Re: [PATCH 2/2] wildmatch: use the new precompiling wildmatch()

[Duy Nguyen <pclouds@gmail.com>]

On Mon, Feb 26, 2018 at 3:35 AM, Ævar Arnfjörð Bjarmason
<avarab@gmail.com> wrote:
> diff --git a/config.c b/config.c
> index b0c20e6cb8..0f595de971 100644
> --- a/config.c
> +++ b/config.c
> @@ -210,6 +210,7 @@ static int include_by_gitdir(const struct config_options *opts,
>         int ret = 0, prefix;
>         const char *git_dir;
>         int already_tried_absolute = 0;
> +       struct wildmatch_compiled *wildmatch_compiled = NULL;
>
>         if (opts->git_dir)
>                 git_dir = opts->git_dir;
> @@ -237,8 +238,10 @@ static int include_by_gitdir(const struct config_options *opts,
>                         goto done;
>         }
>
> -       ret = !wildmatch(pattern.buf + prefix, text.buf + prefix,
> -                        icase ? WM_CASEFOLD : 0);
> +       if (!wildmatch_compiled)
> +               wildmatch_compiled = wildmatch_compile(pattern.buf + prefix,
> +                                                      icase ? WM_CASEFOLD : 0);
> +       ret = !wildmatch_match(wildmatch_compiled, text.buf + prefix);

This is a one-shot matching. Is it worth converting to the new interface?

>
>         if (!ret && !already_tried_absolute) {
>                 /*
> @@ -257,6 +260,7 @@ static int include_by_gitdir(const struct config_options *opts,
>  done:
>         strbuf_release(&pattern);
>         strbuf_release(&text);
> +       wildmatch_free(wildmatch_compiled);
>         return ret;
>  }
>
> diff --git a/refs.c b/refs.c
> index 20ba82b434..c631793d1e 100644
> --- a/refs.c
> +++ b/refs.c
> @@ -213,7 +213,7 @@ char *resolve_refdup(const char *refname, int resolve_flags,
>
>  /* The argument to filter_refs */
>  struct ref_filter {
> -       const char *pattern;
> +       struct wildmatch_compiled *code;

This actually makes me think if we should name this struct wildmatch_pattern.

>         each_ref_fn *fn;
>         void *cb_data;
>  };
> @@ -291,7 +291,7 @@ static int filter_refs(const char *refname, const struct object_id *oid,
>  {
>         struct ref_filter *filter = (struct ref_filter *)data;
>
> -       if (wildmatch(filter->pattern, refname, 0))
> +       if (wildmatch_match(filter->code, refname))
>                 return 0;
>         return filter->fn(refname, oid, flags, filter->cb_data);
>  }
> @@ -454,12 +454,13 @@ int for_each_glob_ref_in(each_ref_fn fn, const char *pattern,
>                 strbuf_addch(&real_pattern, '*');
>         }
>
> -       filter.pattern = real_pattern.buf;
> +       filter.code = wildmatch_compile(real_pattern.buf, 0);
>         filter.fn = fn;
>         filter.cb_data = cb_data;
>         ret = for_each_ref(filter_refs, &filter);
>
>         strbuf_release(&real_pattern);
> +       wildmatch_free(filter.code);
>         return ret;
>  }
>
> --
> 2.15.1.424.g9478a66081
>
-- 
Duy