Re: [PATCH 4/4] setup: prompt user for search.exclude_tags value

[Pieter Praet <pieter@praet.org>]

On Thu, 19 Jan 2012 14:44:37 -0500, Austin Clements <amdragon@MIT.EDU> wrote:
> Quoth Pieter Praet on Jan 19 at  8:19 pm:
> > Allow users to customize the search.exclude_tags option during setup.
> > 
> > ---
> >  notmuch-setup.c |   36 ++++++++++++++++++++++++++++++++++++
> >  1 files changed, 36 insertions(+), 0 deletions(-)
> > 
> > diff --git a/notmuch-setup.c b/notmuch-setup.c
> > index c3ea937..44d4aaa 100644
> > --- a/notmuch-setup.c
> > +++ b/notmuch-setup.c
> > @@ -101,6 +101,8 @@ notmuch_setup_command (unused (void *ctx),
> >      int is_new;
> >      const char **new_tags;
> >      size_t new_tags_len;
> > +    const char **search_exclude_tags;
> > +    size_t search_exclude_tags_len;
> >  
> >  #define prompt(format, ...)					\
> >      do {							\
> > @@ -195,6 +197,40 @@ notmuch_setup_command (unused (void *ctx),
> >  	g_ptr_array_free (tags, TRUE);
> >      }
> >  
> > +    search_exclude_tags = notmuch_config_get_search_exclude_tags (config, &search_exclude_tags_len);
> > +
> > +    printf ("Tags to exclude when searching messages (separated by spaces) [");
> > +
> > +    for (i = 0; i < search_exclude_tags_len; i++) {
> > +	if (i != 0)
> > +	    printf (" ");
> > +	printf ("%s", search_exclude_tags[i]);
> > +    }
> > +
> > +    prompt ("]: ");
> > +
> > +    if (strlen (response)) {
> > +	GPtrArray *tags = g_ptr_array_new ();
> > +	char *tag = response;
> > +	char *space;
> > +
> > +	while (tag && *tag) {
> > +	    space = strchr (tag, ' ');
> > +	    if (space)
> > +		g_ptr_array_add (tags, talloc_strndup (ctx, tag, space - tag));
> > +	    else
> > +		g_ptr_array_add (tags, talloc_strdup (ctx, tag));
> > +	    tag = space;
> > +	    while (tag && *tag == ' ')
> > +		tag++;
> > +	}
> > +
> > +	notmuch_config_set_search_exclude_tags (config, (const char **) tags->pdata,
> > +				     tags->len);
> > +
> > +	g_ptr_array_free (tags, TRUE);
> > +    }
> > +
> 
> Holy code duplication.  Can we move most of this (at least the
> response parsing part and maybe the prompt printing) into a function
> and use it for both new tags and exclude tags?
> 

Depends on who "we" is... :)  I would gladly do it if I could, but I
think this uber1337 copy-paste coding job serves as *very* convincing
proof that I'm pretty much in the dark (with a single wet match) when it
comes to C :)


> >      if (! notmuch_config_save (config)) {
> >  	if (is_new)
> >  	  welcome_message_post_setup ();


Peace

-- 
Pieter