test-parse-options.c

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This source file includes following definitions.
length_callback
number_callback
main
#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;
}
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root/test-parse-options.c

DEFINITIONS
