dont use picofeed submodule

13 files changed, 2173 insertions, 0 deletions

diff --git a/vendor/fguillot/picofeed b/vendor/fguillot/picofeed
deleted file mode 160000
-Subproject 0a1d0d3950f7f047dc8fb1d80aa6296e15f306d
diff --git a/vendor/fguillot/picofeed/lib/PicoFeed/Parser/Atom.php b/vendor/fguillot/picofeed/lib/PicoFeed/Parser/Atom.php
new file mode 100644
index 000000000..9f2f108d8
--- /dev/null
+++ b/vendor/fguillot/picofeed/lib/PicoFeed/Parser/Atom.php
@@ -0,0 +1,336 @@
+<?php
+
+namespace PicoFeed\Parser;
+
+use SimpleXMLElement;
+use PicoFeed\Filter\Filter;
+use PicoFeed\Client\Url;
+
+/**
+ * Atom parser
+ *
+ * @author  Frederic Guillot
+ * @package Parser
+ */
+class Atom extends Parser
+{
+    /**
+     * Get the path to the items XML tree
+     *
+     * @access public
+     * @param  SimpleXMLElement   $xml   Feed xml
+     * @return SimpleXMLElement
+     */
+    public function getItemsTree(SimpleXMLElement $xml)
+    {
+        return $xml->entry;
+    }
+
+    /**
+     * Find the feed url
+     *
+     * @access public
+     * @param  SimpleXMLElement          $xml     Feed xml
+     * @param  \PicoFeed\Parser\Feed     $feed    Feed object
+     */
+    public function findFeedUrl(SimpleXMLElement $xml, Feed $feed)
+    {
+        $feed->feed_url = $this->getUrl($xml, 'self');
+    }
+
+    /**
+     * Find the site url
+     *
+     * @access public
+     * @param  SimpleXMLElement          $xml     Feed xml
+     * @param  \PicoFeed\Parser\Feed     $feed    Feed object
+     */
+    public function findSiteUrl(SimpleXMLElement $xml, Feed $feed)
+    {
+        $feed->site_url = $this->getUrl($xml, 'alternate', true);
+    }
+
+    /**
+     * Find the feed description
+     *
+     * @access public
+     * @param  SimpleXMLElement          $xml     Feed xml
+     * @param  \PicoFeed\Parser\Feed     $feed    Feed object
+     */
+    public function findFeedDescription(SimpleXMLElement $xml, Feed $feed)
+    {
+        $feed->description = (string) $xml->subtitle;
+    }
+
+    /**
+     * Find the feed logo url
+     *
+     * @access public
+     * @param  SimpleXMLElement          $xml     Feed xml
+     * @param  \PicoFeed\Parser\Feed     $feed    Feed object
+     */
+    public function findFeedLogo(SimpleXMLElement $xml, Feed $feed)
+    {
+        $feed->logo = (string) $xml->logo;
+    }
+
+    /**
+     * Find the feed icon
+     *
+     * @access public
+     * @param  SimpleXMLElement          $xml     Feed xml
+     * @param  \PicoFeed\Parser\Feed     $feed    Feed object
+     */
+    public function findFeedIcon(SimpleXMLElement $xml, Feed $feed)
+    {
+        $feed->icon = (string) $xml->icon;
+    }
+
+    /**
+     * Find the feed title
+     *
+     * @access public
+     * @param  SimpleXMLElement          $xml     Feed xml
+     * @param  \PicoFeed\Parser\Feed     $feed    Feed object
+     */
+    public function findFeedTitle(SimpleXMLElement $xml, Feed $feed)
+    {
+        $feed->title = Filter::stripWhiteSpace((string) $xml->title) ?: $feed->getSiteUrl();
+    }
+
+    /**
+     * Find the feed language
+     *
+     * @access public
+     * @param  SimpleXMLElement          $xml     Feed xml
+     * @param  \PicoFeed\Parser\Feed     $feed    Feed object
+     */
+    public function findFeedLanguage(SimpleXMLElement $xml, Feed $feed)
+    {
+        $feed->language = XmlParser::getXmlLang($this->content);
+    }
+
+    /**
+     * Find the feed id
+     *
+     * @access public
+     * @param  SimpleXMLElement          $xml     Feed xml
+     * @param  \PicoFeed\Parser\Feed     $feed    Feed object
+     */
+    public function findFeedId(SimpleXMLElement $xml, Feed $feed)
+    {
+        $feed->id = (string) $xml->id;
+    }
+
+    /**
+     * Find the feed date
+     *
+     * @access public
+     * @param  SimpleXMLElement          $xml     Feed xml
+     * @param  \PicoFeed\Parser\Feed     $feed    Feed object
+     */
+    public function findFeedDate(SimpleXMLElement $xml, Feed $feed)
+    {
+        $feed->date = $this->date->getTimestamp((string) $xml->updated);
+    }
+
+    /**
+     * Find the item date
+     *
+     * @access public
+     * @param  SimpleXMLElement   $entry   Feed item
+     * @param  Item               $item    Item object
+     */
+    public function findItemDate(SimpleXMLElement $entry, Item $item)
+    {
+        $published = isset($entry->published) ? $this->date->getTimestamp((string) $entry->published) : 0;
+        $updated = isset($entry->updated) ? $this->date->getTimestamp((string) $entry->updated) : 0;
+
+        $item->date = max($published, $updated) ?: time();
+    }
+
+    /**
+     * Find the item title
+     *
+     * @access public
+     * @param  SimpleXMLElement   $entry   Feed item
+     * @param  Item               $item    Item object
+     */
+    public function findItemTitle(SimpleXMLElement $entry, Item $item)
+    {
+        $item->title = Filter::stripWhiteSpace((string) $entry->title);
+
+        if (empty($item->title)) {
+            $item->title = $item->url;
+        }
+    }
+
+    /**
+     * Find the item author
+     *
+     * @access public
+     * @param  SimpleXMLElement          $xml     Feed
+     * @param  SimpleXMLElement          $entry   Feed item
+     * @param  \PicoFeed\Parser\Item     $item    Item object
+     */
+    public function findItemAuthor(SimpleXMLElement $xml, SimpleXMLElement $entry, Item $item)
+    {
+        if (isset($entry->author->name)) {
+            $item->author = (string) $entry->author->name;
+        }
+        else {
+            $item->author = (string) $xml->author->name;
+        }
+    }
+
+    /**
+     * Find the item content
+     *
+     * @access public
+     * @param  SimpleXMLElement   $entry   Feed item
+     * @param  \PicoFeed\Parser\Item     $item    Item object
+     */
+    public function findItemContent(SimpleXMLElement $entry, Item $item)
+    {
+        $item->content = $this->getContent($entry);
+    }
+
+    /**
+     * Find the item URL
+     *
+     * @access public
+     * @param  SimpleXMLElement   $entry   Feed item
+     * @param  \PicoFeed\Parser\Item     $item    Item object
+     */
+    public function findItemUrl(SimpleXMLElement $entry, Item $item)
+    {
+        $item->url = $this->getUrl($entry, 'alternate', true);
+    }
+
+    /**
+     * Genereate the item id
+     *
+     * @access public
+     * @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 = (string) $entry->id;
+
+        if ($id) {
+            $item->id = $this->generateId($id);
+        }
+        else {
+            $item->id = $this->generateId(
+                $item->getTitle(), $item->getUrl(), $item->getContent()
+            );
+        }
+    }
+
+    /**
+     * Find the item enclosure
+     *
+     * @access public
+     * @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->enclosure_url = Url::resolve((string) $enclosure['href'], $feed->getSiteUrl());
+            $item->enclosure_type = (string) $enclosure['type'];
+        }
+    }
+
+    /**
+     * Find the item language
+     *
+     * @access public
+     * @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 = (string) $entry->attributes('xml', true)->{'lang'};
+
+        if ($language === '') {
+            $language = $feed->language;
+        }
+
+        $item->language = $language;
+    }
+
+    /**
+     * Get the URL from a link tag
+     *
+     * @access private
+     * @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
+     *
+     * @access private
+     * @param  SimpleXMLElement   $xml      XML tag
+     * @param  string             $rel      Link relationship: alternate, enclosure, related, self, via
+     * @return SimpleXMLElement|null
+     */
+    private function findLink(SimpleXMLElement $xml, $rel)
+    {
+        foreach ($xml->link as $link) {
+            if ($rel === (string) $link['rel']) {
+                return $link;
+            }
+        }
+
+        return null;
+    }
+
+    /**
+     * Get the entry content
+     *
+     * @access private
+     * @param  SimpleXMLElement   $entry   XML Entry
+     * @return string
+     */
+    private function getContent(SimpleXMLElement $entry)
+    {
+        if (isset($entry->content) && ! empty($entry->content)) {
+
+            if (count($entry->content->children())) {
+                return (string) $entry->content->asXML();
+            }
+            else {
+                return (string) $entry->content;
+            }
+        }
+        else if (isset($entry->summary) && ! empty($entry->summary)) {
+            return (string) $entry->summary;
+        }
+
+        return '';
+    }
+}
diff --git a/vendor/fguillot/picofeed/lib/PicoFeed/Parser/DateParser.php b/vendor/fguillot/picofeed/lib/PicoFeed/Parser/DateParser.php
new file mode 100644
index 000000000..89f189e7a
--- /dev/null
+++ b/vendor/fguillot/picofeed/lib/PicoFeed/Parser/DateParser.php
@@ -0,0 +1,109 @@
+<?php
+
+namespace PicoFeed\Parser;
+
+use DateTime;
+use DateTimeZone;
+
+/**
+ * Date Parser
+ *
+ * @author  Frederic Guillot
+ * @package Parser
+ */
+class DateParser
+{
+    /**
+     * Timezone used to parse feed dates
+     *
+     * @access public
+     * @var string
+     */
+    public $timezone = 'UTC';
+
+    /** 
+     * Supported formats [ 'format' => length ]
+     *
+     * @access public
+     * @var array
+     */
+    public $formats = array(
+        DATE_ATOM => null,
+        DATE_RSS => null,
+        DATE_COOKIE => null,
+        DATE_ISO8601 => null,
+        DATE_RFC822 => null,
+        DATE_RFC850 => null,
+        DATE_RFC1036 => null,
+        DATE_RFC1123 => null,
+        DATE_RFC2822 => null,
+        DATE_RFC3339 => null,
+        'D, d M Y H:i:s' => 25,
+        'D, d M Y h:i:s' => 25,
+        'D M d Y H:i:s' => 24,
+        'j M Y H:i:s' => 20,
+        'Y-m-d H:i:s' => 19,
+        'Y-m-d\TH:i:s' => 19,
+        'd/m/Y H:i:s' => 19,
+        'D, d M Y' => 16,
+        'Y-m-d' => 10,
+        'd-m-Y' => 10,
+        'm-d-Y' => 10,
+        'd.m.Y' => 10,
+        'm.d.Y' => 10,
+        'd/m/Y' => 10,
+        'm/d/Y' => 10,
+    );
+
+    /**
+     * Try to parse all date format for broken feeds
+     *
+     * @access public
+     * @param  string  $value  Original date format
+     * @return integer         Timestamp
+     */
+    public function getTimestamp($value)
+    {
+        $value = trim($value);
+
+        foreach ($this->formats as $format => $length) {
+
+            $truncated_value = $value;
+            if ($length !== null) {
+                $truncated_value = substr($truncated_value, 0, $length);
+            }
+
+            $timestamp = $this->getValidDate($format, $truncated_value);
+            if ($timestamp > 0) {
+                return $timestamp;
+            }
+        }
+
+        $date = new DateTime('now', new DateTimeZone($this->timezone));
+        return $date->getTimestamp();
+    }
+
+    /**
+     * Get a valid date from a given format
+     *
+     * @access public
+     * @param  string  $format   Date format
+     * @param  string  $value    Original date value
+     * @return integer           Timestamp
+     */
+    public function getValidDate($format, $value)
+    {
+        $date = DateTime::createFromFormat($format, $value, new DateTimeZone($this->timezone));
+
+        if ($date !== false) {
+
+            $errors = DateTime::getLastErrors();
+
+            if ($errors['error_count'] === 0 && $errors['warning_count'] === 0) {
+                return $date->getTimestamp();
+            }
+        }
+
+        return 0;
+    }
+}
diff --git a/vendor/fguillot/picofeed/lib/PicoFeed/Parser/Feed.php b/vendor/fguillot/picofeed/lib/PicoFeed/Parser/Feed.php
new file mode 100644
index 000000000..74e9ab4da
--- /dev/null
+++ b/vendor/fguillot/picofeed/lib/PicoFeed/Parser/Feed.php
@@ -0,0 +1,238 @@
+<?php
+
+namespace PicoFeed\Parser;
+
+/**
+ * Feed
+ *
+ * @author  Frederic Guillot
+ * @package Parser
+ */
+class Feed
+{
+    /**
+     * Feed items
+     *
+     * @access public
+     * @var array
+     */
+    public $items = array();
+
+    /**
+     * Feed id
+     *
+     * @access public
+     * @var string
+     */
+    public $id = '';
+
+    /**
+     * Feed title
+     *
+     * @access public
+     * @var string
+     */
+    public $title = '';
+
+    /**
+     * Feed description
+     *
+     * @access public
+     * @var string
+     */
+    public $description = '';
+
+    /**
+     * Feed url
+     *
+     * @access public
+     * @var string
+     */
+    public $feed_url = '';
+
+    /**
+     * Site url
+     *
+     * @access public
+     * @var string
+     */
+    public $site_url = '';
+
+    /**
+     * Feed date
+     *
+     * @access public
+     * @var integer
+     */
+    public $date = 0;
+
+    /**
+     * Feed language
+     *
+     * @access public
+     * @var string
+     */
+    public $language = '';
+
+    /**
+     * Feed logo URL
+     *
+     * @access public
+     * @var string
+     */
+    public $logo = '';
+
+    /**
+     * Feed icon URL
+     *
+     * @access public
+     * @var string
+     */
+    public $icon = '';
+
+    /**
+     * Return feed information
+     *
+     * @access public
+     * $return string
+     */
+    public function __toString()
+    {
+        $output = '';
+
+        foreach (array('id', 'title', 'feed_url', 'site_url', 'date', 'language', 'description', 'logo') as $property) {
+            $output .= 'Feed::'.$property.' = '.$this->$property.PHP_EOL;
+        }
+
+        $output .= 'Feed::isRTL() = '.($this->isRTL() ? 'true' : 'false').PHP_EOL;
+        $output .= 'Feed::items = '.count($this->items).' items'.PHP_EOL;
+
+        foreach ($this->items as $item) {
+            $output .= '----'.PHP_EOL;
+            $output .= $item;
+        }
+
+        return $output;
+    }
+
+    /**
+     * Get title
+     *
+     * @access public
+     * $return string
+     */
+    public function getTitle()
+    {
+        return $this->title;
+    }
+
+    /**
+     * Get description
+     *
+     * @access public
+     * $return string
+     */
+    public function getDescription()
+    {
+        return $this->description;
+    }
+
+    /**
+     * Get the logo url
+     *
+     * @access public
+     * $return string
+     */
+    public function getLogo()
+    {
+        return $this->logo;
+    }
+
+    /**
+     * Get the icon url
+     *
+     * @access public
+     * $return string
+     */
+    public function getIcon()
+    {
+        return $this->icon;
+    }
+
+    /**
+     * Get feed url
+     *
+     * @access public
+     * $return string
+     */
+    public function getFeedUrl()
+    {
+        return $this->feed_url;
+    }
+
+    /**
+     * Get site url
+     *
+     * @access public
+     * $return string
+     */
+    public function getSiteUrl()
+    {
+        return $this->site_url;
+    }
+
+    /**
+     * Get date
+     *
+     * @access public
+     * $return integer
+     */
+    public function getDate()
+    {
+        return $this->date;
+    }
+
+    /**
+     * Get language
+     *
+     * @access public
+     * $return string
+     */
+    public function getLanguage()
+    {
+        return $this->language;
+    }
+
+    /**
+     * Get id
+     *
+     * @access public
+     * $return string
+     */
+    public function getId()
+    {
+        return $this->id;
+    }
+
+    /**
+     * Get feed items
+     *
+     * @access public
+     * $return array
+     */
+    public function getItems()
+    {
+        return $this->items;
+    }
+
+    /**
+     * Return true if the feed is "Right to Left"
+     *
+     * @access public
+     * @return bool
+     */
+    public function isRTL()
+    {
+        return Parser::isLanguageRTL($this->language);
+    }
+}
diff --git a/vendor/fguillot/picofeed/lib/PicoFeed/Parser/Item.php b/vendor/fguillot/picofeed/lib/PicoFeed/Parser/Item.php
new file mode 100644
index 000000000..3642cccea
--- /dev/null
+++ b/vendor/fguillot/picofeed/lib/PicoFeed/Parser/Item.php
@@ -0,0 +1,231 @@
+<?php
+
+namespace PicoFeed\Parser;
+
+/**
+ * Feed Item
+ *
+ * @author  Frederic Guillot
+ * @package Parser
+ */
+class Item
+{
+    /**
+     * List of known RTL languages
+     *
+     * @access public
+     * @var public
+     */
+    public $rtl = array(
+        'ar',  // Arabic (ar-**)
+        'fa',  // Farsi (fa-**)
+        'ur',  // Urdu (ur-**)
+        'ps',  // Pashtu (ps-**)
+        'syr', // Syriac (syr-**)
+        'dv',  // Divehi (dv-**)
+        'he',  // Hebrew (he-**)
+        'yi',  // Yiddish (yi-**)
+    );
+
+    /**
+     * Item id
+     *
+     * @access public
+     * @var string
+     */
+    public $id = '';
+
+    /**
+     * Item title
+     *
+     * @access public
+     * @var string
+     */
+    public $title = '';
+
+    /**
+     * Item url
+     *
+     * @access public
+     * @var string
+     */
+    public $url = '';
+
+    /**
+     * Item author
+     *
+     * @access public
+     * @var string
+     */
+    public $author= '';
+
+    /**
+     * Item date
+     *
+     * @access public
+     * @var integer
+     */
+    public $date = 0;
+
+    /**
+     * Item content
+     *
+     * @access public
+     * @var string
+     */
+    public $content = '';
+
+    /**
+     * Item enclosure url
+     *
+     * @access public
+     * @var string
+     */
+    public $enclosure_url = '';
+
+    /**
+     * Item enclusure type
+     *
+     * @access public
+     * @var string
+     */
+    public $enclosure_type = '';
+
+    /**
+     * Item language
+     *
+     * @access public
+     * @var string
+     */
+    public $language = '';
+
+    /**
+     * Return item information
+     *
+     * @access public
+     * $return string
+     */
+    public function __toString()
+    {
+        $output = '';
+
+        foreach (array('id', 'title', 'url', 'date', 'language', 'author', 'enclosure_url', 'enclosure_type') as $property) {
+            $output .= 'Item::'.$property.' = '.$this->$property.PHP_EOL;
+        }
+
+        $output .= 'Item::isRTL() = '.($this->isRTL() ? 'true' : 'false').PHP_EOL;
+        $output .= 'Item::content = '.strlen($this->content).' bytes'.PHP_EOL;
+
+        return $output;
+    }
+
+    /**
+     * Get title
+     *
+     * @access public
+     * $return string
+     */
+    public function getTitle()
+    {
+        return $this->title;
+    }
+
+    /**
+     * Get url
+     *
+     * @access public
+     * $return string
+     */
+    public function getUrl()
+    {
+        return $this->url;
+    }
+
+    /**
+     * Get id
+     *
+     * @access public
+     * $return string
+     */
+    public function getId()
+    {
+        return $this->id;
+    }
+
+    /**
+     * Get date
+     *
+     * @access public
+     * $return integer
+     */
+    public function getDate()
+    {
+        return $this->date;
+    }
+
+    /**
+     * Get content
+     *
+     * @access public
+     * $return string
+     */
+    public function getContent()
+    {
+        return $this->content;
+    }
+
+    /**
+     * Get enclosure url
+     *
+     * @access public
+     * $return string
+     */
+    public function getEnclosureUrl()
+    {
+        return $this->enclosure_url;
+    }
+
+    /**
+     * Get enclosure type
+     *
+     * @access public
+     * $return string
+     */
+    public function getEnclosureType()
+    {
+        return $this->enclosure_type;
+    }
+
+    /**
+     * Get language
+     *
+     * @access public
+     * $return string
+     */
+    public function getLanguage()
+    {
+        return $this->language;
+    }
+
+    /**
+     * Get author
+     *
+     * @access public
+     * $return string
+     */
+    public function getAuthor()
+    {
+        return $this->author;
+    }
+
+    /**
+     * Return true if the item is "Right to Left"
+     *
+     * @access public
+     * @return bool
+     */
+    public function isRTL()
+    {
+        return Parser::isLanguageRTL($this->language);
+    }
+}
diff --git a/vendor/fguillot/picofeed/lib/PicoFeed/Parser/MalformedXmlException.php b/vendor/fguillot/picofeed/lib/PicoFeed/Parser/MalformedXmlException.php
new file mode 100644
index 000000000..8464e9cac
--- /dev/null
+++ b/vendor/fguillot/picofeed/lib/PicoFeed/Parser/MalformedXmlException.php
@@ -0,0 +1,13 @@
+<?php
+
+namespace PicoFeed\Parser;
+
+/**
+ * MalformedXmlException Exception
+ *
+ * @author  Frederic Guillot
+ * @package Parser
+ */
+class MalformedXmlException extends ParserException
+{
+}
\ No newline at end of file
diff --git a/vendor/fguillot/picofeed/lib/PicoFeed/Parser/Parser.php b/vendor/fguillot/picofeed/lib/PicoFeed/Parser/Parser.php
new file mode 100644
index 000000000..7ada6d10f
--- /dev/null
+++ b/vendor/fguillot/picofeed/lib/PicoFeed/Parser/Parser.php
@@ -0,0 +1,567 @@
+<?php
+
+namespace PicoFeed\Parser;
+
+use SimpleXMLElement;
+use PicoFeed\Encoding\Encoding;
+use PicoFeed\Filter\Filter;
+use PicoFeed\Logging\Logger;
+use PicoFeed\Client\Url;
+use PicoFeed\Client\Grabber;
+
+/**
+ * Base parser class
+ *
+ * @author  Frederic Guillot
+ * @package Parser
+ */
+abstract class Parser
+{
+    /**
+     * Config object
+     *
+     * @access private
+     * @var \PicoFeed\Config\Config
+     */
+    private $config;
+
+    /**
+     * DateParser object
+     *
+     * @access protected
+     * @var \PicoFeed\Parser\DateParser
+     */
+    protected $date;
+
+    /**
+     * Hash algorithm used to generate item id, any value supported by PHP, see hash_algos()
+     *
+     * @access private
+     * @var string
+     */
+    private $hash_algo = 'sha256';
+
+    /**
+     * Feed content (XML data)
+     *
+     * @access protected
+     * @var string
+     */
+    protected $content = '';
+
+    /**
+     * Fallback url
+     *
+     * @access protected
+     * @var string
+     */
+    protected $fallback_url = '';
+
+    /**
+     * XML namespaces
+     *
+     * @access protected
+     * @var array
+     */
+    protected $namespaces = array();
+
+    /**
+     * Enable the content filtering
+     *
+     * @access private
+     * @var bool
+     */
+    private $enable_filter = true;
+
+    /**
+     * Enable the content grabber
+     *
+     * @access private
+     * @var bool
+     */
+    private $enable_grabber = false;
+
+    /**
+     * Ignore those urls for the content scraper
+     *
+     * @access private
+     * @var array
+     */
+    private $grabber_ignore_urls = array();
+
+    /**
+     * Constructor
+     *
+     * @access public
+     * @param  string  $content          Feed content
+     * @param  string  $http_encoding    HTTP encoding (headers)
+     * @param  string  $fallback_url     Fallback url when the feed provide relative or broken url
+     */
+    public function __construct($content, $http_encoding = '', $fallb