diff options
Diffstat (limited to 'Lib')
| -rw-r--r-- | Lib/string.py | 18 | ||||
| -rw-r--r-- | Lib/stringold.py | 18 |
2 files changed, 16 insertions, 20 deletions
diff --git a/Lib/string.py b/Lib/string.py index 1412048..f7d4af6 100644 --- a/Lib/string.py +++ b/Lib/string.py @@ -12,34 +12,32 @@ hexdigits = digits + 'abcdef' + 'ABCDEF' octdigits = '01234567' # Case conversion helpers -_caseswap = {} -for i in range(26): - _caseswap[lowercase[i]] = uppercase[i] - _caseswap[uppercase[i]] = lowercase[i] +_idmap = '' +for i in range(256): _idmap = _idmap + chr(i) +_lower = _idmap[:ord('A')] + lowercase + _idmap[ord('Z')+1:] +_upper = _idmap[:ord('a')] + uppercase + _idmap[ord('z')+1:] +_swapcase = _upper[:ord('A')] + lowercase + _upper[ord('Z')+1:] del i # convert UPPER CASE letters to lower case def lower(s): res = '' for c in s: - if 'A' <= c <= 'Z': c = _caseswap[c] - res = res + c + res = res + _lower[ord(c)] return res # Convert lower case letters to UPPER CASE def upper(s): res = '' for c in s: - if 'a' <= c <= 'z': c = _caseswap[c] - res = res + c + res = res + _upper[ord(c)] return res # Swap lower case letters and UPPER CASE def swapcase(s): res = '' for c in s: - if 'a' <= c <= 'z' or 'A' <= c <= 'Z': c = _caseswap[c] - res = res + c + res = res + _swapcase[ord(c)] return res # Strip leading and trailing tabs and spaces diff --git a/Lib/stringold.py b/Lib/stringold.py index 1412048..f7d4af6 100644 --- a/Lib/stringold.py +++ b/Lib/stringold.py @@ -12,34 +12,32 @@ hexdigits = digits + 'abcdef' + 'ABCDEF' octdigits = '01234567' # Case conversion helpers -_caseswap = {} -for i in range(26): - _caseswap[lowercase[i]] = uppercase[i] - _caseswap[uppercase[i]] = lowercase[i] +_idmap = '' +for i in range(256): _idmap = _idmap + chr(i) +_lower = _idmap[:ord('A')] + lowercase + _idmap[ord('Z')+1:] +_upper = _idmap[:ord('a')] + uppercase + _idmap[ord('z')+1:] +_swapcase = _upper[:ord('A')] + lowercase + _upper[ord('Z')+1:] del i # convert UPPER CASE letters to lower case def lower(s): res = '' for c in s: - if 'A' <= c <= 'Z': c = _caseswap[c] - res = res + c + res = res + _lower[ord(c)] return res # Convert lower case letters to UPPER CASE def upper(s): res = '' for c in s: - if 'a' <= c <= 'z': c = _caseswap[c] - res = res + c + res = res + _upper[ord(c)] return res # Swap lower case letters and UPPER CASE def swapcase(s): res = '' for c in s: - if 'a' <= c <= 'z' or 'A' <= c <= 'Z': c = _caseswap[c] - res = res + c + res = res + _swapcase[ord(c)] return res # Strip leading and trailing tabs and spaces |