//
//  DSDateCategories.h
//  Shared categories
//
//  Created by David Sinclair on Thu Apr 17 2003.
//  Copyright (c) 2003 - 2007 Dejal Systems, LLC. All rights reserved.
//
//  Redistribution and use in source and binary forms, with or without modification,
//  are permitted provided that the following conditions are met:
//  
//  Redistributions of source code must retain this list of conditions and the following disclaimer.
//  
//  The name of Dejal Systems, LLC may not be used to endorse or promote products derived from this
//  software without specific prior written permission.
//  
//  THIS SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
//  INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
//  PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS. IN NO EVENT SHALL THE AUTHORS OR
//  COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
//  ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
//  SOFTWARE OR THE USE OR OTHER DEALINGS IN THIS SOFTWARE.
//

#import <Foundation/Foundation.h>


@interface NSDate (DSDateCategories)

+ (NSDate *)carbonEpoch;
+ (NSDate *)dateWithCarbonDate:(unsigned long)carbonDate;

- (unsigned long)carbonDate;

- (NSCalendarDate *)convertToCalendarDate;

- (NSString *)descriptionWithShortDateAndOrTime;
- (NSString *)descriptionWithShortDateTime;
- (NSString *)descriptionWithShortDate;
- (NSString *)descriptionWithTime;

@end


// ----------------------------------------------------------------------------------------
#pragma mark -
// ----------------------------------------------------------------------------------------


@interface NSCalendarDate (DSDateCategories)

+ (id)dateWithYear:(int)year month:(unsigned)month day:(unsigned)day;
+ (id)dateWithHour:(unsigned)hour minute:(unsigned)minute second:(unsigned)second;

- (id)dateComponent;
- (id)timeComponent;

- (id)dateBySettingDateComponent:(NSCalendarDate *)value;
- (id)dateBySettingTimeComponent:(NSCalendarDate *)value;

@end