Messages in this thread | | | Date | Tue, 6 Nov 2007 09:56:51 +0100 | From | Adrian Bunk <> | Subject | Re: [PATCH] Smackv10: Smack rules grammar + their stateful parser |
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On Tue, Nov 06, 2007 at 03:26:12AM -0500, Kyle Moffett wrote: > On Nov 06, 2007, at 01:33:05, Adrian Bunk wrote: >> Can you limit this to 7bit ASCII and use isascii() somewhere? >> >> Otherwise I'd expect funny things to happen when you e.g. use isspace() on >> the UTF-8 encoded character à. > > Actually, you don't need to. You tell them it expects UTF-8 encoded > strings and be done with it. All US-ASCII characters from 0 through 127 > (IE: high bit clear) are exactly the same in UTF-8, and UTF-8 special > characters have the high bit set in all bytes. Therefore you just assume > that anything with the high bit set is part of a word and you can handle > basic UTF-8. (It doesn't work on special UTF-8 space characters like > nonbreaking space and similar, but handling those is significantly more > complicated).
The documentations says: "Smack labels cannot contain unprintable characters or the "/" (slash) character."
What you propose might contain unprintable characters, and it might even be invalid UTF-8.
> Cheers, > Kyle Moffett
cu Adrian
--
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