move ifstream example

Home.md

@@ -1,8 +1,21 @@
 Introduction
 ------------
 JSON (JavaScript Object Notation) is a lightweight data-interchange format. It can represent integer, real number, string, an ordered sequence of value, and a collection of name/value pairs.
+
 Here is an example of JSON data:
-```json
+```js
+{
+    "encoding" : "UTF-8",
+    "plug-ins" : [
+        "python",
+        "c++",
+        "ruby"
+        ],
+    "indent" : { "length" : 3, "use_space": true }
+}
+```
+And here it is with ***comments***:
+```js
 // Configuration options
 {
     // Default encoding for text
@@ -19,27 +32,19 @@ Here is an example of JSON data:
     "indent" : { "length" : 3, "use_space": true }
 }
 ```
-Features
+Features of *jsoncpp*
 --------
-- read and write JSON document
+- Read and write JSON document.
-- attach C and C++ style comments to element during parsing
+- Attach C and C++ style **comments** to element during parsing.
-- rewrite JSON document preserving original comments
+- Rewrite JSON document preserving original comments.
-  Notes: Comments used to be supported in JSON but where removed for portability (C like comments are not supported in Python). Since comments are useful in configuration/input file, this feature was preserved.
 
 Code example
 ------------
-You must open the file in an `std::ifstream` before you can use it:
-
 ```cpp
-#include <fstream>
+#include <json/value.h>
 
-std::ifstream config_doc("config_doc.json", std::ifstream::binary);
-```
-
-Once that is done you can then use jsoncpp to parse the data:
-```cpp
 Json::Value root;   // starts as "null"; will contain the root value after parsing
-config_doc >> root;
+std::cin >> root;
 
 // Get the value of the member of root named 'encoding', return 'UTF-8' if there is no
 // such member.
@@ -65,6 +70,13 @@ root["indent"]["use_space"] = getCurrentIndentUseSpace();
 std::cout << root << "\n";
 ```
 
+You can also read from a file, e.g.:
+```cpp
+#include <fstream>
+
+std::ifstream config_doc("config_doc.json", std::ifstream::binary);
+```
+
 If you need some unusual features, use *Builders*:
 ```cpp
 Json::Value root;
@@ -87,6 +99,9 @@ Json::StreamWriterBuilder wbuilder;
 std::string outputConfig = Json::writeString(wbuilder, root);
 ```
 
+### A note on "comments"
+Comments used to be supported in JSON but where removed for portability (C-like comments are not supported in Python). Since comments are useful in configuration/input file, this feature is preserved in `jsoncpp`.
+
 Build instructions
 ------------------
 The build instructions are located in the file [`README.md`](https://github.com/open-source-parsers/jsoncpp/blob/master/README.md) in the top-directory of the project.