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parseopt: add OPT_NUMBER_CALLBACK
[thirdparty/git.git] / test-parse-options.c
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1#include "cache.h"
2#include "parse-options.h"
3
4static int boolean = 0;
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5static int integer = 0;
6static unsigned long timestamp;
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7static int abbrev = 7;
8static int verbose = 0, dry_run = 0, quiet = 0;
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9static char *string = NULL;
10
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11int 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
8caa3acf 18 *(int *)opt->value = strlen(arg);
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19 return 0;
20}
21
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22int number_callback(const struct option *opt, const char *arg, int unset)
23{
24 *(int *)opt->value = strtol(arg, NULL, 10);
25 return 0;
26}
27
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28int main(int argc, const char **argv)
29{
30 const char *usage[] = {
31 "test-parse-options <options>",
32 NULL
33 };
34 struct option options[] = {
35 OPT_BOOLEAN('b', "boolean", &boolean, "get a boolean"),
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36 OPT_BIT('4', "or4", &boolean,
37 "bitwise-or boolean with ...0100", 4),
2f4b97f9 38 OPT_NEGBIT(0, "neg-or4", &boolean, "same as --no-or4", 4),
010a2dac 39 OPT_GROUP(""),
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40 OPT_INTEGER('i', "integer", &integer, "get a integer"),
41 OPT_INTEGER('j', NULL, &integer, "get a integer, too"),
010a2dac 42 OPT_SET_INT(0, "set23", &integer, "set integer to 23", 23),
c4aca9cc 43 OPT_DATE('t', NULL, &timestamp, "get timestamp of <time>"),
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44 OPT_CALLBACK('L', "length", &integer, "str",
45 "get length of <str>", length_callback),
46 OPT_GROUP("String options"),
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47 OPT_STRING('s', "string", &string, "string", "get a string"),
48 OPT_STRING(0, "string2", &string, "str", "get another string"),
243e0614 49 OPT_STRING(0, "st", &string, "st", "get another string (pervert ordering)"),
3a9f0f41 50 OPT_STRING('o', NULL, &string, "str", "get another string"),
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51 OPT_SET_PTR(0, "default-string", &string,
52 "set string to default", (unsigned long)"default"),
53 OPT_GROUP("Magic arguments"),
580d5bff 54 OPT_ARGUMENT("quux", "means --quux"),
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55 OPT_NUMBER_CALLBACK(&integer, "set integer to NUM",
56 number_callback),
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57 OPT_GROUP("Standard options"),
58 OPT__ABBREV(&abbrev),
59 OPT__VERBOSE(&verbose),
60 OPT__DRY_RUN(&dry_run),
61 OPT__QUIET(&quiet),
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62 OPT_END(),
63 };
64 int i;
65
66 argc = parse_options(argc, argv, options, usage, 0);
67
68 printf("boolean: %d\n", boolean);
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69 printf("integer: %u\n", integer);
70 printf("timestamp: %lu\n", timestamp);
beb47437 71 printf("string: %s\n", string ? string : "(not set)");
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72 printf("abbrev: %d\n", abbrev);
73 printf("verbose: %d\n", verbose);
74 printf("quiet: %s\n", quiet ? "yes" : "no");
75 printf("dry run: %s\n", dry_run ? "yes" : "no");
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76
77 for (i = 0; i < argc; i++)
78 printf("arg %02d: %s\n", i, argv[i]);
79
80 return 0;
81}