On Tuesday 09 September 2008, Chris Cannam wrote:
> On Tue, Sep 9, 2008 at 4:01 PM, Emanuel Rumpf <[EMAIL PROTECTED]> wrote:
> > today, filesystems use utf8 too
>
> Yes, but not all of them. The local 8-bit encoding is not always
> going to be utf-8.
Including here, for instance. I never converted my /home filesystem to UTF-8.
> > Now ... .toStdString() does not work here.
> > ("error: 'const class QString' has no member named 'toStdString'")
>
> It's a pity, because toStdString is the obvious best function for many
> situations and I use it in all my other Qt4 code. I've never had a
> problem with it in the past (and fwiw, I use the Ubuntu packaged Qt4
> normally). However, if it doesn't work for you and it isn't obvious
> to you why not, then I guess it won't be obvious to other people
> either, so perhaps we should avoid it.
Here's the relevant part of the header, in QtCore/qstring.h:
#ifndef QT_NO_STL
static inline QString fromStdString(const std::string &s);
inline std::string toStdString() const;
# ifdef qdoc
static inline QString fromStdWString(const std::wstring &s);
inline std::wstring toStdWString() const;
# else
# ifndef QT_NO_STL_WCHAR
static inline QString fromStdWString(const QStdWString &s);
inline QStdWString toStdWString() const;
# endif // QT_NO_STL_WCHAR
# endif // qdoc
#endif
So it looks to me like he's on track with the idea that compiling with STL
support should enable that code.
It's a mystery. I guess he could watch QT compile and see if there's
a -DQT_NO_STL in there in spite of what he thought he told his build system.
As far as this whole discussion, I don't even really understand what any of
this is about. I haven't studied the issue. All I can say is that when it
comes to whose opinion I trust the most, you and I have worked together for
almost 10 years, Chris, and my default state is to agree with you unless I
have a reason to do otherwise, which I don't in this case. If you feel
strongly about this toStdString() thing, then it's definitely worth the
trouble of figuring out why it isn't working for Emanuel, if at all possible.
--
D. Michael McIntyre
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