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Normalize an NSAttributedString
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Normalize an NSAttributedString


  • Subject: Normalize an NSAttributedString
  • From: Ross Carter <email@hidden>
  • Date: Tue, 25 Aug 2009 13:02:59 -0400

NSString has methods for normalizing the content using Normalization Forms D, KD, C, and KC. NSAttributedString does not.

Is there any way to normalize an NSAttributedString?

I need to archive an NSAttributedString by extracting its string, attributes, and the attribute ranges. This is easy enough to do. The problem is in re-creating the attributed string from the archived values. The new attributed string might be created with a different mapping than the original, which would make the range values inaccurate.

I'd love to do this:

Archiving:
1. Normalize the source attributed string.
2. Archive its string content and its attribute information.

Unarchiving:
3. Create a new string from the archived data and normalize it.
4. Created a new attributed string from that string and the archived attributes.


But I don't know how to do step 1.
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