update read from streams example

example/readFromStream/readFromStream.cpp

@@ -1,17 +1,33 @@
 #include "json/json.h"
 #include <fstream>
 #include <iostream>
-/** \brief Parse from stream, collect comments and capture error info.
+/** \brief Parse from stream, collect comments, access data, and capture error info.
  * Example Usage:
  * $g++ readFromStream.cpp -ljsoncpp -std=c++11 -o readFromStream
  * $./readFromStream
  * // comment head
- * {
+ * [
  *    // comment before
- *    "key" : "value"
+ *    {
- * }
+ *     "key" :
+ *      {
+ *        "id" : 1,
+ *        "val" : "value 1"
+ *      }
+ *    },
+ *    {
+ *      "key" :
+ *      {
+ *        "id" : 2,
+ *        "val" : "value 2"
+ *      }
+ *    }
+ *  ] // comment tail
  * // comment after
- * // comment tail
+ * 1
+ * value 1
+ * 2
+ * value 2
  */
 int main(int argc, char* argv[]) {
   Json::Value root;
@@ -26,5 +42,14 @@ int main(int argc, char* argv[]) {
     return EXIT_FAILURE;
   }
   std::cout << root << std::endl;
+
+  for (Json::Value::const_iterator it = root.begin(); it != root.end(); ++it) {
+    int id = it->get("key", "").get("id", "").asInt();
+    std::string val = it->get("key", "").get("val", "").asString();
+
+    std::cout << id << std::endl;
+    std::cout << val << std::endl;
+  }
+
   return EXIT_SUCCESS;
 }

example/readFromStream/withComment.json

@@ -1,6 +1,18 @@
 // comment head
-{
+[
     // comment before
-    "key" : "value"
+    {
+        "key" : {
+            "id": 1,
+            "val": "value 1"
+        }
+
+    },
+    {
+       "key" : {
+            "id": 2,
+            "val": "value 2"
+        }
+    }
     // comment after
-}// comment tail
+]// comment tail