Re: [PATCH v4 06/12] ref-filter: introduce color_atom_parser()

> Introduce color_atom_parser() which will parse a "color" atom and
> store its color in the "used_atom" structure for further usage in
> populate_value().
>
> Signed-off-by: Karthik Nayak <Karthik.188@gmail.com>
> ---
> diff --git a/ref-filter.c b/ref-filter.c
> @@ -29,10 +29,21 @@ typedef enum { FIELD_STR, FIELD_ULONG, FIELD_TIME } cmp_type;
>  static struct used_atom {
>         const char *name;
>         cmp_type type;
> +       union {
> +               char color[COLOR_MAXLEN];
> +       } u;
>  } *used_atom;
>  static int used_atom_cnt, need_tagged, need_symref;
>  static int need_color_reset_at_eol;
>
> +static void color_atom_parser(struct used_atom *atom, const char *color_value)
> +{
> +       if (!color_value)
> +               die(_("expected format: %%(color:<color>)"));
> +       if (color_parse(color_value, atom->u.color) < 0)
> +               die(_("invalid color value: %s"), atom->u.color);