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Dmitri Oulitski
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 Posted: Wed Jul 09, 2003 3:37 pm Post subject: UTF8Encode, UTF8Decode and surrogates |
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Does utf8encode and utf8decode support surrogates?
If not, how can I add support for surrogates?
Thank you,
Dmitri Oulitski
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FL
Guest
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| Posted: Wed Jul 09, 2003 4:22 pm Post subject: Re: UTF8Encode, UTF8Decode and surrogates |
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UTF-8 is just an encoding method and inherently supports surrogates when
your app supports them.
Francisco
Dmitri Oulitski wrote:
| Quote: |
Does utf8encode and utf8decode support surrogates?
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Danny Heijl
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| Posted: Wed Jul 09, 2003 7:34 pm Post subject: Re: UTF8Encode, UTF8Decode and surrogates |
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On Windows you could try WideCharToMultiByte with a codepage of CP_UTF8.
Danny
---
"Dmitri Oulitski" <dmitri.ulitski (AT) nimbuspartners (DOT) com> schreef in bericht
news:3f0c46a9$1 (AT) newsgroups (DOT) borland.com...
| Quote: | According to Unicode specification character U+10302
will be encoded as D800 DF02 in UTF-16 and should be encoded as F0 90 8C
82
in UTF-8
But delphi encodes this character as ED A0 80 ED BC 82 in UTF-8,
i.e. delphi treats each code unit in UTF-16 separately
though code unit sequence is surrogate pair and should be treated as one
character
I think this is a bug and delphi should support surrogate pairs.
Regards,
Dmitri Oulitski
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Franz-Leo Chomse
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| Posted: Wed Jul 09, 2003 7:56 pm Post subject: Re: UTF8Encode, UTF8Decode and surrogates |
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| Quote: | I think this is a bug and delphi should support surrogate pairs.
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The routines are older than the definition of valid surrogate pairs.
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Franz-Leo Chomse
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| Posted: Wed Jul 09, 2003 8:22 pm Post subject: Re: UTF8Encode, UTF8Decode and surrogates |
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On Wed, 9 Jul 2003 17:45:26 +0100, "Dmitri Oulitski"
<dmitri.ulitski (AT) nimbuspartners (DOT) com> wrote:
| Quote: | According to Unicode specification character U+10302
will be encoded as D800 DF02 in UTF-16 and should be encoded as F0 90 8C 82
in UTF-8
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Which version of Unicode?. There is also the statement.
| Quote: | Also note that the code positions U+D800 to U+DFFF (UTF-16 surrogates) as well as U+FFFE and U+FFFF
must not occur in normal UTF-8 or UCS-4 data. UTF-8 decoders should treat them like malformed or
overlong sequences for safety reasons.
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Regards from Germany
Franz-Leo
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