This would probably be handled via an ICU rule-based number
formatter, which is what handles number spellout. It would require
two things: the number formatting rules for Roman numerals, and an
addition to the ICU C API that would allow rule set selection, which
is currently only possible via the ICU C++ API. I think there is a
roman numeral rule set already in the examples in the Java version of
ICU.
Since ICU is an open source project, feel free to volunteer. ;-)
You could also just implement it yourself, within your application.
Deborah Goldsmith
Internationalization, Unicode liaison
Apple Inc.
email@hidden
On Jun 21, 2007, at 5:01 PM, Gary L. Wade wrote:
Is there a locale definition that I could use for
CFNumberFormatterCreate so
that I can take a number and pass it into
CFNumberFormatterCreateStringWithNumber and get back Roman numerals
(U+2160-U+2182)?
Quoting Deborah Goldsmith <email@hidden>:
Yes, CFNumberFormatter and NSNumberFormatter will handle non-ASCII
digits, and are recommended.
Deborah Goldsmith
Internationalization, Unicode liaison
Apple Inc. email@hidden
On Jun 21, 2007, at 2:18 PM, Laurence Harris wrote:
On Jun 21, 2007, at 4:46 PM, Deborah Goldsmith wrote:
On Jun 14, 2007, at 6:53 PM, Laurence Harris wrote:
But aren't most of those non-ASCII digits still Arabic
numbers? Don't most people -- even in other languages -- enter
numbers in text fields as ASCII digits? Just wondering.
No, some locales use non-ASCII digits, particularly Arabic and
Indic languages.
So what's the most modern, recommended, Unicode-savvy way to
convert a text string into a numeric value? CFNumberFormatter?
Larry
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