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450bc3d4dd
Custom String in Password Generator View are now filtered to only include unique characters
43 lines
1.2 KiB
Objective-C
43 lines
1.2 KiB
Objective-C
//
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// MPUniqueCharactersFormatter.m
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// MacPass
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//
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// Created by Michael Starke on 28.07.13.
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// Copyright (c) 2013 HicknHack Software GmbH. All rights reserved.
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//
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#import "MPUniqueCharactersFormatter.h"
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@implementation MPUniqueCharactersFormatter
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- (NSString *)stringForObjectValue:(id)obj {
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if([obj isKindOfClass:[NSString class]]) {
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return obj;
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}
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return nil;
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}
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- (BOOL)getObjectValue:(out id *)obj forString:(NSString *)string errorDescription:(out NSString **)error {
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*obj = string;
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return YES;
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}
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- (BOOL)isPartialStringValid:(NSString **)partialStringPtr
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proposedSelectedRange:(NSRangePointer)proposedSelRangePtr
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originalString:(NSString *)origString
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originalSelectedRange:(NSRange)origSelRange
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errorDescription:(NSString **)error {
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NSInteger newLenght = [*partialStringPtr length];
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NSInteger oldLenght = [origString length];
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if( oldLenght == 0 || (newLenght < oldLenght)) {
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return YES;
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}
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NSCharacterSet *newCharacterSet = [NSCharacterSet characterSetWithCharactersInString:*partialStringPtr];
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NSCharacterSet *oldCharacterSet = [NSCharacterSet characterSetWithCharactersInString:origString];
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return ![oldCharacterSet isSupersetOfSet:newCharacterSet];
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}
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@end
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