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|
/* $calcurse: args.c,v 1.44 2009/01/03 21:32:11 culot Exp $ */
/*
* Calcurse - text-based organizer
* Copyright (c) 2004-2009 Frederic Culot
*
* 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., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*
* Send your feedback or comments to : calcurse@culot.org
* Calcurse home page : http://culot.org/calcurse
*
*/
#include <stdlib.h>
#include <string.h>
#include <ctype.h>
#include <sys/types.h>
#include <getopt.h>
#include <time.h>
#include "i18n.h"
#include "custom.h"
#include "utils.h"
#include "args.h"
#include "event.h"
#include "apoint.h"
#include "day.h"
#include "todo.h"
#include "mem.h"
#include "io.h"
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif /* HAVE_CONFIG_H */
/*
* Print Calcurse usage and exit.
*/
static void
usage ()
{
char *arg_usage =
_("Usage: calcurse [-h|-v] [-N] [-an] [-t[num]] [-i<file>] [-x[format]]\n"
" [-d <date>|<num>] [-s[date]] [-r[range]]\n"
" [-c<file> | -D<dir>]\n");
fputs (arg_usage, stdout);
}
static void
usage_try ()
{
char *arg_usage_try = _("Try 'calcurse -h' for more information.\n");
fputs (arg_usage_try, stdout);
}
/*
* Print Calcurse version with a short copyright text and exit.
*/
static void
version_arg ()
{
char vtitle[BUFSIZ];
char *vtext =
_("\nCopyright (c) 2004-2008 Frederic Culot.\n"
"This is free software; see the source for copying conditions.\n");
(void)snprintf (vtitle, BUFSIZ, _("Calcurse %s - text-based organizer\n"),
VERSION);
fputs (vtitle, stdout);
fputs (vtext, stdout);
}
/*
* Print the command line options and exit.
*/
static void
help_arg ()
{
char htitle[BUFSIZ];
char *htext =
_("\nMiscellaneous:\n"
" -h, --help\n"
" print this help and exit.\n"
"\n -v, --version\n"
" print calcurse version and exit.\n"
"\nFiles:\n"
" -c <file>, --calendar <file>\n"
" specify the calendar <file> to use (incompatible with '-D').\n"
"\n -D <dir>, --directory <dir>\n"
" specify the data directory to use (incompatible with '-c').\n"
"\tIf not specified, the default directory is ~/.calcurse\n"
"\nNon-interactive:\n"
" -a, --appointment\n"
" print events and appointments for current day and exit.\n"
"\n -d <date|num>, --day <date|num>\n"
" print events and appointments for <date> or <num> upcoming days and"
"\n\texit. To specify both a starting date and a range, use the\n"
"\t'--startday' and the '--range' option.\n"
"\n -i <file>, --import <file>\n"
" import the icalendar data contained in <file>. \n"
"\n -n, --next\n"
" print next appointment within upcoming 24 hours "
"and exit. Also given\n\tis the remaining time before this "
"next appointment.\n"
"\n -N, --note\n"
" when used with the '-a' or '-t' flag, also print note content\n"
" if one is associated with the displayed item.\n"
"\n -r[num], --range[=num]\n"
" print events and appointments for the [num] number of days"
"\n\tand exit. If no [num] is given, a range of 1 day is considered.\n"
"\n -s[date], --startday[=date]\n"
" print events and appointments from [date] and exit.\n"
"\tIf no [date] is given, the current day is considered.\n"
"\n -t[num], --todo[=num]\n"
" print todo list and exit. If the optional number [num] is given,\n"
"\tthen only todos having a priority equal to [num] will be returned.\n"
"\tnote: priority number must be between 1 (highest) and 9 (lowest).\n"
"\n -x[format], --export[=format]\n"
" export user data to the specified format. Events, appointments and\n"
"\ttodos are converted and echoed to stdout.\n"
"\tTwo possible formats are available: 'ical' and 'pcal'.\n"
"\tIf the optional argument format is not given, ical format is\n"
"\tselected by default.\n"
"\tnote: redirect standard output to export data to a file,\n"
"\tby issuing a command such as: calcurse --export > calcurse.dat\n"
"\nFor more information, type '?' from within Calcurse, "
"or read the manpage.\n"
"Mail bug reports and suggestions to <calcurse@culot.org>.\n");
(void)snprintf (htitle, BUFSIZ, _("Calcurse %s - text-based organizer\n"),
VERSION);
fputs (htitle, stdout);
usage ();
fputs (htext, stdout);
}
/*
* Display note contents if one is asociated with the currently displayed item
* (to be used together with the '-a' or '-t' flag in non-interactive mode).
* Each line begins with nbtab tabs.
* Print "No note file found", if the notefile does not exists.
*
* (patch submitted by Erik Saule).
*/
static void
print_notefile (FILE *out, char *filename, int nbtab)
{
char path_to_notefile[BUFSIZ];
FILE *notefile;
char linestarter[BUFSIZ] = "";
char buffer[BUFSIZ];
int i;
int printlinestarter = 1;
for (i = 0; i < nbtab; i++)
(void)snprintf(linestarter, BUFSIZ, "%s\t", linestarter);
(void)snprintf (path_to_notefile, BUFSIZ, "%s/%s", path_notes, filename);
notefile = fopen (path_to_notefile, "r");
if (notefile)
{
while (fgets (buffer, BUFSIZ, notefile) != 0)
{
if (printlinestarter)
{
fputs (linestarter, out);
printlinestarter = 0;
}
fputs (buffer, out);
if (buffer[strlen (buffer) - 1] == '\n')
printlinestarter = 1;
}
fputs ("\n", out);
file_close (notefile, __FILE_POS__);
}
else
{
fputs (linestarter, out);
fputs (_("No note file found\n"), out);
}
}
/*
* Print todo list and exit. If a priority number is given (say not equal to
* zero), then only todo items that have this priority will be displayed.
*/
static void
todo_arg (int priority, int print_note)
{
struct todo_s *i;
int title = 1;
char priority_str[BUFSIZ] = "";
io_load_todo ();
for (i = todolist; i != 0; i = i->next)
{
if (priority == 0 || i->id == priority)
{
if (title)
{
fputs (_("to do:\n"), stdout);
title = 0;
}
(void)snprintf (priority_str, BUFSIZ, "%d. ", i->id);
fputs (priority_str, stdout);
fputs (i->mesg, stdout);
fputs ("\n", stdout);
if (print_note && i->note)
print_notefile (stdout, i->note, 1);
}
}
}
/* Print the next appointment within the upcoming 24 hours. */
static void
next_arg (void)
{
struct notify_app_s next_app;
const long current_time = now ();
int time_left, hours_left, min_left;
char mesg[BUFSIZ];
next_app.time = current_time + DAYINSEC;
next_app.got_app = 0;
next_app.txt = NULL;
next_app = *recur_apoint_check_next (&next_app, current_time, get_today ());
next_app = *apoint_check_next (&next_app, current_time);
if (next_app.got_app)
{
time_left = next_app.time - current_time;
hours_left = (time_left / HOURINSEC);
min_left = (time_left - hours_left * HOURINSEC) / MININSEC;
fputs (_("next appointment:\n"), stdout);
(void)snprintf (mesg, BUFSIZ, " [%02d:%02d] %s\n", hours_left, min_left,
next_app.txt);
fputs (mesg, stdout);
mem_free (next_app.txt);
}
}
/*
* Print the date on stdout.
*/
static void
arg_print_date (long date, conf_t *conf)
{
char date_str[BUFSIZ];
time_t t;
struct tm *lt;
t = date;
lt = localtime (&t);
strftime (date_str, BUFSIZ, conf->output_datefmt, lt);
fputs (date_str, stdout);
fputs (":\n", stdout);
}
/*
* Print appointments for given day and exit.
* If no day is given, the given date is used.
* If there is also no date given, current date is considered.
*/
static int
app_arg (int add_line, date_t *day, long date, int print_note, conf_t *conf)
{
struct recur_event_s *re;
struct event_s *j;
recur_apoint_llist_node_t *ra;
apoint_llist_node_t *i;
long today;
bool print_date = true;
int app_found = 0;
char apoint_start_time[100];
char apoint_end_time[100];
if (date == 0)
today = get_sec_date (*day);
else
today = date;
/*
* Calculate and print the selected date if there is an event for
* that date and it is the first one, and then print all the events for
* that date.
*/
for (re = recur_elist; re != 0; re = re->next)
{
if (recur_item_inday (re->day, re->exc, re->rpt->type, re->rpt->freq,
re->rpt->until, today))
{
app_found = 1;
if (add_line)
{
fputs ("\n", stdout);
add_line = 0;
}
if (print_date)
{
arg_print_date (today, conf);
print_date = false;
}
fputs (" * ", stdout);
fputs (re->mesg, stdout);
fputs ("\n", stdout);
if (print_note && re->note)
print_notefile (stdout, re->note, 2);
}
}
for (j = eventlist; j != 0; j = j->next)
{
if (event_inday (j, today))
{
app_found = 1;
if (add_line)
{
fputs ("\n", stdout);
add_line = 0;
}
if (print_date)
{
arg_print_date (today, conf);
print_date = false;
}
fputs (" * ", stdout);
fputs (j->mesg, stdout);
fputs ("\n", stdout);
if (print_note && j->note)
print_notefile (stdout, j->note, 2);
}
}
/* Same process is performed but this time on the appointments. */
pthread_mutex_lock (&(recur_alist_p->mutex));
for (ra = recur_alist_p->root; ra != 0; ra = ra->next)
{
if (recur_item_inday (ra->start, ra->exc, ra->rpt->type, ra->rpt->freq,
ra->rpt->until, today))
{
app_found = 1;
if (add_line)
{
fputs ("\n", stdout);
add_line = 0;
}
if (print_date)
{
arg_print_date (today, conf);
print_date = false;
}
apoint_sec2str (apoint_recur_s2apoint_s (ra), RECUR_APPT, today,
apoint_start_time, apoint_end_time);
fputs (" - ", stdout);
fputs (apoint_start_time, stdout);
fputs (" -> ", stdout);
fputs (apoint_end_time, stdout);
fputs ("\n\t", stdout);
fputs (ra->mesg, stdout);
fputs ("\n", stdout);
if (print_note && ra->note)
print_notefile (stdout, ra->note, 2);
}
}
pthread_mutex_unlock (&(recur_alist_p->mutex));
pthread_mutex_lock (&(alist_p->mutex));
for (i = alist_p->root; i != 0; i = i->next)
{
if (apoint_inday (i, today))
{
app_found = 1;
if (add_line)
{
fputs ("\n", stdout);
add_line = 0;
}
if (print_date)
{
arg_print_date (today, conf);
print_date = false;
}
apoint_sec2str (i, APPT, today, apoint_start_time, apoint_end_time);
fputs (" - ", stdout);
fputs (apoint_start_time, stdout);
fputs (" -> ", stdout);
fputs (apoint_end_time, stdout);
fputs ("\n\t", stdout);
fputs (i->mesg, stdout);
fputs ("\n", stdout);
if (print_note && i->note)
print_notefile (stdout, i->note, 2);
}
}
pthread_mutex_unlock (&(alist_p->mutex));
return (app_found);
}
static void
more_info (void)
{
fputs (_("\nFor more information, type '?' from within Calcurse, "
"or read the manpage.\n"), stdout);
fputs (_("Mail bug reports and suggestions to "
"<calcurse@culot.org>.\n"), stdout);
}
/*
* For a given date, print appointments for each day
* in the chosen interval. app_found and add_line are used
* to format the output correctly.
*/
static void
display_app (struct tm *t, int numdays, int add_line, int print_note,
conf_t *conf)
{
int i, app_found;
date_t day;
for (i = 0; i < numdays; i++)
{
day.dd = t->tm_mday;
day.mm = t->tm_mon + 1;
day.yyyy = t->tm_year + 1900;
app_found = app_arg (add_line, &day, 0, print_note, conf);
if (app_found)
add_line = 1;
t->tm_mday++;
(void)mktime (t);
}
}
/*
* Print appointment for the given date or for the given n upcoming
* days.
*/
static void
date_arg (char *ddate, int add_line, int print_note, conf_t *conf)
{
int i;
date_t day;
int numdays = 0, num_digit = 0;
int arg_len = 0, app_found = 0;
static struct tm t;
time_t timer;
/*
* Check (with the argument length) if a date or a number of days
* was entered, and then call app_arg() to print appointments
*/
arg_len = strlen (ddate);
if (arg_len <= 4)
{ /* a number of days was entered */
for (i = 0; i <= arg_len - 1; i++)
{
if (isdigit (ddate[i]))
num_digit++;
}
if (num_digit == arg_len)
numdays = atoi (ddate);
/*
* Get current date, and print appointments for each day
* in the chosen interval. app_found and add_line are used
* to format the output correctly.
*/
timer = time (NULL);
t = *localtime (&timer);
display_app (&t, numdays, add_line, print_note, conf);
}
else
{ /* a date was entered */
if (parse_date (ddate, conf->input_datefmt, (int *)&day.yyyy,
(int *)&day.mm, (int *)&day.dd))
{
app_found = app_arg (add_line, &day, 0, print_note, conf);
}
else
{
char outstr[BUFSIZ];
fputs (_("Argument to the '-d' flag is not valid\n"), stderr);
(void)snprintf (outstr, BUFSIZ,
"Possible argument format are: '%s' or 'n'\n",
DATEFMT_DESC (conf->input_datefmt));
fputs (_(outstr), stdout);
more_info ();
}
}
}
/*
* Print appointment from the given date 'startday' for the 'range' upcoming
* days.
* If no starday is given (NULL), today is considered
* If no range is given (NULL), 1 day is considered
*
* Many thanks to Erik Saule for providing this function.
*/
static void
date_arg_extended (char *startday, char *range, int add_line, int print_note,
conf_t *conf)
{
int i, numdays = 1, error = 0, arg_len = 0;
static struct tm t;
time_t timer;
/*
* Check arguments and extract information
*/
if (range != NULL)
{
arg_len = strlen (range);
for (i = 0; i <= arg_len - 1; i++)
{
if (!isdigit (range[i]))
error = 1;
}
if (!error)
numdays = atoi (range);
}
timer = time (NULL);
t = *localtime (&timer);
if (startday != NULL)
{
if (parse_date (startday, conf->input_datefmt, (int *)&t.tm_year,
(int *)&t.tm_mon, (int *)&t.tm_mday))
{
t.tm_year -= 1900;
t.tm_mon--;
(void)mktime (&t);
}
else
{
error = 1;
}
}
if (!error)
{
display_app (&t, numdays, add_line, print_note, conf);
}
else
{
char outstr[BUFSIZ];
fputs (_("Argument is not valid\n"), stderr);
(void)snprintf (outstr, BUFSIZ,
"Argument format for -s and --startday is: '%s'\n",
DATEFMT_DESC (conf->input_datefmt));
fputs (_(outstr), stdout);
fputs (_("Argument format for -r and --range is: 'n'\n"), stdout);
more_info ();
}
}
/*
* Parse the command-line arguments and call the appropriate
* routines to handle those arguments. Also initialize the data paths.
*/
int
parse_args (int argc, char **argv, conf_t *conf)
{
int ch, add_line = 0;
int unknown_flag = 0, app_found = 0;
/* Command-line flags */
int aflag = 0; /* -a: print appointments for current day */
int cflag = 0; /* -c: specify the calendar file to use */
int dflag = 0; /* -d: print appointments for a specified days */
int Dflag = 0; /* -D: specify data directory to use */
int hflag = 0; /* -h: print help text */
int iflag = 0; /* -i: import data */
int nflag = 0; /* -n: print next appointment */
int Nflag = 0; /* -N: also print note content with apps and todos */
int rflag = 0; /* -r: specify the range of days to consider */
int sflag = 0; /* -s: specify the first day to consider */
int tflag = 0; /* -t: print todo list */
int vflag = 0; /* -v: print version number */
int xflag = 0; /* -x: export data */
int tnum = 0, xfmt = 0;
int non_interactive = 0, multiple_flag = 0, load_data = 0;
int no_file = 1;
char *ddate = "", *cfile = NULL, *range = NULL, *startday = NULL;
char *datadir = NULL, *ifile = NULL;
static char *optstr = "hvnNax::t::d:c:r:s:D:i:";
struct option longopts[] = {
{"appointment", no_argument, NULL, 'a'},
{"calendar", required_argument, NULL, 'c'},
{"day", required_argument, NULL, 'd'},
{"directory", required_argument, NULL, 'D'},
{"help", no_argument, NULL, 'h'},
{"import", required_argument, NULL, 'i'},
{"next", no_argument, NULL, 'n'},
{"note", no_argument, NULL, 'N'},
{"range", required_argument, NULL, 'r'},
{"startday", required_argument, NULL, 's'},
{"todo", optional_argument, NULL, 't'},
{"version", no_argument, NULL, 'v'},
{"export", optional_argument, NULL, 'x'},
{NULL, no_argument, NULL, 0}
};
while ((ch = getopt_long (argc, argv, optstr, longopts, NULL)) != -1)
{
switch (ch)
{
case 'a':
aflag = 1;
multiple_flag++;
load_data++;
break;
case 'c':
cflag = 1;
multiple_flag++;
load_data++;
cfile = optarg;
break;
case 'd':
dflag = 1;
multiple_flag++;
load_data++;
ddate = optarg;
break;
case 'D':
Dflag = 1;
datadir = optarg;
break;
case 'h':
hflag = 1;
break;
case 'i':
iflag = 1;
multiple_flag++;
load_data++;
ifile = optarg;
break;
case 'n':
nflag = 1;
multiple_flag++;
load_data++;
break;
case 'N':
Nflag = 1;
break;
case 'r':
rflag = 1;
multiple_flag++;
load_data++;
range = optarg;
break;
case 's':
sflag = 1;
multiple_flag++;
load_data++;
startday = optarg;
break;
case 't':
tflag = 1;
multiple_flag++;
load_data++;
add_line = 1;
if (optarg != NULL)
{
tnum = atoi (optarg);
if (tnum < 1 || tnum > 9)
{
usage ();
usage_try ();
return (EXIT_FAILURE);
}
}
else
tnum = 0;
break;
case 'v':
vflag = 1;
break;
case 'x':
xflag = 1;
multiple_flag++;
load_data++;
if (optarg != NULL)
{
if (strcmp (optarg, "ical") == 0)
xfmt = IO_EXPORT_ICAL;
else if (strcmp (optarg, "pcal") == 0)
xfmt = IO_EXPORT_PCAL;
else
{
fputs (_("Argument for '-x' should be either "
"'ical' or 'pcal'\n"), stderr);
usage ();
usage_try ();
return EXIT_FAILURE;
}
}
else
{
xfmt = IO_EXPORT_ICAL;
}
break;
default:
usage ();
usage_try ();
unknown_flag = 1;
non_interactive = 1;
/* NOTREACHED */
}
}
argc -= optind;
argv += optind;
if (argc >= 1)
{
usage ();
usage_try ();
return (EXIT_FAILURE);
/* Incorrect arguments */
}
else if (Dflag && cflag)
{
fputs (_("Options '-D' and '-c' cannot be used at the same time\n"),
stderr);
usage ();
usage_try ();
return (EXIT_FAILURE);
}
else
{
if (unknown_flag)
{
non_interactive = 1;
}
else if (hflag)
{
help_arg ();
non_interactive = 1;
}
else if (vflag)
{
version_arg ();
non_interactive = 1;
}
else if (multiple_flag)
{
if (load_data)
{
io_init (cfile, datadir);
no_file = io_check_data_files ();
if (dflag || aflag || nflag || iflag || xflag || rflag || sflag)
io_load_app ();
}
if (iflag)
{
notify_init_vars ();
vars_init (conf);
custom_load_conf (conf, 0);
io_load_todo ();
io_import_data (IO_IMPORT_ICAL, conf, ifile);
io_save_cal (conf, IO_SAVE_DISPLAY_NONE);
non_interactive = 1;
}
if (xflag)
{
notify_init_vars ();
custom_load_conf (conf, 0);
io_load_todo ();
io_export_data (xfmt, conf);
non_interactive = 1;
return (non_interactive);
}
if (tflag)
{
todo_arg (tnum, Nflag);
non_interactive = 1;
}
if (nflag)
{
next_arg ();
non_interactive = 1;
}
if (dflag || rflag || sflag)
{
notify_init_vars ();
vars_init (conf);
custom_load_conf (conf, 0);
if (dflag)
date_arg (ddate, add_line, Nflag, conf);
if (rflag || sflag)
date_arg_extended (startday, range, add_line, Nflag, conf);
non_interactive = 1;
}
else if (aflag)
{
date_t day;
day.dd = day.mm = day.yyyy = 0;
notify_init_vars ();
vars_init (conf);
custom_load_conf (conf, 0);
app_found = app_arg (add_line, &day, 0, Nflag, conf);
non_interactive = 1;
}
}
else
{
non_interactive = 0;
io_init (cfile, datadir);
no_file = io_check_data_files ();
}
return (non_interactive);
}
}
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