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#include "cache.h"
#include "parse-options.h"
#include "string-list.h"
static int boolean = 0;
static int integer = 0;
static unsigned long magnitude = 0;
static unsigned long timestamp;
static int abbrev = 7;
static int verbose = -1; /* unspecified */
static int dry_run = 0, quiet = 0;
static char *string = NULL;
static char *file = NULL;
static int ambiguous;
static struct string_list list = STRING_LIST_INIT_NODUP;
static struct {
int called;
const char *arg;
int unset;
} length_cb;
static int length_callback(const struct option *opt, const char *arg, int unset)
{
length_cb.called = 1;
length_cb.arg = arg;
length_cb.unset = unset;
if (unset)
return 1; /* do not support unset */
*(int *)opt->value = strlen(arg);
return 0;
}
static int number_callback(const struct option *opt, const char *arg, int unset)
{
*(int *)opt->value = strtol(arg, NULL, 10);
return 0;
}
static int collect_expect(const struct option *opt, const char *arg, int unset)
{
struct string_list *expect;
struct string_list_item *item;
struct strbuf label = STRBUF_INIT;
const char *colon;
if (!arg || unset)
die("malformed --expect option");
expect = (struct string_list *)opt->value;
colon = strchr(arg, ':');
if (!colon)
die("malformed --expect option, lacking a colon");
strbuf_add(&label, arg, colon - arg);
item = string_list_insert(expect, strbuf_detach(&label, NULL));
if (item->util)
die("malformed --expect option, duplicate %s", label.buf);
item->util = (void *)arg;
return 0;
}
__attribute__((format (printf,3,4)))
static void show(struct string_list *expect, int *status, const char *fmt, ...)
{
struct string_list_item *item;
struct strbuf buf = STRBUF_INIT;
va_list args;
va_start(args, fmt);
strbuf_vaddf(&buf, fmt, args);
va_end(args);
if (!expect->nr)
printf("%s\n", buf.buf);
else {
char *colon = strchr(buf.buf, ':');
if (!colon)
die("malformed output format, output lacking colon: %s", fmt);
*colon = '\0';
item = string_list_lookup(expect, buf.buf);
*colon = ':';
if (!item)
; /* not among entries being checked */
else {
if (strcmp((const char *)item->util, buf.buf)) {
printf("-%s\n", (char *)item->util);
printf("+%s\n", buf.buf);
*status = 1;
}
}
}
strbuf_release(&buf);
}
int main(int argc, char **argv)
{
const char *prefix = "prefix/";
const char *usage[] = {
"test-parse-options <options>",
NULL
};
struct string_list expect = STRING_LIST_INIT_NODUP;
struct option options[] = {
OPT_BOOL(0, "yes", &boolean, "get a boolean"),
OPT_BOOL('D', "no-doubt", &boolean, "begins with 'no-'"),
{ OPTION_SET_INT, 'B', "no-fear", &boolean, NULL,
"be brave", PARSE_OPT_NOARG | PARSE_OPT_NONEG, NULL, 1 },
OPT_COUNTUP('b', "boolean", &boolean, "increment by one"),
OPT_BIT('4', "or4", &boolean,
"bitwise-or boolean with ...0100", 4),
OPT_NEGBIT(0, "neg-or4", &boolean, "same as --no-or4", 4),
OPT_GROUP(""),
OPT_INTEGER('i', "integer", &integer, "get a integer"),
OPT_INTEGER('j', NULL, &integer, "get a integer, too"),
OPT_MAGNITUDE('m', "magnitude", &magnitude, "get a magnitude"),
OPT_SET_INT(0, "set23", &integer, "set integer to 23", 23),
OPT_DATE('t', NULL, ×tamp, "get timestamp of <time>"),
OPT_CALLBACK('L', "length", &integer, "str",
"get length of <str>", length_callback),
OPT_FILENAME('F', "file", &file, "set file to <file>"),
OPT_GROUP("String options"),
OPT_STRING('s', "string", &string, "string", "get a string"),
OPT_STRING(0, "string2", &string, "str", "get another string"),
OPT_STRING(0, "st", &string, "st", "get another string (pervert ordering)"),
OPT_STRING('o', NULL, &string, "str", "get another string"),
OPT_NOOP_NOARG(0, "obsolete"),
OPT_STRING_LIST(0, "list", &list, "str", "add str to list"),
OPT_GROUP("Magic arguments"),
OPT_ARGUMENT("quux", "means --quux"),
OPT_NUMBER_CALLBACK(&integer, "set integer to NUM",
number_callback),
{ OPTION_COUNTUP, '+', NULL, &boolean, NULL, "same as -b",
PARSE_OPT_NOARG | PARSE_OPT_NONEG | PARSE_OPT_NODASH },
{ OPTION_COUNTUP, 0, "ambiguous", &ambiguous, NULL,
"positive ambiguity", PARSE_OPT_NOARG | PARSE_OPT_NONEG },
{ OPTION_COUNTUP, 0, "no-ambiguous", &ambiguous, NULL,
"negative ambiguity", PARSE_OPT_NOARG | PARSE_OPT_NONEG },
OPT_GROUP("Standard options"),
OPT__ABBREV(&abbrev),
OPT__VERBOSE(&verbose, "be verbose"),
OPT__DRY_RUN(&dry_run, "dry run"),
OPT__QUIET(&quiet, "be quiet"),
OPT_CALLBACK(0, "expect", &expect, "string",
"expected output in the variable dump",
collect_expect),
OPT_END(),
};
int i;
int ret = 0;
argc = parse_options(argc, (const char **)argv, prefix, options, usage, 0);
if (length_cb.called) {
const char *arg = length_cb.arg;
int unset = length_cb.unset;
show(&expect, &ret, "Callback: \"%s\", %d",
(arg ? arg : "not set"), unset);
}
show(&expect, &ret, "boolean: %d", boolean);
show(&expect, &ret, "integer: %d", integer);
show(&expect, &ret, "magnitude: %lu", magnitude);
show(&expect, &ret, "timestamp: %lu", timestamp);
show(&expect, &ret, "string: %s", string ? string : "(not set)");
show(&expect, &ret, "abbrev: %d", abbrev);
show(&expect, &ret, "verbose: %d", verbose);
show(&expect, &ret, "quiet: %d", quiet);
show(&expect, &ret, "dry run: %s", dry_run ? "yes" : "no");
show(&expect, &ret, "file: %s", file ? file : "(not set)");
for (i = 0; i < list.nr; i++)
show(&expect, &ret, "list: %s", list.items[i].string);
for (i = 0; i < argc; i++)
show(&expect, &ret, "arg %02d: %s", i, argv[i]);
return ret;
}
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