Archived
1
1
Fork 0
This repository has been archived on 2024-03-16. You can view files and clone it, but cannot push or open issues or pull requests.
libcasio/src/g1a-wrapper/args.c

252 lines
6.2 KiB
C

/* *****************************************************************************
* g1a-wrapper/args.c -- g1a-wrapper command-line argument parsing.
* Copyright (C) 2017 Thomas "Cakeisalie5" Touhey <thomas@touhey.fr>
*
* This file is part of p7utils.
* p7utils 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 2.0 of the License,
* or (at your option) any later version.
*
* p7utils 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 p7utils; if not, see <http://www.gnu.org/licenses/>.
* ************************************************************************** */
#include "main.h"
#include <getopt.h>
#include <errno.h>
#include <string.h>
#include <stdlib.h>
#include <ctype.h>
/* ---
* Help and version messages.
* --- */
/* Version message. */
static const char version_message[] =
BIN " - from " NAME " v" VERSION
" (licensed under GPLv2)\n"
"Maintained by " MAINTAINER ".\n"
"\n"
"This is free software; see the source for copying conditions.\n"
"There is NO warranty; not even for MERCHANTABILITY or\n"
"FITNESS FOR A PARTICULAR PURPOSE.";
/* Main help message. */
static const char help_message[] =
"Usage: " BIN " [-v] [--help|-h] <addin.bin>\n"
" [-o <output>] [-i <icon>] [-n <name>]\n"
" [--version <MM.mm.pppp>] [--internal <@ADDIN>]\n"
" [--date <yyyy.MMdd.hhmm]\n"
"\n"
"General options:\n"
" -h, --help Display the help page of the (sub)command and quit.\n"
" -v, --ver Display the version message and quit.\n"
" -o <output> Output file name, default is 'addin.g1a'.\n"
" -i <icon file> The application icon, must be 30x19.\n"
" Default is blank.\n"
" -n <name> The application name. '[A-Z]{,8}' formatted.\n"
" Default name is the truncated output filename.\n"
" --version <ver> The application version, 'MM.mm.pppp' formatted.\n"
" Default is '00.00.0000'.\n"
" --internal <int> The application internal name. '@[A-Z]{,7}' formatted.\n"
" Default is '@ADDIN'.\n"
" --date <date> The application build date. 'yyyy.MMdd.hhmm' formatted.\n"
" Default is the current time.\n"
"\n"
"Report bugs to " MAINTAINER ".";
/* ---
* Main argument parsing function.
* --- */
/**
* parse_args:
* Args parsing main function.
*
* Was my very first experiment with getopt.
* Then I took an arrow in the knee.
*
* @arg ac the arguments count
* @arg av the arguments values
* @arg args the parsed args pointer
* @return if it was successfully parsed
*/
int parse_args(int ac, char **av, args_t *args)
{
static char name[9];
const char *s_ver = NULL, *s_date = NULL, *p, *e;
int i, c, pc, help = 0;
char **pv;
const char *short_opts = "hvo:i:n:";
struct option long_opts[] = {
{"help", no_argument, NULL, 'h'},
{"version", required_argument, NULL, 'V'},
{"internal", required_argument, NULL, 'I'},
{"date", required_argument, NULL, 'D'},
{NULL, 0, NULL, 0},
};
/* Initialize the arguments. */
args->outfile = "addin.g1a";
args->iconfile = NULL;
args->name = name;
args->intname = "@ADDIN";
args->version.casio_version_major = 0;
args->version.casio_version_minor = 0;
args->version.casio_version_zone = casio_version_zone_none;
args->version.casio_version_math = casio_version_math_all;
args->version.casio_version_status = casio_version_status_standard;
args->version.casio_version_platform = casio_version_platform_special;
args->date = time(NULL);
/* get all options */
opterr = 0;
while ((c = getopt_long(ac, av, short_opts, long_opts, NULL)) != -1)
switch (c) {
/* Help and version flags. */
case 'h':
help = 1;
break;
case 'v':
puts(version_message);
return (1);
/* General options. */
case 'o':
args->outfile = optarg;
break;
case 'i':
args->iconfile = optarg;
break;
/* Build options. */
case 'n':
args->name = optarg;
break;
case 'V':
s_ver = optarg;
break;
case 'I':
args->intname = optarg;
break;
case 'D':
s_date = optarg;
break;
/* in case of error */
case '?':
switch (optopt) {
case 'o':
err("-o: expected an argument");
return (1);
case 'i':
err("-i: expected an argument");
return (1);
case 'n':
err("-n: expected an argument");
return (1);
case 'V':
err("--version: expected an argument");
return (1);
case 'I':
err("--internal: expected an argument");
return (1);
case 'D':
err("--date: expected an argument");
return (1);
default:
break;
}
break;
}
/* Get parameters. */
pc = ac - optind;
pv = &av[optind];
if (pc != 1)
help = 1;
args->infile = pv[0];
/* Put the help message. */
if (help) {
puts(help_message);
return (1);
}
/* Get the name.
* TODO: manage MS-Windows like paths. */
p = strrchr(pv[0], '/');
if (!p)
p = pv[0];
e = strrchr(p, '.');
name[0] = 0;
for (int i = 0; p < e && i < 8; p++) {
if (isupper(*p)) {
name[i++] = *p;
name[i] = 0;
}
}
if (!name[0])
strcpy(name, "ADDIN");
/* Check the internal name. */
if (args->intname[0] != '@') {
err("internal name should start with an '@'");
return (1);
} for (i = 1; args->intname[i]; i++) {
if (i >= 8) {
err("internal name should be up to 8 characters only!");
return (1);
}
if (!isupper(args->intname[i])) {
err("internal name should be an '@' then up to seven uppercase "
"letters!");
return (1);
}
}
/* Get the version. */
if (s_ver) {
if (casio_check_version(s_ver)) {
err("version string '%s' does not have "
"expected format 'MM.mm.ffff'", s_ver);
return (1);
}
casio_decode_version(&args->version, s_ver);
}
/* Get the date. */
if (s_date) {
if (casio_decode_date(&args->date, s_date)) {
err("date string '%s' does not have "
"expected format 'yyyy.MMdd.hhmm'", s_date);
return (1);
}
}
return (0);
}