Adding URLDecode, a complementary function for URLEncode. Updated NSString related unit tests.

src/TapkuLibrary/NSString+TKCategory.h

@@ -45,6 +45,8 @@
  */
 - (NSString*) URLEncode;
 
+- (NSString*) URLDecode;
+
 /** Returns a `NSString` that properly replaces HTML specific character sequences. 
  @return An escaped HTML string.
  */

src/TapkuLibrary/NSString+TKCategory.m

@@ -63,6 +63,15 @@ - (NSString*) URLEncode{
 
 }
 
+- (NSString*) URLDecode{
+
+    NSString *decodedString = (__bridge_transfer NSString *)CFURLCreateStringByReplacingPercentEscapesUsingEncoding(
+            NULL,
+            (__bridge CFStringRef)self,
+            CFSTR(""),
+            kCFStringEncodingUTF8);
+    return decodedString;
+}
 
 - (NSString *) escapeHTML{
 	NSMutableString *s = [NSMutableString string];
@@ -92,9 +101,6 @@ - (NSString *) escapeHTML{
 			case '"':
 				[s appendString:@"""];
 				break;
-				//			case '…':
-				//				[s appendString:@"…"];
-				//				break;
 			case '&':
 				[s appendString:@"&"];
 				break;
@@ -176,10 +182,6 @@ - (BOOL) hasString:(NSString*)substring{
 	return !([self rangeOfString:substring].location == NSNotFound);
 }
 
-
-
-
-
 - (NSString*) formattedPhoneNumberWithLastCharacterRemoved:(BOOL)deleteLastChar{
 	if(self.length<1) return @"";
 

src/Tests/NSStringTests.m

@@ -57,6 +57,14 @@ - (void) testURLEncode{
 	STAssertEqualObjects([@"\"Aardvarks lurk, OK?\"" URLEncode], @"%22Aardvarks%20lurk%2C%20OK%3F%22", nil);
 }
 
+- (void) testURLDecode {
+    NSString * originalString = @"?test ;";
+    NSString* encoded = [originalString URLEncode];
+
+    STAssertEqualObjects(@"%3Ftest%20%3B", encoded, @"encode should work");
+    STAssertEqualObjects(originalString, [encoded URLDecode], @"decode should work");
+}
+
 
 - (void) testHasString{