TagLib::FileRef and Unicode

[Miyakoda Akira]

Oh Jeremy! I forgot to tell you a thing.

You should create a FileRef from a Unicode file name like this:

int wmain(int argc, wchar_t *argv[])
{
...
    QString filepath = QString::fromWCharArray( argv[argc - 1] );
...
    TagLib::FileRef f( filepath.toStdWString().cstr() );


2013/12/2 Jeremy Gregorio <jeremy.firefox.addon at gmail.com>

> Hi all,
>       I finally noticed my little tagging program doesn't handle Unicode
> in the slightest :).
>
>       Does anyone have suggestions on handling Unicode files?
>
>       I'm on an English (United States) Windows XP install trying to build
> with Visual C++.
>
>       To deal with the headache that is passing Unicode Parameters I use
> URI Encoding (like here http://meyerweb.com/eric/tools/dencoder/) to
> encode the parameters to a command line program I wrote and then decode
> them as they come in. This part seems to work since I can decode the
> strings and write them to tags with the Unicode intact.
>
>       But when I try to write tags to a file on a Unicode path it fails
> :(. Right no I'm using QT's library to handle the strings because of a
> stackoverflow post I found where the guy had good luck with it, but darned
> if I can get it working.
>
> int main(int argc, char *argv[])
> {
>
>     TagLib::List<TagLib::FileRef> fileList;
>
>     std::string fileName( "c:\\temp\\debug " );
>     std::string extension (".txt");
>     ofstream a_file ( fileName + extension );
>
>     QString filepath ( argv[argc - 1] );
>
>     QString url = QUrl::fromPercentEncoding( filepath.toUtf8() );
>
>     a_file << "Param: " << url.toStdString()  << "\n\n";
>
>     QFile myQfile ( url );
>
>     if( !myQfile.exists() ){
>         a_file << "The param \""  << myQfile.error() << "\" is not a
> file.";
>     }//END IF
>
>     TagLib::FileRef f( QFile::encodeName(url).constData() );
>
>     if(!f.isNull() && f.tag())
>       fileList.append(f);
>
>     argc--;
>
>   a_file.close();
>
>   //... If I get this far I can start applying tags.
>
>  The above works great until I try it with a unicode path, like
>
> "C:\temp\?\Power Up!.mp3"
>
> which I encode as
>
> C%3A%5Ctemp%5C%E7%A7%81%5CPower%20Up!.mp3
>
> I know I'm at least getting the string decoded right since I write it to a
> text file and it looks right in notepad++ encoded in UTF-8 without the BOM.
>
>
> --
> Jeremy D Gregorio
>
> <http://www.linkedin.com/pub/jeremy-gregorio/36/302/429>
> <http://www.glimmersoft.com/socialmedia/btn_viewmy_160x33.png>
>
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>
>
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