Include composer dependencies in repo

1 files changed, 382 insertions, 0 deletions

diff --git a/vendor/miniflux/picofeed/lib/PicoFeed/Parser/Atom.php b/vendor/miniflux/picofeed/lib/PicoFeed/Parser/Atom.php
new file mode 100644
index 00000000..1c570a08
--- /dev/null
+++ b/vendor/miniflux/picofeed/lib/PicoFeed/Parser/Atom.php
@@ -0,0 +1,382 @@
+<?php
+
+namespace PicoFeed\Parser;
+
+use SimpleXMLElement;
+use PicoFeed\Filter\Filter;
+use PicoFeed\Client\Url;
+
+/**
+ * Atom parser.
+ *
+ * @package PicoFeed\Parser
+ * @author  Frederic Guillot
+ */
+class Atom extends Parser
+{
+    /**
+     * Supported namespaces.
+     */
+    protected $namespaces = array(
+        'atom' => 'http://www.w3.org/2005/Atom',
+    );
+
+    /**
+     * Get the path to the items XML tree.
+     *
+     * @param SimpleXMLElement $xml Feed xml
+     *
+     * @return SimpleXMLElement
+     */
+    public function getItemsTree(SimpleXMLElement $xml)
+    {
+        return XmlParser::getXPathResult($xml, 'atom:entry', $this->namespaces)
+               ?: XmlParser::getXPathResult($xml, 'entry');
+    }
+
+    /**
+     * Find the feed url.
+     *
+     * @param SimpleXMLElement      $xml  Feed xml
+     * @param \PicoFeed\Parser\Feed $feed Feed object
+     */
+    public function findFeedUrl(SimpleXMLElement $xml, Feed $feed)
+    {
+        $feed->setFeedUrl($this->getUrl($xml, 'self'));
+    }
+
+    /**
+     * Find the site url.
+     *
+     * @param SimpleXMLElement      $xml  Feed xml
+     * @param \PicoFeed\Parser\Feed $feed Feed object
+     */
+    public function findSiteUrl(SimpleXMLElement $xml, Feed $feed)
+    {
+        $feed->setSiteUrl($this->getUrl($xml, 'alternate', true));
+    }
+
+    /**
+     * Find the feed description.
+     *
+     * @param SimpleXMLElement      $xml  Feed xml
+     * @param \PicoFeed\Parser\Feed $feed Feed object
+     */
+    public function findFeedDescription(SimpleXMLElement $xml, Feed $feed)
+    {
+        $description = XmlParser::getXPathResult($xml, 'atom:subtitle', $this->namespaces)
+                       ?: XmlParser::getXPathResult($xml, 'subtitle');
+
+        $feed->setDescription(XmlParser::getValue($description));
+    }
+
+    /**
+     * Find the feed logo url.
+     *
+     * @param SimpleXMLElement      $xml  Feed xml
+     * @param \PicoFeed\Parser\Feed $feed Feed object
+     */
+    public function findFeedLogo(SimpleXMLElement $xml, Feed $feed)
+    {
+        $logo = XmlParser::getXPathResult($xml, 'atom:logo', $this->namespaces)
+                ?: XmlParser::getXPathResult($xml, 'logo');
+
+        $feed->setLogo(XmlParser::getValue($logo));
+    }
+
+    /**
+     * Find the feed icon.
+     *
+     * @param SimpleXMLElement      $xml  Feed xml
+     * @param \PicoFeed\Parser\Feed $feed Feed object
+     */
+    public function findFeedIcon(SimpleXMLElement $xml, Feed $feed)
+    {
+        $icon = XmlParser::getXPathResult($xml, 'atom:icon', $this->namespaces)
+                ?: XmlParser::getXPathResult($xml, 'icon');
+
+        $feed->setIcon(XmlParser::getValue($icon));
+    }
+
+    /**
+     * Find the feed title.
+     *
+     * @param SimpleXMLElement      $xml  Feed xml
+     * @param \PicoFeed\Parser\Feed $feed Feed object
+     */
+    public function findFeedTitle(SimpleXMLElement $xml, Feed $feed)
+    {
+        $title = XmlParser::getXPathResult($xml, 'atom:title', $this->namespaces)
+                ?: XmlParser::getXPathResult($xml, 'title');
+
+        $feed->setTitle(Filter::stripWhiteSpace(XmlParser::getValue($title)) ?: $feed->getSiteUrl());
+    }
+
+    /**
+     * Find the feed language.
+     *
+     * @param SimpleXMLElement      $xml  Feed xml
+     * @param \PicoFeed\Parser\Feed $feed Feed object
+     */
+    public function findFeedLanguage(SimpleXMLElement $xml, Feed $feed)
+    {
+        $language = XmlParser::getXPathResult($xml, '*[not(self::atom:entry)]/@xml:lang', $this->namespaces)
+                    ?: XmlParser::getXPathResult($xml, '@xml:lang');
+
+        $feed->setLanguage(XmlParser::getValue($language));
+    }
+
+    /**
+     * Find the feed id.
+     *
+     * @param SimpleXMLElement      $xml  Feed xml
+     * @param \PicoFeed\Parser\Feed $feed Feed object
+     */
+    public function findFeedId(SimpleXMLElement $xml, Feed $feed)
+    {
+        $id = XmlParser::getXPathResult($xml, 'atom:id', $this->namespaces)
+              ?: XmlParser::getXPathResult($xml, 'id');
+
+        $feed->setId(XmlParser::getValue($id));
+    }
+
+    /**
+     * Find the feed date.
+     *
+     * @param SimpleXMLElement      $xml  Feed xml
+     * @param \PicoFeed\Parser\Feed $feed Feed object
+     */
+    public function findFeedDate(SimpleXMLElement $xml, Feed $feed)
+    {
+        $updated = XmlParser::getXPathResult($xml, 'atom:updated', $this->namespaces)
+                   ?: XmlParser::getXPathResult($xml, 'updated');
+
+        $feed->setDate($this->getDateParser()->getDateTime(XmlParser::getValue($updated)));
+    }
+
+    /**
+     * Find the item published date.
+     *
+     * @param SimpleXMLElement      $entry Feed item
+     * @param Item                  $item  Item object
+     * @param \PicoFeed\Parser\Feed $feed  Feed object
+     */
+    public function findItemPublishedDate(SimpleXMLElement $entry, Item $item, Feed $feed)
+    {
+        $date = XmlParser::getXPathResult($entry, 'atom:published', $this->namespaces)
+            ?: XmlParser::getXPathResult($entry, 'published');
+
+        $item->setPublishedDate(!empty($date) ? $this->getDateParser()->getDateTime((string) current($date)) : null);
+    }
+
+    /**
+     * Find the item updated date.
+     *
+     * @param SimpleXMLElement      $entry Feed item
+     * @param Item                  $item  Item object
+     * @param \PicoFeed\Parser\Feed $feed  Feed object
+     */
+    public function findItemUpdatedDate(SimpleXMLElement $entry, Item $item, Feed $feed)
+    {
+        $date = XmlParser::getXPathResult($entry, 'atom:updated', $this->namespaces)
+            ?: XmlParser::getXPathResult($entry, 'updated');
+
+        $item->setUpdatedDate(!empty($date) ? $this->getDateParser()->getDateTime((string) current($date)) : null);
+    }
+
+    /**
+     * Find the item title.
+     *
+     * @param SimpleXMLElement $entry Feed item
+     * @param Item             $item  Item object
+     */
+    public function findItemTitle(SimpleXMLElement $entry, Item $item)
+    {
+        $title = XmlParser::getXPathResult($entry, 'atom:title', $this->namespaces)
+                 ?: XmlParser::getXPathResult($entry, 'title');
+
+        $item->setTitle(Filter::stripWhiteSpace(XmlParser::getValue($title)) ?: $item->getUrl());
+    }
+
+    /**
+     * Find the item author.
+     *
+     * @param SimpleXMLElement      $xml   Feed
+     * @param SimpleXMLElement      $entry Feed item
+     * @param \PicoFeed\Parser\Item $item  Item object
+     */
+    public function findItemAuthor(SimpleXMLElement $xml, SimpleXMLElement $entry, Item $item)
+    {
+        $author = XmlParser::getXPathResult($entry, 'atom:author/atom:name', $this->namespaces)
+                  ?: XmlParser::getXPathResult($entry, 'author/name')
+                  ?: XmlParser::getXPathResult($xml, 'atom:author/atom:name', $this->namespaces)
+                  ?: XmlParser::getXPathResult($xml, 'author/name');
+
+        $item->setAuthor(XmlParser::getValue($author));
+    }
+
+    /**
+     * Find the item content.
+     *
+     * @param SimpleXMLElement      $entry Feed item
+     * @param \PicoFeed\Parser\Item $item  Item object
+     */
+    public function findItemContent(SimpleXMLElement $entry, Item $item)
+    {
+        $item->setContent($this->getContent($entry));
+    }
+
+    /**
+     * Find the item URL.
+     *
+     * @param SimpleXMLElement      $entry Feed item
+     * @param \PicoFeed\Parser\Item $item  Item object
+     */
+    public function findItemUrl(SimpleXMLElement $entry, Item $item)
+    {
+        $item->setUrl($this->getUrl($entry, 'alternate', true));
+    }
+
+    /**
+     * Genereate the item id.
+     *
+     * @param SimpleXMLElement      $entry Feed item
+     * @param \PicoFeed\Parser\Item $item  Item object
+     * @param \PicoFeed\Parser\Feed $feed  Feed object
+     */
+    public function findItemId(SimpleXMLElement $entry, Item $item, Feed $feed)
+    {
+        $id = XmlParser::getXPathResult($entry, 'atom:id', $this->namespaces)
+                  ?: XmlParser::getXPathResult($entry, 'id');
+
+        if (!empty($id)) {
+            $item->setId($this->generateId(XmlParser::getValue($id)));
+        } else {
+            $item->setId($this->generateId(
+                $item->getTitle(), $item->getUrl(), $item->getContent()
+            ));
+        }
+    }
+
+    /**
+     * Find the item enclosure.
+     *
+     * @param SimpleXMLElement      $entry Feed item
+     * @param \PicoFeed\Parser\Item $item  Item object
+     * @param \PicoFeed\Parser\Feed $feed  Feed object
+     */
+    public function findItemEnclosure(SimpleXMLElement $entry, Item $item, Feed $feed)
+    {
+        $enclosure = $this->findLink($entry, 'enclosure');
+
+        if ($enclosure) {
+            $item->setEnclosureUrl(Url::resolve((string) $enclosure['href'], $feed->getSiteUrl()));
+            $item->setEnclosureType((string) $enclosure['type']);
+        }
+    }
+
+    /**
+     * Find the item language.
+     *
+     * @param SimpleXMLElement      $entry Feed item
+     * @param \PicoFeed\Parser\Item $item  Item object
+     * @param \PicoFeed\Parser\Feed $feed  Feed object
+     */
+    public function findItemLanguage(SimpleXMLElement $entry, Item $item, Feed $feed)
+    {
+        $language = XmlParser::getXPathResult($entry, './/@xml:lang');
+        $item->setLanguage(XmlParser::getValue($language) ?: $feed->getLanguage());
+    }
+
+    /**
+     * Find the item categories.
+     *
+     * @param SimpleXMLElement      $entry Feed item
+     * @param Item $item  Item object
+     * @param Feed $feed  Feed object
+     */
+    public function findItemCategories(SimpleXMLElement $entry, Item $item, Feed $feed)
+    {
+        $categories = XmlParser::getXPathResult($entry, 'atom:category/@term', $this->namespaces)
+                 ?: XmlParser::getXPathResult($entry, 'category/@term');
+        $item->setCategoriesFromXml($categories);
+    }
+
+    /**
+     * Get the URL from a link tag.
+     *
+     * @param SimpleXMLElement $xml XML tag
+     * @param string           $rel Link relationship: alternate, enclosure, related, self, via
+     *
+     * @return string
+     */
+    private function getUrl(SimpleXMLElement $xml, $rel, $fallback = false)
+    {
+        $link = $this->findLink($xml, $rel);
+
+        if ($link) {
+            return (string) $link['href'];
+        }
+
+        if ($fallback) {
+            $link = $this->findLink($xml, '');
+            return $link ? (string) $link['href'] : '';
+        }
+
+        return '';
+    }
+
+    /**
+     * Get a link tag that match a relationship.
+     *
+     * @param SimpleXMLElement $xml XML tag
+     * @param string           $rel Link relationship: alternate, enclosure, related, self, via
+     *
+     * @return SimpleXMLElement|null
+     */
+    private function findLink(SimpleXMLElement $xml, $rel)
+    {
+        $links = XmlParser::getXPathResult($xml, 'atom:link', $this->namespaces)
+                ?: XmlParser::getXPathResult($xml, 'link');
+
+        foreach ($links as $link) {
+            if ($rel === (string) $link['rel']) {
+                return $link;
+            }
+        }
+
+        return null;
+    }
+
+    /**
+     * Get the entry content.
+     *
+     * @param SimpleXMLElement $entry XML Entry
+     *
+     * @return string
+     */
+    private function getContent(SimpleXMLElement $entry)
+    {
+        $content = current(
+            XmlParser::getXPathResult($entry, 'atom:content', $this->namespaces)
+            ?: XmlParser::getXPathResult($entry, 'content')
+        );
+
+        if (!empty($content) && count($content->children())) {
+            $xml_string = '';
+
+            foreach ($content->children() as $child) {
+                $xml_string .= $child->asXML();
+            }
+
+            return $xml_string;
+        } elseif (trim((string) $content) !== '') {
+            return (string) $content;
+        }
+
+        $summary = XmlParser::getXPathResult($entry, 'atom:summary', $this->namespaces)
+                   ?: XmlParser::getXPathResult($entry, 'summary');
+
+        return (string) current($summary);
+    }
+}