3 #include "parse-options.h"
4 #include "string-list.h"
7 static int boolean = 0;
8 static int integer = 0;
9 static unsigned long magnitude = 0;
10 static timestamp_t timestamp;
11 static int abbrev = 7;
12 static int verbose = -1; /* unspecified */
13 static int dry_run = 0, quiet = 0;
14 static char *string = NULL;
15 static char *file = NULL;
17 static struct string_list list = STRING_LIST_INIT_NODUP;
25 static int length_callback(const struct option *opt, const char *arg, int unset)
29 length_cb.unset = unset;
32 return 1; /* do not support unset */
34 *(int *)opt->value = strlen(arg);
38 static int number_callback(const struct option *opt, const char *arg, int unset)
40 BUG_ON_OPT_NEG(unset);
41 *(int *)opt->value = strtol(arg, NULL, 10);
45 static int collect_expect(const struct option *opt, const char *arg, int unset)
47 struct string_list *expect;
48 struct string_list_item *item;
49 struct strbuf label = STRBUF_INIT;
53 die("malformed --expect option");
55 expect = (struct string_list *)opt->value;
56 colon = strchr(arg, ':');
58 die("malformed --expect option, lacking a colon");
59 strbuf_add(&label, arg, colon - arg);
60 item = string_list_insert(expect, strbuf_detach(&label, NULL));
62 die("malformed --expect option, duplicate %s", label.buf);
63 item->util = (void *)arg;
67 __attribute__((format (printf,3,4)))
68 static void show(struct string_list *expect, int *status, const char *fmt, ...)
70 struct string_list_item *item;
71 struct strbuf buf = STRBUF_INIT;
75 strbuf_vaddf(&buf, fmt, args);
79 printf("%s\n", buf.buf);
81 char *colon = strchr(buf.buf, ':');
83 die("malformed output format, output lacking colon: %s", fmt);
85 item = string_list_lookup(expect, buf.buf);
88 ; /* not among entries being checked */
90 if (strcmp((const char *)item->util, buf.buf)) {
91 printf("-%s\n", (char *)item->util);
92 printf("+%s\n", buf.buf);
100 int cmd__parse_options(int argc, const char **argv)
102 const char *prefix = "prefix/";
103 const char *usage[] = {
104 "test-tool parse-options <options>",
106 "A helper function for the parse-options API.",
109 struct string_list expect = STRING_LIST_INIT_NODUP;
110 struct option options[] = {
111 OPT_BOOL(0, "yes", &boolean, "get a boolean"),
112 OPT_BOOL('D', "no-doubt", &boolean, "begins with 'no-'"),
113 { OPTION_SET_INT, 'B', "no-fear", &boolean, NULL,
114 "be brave", PARSE_OPT_NOARG | PARSE_OPT_NONEG, NULL, 1 },
115 OPT_COUNTUP('b', "boolean", &boolean, "increment by one"),
116 OPT_BIT('4', "or4", &boolean,
117 "bitwise-or boolean with ...0100", 4),
118 OPT_NEGBIT(0, "neg-or4", &boolean, "same as --no-or4", 4),
120 OPT_INTEGER('i', "integer", &integer, "get a integer"),
121 OPT_INTEGER('j', NULL, &integer, "get a integer, too"),
122 OPT_MAGNITUDE('m', "magnitude", &magnitude, "get a magnitude"),
123 OPT_SET_INT(0, "set23", &integer, "set integer to 23", 23),
124 OPT_CALLBACK('L', "length", &integer, "str",
125 "get length of <str>", length_callback),
126 OPT_FILENAME('F', "file", &file, "set file to <file>"),
127 OPT_GROUP("String options"),
128 OPT_STRING('s', "string", &string, "string", "get a string"),
129 OPT_STRING(0, "string2", &string, "str", "get another string"),
130 OPT_STRING(0, "st", &string, "st", "get another string (pervert ordering)"),
131 OPT_STRING('o', NULL, &string, "str", "get another string"),
132 OPT_NOOP_NOARG(0, "obsolete"),
133 OPT_STRING_LIST(0, "list", &list, "str", "add str to list"),
134 OPT_GROUP("Magic arguments"),
135 OPT_ARGUMENT("quux", NULL, "means --quux"),
136 OPT_NUMBER_CALLBACK(&integer, "set integer to NUM",
138 { OPTION_COUNTUP, '+', NULL, &boolean, NULL, "same as -b",
139 PARSE_OPT_NOARG | PARSE_OPT_NONEG | PARSE_OPT_NODASH },
140 { OPTION_COUNTUP, 0, "ambiguous", &ambiguous, NULL,
141 "positive ambiguity", PARSE_OPT_NOARG | PARSE_OPT_NONEG },
142 { OPTION_COUNTUP, 0, "no-ambiguous", &ambiguous, NULL,
143 "negative ambiguity", PARSE_OPT_NOARG | PARSE_OPT_NONEG },
144 OPT_GROUP("Standard options"),
145 OPT__ABBREV(&abbrev),
146 OPT__VERBOSE(&verbose, "be verbose"),
147 OPT__DRY_RUN(&dry_run, "dry run"),
148 OPT__QUIET(&quiet, "be quiet"),
149 OPT_CALLBACK(0, "expect", &expect, "string",
150 "expected output in the variable dump",
153 OPT_STRING('A', "alias-source", &string, "string", "get a string"),
154 OPT_ALIAS('Z', "alias-target", "alias-source"),
160 trace2_cmd_name("_parse_");
162 argc = parse_options(argc, (const char **)argv, prefix, options, usage, 0);
164 if (length_cb.called) {
165 const char *arg = length_cb.arg;
166 int unset = length_cb.unset;
167 show(&expect, &ret, "Callback: \"%s\", %d",
168 (arg ? arg : "not set"), unset);
170 show(&expect, &ret, "boolean: %d", boolean);
171 show(&expect, &ret, "integer: %d", integer);
172 show(&expect, &ret, "magnitude: %lu", magnitude);
173 show(&expect, &ret, "timestamp: %"PRItime, timestamp);
174 show(&expect, &ret, "string: %s", string ? string : "(not set)");
175 show(&expect, &ret, "abbrev: %d", abbrev);
176 show(&expect, &ret, "verbose: %d", verbose);
177 show(&expect, &ret, "quiet: %d", quiet);
178 show(&expect, &ret, "dry run: %s", dry_run ? "yes" : "no");
179 show(&expect, &ret, "file: %s", file ? file : "(not set)");
181 for (i = 0; i < list.nr; i++)
182 show(&expect, &ret, "list: %s", list.items[i].string);
184 for (i = 0; i < argc; i++)
185 show(&expect, &ret, "arg %02d: %s", i, argv[i]);