From 791aa03c09bba353ce87faefef4fa81e3bcb84dc Mon Sep 17 00:00:00 2001
From: helge <helge@d1b88da0-ebda-0310-925b-ed51d893ca5b>
Date: Fri, 2 Jul 2004 17:42:35 +0000
Subject: [PATCH] git-svn-id: http://svn.opengroupware.org/SOGo/trunk@138
 d1b88da0-ebda-0310-925b-ed51d893ca5b

---
 SOGoLogic/SOGoAppointment.m | 128 ++++++++++++++++++++----------------
 1 file changed, 73 insertions(+), 55 deletions(-)

diff --git a/SOGoLogic/SOGoAppointment.m b/SOGoLogic/SOGoAppointment.m
index 3dec7fcf..da48bd4b 100644
--- a/SOGoLogic/SOGoAppointment.m
+++ b/SOGoLogic/SOGoAppointment.m
@@ -54,6 +54,11 @@ static SaxObjectDecoder          *sax   = nil;
 }
 
 - (id)initWithICalString:(NSString *)_iCal {
+  if ([_iCal length] == 0) {
+    [self logWithFormat:@"ERROR: tried to init SOGoAppointment without iCal"];
+    [self release];
+    return nil;
+  }
   if ((self = [self init])) {
     id root;
     
@@ -64,9 +69,13 @@ static SaxObjectDecoder          *sax   = nil;
 
     /* parse */
     
-    [parser parseFromSource:_iCal];
-    root = [[sax rootObject] retain];
-    [sax reset];
+    if ([_iCal length] > 0) {
+      [parser parseFromSource:_iCal];
+      root = [[sax rootObject] retain];
+      [sax reset];
+    }
+    else
+      root = nil;
 
     /* fill */
     
@@ -75,6 +84,14 @@ static SaxObjectDecoder          *sax   = nil;
     if ([root isKindOfClass:[iCalEvent class]]) {
       self->event = root;
     }
+    else if ([root isKindOfClass:[NSDictionary class]]) {
+      /* multiple vevents in the calendar */
+      [self logWithFormat:
+	      @"ERROR(%s): tried to initialize with multiple records: %@",
+	      __PRETTY_FUNCTION__, root];
+      [self release];
+      return nil;
+    }
     else {
       self->calendar = root;
       self->event    = [[[self->calendar events] lastObject] retain];
@@ -101,52 +118,53 @@ static SaxObjectDecoder          *sax   = nil;
 
 /* TODO: REMOVE THIS HACK ASAP */
 - (NSString *)iCalString {
-    NSMutableString *s;
-    NSArray *persons;
-    unsigned i, count;
-    iCalPerson *p;
-
-    /* assume length of 1K - reasonable ? */
-    s = [[NSMutableString alloc] initWithCapacity:1024];
-    [s appendString:@"BEGIN:VCALENDAR\nMETHOD:REQUEST\nPRODID:"];
-    if (self->calendar == nil)
-      [s appendString:@"SOGo/0.9"];
-    else
-      [s appendString:[self->calendar prodId]];
-    [s appendString:@"\nVERSION:"];
-    if (self->calendar == nil)
-      [s appendString:@"2.0"];
-    else
-      [s appendString:[(iCalCalendar *)self->calendar version]];
-    [s appendString:@"\nBEGIN:VEVENT"];
-    [s appendString:@"\nSUMMARY:"];
-    [s appendString:[self summary]];
-    if([self hasLocation]) {
+  NSMutableString *s;
+  NSArray         *persons;
+  unsigned        i, count;
+  iCalPerson      *p;
+
+  /* assume length of 1K - reasonable ? */
+  s = [NSMutableString stringWithCapacity:1024];
+  
+  [s appendString:@"BEGIN:VCALENDAR\nMETHOD:REQUEST\nPRODID:"];
+  if (self->calendar == nil)
+    [s appendString:@"SOGo/0.9"];
+  else
+    [s appendString:[self->calendar prodId]];
+  [s appendString:@"\nVERSION:"];
+  if (self->calendar == nil)
+    [s appendString:@"2.0"];
+  else
+    [s appendString:[(iCalCalendar *)self->calendar version]];
+  [s appendString:@"\nBEGIN:VEVENT"];
+  [s appendString:@"\nSUMMARY:"];
+  [s appendString:[self summary]];
+  if([self hasLocation]) {
         [s appendString:@"\nLOCATION:"];
         [s appendString:[self location]];
-    }
-    [s appendString:@"\nUID:"];
-    [s appendString:[self uid]];
-    [s appendString:@"\nDTSTART:"];
-    [s appendString:[[self startDate] icalString]];
-    if([self hasEndDate]) {
+  }
+  [s appendString:@"\nUID:"];
+  [s appendString:[self uid]];
+  [s appendString:@"\nDTSTART:"];
+  [s appendString:[[self startDate] icalString]];
+  if([self hasEndDate]) {
         [s appendString:@"\nDTEND:"];
         [s appendString:[[self endDate] icalString]];
-    }
-    if([self hasDuration]) {
+  }
+  if([self hasDuration]) {
         [s appendString:@"\nDURATION:"];
         [s appendString:[(iCalEvent *)self->event duration]];
-    }
-    [s appendString:@"\nSTATUS:"];
-    [s appendString:[self status]];
+  }
+  [s appendString:@"\nSTATUS:"];
+  [s appendString:[self status]];
 
-    /* what's all this? */
-    [s appendString:@"\nTRANSP:OPAQUE"];
-    [s appendString:@"\nCLASS:PRIVATE"];
+  /* what's all this? */
+  [s appendString:@"\nTRANSP:OPAQUE"]; /* transparency */
+  [s appendString:@"\nCLASS:PRIVATE"]; /* classification [like 'top secret'] */
     
-    /* organizer */
-    p = [self organizer];
-    if(p) {
+  /* organizer */
+  p = [self organizer];
+  if(p) {
         NSString *x;
     
         [s appendString:@"\nORGANIZER;CN=\""];
@@ -158,12 +176,12 @@ static SaxObjectDecoder          *sax   = nil;
             [s appendString:@":"]; /* sic! */
             [s appendString:x];
         }
-    }
+  }
 
-    /* attendees */
-    persons = [self attendees];
-    count = [persons count];
-    for(i = 0; i < count; i++) {
+  /* attendees */
+  persons = [self attendees];
+  count   = [persons count];
+  for (i = 0; i < count; i++) {
         NSString *x;
 
         p = [persons objectAtIndex:i];
@@ -176,11 +194,11 @@ static SaxObjectDecoder          *sax   = nil;
             [s appendString:@":"]; /* sic! */
                 [s appendString:x];
         }
-    }
-
-    /* postamble */
-    [s appendString:@"\nEND:VEVENT\nEND:VCALENDAR"];
-    return [s autorelease];
+  }
+  
+  /* postamble */
+  [s appendString:@"\nEND:VEVENT\nEND:VCALENDAR"];
+  return s;
 }
 
 
@@ -188,17 +206,17 @@ static SaxObjectDecoder          *sax   = nil;
 
 
 - (void)setUid:(NSString *)_value {
-    [self->event setUid:_value];
+  [self->event setUid:_value];
 }
 - (NSString *)uid {
-    return [self->event uid];
+  return [self->event uid];
 }
 
 - (void)setSummary:(NSString *)_value {
-    [self->event setSummary:_value];
+  [self->event setSummary:_value];
 }
 - (NSString *)summary {
-    return [self->event summary];
+  return [self->event summary];
 }
 
 - (void)setLocation:(NSString *)_value {
-- 
2.39.5