/*
* Calcurse - text-based organizer
*
* Copyright (c) 2004-2017 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 <unistd.h>
#include "calcurse.h"
typedef int (*config_fn_parse_t) (void *, const char *);
typedef int (*config_fn_serialize_t) (char **, void *);
struct confvar {
const char *key;
config_fn_parse_t fn_parse;
config_fn_serialize_t fn_serialize;
void *target;
};
static int config_parse_bool(unsigned *, const char *);
static int config_serialize_bool(char **, unsigned *);
static int config_parse_int(int *, const char *);
static int config_serialize_int(char **, int *);
static int config_parse_unsigned(unsigned *, const char *);
static int config_serialize_unsigned(char **, unsigned *);
static int config_parse_str(char *, const char *);
static int config_serialize_str(char **, const char *);
static int config_parse_calendar_view(void *, const char *);
static int config_serialize_calendar_view(char **, void *);
static int config_parse_todo_view(void *, const char *);
static int config_serialize_todo_view(char **, void *);
static int config_parse_default_panel(void *, const char *);
static int config_serialize_default_panel(char **, void *);
static int config_parse_first_day_of_week(void *, const char *);
static int config_serialize_first_day_of_week(char **, void *);
static int config_parse_color_theme(void *, const char *);
static int config_serialize_color_theme(char **, void *);
static int config_parse_layout(void *, const char *);
static int config_serialize_layout(char **, void *);
static int config_parse_sidebar_width(void *, const char *);
static int config_serialize_sidebar_width(char **, void *);
static int config_parse_output_datefmt(void *, const char *);
static int config_serialize_output_datefmt(char **, void *);
static int config_parse_input_datefmt(void *, const char *);
static int config_serialize_input_datefmt(char **, void *);
static int config_parse_notifyall(void *, const char *);
static int config_serialize_notifyall(char **, void *);
static int config_parse_heading_pos(void *, const char *);
static int config_serialize_heading_pos(char **, void *);
#define CONFIG_HANDLER_BOOL(var) (config_fn_parse_t) config_parse_bool, \
(config_fn_serialize_t) config_serialize_bool, &(var)
#define CONFIG_HANDLER_INT(var) (config_fn_parse_t) config_parse_int, \
(config_fn_serialize_t) config_serialize_int, &(var)
#define CONFIG_HANDLER_UNSIGNED(var) (config_fn_parse_t) config_parse_unsigned, \
(config_fn_serialize_t) config_serialize_unsigned, &(var)
#define CONFIG_HANDLER_STR(var) (config_fn_parse_t) config_parse_str, \
(config_fn_serialize_t) config_serialize_str, &(var)
static const struct confvar confmap[] = {
{"appearance.calendarview", config_parse_calendar_view, config_serialize_calendar_view, NULL},
{"appearance.compactpanels", CONFIG_HANDLER_BOOL(conf.compact_panels)},
{"appearance.defaultpanel", config_parse_default_panel, config_serialize_default_panel, NULL},
{"appearance.layout", config_parse_layout, config_serialize_layout, NULL},
{"appearance.notifybar", CONFIG_HANDLER_BOOL(nbar.show)},
{"appearance.sidebarwidth", config_parse_sidebar_width, config_serialize_sidebar_width, NULL},
{"appearance.theme", config_parse_color_theme, config_serialize_color_theme, NULL},
{"appearance.todoview", config_parse_todo_view, config_serialize_todo_view, NULL},
{"appearance.headingpos", config_parse_heading_pos, config_serialize_heading_pos, NULL},
{"daemon.enable", CONFIG_HANDLER_BOOL(dmon.enable)},
{"daemon.log", CONFIG_HANDLER_BOOL(dmon.log)},
{"format.inputdate", config_parse_input_datefmt, config_serialize_input_datefmt, NULL},
{"format.notifydate", CONFIG_HANDLER_STR(nbar.datefmt)},
{"format.notifytime", CONFIG_HANDLER_STR(nbar.timefmt)},
{"format.outputdate", config_parse_output_datefmt, config_serialize_output_datefmt, NULL},
{"format.dayheading", CONFIG_HANDLER_STR(conf.day_heading)},
{"general.autogc", CONFIG_HANDLER_BOOL(conf.auto_gc)},
{"general.autosave", CONFIG_HANDLER_BOOL(conf.auto_save)},
{"general.confirmdelete", CONFIG_HANDLER_BOOL(conf.confirm_delete)},
{"general.confirmquit", CONFIG_HANDLER_BOOL(conf.confirm_quit)},
{"general.firstdayofweek", config_parse_first_day_of_week, config_serialize_first_day_of_week, NULL},
{"general.periodicsave", CONFIG_HANDLER_UNSIGNED(conf.periodic_save)},
{"general.systemevents", CONFIG_HANDLER_BOOL(conf.systemevents)},
{"general.systemdialogs", CONFIG_HANDLER_BOOL(conf.system_dialogs)},
{"notification.command", CONFIG_HANDLER_STR(nbar.cmd)},
{"notification.notifyall", config_parse_notifyall, config_serialize_notifyall, NULL},
{"notification.warning", CONFIG_HANDLER_INT(nbar.cntdwn)}
};
struct config_save_status {
FILE *fp;
int done[ARRAY_SIZE(confmap)];
};
typedef int (*config_fn_walk_cb_t) (const char *, const char *, void *);
typedef int (*config_fn_walk_junk_cb_t) (const char *, void *);
static int config_parse_bool(unsigned *dest, const char *val)
{
if (strcmp(val, "yes") == 0)
*dest = 1;
else if (strcmp(val, "no") == 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)
{
char *cp = (char *)val;
if (*val == '+' || *val == '-')
cp++;
/* Test for empty string before checking for digits only. */
if (*cp && is_all_digit(cp))
*dest = atoi(val);
else
return 0;
return 1;
}
static int config_parse_str(char *dest, const char *val)
{
int len = strlen(val);
if (len >= BUFSIZ)
return 0;
memcpy(dest, val, len + 1);
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));
}
static int config_parse_calendar_view(void *dummy, const char *val)
{
if (!strcmp(val, "monthly"))
ui_calendar_set_view(CAL_MONTH_VIEW);
else if (!strcmp(val, "weekly"))
ui_calendar_set_view(CAL_WEEK_VIEW);
else
return 0;
return 1;
}
static int config_parse_todo_view(void *dummy, const char *val)
{
if (!strcmp(val, "show-completed"))
ui_todo_set_view(TODO_SHOW_COMPLETED_VIEW);
else if (!strcmp(val, "hide-completed"))
ui_todo_set_view(TODO_HIDE_COMPLETED_VIEW);
else
return 0;
return 1;
}
static int config_parse_default_panel(void *dummy, const char *val)
{
if (!strcmp(val, "calendar"))
conf.default_panel = CAL;
else if (!strcmp(val, "appointments"))
conf.default_panel = APP;
else if (!strcmp(val, "todo"))
conf.default_panel = TOD;
else
return 0;
return 1;
}
static int config_parse_first_day_of_week(void *dummy, const char *val)
{
if (!strcmp(val, "monday"))
ui_calendar_set_first_day_of_week(MONDAY);
else if (!strcmp(val, "sunday"))
ui_calendar_set_first_day_of_week(SUNDAY);
else
return 0;
return 1;
}
static int config_parse_color_theme(void *dummy, const char *val)
{
int color1, color2;
if (!strcmp(val, "0") || !strcmp(val, "none")) {
colorize = 0;
return 1;
}
if (!config_parse_color_pair(&color1, &color2, val))
return 0;
init_pair(COLR_CUSTOM, color1, color2);
custom_init_attr();
return 1;
}
static int config_parse_layout(void *dummy, const char *val)
{
wins_set_layout(atoi(val));
return 1;
}
static int config_parse_sidebar_width(void *dummy, const char *val)
{
wins_set_sbar_width(atoi(val));
return 1;
}
static int config_parse_output_datefmt(void *dummy, const char *val)
{
if (val[0] != '\0')
return config_parse_str(conf.output_datefmt, val);
return 1;
}
static int config_parse_input_datefmt(void *dummy, const char *val)
{
if (config_parse_int(&conf.input_datefmt, val)) {
if (conf.input_datefmt <= 0
|| conf.input_datefmt > DATE_FORMATS)
conf.input_datefmt = 1;
return 1;
} else {
return 0;
}
}
static int config_parse_notifyall(void *dummy, const char *val)
{
if (strcmp(val, "flagged-only") == 0)
nbar.notify_all = NOTIFY_FLAGGED_ONLY;
else if (strcmp(val, "unflagged-only") == 0)
nbar.notify_all = NOTIFY_UNFLAGGED_ONLY;
else if (strcmp(val, "all") == 0)
nbar.notify_all = NOTIFY_ALL;
else
return config_parse_bool(&nbar.notify_all, val);
return 1;
}
static int config_parse_heading_pos(void *dummy, const char *val)
{
if (!strcmp(val, "left-justified"))
conf.heading_pos = LEFT;
else if (!strcmp(val, "centered"))
conf.heading_pos = CENTER;
else if (!strcmp(val, "right-justified"))
conf.heading_pos = RIGHT;
else
return 0;
return 1;
}
/* Set a configuration variable. */
static int config_set_conf(const char *key, const char *value)
{
int i;
if (!key)
return -1;
for (i = 0; i < ARRAY_SIZE(confmap); i++) {
if (!strcmp(confmap[i].key, key))
return confmap[i].fn_parse(confmap[i].target,
value);
}
return -1;
}
static int config_serialize_bool(char **dest, unsigned *val)
{
*dest = mem_strdup(*val ? "yes" : "no");
return 1;
}
static int config_serialize_unsigned(char **dest, unsigned *val)
{
asprintf(dest, "%u", *val);
return 1;
}
static int config_serialize_int(char **dest, int *val)
{
asprintf(dest, "%d", *val);
return 1;
}
static int config_serialize_str(char **dest, const char *val)
{
*dest = mem_strdup(val);
return 1;
}
/*
* 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.
*/
static char *config_color_theme_name(void)
{
#define MAXCOLORS 8
#define NBCOLORS 2
#define DEFAULTCOLOR 255
#define DEFAULTCOLOR_EXT -1
char *theme;
int i;
short color[NBCOLORS];
const char *color_name[NBCOLORS];
const char *default_color = "default";
const char *name[MAXCOLORS] = {
"black",
"red",
"green",
"yellow",
"blue",
"magenta",
"cyan",
"white"
};
if (!colorize) {
return mem_strdup("none");
}
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 */
}
}
asprintf(&theme, "%s on %s", color_name[0], color_name[1]);
return theme;
}
static int config_serialize_calendar_view(char **buf, void *dummy)
{
if (ui_calendar_get_view() == CAL_WEEK_VIEW)
*buf = mem_strdup("weekly");
else
*buf = mem_strdup("monthly");
return 1;
}
static int config_serialize_todo_view(char **buf, void *dummy)
{
if (ui_todo_get_view() == TODO_SHOW_COMPLETED_VIEW)
*buf = mem_strdup("show-completed");
else
*buf = mem_strdup("hide-completed");
return 1;
}
static int config_serialize_default_panel(char **buf, void *dummy)
{
if (conf.default_panel == CAL)
*buf = mem_strdup("calendar");
else if (conf.default_panel == APP)
*buf = mem_strdup("appointments");
else
*buf = mem_strdup("todo");
return 1;
}
static int config_serialize_first_day_of_week(char **buf, void *dummy)
{
if (ui_calendar_week_begins_on_monday())
*buf = mem_strdup("monday");
else
*buf = mem_strdup("sunday");
return 1;
}
static int config_serialize_color_theme(char **buf, void *dummy)
{
*buf = config_color_theme_name();
return 1;
}
static int config_serialize_layout(char **buf, void *dummy)
{
int tmp = wins_layout();
return config_serialize_int(buf, &tmp);
}
static int config_serialize_sidebar_width(char **buf, void *dummy)
{
int tmp = wins_sbar_wperc();
return config_serialize_int(buf, &tmp);
}
static int config_serialize_output_datefmt(char **buf, void *dummy)
{
return config_serialize_str(buf, conf.output_datefmt);
}
static int config_serialize_input_datefmt(char **buf, void *dummy)
{
return config_serialize_int(buf, &conf.input_datefmt);
}
static int config_serialize_notifyall(char **buf, void *dummy)
{
if (nbar.notify_all == NOTIFY_FLAGGED_ONLY)
*buf = mem_strdup("flagged-only");
else if (nbar.notify_all == NOTIFY_UNFLAGGED_ONLY)
*buf = mem_strdup("unflagged-only");
else if (nbar.notify_all == NOTIFY_ALL)
*buf = mem_strdup("all");
else
return 0;
return 1;
}
static int config_serialize_heading_pos(char **buf, void *dummy)
{
if (conf.heading_pos == LEFT)
*buf = mem_strdup("left-justified");
else if (conf.heading_pos == CENTER)
*buf = mem_strdup("centered");
else
*buf = mem_strdup("right-justified");
return 1;
}
/* Serialize the value of a configuration variable. */
static int
config_serialize_conf(char **buf, const char *key,
struct config_save_status *status)
{
int i;
if (!key)
return -1;
for (i = 0; i < ARRAY_SIZE(confmap); i++) {
if (!strcmp(confmap[i].key, key)) {
if (confmap[i].fn_serialize(buf, confmap[i].target)) {
if (status)
status->done[i] = 1;
return 1;
} else {
return 0;
}
}
}
return -1;
}
static void
config_file_walk(config_fn_walk_cb_t fn_cb,
config_fn_walk_junk_cb_t fn_junk_cb, void *data)
{
FILE *data_file;
char buf[BUFSIZ], e_conf[BUFSIZ];
char *key, *value;
data_file = fopen(path_conf, "r");
EXIT_IF(data_file == NULL, _("failed to open configuration file"));
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' || *e_conf == '#') {
if (fn_junk_cb)
fn_junk_cb(buf, data);
continue;
}
key = e_conf;
value = strchr(e_conf, '=');
if (value) {
*value = '\0';
value++;
} else {
EXIT(_("invalid configuration directive: \"%s\""),
e_conf);
}
if (strcmp(key, "auto_save") == 0 ||
strcmp(key, "auto_gc") == 0 ||
strcmp(key, "periodic_save") == 0 ||
strcmp(key, "confirm_quit") == 0 ||
strcmp(key, "confirm_delete") == 0 ||
strcmp(key, "skip_system_dialogs") == 0 ||
strcmp(key, "skip_progress_bar") == 0 ||
strcmp(key, "calendar_default_view") == 0 ||
strcmp(key, "week_begins_on_monday") == 0 ||
strcmp(key, "color-theme") == 0 ||
strcmp(key, "layout") == 0 ||
strcmp(key, "side-bar_width") == 0 ||
strcmp(key, "notify-bar_show") == 0 ||
strcmp(key, "notify-bar_date") == 0 ||
strcmp(key, "notify-bar_clock") == 0 ||
strcmp(key, "notify-bar_warning") == 0 ||
strcmp(key, "notify-bar_command") == 0 ||
strcmp(key, "notify-all") == 0 ||
strcmp(key, "output_datefmt") == 0 ||
strcmp(key, "input_datefmt") == 0 ||
strcmp(key, "notify-daemon_enable") == 0 ||
strcmp(key, "notify-daemon_log") == 0) {
WARN_MSG(_("Pre-3.0.0 configuration file format detected, "
"please upgrade running `calcurse-upgrade`."));
}
/*
* Backwards compatibility for removed configuration options:
* ignored on load, omitted on save.
*/
if (strcmp(key, "general.progressbar") == 0)
continue;
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);
if (*e_conf == '#')
*e_conf = '\0';
value = e_conf;
}
fn_cb(key, value, data);
}
file_close(data_file, __FILE_POS__);
pthread_mutex_unlock(&nbar.mutex);
}
static int config_load_cb(const char *key, const char *value, void *dummy)
{
int 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 */
}
return 1;
}
/* Load the user configuration. */
void config_load(void)
{
config_file_walk(config_load_cb, NULL, NULL);
}
static int config_save_cb(const char *key, const char *value, void *status)
{
char *buf;
int result =
config_serialize_conf(&buf, key,
(struct config_save_status *)status);
if (result < 0) {
EXIT(_("configuration variable unknown: \"%s\""), key);
/* NOTREACHED */
} else if (result == 0) {
EXIT(_("wrong configuration variable format for \"%s\""),
key);
/* NOTREACHED */
}
fputs(key, ((struct config_save_status *)status)->fp);
fputc('=', ((struct config_save_status *)status)->fp);
fputs(buf, ((struct config_save_status *)status)->fp);
fputc('\n', ((struct config_save_status *)status)->fp);
mem_free(buf);
return 1;
}
static int config_save_junk_cb(const char *data, void *status)
{
fputs(data, ((struct config_save_status *)status)->fp);
return 1;
}
/* Save the user configuration. */
unsigned config_save(void)
{
char *tmpprefix = NULL, *tmppath = NULL;
struct config_save_status status;
int i;
int ret = 0;
if (read_only)
return 1;
asprintf(&tmpprefix, "%s/%s", get_tempdir(), CONF_PATH_NAME);
if ((tmppath = new_tempfile(tmpprefix)) == NULL)
goto cleanup;
status.fp = fopen(tmppath, "w");
if (!status.fp)
goto cleanup;
memset(status.done, 0, sizeof(status.done));
config_file_walk(config_save_cb, config_save_junk_cb,
(void *)&status);
/* Set variables that were missing from the configuration file. */
for (i = 0; i < ARRAY_SIZE(confmap); i++) {
if (!status.done[i])
config_save_cb(confmap[i].key, NULL, &status);
}
file_close(status.fp, __FILE_POS__);
if (io_file_cp(tmppath, path_conf))
unlink(tmppath);
ret = 1;
cleanup:
mem_free(tmpprefix);
mem_free(tmppath);
return ret;
}