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1 files changed, 58 insertions, 0 deletions

diff --git a/Plugins/BuiltInFunctions/NaturalDateFormatter.m b/Plugins/BuiltInFunctions/NaturalDateFormatter.m
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+++ b/Plugins/BuiltInFunctions/NaturalDateFormatter.m
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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