diff options
Diffstat (limited to 'tikzit/src/common/NSString+Tikz.m')
| -rw-r--r-- | tikzit/src/common/NSString+Tikz.m | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/tikzit/src/common/NSString+Tikz.m b/tikzit/src/common/NSString+Tikz.m index 520ffd3..1e3073b 100644 --- a/tikzit/src/common/NSString+Tikz.m +++ b/tikzit/src/common/NSString+Tikz.m @@ -23,12 +23,21 @@ - (NSString*) tikzEscapedString { static NSCharacterSet *avoid = nil; if (avoid == nil) - avoid = [[[NSCharacterSet characterSetWithCharactersInString:@"abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ<>-'0123456789. "] invertedSet] retain]; +#if __has_feature(objc_arc) + avoid = [[NSCharacterSet characterSetWithCharactersInString:@"abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ<>-'0123456789. "] invertedSet]; +#else + avoid = [[[NSCharacterSet characterSetWithCharactersInString:@"abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ<>-'0123456789. "] invertedSet] retain]; +#endif + if ([self rangeOfCharacterFromSet:avoid].length > 0) { return [NSString stringWithFormat:@"{%@}", self]; } else { +#if __has_feature(objc_arc) + return self; +#else return [[self retain] autorelease]; +#endif } } |