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43 lines
1.1 KiB
Objective-C
43 lines
1.1 KiB
Objective-C
//
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// Copyright (c) 2017 Open Whisper Systems. All rights reserved.
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//
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#import "NSAttributedString+OWS.h"
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#import "UIView+OWS.h"
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NS_ASSUME_NONNULL_BEGIN
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@implementation NSAttributedString (OWS)
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- (NSAttributedString *)rtlSafeAppend:(NSString *)text
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attributes:(NSDictionary *)attributes
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referenceView:(UIView *)referenceView
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{
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OWSAssert(text);
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OWSAssert(attributes);
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OWSAssert(referenceView);
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NSAttributedString *substring = [[NSAttributedString alloc] initWithString:text attributes:attributes];
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return [self rtlSafeAppend:substring referenceView:referenceView];
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}
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- (NSAttributedString *)rtlSafeAppend:(NSAttributedString *)string referenceView:(UIView *)referenceView
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{
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OWSAssert(string);
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OWSAssert(referenceView);
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NSMutableAttributedString *result = [NSMutableAttributedString new];
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if ([referenceView isRTL]) {
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[result appendAttributedString:string];
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[result appendAttributedString:self];
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} else {
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[result appendAttributedString:self];
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[result appendAttributedString:string];
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}
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return [result copy];
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}
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@end
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NS_ASSUME_NONNULL_END
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