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