Andrew's git / gitweb.git / test-parse-options.c
?
test-parse-options.con commit Documentation: format full commands in typewriter font (ca76828)
   1#include "cache.h"
   2#include "parse-options.h"
   3
   4static int boolean = 0;
   5static int integer = 0;
   6static unsigned long timestamp;
   7static int abbrev = 7;
   8static int verbose = 0, dry_run = 0, quiet = 0;
   9static char *string = NULL;
  10static char *file = NULL;
  11static int ambiguous;
  12
  13static 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
  24static 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
  30int 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),
  70                OPT__DRY_RUN(&dry_run),
  71                OPT__QUIET(&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}