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Re: [Qemu-devel] [PATCH v2 4/5] object: Make option help nicer to read
From: |
Marc-André Lureau |
Subject: |
Re: [Qemu-devel] [PATCH v2 4/5] object: Make option help nicer to read |
Date: |
Mon, 5 Nov 2018 12:15:04 +0400 |
On Fri, Oct 19, 2018 at 8:49 PM Max Reitz <address@hidden> wrote:
>
> Just like in qemu_opts_print_help(), print the object name as a caption
> instead of on every single line, indent all options, add angle brackets
> around types, and align the descriptions after 24 characters.
>
> Also, indent every object name in the list of available objects.
>
> Signed-off-by: Max Reitz <address@hidden>
Reviewed-by: Marc-André Lureau <address@hidden>
> ---
> vl.c | 13 ++++++++++---
> 1 file changed, 10 insertions(+), 3 deletions(-)
>
> diff --git a/vl.c b/vl.c
> index ac3ed17de4..ecddbb6b8e 100644
> --- a/vl.c
> +++ b/vl.c
> @@ -2707,7 +2707,7 @@ static bool object_create_initial(const char *type,
> QemuOpts *opts)
> list = object_class_get_list_sorted(TYPE_USER_CREATABLE, false);
> for (l = list; l != NULL; l = l->next) {
> ObjectClass *oc = OBJECT_CLASS(l->data);
> - printf("%s\n", object_class_get_name(oc));
> + printf(" %s\n", object_class_get_name(oc));
> }
> g_slist_free(list);
> exit(0);
> @@ -2729,14 +2729,21 @@ static bool object_create_initial(const char *type,
> QemuOpts *opts)
> }
>
> str = g_string_new(NULL);
> - g_string_append_printf(str, "%s.%s=%s", type,
> - prop->name, prop->type);
> + g_string_append_printf(str, " %s=<%s>", prop->name, prop->type);
> if (prop->description) {
> + if (str->len < 24) {
> + g_string_append_printf(str, "%*s", 24 - (int)str->len,
> "");
> + }
> g_string_append_printf(str, " - %s", prop->description);
> }
> g_ptr_array_add(array, g_string_free(str, false));
> }
> g_ptr_array_sort(array, (GCompareFunc)qemu_pstrcmp0);
> + if (array->len > 0) {
> + printf("%s options:\n", type);
> + } else {
> + printf("There are no options for %s.\n", type);
> + }
> for (i = 0; i < array->len; i++) {
> printf("%s\n", (char *)array->pdata[i]);
> }
> --
> 2.17.1
>
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