ftp.nice.ch/Attic/openStep/implementation/gnustep/sources/gstep-base-0.2.7.tgz#/gstep-base-0.2.7/src/include/NSDate.h

This is NSDate.h in view mode; [Download] [Up]

/* Interface for NSDate for GNUStep
   Copyright (C) 1994, 1996 Free Software Foundation, Inc.

   This file is part of the GNUstep Base Library.

   This library is free software; you can redistribute it and/or
   modify it under the terms of the GNU Library General Public
   License as published by the Free Software Foundation; either
   version 2 of the License, or (at your option) any later version.

   This library is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   Library General Public License for more details.

   You should have received a copy of the GNU Library General Public
   License along with this library; if not, write to the Free
   Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
   */

#ifndef __NSDate_h_GNUSTEP_BASE_INCLUDE
#define __NSDate_h_GNUSTEP_BASE_INCLUDE

#include <Foundation/NSObject.h>

/* Time interval difference between two dates, in seconds. */
typedef double NSTimeInterval;

@class NSArray;
@class NSCalendarDate;
@class NSDictionary;
@class NSString;
@class NSTimeZone;
@class NSTimeZoneDetail;

@interface NSDate : NSObject <NSCopying>

// Getting current time

+ (NSTimeInterval) timeIntervalSinceReferenceDate;

// Allocation and initializing

+ (id) allocWithZone: (NSZone*)z;
+ (NSDate*) date;
+ (NSDate*) dateWithTimeIntervalSinceNow: (NSTimeInterval)seconds;
+ (NSDate*) dateWithTimeIntervalSinceReferenceDate: (NSTimeInterval)seconds;
+ (NSDate*) distantFuture;
+ (NSDate*) distantPast;
- (id) init;
- (id) initWithString: (NSString*)description;
- (NSDate*) initWithTimeInterval: (NSTimeInterval)secsToBeAdded
		       sinceDate: (NSDate*)anotherDate;
- (NSDate*) initWithTimeIntervalSinceNow: (NSTimeInterval)secsToBeAdded;
- (id) initWithTimeIntervalSinceReferenceDate: (NSTimeInterval)secs;

// Converting to NSCalendar

- (NSCalendarDate *) dateWithCalendarFormat: (NSString*)formatString
				   timeZone: (NSTimeZone*)timeZone;

// Representing dates

- (NSString*) description;
- (NSString*) descriptionWithCalendarFormat: (NSString*)format
				   timeZone: (NSTimeZone*)aTimeZone;

// Adding and getting intervals

- (NSDate*) addTimeInterval: (NSTimeInterval)seconds;
- (NSTimeInterval) timeIntervalSinceDate: (NSDate*)otherDate;
- (NSTimeInterval) timeIntervalSinceNow;
- (NSTimeInterval) timeIntervalSinceReferenceDate;

// Comparing dates

- (NSComparisonResult) compare: (NSDate*)otherDate;
- (NSDate*) earlierDate: (NSDate*)otherDate;
- (BOOL) isEqual: (id)other;
- (NSDate*) laterDate: (NSDate*)otherDate;

@end

@interface NSTimeZone : NSObject

//Initializing the class
+ (void)initialize;

//Creating and Initializing an NSTimeZone
+ (NSTimeZoneDetail *)defaultTimeZone;
+ (NSTimeZone *)localTimeZone;
+ (NSTimeZone *)timeZoneForSecondsFromGMT:(int)seconds;
+ (NSTimeZoneDetail *)timeZoneWithAbbreviation:(NSString *)abbreviation;  
+ (NSTimeZone *)timeZoneWithName:(NSString *)aTimeZoneName;
- (NSTimeZoneDetail *)timeZoneDetailForDate:(NSDate *)date;

//Managing Time Zones
+ (void)setDefaultTimeZone:(NSTimeZone *)aTimeZone;

// Getting Time Zone Information
+ (NSDictionary *)abbreviationDictionary;
- (NSString *)timeZoneName;

//Getting Arrays of Time Zones
+ (NSArray *)timeZoneArray;
- (NSArray *)timeZoneDetailArray;

@end

@interface NSTimeZone (NSCoding) <NSCoding>
- (void)encodeWithCoder:(NSCoder *)aCoder;
- (id)initWithCoder:(NSCoder *)aDecoder;
@end

@interface NSTimeZone (NSCopying) <NSCopying>
- (id)copyWithZone:(NSZone *)zone;
@end

@interface NSTimeZoneDetail : NSTimeZone

//Querying an NSTimeZoneDetail
- (BOOL)isDaylightSavingTimeZone;
- (NSString *)timeZoneAbbreviation;
- (int)timeZoneSecondsFromGMT;

// comparing
- (BOOL)isEqual:anObject;
- (unsigned int)hash;

@end

#endif  /* __NSDate_h_GNUSTEP_BASE_INCLUDE */

These are the contents of the former NiCE NeXT User Group NeXTSTEP/OpenStep software archive, currently hosted by Netfuture.ch.