Sparkle.framework/Versions/A/Headers/SUVersionComparisonProtocol.h

   1 //
   2 //  SUVersionComparisonProtocol.h
   3 //  Sparkle
   4 //
   5 //  Created by Andy Matuschak on 12/21/07.
   6 //  Copyright 2007 Andy Matuschak. All rights reserved.
   7 //
   8
   9 #ifndef SUVERSIONCOMPARISONPROTOCOL_H
  10 #define SUVERSIONCOMPARISONPROTOCOL_H
  11
  12 /*!
  13     @protocol
  14     @abstract    Implement this protocol to provide version comparison facilities for Sparkle.
  15 */
  16 @protocol SUVersionComparison
  17
  18 /*!
  19     @method
  20     @abstract   An abstract method to compare two version strings.
  21     @discussion Should return NSOrderedAscending if b > a, NSOrderedDescending if b < a, and NSOrderedSame if they are equivalent.
  22 */
  23 - (NSComparisonResult)compareVersion:(NSString *)versionA toVersion:(NSString *)versionB;
  24
  25 @end
  26
  27 #endif