diff options
Diffstat (limited to 'Lib/fnmatch.py')
-rw-r--r-- | Lib/fnmatch.py | 64 |
1 files changed, 50 insertions, 14 deletions
diff --git a/Lib/fnmatch.py b/Lib/fnmatch.py index c7caef6..1e7dbb3 100644 --- a/Lib/fnmatch.py +++ b/Lib/fnmatch.py @@ -1,28 +1,64 @@ # module 'fnmatch' -- filename matching with shell patterns -# XXX [] patterns are not supported (but recognized) - def fnmatch(name, pat): - if '*' in pat or '?' in pat or '[' in pat: - return fnmatch1(name, pat) - return name = pat + # + # Check for simple case: no special characters + # + if not ('*' in pat or '?' in pat or '[' in pat): + return name = pat + # + # Check for common cases: *suffix and prefix* + # + if pat[0] = '*': + p1 = pat[1:] + if not ('*' in p1 or '?' in p1 or '[' in p1): + start = len(name) - len(p1) + return start >= 0 and name[start:] = p1 + elif pat[-1:] = '*': + p1 = pat[:-1] + if not ('*' in p1 or '?' in p1 or '[' in p1): + return name[:len(p1)] = p1 + # + # General case + # + return fnmatch1(name, pat) def fnmatch1(name, pat): for i in range(len(pat)): c = pat[i] if c = '*': - restpat = pat[i+1:] - if '*' in restpat or '?' in restpat or '[' in restpat: - for i in range(i, len(name)): - if fnmatch1(name[i:], restpat): - return 1 - return 0 - else: - return name[len(name)-len(restpat):] = restpat + p1 = pat[i+1:] + if not ('*' in p1 or '?' in p1 or '[' in p1): + start = len(name) - len(p1) + return start >= 0 and name[start:] = p1 + for i in range(i, len(name) + 1): + if fnmatch1(name[i:], p1): + return 1 + return 0 elif c = '?': if len(name) <= i : return 0 elif c = '[': - return 0 # XXX + c, rest = name[i], name[i+1:] + i, n = i+1, len(pat) - 1 + match = 0 + exclude = 0 + if i < n and pat[i] = '!': + exclude = 1 + i = i+1 + while i < n: + if pat[i] = c: match = 1 + i = i+1 + if i >= n or pat[i] = ']': + break + if pat[i] = '-': + i = i+1 + if i >= n or pat[i] = ']': + break + match = (pat[i-2] <= c <= pat[i]) + i = i+1 + if match = exclude: + return 0 + return fnmatch1(rest, pat[i+1:]) else: if name[i:i+1] <> c: return 0 |