- implemented componentsSeparatedByCharactersInSet:

Foundation/CPString.j

@@ -268,6 +268,37 @@ var CPStringRegexSpecialCharacters = [
     return split(aString);
 }
 
+/*!
+    Tokenizes the receiver string using the charactes
+    in a given set. For example, if the receiver is:
+    \c "Baku baku to jest  skład."
+    and the set is [CPCharacterSet whitespaceCharacterSet]
+    the returned array would contain:
+    <pre> ["Baku", "baku", "to", "jest", "", "skład."] </pre>
+	Adjacent occurences of the separator characters produce empty strings in the result.
+	@author Arkadiusz Młynarczyk <arek@tupux.com>
+    @param A character set containing the characters to use to split the receiver. Must not be nil.
+    @return An CPArray object containing substrings from the receiver that have been divided by characters in separator.
+*/
+- (CPArray)componentsSeparatedByCharactersInSet:(CPCharacterSet)separator 
+{
+	CPMutableArray components = [CPMutableArray array];
+	
+    if (separator && self.length)
+    {
+		CPRange componentRange = CPMakeRange(0, 0);
+		for (var i=0; i < self.length; i++) {
+			if ([separator characterIsMember:self.charAt(i)]) {
+				componentRange.length = i - componentRange.location;
+				[components addObject:[self substringWithRange:componentRange]];
+				componentRange.location += componentRange.length;
+			}
+		};
+		
+    }
+    return components;
+}
+
 /*!
     Returns a substring starting from the specified index to the end of the receiver.
     @param anIndex the starting string (inclusive)