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cecal.h (4190B)

      1 // © 2016 and later: Unicode, Inc. and others.
      2 // License & terms of use: http://www.unicode.org/copyright.html
      3 /*
      4 *******************************************************************************
      5 * Copyright (C) 2003 - 2008, International Business Machines Corporation and  *
      6 * others. All Rights Reserved.                                                *
      7 *******************************************************************************
      8 */
      9 
     10 #ifndef CECAL_H
     11 #define CECAL_H
     12 
     13 #include "unicode/utypes.h"
     14 
     15 #if !UCONFIG_NO_FORMATTING
     16 
     17 #include "unicode/calendar.h"
     18 
     19 U_NAMESPACE_BEGIN
     20 
     21 /**
     22 * Base class for EthiopicCalendar and CopticCalendar.
     23 * @internal
     24 */
     25 class U_I18N_API CECalendar : public Calendar {
     26 
     27 public:
     28 
     29   /**
     30    * Gets The Temporal monthCode value corresponding to the month for the date.
     31    * The value is a string identifier that starts with the literal grapheme
     32    * "M" followed by two graphemes representing the zero-padded month number
     33    * of the current month in a normal (non-leap) year. For the short thirteen
     34    * month in each year in the CECalendar, the value is "M13".
     35    *
     36    * @param status        ICU Error Code
     37    * @return       One of 13 possible strings in {"M01".. "M12", "M13"}.
     38    * @draft ICU 73
     39    */
     40    virtual const char* getTemporalMonthCode(UErrorCode& status) const override;
     41 
     42    /**
     43     * Sets The Temporal monthCode which is a string identifier that starts
     44     * with the literal grapheme "M" followed by two graphemes representing
     45     * the zero-padded month number of the current month in a normal
     46     * (non-leap) year. For CECalendar calendar, the values
     47     * are "M01" .. "M13" while the "M13" is represent the short thirteen month
     48     * in each year.
     49     *
     50     * @param temporalMonth  The value to be set for temporal monthCode.
     51     * @param status        ICU Error Code
     52     *
     53     * @draft ICU 73
     54     */
     55    virtual void setTemporalMonthCode(const char* code, UErrorCode& status) override;
     56 
     57 protected:
     58    //-------------------------------------------------------------------------
     59    // Constructors...
     60    //-------------------------------------------------------------------------
     61 
     62    /**
     63     * Constructs a CECalendar based on the current time in the default time zone
     64     * with the given locale with the Julian epoch offiset
     65     *
     66     * @param aLocale  The given locale.
     67     * @param success  Indicates the status of CECalendar object construction.
     68     *                 Returns U_ZERO_ERROR if constructed successfully.
     69     * @internal
     70     */
     71    CECalendar(const Locale& aLocale, UErrorCode& success);
     72 
     73    /**
     74     * Copy Constructor
     75     * @internal
     76     */
     77    CECalendar (const CECalendar& other);
     78 
     79    /**
     80     * Destructor.
     81     * @internal
     82     */
     83    virtual ~CECalendar();
     84 
     85 protected:
     86    //-------------------------------------------------------------------------
     87    // Calendar framework
     88    //-------------------------------------------------------------------------
     89 
     90    /**
     91     * Return JD of start of given month/extended year
     92     * @internal
     93     */
     94    virtual int64_t handleComputeMonthStart(int32_t eyear, int32_t month, UBool useMonth, UErrorCode& status) const override;
     95 
     96    /**
     97     * Calculate the limit for a specified type of limit and field
     98     * @internal
     99     */
    100    virtual int32_t handleGetLimit(UCalendarDateFields field, ELimitType limitType) const override;
    101 
    102    /**
    103     * Compute fields from the JD
    104     * @internal
    105     */
    106    virtual void handleComputeFields(int32_t julianDay, UErrorCode &status) override;
    107 
    108 protected:
    109    /**
    110     * The Coptic and Ethiopic calendars differ only in their epochs.
    111     * This method must be implemented by CECalendar subclasses to
    112     * return the date offset from Julian
    113     * @internal
    114     */
    115    virtual int32_t getJDEpochOffset() const = 0;
    116 
    117    /**
    118     * Compute the era from extended year.
    119     * @internal
    120     */
    121    virtual int32_t extendedYearToEra(int32_t extendedYear) const = 0;
    122 
    123    /**
    124     * Compute the year from extended year.
    125     * @internal
    126     */
    127    virtual int32_t extendedYearToYear(int32_t extendedYear) const = 0;
    128 };
    129 
    130 U_NAMESPACE_END
    131 
    132 #endif /* #if !UCONFIG_NO_FORMATTING */
    133 #endif
    134 //eof