1 files changed, 172 insertions, 0 deletions
diff --git a/3rdparty/fguillot/picofeed/lib/PicoFeed/Serialization/Import.php b/3rdparty/fguillot/picofeed/lib/PicoFeed/Serialization/Import.php
new file mode 100644
index 000000000..8de2d8511
--- /dev/null
+++ b/3rdparty/fguillot/picofeed/lib/PicoFeed/Serialization/Import.php
@@ -0,0 +1,172 @@
+<?php
+
+namespace PicoFeed\Serialization;
+
+use SimpleXmlElement;
+use StdClass;
+
+use PicoFeed\Logging\Logging;
+use PicoFeed\Parser\XmlParser;
+
+/**
+ * OPML Import
+ *
+ * @author  Frederic Guillot
+ * @package Serialization
+ */
+class Import
+{
+    /**
+     * OPML file content
+     *
+     * @access private
+     * @var string
+     */
+    private $content = '';
+
+    /**
+     * Subscriptions
+     *
+     * @access private
+     * @var array
+     */
+    private $items = array();
+
+    /**
+     * Constructor
+     *
+     * @access public
+     * @param  string  $content   OPML file content
+     */
+    public function __construct($content)
+    {
+        $this->content = $content;
+    }
+
+    /**
+     * Parse the OPML file
+     *
+     * @access public
+     * @return array|false
+     */
+    public function execute()
+    {
+        Logging::setMessage(get_called_class().': start importation');
+
+        $xml = XmlParser::getSimpleXml(trim($this->content));
+
+        if ($xml === false || $xml->getName() !== 'opml' || ! isset($xml->body)) {
+            Logging::setMessage(get_called_class().': OPML tag not found or malformed XML document');
+            return false;
+        }
+
+        $this->parseEntries($xml->body);
+        Logging::setMessage(get_called_class().': '.count($this->items).' subscriptions found');
+
+        return $this->items;
+    }
+
+    /**
+     * Parse each entries of the subscription list
+     *
+     * @access public
+     * @param  SimpleXMLElement   $tree   XML node
+     */
+    public function parseEntries($tree)
+    {
+        if (isset($tree->outline)) {
+
+            foreach ($tree->outline as $item) {
+
+                if (isset($item->outline)) {
+                    $this->parseEntries($item);
+                }
+                else if ((isset($item['text']) || isset($item['title'])) && isset($item['xmlUrl'])) {
+
+                    $entry = new StdClass;
+                    $entry->category = $this->findCategory($tree);
+                    $entry->title = $this->findTitle($item);
+                    $entry->feed_url = $this->findFeedUrl($item);
+                    $entry->site_url = $this->findSiteUrl($item, $entry);
+                    $entry->type = $this->findType($item);
+                    $entry->description = $this->findDescription($item, $entry);
+                    $this->items[] = $entry;
+                }
+            }
+        }
+    }
+
+    /**
+     * Find category
+     *
+     * @access public
+     * @param  SimpleXmlElement    $tree    XML tree
+     * @return string
+     */
+    public function findCategory(SimpleXmlElement $tree)
+    {
+        return isset($tree['title']) ? (string) $tree['title'] : (string) $tree['text'];
+    }
+
+    /**
+     * Find title
+     *
+     * @access public
+     * @param  SimpleXmlElement    $item    XML tree
+     * @return string
+     */
+    public function findTitle(SimpleXmlElement $item)
+    {
+        return isset($item['title']) ? (string) $item['title'] : (string) $item['text'];
+    }
+
+    /**
+     * Find feed url
+     *
+     * @access public
+     * @param  SimpleXmlElement    $item    XML tree
+     * @return string
+     */
+    public function findFeedUrl(SimpleXmlElement $item)
+    {
+        return (string) $item['xmlUrl'];
+    }
+
+    /**
+     * Find site url
+     *
+     * @access public
+     * @param  SimpleXmlElement    $item    XML tree
+     * @param  StdClass            $entry   Feed entry
+     * @return string
+     */
+    public function findSiteUrl(SimpleXmlElement $item, StdClass $entry)
+    {
+        return isset($item['htmlUrl']) ? (string) $item['htmlUrl'] : $entry->feed_url;
+    }
+
+    /**
+     * Find type
+     *
+     * @access public
+     * @param  SimpleXmlElement    $item    XML tree
+     * @return string
+     */
+    public function findType(SimpleXmlElement $item)
+    {
+        return isset($item['version']) ? (string) $item['version'] : isset($item['type']) ? (string) $item['type'] : 'rss';
+    }
+
+    /**
+     * Find description
+     *
+     * @access public
+     * @param  SimpleXmlElement    $item    XML tree
+     * @param  StdClass            $entry   Feed entry
+     * @return string
+     */
+    public function findDescription(SimpleXmlElement $item, StdClass $entry)
+    {
+        return isset($item['description']) ? (string) $item['description'] : $entry->title;
+    }
+}