199 lines
5 KiB
C
199 lines
5 KiB
C
/* Copyright 2011-2020 Bert Muennich
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* Copyright 2021-2022 nsxiv contributors
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*
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* This file is a part of nsxiv.
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*
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* nsxiv is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published
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* by the Free Software Foundation; either version 2 of the License,
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* or (at your option) any later version.
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*
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* nsxiv is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with nsxiv. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "nsxiv.h"
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#define _TITLE_CONFIG
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#include "config.h"
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#include "version.h"
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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const opt_t *options;
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void print_usage(void)
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{
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printf("usage: nsxiv [-abcfhiopqrtvZ0] [-A FRAMERATE] [-e WID] [-G GAMMA] "
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"[-g GEOMETRY] [-N NAME] [-T TITLE] [-n NUM] [-S DELAY] [-s MODE] "
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"[-z ZOOM] FILES...\n");
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}
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static void print_version(void)
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{
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puts("nsxiv " VERSION);
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}
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void parse_options(int argc, char **argv)
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{
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int n, opt;
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char *end, *s;
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const char *scalemodes = "dfFwh";
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static opt_t _options;
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options = &_options;
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progname = strrchr(argv[0], '/');
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progname = progname ? progname + 1 : argv[0];
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_options.from_stdin = false;
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_options.to_stdout = false;
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_options.using_null = false;
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_options.recursive = false;
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_options.startnum = 0;
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_options.scalemode = SCALE_DOWN;
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_options.zoom = 1.0;
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_options.animate = false;
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_options.gamma = 0;
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_options.slideshow = 0;
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_options.framerate = 0;
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_options.fullscreen = false;
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_options.embed = 0;
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_options.hide_bar = false;
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_options.geometry = NULL;
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_options.res_name = NULL;
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_options.title_prefix = TITLE_PREFIX;
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_options.title_suffixmode = TITLE_SUFFIXMODE;
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_options.quiet = false;
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_options.thumb_mode = false;
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_options.clean_cache = false;
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_options.private_mode = false;
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while ((opt = getopt(argc, argv, "A:abce:fG:g:hin:N:opqrS:s:T:tvZz:0")) != -1) {
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switch (opt) {
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case '?':
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print_usage();
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exit(EXIT_FAILURE);
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case 'A':
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n = strtol(optarg, &end, 0);
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if (*end != '\0' || n <= 0)
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error(EXIT_FAILURE, 0, "Invalid argument for option -A: %s", optarg);
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_options.framerate = n;
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/* fall through */
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case 'a':
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_options.animate = true;
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break;
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case 'b':
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_options.hide_bar = true;
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break;
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case 'c':
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_options.clean_cache = true;
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break;
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case 'e':
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n = strtol(optarg, &end, 0);
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if (*end != '\0')
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error(EXIT_FAILURE, 0, "Invalid argument for option -e: %s", optarg);
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_options.embed = n;
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break;
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case 'f':
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_options.fullscreen = true;
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break;
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case 'G':
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n = strtol(optarg, &end, 0);
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if (*end != '\0')
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error(EXIT_FAILURE, 0, "Invalid argument for option -G: %s", optarg);
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_options.gamma = n;
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break;
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case 'g':
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_options.geometry = optarg;
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break;
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case 'h':
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print_usage();
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exit(EXIT_SUCCESS);
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case 'i':
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_options.from_stdin = true;
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break;
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case 'n':
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n = strtol(optarg, &end, 0);
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if (*end != '\0' || n <= 0)
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error(EXIT_FAILURE, 0, "Invalid argument for option -n: %s", optarg);
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_options.startnum = n - 1;
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break;
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case 'N':
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_options.res_name = optarg;
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break;
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case 'o':
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_options.to_stdout = true;
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break;
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case 'p':
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_options.private_mode = true;
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break;
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case 'q':
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_options.quiet = true;
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break;
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case 'r':
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_options.recursive = true;
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break;
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case 'S':
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n = strtof(optarg, &end) * 10;
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if (*end != '\0' || n <= 0)
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error(EXIT_FAILURE, 0, "Invalid argument for option -S: %s", optarg);
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_options.slideshow = n;
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break;
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case 's':
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s = strchr(scalemodes, optarg[0]);
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if (s == NULL || *s == '\0' || strlen(optarg) != 1)
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error(EXIT_FAILURE, 0, "Invalid argument for option -s: %s", optarg);
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_options.scalemode = s - scalemodes;
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break;
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case 'T':
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if ((s = strrchr(optarg, ':')) != NULL) {
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*s = '\0';
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n = strtol(++s, &end, 0);
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if (*end != '\0' || n < SUFFIX_EMPTY || n > SUFFIX_FULLPATH)
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error(EXIT_FAILURE, 0, "Invalid argument for option -T suffixmode: %s", s);
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_options.title_suffixmode = n;
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}
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_options.title_prefix = optarg;
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break;
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case 't':
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_options.thumb_mode = true;
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break;
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case 'v':
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print_version();
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exit(EXIT_SUCCESS);
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case 'Z':
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_options.scalemode = SCALE_ZOOM;
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_options.zoom = 1.0;
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break;
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case 'z':
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n = strtol(optarg, &end, 0);
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if (*end != '\0' || n <= 0)
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error(EXIT_FAILURE, 0, "Invalid argument for option -z: %s", optarg);
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_options.scalemode = SCALE_ZOOM;
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_options.zoom = (float) n / 100.0;
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break;
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case '0':
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_options.using_null = true;
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break;
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}
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}
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_options.filenames = argv + optind;
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_options.filecnt = argc - optind;
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if (_options.filecnt == 1 && STREQ(_options.filenames[0], "-")) {
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_options.filenames++;
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_options.filecnt--;
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_options.from_stdin = true;
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}
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}
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