Monotone-Parent: 61e6d0133bf0d45c09767727617ba746f65a28b9

Monotone-Revision: 54ac2dbf42dee286f64da8b9b3c4567570b00258

Monotone-Author: wsourdeau@inverse.ca
Monotone-Date: 2012-08-13T15:29:44
Monotone-Branch: ca.inverse.sogo

ChangeLog

@@ -1,5 +1,8 @@
 2012-08-13  Wolfgang Sourdeau  <wsourdeau@inverse.ca>
 
+	* SoObjects/SOGo/NSString+Utilities.m
+	(-stringByReplacingPrefix:withPrefix:): new self-explicit method.
+
 	* OpenChange/SOGoMAPIDBFolder.m
 	(-childKeysOfType:includeDeleted:matchingQualifier:andSortOrderings:):
 	records now have a c_parent_path column in order to avoid fetch

SoObjects/SOGo/NSString+Utilities.h

@@ -74,7 +74,8 @@
 
 /* substrings */
 - (NSUInteger) countOccurrencesOfString: (NSString *) substring;
-
+- (NSString *) stringByReplacingPrefix: (NSString *) oldPrefix
+                            withPrefix: (NSString *) newPrefix;
 
 /* Those methods provide symmetric enc-/decryption via a XOR operation */
 - (NSString *) encryptWithKey: (NSString *) theKey;

SoObjects/SOGo/NSString+Utilities.m

@@ -560,6 +560,24 @@ static int cssEscapingCount;
   return count;
 }
 
+- (NSString *) stringByReplacingPrefix: (NSString *) oldPrefix
+                            withPrefix: (NSString *) newPrefix
+{
+  NSUInteger oldPrefixLength;
+  NSString *newString;
+
+  if (![self hasPrefix: oldPrefix])
+    [NSException raise: NSInvalidArgumentException
+                 format: @"string does not have the specified prefix"];
+
+  oldPrefixLength = [oldPrefix length];
+  newString = [NSString stringWithFormat: @"%@%@",
+                        newPrefix,
+                        [self substringFromIndex: oldPrefixLength]];
+  
+  return newString;
+}
+
 - (NSString *) encryptWithKey: (NSString *) theKey
 {
   NSMutableData *encryptedPassword;