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-rw-r--r--parse-options.h82
1 files changed, 59 insertions, 23 deletions
diff --git a/parse-options.h b/parse-options.h
index 0c996916b6..77a4a8b2e6 100644
--- a/parse-options.h
+++ b/parse-options.h
@@ -10,22 +10,26 @@ enum parse_opt_type {
/* options with no arguments */
OPTION_BIT,
OPTION_NEGBIT,
- OPTION_BOOLEAN, /* _INCR would have been a better name */
+ OPTION_COUNTUP,
OPTION_SET_INT,
OPTION_SET_PTR,
/* options with arguments (usually) */
OPTION_STRING,
OPTION_INTEGER,
OPTION_CALLBACK,
+ OPTION_LOWLEVEL_CALLBACK,
OPTION_FILENAME
};
+/* Deprecated synonym */
+#define OPTION_BOOLEAN OPTION_COUNTUP
+
enum parse_opt_flags {
PARSE_OPT_KEEP_DASHDASH = 1,
PARSE_OPT_STOP_AT_NON_OPTION = 2,
PARSE_OPT_KEEP_ARGV0 = 4,
PARSE_OPT_KEEP_UNKNOWN = 8,
- PARSE_OPT_NO_INTERNAL_HELP = 16,
+ PARSE_OPT_NO_INTERNAL_HELP = 16
};
enum parse_opt_option_flags {
@@ -36,12 +40,16 @@ enum parse_opt_option_flags {
PARSE_OPT_LASTARG_DEFAULT = 16,
PARSE_OPT_NODASH = 32,
PARSE_OPT_LITERAL_ARGHELP = 64,
- PARSE_OPT_NEGHELP = 128,
+ PARSE_OPT_SHELL_EVAL = 256
};
struct option;
typedef int parse_opt_cb(const struct option *, const char *arg, int unset);
+struct parse_opt_ctx_t;
+typedef int parse_opt_ll_cb(struct parse_opt_ctx_t *ctx,
+ const struct option *opt, int unset);
+
/*
* `type`::
* holds the type of the option, you must have an OPTION_END last in your
@@ -58,17 +66,19 @@ typedef int parse_opt_cb(const struct option *, const char *arg, int unset);
*
* `argh`::
* token to explain the kind of argument this option wants. Keep it
- * homogeneous across the repository.
+ * homogeneous across the repository. Should be wrapped by N_() for
+ * translation.
*
* `help`::
* the short help associated to what the option does.
* Must never be NULL (except for OPTION_END).
* OPTION_GROUP uses this pointer to store the group header.
+ * Should be wrapped by N_() for translation.
*
* `flags`::
* mask of parse_opt_option_flags.
* PARSE_OPT_OPTARG: says that the argument is optional (not for BOOLEANs)
- * PARSE_OPT_NOARG: says that this option takes no argument
+ * PARSE_OPT_NOARG: says that this option does not take an argument
* PARSE_OPT_NONEG: says that this option cannot be negated
* PARSE_OPT_HIDDEN: this option is skipped in the default usage, and
* shown only in the full usage.
@@ -81,12 +91,10 @@ typedef int parse_opt_cb(const struct option *, const char *arg, int unset);
* PARSE_OPT_LITERAL_ARGHELP: says that argh shouldn't be enclosed in brackets
* (i.e. '<argh>') in the help message.
* Useful for options with multiple parameters.
- * PARSE_OPT_NEGHELP: says that the long option should always be shown with
- * the --no prefix in the usage message. Sometimes
- * useful for users of OPTION_NEGBIT.
*
* `callback`::
- * pointer to the callback to use for OPTION_CALLBACK.
+ * pointer to the callback to use for OPTION_CALLBACK or
+ * OPTION_LOWLEVEL_CALLBACK.
*
* `defval`::
* default value to fill (*->value) with for PARSE_OPT_OPTARG.
@@ -115,18 +123,22 @@ struct option {
PARSE_OPT_NOARG, NULL, (b) }
#define OPT_NEGBIT(s, l, v, h, b) { OPTION_NEGBIT, (s), (l), (v), NULL, \
(h), PARSE_OPT_NOARG, NULL, (b) }
-#define OPT_BOOLEAN(s, l, v, h) { OPTION_BOOLEAN, (s), (l), (v), NULL, \
+#define OPT_COUNTUP(s, l, v, h) { OPTION_COUNTUP, (s), (l), (v), NULL, \
(h), PARSE_OPT_NOARG }
#define OPT_SET_INT(s, l, v, h, i) { OPTION_SET_INT, (s), (l), (v), NULL, \
(h), PARSE_OPT_NOARG, NULL, (i) }
+#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_INTEGER(s, l, v, h) { OPTION_INTEGER, (s), (l), (v), "n", (h) }
+#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) \
+ { OPTION_CALLBACK, (s), (l), (v), (a), \
+ (h), 0, &parse_opt_string_list }
#define OPT_UYN(s, l, v, h) { OPTION_CALLBACK, (s), (l), (v), NULL, \
(h), PARSE_OPT_NOARG, &parse_opt_tertiary }
#define OPT_DATE(s, l, v, h) \
- { OPTION_CALLBACK, (s), (l), (v), "time",(h), 0, \
+ { OPTION_CALLBACK, (s), (l), (v), N_("time"),(h), 0, \
parse_opt_approxidate_cb }
#define OPT_CALLBACK(s, l, v, a, h, f) \
{ OPTION_CALLBACK, (s), (l), (v), (a), (h), 0, (f) }
@@ -134,10 +146,22 @@ struct option {
{ OPTION_NUMBER, 0, NULL, (v), NULL, (h), \
PARSE_OPT_NOARG | PARSE_OPT_NONEG, (f) }
#define OPT_FILENAME(s, l, v, h) { OPTION_FILENAME, (s), (l), (v), \
- "FILE", (h) }
+ N_("file"), (h) }
+#define OPT_COLOR_FLAG(s, l, v, h) \
+ { OPTION_CALLBACK, (s), (l), (v), N_("when"), (h), PARSE_OPT_OPTARG, \
+ parse_opt_color_flag_cb, (intptr_t)"always" }
+
+#define OPT_NOOP_NOARG(s, l) \
+ { OPTION_CALLBACK, (s), (l), NULL, NULL, \
+ N_("no-op (backward compatibility)"), \
+ PARSE_OPT_HIDDEN | PARSE_OPT_NOARG, parse_opt_noop_cb }
+
+/* Deprecated synonym */
+#define OPT_BOOLEAN OPT_COUNTUP
/* parse_options() will filter out the processed options and leave the
- * non-option arguments in argv[].
+ * non-option arguments in argv[]. usagestr strings should be marked
+ * for translation with N_().
* Returns the number of arguments left in argv[].
*/
extern int parse_options(int argc, const char **argv, const char *prefix,
@@ -151,12 +175,15 @@ extern NORETURN void usage_msg_opt(const char *msg,
const char * const *usagestr,
const struct option *options);
+extern int optbug(const struct option *opt, const char *reason);
+extern int opterror(const struct option *opt, const char *reason, int flags);
/*----- incremental advanced APIs -----*/
enum {
PARSE_OPT_HELP = -1,
PARSE_OPT_DONE,
- PARSE_OPT_UNKNOWN,
+ PARSE_OPT_NON_OPTION,
+ PARSE_OPT_UNKNOWN
};
/*
@@ -175,7 +202,7 @@ struct parse_opt_ctx_t {
extern void parse_options_start(struct parse_opt_ctx_t *ctx,
int argc, const char **argv, const char *prefix,
- int flags);
+ const struct option *options, int flags);
extern int parse_options_step(struct parse_opt_ctx_t *ctx,
const struct option *options,
@@ -183,25 +210,34 @@ extern int parse_options_step(struct parse_opt_ctx_t *ctx,
extern int parse_options_end(struct parse_opt_ctx_t *ctx);
+extern int parse_options_concat(struct option *dst, size_t, struct option *src);
/*----- some often used options -----*/
extern int parse_opt_abbrev_cb(const struct option *, const char *, int);
extern int parse_opt_approxidate_cb(const struct option *, const char *, int);
+extern int parse_opt_color_flag_cb(const struct option *, const char *, int);
extern int parse_opt_verbosity_cb(const struct option *, const char *, int);
extern int parse_opt_with_commit(const struct option *, const char *, int);
extern int parse_opt_tertiary(const struct option *, const char *, int);
+extern int parse_opt_string_list(const struct option *, const char *, int);
+extern int parse_opt_noop_cb(const struct option *, const char *, int);
-#define OPT__VERBOSE(var) OPT_BOOLEAN('v', "verbose", (var), "be verbose")
-#define OPT__QUIET(var) OPT_BOOLEAN('q', "quiet", (var), "be quiet")
+#define OPT__VERBOSE(var, h) OPT_BOOLEAN('v', "verbose", (var), (h))
+#define OPT__QUIET(var, h) OPT_BOOLEAN('q', "quiet", (var), (h))
#define OPT__VERBOSITY(var) \
- { OPTION_CALLBACK, 'v', "verbose", (var), NULL, "be more verbose", \
+ { OPTION_CALLBACK, 'v', "verbose", (var), NULL, N_("be more verbose"), \
PARSE_OPT_NOARG, &parse_opt_verbosity_cb, 0 }, \
- { OPTION_CALLBACK, 'q', "quiet", (var), NULL, "be more quiet", \
+ { OPTION_CALLBACK, 'q', "quiet", (var), NULL, N_("be more quiet"), \
PARSE_OPT_NOARG, &parse_opt_verbosity_cb, 0 }
-#define OPT__DRY_RUN(var) OPT_BOOLEAN('n', "dry-run", (var), "dry run")
+#define OPT__DRY_RUN(var, h) OPT_BOOLEAN('n', "dry-run", (var), (h))
+#define OPT__FORCE(var, h) OPT_BOOLEAN('f', "force", (var), (h))
#define OPT__ABBREV(var) \
- { OPTION_CALLBACK, 0, "abbrev", (var), "n", \
- "use <n> digits to display SHA-1s", \
+ { OPTION_CALLBACK, 0, "abbrev", (var), N_("n"), \
+ N_("use <n> digits to display SHA-1s"), \
PARSE_OPT_OPTARG, &parse_opt_abbrev_cb, 0 }
+#define OPT__COLOR(var, h) \
+ OPT_COLOR_FLAG(0, "color", (var), (h))
+#define OPT_COLUMN(s, l, v, h) \
+ { OPTION_CALLBACK, (s), (l), (v), "style", (h), PARSE_OPT_OPTARG, parseopt_column_callback }
#endif