Added BSON encoder/decoder for Outlook cache files.

OpenChange/BSONCodec.h

@@ -0,0 +1,50 @@
+//
+//  BSONCodec.h
+//  BSON Codec for Objective-C.
+//
+//  Created by Martin Kou on 8/17/10.
+//  MIT License, see LICENSE file for details.
+//
+
+#import <Foundation/Foundation.h>
+#import <stdint.h>
+
+@protocol BSONCoding
+- (uint8_t) BSONTypeID;
+- (NSData *) BSONEncode;
+- (NSData *) BSONRepresentation;
++ (id) BSONFragment: (NSData *) data at: (const void **) base ofType: (uint8_t) typeID;
+@end
+
+@protocol BSONObjectCoding
+- (id) initWithBSONDictionary: (NSDictionary *) data;
+- (NSDictionary *) BSONDictionary;
+@end
+
+@interface NSObject (BSONObjectCoding)
+- (NSData *) BSONEncode;
+- (NSData *) BSONRepresentation;
+@end
+
+
+@interface NSDictionary (BSON) <BSONCoding>
+@end
+
+@interface NSData (BSON) <BSONCoding>
+- (NSDictionary *) BSONValue;
+@end
+
+@interface NSNumber (BSON) <BSONCoding>
+@end
+
+@interface NSString (BSON) <BSONCoding>
+@end
+
+@interface NSArray (BSON) <BSONCoding>
+@end
+
+@interface NSNull (BSON) <BSONCoding>
+@end
+
+@interface NSCalendarDate (BSON) <BSONCoding>
+@end