From: David Woodhouse <dwmw2@infradead.org>
Date: Sat, 17 Jul 2010 15:39:20 +0000 (+0100)
Subject: Add absolute annual recurrence rules
X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=9669075830a8cb2fe1af184f848442fc28317c0b;p=users%2Fdwmw2%2Fews-sync.git

Add absolute annual recurrence rules
---

diff --git a/ews2ical.c b/ews2ical.c
index db39b2d..a8a4480 100644
--- a/ews2ical.c
+++ b/ews2ical.c
@@ -304,12 +304,19 @@ int process_subject(xmlNode *xml_node)
 	return 0;
 }
 
+char *months[] = {
+	"January", "February", "March", "April", "May", "June", "July", 
+	"August", "September", "October", "November", "December"
+};
+
 int process_recurrence(xmlNode *xml_node)
 {
 	xmlNode *xml_node2;
 	const char *weekly_interval = NULL;
 	const char *weekday = NULL;
 	const char *end_date = NULL;
+	const char *day_of_month = NULL;
+	const char *month = NULL;
 
 	for (xml_node = xml_node->children; xml_node; xml_node = xml_node->next) {
 		if (xml_node->type != XML_ELEMENT_NODE)
@@ -324,6 +331,16 @@ int process_recurrence(xmlNode *xml_node)
 				else if (!strcmp((char *)xml_node2->name, "DaysOfWeek"))
 					weekday = (char *)xmlNodeGetContent(xml_node2);
 			}
+		} else if (!strcmp((char *)xml_node->name, "AbsoluteYearlyRecurrence")) {
+			for (xml_node2 = xml_node->children; xml_node2;
+			     xml_node2 = xml_node2->next) {
+				if (xml_node2->type != XML_ELEMENT_NODE)
+					continue;
+				if (!strcmp((char *)xml_node2->name, "DayOfMonth"))
+					day_of_month = (char *)xmlNodeGetContent(xml_node2);
+				else if (!strcmp((char *)xml_node2->name, "Month"))
+					month = (char *)xmlNodeGetContent(xml_node2);
+			}
 		} else if (!strcmp((char *)xml_node->name, "EndDateRecurrence")) {
 			for (xml_node2 = xml_node->children; xml_node2;
 			     xml_node2 = xml_node2->next) {
@@ -334,7 +351,18 @@ int process_recurrence(xmlNode *xml_node)
 			}
 		}
 	}
-	if (weekly_interval && weekday) {
+	if (day_of_month && month) {
+		int monthnr;
+		for (monthnr = 0; monthnr < 12; monthnr++)
+			if (!strcmp(month, months[monthnr]))
+				break;
+		if (monthnr == 12) {
+			fprintf(stderr, "Unrecognised month name '%s'\n", month);
+			return -1;
+		}
+		fprintf(calfile, "RRULE;FREQ=YEARLY;BYMONTH=%d;BYMONTHDAY=%s\n",
+			monthnr+1, day_of_month);
+	} else if (weekly_interval && weekday) {
 		char day[3];
 		day[0] = toupper(weekday[0]);
 		day[1] = toupper(weekday[1]);