diff options
Diffstat (limited to 'platform/darwin/src/NSString+MGLAdditions.m')
| -rw-r--r-- | platform/darwin/src/NSString+MGLAdditions.m | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/platform/darwin/src/NSString+MGLAdditions.m b/platform/darwin/src/NSString+MGLAdditions.m index 04a65dc5e2..5c32f4b789 100644 --- a/platform/darwin/src/NSString+MGLAdditions.m +++ b/platform/darwin/src/NSString+MGLAdditions.m @@ -10,6 +10,28 @@ return self.length ? self : nil; } +- (NSString *)mgl_titleCasedStringWithLocale:(NSLocale *)locale { + NSMutableString *string = self.mutableCopy; + [string enumerateLinguisticTagsInRange:string.mgl_wholeRange scheme:NSLinguisticTagSchemeLexicalClass options:0 orthography:nil usingBlock:^(NSString * _Nonnull tag, NSRange tokenRange, NSRange sentenceRange, BOOL * _Nonnull stop) { + NSString *word = [string substringWithRange:tokenRange]; + if (word.length > 3 + || !([tag isEqualToString:NSLinguisticTagConjunction] + || [tag isEqualToString:NSLinguisticTagPreposition] + || [tag isEqualToString:NSLinguisticTagDeterminer] + || [tag isEqualToString:NSLinguisticTagParticle] + || [tag isEqualToString:NSLinguisticTagClassifier])) { + unichar firstLetter = [[word capitalizedStringWithLocale:locale] characterAtIndex:0]; + NSString *suffix = [word substringFromIndex:1]; + if (!([word hasPrefix:@"i"] && suffix.length + && [[NSCharacterSet uppercaseLetterCharacterSet] characterIsMember:[suffix characterAtIndex:0]])) { + word = [NSString stringWithFormat:@"%C%@", firstLetter, suffix]; + } + } + [string replaceCharactersInRange:tokenRange withString:word]; + }]; + return string; +} + @end @implementation NSAttributedString (MGLAdditions) |