/** * Concrete class which provides the Buddhist calendar. * <P> * <code>BuddhistCalendar</code> is a subclass of <code>GregorianCalendar</code> * that numbers years since the birth of the Buddha. This is the civil calendar * in some predominantly Buddhist countries such as Thailand, and it is used for * religious purposes elsewhere. * <p> * The Buddhist calendar is identical to the Gregorian calendar in all respects * except for the year and era. Years are numbered since the birth of the * Buddha in 543 BC (Gregorian), so that 1 AD (Gregorian) is equivalent to 544 * BE (Buddhist Era) and 1998 AD is 2541 BE. * <p> * The Buddhist Calendar has only one allowable era: <code>BE</code>. If the * calendar is not in lenient mode (see <code>setLenient</code>), dates before * 1/1/1 BE are rejected as an illegal argument. * <p> * @internal
*/ class BuddhistCalendar : public GregorianCalendar { public:
/** * Useful constants for BuddhistCalendar. Only one Era. * @internal
*/ enum EEras {
BE
};
/** * Constructs a BuddhistCalendar based on the current time in the default time zone * with the given locale. * * @param aLocale The given locale. * @param success Indicates the status of BuddhistCalendar object construction. * Returns U_ZERO_ERROR if constructed successfully. * @internal
*/
BuddhistCalendar(const Locale& aLocale, UErrorCode& success);
/** * Copy constructor * @param source the object to be copied. * @internal
*/
BuddhistCalendar(const BuddhistCalendar& source);
/** * Default assignment operator * @param right the object to be copied. * @internal
*/
BuddhistCalendar& operator=(const BuddhistCalendar& right);
/** * Create and return a polymorphic copy of this calendar. * @return return a polymorphic copy of this calendar. * @internal
*/ virtual BuddhistCalendar* clone() const override;
public: /** * Override Calendar Returns a unique class ID POLYMORPHICALLY. Pure virtual * override. This method is to implement a simple version of RTTI, since not all C++ * compilers support genuine RTTI. Polymorphic operator==() and clone() methods call * this method. * * @return The class ID for this object. All objects of a given class have the * same class ID. Objects of other classes have different class IDs. * @internal
*/ virtual UClassID getDynamicClassID() const override;
/** * Return the class ID for this class. This is useful only for comparing to a return * value from getDynamicClassID(). For example: * * Base* polymorphic_pointer = createPolymorphicObject(); * if (polymorphic_pointer->getDynamicClassID() == * Derived::getStaticClassID()) ... * * @return The class ID for all objects of this class. * @internal
*/
U_I18N_API static UClassID U_EXPORT2 getStaticClassID();
/** * return the calendar type, "buddhist". * * @return calendar type * @internal
*/ virtualconstchar * getType() const override;
private:
BuddhistCalendar(); // default constructor not implemented
protected: /** * Return the extended year defined by the current fields. This will * use the UCAL_EXTENDED_YEAR field or the UCAL_YEAR and supra-year fields (such * as UCAL_ERA) specific to the calendar system, depending on which set of * fields is newer. * @param status * @return the extended year * @internal
*/ virtual int32_t handleGetExtendedYear(UErrorCode& status) override; /** * Subclasses may override this method to compute several fields * specific to each calendar system. * @internal
*/ virtualvoid handleComputeFields(int32_t julianDay, UErrorCode& status) override; /** * Subclass API for defining limits of different types. * @param field one of the field numbers * @param limitType one of <code>MINIMUM</code>, <code>GREATEST_MINIMUM</code>, * <code>LEAST_MAXIMUM</code>, or <code>MAXIMUM</code> * @internal
*/ virtual int32_t handleGetLimit(UCalendarDateFields field, ELimitType limitType) const override;
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