Andrew's git - gitweb.git/blob

b5f4e900baf90717feb6da37f3ca66a179315654
   1#include "cache.h"
   2#include "parse-options.h"
   3#include "string-list.h"
   4
   5static int boolean = 0;
   6static int integer = 0;
   7static unsigned long magnitude = 0;
   8static unsigned long timestamp;
   9static int abbrev = 7;
  10static int verbose = -1; /* unspecified */
  11static int dry_run = 0, quiet = 0;
  12static char *string = NULL;
  13static char *file = NULL;
  14static int ambiguous;
  15static struct string_list list;
  16
  17static struct {
  18        int called;
  19        const char *arg;
  20        int unset;
  21} length_cb;
  22
  23static int length_callback(const struct option *opt, const char *arg, int unset)
  24{
  25        length_cb.called = 1;
  26        length_cb.arg = arg;
  27        length_cb.unset = unset;
  28
  29        if (unset)
  30                return 1; /* do not support unset */
  31
  32        *(int *)opt->value = strlen(arg);
  33        return 0;
  34}
  35
  36static int number_callback(const struct option *opt, const char *arg, int unset)
  37{
  38        *(int *)opt->value = strtol(arg, NULL, 10);
  39        return 0;
  40}
  41
  42int main(int argc, char **argv)
  43{
  44        const char *prefix = "prefix/";
  45        const char *usage[] = {
  46                "test-parse-options <options>",
  47                NULL
  48        };
  49        struct option options[] = {
  50                OPT_BOOL(0, "yes", &boolean, "get a boolean"),
  51                OPT_BOOL('D', "no-doubt", &boolean, "begins with 'no-'"),
  52                { OPTION_SET_INT, 'B', "no-fear", &boolean, NULL,
  53                  "be brave", PARSE_OPT_NOARG | PARSE_OPT_NONEG, NULL, 1 },
  54                OPT_COUNTUP('b', "boolean", &boolean, "increment by one"),
  55                OPT_BIT('4', "or4", &boolean,
  56                        "bitwise-or boolean with ...0100", 4),
  57                OPT_NEGBIT(0, "neg-or4", &boolean, "same as --no-or4", 4),
  58                OPT_GROUP(""),
  59                OPT_INTEGER('i', "integer", &integer, "get a integer"),
  60                OPT_INTEGER('j', NULL, &integer, "get a integer, too"),
  61                OPT_MAGNITUDE('m', "magnitude", &magnitude, "get a magnitude"),
  62                OPT_SET_INT(0, "set23", &integer, "set integer to 23", 23),
  63                OPT_DATE('t', NULL, &timestamp, "get timestamp of <time>"),
  64                OPT_CALLBACK('L', "length", &integer, "str",
  65                        "get length of <str>", length_callback),
  66                OPT_FILENAME('F', "file", &file, "set file to <file>"),
  67                OPT_GROUP("String options"),
  68                OPT_STRING('s', "string", &string, "string", "get a string"),
  69                OPT_STRING(0, "string2", &string, "str", "get another string"),
  70                OPT_STRING(0, "st", &string, "st", "get another string (pervert ordering)"),
  71                OPT_STRING('o', NULL, &string, "str", "get another string"),
  72                OPT_NOOP_NOARG(0, "obsolete"),
  73                OPT_STRING_LIST(0, "list", &list, "str", "add str to list"),
  74                OPT_GROUP("Magic arguments"),
  75                OPT_ARGUMENT("quux", "means --quux"),
  76                OPT_NUMBER_CALLBACK(&integer, "set integer to NUM",
  77                        number_callback),
  78                { OPTION_COUNTUP, '+', NULL, &boolean, NULL, "same as -b",
  79                  PARSE_OPT_NOARG | PARSE_OPT_NONEG | PARSE_OPT_NODASH },
  80                { OPTION_COUNTUP, 0, "ambiguous", &ambiguous, NULL,
  81                  "positive ambiguity", PARSE_OPT_NOARG | PARSE_OPT_NONEG },
  82                { OPTION_COUNTUP, 0, "no-ambiguous", &ambiguous, NULL,
  83                  "negative ambiguity", PARSE_OPT_NOARG | PARSE_OPT_NONEG },
  84                OPT_GROUP("Standard options"),
  85                OPT__ABBREV(&abbrev),
  86                OPT__VERBOSE(&verbose, "be verbose"),
  87                OPT__DRY_RUN(&dry_run, "dry run"),
  88                OPT__QUIET(&quiet, "be quiet"),
  89                OPT_END(),
  90        };
  91        int i;
  92
  93        argc = parse_options(argc, (const char **)argv, prefix, options, usage, 0);
  94
  95        if (length_cb.called) {
  96                const char *arg = length_cb.arg;
  97                int unset = length_cb.unset;
  98                printf("Callback: \"%s\", %d\n",
  99                       (arg ? arg : "not set"), unset);
 100        }
 101        printf("boolean: %d\n", boolean);
 102        printf("integer: %d\n", integer);
 103        printf("magnitude: %lu\n", magnitude);
 104        printf("timestamp: %lu\n", timestamp);
 105        printf("string: %s\n", string ? string : "(not set)");
 106        printf("abbrev: %d\n", abbrev);
 107        printf("verbose: %d\n", verbose);
 108        printf("quiet: %d\n", quiet);
 109        printf("dry run: %s\n", dry_run ? "yes" : "no");
 110        printf("file: %s\n", file ? file : "(not set)");
 111
 112        for (i = 0; i < list.nr; i++)
 113                printf("list: %s\n", list.items[i].string);
 114
 115        for (i = 0; i < argc; i++)
 116                printf("arg %02d: %s\n", i, argv[i]);
 117
 118        return 0;
 119}