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#include <stdio.h>
#include <cargs.h>
#include <common.h>
#include "options.h"
static struct cag_option opts[] = {
{
.identifier = 's',
.access_letters = "s",
.access_name = "script",
.value_name = "SCRIPT_FILE",
.description = "The filename of the main script. (default: main.lua)"
},
{
.identifier = 'e',
.access_letters = NULL,
.access_name = "version",
.value_name = NULL,
.description = "Show the honey version"
},
{
.identifier = 'h',
.access_letters = "h",
.access_name = "help",
.value_name = NULL,
.description = "Shows this help message"
},
};
void print_help(char *program_name)
{
printf("usage: %s [OPTIONS]\n", program_name);
cag_option_print(opts, CAG_ARRAY_SIZE(opts), stdout);
}
enum outcomes_t parse_options(struct honey_options *options, int argc, char **argv)
{
/* default values */
options->script_file = "main.lua";
/* parse options */
char id;
const char *value;
cag_option_context context;
cag_option_prepare(&context, opts, CAG_ARRAY_SIZE(opts), argc, argv);
while(cag_option_fetch(&context)) {
id = cag_option_get(&context);
switch(id) {
case 's':
options->script_file = cag_option_get_value(&context);
break;
case 'h':
print_help(argv[0]);
return EXIT_SUCCESS;
case 'e':
printf(
"honey v%d.%d.%d -- %s\n",
HONEY_VERSION_MAJOR,
HONEY_VERSION_MINOR,
HONEY_VERSION_PATCH,
HONEY_VERSION_STR
);
return EXIT_SUCCESS;
default:
return EXIT_FAILURE;
}
}
return CONTINUE_SUCCESS;
}
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