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Re: JavaScriptCore [message #28040 is a reply to message #28030]

Fri, 13 August 2010 15:28

cbpporter is currently offline

cbpporter
Messages: 1401
Registered: September 2007

Ultimate Contributor

There are error with the IsUpper field also.

This is getting quite confusing.

I think that we need to change the meaning of these fields. Take for example the character dot ".". This is a punctuation mark, and as a code point IsLower is false and IsUpper is false. Yet, as a string, IsLower and IsUpper are both true. Unicode defines isLower(b): b == toLower(b). So the string "abc.=/123" is lowercase, and the string "ABC.=/123" is upper case.

If we create:

bool  IsSmthLower(int c)         { return (dword)c < 2048 ? (uni__info[c] & 2047)  == c: true; }

for testing the "logical"/"human interpretable" case of a character in string and keep the old IsLower to refer only to a code point's property of representing a particular cased letter, we can kill two flies with the same stone or how the expression goes. It will also work for the case of a "small a with a superscript capital H in the upper right corner" sequence (which is lowercase). The small a will have a code point property of lower as true, and it's lower case variant is the same. The capital H superscript has it's property as false, more precisely N/A, and it's lower case variant is again the same character.

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[Message index]

		JavaScriptCore By: dolik.rce on Sat, 10 July 2010 14:59
		Re: JavaScriptCore By: mirek on Sat, 10 July 2010 16:23
		Re: JavaScriptCore By: dolik.rce on Sat, 10 July 2010 19:29
		Re: JavaScriptCore By: tojocky on Sun, 11 July 2010 00:05
		Re: JavaScriptCore By: dolik.rce on Sun, 11 July 2010 00:15
		Re: JavaScriptCore By: tojocky on Sun, 11 July 2010 14:35
		Re: JavaScriptCore By: dolik.rce on Sun, 11 July 2010 16:24
		Re: JavaScriptCore By: tojocky on Sun, 11 July 2010 20:32
		Re: JavaScriptCore By: dolik.rce on Tue, 13 July 2010 20:39
		Re: JavaScriptCore By: dolik.rce on Wed, 14 July 2010 17:01
		Re: JavaScriptCore By: tojocky on Thu, 15 July 2010 08:25
		Re: JavaScriptCore By: dolik.rce on Thu, 15 July 2010 19:00
		Re: JavaScriptCore By: mirek on Sat, 17 July 2010 09:52
		Re: JavaScriptCore By: dolik.rce on Sat, 17 July 2010 10:55
		Re: JavaScriptCore By: dolik.rce on Sat, 17 July 2010 23:24
		Re: JavaScriptCore By: mirek on Sun, 18 July 2010 08:59
		Re: JavaScriptCore By: dolik.rce on Sun, 18 July 2010 23:04
		Re: JavaScriptCore By: cbpporter on Mon, 19 July 2010 09:10
		Re: JavaScriptCore By: dolik.rce on Sat, 24 July 2010 15:26
		Re: JavaScriptCore By: cbpporter on Mon, 26 July 2010 11:46
		Re: JavaScriptCore By: mirek on Thu, 05 August 2010 12:55
		Re: JavaScriptCore By: dolik.rce on Thu, 05 August 2010 14:00
		Re: JavaScriptCore By: cbpporter on Thu, 12 August 2010 09:55
		Re: JavaScriptCore By: dolik.rce on Thu, 12 August 2010 15:40
		Re: JavaScriptCore By: mirek on Fri, 13 August 2010 09:09
		Re: JavaScriptCore By: cbpporter on Fri, 13 August 2010 10:46
		Re: JavaScriptCore By: cbpporter on Fri, 13 August 2010 10:48
		Re: JavaScriptCore By: mirek on Fri, 13 August 2010 11:30
		Re: JavaScriptCore By: mirek on Fri, 13 August 2010 11:30
		Re: JavaScriptCore By: cbpporter on Fri, 13 August 2010 11:36
		Re: JavaScriptCore By: cbpporter on Fri, 13 August 2010 15:28
		Re: JavaScriptCore By: cbpporter on Fri, 13 August 2010 16:30
		Re: JavaScriptCore By: jeremy_c on Sat, 14 August 2010 21:19
		Re: JavaScriptCore By: dolik.rce on Sat, 14 August 2010 23:40
		Re: JavaScriptCore By: cbpporter on Tue, 17 August 2010 09:29
		Re: JavaScriptCore By: cbpporter on Tue, 17 August 2010 10:05
		Re: JavaScriptCore By: dolik.rce on Tue, 17 August 2010 22:22

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