Re: decoding arabic text broken
Re: decoding arabic text broken
- Subject: Re: decoding arabic text broken
- From: Aki Inoue <email@hidden>
- Date: Mon, 8 Aug 2005 16:10:34 -0700
Seth,
The string contains Arabic presentation forms (kind of ligatures) and
none of our encoding converters generate them.
Could you please provide a stand alone sample reproducing the issue
and file a bug via bug reporter (http://bugreport.apple.com/) ?
Thank you,
Aki
On Thu, Aug 04, 2005 at 03:26:19PM -0700, Aki Inoue wrote:
I cannot reproduce the issue at all.
Please make sure the hex value returned from -characterAtIndex: is
actually incorrect.
The string attached to your message was very suspicious because they
are in Arabic presentation forms.
(gdb) set $b = (unsigned char*)[rawText bytes]
(gdb) p/x (int)$b[1]
$20 = 0xdd
(gdb) p/x (int)$b[0]
$21 = 0xcd
(gdb) p/x (int)$b[1]
$22 = 0xdd
(gdb) p/x (int)$b[2]
$23 = 0xc9
Printing description of s:
\ufea3\u00f7\ufe93
(gdb) p/x (char)[s characterAtIndex: 0]
$28 = 0xa3
(gdb) p/x (char)[s characterAtIndex: 1]
$29 = 0xf7
(gdb) p/x (char)[s characterAtIndex: 2]
$30 = 0x93
(gdb) p/x (int)[s characterAtIndex: 0]
$32 = 0xfea3
(gdb) p/x (int)[s characterAtIndex: 1]
$33 = 0xf7
(gdb) p/x (int)[s characterAtIndex: 2]
$34 = 0xfe93
I don't know what that all means.
On Thu, Aug 04, 2005 at 11:35:33AM +0200, Annard Brouwer wrote:
On 4 Aug 2005, at 05:51, Seth Delackner wrote:
(gdb) call (void)NSLog(@"foo: %@", (id)[[NSString alloc]
initWithData: rawText encoding: v])
foo: ﺣ÷ﺓ
For those in non-unicode mail readers, that is "an arabic
character, a division symbol, and an arabic character".
Wha?
To make sure that you can check what is being logged, I would use -
writeToFile: o.s.s. and then check it out using TextEdit with
probably the Unicode encoding. You can't rely on a console being
correct to display these characters.
My sample code there is just reduced for brevity. The original bug
is from looking at the resulting string after having been inserted
into an NSTextStorage and displayed in an NSTextView, and is very
certainly arabic/mathdivision/arabic.
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