ucal.h

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// © 2016 and later: Unicode, Inc. and others.
// License & terms of use: http://www.unicode.org/copyright.html
/*
 *******************************************************************************
 * Copyright (C) 1996-2015, International Business Machines Corporation and
 * others. All Rights Reserved.
 *******************************************************************************
 */

#ifndef UCAL_H
#define UCAL_H

#include "unicode/utypes.h"
#include "unicode/uenum.h"
#include "unicode/uloc.h"
#include "unicode/localpointer.h"

#if !UCONFIG_NO_FORMATTING

#define UCAL_UNKNOWN_ZONE_ID "Etc/Unknown"

typedef void* UCalendar;

enum UCalendarType {
  UCAL_TRADITIONAL,
  UCAL_DEFAULT = UCAL_TRADITIONAL,
  UCAL_GREGORIAN
};

typedef enum UCalendarType UCalendarType;

enum UCalendarDateFields {
  UCAL_ERA,

  UCAL_YEAR,

  UCAL_MONTH,

  UCAL_WEEK_OF_YEAR,

  UCAL_WEEK_OF_MONTH,

  UCAL_DATE,

  UCAL_DAY_OF_YEAR,

  UCAL_DAY_OF_WEEK,

  UCAL_DAY_OF_WEEK_IN_MONTH,

  UCAL_AM_PM,

  UCAL_HOUR,

  UCAL_HOUR_OF_DAY,

  UCAL_MINUTE,

  UCAL_SECOND,

  UCAL_MILLISECOND,

  UCAL_ZONE_OFFSET,

  UCAL_DST_OFFSET,
  
  UCAL_YEAR_WOY,

  UCAL_DOW_LOCAL,

  UCAL_EXTENDED_YEAR,

  UCAL_JULIAN_DAY, 

  UCAL_MILLISECONDS_IN_DAY,

  UCAL_IS_LEAP_MONTH,

    /* Do not conditionalize the following with #ifndef U_HIDE_DEPRECATED_API,
     * it is needed for layout of Calendar, DateFormat, and other objects */
  UCAL_FIELD_COUNT,

  UCAL_DAY_OF_MONTH=UCAL_DATE
};

typedef enum UCalendarDateFields UCalendarDateFields;
enum UCalendarDaysOfWeek {
  UCAL_SUNDAY = 1,
  UCAL_MONDAY,
  UCAL_TUESDAY,
  UCAL_WEDNESDAY,
  UCAL_THURSDAY,
  UCAL_FRIDAY,
  UCAL_SATURDAY
};

typedef enum UCalendarDaysOfWeek UCalendarDaysOfWeek;

enum UCalendarMonths {
  UCAL_JANUARY,
  UCAL_FEBRUARY,
  UCAL_MARCH,
  UCAL_APRIL,
  UCAL_MAY,
  UCAL_JUNE,
  UCAL_JULY,
  UCAL_AUGUST,
  UCAL_SEPTEMBER,
  UCAL_OCTOBER,
  UCAL_NOVEMBER,
  UCAL_DECEMBER,
  UCAL_UNDECIMBER
};

typedef enum UCalendarMonths UCalendarMonths;

enum UCalendarAMPMs {
  UCAL_AM,
  UCAL_PM
};

typedef enum UCalendarAMPMs UCalendarAMPMs;

enum USystemTimeZoneType {
    UCAL_ZONE_TYPE_ANY,
    UCAL_ZONE_TYPE_CANONICAL,
    UCAL_ZONE_TYPE_CANONICAL_LOCATION
};

typedef enum USystemTimeZoneType USystemTimeZoneType;

U_STABLE UEnumeration* U_EXPORT2
ucal_openTimeZoneIDEnumeration(USystemTimeZoneType zoneType, const char* region,
                                const int32_t* rawOffset, UErrorCode* ec);

U_STABLE UEnumeration* U_EXPORT2
ucal_openTimeZones(UErrorCode* ec);

U_STABLE UEnumeration* U_EXPORT2
ucal_openCountryTimeZones(const char* country, UErrorCode* ec);

U_STABLE int32_t U_EXPORT2
ucal_getDefaultTimeZone(UChar* result, int32_t resultCapacity, UErrorCode* ec);

U_STABLE void U_EXPORT2
ucal_setDefaultTimeZone(const UChar* zoneID, UErrorCode* ec);

#ifndef U_HIDE_DRAFT_API

U_DRAFT int32_t U_EXPORT2
ucal_getHostTimeZone(UChar *result, int32_t resultCapacity, UErrorCode *ec);

#endif // U_HIDE_DRAFT_API

U_STABLE int32_t U_EXPORT2
ucal_getDSTSavings(const UChar* zoneID, UErrorCode* ec);

U_STABLE UDate U_EXPORT2 
ucal_getNow(void);

U_STABLE UCalendar* U_EXPORT2 
ucal_open(const UChar*   zoneID,
          int32_t        len,
          const char*    locale,
          UCalendarType  type,
          UErrorCode*    status);

U_STABLE void U_EXPORT2 
ucal_close(UCalendar *cal);

#if U_SHOW_CPLUSPLUS_API

U_NAMESPACE_BEGIN

U_DEFINE_LOCAL_OPEN_POINTER(LocalUCalendarPointer, UCalendar, ucal_close);

U_NAMESPACE_END

#endif

U_STABLE UCalendar* U_EXPORT2 
ucal_clone(const UCalendar* cal,
           UErrorCode*      status);

U_STABLE void U_EXPORT2 
ucal_setTimeZone(UCalendar*    cal,
                 const UChar*  zoneID,
                 int32_t       len,
                 UErrorCode*   status);

U_STABLE int32_t U_EXPORT2 
ucal_getTimeZoneID(const UCalendar *cal,
                   UChar *result,
                   int32_t resultLength,
                   UErrorCode *status);

enum UCalendarDisplayNameType {
  UCAL_STANDARD,
  UCAL_SHORT_STANDARD,
  UCAL_DST,
  UCAL_SHORT_DST
};

typedef enum UCalendarDisplayNameType UCalendarDisplayNameType;

U_STABLE int32_t U_EXPORT2 
ucal_getTimeZoneDisplayName(const UCalendar*          cal,
                            UCalendarDisplayNameType  type,
                            const char*               locale,
                            UChar*                    result,
                            int32_t                   resultLength,
                            UErrorCode*               status);

U_STABLE UBool U_EXPORT2 
ucal_inDaylightTime(const UCalendar*  cal,
                    UErrorCode*       status );

U_STABLE void U_EXPORT2
ucal_setGregorianChange(UCalendar *cal, UDate date, UErrorCode *pErrorCode);

U_STABLE UDate U_EXPORT2
ucal_getGregorianChange(const UCalendar *cal, UErrorCode *pErrorCode);

enum UCalendarAttribute {
  UCAL_LENIENT,
  UCAL_FIRST_DAY_OF_WEEK,
  UCAL_MINIMAL_DAYS_IN_FIRST_WEEK,
  UCAL_REPEATED_WALL_TIME,
  UCAL_SKIPPED_WALL_TIME
};

typedef enum UCalendarAttribute UCalendarAttribute;

enum UCalendarWallTimeOption {
    UCAL_WALLTIME_LAST,
    UCAL_WALLTIME_FIRST,
    UCAL_WALLTIME_NEXT_VALID
};
typedef enum UCalendarWallTimeOption UCalendarWallTimeOption;

U_STABLE int32_t U_EXPORT2 
ucal_getAttribute(const UCalendar*    cal,
                  UCalendarAttribute  attr);

U_STABLE void U_EXPORT2 
ucal_setAttribute(UCalendar*          cal,
                  UCalendarAttribute  attr,
                  int32_t             newValue);

U_STABLE const char* U_EXPORT2 
ucal_getAvailable(int32_t localeIndex);

U_STABLE int32_t U_EXPORT2 
ucal_countAvailable(void);

U_STABLE UDate U_EXPORT2 
ucal_getMillis(const UCalendar*  cal,
               UErrorCode*       status);

U_STABLE void U_EXPORT2 
ucal_setMillis(UCalendar*   cal,
               UDate        dateTime,
               UErrorCode*  status );

U_STABLE void U_EXPORT2 
ucal_setDate(UCalendar*   cal,
             int32_t      year,
             int32_t      month,
             int32_t      date,
             UErrorCode*  status);

U_STABLE void U_EXPORT2 
ucal_setDateTime(UCalendar*   cal,
                 int32_t      year,
                 int32_t      month,
                 int32_t      date,
                 int32_t      hour,
                 int32_t      minute,
                 int32_t      second,
                 UErrorCode*  status);

U_STABLE UBool U_EXPORT2 
ucal_equivalentTo(const UCalendar*  cal1,
                  const UCalendar*  cal2);

U_STABLE void U_EXPORT2 
ucal_add(UCalendar*           cal,
         UCalendarDateFields  field,
         int32_t              amount,
         UErrorCode*          status);

U_STABLE void U_EXPORT2 
ucal_roll(UCalendar*           cal,
          UCalendarDateFields  field,
          int32_t              amount,
          UErrorCode*          status);

U_STABLE int32_t U_EXPORT2 
ucal_get(const UCalendar*     cal,
         UCalendarDateFields  field,
         UErrorCode*          status );

U_STABLE void U_EXPORT2 
ucal_set(UCalendar*           cal,
         UCalendarDateFields  field,
         int32_t              value);

U_STABLE UBool U_EXPORT2 
ucal_isSet(const UCalendar*     cal,
           UCalendarDateFields  field);

U_STABLE void U_EXPORT2 
ucal_clearField(UCalendar*           cal,
                UCalendarDateFields  field);

U_STABLE void U_EXPORT2 
ucal_clear(UCalendar* calendar);

enum UCalendarLimitType {
  UCAL_MINIMUM,
  UCAL_MAXIMUM,
  UCAL_GREATEST_MINIMUM,
  UCAL_LEAST_MAXIMUM,
  UCAL_ACTUAL_MINIMUM,
  UCAL_ACTUAL_MAXIMUM
};

typedef enum UCalendarLimitType UCalendarLimitType;

U_STABLE int32_t U_EXPORT2 
ucal_getLimit(const UCalendar*     cal,
              UCalendarDateFields  field,
              UCalendarLimitType   type,
              UErrorCode*          status);

U_STABLE const char * U_EXPORT2
ucal_getLocaleByType(const UCalendar *cal, ULocDataLocaleType type, UErrorCode* status);

U_STABLE const char * U_EXPORT2
ucal_getTZDataVersion(UErrorCode* status);

U_STABLE int32_t U_EXPORT2
ucal_getCanonicalTimeZoneID(const UChar* id, int32_t len,
                            UChar* result, int32_t resultCapacity, UBool *isSystemID, UErrorCode* status);
U_STABLE const char * U_EXPORT2
ucal_getType(const UCalendar *cal, UErrorCode* status);

U_STABLE UEnumeration* U_EXPORT2
ucal_getKeywordValuesForLocale(const char* key,
                               const char* locale,
                               UBool commonlyUsed,
                               UErrorCode* status);


enum UCalendarWeekdayType {
  UCAL_WEEKDAY,
  UCAL_WEEKEND,
  UCAL_WEEKEND_ONSET,
  UCAL_WEEKEND_CEASE
};

typedef enum UCalendarWeekdayType UCalendarWeekdayType;

U_STABLE UCalendarWeekdayType U_EXPORT2
ucal_getDayOfWeekType(const UCalendar *cal, UCalendarDaysOfWeek dayOfWeek, UErrorCode* status);

U_STABLE int32_t U_EXPORT2
ucal_getWeekendTransition(const UCalendar *cal, UCalendarDaysOfWeek dayOfWeek, UErrorCode *status);

U_STABLE UBool U_EXPORT2
ucal_isWeekend(const UCalendar *cal, UDate date, UErrorCode *status);

U_STABLE int32_t U_EXPORT2 
ucal_getFieldDifference(UCalendar* cal,
                        UDate target,
                        UCalendarDateFields field,
                        UErrorCode* status);

enum UTimeZoneTransitionType {
    UCAL_TZ_TRANSITION_NEXT,
    UCAL_TZ_TRANSITION_NEXT_INCLUSIVE,
    UCAL_TZ_TRANSITION_PREVIOUS,
    UCAL_TZ_TRANSITION_PREVIOUS_INCLUSIVE
};

typedef enum UTimeZoneTransitionType UTimeZoneTransitionType; 
U_STABLE UBool U_EXPORT2 
ucal_getTimeZoneTransitionDate(const UCalendar* cal, UTimeZoneTransitionType type,
                               UDate* transition, UErrorCode* status);

U_STABLE int32_t U_EXPORT2
ucal_getWindowsTimeZoneID(const UChar* id, int32_t len,
                            UChar* winid, int32_t winidCapacity, UErrorCode* status);

U_STABLE int32_t U_EXPORT2
ucal_getTimeZoneIDForWindowsID(const UChar* winid, int32_t len, const char* region,
                                UChar* id, int32_t idCapacity, UErrorCode* status);

#endif /* #if !UCONFIG_NO_FORMATTING */

#endif