1 files changed, 58 insertions, 0 deletions
diff --git a/macosx/NSArray+HBAdditions.m b/macosx/NSArray+HBAdditions.m
new file mode 100644
index 000000000..babcc9f15
--- /dev/null
+++ b/macosx/NSArray+HBAdditions.m
@@ -0,0 +1,58 @@
+//
+//  NSArray+NSArray_HBArrayAdditions.m
+//  HandBrake
+//
+//  Created by Damiano Galassi on 22/07/15.
+//
+//
+
+#import "NSArray+HBAdditions.h"
+
+@implementation NSMutableArray (HBAdditions)
+
+- (void)removeObjectsUsingBlock:(BOOL (^)(id object))block
+{
+    NSMutableArray *objectsToRemove = [NSMutableArray array];
+    for (id object in self)
+    {
+        if (block(object))
+        {
+            [objectsToRemove addObject:object];
+        }
+    }
+    [self removeObjectsInArray:objectsToRemove];
+}
+
+@end
+
+@implementation NSArray (HBAdditions)
+
+- (NSArray *)filteredArrayUsingBlock:(BOOL (^)(id object))block
+{
+    NSMutableArray *filteredArray = [NSMutableArray array];
+    for (id object in self)
+    {
+        if (block(object))
+        {
+            [filteredArray addObject:object];
+        }
+    }
+    return [filteredArray copy];
+}
+
+- (NSIndexSet *)indexesOfObjectsUsingBlock:(BOOL (^)(id object))block
+{
+    NSMutableIndexSet *indexes = [NSMutableIndexSet indexSet];
+    NSUInteger i = 0;
+    for (id object in self)
+    {
+        if (block(object))
+        {
+            [indexes addIndex:i];
+        }
+        i++;
+    }
+    return [indexes copy];
+}
+
+@end