blob: c360295c26a241d9a46e5bb6c27347b8475aba47 [file] [log] [blame]
/* liblouis Braille Translation and Back-Translation Library
Copyright (C) 2017 Bert Frees
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <config.h>
#include <stdlib.h>
#include "liblouis.h"
#include <getopt.h>
#include "progname.h"
#include "version-etc.h"
static const struct option longopts[] = {
{ "help", no_argument, NULL, 'h' },
{ "version", no_argument, NULL, 'v' },
{ NULL, 0, NULL, 0 },
};
const char version_etc_copyright[] = "Copyright %s %d Bert Frees";
#define AUTHORS "Bert Frees"
static void
print_help(void) {
printf("\
Usage: %s [KEY] TABLE\n",
program_name);
fputs("\
Print all table metadata defined in TABLE, or a specific metadata field\n\
if KEY is specified. Return 0 if the requested metadata could be found,\n\
1 otherwise.\n\n",
stdout);
fputs("\
-h, --help display this help and exit\n\
-v, --version display version information and exi\n",
stdout);
printf("\n");
printf("Report bugs to %s.\n", PACKAGE_BUGREPORT);
#ifdef PACKAGE_PACKAGER_BUG_REPORTS
printf("Report %s bugs to: %s\n", PACKAGE_PACKAGER, PACKAGE_PACKAGER_BUG_REPORTS);
#endif
#ifdef PACKAGE_URL
printf("%s home page: <%s>\n", PACKAGE_NAME, PACKAGE_URL);
#endif
}
int
main(int argc, char **argv) {
int optc;
set_program_name(argv[0]);
while ((optc = getopt_long(argc, argv, "hv", longopts, NULL)) != -1) switch (optc) {
/* --help and --version exit immediately, per GNU coding standards. */
case 'v':
version_etc(
stdout, program_name, PACKAGE_NAME, VERSION, AUTHORS, (char *)NULL);
exit(EXIT_SUCCESS);
break;
case 'h':
print_help();
exit(EXIT_SUCCESS);
break;
default:
fprintf(stderr, "Try `%s --help' for more information.\n", program_name);
exit(EXIT_FAILURE);
break;
}
if (optind > argc - 1) {
fprintf(stderr, "%s: no table specified\n", program_name);
fprintf(stderr, "Try `%s --help' for more information.\n", program_name);
exit(EXIT_FAILURE);
} else if (optind == argc - 1) {
// const char *table = argv[optind];
fprintf(stderr, "Not supported yet\n");
exit(EXIT_FAILURE);
} else if (optind == argc - 2) {
const char *key = argv[optind];
const char *table = argv[optind + 1];
const char *value = lou_getTableInfo(table, key);
if (value != NULL) {
printf("%s\n", value);
exit(EXIT_SUCCESS);
} else {
fprintf(stderr, "%s: no such field in %s\n", key, table);
exit(EXIT_FAILURE);
}
} else {
fprintf(stderr, "%s: extra operand: %s\n", program_name, argv[optind + 1]);
fprintf(stderr, "Try `%s --help' for more information.\n", program_name);
exit(EXIT_FAILURE);
}
}