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-rw-r--r--src/calcurse.h2
-rw-r--r--src/ui-calendar.c20
-rw-r--r--src/ui-day.c46
-rw-r--r--src/utils.c91
4 files changed, 125 insertions, 34 deletions
diff --git a/src/calcurse.h b/src/calcurse.h
index bc3bf11..d337145 100644
--- a/src/calcurse.h
+++ b/src/calcurse.h
@@ -1113,6 +1113,7 @@ time_t date2sec(struct date, unsigned, unsigned);
time_t utcdate2sec(struct date, unsigned, unsigned);
char *date_sec2date_str(long, const char *);
void date_sec2date_fmt(long, const char *, char *);
+int date_change(struct tm *, int, int);
long date_sec_change(long, int, int);
long update_time_in_date(long, unsigned, unsigned);
time_t get_sec_date(struct date);
@@ -1131,6 +1132,7 @@ int parse_date(const char *, enum datefmt, int *, int *, int *,
int check_time(unsigned, unsigned);
int parse_time(const char *, unsigned *, unsigned *);
int parse_duration(const char *, unsigned *);
+int parse_date_duration(const char *, unsigned *);
void file_close(FILE *, const char *);
void psleep(unsigned);
int fork_exec(int *, int *, const char *, const char *const *);
diff --git a/src/ui-calendar.c b/src/ui-calendar.c
index 49ccdce..4f61376 100644
--- a/src/ui-calendar.c
+++ b/src/ui-calendar.c
@@ -256,26 +256,6 @@ static long ymd_to_scalar(unsigned year, unsigned month, unsigned day)
return scalar;
}
-/*
- * Used to change date by adding a certain amount of days or weeks.
- * Returns 0 on success, 1 otherwise.
- */
-static int date_change(struct tm *date, int delta_month, int delta_day)
-{
- struct tm t;
-
- t = *date;
- t.tm_mon += delta_month;
- t.tm_mday += delta_day;
-
- if (mktime(&t) == -1) {
- return 1;
- } else {
- *date = t;
- return 0;
- }
-}
-
void ui_calendar_monthly_view_cache_set_invalid(void)
{
monthly_view_cache_valid = 0;
diff --git a/src/ui-day.c b/src/ui-day.c
index 63c5da8..fdb3c09 100644
--- a/src/ui-day.c
+++ b/src/ui-day.c
@@ -254,6 +254,7 @@ static void update_rept(struct rpt **rpt, const long start)
time_t t;
struct date new_date;
int newmonth, newday, newyear;
+ unsigned days;
asprintf(&outstr, _("Enter the new ending date: [%s] or '0'"),
DATEFMT_DESC(conf.input_datefmt));
@@ -270,21 +271,38 @@ static void update_rept(struct rpt **rpt, const long start)
newuntil = 0;
break;
}
- if (!parse_date
- (timstr, conf.input_datefmt, &newyear, &newmonth,
- &newday, ui_calendar_get_slctd_day())) {
- asprintf(&outstr, msg_fmts,
- DATEFMT_DESC(conf.input_datefmt));
- status_mesg(msg_wrong_date, outstr);
- mem_free(outstr);
- wgetch(win[KEY].p);
- continue;
+ if (*timstr == '+') {
+ if (!parse_date_duration(timstr + 1, &days)) {
+ asprintf(&outstr, msg_fmts,
+ DATEFMT_DESC(conf.input_datefmt));
+ status_mesg(msg_wrong_date, outstr);
+ mem_free(outstr);
+ wgetch(win[KEY].p);
+ continue;
+ }
+ t = start;
+ localtime_r(&t, &lt);
+ date_change(&lt, 0, days);
+ new_date.dd = lt.tm_mday;
+ new_date.mm = lt.tm_mon + 1;
+ new_date.yyyy = lt.tm_year + 1900;
+ } else {
+ if (!parse_date(timstr, conf.input_datefmt, &newyear,
+ &newmonth, &newday,
+ ui_calendar_get_slctd_day())) {
+ asprintf(&outstr, msg_fmts,
+ DATEFMT_DESC(conf.input_datefmt));
+ status_mesg(msg_wrong_date, outstr);
+ mem_free(outstr);
+ wgetch(win[KEY].p);
+ continue;
+ }
+ t = start;
+ localtime_r(&t, &lt);
+ new_date.dd = newday;
+ new_date.mm = newmonth;
+ new_date.yyyy = newyear;
}
- t = start;
- localtime_r(&t, &lt);
- new_date.dd = newday;
- new_date.mm = newmonth;
- new_date.yyyy = newyear;
newuntil = date2sec(new_date, lt.tm_hour, lt.tm_min);
if (newuntil >= start)
break;
diff --git a/src/utils.c b/src/utils.c
index 4ce9364..4300b59 100644
--- a/src/utils.c
+++ b/src/utils.c
@@ -455,6 +455,26 @@ void date_sec2date_fmt(long sec, const char *fmt, char *datef)
/*
* Used to change date by adding a certain amount of days or weeks.
+ * Returns 0 on success, 1 otherwise.
+ */
+int date_change(struct tm *date, int delta_month, int delta_day)
+{
+ struct tm t;
+
+ t = *date;
+ t.tm_mon += delta_month;
+ t.tm_mday += delta_day;
+
+ if (mktime(&t) == -1) {
+ return 1;
+ } else {
+ *date = t;
+ return 0;
+ }
+}
+
+/*
+ * Used to change date by adding a certain amount of days or weeks.
*/
long date_sec_change(long date, int delta_month, int delta_day)
{
@@ -840,6 +860,77 @@ parse_date(const char *date_string, enum datefmt datefmt, int *year,
}
/*
+ * Convert a date duration string into a number of days.
+ *
+ * Returns 1 on success and 0 on failure.
+ */
+int parse_date_duration(const char *string, unsigned *days)
+{
+ enum {
+ STATE_INITIAL,
+ STATE_WWDD_DD,
+ STATE_DONE
+ } state = STATE_INITIAL;
+
+ const char *p;
+ unsigned in = 0, frac = 0, denom = 1;
+ unsigned dur = 0;
+
+ if (!string || *string == '\0')
+ return 0;
+
+ /* parse string using a simple state machine */
+ for (p = string; *p; p++) {
+ if (state == STATE_DONE) {
+ return 0;
+ } else if ((*p >= '0') && (*p <= '9')) {
+ in = in * 10 + (int)(*p - '0');
+ if (frac)
+ denom *= 10;
+ } else if (*p == '.') {
+ if (frac)
+ return 0;
+ frac++;
+ } else {
+ switch (state) {
+ case STATE_INITIAL:
+ if (*p == 'w') {
+ dur += in * WEEKINDAYS / denom;
+ state = STATE_WWDD_DD;
+ } else if (*p == 'd') {
+ dur += in / denom;
+ state = STATE_DONE;
+ } else {
+ return 0;
+ }
+ break;
+ case STATE_WWDD_DD:
+ if (*p == 'd') {
+ dur += in / denom;
+ state = STATE_DONE;
+ } else {
+ return 0;
+ }
+ break;
+ default:
+ break;
+ }
+
+ in = frac = 0;
+ denom = 1;
+ }
+ }
+
+ if (state == STATE_DONE && in > 0)
+ return 0;
+
+ dur += in;
+ *days = dur;
+
+ return 1;
+}
+
+/*
* Check if time is valid.
*/
int check_time(unsigned hours, unsigned minutes)