git/test-parse-options.c
Charles Bailey 2a514ed805 parse-options: move unsigned long option parsing out of pack-objects.c
The unsigned long option parsing (including 'k'/'m'/'g' suffix
parsing) is more widely applicable.  Add support for OPT_MAGNITUDE
to parse-options.h and change pack-objects.c use this support.

The error behavior on parse errors follows that of OPT_INTEGER.  The
name of the option that failed to parse is reported with a brief
message describing the expect format for the option argument and
then the full usage message for the command invoked.

This differs from the previous behavior for OPT_ULONG used in
pack-objects for --max-pack-size and --window-memory which used to
display the value supplied in the error message and did not display
the full usage message.

Signed-off-by: Charles Bailey <cbailey32@bloomberg.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2015-06-22 15:07:21 -07:00

105 lines
3.5 KiB
C

#include "cache.h"
#include "parse-options.h"
#include "string-list.h"
static int boolean = 0;
static int integer = 0;
static unsigned long magnitude = 0;
static unsigned long timestamp;
static int abbrev = 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)
{
printf("Callback: \"%s\", %d\n",
(arg ? arg : "not set"), unset);
if (unset)
return 1; /* do not support unset */
*(int *)opt->value = strlen(arg);
return 0;
}
static int number_callback(const struct option *opt, const char *arg, int unset)
{
*(int *)opt->value = strtol(arg, NULL, 10);
return 0;
}
int main(int argc, char **argv)
{
const char *prefix = "prefix/";
const char *usage[] = {
"test-parse-options <options>",
NULL
};
struct option options[] = {
OPT_BOOL(0, "yes", &boolean, "get a boolean"),
OPT_BOOL('D', "no-doubt", &boolean, "begins with 'no-'"),
{ OPTION_SET_INT, 'B', "no-fear", &boolean, NULL,
"be brave", PARSE_OPT_NOARG | PARSE_OPT_NONEG, NULL, 1 },
OPT_COUNTUP('b', "boolean", &boolean, "increment by one"),
OPT_BIT('4', "or4", &boolean,
"bitwise-or boolean with ...0100", 4),
OPT_NEGBIT(0, "neg-or4", &boolean, "same as --no-or4", 4),
OPT_GROUP(""),
OPT_INTEGER('i', "integer", &integer, "get a integer"),
OPT_INTEGER('j', NULL, &integer, "get a integer, too"),
OPT_MAGNITUDE('m', "magnitude", &magnitude, "get a magnitude"),
OPT_SET_INT(0, "set23", &integer, "set integer to 23", 23),
OPT_DATE('t', NULL, &timestamp, "get timestamp of <time>"),
OPT_CALLBACK('L', "length", &integer, "str",
"get length of <str>", length_callback),
OPT_FILENAME('F', "file", &file, "set file to <file>"),
OPT_GROUP("String options"),
OPT_STRING('s', "string", &string, "string", "get a string"),
OPT_STRING(0, "string2", &string, "str", "get another string"),
OPT_STRING(0, "st", &string, "st", "get another string (pervert ordering)"),
OPT_STRING('o', NULL, &string, "str", "get another string"),
OPT_NOOP_NOARG(0, "obsolete"),
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",
number_callback),
{ OPTION_COUNTUP, '+', NULL, &boolean, NULL, "same as -b",
PARSE_OPT_NOARG | PARSE_OPT_NONEG | PARSE_OPT_NODASH },
{ OPTION_COUNTUP, 0, "ambiguous", &ambiguous, NULL,
"positive ambiguity", PARSE_OPT_NOARG | PARSE_OPT_NONEG },
{ OPTION_COUNTUP, 0, "no-ambiguous", &ambiguous, NULL,
"negative ambiguity", PARSE_OPT_NOARG | PARSE_OPT_NONEG },
OPT_GROUP("Standard options"),
OPT__ABBREV(&abbrev),
OPT__VERBOSE(&verbose, "be verbose"),
OPT__DRY_RUN(&dry_run, "dry run"),
OPT__QUIET(&quiet, "be quiet"),
OPT_END(),
};
int i;
argc = parse_options(argc, (const char **)argv, prefix, options, usage, 0);
printf("boolean: %d\n", boolean);
printf("integer: %d\n", integer);
printf("magnitude: %lu\n", magnitude);
printf("timestamp: %lu\n", timestamp);
printf("string: %s\n", string ? string : "(not set)");
printf("abbrev: %d\n", abbrev);
printf("verbose: %d\n", verbose);
printf("quiet: %s\n", quiet ? "yes" : "no");
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]);
return 0;
}