Monotone-Parent: ab4b56bae1b03fc971ec45c668ed8a6bd9b23831

Monotone-Revision: c65e5de16bdce7bebdde2adc5fd2504e2066e9f2 Monotone-Author: wsourdeau@inverse.ca Monotone-Date: 2011-05-30T21:12:56 Monotone-Branch: ca.inverse.sogo
2026-06-02 17:09:44 +00:00 · 2011-05-30 21:12:56 +00:00
parent 09e223836a
commit 8dfda2873f
17 changed files with 40 additions and 20 deletions
@@ -0,0 +1,116 @@
+/* NSDate+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 3, 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/NSCalendarDate.h>
+#import <Foundation/NSString.h>
+#import <Foundation/NSTimeZone.h>
+
+#import "NSDate+MAPIStore.h"
+
+#undef DEBUG
+#include <mapistore/mapistore.h>
+#include <talloc.h>
+
+static NSCalendarDate *refDate = nil;
+
+@interface NSDate (MAPIStorePossibleMethods)
+
+- (NSTimeZone *) timeZone;
+
+@end
+
+@implementation NSDate (MAPIStoreDataTypes)
+
+static void
+_setupRefDate ()
+{
+  refDate = [[NSCalendarDate alloc]
+              initWithYear: 1601 month: 1 day: 1
+                      hour: 0 minute: 0 second: 0
+                  timeZone: [NSTimeZone timeZoneWithName: @"UTC"]];
+}
+
+ (id) dateFromMinutesSince1601: (uint32_t) minutes
+{
+  NSCalendarDate *result;
+
+  if (!refDate)
+    _setupRefDate ();
+
+  result = [refDate dateByAddingYears: 0 months: 0 days: 0 hours: 0
+			      minutes: minutes seconds: 0];
+
+  return result;
+}
+
+- (uint32_t) asMinutesSince1601
+{
+  uint32_t minutes;
+  NSInteger offset;
+
+  if (!refDate)
+    _setupRefDate ();
+
+  if ([self respondsToSelector: @selector (timeZone)])
+    offset = [[self timeZone] secondsFromGMT];
+  else
+    offset = 0;
+  minutes = (uint32_t) (([self timeIntervalSinceDate: refDate] + offset) / 60);
+
+  return minutes;
+}
+
+ (id) dateFromFileTime: (const struct FILETIME *) timeValue
+{
+  NSCalendarDate *result;
+  uint64_t interval;
+
+  if (!refDate)
+    _setupRefDate ();
+
+  interval = ((uint64_t) timeValue->dwHighDateTime << 32
+              | timeValue->dwLowDateTime);
+  result = [[NSCalendarDate alloc]
+             initWithTimeInterval: (NSTimeInterval) interval / 10000000
+                        sinceDate: refDate];
+  [result autorelease];
+
+  return result;
+}
+
+- (struct FILETIME *) asFileTimeInMemCtx: (void *) memCtx
+{
+  struct FILETIME *timeValue;
+  uint64_t interval;
+
+  if (!refDate)
+    _setupRefDate ();
+
+  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