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http://www.openoffice.org/issues/show_bug.cgi?id=102943
User hdu changed the following:
What |Old value |New value
================================================================================
Keywords| |cjk, performance
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Target milestone|--- |not determined
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------- Additional comments from h...@openoffice.org Mon Jun 22 10:00:08 +0000
2009 -------
IMHO an approach based on string iterators would work better as it would
isolate implementation
details (such as an internal UTF-16 representation) from its use. E.g. for
working on unicode
codepoints one would get an UTF-32 iterator, for encoding conversions (e.g. to
big5) one would get
other suitable iterators.
By splitting unicode string's implementation details (UTF-16) from its
interface (specialized string
iterators) this could also speed up such performance critical tasks as XML
parsing. XML text is usually
encoded as UTF-8 and AFAIK it currently has to be converted to UTF-16 for
further processing. By
keeping the inputs native encoding as an implementation detail the conversion
step which is costly
(from a processing, from a memory and from a spinlock contention perspective)
could be avoided
altogether.
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