Sorry, I did not put the whole file in the post. Those are in the
init module.
static VALUE rbgio_init(VALUE self, VALUE path)
{
VALUE arr, names;
rb_iv_set(self, "@path", path);
arr = rb_ary_new();
names = rb_ary_new();
rb_iv_set(self, "@attribute_array", arr);
rb_iv_set(self, "@name_array", names);
return self;
}
Thanks for looking. I'm starting to suspect I have to do something to
initialize the library. I have a call to gdk_init(argc, argv) in the
module initialization, but maybe there is something more? Maybe I
can't use the library without creating a window? Not sure.
Mike
On Mar 12, 8:06 am, Jason Roelofs <[email protected]> wrote:
> I see gets but no sets on those ivars you're trying to manipulate. I
> wouldn't assume that you're editing the values in-place instead of a
> copy of what the ivars contained unless you've proven that's what
> you've got (I think that sentence makes sense ...).
>
> Given that you're saying the code doesn't work, try adding the
> following 3 lines to the end of the method:
>
> rb_iv_set(self, "@attributes_array", arr);
> rb_iv_set(self, "@name_array", names);
> rb_iv_set(self, "@path", path);
>
> Jason
>
> On Thu, Mar 12, 2009 at 10:58 AM, mvargo <[email protected]> wrote:
>
> > I'm trying to use some functions from the Gnome GIO library to get
> > extended file attributes. I'm doing this by writing a C extension
> > using the wonderful directions
> > inhttp://www.rubycentral.com/pickaxe/ext_ruby.html.
> > All that being said, I don't really know Gnome or GTK+ at all, but I
> > thought my little code would be OK.
>
> > So I have the library built (rubygio.so) and the code all executes
> > fine. Problem is the gio api calls don't return any info when I think
> > they should. I'm guessing there is some initialization stuff I'm
> > missing or maybe I have to have a window going or something. Any help
> > would be appreciated.
>
> > The C code to get the attributes looks like this:
>
> > static VALUE rbgio_load_attributes(VALUE self)
> > {
> > VALUE arr = rb_iv_get(self, "@attribute_array");
> > VALUE names = rb_iv_get(self, "@name_array");
> > VALUE path = rb_iv_get(self, "@path");
>
> > GFile *ptr = g_file_new_for_path(STR2CSTR(path));
> > GError *gerror = NULL;
> > GFileInfo *finfo = g_file_query_info(ptr, "*", 0, NULL, &gerror);
> > if (finfo == NULL) {
> > return INT2NUM(0);
> > }
> > char **attributes = g_file_info_list_attributes(finfo, "*");
> > int i = 0;
> > while (attributes[i] != NULL) {
> > rb_ary_push(names, rb_str_new2(attributes[i]));
> > rb_ary_push(arr, rb_str_new2(g_file_info_get_attribute_as_string
> > (finfo, attributes[i])));
> > i++;
> > }
> > return INT2NUM(1)
> > }
>
> > Again it all runs (i've run it in gdb and examined variables). The
> > GFile *ptr is a real address, the GFileInfo *finfo is a real thing and
> > the char** attributes is a valid list with no entries.
>
> > Any clues would be greatly appreciated. I will put the extension out
> > there once completed.
>
> > Mike
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