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//
// SUStandardVersionComparator.h
// Sparkle
//
// Created by Andy Matuschak on 12/21/07.
// Copyright 2007 Andy Matuschak. All rights reserved.
//

#ifndef SUSTANDARDVERSIONCOMPARATOR_H
#define SUSTANDARDVERSIONCOMPARATOR_H


#import "SUVersionComparisonProtocol.h"

/*!
@class
@abstract Sparkle's default version comparator.
@discussion This comparator is adapted from MacPAD, by Kevin Ballard. It's "dumb" in that it does essentially string comparison, in components split by character type.
*/
@interface SUStandardVersionComparator : NSObject <SUVersionComparison> { }

/*!
@method
@abstract Returns a singleton instance of the comparator.
*/
+ (SUStandardVersionComparator *)defaultComparator;

/*!
@method
@abstract Compares version strings through textual analysis.
@discussion See the implementation for more details.
*/
- (NSComparisonResult)compareVersion:(NSString *)versionA toVersion:(NSString *)versionB;
@end

#endif
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