match: refactor patkind

match: refactor patkind

add patkind(pat) to match
change external users
change util.patkind to _patsplit

--- a/mercurial/cmdutil.py	Sun May 24 02:56:14 2009 -0500
+++ b/mercurial/cmdutil.py	Sun May 24 02:56:14 2009 -0500
@@ -447,7 +447,7 @@
     # srcs: list of (hgsep, hgsep, ossep, bool)
     # return: function that takes hgsep and returns ossep
     def targetpathafterfn(pat, dest, srcs):
-        if util.patkind(pat, None)[0]:
+        if _match.patkind(pat):
             # a mercurial pattern
             res = lambda p: os.path.join(dest,
                                          os.path.basename(util.localpath(p)))
@@ -495,7 +495,7 @@
     dest = pats.pop()
     destdirexists = os.path.isdir(dest) and not os.path.islink(dest)
     if not destdirexists:
-        if len(pats) > 1 or util.patkind(pats[0], None)[0]:
+        if len(pats) > 1 or _match.patkind(pats[0]):
             raise util.Abort(_('with multiple sources, destination must be an '
                                'existing directory'))
         if util.endswithsep(dest):

--- a/mercurial/match.py	Sun May 24 02:56:14 2009 -0500
+++ b/mercurial/match.py	Sun May 24 02:56:14 2009 -0500
@@ -53,3 +53,7 @@
         f, mf, ap = util.matcher(root, cwd, patterns, include, exclude,
                                  default)
         _match.__init__(self, root, cwd, f, mf, ap)
+
+def patkind(pat):
+    return util._patsplit(pat, None)[0]
+

--- a/mercurial/util.py	Sun May 24 02:56:14 2009 -0500
+++ b/mercurial/util.py	Sun May 24 02:56:14 2009 -0500
@@ -207,12 +207,12 @@
 def always(fn): return True
 def never(fn): return False
 
-def patkind(name, default):
+def _patsplit(pat, default):
     """Split a string into an optional pattern kind prefix and the
     actual pattern."""
     for prefix in 're', 'glob', 'path', 'relglob', 'relpath', 'relre':
-        if name.startswith(prefix + ':'): return name.split(':', 1)
-    return default, name
+        if pat.startswith(prefix + ':'): return pat.split(':', 1)
+    return default, pat
 
 def globre(pat, head='^', tail='$'):
     "convert a glob pattern into a regexp"
@@ -436,7 +436,7 @@
         pats = []
         roots = []
         anypats = False
-        for kind, name in [patkind(p, default) for p in names]:
+        for kind, name in [_patsplit(p, default) for p in names]:
             if kind in ('glob', 'relpath'):
                 name = canonpath(canonroot, cwd, name)
             elif kind in ('relglob', 'path'):
@@ -739,7 +739,7 @@
         '''On Windows, expand the implicit globs in a list of patterns'''
         ret = []
         for p in pats:
-            kind, name = patkind(p, None)
+            kind, name = _patsplit(p, None)
             if kind is None:
                 globbed = glob.glob(name)
                 if globbed: