Added JsonObjectIterator

include/ArduinoJson/JsonObject.hpp

@@ -1,6 +1,7 @@
 #pragma once
 
-#include "JsonContainer.hpp"
+#include "ArduinoJson/JsonContainer.hpp"
+#include "ArduinoJson/JsonObjectIterator.hpp"
 
 namespace ArduinoJson
 {
@@ -28,6 +29,13 @@ namespace ArduinoJson
             return _node && _node->isObject();
         }
 
+        JsonObjectIterator begin();
+
+        JsonObjectIterator end()
+        {
+            return JsonObjectIterator(0);
+        }
+
     private:
         Internals::JsonNode* getOrCreateNodeAt(const char* key);
     };

include/ArduinoJson/JsonObjectIterator.hpp

@@ -0,0 +1,52 @@
+#pragma once
+
+#include "ArduinoJson/JsonObjectKeyValue.hpp"
+
+namespace ArduinoJson
+{
+	class JsonObject;
+
+	class JsonObjectIterator
+	{
+		friend class JsonObject;
+
+	public:
+		explicit JsonObjectIterator(Internals::JsonNode* node)
+			: _node(node)
+		{
+		}
+
+        const char* key() const
+        {
+            return operator*().key();
+        }
+
+        JsonValue value() const
+        {
+            return operator*().value();
+        }
+
+		void operator++()
+		{
+			_node = _node->next;
+		}
+
+		JsonObjectKeyValue operator*() const
+		{
+			return JsonObjectKeyValue(_node);
+		}
+
+		bool operator==(const JsonObjectIterator& other) const
+		{
+			return _node == other._node;
+		}
+
+		bool operator!=(const JsonObjectIterator& other) const
+		{
+			return _node != other._node;
+		}		
+
+	private:
+		Internals::JsonNode* _node;
+	};
+}

include/ArduinoJson/JsonObjectKeyValue.hpp

@@ -0,0 +1,28 @@
+#pragma once
+
+#include "ArduinoJson/JsonValue.hpp"
+
+namespace ArduinoJson
+{
+	class JsonObjectKeyValue
+	{
+	public:
+		explicit JsonObjectKeyValue(Internals::JsonNode* node)
+			: _node(node)
+		{			
+		}
+
+		const char* key()
+		{
+			return _node->getAsObjectKey();
+		}
+
+		JsonValue value()
+		{
+			return JsonValue(_node->getAsObjectValue());
+		}
+
+	private:
+		Internals::JsonNode* _node;
+	};
+}