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diff --git a/src/config.c b/src/config.c
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+/*
+ * Calcurse - text-based organizer
+ *
+ * Copyright (c) 2004-2011 calcurse Development Team <misc@calcurse.org>
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * - Redistributions of source code must retain the above
+ * copyright notice, this list of conditions and the
+ * following disclaimer.
+ *
+ * - Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the
+ * following disclaimer in the documentation and/or other
+ * materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * Send your feedback or comments to : misc@calcurse.org
+ * Calcurse home page : http://calcurse.org
+ *
+ */
+
+#include <ctype.h>
+
+#include "calcurse.h"
+
+static int
+config_parse_bool (unsigned *dest, const char *val)
+{
+ if (strncmp (val, "yes", 4) == 0)
+ *dest = 1;
+ else if (strncmp (val, "no", 3) == 0)
+ *dest = 0;
+ else
+ return 0;
+
+ return 1;
+}
+
+static int
+config_parse_unsigned (unsigned *dest, const char *val)
+{
+ if (is_all_digit (val))
+ *dest = atoi (val);
+ else
+ return 0;
+
+ return 1;
+}
+
+static int
+config_parse_int (int *dest, const char *val)
+{
+ if ((*val == '+' || *val == '-' || isdigit (*val)) && is_all_digit (val + 1))
+ *dest = atoi (val);
+ else
+ return 0;
+
+ return 1;
+}
+
+static int
+config_parse_color (int *dest, const char *val)
+{
+ if (!strcmp (val, "black"))
+ *dest = COLOR_BLACK;
+ else if (!strcmp (val, "red"))
+ *dest = COLOR_RED;
+ else if (!strcmp (val, "green"))
+ *dest = COLOR_GREEN;
+ else if (!strcmp (val, "yellow"))
+ *dest = COLOR_YELLOW;
+ else if (!strcmp (val, "blue"))
+ *dest = COLOR_BLUE;
+ else if (!strcmp (val, "magenta"))
+ *dest = COLOR_MAGENTA;
+ else if (!strcmp (val, "cyan"))
+ *dest = COLOR_CYAN;
+ else if (!strcmp (val, "white"))
+ *dest = COLOR_WHITE;
+ else if (!strcmp (val, "default"))
+ *dest = background;
+ else
+ return 0;
+
+ return 1;
+}
+
+static int
+config_parse_color_pair (int *dest1, int *dest2, const char *val)
+{
+ char s1[BUFSIZ], s2[BUFSIZ];
+
+ if (sscanf (val, "%s on %s", s1, s2) != 2)
+ return 0;
+
+ return (config_parse_color (dest1, s1) && config_parse_color (dest2, s2));
+}
+
+/* Set a configuration variable. */
+static int
+config_set_conf (const char *key, const char *value)
+{
+ if (!key)
+ return -1;
+
+ if (!strcmp(key, "auto_save"))
+ return config_parse_bool (&conf.auto_save, value);
+
+ if (!strcmp(key, "auto_gc"))
+ return config_parse_bool (&conf.auto_gc, value);
+
+ if (!strcmp(key, "periodic_save"))
+ return config_parse_unsigned (&conf.periodic_save, value);
+
+ if (!strcmp(key, "confirm_quit"))
+ return config_parse_bool (&conf.confirm_quit, value);
+
+ if (!strcmp(key, "confirm_delete"))
+ return config_parse_bool (&conf.confirm_delete, value);
+
+ if (!strcmp(key, "skip_system_dialogs"))
+ return config_parse_bool (&conf.skip_system_dialogs, value);
+
+ if (!strcmp(key, "skip_progress_bar"))
+ return config_parse_bool (&conf.skip_progress_bar, value);
+
+ if (!strcmp(key, "calendar_default_view")) {
+ calendar_set_view (atoi (value));
+ return 1;
+ }
+
+ if (!strcmp(key, "week_begins_on_monday")) {
+ unsigned tmp;
+ if (config_parse_bool (&tmp, value)) {
+ if (tmp)
+ calendar_set_first_day_of_week (MONDAY);
+ else
+ calendar_set_first_day_of_week (SUNDAY);
+ return 1;
+ }
+ else
+ return 0;
+ }
+
+ if (!strcmp(key, "color-theme"))
+ {
+ int color1, color2;
+ if (!config_parse_color_pair (&color1, &color2, value))
+ return 0;
+ init_pair (COLR_CUSTOM, color1, color2);
+ return 1;
+ }
+
+ if (!strcmp(key, "layout")) {
+ wins_set_layout (atoi (value));
+ return 1;
+ }
+
+ if (!strcmp(key, "side-bar_width")) {
+ wins_set_sbar_width (atoi (value));
+ return 1;
+ }
+
+ if (!strcmp(key, "notify-bar_show"))
+ return config_parse_bool (&nbar.show, value);
+
+ if (!strcmp(key, "notify-bar_date")) {
+ strncpy (nbar.datefmt, value, strlen (value) + 1);
+ return 1;
+ }
+
+ if (!strcmp(key, "notify-bar_clock")) {
+ strncpy (nbar.timefmt, value, strlen (value) + 1);
+ return 1;
+ }
+
+ if (!strcmp(key, "notify-bar_warning"))
+ return config_parse_int (&nbar.cntdwn, value);
+
+ if (!strcmp(key, "notify-bar_command")) {
+ strncpy (nbar.cmd, value, strlen (value) + 1);
+ return 1;
+ }
+
+ if (!strcmp(key, "notify-all"))
+ return config_parse_bool(&nbar.notify_all, value);
+
+ if (!strcmp(key, "output_datefmt")) {
+ if (value[0] != '\0')
+ strncpy (conf.output_datefmt, value, strlen (value) + 1);
+ return 1;
+ }
+
+ if (!strcmp(key, "input_datefmt")) {
+ if (config_parse_int (&conf.input_datefmt, value)) {
+ if (conf.input_datefmt <= 0 || conf.input_datefmt >= DATE_FORMATS)
+ conf.input_datefmt = 1;
+ return 1;
+ }
+ else
+ return 0;
+ }
+
+ if (!strcmp(key, "notify-daemon_enable"))
+ return config_parse_bool (&dmon.enable, value);
+
+ if (!strcmp(key, "notify-daemon_log"))
+ return config_parse_bool (&dmon.log, value);
+
+ return -1;
+}
+
+/* Load the user configuration. */
+void
+config_load (void)
+{
+ FILE *data_file;
+ char *mesg_line1 = _("Failed to open config file");
+ char *mesg_line2 = _("Press [ENTER] to continue");
+ char buf[BUFSIZ], e_conf[BUFSIZ];
+ char *key, *value;
+ int result;
+
+ data_file = fopen (path_conf, "r");
+ if (data_file == NULL)
+ {
+ status_mesg (mesg_line1, mesg_line2);
+ wnoutrefresh (win[STA].p);
+ wins_doupdate ();
+ keys_getch (win[STA].p, NULL);
+ }
+
+ pthread_mutex_lock (&nbar.mutex);
+ for (;;)
+ {
+ if (fgets (buf, sizeof buf, data_file) == NULL)
+ break;
+ io_extract_data (e_conf, buf, sizeof buf);
+
+ if (*e_conf == '\0')
+ continue;
+
+ key = e_conf;
+ value = strchr (e_conf, '=');
+ if (value)
+ {
+ *value = '\0';
+ value++;
+ }
+
+ if (value && (*value == '\0' || *value == '\n'))
+ {
+ /* Backward compatibility mode. */
+ if (fgets (buf, sizeof buf, data_file) == NULL)
+ break;
+ io_extract_data (e_conf, buf, sizeof buf);
+ value = e_conf;
+ }
+
+ result = config_set_conf (key, value);
+ if (result < 0)
+ EXIT (_("configuration variable unknown: \"%s\""), key);
+ /* NOTREACHED */
+ else if (result == 0)
+ EXIT (_("wrong configuration variable format for \"%s\""), key);
+ /* NOTREACHED */
+ }
+ file_close (data_file, __FILE_POS__);
+ pthread_mutex_unlock (&nbar.mutex);
+}
+
+/*
+ * Return a string defining the color theme in the form:
+ * foreground color 'on' background color
+ * in order to dump this data in the configuration file.
+ * Color numbers follow the ncurses library definitions.
+ * If ncurses library was compiled with --enable-ext-funcs,
+ * then default color is -1.
+ */
+void
+config_color_theme_name (char *theme_name)
+{
+#define MAXCOLORS 8
+#define NBCOLORS 2
+#define DEFAULTCOLOR 255
+#define DEFAULTCOLOR_EXT -1
+
+ int i;
+ short color[NBCOLORS];
+ char *color_name[NBCOLORS];
+ char *default_color = "default";
+ char *name[MAXCOLORS] = {
+ "black",
+ "red",
+ "green",
+ "yellow",
+ "blue",
+ "magenta",
+ "cyan",
+ "white"
+ };
+
+ if (!colorize)
+ strncpy (theme_name, "0", BUFSIZ);
+ else
+ {
+ pair_content (COLR_CUSTOM, &color[0], &color[1]);
+ for (i = 0; i < NBCOLORS; i++)
+ {
+ if ((color[i] == DEFAULTCOLOR) || (color[i] == DEFAULTCOLOR_EXT))
+ color_name[i] = default_color;
+ else if (color[i] >= 0 && color[i] <= MAXCOLORS)
+ color_name[i] = name[color[i]];
+ else
+ {
+ EXIT (_("unknown color"));
+ /* NOTREACHED */
+ }
+ }
+ snprintf (theme_name, BUFSIZ, "%s on %s", color_name[0], color_name[1]);
+ }
+}
+
+
+/* Save the user configuration. */
+unsigned
+config_save (void)
+{
+ char *config_txt =
+ "#\n"
+ "# Calcurse configuration file\n#\n"
+ "# This file sets the configuration options used by Calcurse. These\n"
+ "# options are usually set from within Calcurse. A line beginning with \n"
+ "# a space or tab is considered to be a continuation of the previous "
+ "line.\n"
+ "# For a variable to be unset its value must be blank, followed by an\n"
+ "# empty line. To set a variable to the empty string its value should be "
+ "\"\".\n"
+ "# Lines beginning with \"#\" are comments, and ignored by Calcurse.\n";
+ char theme_name[BUFSIZ];
+ FILE *fp;
+
+ if ((fp = fopen (path_conf, "w")) == NULL)
+ return 0;
+
+ config_color_theme_name (theme_name);
+
+ fprintf (fp, "%s\n", config_txt);
+
+ fputs ("# If this option is set to yes, "
+ "automatic save is done when quitting\n", fp);
+ fputs ("auto_save=", fp);
+ fprintf (fp, "%s\n", (conf.auto_save) ? "yes" : "no");
+
+ fputs ("\n# If this option is set to yes, "
+ "the GC is run automatically when quitting\n", fp);
+ fputs ("auto_gc=", fp);
+ fprintf (fp, "%s\n", (conf.auto_gc) ? "yes" : "no");
+
+ fputs ("\n# If not null, perform automatic saves every "
+ "'periodic_save' minutes\n", fp);
+ fputs ("periodic_save=", fp);
+ fprintf (fp, "%d\n", conf.periodic_save);
+
+ fputs ("\n# If this option is set to yes, "
+ "confirmation is required before quitting\n", fp);
+ fputs ("confirm_quit=", fp);
+ fprintf (fp, "%s\n", (conf.confirm_quit) ? "yes" : "no");
+
+ fputs ("\n# If this option is set to yes, "
+ "confirmation is required before deleting an event\n", fp);
+ fputs ("confirm_delete=", fp);
+ fprintf (fp, "%s\n", (conf.confirm_delete) ? "yes" : "no");
+
+ fputs ("\n# If this option is set to yes, messages about loaded and "
+ "saved data will not be displayed\n", fp);
+ fputs ("skip_system_dialogs=", fp);
+ fprintf (fp, "%s\n", (conf.skip_system_dialogs) ? "yes" : "no");
+
+ fputs ("\n# If this option is set to yes, progress bar appearing "
+ "when saving data will not be displayed\n", fp);
+ fputs ("skip_progress_bar=", fp);
+ fprintf (fp, "%s\n", (conf.skip_progress_bar) ? "yes" : "no");
+
+ fputs ("\n# Default calendar view (0)monthly (1)weekly:\n", fp);
+ fputs ("calendar_default_view=", fp);
+ fprintf (fp, "%d\n", calendar_get_view ());
+
+ fputs ("\n# If this option is set to yes, "
+ "monday is the first day of the week, else it is sunday\n", fp);
+ fputs ("week_begins_on_monday=", fp);
+ fprintf (fp, "%s\n", (calendar_week_begins_on_monday ())? "yes" : "no");
+
+ fputs ("\n# This is the color theme used for menus :\n", fp);
+ fputs ("color-theme=", fp);
+ fprintf (fp, "%s\n", theme_name);
+
+ fputs ("\n# This is the layout of the calendar :\n", fp);
+ fputs ("layout=", fp);
+ fprintf (fp, "%d\n", wins_layout ());
+
+ fputs ("\n# Width ( percentage, 0 being minimun width, fp) "
+ "of the side bar :\n", fp);
+ fputs ("side-bar_width=", fp);
+ fprintf (fp, "%d\n", wins_sbar_wperc ());
+
+ if (ui_mode == UI_CURSES)
+ pthread_mutex_lock (&nbar.mutex);
+ fputs ("\n# If this option is set to yes, "
+ "notify-bar will be displayed :\n", fp);
+ fputs ("notify-bar_show=", fp);
+ fprintf (fp, "%s\n", (nbar.show) ? "yes" : "no");
+
+ fputs ("\n# Format of the date to be displayed inside notify-bar :\n", fp);
+ fputs ("notify-bar_date=", fp);
+ fprintf (fp, "%s\n", nbar.datefmt);
+
+ fputs ("\n# Format of the time to be displayed inside notify-bar :\n", fp);
+ fputs ("notify-bar_clock=", fp);
+ fprintf (fp, "%s\n", nbar.timefmt);
+
+ fputs ("\n# Warn user if he has an appointment within next "
+ "'notify-bar_warning' seconds :\n", fp);
+ fputs ("notify-bar_warning=", fp);
+ fprintf (fp, "%d\n", nbar.cntdwn);
+
+ fputs ("\n# Command used to notify user of "
+ "an upcoming appointment :\n", fp);
+ fputs ("notify-bar_command=", fp);
+ fprintf (fp, "%s\n", nbar.cmd);
+
+ fputs ("\n# Notify all appointments instead of flagged ones only\n", fp);
+ fputs ("notify-all=", fp);
+ fprintf (fp, "%s\n", (nbar.notify_all) ? "yes" : "no");
+
+ fputs ("\n# Format of the date to be displayed "
+ "in non-interactive mode :\n", fp);
+ fputs ("output_datefmt=", fp);
+ fprintf (fp, "%s\n", conf.output_datefmt);
+
+ fputs ("\n# Format to be used when entering a date "
+ "(1)mm/dd/yyyy (2)dd/mm/yyyy (3)yyyy/mm/dd) "
+ "(4)yyyy-mm-dd:\n", fp);
+ fputs ("input_datefmt=", fp);
+ fprintf (fp, "%d\n", conf.input_datefmt);
+
+ if (ui_mode == UI_CURSES)
+ pthread_mutex_unlock (&nbar.mutex);
+
+ fputs ("\n# If this option is set to yes, "
+ "calcurse will run in background to get notifications "
+ "after exiting\n", fp);
+ fputs ("notify-daemon_enable=", fp);
+ fprintf (fp, "%s\n", dmon.enable ? "yes" : "no");
+
+ fputs ("\n# If this option is set to yes, "
+ "activity will be logged when running in background\n", fp);
+ fputs ("notify-daemon_log=", fp);
+ fprintf (fp, "%s\n", dmon.log ? "yes" : "no");
+
+ file_close (fp, __FILE_POS__);
+
+ return 1;
+}
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