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parse-options: add OPT_CMDMODE()

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This can be used to define a set of mutually exclusive "command
mode" options, and automatically catch use of more than one from
that set as an error.

Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Junio C Hamano
2013-07-30 12:06:01 -07:00
parent 35f5eaa2ee
commit 1158826394
2 changed files with 56 additions and 5 deletions
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3
parse-options.h
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@ -13,6 +13,7 @@ enum parse_opt_type {
OPTION_COUNTUP,
OPTION_SET_INT,
OPTION_SET_PTR,
OPTION_CMDMODE,
/* options with arguments (usually) */
OPTION_STRING,
OPTION_INTEGER,
@ -130,6 +131,8 @@ struct option {
#define OPT_BOOL(s, l, v, h) OPT_SET_INT(s, l, v, h, 1)
#define OPT_SET_PTR(s, l, v, h, p) { OPTION_SET_PTR, (s), (l), (v), NULL, \
(h), PARSE_OPT_NOARG, NULL, (p) }
#define OPT_CMDMODE(s, l, v, h, i) { OPTION_CMDMODE, (s), (l), (v), NULL, \
(h), PARSE_OPT_NOARG|PARSE_OPT_NONEG, NULL, (i) }
#define OPT_INTEGER(s, l, v, h) { OPTION_INTEGER, (s), (l), (v), N_("n"), (h) }
#define OPT_STRING(s, l, v, a, h) { OPTION_STRING, (s), (l), (v), (a), (h) }
#define OPT_STRING_LIST(s, l, v, a, h) \