initial import of the SOGo OpenChange backend

Monotone-Parent: 5f57280bc0c8371b942a310b60e1dfa1a790fb84
Monotone-Revision: 3afb1a5821a35e93f30a0c82c6e0594ea2285efb

Monotone-Author: wsourdeau@inverse.ca
Monotone-Date: 2010-10-01T18:54:30
Monotone-Branch: ca.inverse.sogo

OpenChange/NSCalendarDate+MAPIStore.m

@@ -0,0 +1,56 @@
+/* NSCalendarDate+MAPIStore.m - this file is part of SOGo
+ *
+ * Copyright (C) 2010 Inverse inc.
+ *
+ * Author: Wolfgang Sourdeau <wsourdeau@inverse.ca>
+ *
+ * This file 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, or (at your option)
+ * any later version.
+ *
+ * This file 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; see the file COPYING.  If not, write to
+ * the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+#import <Foundation/NSString.h>
+#import <Foundation/NSTimeZone.h>
+
+#import "NSCalendarDate+MAPIStore.h"
+
+#undef DEBUG
+#include <mapistore/mapistore.h>
+#include <talloc.h>
+
+@implementation NSCalendarDate (MAPIStoreDataTypes)
+
+- (struct FILETIME *) asFileTimeInMemCtx: (void *) memCtx
+{
+  static NSCalendarDate *refDate = nil;
+  struct FILETIME *timeValue;
+  NSTimeZone *utc;
+  uint64_t interval;
+
+  if (!refDate) {
+    utc = [NSTimeZone timeZoneWithName: @"UTC"];
+    refDate = [NSCalendarDate dateWithYear: 1601 month: 1 day: 1
+                                      hour: 0 minute: 0 second: 0
+                                  timeZone: utc];
+    [refDate retain];
+  }
+  interval = (((uint64_t) [self timeIntervalSinceDate: refDate]) * 10000000);
+  timeValue = talloc_zero(memCtx, struct FILETIME);
+  timeValue->dwLowDateTime = (uint32_t) (interval & 0xffffffff);
+  timeValue->dwHighDateTime = (uint32_t) ((interval >> 32) & 0xffffffff);
+  
+  return timeValue;
+}
+
+@end