test-parse-options.c

   1 #include "cache.h"
   2 #include "parse-options.h"
   3
   4 static int boolean = 0;
   5 static int integer = 0;
   6 static unsigned long timestamp;
   7 static int abbrev = 7;
   8 static int verbose = 0, dry_run = 0, quiet = 0;
   9 static char *string = NULL;
  10
  11 int length_callback(const struct option *opt, const char *arg, int unset)
  12 {
  13         printf("Callback: \"%s\", %d\n",
  14                 (arg ? arg : "not set"), unset);
  15         if (unset)
  16                 return 1; /* do not support unset */
  17
  18         *(int *)opt->value = strlen(arg);
  19         return 0;
  20 }
  21
  22 int main(int argc, const char **argv)
  23 {
  24         const char *usage[] = {
  25                 "test-parse-options <options>",
  26                 NULL
  27         };
  28         struct option options[] = {
  29                 OPT_BOOLEAN('b', "boolean", &boolean, "get a boolean"),
  30                 OPT_BIT('4', "or4", &boolean,
  31                         "bitwise-or boolean with ...0100", 4),
  32                 OPT_GROUP(""),
  33                 OPT_INTEGER('i', "integer", &integer, "get a integer"),
  34                 OPT_INTEGER('j', NULL, &integer, "get a integer, too"),
  35                 OPT_SET_INT(0, "set23", &integer, "set integer to 23", 23),
  36                 OPT_DATE('t', NULL, &timestamp, "get timestamp of <time>"),
  37                 OPT_CALLBACK('L', "length", &integer, "str",
  38                         "get length of <str>", length_callback),
  39                 OPT_GROUP("String options"),
  40                 OPT_STRING('s', "string", &string, "string", "get a string"),
  41                 OPT_STRING(0, "string2", &string, "str", "get another string"),
  42                 OPT_STRING(0, "st", &string, "st", "get another string (pervert ordering)"),
  43                 OPT_STRING('o', NULL, &string, "str", "get another string"),
  44                 OPT_SET_PTR(0, "default-string", &string,
  45                         "set string to default", (unsigned long)"default"),
  46                 OPT_GROUP("Magic arguments"),
  47                 OPT_ARGUMENT("quux", "means --quux"),
  48                 OPT_GROUP("Standard options"),
  49                 OPT__ABBREV(&abbrev),
  50                 OPT__VERBOSE(&verbose),
  51                 OPT__DRY_RUN(&dry_run),
  52                 OPT__QUIET(&quiet),
  53                 OPT_END(),
  54         };
  55         int i;
  56
  57         argc = parse_options(argc, argv, options, usage, 0);
  58
  59         printf("boolean: %d\n", boolean);
  60         printf("integer: %u\n", integer);
  61         printf("timestamp: %lu\n", timestamp);
  62         printf("string: %s\n", string ? string : "(not set)");
  63         printf("abbrev: %d\n", abbrev);
  64         printf("verbose: %d\n", verbose);
  65         printf("quiet: %s\n", quiet ? "yes" : "no");
  66         printf("dry run: %s\n", dry_run ? "yes" : "no");
  67
  68         for (i = 0; i < argc; i++)
  69                 printf("arg %02d: %s\n", i, argv[i]);
  70
  71         return 0;
  72 }