Re: [Vala] How to read "dir/file" in msole file?

[Hodong Kim <cogniti gmail com>]

It works fine.
Thank you, Tarnyko

I have reported a bug to bugzilla.
https://bugzilla.gnome.org/show_bug.cgi?id=688556

2012/11/18  <tarnyko tarnyko net>:
> OK, I got it. The VAPI is wrong.
> Please edit your file "libgsf-1.vapi" (should be in "/usr/share/vala/vapi"
> under Linux). Change the following line :
> public unowned Gsf.Input child_by_aname (string[] names);
> to
> public unowned Gsf.Input child_by_aname ([CCode (array_length = false)]
> string[] names);
> Now, at least it compiles.
> Tarnyko
> Hodong Kim writes:
> > Hi, Tarnyko
> > the line in gsf-msole.c
> >         _tmp18_ = gsf_infile_child_by_aname ((GsfInfile*) _tmp16_,
> > _tmp17_,
> > _tmp17__length1);
> > thanks.
> > 2012/11/18  <tarnyko tarnyko net>:
> > > Hi cogniti,
> > > I don't know precisely how to use this method, but the Vala VAPI and
> > > LibGSF
> > > seem to be out of sync.
> > > Could you please do a :
> > > valac -C --pkg libgsf-1 gsf-msole.vala
> > > (note the "-C")
> > > It will create a "gsf-msole.c" file. Open it and please paste the line
> > > containing :
> > > gsf_infile_child_by_aname
> > > Regards,
> > > Tarnyko
> > > cogniti writes:
> > > > Hello.
> > > > I tried to read "/BodyText/Section0" in msole file.
> > > > but, an error occurred.
> > > > How to read "dir/file" in msole file?
> > > > $ valac --pkg libgsf-1 gsf-msole.vala
> > > > gsf-msole.vala:27.15-27.55: warning: local variable `body_text'
> > > > declared but never used
> > > >     Gsf.Input body_text = olefile.child_by_aname(names);
> > > >               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
> > > > /home/cogniti/Documents/gsf-msole.vala.c: In function ‘_vala_main’:
> > > > /home/cogniti/Documents/gsf-msole.vala.c:144:2: warning: passing
> > > > argument 2 of ‘gsf_infile_child_by_aname’ from incompatible pointer
> > > > type [enabled by default]
> > > > In file included from /usr/include/libgsf-1/gsf/gsf-infile-impl.h:27:0,
> > > >                  from /home/cogniti/Documents/gsf-msole.vala.c:13:
> > > > /usr/include/libgsf-1/gsf/gsf-infile.h:42:13: note: expected ‘const
> > > > char **’ but argument is of type ‘gchar **’
> > > > /home/cogniti/Documents/gsf-msole.vala.c:144:2: error: too many
> > > > arguments to function ‘gsf_infile_child_by_aname’
> > > > In file included from /usr/include/libgsf-1/gsf/gsf-infile-impl.h:27:0,
> > > >                  from /home/cogniti/Documents/gsf-msole.vala.c:13:
> > > > /usr/include/libgsf-1/gsf/gsf-infile.h:42:13: note: declared here
> > > > error: cc exited with status 256
> > > > Compilation failed: 1 error(s), 1 warning(s)
> > > > The ole file structure is
> > > >     root/
> > > >     root/PrvText
> > > >     root/DocOptions
> > > >     root/DocOptions/_LinkDoc
> > > >     root/DocInfo
> > > >     root/?HwpSummaryInformation
> > > >     root/PrvImage
> > > >     root/FileHeader
> > > >     root/Scripts
> > > >     root/Scripts/DefaultJScript
> > > >     root/Scripts/JScriptVersion
> > > >     root/BodyText
> > > >     root/BodyText/Section0
> > > > gsf-msole.vala:
> > > > int main (string[] args) {
> > > >     // declare objects
> > > >     Gsf.InputStdio file;
> > > >     Gsf.InfileMSOle olefile;
> > > >     string filename = args[1];
> > > >     // load the OLE file
> > > >     try {
> > > >         file = new Gsf.InputStdio (filename);
> > > >     }
> > > >     catch {
> > > >         stderr.printf ("File %s not found\n", filename);
> > > >         return 1;
> > > >     }
> > > >     try {
> > > >         olefile = new Gsf.InfileMSOle (file);
> > > >     }
> > > >     catch
> > > >     {
> > > >         stderr.printf ("%s is not a OLE file\n", filename);
> > > >         return 1;
> > > >     }
> > > >     string[] names = {"BodyText", "Section0"};
> > > >     // compile error occurred
> > > >     Gsf.Input body_text = olefile.child_by_aname(names);
> > > >     return 0;
> > > > }
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