2
0
MasterPassword/platform-darwin/Source/MPAlgorithm.m

62 lines
2.0 KiB
Objective-C

/**
* Copyright Maarten Billemont (http://www.lhunath.com, lhunath@lyndir.com)
*
* See the enclosed file LICENSE for license information (LGPLv3). If you did
* not receive this file, see http://www.gnu.org/licenses/lgpl-3.0.txt
*
* @author Maarten Billemont <lhunath@lyndir.com>
* @license http://www.gnu.org/licenses/lgpl-3.0.txt
*/
//
// MPAlgorithm
//
// Created by Maarten Billemont on 16/07/12.
// Copyright 2012 lhunath (Maarten Billemont). All rights reserved.
//
#import "MPAlgorithm.h"
id<MPAlgorithm> MPAlgorithmForVersion(MPAlgorithmVersion version) {
static NSMutableDictionary *versionToAlgorithm = nil;
if (!versionToAlgorithm)
versionToAlgorithm = [NSMutableDictionary dictionary];
id<MPAlgorithm> algorithm = versionToAlgorithm[@(version)];
if (!algorithm && (algorithm = (id<MPAlgorithm>)[NSClassFromString( strf( @"MPAlgorithmV%lu", (unsigned long)version ) ) new]))
versionToAlgorithm[@(version)] = algorithm;
return algorithm;
}
id<MPAlgorithm> MPAlgorithmDefaultForBundleVersion(NSString *bundleVersion) {
if (PearlCFBundleVersionCompare( bundleVersion, @"1.3" ) == NSOrderedAscending)
// Pre-1.3
return MPAlgorithmForVersion( 0 );
if (PearlCFBundleVersionCompare( bundleVersion, @"2.1" ) == NSOrderedAscending)
// Pre-2.1
return MPAlgorithmForVersion( 1 );
return MPAlgorithmDefault;
}
NSString *NSStringFromTimeToCrack(TimeToCrack timeToCrack) {
if (timeToCrack.universes > 1)
return strl( @"> age of the universe" );
else if (timeToCrack.years > 1)
return strl( @"%d years", timeToCrack.years );
else if (timeToCrack.months > 1)
return strl( @"%d months", timeToCrack.months );
else if (timeToCrack.weeks > 1)
return strl( @"%d weeks", timeToCrack.weeks );
else if (timeToCrack.days > 1)
return strl( @"%d days", timeToCrack.days );
else if (timeToCrack.hours > 1)
return strl( @"%d hours", timeToCrack.hours );
else
return strl( @"trivial" );
}