From a2dc4b0da5f93acdc74dc8f8937ada0a78f5c6dd Mon Sep 17 00:00:00 2001
From: Cory Imdieke <cimdieke@ces-us.net>
Date: Wed, 10 Feb 2016 13:47:41 -0600
Subject: [PATCH] Added subscripting support to FirebaseArray

---
 FirebaseUI/Core/API/FirebaseArray.h            | 13 +++++++++++++
 FirebaseUI/Core/Implementation/FirebaseArray.m |  8 ++++++++
 2 files changed, 21 insertions(+)
 mode change 100644 => 100755 FirebaseUI/Core/Implementation/FirebaseArray.m

diff --git a/FirebaseUI/Core/API/FirebaseArray.h b/FirebaseUI/Core/API/FirebaseArray.h
index cd39edd40ae..04e1118cbaa 100644
--- a/FirebaseUI/Core/API/FirebaseArray.h
+++ b/FirebaseUI/Core/API/FirebaseArray.h
@@ -102,6 +102,19 @@
  */
 - (Firebase *)refForIndex:(NSUInteger)index;
 
+/**
+ * Support for subscripting. Resolves to objectAtIndex:
+ * @param index The index of the item to retrieve
+ * @return The object at the given index
+ */
+- (id)objectAtIndexedSubscript:(NSUInteger)idx;
+
+/**
+ * Support for subscripting. This method is unused and trying to write directly to the
+ * array using subscripting will cause an assertion.
+ */
+- (void)setObject:(id)obj atIndexedSubscript:(NSUInteger)idx;
+
 #pragma mark -
 #pragma mark Private API methods
 
diff --git a/FirebaseUI/Core/Implementation/FirebaseArray.m b/FirebaseUI/Core/Implementation/FirebaseArray.m
old mode 100644
new mode 100755
index 1158fc92659..47f2218c3c4
--- a/FirebaseUI/Core/Implementation/FirebaseArray.m
+++ b/FirebaseUI/Core/Implementation/FirebaseArray.m
@@ -152,4 +152,12 @@ - (Firebase *)refForIndex:(NSUInteger)index {
   return [(FDataSnapshot *)[self.snapshots objectAtIndex:index] ref];
 }
 
+- (id)objectAtIndexedSubscript:(NSUInteger)index{
+	return [self objectAtIndex:index];
+}
+
+- (void)setObject:(id)obj atIndexedSubscript:(NSUInteger)index{
+	NSAssert(NO, @"Subscripting is read-only on FirebaseArray");
+}
+
 @end