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/* Copyright 2011 Bert Muennich
*
* This file is part of sxiv.
*
* sxiv 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 of the License,
* or (at your option) any later version.
*
* sxiv 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 sxiv. If not, see <http://www.gnu.org/licenses/>.
*/
#include <stdlib.h>
#include <string.h>
#include <stdio.h>
#include <unistd.h>
#include "options.h"
#include "util.h"
#define _IMAGE_CONFIG
#include "config.h"
options_t _options;
const options_t *options = (const options_t*) &_options;
void print_usage(void)
{
printf("usage: sxiv [-abcfhioqrtvZ] [-G GAMMA] [-g GEOMETRY] [-n NUM] "
"[-N NAME] [-S DELAY] [-s MODE] [-z ZOOM] FILES...\n");
}
void print_version(void)
{
printf("sxiv %s - Simple X Image Viewer\n", VERSION);
}
void parse_options(int argc, char **argv)
{
int n, opt;
char *end, *s;
const char *scalemodes = "dfwh";
_options.from_stdin = false;
_options.to_stdout = false;
_options.recursive = false;
_options.startnum = 0;
_options.scalemode = SCALE_DOWN;
_options.zoom = 1.0;
_options.animate = false;
_options.gamma = 0;
_options.slideshow = 0;
_options.fullscreen = false;
_options.hide_bar = false;
_options.geometry = NULL;
_options.res_name = NULL;
_options.quiet = false;
_options.thumb_mode = false;
_options.clean_cache = false;
while ((opt = getopt(argc, argv, "abcfG:g:hin:N:oqrS:s:tvZz:")) != -1) {
switch (opt) {
case '?':
print_usage();
exit(EXIT_FAILURE);
case 'a':
_options.animate = true;
break;
case 'b':
_options.hide_bar = true;
break;
case 'c':
_options.clean_cache = true;
break;
case 'f':
_options.fullscreen = true;
break;
case 'G':
n = strtol(optarg, &end, 0);
if (*end != '\0') {
fprintf(stderr, "sxiv: invalid argument for option -G: %s\n", optarg);
exit(EXIT_FAILURE);
}
_options.gamma = n;
break;
case 'g':
_options.geometry = optarg;
break;
case 'h':
print_usage();
exit(EXIT_SUCCESS);
case 'i':
_options.from_stdin = true;
break;
case 'n':
n = strtol(optarg, &end, 0);
if (*end != '\0' || n <= 0) {
fprintf(stderr, "sxiv: invalid argument for option -n: %s\n", optarg);
exit(EXIT_FAILURE);
}
_options.startnum = n - 1;
break;
case 'N':
_options.res_name = optarg;
break;
case 'o':
_options.to_stdout = true;
break;
case 'q':
_options.quiet = true;
break;
case 'r':
_options.recursive = true;
break;
case 'S':
n = strtol(optarg, &end, 0);
if (*end != '\0' || n <= 0) {
fprintf(stderr, "sxiv: invalid argument for option -S: %s\n", optarg);
exit(EXIT_FAILURE);
}
_options.slideshow = n;
break;
case 's':
s = strchr(scalemodes, optarg[0]);
if (s == NULL || *s == '\0' || strlen(optarg) != 1) {
fprintf(stderr, "sxiv: invalid argument for option -s: %s\n", optarg);
exit(EXIT_FAILURE);
}
_options.scalemode = s - scalemodes;
break;
case 't':
_options.thumb_mode = true;
break;
case 'v':
print_version();
exit(EXIT_SUCCESS);
case 'Z':
_options.scalemode = SCALE_ZOOM;
_options.zoom = 1.0;
break;
case 'z':
n = strtol(optarg, &end, 0);
if (*end != '\0' || n <= 0) {
fprintf(stderr, "sxiv: invalid argument for option -z: %s\n", optarg);
exit(EXIT_FAILURE);
}
_options.scalemode = SCALE_ZOOM;
_options.zoom = (float) n / 100.0;
break;
}
}
_options.filenames = argv + optind;
_options.filecnt = argc - optind;
if (_options.filecnt == 1 && STREQ(_options.filenames[0], "-")) {
_options.filenames++;
_options.filecnt--;
_options.from_stdin = true;
}
}
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