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44 lines
947 B
Objective-C
44 lines
947 B
Objective-C
//
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// Copyright (c) 2018 Open Whisper Systems. All rights reserved.
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//
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#import "NSString+OWS.h"
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#import "UIView+OWS.h"
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#import <SignalServiceKit/AppContext.h>
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NS_ASSUME_NONNULL_BEGIN
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@implementation NSString (OWS)
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- (NSString *)ows_stripped
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{
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return [self stringByTrimmingCharactersInSet:[NSCharacterSet whitespaceAndNewlineCharacterSet]];
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}
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- (NSString *)rtlSafeAppend:(NSString *)string
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{
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OWSAssert(string);
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if (CurrentAppContext().isRTL) {
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return [string stringByAppendingString:self];
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} else {
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return [self stringByAppendingString:string];
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}
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}
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- (NSString *)removeAllCharactersIn:(NSCharacterSet *)characterSet
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{
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OWSAssert(characterSet);
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return [[self componentsSeparatedByCharactersInSet:characterSet] componentsJoinedByString:@""];
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}
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- (NSString *)digitsOnly
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{
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return [self removeAllCharactersIn:[NSCharacterSet.decimalDigitCharacterSet invertedSet]];
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}
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@end
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NS_ASSUME_NONNULL_END
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