Merge pull request #30 from tbuchok/extension

Extension

README.md

@@ -22,6 +22,23 @@ var ad = vast.attachAd({
   });
 ```
 
+### Ad extensions
+
+```javascript
+var VAST = require('vast-xml');
+
+var vast = new VAST();
+var ad = vast.attachAd({ 
+      id : 1
+    , structure : 'inline'
+    , sequence : 99
+    , Error: 'http://error.err'
+    , Extensions: ['<xml>data</xml>'] // accepts an array or string of XML, warning: XML is not validated by this library!
+    , AdTitle : 'Common name of the ad'
+    , AdSystem : { name: 'Test Ad Server', version : '1.0' }
+  });
+```
+
 ## Attach Impression tracking URLs
 
 ```javascript

index.js

@@ -99,6 +99,12 @@ var xml = function(options) {
           if (r.adParameters) companion.element('AdParameters', r.adParameters.data, { xmlEncoded : r.adParameters.xmlEncoded });
         });
       });
+    if (ad.Extensions) {
+      var extensions = inline.element('Extensions');
+      [].concat(ad.Extensions).forEach(function(extension) {
+        extensions.element('Extension').raw(extension);
+      });
+    }
   });
   return response.end(options);
 };

package.json

@@ -1,6 +1,6 @@
 {
   "name": "vast-xml",
-  "version": "1.0.0",
+  "version": "1.2.0",
   "description": "VAST XML responses for online video advertisers.",
   "main": "index.js",
   "dependencies": {

test/linear.test.js

@@ -26,6 +26,7 @@ var ad = vast.attachAd({
   , AdTitle : 'Common name of the ad'
   , Error: 'http://error.err'
   , AdSystem : { name: 'Test Ad Server', version : '1.0' }
+  , Extensions: ['<one><![CDATA[1]]></one>', '<two><dos id = "2" /></two>']
 }).attachImpression({ id : 23, url : 'http://impression.com' });
 
 test('`VAST` object', function(t){