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//
// NaturalDateFormatter.m
// BuiltInFunctions
//
// Created by Brian Cully on Sun Aug 31 2003.
// Copyright (c) 2003 Brian Cully. All rights reserved.
//
#import "NaturalDateFormatter.h"
#import "LiBuiltInFunctions.h"
static NSString *
myLocalizedString(NSString *aString)
{
return NSLocalizedStringFromTableInBundle(aString, @"BuiltInFunctions",
[LiBuiltInFunctions bundle], @"");
}
@implementation NaturalDateFormatter
- (id)initWithNaturalLanguage: (BOOL)flag
{
NSString *format;
format = [[NSUserDefaults standardUserDefaults] objectForKey: NSShortDateFormatString];
self = [super initWithDateFormat: format allowNaturalLanguage: flag];
return self;
}
- (NSString *)stringForObjectValue: (id)anObject
{
NSString *stringValue;
if ([anObject isKindOfClass: [NSDate class]]) {
NSCalendarDate *testDate;
int todayNum, myNum;
testDate = [NSCalendarDate dateWithTimeIntervalSinceReferenceDate:
[(NSDate *)anObject timeIntervalSinceReferenceDate]];
myNum = [[NSCalendarDate calendarDate] dayOfCommonEra];
todayNum = [testDate dayOfCommonEra];
if (myNum == todayNum)
stringValue = myLocalizedString(@"Today");
else if (todayNum == (myNum - 1))
stringValue = myLocalizedString(@"Yesterday");
else if (todayNum == (myNum + 1))
stringValue = myLocalizedString(@"Tomorrow");
else {
stringValue = [testDate descriptionWithCalendarFormat:
[self dateFormat]];
}
} else
stringValue = [super stringForObjectValue: anObject];
return stringValue;
}
@end
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