diff --git a/src/options.c b/src/options.c
index 0aa812204554b1230988fe78948b553834b323ff..6f674c6cd61b9d3736dfd27ebfd87d2ea224813b 100644 (file)
--- a/src/options.c
+++ b/src/options.c
-/*
- * $Id$
- *
- * (c) 2004 by Kalle Wallin <kaw@linux.se>
+/* ncmpc (Ncurses MPD Client)
+ * (c) 2004-2010 The Music Player Daemon Project
+ * Project homepage: http://musicpd.org
*
* 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
* 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, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
-#include <stdio.h>
+#include "options.h"
+#include "config.h"
+#include "defaults.h"
+#include "charset.h"
+#include "command.h"
+#include "conf.h"
+#include "i18n.h"
+
#include <stdlib.h>
-#include <unistd.h>
+#include <stdio.h>
#include <string.h>
-#include <ncurses.h>
#include <glib.h>
-#include <popt.h>
-#include "config.h"
-#include "ncmpc.h"
-#include "options.h"
-#include "command.h"
-#include "support.h"
-
-options_t options;
-
-static char *mpd_host = NULL;
-static char *mpd_password = NULL;
-static char *config_file = NULL;
-static char *key_file = NULL;
-
-static struct poptOption optionsTable[] = {
-#ifdef DEBUG
- { "debug", 'D', 0, 0, 'D', "Enable debug output." },
-#endif
- { "version", 'V', 0, 0, 'V', "Display version information." },
- { "colors", 'c', 0, 0, 'c', "Enable colors." },
- { "no-colors", 'C', 0, 0, 'C', "Disable colors." },
- { "exit", 'e', 0, 0, 'e', "Exit on connection errors." },
- { "port", 'p', POPT_ARG_INT, &options.port, 0,
- "Connect to server on port [" DEFAULT_PORT_STR "].", "PORT" },
- { "host", 'h', POPT_ARG_STRING, &mpd_host, 0,
- "Connect to server [" DEFAULT_HOST "].", "HOSTNAME" },
- { "password", 'P', POPT_ARG_STRING, &mpd_password, 0,
- "Connect with password.", "PASSWORD" },
- { "config", 'f', POPT_ARG_STRING, &config_file, 0,
- "Read config from FILE." , "FILE" },
- { "key-file", 'k', POPT_ARG_STRING, &key_file, 0,
- "Read key bindings from FILE." , "FILE" },
-
- POPT_AUTOHELP
- { NULL, 0, 0, NULL, 0 }
+#define ERROR_UNKNOWN_OPTION 0x01
+#define ERROR_BAD_ARGUMENT 0x02
+#define ERROR_GOT_ARGUMENT 0x03
+#define ERROR_MISSING_ARGUMENT 0x04
+
+typedef struct {
+ int shortopt;
+ const char *longopt;
+ const char *argument;
+ const char *descrition;
+} arg_opt_t;
+
+
+typedef void (*option_callback_fn_t)(int c, const char *arg);
+
+
+options_t options = {
+ .crossfade_time = DEFAULT_CROSSFADE_TIME,
+ .seek_time = 1,
+#ifdef ENABLE_LYRICS_SCREEN
+ .lyrics_timeout = DEFAULT_LYRICS_TIMEOUT,
+ .lyrics_autosave = false,
+ .lyrics_show_plugin = false,
+ .text_editor_ask = true,
+#endif
+ .find_wrap = true,
+ .scroll_offset = 0,
+ .wide_cursor = true,
+ .audible_bell = true,
+ .bell_on_wrap = true,
+ .status_message_time = 3,
+ .timeout_ms = DEFAULT_MPD_TIMEOUT,
+#ifndef NCMPC_MINI
+ .scroll = DEFAULT_SCROLL,
+ .welcome_screen_list = true,
+ .jump_prefix_only = true,
+ .second_column = true,
+#endif
};
+static const arg_opt_t option_table[] = {
+ { '?', "help", NULL, "Show this help message" },
+ { 'V', "version", NULL, "Display version information" },
+ { 'c', "colors", NULL, "Enable colors" },
+ { 'C', "no-colors", NULL, "Disable colors" },
+#ifdef HAVE_GETMOUSE
+ { 'm', "mouse", NULL, "Enable mouse" },
+ { 'M', "no-mouse", NULL, "Disable mouse" },
+#endif
+ { 'e', "exit", NULL, "Exit on connection errors" },
+ { 'p', "port", "PORT", "Connect to server on port" },
+ { 'h', "host", "HOST", "Connect to server on host" },
+ { 'P', "password","PASSWORD", "Connect with password" },
+ { 'f', "config", "FILE", "Read configuration from file" },
+ { 'k', "key-file","FILE", "Read key bindings from file" },
+#ifndef NDEBUG
+ { 'K', "dump-keys", NULL, "Dump key bindings to stdout" },
+#endif
+};
+
+static const unsigned option_table_size = sizeof(option_table) / sizeof(option_table[0]);
+
+static const arg_opt_t *
+lookup_option(int s, char *l)
+{
+ unsigned i;
+
+ for (i = 0; i < option_table_size; ++i) {
+ if (l && strcmp(l, option_table[i].longopt) == 0)
+ return &option_table[i];
+ if (s && s == option_table[i].shortopt)
+ return &option_table[i];
+ }
+
+ return NULL;
+}
+
+static void
+option_error(int error, const char *option, const char *arg)
+{
+ switch (error) {
+ case ERROR_UNKNOWN_OPTION:
+ fprintf(stderr, PACKAGE ": invalid option %s\n", option);
+ break;
+ case ERROR_BAD_ARGUMENT:
+ fprintf(stderr, PACKAGE ": bad argument: %s\n", option);
+ break;
+ case ERROR_GOT_ARGUMENT:
+ fprintf(stderr, PACKAGE ": invalid option %s=%s\n", option, arg);
+ break;
+ case ERROR_MISSING_ARGUMENT:
+ fprintf(stderr, PACKAGE ": missing value for %s option\n", option);
+ break;
+ default:
+ fprintf(stderr, PACKAGE ": internal error %d\n", error);
+ break;
+ }
+
+ exit(EXIT_FAILURE);
+}
+
static void
-usage(poptContext optCon, int exitcode, char *error, char *addl)
+display_help(void)
{
- poptPrintUsage(optCon, stderr, 0);
- if (error)
- fprintf(stderr, "%s: %s0", error, addl);
- exit(exitcode);
+ unsigned i;
+
+ printf("Usage: %s [OPTION]...\n", PACKAGE);
+
+ for (i = 0; i < option_table_size; ++i) {
+ char tmp[32];
+
+ if (option_table[i].argument)
+ g_snprintf(tmp, sizeof(tmp), "%s=%s",
+ option_table[i].longopt,
+ option_table[i].argument);
+ else
+ g_strlcpy(tmp, option_table[i].longopt, 64);
+
+ printf(" -%c, --%-20s %s\n",
+ option_table[i].shortopt,
+ tmp,
+ option_table[i].descrition);
+ }
}
-options_t *
-options_parse( int argc, const char **argv)
+static void
+handle_option(int c, const char *arg)
{
- int c;
- poptContext optCon; /* context for parsing command-line options */
-
- mpd_host = NULL;
- mpd_password = NULL;
- config_file = NULL;
- key_file = NULL;
- optCon = poptGetContext(NULL, argc, argv, optionsTable, 0);
- while ((c = poptGetNextOpt(optCon)) >= 0)
- {
- switch (c)
- {
-#ifdef DEBUG
- case 'D':
- options.debug = 1;
- break;
-#endif
- case 'c':
- options.enable_colors = 1;
- break;
- case 'C':
- options.enable_colors = 0;
- break;
- case 'V':
- printf("Version " VERSION "\n");
- exit(EXIT_SUCCESS);
- case 'e':
- options.reconnect = 0;
- break;
+ switch (c) {
+ case '?': /* --help */
+ display_help();
+ exit(EXIT_SUCCESS);
+ case 'V': /* --version */
+ puts(PACKAGE " version: " VERSION "\n"
+ "build options:"
+#ifdef NCMPC_MINI
+ " mini"
+#endif
+#ifndef NDEBUG
+ " debug"
+#endif
+#ifdef ENABLE_MULTIBYTE
+ " multibyte"
+#endif
+#ifdef HAVE_CURSES_ENHANCED
+ " wide"
+#endif
+#ifdef ENABLE_LOCALE
+ " locale"
+#endif
+#ifdef ENABLE_NLS
+ " nls"
+#endif
+#ifdef ENABLE_COLORS
+ " colors"
+#else
+ " no-colors"
+#endif
+#ifdef ENABLE_LIRC
+ " lirc"
+#endif
+#ifdef HAVE_GETMOUSE
+ " getmouse"
+#endif
+#ifdef ENABLE_ARTIST_SCREEN
+ " artist-screen"
+#endif
+#ifdef ENABLE_HELP_SCREEN
+ " help-screen"
+#endif
+#ifdef ENABLE_SEARCH_SCREEN
+ " search-screen"
+#endif
+#ifdef ENABLE_SONG_SCREEN
+ " song-screen"
+#endif
+#ifdef ENABLE_KEYDEF_SCREEN
+ " key-screen"
+#endif
+#ifdef ENABLE_LYRICS_SCREEN
+ " lyrics-screen"
+#endif
+#ifdef ENABLE_OUTPUTS_SCREEN
+ " outputs-screen"
+#endif
+#ifdef ENABLE_CHAT_SCREEN
+ " chat-screen"
+#endif
+
+ "\n");
+#ifndef NCMPC_MINI
+ {
+ char *user_conf = build_user_conf_filename();
+ char *system_conf = build_system_conf_filename();
+
+ printf("configuration files:\n %s\n %s\n\n",
+ user_conf, system_conf);
+
+ g_free(user_conf);
+ g_free(system_conf);
+ }
+ if (strcmp("translator-credits", _("translator-credits")) != 0)
+ /* To translators: these credits are shown
+ when ncmpc is started with "--version" */
+ printf("\n%s\n", _("translator-credits"));
+#endif
+ exit(EXIT_SUCCESS);
+ case 'c': /* --colors */
+#ifdef ENABLE_COLORS
+ options.enable_colors = true;
+#endif
+ break;
+ case 'C': /* --no-colors */
+#ifdef ENABLE_COLORS
+ options.enable_colors = false;
+#endif
+ break;
+ case 'm': /* --mouse */
+#ifdef HAVE_GETMOUSE
+ options.enable_mouse = true;
+#endif
+ break;
+ case 'M': /* --no-mouse */
+#ifdef HAVE_GETMOUSE
+ options.enable_mouse = false;
+#endif
+ break;
+ case 'e': /* --exit */
+ /* deprecated */
+ break;
+ case 'p': /* --port */
+ options.port = atoi(arg);
+ break;
+ case 'h': /* --host */
+ g_free(options.host);
+ options.host = g_strdup(arg);
+ break;
+ case 'P': /* --password */
+ g_free(options.password);
+ options.password = locale_to_utf8(arg);
+ break;
+ case 'f': /* --config */
+ g_free(options.config_file);
+ options.config_file = g_strdup(arg);
+ break;
+ case 'k': /* --key-file */
+ g_free(options.key_file);
+ options.key_file = g_strdup(arg);
+ break;
+#if !defined(NDEBUG) && !defined(NCMPC_MINI)
+ case 'K': /* --dump-keys */
+ read_configuration();
+ write_key_bindings(stdout, KEYDEF_WRITE_ALL | KEYDEF_COMMENT_ALL);
+ exit(EXIT_SUCCESS);
+ break;
+#endif
default:
- fprintf(stderr, "%s: %s\n",
- poptBadOption(optCon, POPT_BADOPTION_NOALIAS),
- poptStrerror(c));
- poptFreeContext(optCon);
- exit(EXIT_FAILURE);
- break;
+ fprintf(stderr,"Unknown Option %c = %s\n", c, arg);
+ break;
}
- }
- if (c < -1)
- {
- /* an error occurred during option processing */
- fprintf(stderr, "%s: %s\n",
- poptBadOption(optCon, POPT_BADOPTION_NOALIAS),
- poptStrerror(c));
- poptFreeContext(optCon);
- exit(EXIT_FAILURE);
- }
-
- if( mpd_host )
- {
- g_free(options.host);
- options.host = mpd_host;
- }
- if( mpd_password )
- {
- g_free(options.password);
- options.password = mpd_password;
- }
- if( config_file )
- {
- g_free(options.config_file);
- options.config_file = config_file;
- }
- if( key_file )
- {
- g_free(options.key_file);
- options.key_file = key_file;
- }
-
- poptFreeContext(optCon);
- return &options;
}
-options_t *
-options_init( void )
+void
+options_parse(int argc, const char *argv[])
{
- const char *value;
- char *tmp;
-
- memset(&options, 0, sizeof(options_t));
-
- if( (value=g_getenv(MPD_HOST_ENV)) )
- options.host = g_strdup(value);
- else
- options.host = g_strdup(DEFAULT_HOST);
- if( (tmp=g_strstr_len(options.host, strlen(options.host), "@")) )
- {
- char *oldhost = options.host;
- *tmp = '\0';
- options.password = locale_to_utf8(oldhost);
- options.host = g_strdup(tmp+1);
- g_free(oldhost);
- }
-
- if( (value=g_getenv(MPD_PORT_ENV)) )
- options.port = atoi(value);
- else
- options.port = DEFAULT_PORT;
-
- options.list_format = NULL;
- options.status_format = NULL;
- options.xterm_title_format = NULL;
-
- options.reconnect = TRUE;
- options.find_wrap = TRUE;
- options.wide_cursor = TRUE;
- options.audible_bell = TRUE;
-
- return &options;
+ int i;
+ const arg_opt_t *opt = NULL;
+ option_callback_fn_t option_cb = handle_option;
+
+ for (i = 1; i < argc; i++) {
+ const char *arg = argv[i];
+ size_t len = strlen(arg);
+
+ /* check for a long option */
+ if (g_str_has_prefix(arg, "--")) {
+ char *name, *value;
+
+ /* make sure we got an argument for the previous option */
+ if( opt && opt->argument )
+ option_error(ERROR_MISSING_ARGUMENT, opt->longopt, opt->argument);
+
+ /* retrieve a option argument */
+ if ((value=g_strrstr(arg+2, "="))) {
+ *value = '\0';
+ name = g_strdup(arg);
+ *value = '=';
+ value++;
+ } else
+ name = g_strdup(arg);
+
+ /* check if the option exists */
+ if( (opt=lookup_option(0, name+2)) == NULL )
+ option_error(ERROR_UNKNOWN_OPTION, name, NULL);
+ g_free(name);
+
+ /* abort if we got an argument to the option and don't want one */
+ if( value && opt->argument==NULL )
+ option_error(ERROR_GOT_ARGUMENT, arg, value);
+
+ /* execute option callback */
+ if (value || opt->argument==NULL) {
+ option_cb (opt->shortopt, value);
+ opt = NULL;
+ }
+ }
+ /* check for short options */
+ else if (len>=2 && g_str_has_prefix(arg, "-")) {
+ size_t j;
+
+ for(j=1; j<len; j++) {
+ /* make sure we got an argument for the previous option */
+ if (opt && opt->argument)
+ option_error(ERROR_MISSING_ARGUMENT,
+ opt->longopt, opt->argument);
+
+ /* check if the option exists */
+ if ((opt=lookup_option(arg[j], NULL)) == NULL)
+ option_error(ERROR_UNKNOWN_OPTION, arg, NULL);
+
+ /* if no option argument is needed execute callback */
+ if (opt->argument == NULL) {
+ option_cb (opt->shortopt, NULL);
+ opt = NULL;
+ }
+ }
+ } else {
+ /* is this a option argument? */
+ if (opt && opt->argument) {
+ option_cb (opt->shortopt, arg);
+ opt = NULL;
+ } else
+ option_error(ERROR_BAD_ARGUMENT, arg, NULL);
+ }
+ }
+
+ if (opt && opt->argument == NULL)
+ option_cb (opt->shortopt, NULL);
+ else if (opt && opt->argument)
+ option_error(ERROR_MISSING_ARGUMENT, opt->longopt, opt->argument);
+
+ if (!options.host && getenv("MPD_HOST")) {
+ g_free(options.host);
+ options.host = g_strdup(getenv("MPD_HOST"));
+ }
}
+void
+options_init(void)
+{
+ /* default option values */
+ options.list_format = g_strdup(DEFAULT_LIST_FORMAT);
+ options.status_format = g_strdup(DEFAULT_STATUS_FORMAT);
+ options.screen_list = g_strsplit_set(DEFAULT_SCREEN_LIST, " ", 0);
+#ifndef NCMPC_MINI
+ options.scroll_sep = g_strdup(DEFAULT_SCROLL_SEP);
+#endif
+ if (getenv("MPD_TIMEOUT") != NULL)
+ /* let libmpdclient parse the environment variable */
+ options.timeout_ms = 0;
+}
-options_t *
-options_get(void)
+void
+options_deinit(void)
{
- return &options;
+ g_free(options.host);
+ g_free(options.username);
+ g_free(options.password);
+ g_free(options.config_file);
+ g_free(options.key_file);
+ g_free(options.list_format);
+ g_free(options.status_format);
+ g_strfreev(options.screen_list);
+#ifndef NCMPC_MINI
+ g_free(options.xterm_title_format);
+ g_free(options.scroll_sep);
+#endif
+#ifdef ENABLE_LYRICS_SCREEN
+ g_free(options.text_editor);
+#endif
+#ifdef ENABLE_CHAT_SCREEN
+ g_free(options.chat_prefix);
+#endif
}