add composer's vendor directory

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

@@ -0,0 +1,65 @@
+<?php
+
+namespace PicoFeed\Syndication;
+
+use DOMAttr;
+use DOMElement;
+
+/**
+ * Atom Feed Builder
+ *
+ * @package PicoFeed\Syndication
+ * @author  Frederic Guillot
+ */
+class AtomFeedBuilder extends FeedBuilder
+{
+    /**
+     * @var DOMElement
+     */
+    protected $feedElement;
+
+    /**
+     * @var AtomHelper
+     */
+    protected $helper;
+
+    /**
+     * Build feed
+     *
+     * @access public
+     * @param  string $filename
+     * @return string
+     */
+    public function build($filename = '')
+    {
+        $this->helper = new AtomHelper($this->getDocument());
+
+        $this->feedElement = $this->getDocument()->createElement('feed');
+        $this->feedElement->setAttributeNodeNS(new DomAttr('xmlns', 'http://www.w3.org/2005/Atom'));
+
+        $generator = $this->getDocument()->createElement('generator', 'PicoFeed');
+        $generator->setAttribute('uri', 'https://github.com/fguillot/picoFeed');
+        $this->feedElement->appendChild($generator);
+
+        $this->helper
+            ->buildTitle($this->feedElement, $this->feedTitle)
+            ->buildId($this->feedElement, $this->feedUrl)
+            ->buildDate($this->feedElement, $this->feedDate)
+            ->buildLink($this->feedElement, $this->siteUrl)
+            ->buildLink($this->feedElement, $this->feedUrl, 'self', 'application/atom+xml')
+            ->buildAuthor($this->feedElement, $this->authorName, $this->authorEmail, $this->authorUrl)
+        ;
+
+        foreach ($this->items as $item) {
+            $this->feedElement->appendChild($item->build());
+        }
+
+        $this->getDocument()->appendChild($this->feedElement);
+
+        if ($filename !== '') {
+            $this->getDocument()->save($filename);
+        }
+
+        return $this->getDocument()->saveXML();
+    }
+}