NSString+FixFilename.m

   1 //
   2 //  NSString+FixFilename.m
   3 //  Enjoyable
   4 //
   5 //  Created by Joe Wreschnig on 3/7/13.
   6 //
   7 //
   8
   9 #import "NSString+FixFilename.h"
  10
  11 @implementation NSString (FixFilename)
  12
  13 - (NSString *)stringByFixingPathComponent {
  14     static NSCharacterSet *invalid;
  15     if (!invalid)
  16         invalid = [NSCharacterSet characterSetWithCharactersInString:@"/:"];
  17     NSArray *parts = [self componentsSeparatedByCharactersInSet:invalid];
  18     NSString *newName = [parts componentsJoinedByString:@""];
  19     if (!newName.length)
  20         return @"_";
  21     if ([newName characterAtIndex:0] == '.')
  22         newName = [@"_" stringByAppendingString:newName];
  23     return newName;
  24 }
  25
  26 @end