mods/atsocial_iphone_app/OAuth/Extensions/NSString+URLEncoding.m

   1 //
   2 //  NSString+URLEncoding.m
   3 //
   4 //  Created by Jon Crosby on 10/19/07.
   5 //  Copyright 2007 Kaboomerang LLC. All rights reserved.
   6 //  Modified by Cassie Doll on 02/02/09
   7 //
   8 //  Permission is hereby granted, free of charge, to any person obtaining a copy
   9 //  of this software and associated documentation files (the "Software"), to deal
  10 //  in the Software without restriction, including without limitation the rights
  11 //  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
  12 //  copies of the Software, and to permit persons to whom the Software is
  13 //  furnished to do so, subject to the following conditions:
  14 //
  15 //  The above copyright notice and this permission notice shall be included in
  16 //  all copies or substantial portions of the Software.
  17 //
  18 //  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  19 //  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  20 //  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  21 //  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  22 //  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  23 //  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
  24 //  THE SOFTWARE.
  25
  26
  27 #import "NSString+URLEncoding.h"
  28
  29
  30 @implementation NSString (OAURLEncodingAdditions)
  31
  32 - (NSString *)URLEncodedString
  33 {
  34   NSString *result = (NSString *)CFURLCreateStringByAddingPercentEscapes(kCFAllocatorDefault,
  35                                                                          (CFStringRef)self,
  36                                                                          NULL,
  37                                                                          CFSTR("!*'();:@&=+$,/?#[]"),
  38                                                                          kCFStringEncodingUTF8);
  39   [result autorelease];
  40   return result;
  41 }
  42
  43 - (NSString *)MinimalURLEncodedString {
  44   NSString *result = (NSString *)CFURLCreateStringByAddingPercentEscapes(kCFAllocatorDefault,
  45                                                                          (CFStringRef)self,
  46                                                                          CFSTR("%"),             // characters to leave unescaped (NULL = all escaped sequences are replaced)
  47                                                                          CFSTR("?=&+"),          // legal URL characters to be escaped (NULL = all legal characters are replaced)
  48                                                                          kCFStringEncodingUTF8); // encoding
  49   [result autorelease];
  50   return result;
  51 }
  52
  53 - (NSString*)URLDecodedString
  54 {
  55   NSString *result = (NSString *)CFURLCreateStringByReplacingPercentEscapesUsingEncoding(kCFAllocatorDefault,
  56                                                                                          (CFStringRef)self,
  57                                                                                          CFSTR(""),
  58                                                                                          kCFStringEncodingUTF8);
  59   [result autorelease];
  60   return result;
  61 }
  62
  63 @end