add composer's vendor directory

vendor/fguillot/picofeed/lib/PicoFeed/Syndication/Rss20FeedBuilder.php

@@ -0,0 +1,76 @@
+<?php
+
+namespace PicoFeed\Syndication;
+
+use DOMAttr;
+use DOMElement;
+
+/**
+ * Rss20 Feed Builder
+ *
+ * @package PicoFeed\Syndication
+ * @author  Frederic Guillot
+ */
+class Rss20FeedBuilder extends FeedBuilder
+{
+    /**
+     * @var DOMElement
+     */
+    protected $rssElement;
+
+    /**
+     * @var Rss20Helper
+     */
+    protected $helper;
+
+    /**
+     * @var DOMElement
+     */
+    protected $channelElement;
+
+    /**
+     * Build feed
+     *
+     * @access public
+     * @param  string $filename
+     * @return string
+     */
+    public function build($filename = '')
+    {
+        $this->helper = new Rss20Helper($this->getDocument());
+
+        $this->rssElement = $this->getDocument()->createElement('rss');
+        $this->rssElement->setAttribute('version', '2.0');
+        $this->rssElement->setAttributeNodeNS(new DomAttr('xmlns:content', 'http://purl.org/rss/1.0/modules/content/'));
+        $this->rssElement->setAttributeNodeNS(new DomAttr('xmlns:atom', 'http://www.w3.org/2005/Atom'));
+
+        $this->channelElement = $this->getDocument()->createElement('channel');
+        $this->helper
+            ->buildNode($this->channelElement, 'generator', 'PicoFeed (https://github.com/fguillot/picoFeed)')
+            ->buildTitle($this->channelElement, $this->feedTitle)
+            ->buildNode($this->channelElement, 'description', $this->feedTitle)
+            ->buildDate($this->channelElement, $this->feedDate)
+            ->buildAuthor($this->channelElement, 'webMaster', $this->authorName, $this->authorEmail)
+            ->buildLink($this->channelElement, $this->siteUrl)
+        ;
+
+        $link = $this->getDocument()->createElement('atom:link');
+        $link->setAttribute('href', $this->feedUrl);
+        $link->setAttribute('rel', 'self');
+        $link->setAttribute('type', 'application/rss+xml');
+        $this->channelElement->appendChild($link);
+
+        foreach ($this->items as $item) {
+            $this->channelElement->appendChild($item->build());
+        }
+
+        $this->rssElement->appendChild($this->channelElement);
+        $this->getDocument()->appendChild($this->rssElement);
+
+        if ($filename !== '') {
+            $this->getDocument()->save($filename);
+        }
+
+        return $this->getDocument()->saveXML();
+    }
+}