101 lines
1.6 KiB
C
101 lines
1.6 KiB
C
|
#include <stdio.h>
|
||
|
|
#include <stddef.h>
|
||
|
|
#include <stdlib.h>
|
||
|
|
|
||
|
|
#include "../xopt.h"
|
||
|
|
|
||
|
|
typedef struct {
|
||
|
|
int someInt;
|
||
|
|
float someFloat;
|
||
|
|
double someDouble;
|
||
|
|
bool help;
|
||
|
|
} SimpleConfig;
|
||
|
|
|
||
|
|
xoptOption options[] = {
|
||
|
|
{
|
||
|
|
"some-int",
|
||
|
|
'i',
|
||
|
|
offsetof(SimpleConfig, someInt),
|
||
|
|
0,
|
||
|
|
XOPT_TYPE_INT,
|
||
|
|
"n",
|
||
|
|
"Some integer value. Can set to whatever number you like."
|
||
|
|
},
|
||
|
|
{
|
||
|
|
0,
|
||
|
|
'f',
|
||
|
|
offsetof(SimpleConfig, someFloat),
|
||
|
|
0,
|
||
|
|
XOPT_TYPE_FLOAT,
|
||
|
|
"n",
|
||
|
|
"Some float value."
|
||
|
|
},
|
||
|
|
{
|
||
|
|
"some-double",
|
||
|
|
0,
|
||
|
|
offsetof(SimpleConfig, someDouble),
|
||
|
|
0,
|
||
|
|
XOPT_TYPE_DOUBLE,
|
||
|
|
"n",
|
||
|
|
"Some double value."
|
||
|
|
},
|
||
|
|
{
|
||
|
|
"help",
|
||
|
|
'?',
|
||
|
|
offsetof(SimpleConfig, help),
|
||
|
|
0,
|
||
|
|
XOPT_TYPE_BOOL,
|
||
|
|
0,
|
||
|
|
"Shows this help message"
|
||
|
|
},
|
||
|
|
XOPT_NULLOPTION
|
||
|
|
};
|
||
|
|
|
||
|
|
int main(int argc, const char **argv) {
|
||
|
|
int exit_code = 1;
|
||
|
|
const char *err = NULL;
|
||
|
|
SimpleConfig config;
|
||
|
|
const char **extras = NULL;
|
||
|
|
int extraCount = 0;
|
||
|
|
|
||
|
|
/* show arguments */
|
||
|
|
fputs("args:", stderr);
|
||
|
|
for (int i = 1; i < argc; i++) {
|
||
|
|
fprintf(stderr, " «%s»", argv[i]);
|
||
|
|
}
|
||
|
|
fputs("\n\n", stderr);
|
||
|
|
|
||
|
|
/* setup defaults */
|
||
|
|
config.someInt = 0;
|
||
|
|
config.someDouble = 0.0;
|
||
|
|
config.help = 0;
|
||
|
|
|
||
|
|
XOPT_SIMPLE_PARSE(
|
||
|
|
"autohelp-test-case",
|
||
|
|
0,
|
||
|
|
&options[0], &config,
|
||
|
|
argc, argv,
|
||
|
|
&extraCount, &extras,
|
||
|
|
&err,
|
||
|
|
stderr,
|
||
|
|
"[opts...] [--] [extras...]",
|
||
|
|
"Tests the simple parser macro",
|
||
|
|
"[end of arguments]",
|
||
|
|
15);
|
||
|
|
|
||
|
|
if (!err) {
|
||
|
|
err = config.help
|
||
|
|
? "--help was passed but autohelp didn't fire"
|
||
|
|
: "--help was not passed - it is required for this test case";
|
||
|
|
}
|
||
|
|
|
||
|
|
fprintf(stderr, "Error: %s\n", err);
|
||
|
|
|
||
|
|
exit:
|
||
|
|
free(extras); /* DO NOT free individual strings */
|
||
|
|
return exit_code;
|
||
|
|
xopt_help:
|
||
|
|
exit_code = 0;
|
||
|
|
goto exit;
|
||
|
|
}
|