parse-options: add OPT_STRING_LIST helper

This just adds repeated invocations of an option to a list
of strings. Using the "--no-<var>" form will reset the list
to empty.

Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Jeff King
2011-06-09 11:55:23 -04:00
committed by Junio C Hamano
parent f77bccaeba
commit c8ba163916
4 changed files with 44 additions and 0 deletions

View File

@ -1,5 +1,6 @@
#include "cache.h"
#include "parse-options.h"
#include "string-list.h"
static int boolean = 0;
static int integer = 0;
@ -9,6 +10,7 @@ static int verbose = 0, dry_run = 0, quiet = 0;
static char *string = NULL;
static char *file = NULL;
static int ambiguous;
static struct string_list list;
static int length_callback(const struct option *opt, const char *arg, int unset)
{
@ -54,6 +56,7 @@ int main(int argc, const char **argv)
OPT_STRING('o', NULL, &string, "str", "get another string"),
OPT_SET_PTR(0, "default-string", &string,
"set string to default", (unsigned long)"default"),
OPT_STRING_LIST(0, "list", &list, "str", "add str to list"),
OPT_GROUP("Magic arguments"),
OPT_ARGUMENT("quux", "means --quux"),
OPT_NUMBER_CALLBACK(&integer, "set integer to NUM",
@ -85,6 +88,9 @@ int main(int argc, const char **argv)
printf("dry run: %s\n", dry_run ? "yes" : "no");
printf("file: %s\n", file ? file : "(not set)");
for (i = 0; i < list.nr; i++)
printf("list: %s\n", list.items[i].string);
for (i = 0; i < argc; i++)
printf("arg %02d: %s\n", i, argv[i]);