Re: utils

Havoc Pennington <hp redhat com> writes:

> Miroslaw Dobrzanski-Neumann <mne mosaic-ag com> writes:
> > 
> > some utility functions are spread over many packages.
> > for example file handling utilities can be found in both glib and pango:
> > 
> > having them in a one place (preferably glib) would make many things simpler.
> > 
> > I believe pango_split_file_list () and others do not belong to pango but
> > rather they should be moved to glib.
> > 
> I have no idea why pango-utils.h is installed and public, other than
> "GTK happens to use it" which isn't really a good reason...

Well, yes, that's about it :-)

 - There is some backend-useful stuff in there that is protected by
   PANGO_ENABLE_BACKEND; since we allow for external backends

 - There is some generally useful pango stuff:
     pango_log2vis_get_embedding_levels ()
     pango_language_get_sample_string ()

 - There is some other random utility stuff in there that used also to 
   be protected, but then I needed it in GTK+, so I unprotected it.
   It's maintainable, in the sense that I don't see any reason we'll
   have to remove it; as to whether we should add similar stuff in 
   GLib, there is:

    - A simple "scanner" that basically duplicates more complex
      functionality in GLib.

        gint     pango_read_line      (FILE        *stream,
                                       GString     *str);
        gboolean pango_skip_space     (const char **pos);
        gboolean pango_scan_word      (const char **pos,
                                       GString     *out);
        gboolean pango_scan_string    (const char **pos,
                                       GString     *out);
        gboolean pango_scan_int       (const char **pos,
                                       int         *out);

      If I was doing things now, I'd probably use GMarkup for the files that
      I used this for. GScanner would have been another possibility, but
      it didn't work for the line-oriented formats I was using, and always
      takes me a bit too long to get going with.
      I don't believe this belongs in GLib. (Maybe somethign like pango_read_line(), 
      but we have GIOChannel functions for doing stuff like this.)

    - Two utility functions that probably should be added to GLib.

       char **  pango_split_file_list (const char *str);
       char    *pango_trim_string     (const char *str);


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