New headers

git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/base/trunk@3367 72102866-910b-0410-8b05-ffd578937521

Source/NSDateFormatter.m

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+/* Implementation of NSDateFormatter class
+   Copyright (C) 1998 Free Software Foundation, Inc.
+
+   Written by:  Richard Frith-Macdonald <richard@brainstorm.co.uk>
+   Created: December 1998
+
+   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.
+   */
+
+#include <config.h>
+#include <Foundation/NSDate.h>
+#include <Foundation/NSFormatter.h>
+#include <Foundation/NSDateFormatter.h>
+#include <Foundation/NSString.h>
+#include <Foundation/NSCoder.h>
+
+@implementation NSDateFormatter
+
+- (BOOL) allowsNaturalLanguage
+{
+  return allowsNaturalLanguage;
+}
+
+- (NSAttributedString*) attributedStringForObjectValue: (id)anObject
+				 withDefaultAttributes: (NSDictionary*)attr
+{
+  return nil;
+}
+
+- (id) copyWithZone: (NSZone*)zone
+{
+  NSDateFormatter	*other = (id)NSCopyObject(self, 0, zone);
+
+  [other->dateFormat retain];
+  return other;
+}
+
+- (NSString*) dateFormat
+{
+  return dateFormat;
+}
+
+- (NSString*) editingStringForObjectValue: (id)anObject
+{
+  return [self stringForObjectValue: anObject];
+}
+
+- (void) encodeWithCoder: (NSCoder*)aCoder
+{
+  [aCoder encodeValuesOfObjCTypes: "@C", &dateFormat, &allowsNaturalLanguage];
+}
+
+- (BOOL) getObjectValue: (id*)anObject
+	      forString: (NSString*)string
+       errorDescription: (NSString**)error
+{
+  NSCalendarDate	*d;
+
+  d = [NSCalendarDate dateWithString: string calendarFormat: dateFormat];
+  if (d == nil)
+    {
+      if (allowsNaturalLanguage)
+	{
+	  d = [NSCalendarDate dateWithNaturalLanguageString: string];
+	}
+      if (d == nil)
+	{
+	  *error = @"Couldn't convert to date";
+	  return NO;
+	}
+    }
+  *anObject = d;
+  return YES;
+}
+
+- (id) initWithCoder: (NSCoder*)aCoder
+{
+  [aCoder decodeValuesOfObjCTypes: "@C", &dateFormat, &allowsNaturalLanguage];
+  return self;
+}
+
+- (id) initWithDateFormat: (NSString *)format
+     allowNaturalLanguage: (BOOL)flag
+{
+  dateFormat = [format copy];
+  allowsNaturalLanguage = flag;
+  return self;
+}
+
+- (BOOL) isPartialStringValid: (NSString*)partialString
+	     newEditingString: (NSString**)newString
+	     errorDescription: (NSString**)error
+{
+  *newString = nil;
+  *error = nil;
+  return YES;
+}
+
+- (NSString*) stringForObjectValue: (id)anObject
+{
+  if ([anObject isKindOfClass: [NSDate class]] == NO)
+    {
+      return nil;
+    }
+  return [anObject descriptionWithCalendarFormat: dateFormat
+					timeZone: [NSTimeZone defaultTimeZone]
+					  locale: nil];
+}
+@end
+