[webkit-dev] (JavaScriptCore impl) UString -> unsigned short array

Maciej Stachowiak mjs at apple.com
Sat Nov 25 21:28:10 PST 2006


On Nov 25, 2006, at 9:20 PM, Justin Haygood wrote:

> I’m currently working on a project to embed JSCore (chosen since I  
> was fairly familiar with it, it was C++, and its blazing fast on  
> Windows) into an app to replace Perl as the company I work for’s  
> language of choice for quick and dirty scripting. Since we have a  
> massive library of Win32 code to use with it, I was wondering:
You don't need the ZeroMemory, and instead of the copy loop you could  
try memcpy.

Cheers,
Maciej

>
>
> Is there a quick way to convert a KJS::UString to an array of  
> Unicode shorts (aka LPCWSTR in Win32 speak).
>
>
>
> I came up with the much hackish solution below that works, but  
> seems to me to be really inefficient:
>
>
>
>       // Convert from UString to LPCWSTR.
>
>       // FIXME: Find a better solution if possible
>
>       // TODO: Convert into global C style function if above FIXME  
> becomes invalidated
>
>
>
> const UChar* data = ustring.data();
>
>       int length = ustring.size();
>
>       WCHAR* winstringp = new WCHAR[length+1];
>
>       ZeroMemory(winstring, (sizeof(WCHAR)*length+1));
>
>       for( int i = 0; i < length; i++) winstrinpg[i] = data 
> [i].unicode();
>
>       winstringp[length] = '\0';
>
>       LPCWSTR winstring = winstringp;
>
>
>
> If someone can think of a better way, that would be totally awesome.
>
> Justin Haygood | Software Engineer | EyeWonder, Inc.
>
> Phone: 678-891-2031 Cell: 404-271-2273 (jhaygood86 at tmomail.net)
> jhaygood at eyewonder.com
>
> EyeWonder
> Richer Media. Richer Results.
> www.eyewonder.com
>
>
>
> _______________________________________________
> webkit-dev mailing list
> webkit-dev at lists.webkit.org
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