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Add support for UTC times in iCal imports

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According to the iCal standard (4.3.12 Time):

    UTC time, or absolute time, is identified by a LATIN CAPITAL LETTER
    Z suffix character (US-ASCII decimal 90), the UTC designator,
    appended to the time value.

Parse such time values properly when importing iCal files.

Fixes GitHub issue #3.

Signed-off-by: Lukas Fleischer <calcurse@cryptocrack.de>
This commit is contained in:
Lukas Fleischer
2015-02-23 10:43:54 +01:00
parent 4efa3f3fbf
commit 1ea97795be
6 changed files with 78 additions and 8 deletions
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21
src/ical.c
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@@ -477,7 +477,7 @@ ical_chk_header(FILE * fd, char *buf, char *lstore, unsigned *lineno,
* where DATE is 'YYYYMMDD' and TIME is 'HHMMSS'.
* The time and 'T' separator are optional (in the case of an day-long event).
*
* Optionnaly, if the type pointer is given, specify if it is an event
* Optionally, if the type pointer is given, specify if it is an event
* (no time is given, meaning it is an all-day event), or an appointment
* (time is given).
*
@@ -485,22 +485,27 @@ ical_chk_header(FILE * fd, char *buf, char *lstore, unsigned *lineno,
*/
static long ical_datetime2long(char *datestr, ical_vevent_e * type)
{
const int NOTFOUND = 0, FORMAT_DATE = 3, FORMAT_DATETIME = 5;
const int NOTFOUND = 0, FORMAT_DATE = 3, FORMAT_DATETIME = 6,
FORMAT_DATETIMEZ = 7;
struct date date;
unsigned hour, min;
long datelong;
unsigned hour, min, sec;
char c;
long datelong ;
int format;
format = sscanf(datestr, "%04u%02u%02uT%02u%02u",
&date.yyyy, &date.mm, &date.dd, &hour, &min);
format = sscanf(datestr, "%04u%02u%02uT%02u%02u%02u%c",
&date.yyyy, &date.mm, &date.dd, &hour, &min, &sec, &c);
if (format == FORMAT_DATE) {
if (type)
*type = EVENT;
datelong = date2sec(date, 0, 0);
} else if (format == FORMAT_DATETIME) {
} else if (format == FORMAT_DATETIME || format == FORMAT_DATETIMEZ) {
if (type)
*type = APPOINTMENT;
datelong = date2sec(date, hour, min);
if (format == FORMAT_DATETIMEZ && c == 'Z')
datelong = utcdate2sec(date, hour, min);
else
datelong = date2sec(date, hour, min);
} else {
datelong = NOTFOUND;
}