Re: NSStringEncoding -> NSCharacterSet?
Re: NSStringEncoding -> NSCharacterSet?
- Subject: Re: NSStringEncoding -> NSCharacterSet?
- From: Clark Cox <email@hidden>
- Date: Wed, 18 Jan 2006 14:32:09 -0500
2006/1/18, Dan Wood <email@hidden>:
> I'm looking for some inspiration on how to figure out the
> NSCharacterSet of characters "covered" by a particular
> NSStringEncoding. (Or the Core Foundation equivalents,
> CFStringEncoding and CFCharacterSet).
>
> For instance, something that would map:
> NSASCIIStringEncoding to the character set of 0..127,
> NSISOLatin1StringEncoding to 0....255 (I think)
> NSWindowsCP1251StringEncoding to the set unicode cyrillic characters,
> NSShiftJISStringEncoding to the set of Japanese characters,
> etc.
>
> I am looking for this information so that I can take an arbitrary
> unicode string, destined for conversion to HTML, and know which
> characters do *not* fit in the specified NSStringEncoding, as those
> that need to be 'escaped' (like {).
I can't think of any API to do this, but if you're generating HTML,
why not just either:
- Use ASCII, and encode everything else as a character entity
- Use UTF-8, then you only have to encode special HTML characters such as '<'
--
Clark S. Cox III
email@hidden
My CV/Resume:
http://homepage.mac.com/clarkcox3/files/Resume.pdf
http://homepage.mac.com/clarkcox3/files/Resume.html
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