Home » U++ Library support » U++ Libraries and TheIDE: i18n, Unicode and Internationalization » 16 bits wchar
Re: 16 bits wchar [message #11797 is a reply to message #11789] |
Wed, 26 September 2007 07:43   |
cbpporter
Messages: 1427 Registered: September 2007
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sergei wrote on Wed, 26 September 2007 01:56 |
I didn't mention that I tested basic read/write performance. UTF handling would add overhead to 8 and 16 formats, but not to 32 format. I also remembered the UTF8-EE issue. UTF-32 could solve it easily. IIRC only 21 bits are needed for full unicode, so there's plenty of space to escape to (without overtaking private space).
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The only problem with UTF-32 is the storage space. It is 2/4 times the size of UTF-8 and almost always double of UTF-16. And I don't think that UTF-8EE is such a big issue, you just have to make sure to use a more permissive validation scheme. And what is RTL anyway?
luzr wrote on Tue, 25 September 2007 23:18 |
I am afraid you expect too much. GetLength returns exactly the same number as GetCount, two names in this case are there because of each fits better for different scenario (same thing as 0 and '\0').
Rather than thinking in terms of UTF-8 / UTF-16... String is just an array of bytes, WString array of 16bit words. Not much more logic there, except that conversions between two can be performed - in conversions there is one and only encoding logic.
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Then I don't understand how can you insert values 280-230 into a 8 bit fixed character length format. Are they translated to some code page? And if the values are 8 bit and there are 20 of them, why do I have a length 40 string in the output. And why is the length of the same string 40 and not 20 when I switch over to wide string?
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16 bits wchar
By: riri on Mon, 05 February 2007 17:19
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Re: 16 bits wchar
By: mirek on Mon, 05 February 2007 23:07
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Re: 16 bits wchar
By: cbpporter on Tue, 25 September 2007 22:03
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Re: 16 bits wchar
By: mirek on Tue, 25 September 2007 23:18
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Re: 16 bits wchar
By: cbpporter on Wed, 26 September 2007 07:43
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Re: 16 bits wchar
By: mirek on Wed, 26 September 2007 08:48
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Re: 16 bits wchar
By: sergei on Wed, 26 September 2007 14:55
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Re: 16 bits wchar
By: cbpporter on Wed, 26 September 2007 15:37
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Re: 16 bits wchar
By: mirek on Wed, 26 September 2007 22:40
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Re: 16 bits wchar
By: mirek on Mon, 01 October 2007 14:28
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Re: 16 bits wchar
By: mirek on Wed, 03 October 2007 10:11
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Re: 16 bits wchar
By: mirek on Wed, 03 October 2007 10:42
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Re: 16 bits wchar
By: mirek on Wed, 03 October 2007 10:26
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Re: 16 bits wchar
By: mirek on Wed, 03 October 2007 12:10
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Re: 16 bits wchar
By: mirek on Wed, 03 October 2007 21:40
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Re: 16 bits wchar
By: mirek on Thu, 04 October 2007 17:33
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Re: 16 bits wchar
By: mirek on Fri, 12 October 2007 11:52
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Re: 16 bits wchar
By: mirek on Fri, 12 October 2007 11:59
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Re: 16 bits wchar
By: mirek on Fri, 12 October 2007 17:03
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Re: 16 bits wchar
By: mirek on Sun, 21 October 2007 20:19
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Re: 16 bits wchar
By: mirek on Sun, 21 October 2007 23:57
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Re: 16 bits wchar
By: mirek on Mon, 22 October 2007 10:47
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Re: 16 bits wchar
By: mirek on Mon, 22 October 2007 19:37
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Re: 16 bits wchar
By: mirek on Sun, 21 October 2007 20:14
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Re: 16 bits wchar
By: sergei on Wed, 26 September 2007 01:56
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Re: 16 bits wchar
By: sergei on Wed, 26 September 2007 16:54
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Re: 16 bits wchar
By: cbpporter on Wed, 26 September 2007 19:11
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Re: 16 bits wchar
By: mirek on Wed, 24 October 2007 13:27
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Re: 16 bits wchar
By: mirek on Sat, 27 October 2007 11:11
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Re: 16 bits wchar
By: mirek on Fri, 09 November 2007 10:39
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Re: 16 bits wchar
By: mirek on Sun, 11 November 2007 18:45
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Re: 16 bits wchar
By: mirek on Wed, 23 July 2008 22:04
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Re: 16 bits wchar
By: mirek on Mon, 04 August 2008 15:07
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Re: 16 bits wchar
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Re: 16 bits wchar
By: mirek on Mon, 04 August 2008 17:14
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Re: 16 bits wchar
By: mirek on Tue, 05 August 2008 00:03
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Re: 16 bits wchar
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Re: 16 bits wchar
By: mirek on Tue, 05 August 2008 00:14
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Re: 16 bits wchar
By: mirek on Tue, 05 August 2008 00:20
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Re: 16 bits wchar
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Re: 16 bits wchar
By: mirek on Tue, 05 August 2008 00:26
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Re: 16 bits wchar
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Re: 16 bits wchar
By: mirek on Tue, 05 August 2008 00:51
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Re: 16 bits wchar
By: mirek on Tue, 05 August 2008 10:42
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Re: 16 bits wchar
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Re: 16 bits wchar
By: mirek on Tue, 05 August 2008 15:12
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Re: 16 bits wchar
By: mirek on Tue, 05 August 2008 15:19
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Re: 16 bits wchar
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Re: 16 bits wchar
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Re: 16 bits wchar
By: mirek on Thu, 07 August 2008 16:10
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Re: 16 bits wchar
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Re: 16 bits wchar
By: mirek on Thu, 07 August 2008 17:40
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Re: 16 bits wchar
By: mirek on Thu, 07 August 2008 20:01
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Re: 16 bits wchar
By: mirek on Fri, 08 August 2008 15:32
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Re: 16 bits wchar
By: mirek on Fri, 08 August 2008 18:25
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Re: 16 bits wchar
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Re: 16 bits wchar
By: cbpporter on Fri, 05 September 2008 19:13
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Re: 16 bits wchar
By: mirek on Sun, 07 September 2008 13:24
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Re: 16 bits wchar
By: mirek on Mon, 04 August 2008 15:03
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Re: 16 bits wchar
By: mirek on Sat, 27 October 2007 11:01
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