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 static char *file = NULL;
  11 static int ambiguous;
  12
  13 static int length_callback(const struct option *opt, const char *arg, int unset)
  14 {
  15         printf("Callback: \"%s\", %d\n",
  16                 (arg ? arg : "not set"), unset);
  17         if (unset)
  18                 return 1; /* do not support unset */
  19
  20         *(int *)opt->value = strlen(arg);
  21         return 0;
  22 }
  23
  24 static int number_callback(const struct option *opt, const char *arg, int unset)
  25 {
  26         *(int *)opt->value = strtol(arg, NULL, 10);
  27         return 0;
  28 }
  29
  30 int main(int argc, const char **argv)
  31 {
  32         const char *prefix = "prefix/";
  33         const char *usage[] = {
  34                 "test-parse-options <options>",
  35                 NULL
  36         };
  37         struct option options[] = {
  38                 OPT_BOOLEAN('b', "boolean", &boolean, "get a boolean"),
  39                 OPT_BIT('4', "or4", &boolean,
  40                         "bitwise-or boolean with ...0100", 4),
  41                 OPT_NEGBIT(0, "neg-or4", &boolean, "same as --no-or4", 4),
  42                 OPT_GROUP(""),
  43                 OPT_INTEGER('i', "integer", &integer, "get a integer"),
  44                 OPT_INTEGER('j', NULL, &integer, "get a integer, too"),
  45                 OPT_SET_INT(0, "set23", &integer, "set integer to 23", 23),
  46                 OPT_DATE('t', NULL, &timestamp, "get timestamp of <time>"),
  47                 OPT_CALLBACK('L', "length", &integer, "str",
  48                         "get length of <str>", length_callback),
  49                 OPT_FILENAME('F', "file", &file, "set file to <FILE>"),
  50                 OPT_GROUP("String options"),
  51                 OPT_STRING('s', "string", &string, "string", "get a string"),
  52                 OPT_STRING(0, "string2", &string, "str", "get another string"),
  53                 OPT_STRING(0, "st", &string, "st", "get another string (pervert ordering)"),
  54                 OPT_STRING('o', NULL, &string, "str", "get another string"),
  55                 OPT_SET_PTR(0, "default-string", &string,
  56                         "set string to default", (unsigned long)"default"),
  57                 OPT_GROUP("Magic arguments"),
  58                 OPT_ARGUMENT("quux", "means --quux"),
  59                 OPT_NUMBER_CALLBACK(&integer, "set integer to NUM",
  60                         number_callback),
  61                 { OPTION_BOOLEAN, '+', NULL, &boolean, NULL, "same as -b",
  62                   PARSE_OPT_NOARG | PARSE_OPT_NONEG | PARSE_OPT_NODASH },
  63                 { OPTION_BOOLEAN, 0, "ambiguous", &ambiguous, NULL,
  64                   "positive ambiguity", PARSE_OPT_NOARG | PARSE_OPT_NONEG },
  65                 { OPTION_BOOLEAN, 0, "no-ambiguous", &ambiguous, NULL,
  66                   "negative ambiguity", PARSE_OPT_NOARG | PARSE_OPT_NONEG },
  67                 OPT_GROUP("Standard options"),
  68                 OPT__ABBREV(&abbrev),
  69                 OPT__VERBOSE(&verbose, "be verbose"),
  70                 OPT__DRY_RUN(&dry_run, "dry run"),
  71                 OPT__QUIET(&quiet, "be quiet"),
  72                 OPT_END(),
  73         };
  74         int i;
  75
  76         argc = parse_options(argc, argv, prefix, options, usage, 0);
  77
  78         printf("boolean: %d\n", boolean);
  79         printf("integer: %u\n", integer);
  80         printf("timestamp: %lu\n", timestamp);
  81         printf("string: %s\n", string ? string : "(not set)");
  82         printf("abbrev: %d\n", abbrev);
  83         printf("verbose: %d\n", verbose);
  84         printf("quiet: %s\n", quiet ? "yes" : "no");
  85         printf("dry run: %s\n", dry_run ? "yes" : "no");
  86         printf("file: %s\n", file ? file : "(not set)");
  87
  88         for (i = 0; i < argc; i++)
  89                 printf("arg %02d: %s\n", i, argv[i]);
  90
  91         return 0;
  92 }