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45 lines
1.2 KiB
C
45 lines
1.2 KiB
C
5 years ago
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// Copyright (c) 2018 Open Whisper Systems. All rights reserved.
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//
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#import <Foundation/Foundation.h>
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NS_ASSUME_NONNULL_BEGIN
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// These NSTimeInterval constants provide simplified durations for readability.
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//
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// These approximations should never be used for strict date/time calcuations.
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extern const NSTimeInterval kSecondInterval;
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extern const NSTimeInterval kMinuteInterval;
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extern const NSTimeInterval kHourInterval;
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extern const NSTimeInterval kDayInterval;
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extern const NSTimeInterval kWeekInterval;
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extern const NSTimeInterval kMonthInterval;
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extern const NSTimeInterval kYearInterval;
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#define kSecondInMs ((uint64_t)1000)
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#define kMinuteInMs (kSecondInMs * 60)
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#define kHourInMs (kMinuteInMs * 60)
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#define kDayInMs (kHourInMs * 24)
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#define kWeekInMs (kDayInMs * 7)
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#define kMonthInMs (kDayInMs * 30)
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// kYearsInMs is a double to avoid overflow
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#define kYearsInMs (kDayInMs * 365.0)
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@interface NSDate (OWS)
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+ (uint64_t)ows_millisecondTimeStamp;
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+ (NSDate *)ows_dateWithMillisecondsSince1970:(uint64_t)milliseconds;
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+ (uint64_t)ows_millisecondsSince1970ForDate:(NSDate *)date;
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- (BOOL)isAfterDate:(NSDate *)otherDate;
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- (BOOL)isBeforeDate:(NSDate *)otherDate;
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- (BOOL)isAfterNow;
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- (BOOL)isBeforeNow;
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@end
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NS_ASSUME_NONNULL_END
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