Tagging with wchar_t with Unicode characters.

Jeremy Gregorio jeremy.firefox.addon at gmail.com
Tue Feb 8 05:58:07 CET 2011

Hi again,

I'm almost there, but I'm still missing something. I wrote a function for my
Firefox plugin:

NS_IMETHODIMP MyComponent::Tag(const PRUnichar *path, const PRUnichar
*title, const PRUnichar *artist, const PRUnichar *album, const PRUnichar
*comment, const PRUnichar *genre, const PRUnichar *year, const PRUnichar
{// Function takes 8 parameters.
    TagLib::FileRef f(path);
    if(!f.isNull() && f.tag()) { //check if the file isn't null & the f.tag
objects is ready. If it is we're ok to proceed.
        TagLib::Tag *t = f.tag();
        TagLib::String tlTitle = title;
        return NS_OK;
        return NS_ERROR_OUT_OF_MEMORY; //if the f object or the f.tag object
are bad return an NS_ERROR_OUT_OF_MEMORY error.
    }//END IF

The PRUnichars pointers end up being pointers to wchar_t because I'm
building on Windows.

It works if I have a simple title ascii, like "My Title", but if I have
Unicode characters like so:


It fails. I don't get any errors, it just doesn't write the title.

Do I need to add some parameters to my function calls to get it to handle
the characters?

Thanks again!  :)
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