-import collate._strings
+import collate.strings
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 along word boundries."""
+ if isinstance(string, str):
+ string = string.decode(self.encoding, 'replace')
+ return string.split()
+
def sortemekey(self, string, invalid=float('inf')):
+ """Return a key based on sortemes of a string.
+
+ If the string is a str instance, it is decoded to a unicode
+ instance according to the 'encoding' attribute of the
+ Collator.
+ """
keys = []
- for sorteme in collate._strings.sortemes(string):
- num, alpha = collate._strings.numeric(sorteme, invalid)
+ if isinstance(string, str):
+ string = string.decode(self.encoding, 'replace')
+ for sorteme in collate.strings.sortemes(string):
+ num, alpha = collate.strings.numeric(sorteme, invalid)
if num == invalid:
keys.append(self.key(alpha))
else: