Add -children to TFHppleElement to get a node's children

Author: Zach Drayer

TFHppleElement.h

@@ -50,6 +50,9 @@
 //   class = 'highlight'
 - (NSDictionary *) attributes;
 
+// Returns the children of a given node
+- (NSArray *) children;
+
 // Provides easy access to the content of a specific attribute, 
 // such as 'href' or 'class'.
 - (NSString *) objectForKey:(NSString *) theKey;

TFHppleElement.m

@@ -32,6 +32,7 @@
 
 static NSString * const TFHppleNodeContentKey           = @"nodeContent";
 static NSString * const TFHppleNodeNameKey              = @"nodeName";
+static NSString * const TFHppleNodeChildrenKey          = @"nodeChildArray";
 static NSString * const TFHppleNodeAttributeArrayKey    = @"nodeAttributeArray";
 static NSString * const TFHppleNodeAttributeNameKey     = @"attributeName";
 
@@ -71,6 +72,16 @@ - (NSString *) tagName
   return [node objectForKey:TFHppleNodeNameKey];
 }
 
+- (NSArray *) children
+{
+  NSMutableArray *children = [NSMutableArray array];
+  for (NSDictionary *child in [node objectForKey:TFHppleNodeChildrenKey]) {
+    TFHppleElement *element = [TFHppleElement hppleElementWithNode:child];
+    [children addObject:element];
+  }
+  return children;
+}
+
 - (NSDictionary *) attributes
 {
   NSMutableDictionary * translatedAttributes = [NSMutableDictionary dictionary];