Added class JsonToken

JsonParser/JsonToken.cpp

@@ -0,0 +1,21 @@
+
+#include "JsonToken.h"
+
+using namespace ArduinoJson::Internal;
+
+int JsonToken::nestedTokenCount() const
+{
+    jsmntok_t* t = token;
+    int yetToVisit = t->size;
+    int count = 0;
+
+    while (yetToVisit)
+    {
+        count++;
+        t++;
+        yetToVisit--;
+        yetToVisit += t->size;
+    }
+
+    return count;
+}