_strings: Numeric string extraction routines.

[python-collate.git] / collate / _abcollator.py

diff --git a/collate/_abcollator.py b/collate/_abcollator.py
index 71f5f54..a6ec268 100644 (file)
--- a/collate/_abcollator.py
+++ b/collate/_abcollator.py
@@ -2,3 +2,13 @@ class Collator(object):
     def cmp(self, string1, string2):
         """Return negative if a < b, zero if a == b, positive if a > b."""
         return cmp(self.key(string1), self.key(string2))
+
+    def words(self, string):
+        """Split the string into separate words.
+
+        This split is done using Unicode's definition of whitespace.
+        """
+        return string.split()
+
+    def wordkeys(self, string):
+        return map(self.key, self.words)