2009-01-13 05:13:56 +00:00
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//
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// SUVersionComparisonProtocol.h
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// Sparkle
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//
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// Created by Andy Matuschak on 12/21/07.
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// Copyright 2007 Andy Matuschak. All rights reserved.
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//
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#ifndef SUVERSIONCOMPARISONPROTOCOL_H
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#define SUVERSIONCOMPARISONPROTOCOL_H
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2018-10-04 20:17:29 +00:00
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#if __has_feature(modules)
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@import Foundation;
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#else
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#import <Foundation/Foundation.h>
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#endif
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#import "SUExport.h"
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NS_ASSUME_NONNULL_BEGIN
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2009-01-13 05:13:56 +00:00
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/*!
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2018-10-04 20:17:29 +00:00
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Provides version comparison facilities for Sparkle.
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2009-01-13 05:13:56 +00:00
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*/
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@protocol SUVersionComparison
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/*!
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2018-10-04 20:17:29 +00:00
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An abstract method to compare two version strings.
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Should return NSOrderedAscending if b > a, NSOrderedDescending if b < a,
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and NSOrderedSame if they are equivalent.
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2009-01-13 05:13:56 +00:00
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*/
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2018-10-04 20:17:29 +00:00
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- (NSComparisonResult)compareVersion:(NSString *)versionA toVersion:(NSString *)versionB; // *** MAY BE CALLED ON NON-MAIN THREAD!
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2009-01-13 05:13:56 +00:00
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@end
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2018-10-04 20:17:29 +00:00
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NS_ASSUME_NONNULL_END
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2009-01-13 05:13:56 +00:00
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#endif
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