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// License & terms of use: http://www.unicode.org/copyright.html
/*
*******************************************************************************
* Copyright (C) 2007-2008, International Business Machines Corporation and *
* others. All Rights Reserved. *
*******************************************************************************
*/
#ifndef DTRULE_H
#define DTRULE_H
#include "unicode/utypes.h"
#if U_SHOW_CPLUSPLUS_API
/**
* \file
* \brief C++ API: Rule for specifying date and time in an year
*/
#if !UCONFIG_NO_FORMATTING
#include "unicode/uobject.h"
U_NAMESPACE_BEGIN
/**
* DateTimeRule is a class representing a time in a year by
* a rule specified by month, day of month, day of week and
* time in the day.
*
* @stable ICU 3.8
*/
class U_I18N_API DateTimeRule : public UObject {
public:
/**
* Date rule type constants.
* @stable ICU 3.8
*/
enum DateRuleType {
DOM = 0, /**< The exact day of month,
for example, March 11. */
DOW, /**< The Nth occurence of the day of week,
for example, 2nd Sunday in March. */
DOW_GEQ_DOM, /**< The first occurence of the day of week on or after the day of monnth,
for example, first Sunday on or after March 8. */
DOW_LEQ_DOM /**< The last occurence of the day of week on or before the day of month,
for example, first Sunday on or before March 14. */
};
/**
* Time rule type constants.
* @stable ICU 3.8
*/
enum TimeRuleType {
WALL_TIME = 0, /**< The local wall clock time */
STANDARD_TIME, /**< The local standard time */
UTC_TIME /**< The UTC time */
};
/**
* Constructs a DateTimeRule by the day of month and
* the time rule. The date rule type for an instance created by
* this constructor is DOM.
*
* @param month The rule month, for example, Calendar::JANUARY
* @param dayOfMonth The day of month, 1-based.
* @param millisInDay The milliseconds in the rule date.
* @param timeType The time type, WALL_TIME or STANDARD_TIME
* or UTC_TIME.
* @stable ICU 3.8
*/
DateTimeRule(int32_t month, int32_t dayOfMonth,
int32_t millisInDay, TimeRuleType timeType);
/**
* Constructs a DateTimeRule by the day of week and its oridinal
* number and the time rule. The date rule type for an instance created
* by this constructor is DOW.
*
* @param month The rule month, for example, Calendar::JANUARY.
* @param weekInMonth The ordinal number of the day of week. Negative number
* may be used for specifying a rule date counted from the
* end of the rule month.
* @param dayOfWeek The day of week, for example, Calendar::SUNDAY.
* @param millisInDay The milliseconds in the rule date.
* @param timeType The time type, WALL_TIME or STANDARD_TIME
* or UTC_TIME.
* @stable ICU 3.8
*/
DateTimeRule(int32_t month, int32_t weekInMonth, int32_t dayOfWeek,
int32_t millisInDay, TimeRuleType timeType);
/**
* Constructs a DateTimeRule by the first/last day of week
* on or after/before the day of month and the time rule. The date rule
* type for an instance created by this constructor is either
* DOM_GEQ_DOM or DOM_LEQ_DOM.
*
* @param month The rule month, for example, Calendar::JANUARY
* @param dayOfMonth The day of month, 1-based.
* @param dayOf