tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
Log | Files | Refs | README | LICENSE

dayperiodrules.h (2820B)

      1 // © 2016 and later: Unicode, Inc. and others.
      2 // License & terms of use: http://www.unicode.org/copyright.html
      3 /*
      4 *******************************************************************************
      5 * Copyright (C) 2016, International Business Machines
      6 * Corporation and others.  All Rights Reserved.
      7 *******************************************************************************
      8 * dayperiodrules.h
      9 *
     10 * created on: 2016-01-20
     11 * created by: kazede
     12 */
     13 
     14 #ifndef DAYPERIODRULES_H
     15 #define DAYPERIODRULES_H
     16 
     17 #include "unicode/locid.h"
     18 #include "unicode/unistr.h"
     19 #include "unicode/uobject.h"
     20 #include "unicode/utypes.h"
     21 #include "resource.h"
     22 #include "uhash.h"
     23 
     24 
     25 
     26 U_NAMESPACE_BEGIN
     27 
     28 struct DayPeriodRulesDataSink;
     29 
     30 class DayPeriodRules : public UMemory {
     31    friend struct DayPeriodRulesDataSink;
     32 public:
     33    enum DayPeriod {
     34        DAYPERIOD_UNKNOWN = -1,
     35        DAYPERIOD_MIDNIGHT,
     36        DAYPERIOD_NOON,
     37        DAYPERIOD_MORNING1,
     38        DAYPERIOD_AFTERNOON1,
     39        DAYPERIOD_EVENING1,
     40        DAYPERIOD_NIGHT1,
     41        DAYPERIOD_MORNING2,
     42        DAYPERIOD_AFTERNOON2,
     43        DAYPERIOD_EVENING2,
     44        DAYPERIOD_NIGHT2,
     45        DAYPERIOD_AM,
     46        DAYPERIOD_PM
     47    };
     48 
     49    static const DayPeriodRules *getInstance(const Locale &locale, UErrorCode &errorCode);
     50 
     51    UBool hasMidnight() const { return fHasMidnight; }
     52    UBool hasNoon() const { return fHasNoon; }
     53    DayPeriod getDayPeriodForHour(int32_t hour) const { return fDayPeriodForHour[hour]; }
     54 
     55    // Returns the center of dayPeriod. Half hours are indicated with a .5 .
     56    double getMidPointForDayPeriod(DayPeriod dayPeriod, UErrorCode &errorCode) const;
     57 
     58 private:
     59    DayPeriodRules();
     60 
     61    // Translates "morning1" to DAYPERIOD_MORNING1, for example.
     62    static DayPeriod getDayPeriodFromString(const char *type_str);
     63 
     64    static void U_CALLCONV load(UErrorCode &errorCode);
     65 
     66    // Sets period type for all hours in [startHour, limitHour).
     67    void add(int32_t startHour, int32_t limitHour, DayPeriod period);
     68 
     69    // Returns true if for all i, DayPeriodForHour[i] has a type other than UNKNOWN.
     70    // Values of HasNoon and HasMidnight do not affect the return value.
     71    UBool allHoursAreSet();
     72 
     73    // Returns the hour that starts dayPeriod. Returns 0 for MIDNIGHT and 12 for NOON.
     74    int32_t getStartHourForDayPeriod(DayPeriod dayPeriod, UErrorCode &errorCode) const;
     75 
     76    // Returns the hour that ends dayPeriod, i.e. that starts the next period.
     77    // E.g. if fDayPeriodForHour[13] thru [16] are AFTERNOON1, then this function returns 17 if
     78    // queried with AFTERNOON1.
     79    // Returns 0 for MIDNIGHT and 12 for NOON.
     80    int32_t getEndHourForDayPeriod(DayPeriod dayPeriod, UErrorCode &errorCode) const;
     81 
     82    UBool fHasMidnight;
     83    UBool fHasNoon;
     84    DayPeriod fDayPeriodForHour[24];
     85 };
     86 
     87 U_NAMESPACE_END
     88 
     89 #endif /* DAYPERIODRULES_H */