1 files changed, 42 insertions, 0 deletions
diff --git a/macosx/HBCodingUtilities.h b/macosx/HBCodingUtilities.h
new file mode 100644
index 000000000..fd825971d
--- /dev/null
+++ b/macosx/HBCodingUtilities.h
@@ -0,0 +1,42 @@
+/*  HBCodingUtilities.h $
+
+ This file is part of the HandBrake source code.
+ Homepage: <http://handbrake.fr/>.
+ It may be used under the terms of the GNU General Public License. */
+
+#import <Foundation/Foundation.h>
+
+#define OBJC_STRINGIFY(x) @#x
+#define encodeInt(x) [coder encodeInt:x forKey:OBJC_STRINGIFY(x)]
+#define encodeInteger(x) [coder encodeInteger:x forKey:OBJC_STRINGIFY(x)]
+#define encodeBool(x) [coder encodeBool:x forKey:OBJC_STRINGIFY(x)]
+#define encodeDouble(x) [coder encodeDouble:x forKey:OBJC_STRINGIFY(x)]
+#define encodeObject(x) [coder encodeObject:x forKey:OBJC_STRINGIFY(x)]
+
+#define decodeInt(x) x = [decoder decodeIntForKey:OBJC_STRINGIFY(x)]
+#define decodeInteger(x) x = [decoder decodeIntegerForKey:OBJC_STRINGIFY(x)]
+#define decodeBool(x) x = [decoder decodeBoolForKey:OBJC_STRINGIFY(x)]
+#define decodeDouble(x) x = [decoder decodeDoubleForKey:OBJC_STRINGIFY(x)]
+#define decodeObject(x, cl) x = [HBCodingUtilities decodeObjectOfClass:[cl class] forKey:OBJC_STRINGIFY(x) decoder:decoder];
+
+#define decodeObjectOrFail(x, class) x = [HBCodingUtilities decodeObjectOfClass:class forKey:OBJC_STRINGIFY(x) decoder:decoder]; if (x == nil) {NSLog(@"Failed to decode: %@", OBJC_STRINGIFY(x)); goto fail;}
+
+@interface HBCodingUtilities : NSObject
+
+/**
+ *  Specify what the expected class of the allocated object is. If the coder responds YES to -requiresSecureCoding,
+ *  then an exception will be thrown if the class to be decoded does not implement NSSecureCoding or is not isKindOfClass: of the argument.
+ *  If the coder responds NO to -requiresSecureCoding, then the class argument is ignored
+ *  and no check of the class of the decoded object is performed, exactly as if decodeObjectForKey: had been called.
+ *
+ *  if NSSecureCoding is not available on the system it check the class after loading the object.
+ *
+ *  @param aClass  The expect class type.
+ *  @param key     The coder key.
+ *  @param decoder The NSCoder.
+ *
+ *  @return the decoder object.
+ */
++ (id)decodeObjectOfClass:(Class)aClass forKey:(NSString *)key decoder:(NSCoder *)decoder;
+
+@end