Extracted class JsonValue

JsonGeneratorTests/JsonValue.h

@@ -0,0 +1,67 @@
+/*
+ * Arduino JSON library
+ * Benoit Blanchon 2014 - MIT License
+ */
+
+#pragma once
+
+#include "StringBuilder.h"
+
+class JsonObjectBase;
+
+class JsonValue
+{    
+public:
+
+    JsonValue()
+    {
+    }
+
+    JsonValue(const char* value)
+        : type(JSON_STRING)
+    {
+        content.string = value;
+    }
+
+    JsonValue(double value)
+        : type(JSON_NUMBER)
+    {
+        content.number = value;
+    }
+
+    JsonValue(bool value)
+        : type(JSON_BOOLEAN)
+    {
+        content.boolean = value;
+    }
+
+    JsonValue(JsonObjectBase& value)
+        : type(JSON_OBJECT)
+    {
+        content.object = &value;
+    }
+
+    void writeTo(StringBuilder& sb);
+
+private:
+
+    enum Type
+    {
+        JSON_STRING,
+        JSON_NUMBER,
+        JSON_BOOLEAN,
+        JSON_OBJECT,
+    };
+
+    union Content
+    {
+        const char*     string;
+        double          number;
+        bool            boolean;
+        JsonObjectBase* object;
+    };
+
+    Type    type;
+    Content content;
+};
+