Code

conf: simplify read_configuration()
[ncmpc.git] / src / conf.c
index 3ec37b855776cde142e8eae35e854daa45bb835a..87fa51e7a05e2b356dc9118d81f09975438bb6af 100644 (file)
@@ -1,21 +1,21 @@
 /* ncmpc (Ncurses MPD Client)
- * (c) 2004-2009 The Music Player Daemon Project
+ * (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
  * the Free Software Foundation; either version 2 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, write to the Free Software Foundation, Inc.,
  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
-*/
+ */
 
 #include "conf.h"
 #include "config.h"
 #include "colors.h"
 #include "screen_list.h"
 
+#include <assert.h>
 #include <ctype.h>
 #include <stdio.h>
 #include <errno.h>
 #include <stdlib.h>
 #include <unistd.h>
 #include <string.h>
-#include <sys/types.h>
-#include <sys/stat.h>
 #include <fcntl.h>
 #include <glib.h>
+#include <glib/gstdio.h>
 
 #define MAX_LINE_LENGTH 1024
 #define COMMENT_TOKEN '#'
 #define CONF_HOST "host"
 #define CONF_PORT "port"
 #define CONF_PASSWORD "password"
+#define CONF_TIMEOUT "timeout"
 #define CONF_LYRICS_TIMEOUT "lyrics-timeout"
-#define CONF_SHOW_SPLASH "show-splash"
 #define CONF_SCROLL "scroll"
 #define CONF_SCROLL_SEP "scroll-sep"
 #define CONF_VISIBLE_BITRATE "visible-bitrate"
+#define CONF_HARDWARE_CURSOR "hardware-cursor"
 #define CONF_WELCOME_SCREEN_LIST "welcome-screen-list"
 #define CONF_DISPLAY_TIME "display-time"
 #define CONF_JUMP_PREFIX_ONLY "jump-prefix-only"
 #define CONF_LYRICS_AUTOSAVE "lyrics-autosave"
+#define CONF_LYRICS_SHOW_PLUGIN "lyrics-show-plugin"
+#define CONF_TEXT_EDITOR "text-editor"
+#define CONF_TEXT_EDITOR_ASK "text-editor-ask"
+#define CONF_CHAT_PREFIX "chat-prefix"
+#define CONF_SECOND_COLUMN "second-column"
 
 static bool
 str2bool(char *str)
@@ -301,10 +307,8 @@ check_screen_list(char *value)
 {
        char **tmp = g_strsplit_set(value, " \t,", 100);
        char **screen = NULL;
-       int i,j;
+       int i = 0, j = 0;
 
-       i=0;
-       j=0;
        while( tmp && tmp[i] ) {
                char *name = g_ascii_strdown(tmp[i], -1);
                if (*name != '\0') {
@@ -372,17 +376,13 @@ get_search_mode(char *value)
 static bool
 parse_line(char *line)
 {
-       size_t len = strlen(line), i = 0, j;
+       size_t len = strlen(line), i = 0, j = 0;
        char name[MAX_LINE_LENGTH];
        char value[MAX_LINE_LENGTH];
-       bool match_found;
 
        /* get the name part */
-       j = 0;
-       while (i < len && line[i] != '=' &&
-              !g_ascii_isspace(line[i])) {
+       while (i < len && line[i] != '=' && !g_ascii_isspace(line[i]))
                name[j++] = line[i++];
-       }
 
        name[j] = '\0';
 
@@ -396,8 +396,6 @@ parse_line(char *line)
                value[j++] = line[i++];
        value[j] = '\0';
 
-       match_found = true;
-
        /* key definition */
        if (!strcasecmp(CONF_KEY_DEFINITION, name))
                parse_key_definition(value);
@@ -423,7 +421,7 @@ parse_line(char *line)
        /* wide cursor */
        else if (!strcasecmp(CONF_WIDE_CURSOR, name))
                options.wide_cursor = str2bool(value);
-       else if (strcasecmp(name, "hardware-cursor") == 0)
+       else if (strcasecmp(name, CONF_HARDWARE_CURSOR) == 0)
                options.hardware_cursor = str2bool(value);
        /* welcome screen list */
        else if (!strcasecmp(CONF_WELCOME_SCREEN_LIST, name))
@@ -486,14 +484,15 @@ parse_line(char *line)
        else if (!strcasecmp(CONF_SCREEN_LIST, name)) {
                g_strfreev(options.screen_list);
                options.screen_list = check_screen_list(value);
-       } else if (!strcasecmp(CONF_SHOW_SPLASH, name)) {
-               /* the splash screen was removed */
        } else if (!strcasecmp(CONF_HOST, name))
                options.host = get_format(value);
        else if (!strcasecmp(CONF_PORT, name))
                options.port = atoi(get_format(value));
        else if (!strcasecmp(CONF_PASSWORD, name))
                options.password = get_format(value);
+       else if (!strcasecmp(CONF_TIMEOUT, name))
+               options.timeout_ms = atoi(get_format(value))
+                                    * 1000 /* seconds -> milliseconds */;
        else if (!strcasecmp(CONF_LYRICS_TIMEOUT, name))
 #ifdef ENABLE_LYRICS_SCREEN
                options.lyrics_timeout = atoi(get_format(value));
@@ -523,25 +522,55 @@ parse_line(char *line)
 #else
        {}
 #endif
-       else
-               match_found = false;
-
-       if (!match_found)
-               print_error(_("Unknown configuration parameter"),
-                           name);
+       else if (!strcasecmp(CONF_LYRICS_SHOW_PLUGIN, name))
+#ifdef ENABLE_LYRICS_SCREEN
+               options.lyrics_show_plugin = str2bool(value);
+#else
+               {}
+#endif
+       else if (!strcasecmp(name, CONF_TEXT_EDITOR))
+#ifdef ENABLE_LYRICS_SCREEN
+               {
+                       g_free(options.text_editor);
+                       options.text_editor = get_format(value);
+               }
+#else
+               {}
+#endif
+       else if (!strcasecmp(name, CONF_TEXT_EDITOR_ASK))
+#ifdef ENABLE_LYRICS_SCREEN
+               options.text_editor_ask = str2bool(value);
+#else
+               {}
+#endif
+       else if (!strcasecmp(name, CONF_CHAT_PREFIX))
+#ifdef ENABLE_CHAT_SCREEN
+               options.chat_prefix = get_format(value);
+#else
+               {}
+#endif
+       else if (!strcasecmp(CONF_SECOND_COLUMN, name))
+#ifdef NCMPC_MINI
+               {}
+#else
+               options.second_column = str2bool(value);
+#endif
+       else {
+               print_error(_("Unknown configuration parameter"), name);
+               return false;
+       }
 
-       return match_found;
+       return true;
 }
 
 static int
 read_rc_file(char *filename)
 {
+       assert(filename != NULL);
+
        FILE *file;
        char line[MAX_LINE_LENGTH];
 
-       if (filename == NULL)
-               return -1;
-
        file = fopen(filename, "r");
        if (file == NULL) {
                        perror(filename);
@@ -570,80 +599,145 @@ check_user_conf_dir(void)
                return 0;
        }
 
-       retval = mkdir(directory, 0755);
+       retval = g_mkdir(directory, 0755);
        g_free(directory);
        return retval;
 }
 
 char *
-get_user_key_binding_filename(void)
+build_user_conf_filename(void)
 {
+#ifdef WIN32
+       return g_build_filename(g_get_user_config_dir(), PACKAGE, "ncmpc.conf", NULL);
+#else
+       return g_build_filename(g_get_home_dir(), "." PACKAGE, "config", NULL);
+#endif
+}
+
+char *
+build_system_conf_filename(void)
+{
+#ifdef WIN32
+       const gchar* const *system_data_dirs;
+       gchar *pathname = NULL;
+
+       for (system_data_dirs = g_get_system_config_dirs (); *system_data_dirs != NULL; system_data_dirs++)
+       {
+               g_message (*system_data_dirs);
+               pathname = g_build_filename(*system_data_dirs, PACKAGE, "ncmpc.conf", NULL);
+               if (g_file_test(pathname, G_FILE_TEST_EXISTS))
+               {
+                       break;
+               }
+               else
+               {
+                       g_free (pathname);
+                       pathname = NULL;
+               }
+       }
+       return pathname;
+#else
+       return g_build_filename(SYSCONFDIR, PACKAGE, "config", NULL);
+#endif
+}
+
+char *
+build_user_key_binding_filename(void)
+{
+#ifdef WIN32
+       return g_build_filename(g_get_user_config_dir(), PACKAGE, "keys.conf", NULL);
+#else
        return g_build_filename(g_get_home_dir(), "." PACKAGE, "keys", NULL);
+#endif
 }
 
-int
-read_configuration(void)
+static char *
+g_build_system_key_binding_filename(void)
 {
-       char *filename = NULL;
+#ifdef WIN32
+       const gchar* const *system_data_dirs;
+       gchar *pathname = NULL;
 
+       for (system_data_dirs = g_get_system_config_dirs (); *system_data_dirs != NULL; system_data_dirs++)
+       {
+               g_message (*system_data_dirs);
+               pathname = g_build_filename(*system_data_dirs, PACKAGE, "keys.conf", NULL);
+               if (g_file_test(pathname, G_FILE_TEST_EXISTS))
+               {
+                       break;
+               }
+               else
+               {
+                       g_free (pathname);
+                       pathname = NULL;
+               }
+       }
+       return pathname;
+#else
+       return g_build_filename(SYSCONFDIR, PACKAGE, "keys", NULL);
+#endif
+}
+
+static char *
+find_config_file(void)
+{
        /* check for command line configuration file */
-       if (options.config_file)
-               filename = g_strdup(options.config_file);
+       if (options.config_file != NULL)
+               return g_strdup(options.config_file);
 
        /* check for user configuration ~/.ncmpc/config */
-       if (filename == NULL) {
-               filename = g_build_filename(g_get_home_dir(),
-                                           "." PACKAGE, "config", NULL);
-               if (!g_file_test(filename, G_FILE_TEST_IS_REGULAR)) {
-                       g_free(filename);
-                       filename = NULL;
-               }
-       }
+       char *filename = build_user_conf_filename();
+       if (g_file_test(filename, G_FILE_TEST_IS_REGULAR))
+               return filename;
+
+       g_free(filename);
 
        /* check for  global configuration SYSCONFDIR/ncmpc/config */
-       if (filename == NULL) {
-               filename = g_build_filename(SYSCONFDIR, PACKAGE, "config", NULL);
-               if (!g_file_test(filename, G_FILE_TEST_IS_REGULAR)) {
-                       g_free(filename);
-                       filename = NULL;
-               }
-       }
+       filename = build_system_conf_filename();
+       if (g_file_test(filename, G_FILE_TEST_IS_REGULAR))
+               return filename;
 
-       /* load configuration */
-       if (filename) {
-               read_rc_file(filename);
-               g_free(filename);
-               filename = NULL;
-       }
+       g_free(filename);
+       return NULL;
+}
 
+static char *
+find_keys_file(void)
+{
        /* check for command line key binding file */
-       if (options.key_file)
-               filename = g_strdup(options.key_file);
+       if (options.key_file != NULL)
+               return g_strdup(options.key_file);
 
        /* check for  user key bindings ~/.ncmpc/keys */
-       if (filename == NULL) {
-               filename = get_user_key_binding_filename();
-               if (!g_file_test(filename, G_FILE_TEST_IS_REGULAR)) {
-                       g_free(filename);
-                       filename = NULL;
-               }
-       }
+       char *filename = build_user_key_binding_filename();
+       if (g_file_test(filename, G_FILE_TEST_IS_REGULAR))
+               return filename;
+
+       g_free(filename);
 
        /* check for  global key bindings SYSCONFDIR/ncmpc/keys */
-       if (filename == NULL) {
-               filename = g_build_filename(SYSCONFDIR, PACKAGE, "keys", NULL);
-               if (!g_file_test(filename, G_FILE_TEST_IS_REGULAR)) {
-                       g_free(filename);
-                       filename = NULL;
-               }
+       filename = g_build_system_key_binding_filename();
+       if (g_file_test(filename, G_FILE_TEST_IS_REGULAR))
+               return filename;
+
+       g_free(filename);
+       return NULL;
+}
+
+void
+read_configuration(void)
+{
+       /* load configuration */
+       char *filename = find_config_file();
+       if (filename != NULL) {
+               read_rc_file(filename);
+               g_free(filename);
        }
 
        /* load key bindings */
-       if (filename) {
+       filename = find_keys_file();
+       if (filename != NULL) {
                read_rc_file(filename);
                g_free(filename);
-               filename = NULL;
        }
-
-       return 0;
 }