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// © 2016 and later: Unicode, Inc. and others.
// License & terms of use: http://www.unicode.org/copyright.html
/*
*******************************************************************************
* Copyright (C) 2016, International Business Machines
* Corporation and others. All Rights Reserved.
*******************************************************************************
* dayperiodrules.h
*
* created on: 2016-01-20
* created by: kazede
*/
#ifndef DAYPERIODRULES_H
#define DAYPERIODRULES_H
#include "unicode/locid.h"
#include "unicode/unistr.h"
#include "unicode/uobject.h"
#include "unicode/utypes.h"
#include "resource.h"
#include "uhash.h"
U_NAMESPACE_BEGIN
struct DayPeriodRulesDataSink;
class DayPeriodRules : public UMemory {
friend struct DayPeriodRulesDataSink;
public:
enum DayPeriod {
DAYPERIOD_UNKNOWN = -1,
DAYPERIOD_MIDNIGHT,
DAYPERIOD_NOON,
DAYPERIOD_MORNING1,
DAYPERIOD_AFTERNOON1,
DAYPERIOD_EVENING1,
DAYPERIOD_NIGHT1,
DAYPERIOD_MORNING2,
DAYPERIOD_AFTERNOON2,
DAYPERIOD_EVENING2,
DAYPERIOD_NIGHT2,
DAYPERIOD_AM,
DAYPERIOD_PM
};
static const DayPeriodRules *getInstance(const Locale &locale, UErrorCode &errorCode);
UBool hasMidnight() const { return fHasMidnight; }
UBool hasNoon() const { return fHasNoon; }
DayPeriod getDayPeriodForHour(int32_t hour) const { return fDayPeriodForHour[hour]; }
// Returns the center of dayPeriod. Half hours are indicated with a .5 .
double getMidPointForDayPeriod(DayPeriod dayPeriod, UErrorCode &errorCode) const;
private:
DayPeriodRules();
// Translates "morning1" to DAYPERIOD_MORNING1, for example.
static DayPeriod getDayPeriodFromString(const char *type_str);
static void U_CALLCONV load(UErrorCode &errorCode);
// Sets period type for all hours in [startHour, limitHour).
void add(int32_t startHour, int32_t limitHour, DayPeriod period);
// Returns TRUE if for all i, DayPeriodForHour[i] has a type other than UNKNOWN.
// Values of HasNoon and HasMidnight do not affect the return value.
UBool allHoursAreSet();
// Returns the hour that starts dayPeriod. Returns 0 for MIDNIGHT and 12 for NOON.
int32_t getStartHourForDayPeriod(DayPeriod dayPeriod, UErrorCode &errorCode) const;
// Returns the hour that ends dayPeriod, i.e. that starts the next period.
// E.g. if fDayPeriodForHour[13] thru [16] are AFTERNOON1, then this function returns 17 if
// queried with AFTERNOON1.
// Returns 0 for MIDNIGHT and 12 for NOON.
int32_t getEndHourForDayPeriod(DayPeriod dayPeriod, UErrorCode &errorCode) const;
UBool fHasMidnight;
UBool fHasNoon;
DayPeriod fDayPeriodForHour[24];
};
U_NAMESPACE_END
#endif /* DAYPERIODRULES_H */
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