sunxi-tools/fexc.c
2012-05-11 09:08:19 +02:00

156 lines
3.4 KiB
C

/*
* Copyright (C) 2012 Alejandro Mery <amery@geeks.cl>
*
* 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 "fexc.h"
#include <libgen.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
/*
*/
static struct script *script_new(void)
{
return NULL;
}
static void script_delete(struct script *UNUSED(script))
{
}
static int script_parse(int UNUSED(mode), const char *UNUSED(filename),
struct script *UNUSED(script))
{
return 0;
}
static int script_generate(int UNUSED(mode), const char *UNUSED(filename),
struct script *UNUSED(script))
{
return 0;
}
/*
*/
static inline void app_usage(const char *arg0, int mode)
{
errf("Usage: %s [-vq]%s[<input> [<output>]]\n", arg0,
mode ? " " : " [-I <infmt>] [-O <outfmt>] ");
if (mode == 0)
fputs("\ninfmt: fex, bin (default:fex)"
"\noutfmt: fex, bin (default:bin)\n",
stderr);
}
static inline int app_choose_mode(char *arg0)
{
const char *name = basename(arg0);
if (strcmp(name, "fex2bin") == 0)
return 1;
else if (strcmp(name, "bin2fex") == 0)
return 2;
else
return 0;
}
/*
*/
int main(int argc, char *argv[])
{
static const char *formats[] = { "fex", "bin", NULL };
int infmt=0, outfmt=1;
const char *filename[] = { "stdin", "stdout" };
struct script *script;
int app_mode = app_choose_mode(argv[0]);
const char *opt_string = "I:O:vq?"+ ((app_mode == 0)? 0: 4);
int opt, ret = 1;
int verbose = 0;
if (app_mode == 2) /* bin2fex */
infmt = 1, outfmt = 0;
while ((opt = getopt(argc, argv, opt_string)) != -1) {
switch (opt) {
case 'I':
infmt=0;
for (const char **f = formats; *f; f++, infmt++) {
if (strcmp(*f, optarg) == 0)
break;
}
if (!formats[infmt]) {
errf("%s: invalid format -- \"%s\"\n",
argv[0], optarg);
goto show_usage;
}
break;
case 'O':
outfmt=0;
for (const char **f = formats; *f; f++, outfmt++) {
if (strcmp(*f, optarg) == 0)
break;
}
if (!formats[outfmt]) {
errf("%s: invalid format -- \"%s\"\n",
argv[0], optarg);
goto show_usage;
}
break;
case 'v':
verbose++;
break;
case 'q':
verbose--;
break;
default:
show_usage:
app_usage(argv[0], app_mode);
goto done;
}
}
switch (argc - optind) {
case 2:
filename[1] = argv[optind+1]; /* out */
case 1:
if (strcmp(argv[optind], "-") != 0)
filename[0] = argv[optind]; /* in */
case 0:
break;
default:
goto show_usage;
}
if (verbose>0)
errf("%s: %s:%s -> %s:%s\n", argv[0],
formats[infmt], filename[0],
formats[outfmt], filename[1]);
if ((script = script_new()) == NULL) {
perror("malloc");
goto done;
} else if (script_parse(infmt, filename[0], script) &&
script_generate(outfmt, filename[1], script)) {
ret = 0;
}
script_delete(script);
done:
return ret;
}