[Zope-CVS] CVS: Products/ZCTextIndex - WidCode.py:1.1.2.3

[Tim Peters]

Update of /cvs-repository/Products/ZCTextIndex
In directory cvs.zope.org:/tmp/cvs-serv18469

Modified Files:
      Tag: TextIndexDS9-branch
	WidCode.py 
Log Message:
Changed the _encoding table from a dict to a tuple (it's indexed by all
the ints in range(0x1000) -- no need for a dict here)


=== Products/ZCTextIndex/WidCode.py 1.1.2.2 => 1.1.2.3 ===
 
 def encode(wids):
-    # Encode a list of wids as a string
-    get = _encoding.get
-    return "".join([get(w) or _encode(w) for w in wids])
+    # Encode a list of wids as a string.
+    wid2enc = _encoding
+    n = len(wid2enc)
+    return "".join([w < n and wid2enc[w] or _encode(w) for w in wids])
 
-_encoding = {} # Filled later
+_encoding = [None] * 0x1000 # Filled later, and converted to a tuple
 
 def _encode(w):
     assert 0x1000 <= w < 0x1000000
@@ -88,6 +89,7 @@
     return ((a & 0x7) << 21) | (b << 14) | (c << 7) | d
 
 def _fill():
+    global _encoding
     for i in range(0x40):
         s = chr(i + 0x80)
         _encoding[i] = s
@@ -97,6 +99,7 @@
         s = chr(hi + 0xC0) + chr(lo)
         _encoding[i] = s
         _decoding[s] = i
+    _encoding = tuple(_encoding)
 
 _fill()