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125 lines
3 KiB
Mathematica
125 lines
3 KiB
Mathematica
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/* Implementation of NSDateFormatter class
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Copyright (C) 1998 Free Software Foundation, Inc.
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Written by: Richard Frith-Macdonald <richard@brainstorm.co.uk>
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Created: December 1998
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This file is part of the GNUstep Base Library.
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public
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License as published by the Free Software Foundation; either
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version 2 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public
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License along with this library; if not, write to the Free
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Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#include <config.h>
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#include <Foundation/NSDate.h>
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#include <Foundation/NSFormatter.h>
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#include <Foundation/NSDateFormatter.h>
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#include <Foundation/NSString.h>
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#include <Foundation/NSCoder.h>
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@implementation NSDateFormatter
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- (BOOL) allowsNaturalLanguage
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{
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return allowsNaturalLanguage;
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}
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- (NSAttributedString*) attributedStringForObjectValue: (id)anObject
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withDefaultAttributes: (NSDictionary*)attr
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{
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return nil;
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}
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- (id) copyWithZone: (NSZone*)zone
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{
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NSDateFormatter *other = (id)NSCopyObject(self, 0, zone);
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[other->dateFormat retain];
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return other;
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}
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- (NSString*) dateFormat
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{
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return dateFormat;
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}
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- (NSString*) editingStringForObjectValue: (id)anObject
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{
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return [self stringForObjectValue: anObject];
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}
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- (void) encodeWithCoder: (NSCoder*)aCoder
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{
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[aCoder encodeValuesOfObjCTypes: "@C", &dateFormat, &allowsNaturalLanguage];
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}
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- (BOOL) getObjectValue: (id*)anObject
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forString: (NSString*)string
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errorDescription: (NSString**)error
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{
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NSCalendarDate *d;
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d = [NSCalendarDate dateWithString: string calendarFormat: dateFormat];
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if (d == nil)
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{
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if (allowsNaturalLanguage)
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{
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d = [NSCalendarDate dateWithNaturalLanguageString: string];
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}
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if (d == nil)
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{
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*error = @"Couldn't convert to date";
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return NO;
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}
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}
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*anObject = d;
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return YES;
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}
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- (id) initWithCoder: (NSCoder*)aCoder
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{
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[aCoder decodeValuesOfObjCTypes: "@C", &dateFormat, &allowsNaturalLanguage];
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return self;
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}
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- (id) initWithDateFormat: (NSString *)format
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allowNaturalLanguage: (BOOL)flag
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{
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dateFormat = [format copy];
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allowsNaturalLanguage = flag;
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return self;
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}
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- (BOOL) isPartialStringValid: (NSString*)partialString
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newEditingString: (NSString**)newString
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errorDescription: (NSString**)error
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{
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*newString = nil;
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*error = nil;
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return YES;
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}
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- (NSString*) stringForObjectValue: (id)anObject
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{
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if ([anObject isKindOfClass: [NSDate class]] == NO)
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{
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return nil;
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}
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return [anObject descriptionWithCalendarFormat: dateFormat
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timeZone: [NSTimeZone defaultTimeZone]
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locale: nil];
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}
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@end
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