const QString & name)
static

Definition at line 184 of file qtimezoneprivate_tz.cpp.

◆ loadTzTimeZones()

QTzTimeZoneHash loadTzTimeZones ( )
static

Definition at line 86 of file qtimezoneprivate_tz.cpp.

◆ openZoneInfo()

bool openZoneInfo ( const QString & name,
QFile * file )
static

Definition at line 56 of file qtimezoneprivate_tz.cpp.

◆ parsePosixOffset()

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

Definition at line 502 of file qtimezoneprivate_tz.cpp.

References parsePosixTime().

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◆ parsePosixTime()

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

Definition at line 459 of file qtimezoneprivate_tz.cpp.

Referenced by parsePosixOffset().

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◆ parsePosixTransitionTime()

int parsePosixTransitionTime ( QLatin1StringView timeRule)
static

Definition at line 497 of file qtimezoneprivate_tz.cpp.

◆ parseTzAbbreviations()

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

Definition at line 295 of file qtimezoneprivate_tz.cpp.

◆ parseTzHeader()

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

Definition at line 192 of file qtimezoneprivate_tz.cpp.

◆ parseTzIndicators()

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

Definition at line 352 of file qtimezoneprivate_tz.cpp.

◆ parseTzLeapSeconds()

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

Definition at line 325 of file qtimezoneprivate_tz.cpp.

◆ parseTzPosixRule()

QByteArray parseTzPosixRule ( QDataStream & ds)
static

Definition at line 379 of file qtimezoneprivate_tz.cpp.

◆ parseTzTransitions()

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

Definition at line 237 of file qtimezoneprivate_tz.cpp.

◆ parseTzTypes()

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

Definition at line 273 of file qtimezoneprivate_tz.cpp.

◆ 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()

auto validatePosixRule ( QByteArrayView posixRule,
bool requireOffset = false )
static

Definition at line 621 of file qtimezoneprivate_tz.cpp.