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ICU 77.1: i18n/unicode/datefmt.h Source File

DateTimePatternGenerator;

kDateOffset = kShort + 1,

kDateTimeOffset = kDateTime + 1,

kRelative = (1 << 7),

kFullRelative = (kFull | kRelative),

kLongRelative = kLong | kRelative,

kMediumRelative = kMedium | kRelative,

kShortRelative = kShort | kRelative,

DATE_OFFSET = kDateOffset,

DATE_TIME = kDateTime

& aLocale = Locale::getDefault());

& aLocale = Locale::getDefault());

timeStyle = kDefault,

& aLocale = Locale::getDefault());

EnumSet<UDateFormatBooleanAttribute, 0, UDAT_BOOLEAN_ATTRIBUTE_COUNT> fBoolFlags;

DateFmtKeyByStyle;

C++ API: Calendar object.

Calendar is an abstract base class for converting between a UDate object and a set of integer fields ...

DateFormat is an abstract class for a family of classes that convert dates and times from their inter...

static DateFormat * createInstanceForSkeleton(Calendar *calendarToAdopt, const UnicodeString &skeleton, const Locale &locale, UErrorCode &status)

Creates a date/time formatter for the given skeleton and locale.

virtual UBool getBooleanAttribute(UDateFormatBooleanAttribute attr, UErrorCode &status) const

Returns a boolean from this DateFormat May return U_UNSUPPORTED_ERROR if this instance does not suppo...

static const Locale * getAvailableLocales(int32_t &count)

Gets the set of locales for which DateFormats are installed.

virtual UDate parse(const UnicodeString &text, UErrorCode &status) const

Parse a date/time string.

DateFormat()

Default constructor.

static DateFormat * createInstance()

Create a default date/time formatter that uses the SHORT style for both the date and the time.

virtual DateFormat * clone() const override=0

Clones this object polymorphically.

virtual bool operator==(const Format &) const override

Equality operator.

virtual ~DateFormat()

Destructor.

Calendar * fCalendar

The calendar that DateFormat uses to produce the time field values needed to implement date/time form...

static UnicodeString getBestPattern(const Locale &locale, const UnicodeString &skeleton, UErrorCode &status)

Returns the best pattern given a skeleton and locale.

NumberFormat * fNumberFormat

The number formatter that DateFormat uses to format numbers in dates and times.

virtual UnicodeString & format(Calendar &cal, UnicodeString &appendTo, FieldPosition &fieldPosition) const =0

Formats a date into a date/time string.

virtual const NumberFormat * getNumberFormat() const

Gets the number formatter which this date/time formatter uses to format and parse the numeric portion...

virtual void parseObject(const UnicodeString &source, Formattable &result, ParsePosition &parse_pos) const override

Parse a string to produce an object.

static DateFormat * createInstanceForSkeleton(const UnicodeString &skeleton, UErrorCode &status)

Creates a date/time formatter for the given skeleton and default locale.

virtual const Calendar * getCalendar() const

Gets the calendar associated with this date/time formatter.

virtual void setCalendarLenient(UBool lenient)

Specifies whether encapsulated Calendar date/time parsing is to be lenient.

DateFormat(const DateFormat &)

Copy constructor.

virtual DateFormat & setBooleanAttribute(UDateFormatBooleanAttribute attr, UBool newvalue, UErrorCode &status)

Sets an boolean attribute on this DateFormat.

virtual UDisplayContext getContext(UDisplayContextType type, UErrorCode &status) const

Get the formatter's UDisplayContext value for the specified UDisplayContextType, such as UDISPCTX_TYP...

UnicodeString & format(UDate date, UnicodeString &appendTo) const

Formats a UDate into a date/time string.

virtual void setLenient(UBool lenient)

Specifies whether date/time parsing is to be lenient.

virtual UBool isCalendarLenient() const

Returns whether date/time parsing in the encapsulated Calendar object processing is lenient.

UnicodeString & format(UDate date, UnicodeString &appendTo, FieldPosition &fieldPosition) const

Formats a UDate into a date/time string.

virtual void setTimeZone(const TimeZone &zone)

Sets the time zone for the calendar of this DateFormat object.

virtual void adoptNumberFormat(NumberFormat *formatToAdopt)

Allows you to set the number formatter.

virtual void setCalendar(const Calendar &newCalendar)

Set the calendar to be used by this date format.

virtual const TimeZone & getTimeZone() const

Returns a reference to the TimeZone used by this DateFormat's calendar.

static DateFormat * createInstanceForSkeleton(const UnicodeString &skeleton, const Locale &locale, UErrorCode &status)

Creates a date/time formatter for the given skeleton and locale.

virtual UnicodeString & format(Calendar &cal, UnicodeString &appendTo, FieldPositionIterator *posIter, UErrorCode &status) const

Formats a date into a date/time string.

virtual void parse(const UnicodeString &text, Calendar &cal, ParsePosition &pos) const =0

Parse a date/time string beginning at the given parse position.

static DateFormat * createDateTimeInstance(EStyle dateStyle=kDefault, EStyle timeStyle=kDefault, const Locale &aLocale=Locale::getDefault())

Creates a date/time formatter with the given formatting styles for the given locale.

virtual UnicodeString & format(const Formattable &obj, UnicodeString &appendTo, FieldPosition &pos, UErrorCode &status) const override

Format an object to produce a string.

static DateFormat * createTimeInstance(EStyle style=kDefault, const Locale &aLocale=Locale::getDefault())

Creates a time formatter with the given formatting style for the given locale.

UnicodeString & format(UDate date, UnicodeString &appendTo, FieldPositionIterator *posIter, UErrorCode &status) const

Formats a UDate into a date/time string.

virtual void setNumberFormat(const NumberFormat &newNumberFormat)

Allows you to set the number formatter.

virtual void setContext(UDisplayContext value, UErrorCode &status)

Set a particular UDisplayContext value in the formatter, such as UDISPCTX_CAPITALIZATION_FOR_STANDALO...

DateFormat & operator=(const DateFormat &)

Default assignment operator.

EStyle

Constants for various style patterns.

UDate parse(const UnicodeString &text, ParsePosition &pos) const

Parse a date/time string beginning at the given parse position.

static DateFormat * createDateInstance(EStyle style=kDefault, const Locale &aLocale=Locale::getDefault())

Creates a date formatter with the given formatting style for the given const locale.

virtual UnicodeString & format(const Formattable &obj, UnicodeString &appendTo, FieldPositionIterator *posIter, UErrorCode &status) const override

Format an object to produce a string.

EField

Field selector for FieldPosition for DateFormat fields.

virtual void adoptCalendar(Calendar *calendarToAdopt)

Set the calendar to be used by this date format.

virtual void adoptTimeZone(TimeZone *zoneToAdopt)

Sets the time zone for the calendar of this DateFormat object.

virtual UBool isLenient() const

Returns whether both date/time parsing in the encapsulated Calendar object and DateFormat whitespace ...

FieldPositionIterator returns the field ids and their start/limit positions generated by a call to Fo...

FieldPosition is a simple class used by Format and its subclasses to identify fields in formatted out...

Base class for all formats.

UnicodeString & format(const Formattable &obj, UnicodeString &appendTo, UErrorCode &status) const

Formats an object to produce a string.

Formattable objects can be passed to the Format class or its subclasses for formatting.

A Locale object represents a specific geographical, political, or cultural region.

ParsePosition is a simple class used by Format and its subclasses to keep track of the current positi...

TimeZone represents a time zone offset, and also figures out daylight savings.

UnicodeString is a string class that stores Unicode characters directly and provides similar function...

C++: internal template EnumSet<>

C++ API: Base class for all formats.

C++ API: Locale ID object.

C++ API: Compatibility APIs for number formatting.

@ UDAT_AM_PM_FIELD

FieldPosition and UFieldPosition selector for 'a' field alignment, corresponding to the UCAL_AM_PM fi...

@ UDAT_TIMEZONE_FIELD

FieldPosition and UFieldPosition selector for 'z' field alignment, corresponding to the UCAL_ZONE_OFF...

@ UDAT_DOW_LOCAL_FIELD

FieldPosition and UFieldPosition selector for 'e' field alignment, corresponding to the UCAL_DOW_LOCA...

@ UDAT_DATE_FIELD

FieldPosition and UFieldPosition selector for 'd' field alignment, corresponding to the UCAL_DATE fie...

@ UDAT_MONTH_FIELD

FieldPosition and UFieldPosition selector for 'M' field alignment, corresponding to the UCAL_MONTH fi...

@ UDAT_JULIAN_DAY_FIELD

FieldPosition and UFieldPosition selector for 'g' field alignment, corresponding to the UCAL_JULIAN_D...

@ UDAT_EXTENDED_YEAR_FIELD

FieldPosition and UFieldPosition selector for 'u' field alignment, corresponding to the UCAL_EXTENDED...

@ UDAT_DAY_OF_WEEK_FIELD

FieldPosition and UFieldPosition selector for 'E' field alignment, corresponding to the UCAL_DAY_OF_W...

@ UDAT_MILLISECONDS_IN_DAY_FIELD

FieldPosition and UFieldPosition selector for 'A' field alignment, corresponding to the UCAL_MILLISEC...

@ UDAT_YEAR_FIELD

FieldPosition and UFieldPosition selector for 'y' field alignment, corresponding to the UCAL_YEAR fie...

@ UDAT_ERA_FIELD

FieldPosition and UFieldPosition selector for 'G' field alignment, corresponding to the UCAL_ERA fiel...

@ UDAT_DAY_OF_YEAR_FIELD

FieldPosition and UFieldPosition selector for 'D' field alignment, corresponding to the UCAL_DAY_OF_Y...

@ UDAT_WEEK_OF_MONTH_FIELD

FieldPosition and UFieldPosition selector for 'W' field alignment, corresponding to the UCAL_WEEK_OF_...

@ UDAT_FRACTIONAL_SECOND_FIELD

FieldPosition and UFieldPosition selector for 'S' field alignment, corresponding to the UCAL_MILLISEC...

@ UDAT_DAY_OF_WEEK_IN_MONTH_FIELD

FieldPosition and UFieldPosition selector for 'F' field alignment, corresponding to the UCAL_DAY_OF_W...

@ UDAT_SECOND_FIELD

FieldPosition and UFieldPosition selector for 's' field alignment, corresponding to the UCAL_SECOND f...

@ UDAT_HOUR1_FIELD

FieldPosition and UFieldPosition selector for 'h' field alignment, corresponding to the UCAL_HOUR fie...

@ UDAT_MINUTE_FIELD

FieldPosition and UFieldPosition selector for 'm' field alignment, corresponding to the UCAL_MINUTE f...

@ UDAT_HOUR0_FIELD

FieldPosition and UFieldPosition selector for 'K' field alignment, corresponding to the UCAL_HOUR fie...

@ UDAT_YEAR_WOY_FIELD

FieldPosition and UFieldPosition selector for 'Y' field alignment, corresponding to the UCAL_YEAR_WOY...

@ UDAT_WEEK_OF_YEAR_FIELD

FieldPosition and UFieldPosition selector for 'w' field alignment, corresponding to the UCAL_WEEK_OF_...

@ UDAT_HOUR_OF_DAY0_FIELD

FieldPosition and UFieldPosition selector for 'H' field alignment, corresponding to the UCAL_HOUR_OF_...

@ UDAT_HOUR_OF_DAY1_FIELD

FieldPosition and UFieldPosition selector for 'k' field alignment, corresponding to the UCAL_HOUR_OF_...

UDateFormatBooleanAttribute

DateFormat boolean attributes.

@ UDAT_BOOLEAN_ATTRIBUTE_COUNT

One more than the highest normal UDateFormatBooleanAttribute value.

C API: Display context types (enum values)

UDisplayContextType

Display context types, for getting values of a particular setting.

UDisplayContext

Display context settings.

int8_t UBool

The ICU boolean type, a signed-byte integer.

Basic definitions for ICU, for both C and C++ APIs.

UErrorCode

Standard ICU4C error code type, a substitute for exceptions.

#define U_I18N_API

Set to export library symbols from inside the i18n library, and to import them from outside.

double UDate

Date and Time data type.

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