[PATCH 1 of 3] move filename encoding functions from util to filelog

[Adrian Buehlmann]

# HG changeset patch
# User Adrian Buehlmann <adrian at cadifra.com>
# Date 1216299441 -7200
# Node ID 64d51f7facf9804d3b004f4eae7844ae7a1937ca
# Parent  2134d6c09432e4e3dbee18d93ec9242a332f7cdc
move filename encoding functions from util to filelog

diff --git a/mercurial/filelog.py b/mercurial/filelog.py
--- a/mercurial/filelog.py
+++ b/mercurial/filelog.py
@@ -81,3 +81,36 @@
             return t2 != text
 
         return revlog.cmp(self, node, text)
+
+def _buildencodefun():
+    e = '_'
+    win_reserved = [ord(x) for x in '\\:*?"<>|']
+    cmap = dict([ (chr(x), chr(x)) for x in xrange(127) ])
+    for x in (range(32) + range(126, 256) + win_reserved):
+        cmap[chr(x)] = "~%02x" % x
+    for x in range(ord("A"), ord("Z")+1) + [ord(e)]:
+        cmap[chr(x)] = e + chr(x).lower()
+    dmap = {}
+    for k, v in cmap.iteritems():
+        dmap[v] = k
+    def decode(s):
+        i = 0
+        while i < len(s):
+            for l in xrange(1, 4):
+                try:
+                    yield dmap[s[i:i+l]]
+                    i += l
+                    break
+                except KeyError:
+                    pass
+            else:
+                raise KeyError
+    return (lambda s: "".join([cmap[c] for c in s]),
+            lambda s: "".join(list(decode(s))))
+
+encodefilename, decodefilename = _buildencodefun()
+
+def encodedopener(openerfn, fn):
+    def o(path, *args, **kw):
+        return openerfn(fn(path), *args, **kw)
+    return o
diff --git a/mercurial/localrepo.py b/mercurial/localrepo.py
--- a/mercurial/localrepo.py
+++ b/mercurial/localrepo.py
@@ -62,8 +62,8 @@
 
         # setup store
         if "store" in requirements:
-            self.encodefn = util.encodefilename
-            self.decodefn = util.decodefilename
+            self.encodefn = filelog.encodefilename
+            self.decodefn = filelog.decodefilename
             self.spath = os.path.join(self.path, "store")
         else:
             self.encodefn = lambda x: x
@@ -83,7 +83,7 @@
         self.opener.createmode = mode
         sopener = util.opener(self.spath)
         sopener.createmode = mode
-        self.sopener = util.encodedopener(sopener, self.encodefn)
+        self.sopener = filelog.encodedopener(sopener, self.encodefn)
 
         self.ui = ui.ui(parentui=parentui)
         try:
diff --git a/mercurial/statichttprepo.py b/mercurial/statichttprepo.py
--- a/mercurial/statichttprepo.py
+++ b/mercurial/statichttprepo.py
@@ -9,7 +9,7 @@
 
 from i18n import _
 import changelog, httprangereader
-import repo, localrepo, manifest, util
+import repo, localrepo, manifest, util, filelog
 import urllib, urllib2, errno
 
 class rangereader(httprangereader.httprangereader):
@@ -55,14 +55,14 @@
 
         # setup store
         if "store" in requirements:
-            self.encodefn = util.encodefilename
-            self.decodefn = util.decodefilename
+            self.encodefn = filelog.encodefilename
+            self.decodefn = filelog.decodefilename
             self.spath = self.path + "/store"
         else:
             self.encodefn = lambda x: x
             self.decodefn = lambda x: x
             self.spath = self.path
-        self.sopener = util.encodedopener(opener(self.spath), self.encodefn)
+        self.sopener = filelog.encodedopener(opener(self.spath), self.encodefn)
 
         self.manifest = manifest.manifest(self.sopener)
         self.changelog = changelog.changelog(self.sopener)
diff --git a/mercurial/util.py b/mercurial/util.py
--- a/mercurial/util.py
+++ b/mercurial/util.py
@@ -1345,39 +1345,6 @@
         return name
     return find_in_path(name, os.environ.get('PATH', ''), default=default)
 
-def _buildencodefun():
-    e = '_'
-    win_reserved = [ord(x) for x in '\\:*?"<>|']
-    cmap = dict([ (chr(x), chr(x)) for x in xrange(127) ])
-    for x in (range(32) + range(126, 256) + win_reserved):
-        cmap[chr(x)] = "~%02x" % x
-    for x in range(ord("A"), ord("Z")+1) + [ord(e)]:
-        cmap[chr(x)] = e + chr(x).lower()
-    dmap = {}
-    for k, v in cmap.iteritems():
-        dmap[v] = k
-    def decode(s):
-        i = 0
-        while i < len(s):
-            for l in xrange(1, 4):
-                try:
-                    yield dmap[s[i:i+l]]
-                    i += l
-                    break
-                except KeyError:
-                    pass
-            else:
-                raise KeyError
-    return (lambda s: "".join([cmap[c] for c in s]),
-            lambda s: "".join(list(decode(s))))
-
-encodefilename, decodefilename = _buildencodefun()
-
-def encodedopener(openerfn, fn):
-    def o(path, *args, **kw):
-        return openerfn(fn(path), *args, **kw)
-    return o
-
 def mktempcopy(name, emptyok=False, createmode=None):
     """Create a temporary file with the same contents from name