Security-57031.1.35.tar.gz

[apple/security.git] / Security / Keychain Circle Notification / NSString+compactDescription.m

diff --git a/Security/Keychain Circle Notification/NSString+compactDescription.m b/Security/Keychain Circle Notification/NSString+compactDescription.m
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+++ b/Security/Keychain Circle Notification/NSString+compactDescription.m
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+/*
+ * Copyright (c) 2013-2014 Apple Inc. All Rights Reserved.
+ *
+ * @APPLE_LICENSE_HEADER_START@
+ * 
+ * This file contains Original Code and/or Modifications of Original Code
+ * as defined in and that are subject to the Apple Public Source License
+ * Version 2.0 (the 'License'). You may not use this file except in
+ * compliance with the License. Please obtain a copy of the License at
+ * http://www.opensource.apple.com/apsl/ and read it before using this
+ * file.
+ * 
+ * The Original Code and all software distributed under the License are
+ * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
+ * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
+ * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
+ * Please see the License for the specific language governing rights and
+ * limitations under the License.
+ * 
+ * @APPLE_LICENSE_HEADER_END@
+ */
+
+
+#import "NSString+compactDescription.h"
+
+@implementation NSString (compactDescription)
+
+-(NSString*)compactDescription
+{
+       static NSCharacterSet *forceQuotes = nil;
+       static dispatch_once_t setup;
+       dispatch_once(&setup, ^{
+               forceQuotes = [NSCharacterSet characterSetWithCharactersInString:@"\"' \t\n\r="];
+       });
+       
+       if ([self rangeOfCharacterFromSet:forceQuotes].location != NSNotFound) {
+               NSString *escaped = [self stringByReplacingOccurrencesOfString:@"\\" withString:@"\\\\"];
+               escaped = [escaped stringByReplacingOccurrencesOfString:@"\"" withString:@"\\\""];
+               return [NSString stringWithFormat:@"\"%@\"", escaped];
+       } else {
+               return self;
+       }
+}
+
+@end