new directory structure

1 files changed, 200 insertions, 0 deletions

diff --git a/utils/nsxiv/options.c b/utils/nsxiv/options.c
new file mode 100644
index 0000000..96cf092
--- /dev/null
+++ b/utils/nsxiv/options.c
@@ -0,0 +1,200 @@
+/* Copyright 2011-2020 Bert Muennich
+ * Copyright 2021-2022 nsxiv contributors
+ *
+ * This file is a part of nsxiv.
+ *
+ * nsxiv 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.
+ *
+ * nsxiv 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 nsxiv.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "nsxiv.h"
+#include "version.h"
+
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+
+const opt_t *options;
+
+void print_usage(void)
+{
+	printf("usage: nsxiv [-abcfhiopqrtvZ0] [-A FRAMERATE] [-e WID] [-G GAMMA] "
+	       "[-g GEOMETRY] [-N NAME] [-n NUM] [-S DELAY] [-s MODE] "
+	       "[-z ZOOM] FILES...\n");
+}
+
+static void title_deprecation_notice(void)
+{
+	error(EXIT_FAILURE, 0, "\n"
+	      "################################################################\n"
+	      "#                      DEPRECATION NOTICE                      #\n"
+	      "################################################################\n"
+	      "# `-T` option has been deprecated in favour of `win-title`.    #\n"
+	      "# Please read the `WINDOW TITLE` section of the manpage for    #\n"
+	      "# more info.                                                   #\n"
+	      "################################################################"
+	);
+}
+
+static void print_version(void)
+{
+	puts("nsxiv " VERSION);
+}
+
+void parse_options(int argc, char **argv)
+{
+	int n, opt;
+	char *end, *s;
+	const char *scalemodes = "dfFwh";
+	static opt_t _options;
+	options = &_options;
+
+	progname = strrchr(argv[0], '/');
+	progname = progname ? progname + 1 : argv[0];
+
+	_options.from_stdin = false;
+	_options.to_stdout = false;
+	_options.using_null = 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.framerate = 0;
+
+	_options.fullscreen = false;
+	_options.embed = 0;
+	_options.hide_bar = false;
+	_options.geometry = NULL;
+	_options.res_name = NULL;
+
+	_options.quiet = false;
+	_options.thumb_mode = false;
+	_options.clean_cache = false;
+	_options.private_mode = false;
+
+	while ((opt = getopt(argc, argv, "A:abce:fG:g:hin:N:opqrS:s:T:tvZz:0")) != -1) {
+		switch (opt) {
+			case '?':
+				print_usage();
+				exit(EXIT_FAILURE);
+			case 'A':
+				n = strtol(optarg, &end, 0);
+				if (*end != '\0' || n <= 0)
+					error(EXIT_FAILURE, 0, "Invalid argument for option -A: %s", optarg);
+				_options.framerate = n;
+				/* fall through */
+			case 'a':
+				_options.animate = true;
+				break;
+			case 'b':
+				_options.hide_bar = true;
+				break;
+			case 'c':
+				_options.clean_cache = true;
+				break;
+			case 'e':
+				n = strtol(optarg, &end, 0);
+				if (*end != '\0')
+					error(EXIT_FAILURE, 0, "Invalid argument for option -e: %s", optarg);
+				_options.embed = n;
+				break;
+			case 'f':
+				_options.fullscreen = true;
+				break;
+			case 'G':
+				n = strtol(optarg, &end, 0);
+				if (*end != '\0')
+					error(EXIT_FAILURE, 0, "Invalid argument for option -G: %s", optarg);
+				_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)
+					error(EXIT_FAILURE, 0, "Invalid argument for option -n: %s", optarg);
+				_options.startnum = n - 1;
+				break;
+			case 'N':
+				_options.res_name = optarg;
+				break;
+			case 'o':
+				_options.to_stdout = true;
+				break;
+			case 'p':
+				_options.private_mode = true;
+				break;
+			case 'q':
+				_options.quiet = true;
+				break;
+			case 'r':
+				_options.recursive = true;
+				break;
+			case 'S':
+				n = strtof(optarg, &end) * 10;
+				if (*end != '\0' || n <= 0)
+					error(EXIT_FAILURE, 0, "Invalid argument for option -S: %s", optarg);
+				_options.slideshow = n;
+				break;
+			case 's':
+				s = strchr(scalemodes, optarg[0]);
+				if (s == NULL || *s == '\0' || strlen(optarg) != 1)
+					error(EXIT_FAILURE, 0, "Invalid argument for option -s: %s", optarg);
+				_options.scalemode = s - scalemodes;
+				break;
+			case 'T':
+				title_deprecation_notice(); /* TODO(v30): remove this option */
+				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)
+					error(EXIT_FAILURE, 0, "Invalid argument for option -z: %s", optarg);
+				_options.scalemode = SCALE_ZOOM;
+				_options.zoom = (float) n / 100.0;
+				break;
+			case '0':
+				_options.using_null = true;
+				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;
+	}
+}