Merge pull request #761 from wallabag/dev

[github/wallabag/wallabag.git] / inc / 3rdparty / libraries / feedwriter / FeedItem.php

<?php\r
 /**\r
 * Univarsel Feed Writer\r
 *\r
 * FeedItem class - Used as feed element in FeedWriter class\r
 *\r
 * @package         UnivarselFeedWriter\r
 * @author          Anis uddin Ahmad <anisniit@gmail.com>\r
 * @link            http://www.ajaxray.com/projects/rss\r
 */\r
 class FeedItem\r
 {\r
    private $elements = array();    //Collection of feed elements\r
    private $version;\r
\r
    /**\r
    * Constructor\r
    *\r
    * @param    contant     (RSS1/RSS2/ATOM) RSS2 is default.\r
    */\r
    function __construct($version = RSS2)\r
    {\r
        $this->version = $version;\r
    }\r
\r
    /**\r
    * Set element (overwrites existing elements with $elementName)\r
    *\r
    * @access   public\r
    * @param    srting  The tag name of an element\r
    * @param    srting  The content of tag\r
    * @param    array   Attributes(if any) in 'attrName' => 'attrValue' format\r
    * @return   void\r
    */\r
    public function setElement($elementName, $content, $attributes = null)\r
    {\r
        if (isset($this->elements[$elementName])) {\r
            unset($this->elements[$elementName]);\r
        }\r
        $this->addElement($elementName, $content, $attributes);\r
    }\r
\r
    /**\r
    * Add an element to elements array\r
    *\r
    * @access   public\r
    * @param    srting  The tag name of an element\r
    * @param    srting  The content of tag\r
    * @param    array   Attributes(if any) in 'attrName' => 'attrValue' format\r
    * @return   void\r
    */\r
    public function addElement($elementName, $content, $attributes = null)\r
    {\r
        $i = 0;\r
        if (isset($this->elements[$elementName])) {\r
            $i = count($this->elements[$elementName]);\r
        } else {\r
            $this->elements[$elementName] = array();\r
        }\r
        $this->elements[$elementName][$i]['name']       = $elementName;\r
        $this->elements[$elementName][$i]['content']    = $content;\r
        $this->elements[$elementName][$i]['attributes'] = $attributes;\r
    }\r
\r
    /**\r
    * Set multiple feed elements from an array.\r
    * Elements which have attributes cannot be added by this method\r
    *\r
    * @access   public\r
    * @param    array   array of elements in 'tagName' => 'tagContent' format.\r
    * @return   void\r
    */\r
    public function addElementArray($elementArray)\r
    {\r
        if(! is_array($elementArray)) return;\r
        foreach ($elementArray as $elementName => $content)\r
        {\r
            $this->addElement($elementName, $content);\r
        }\r
    }\r
\r
    /**\r
    * Return the collection of elements in this feed item\r
    *\r
    * @access   public\r
    * @return   array\r
    */\r
    public function getElements()\r
    {\r
        return $this->elements;\r
    }\r
\r
    // Wrapper functions ------------------------------------------------------\r
\r
    /**\r
    * Set the 'dscription' element of feed item\r
    *\r
    * @access   public\r
    * @param    string  The content of 'description' element\r
    * @return   void\r
    */\r
    public function setDescription($description)\r
    {\r
        $tag = ($this->version == ATOM)? 'summary' : 'description';\r
        $this->setElement($tag, $description);\r
    }\r
\r
    /**\r
    * @desc     Set the 'title' element of feed item\r
    * @access   public\r
    * @param    string  The content of 'title' element\r
    * @return   void\r
    */\r
    public function setTitle($title)\r
    {\r
        $this->setElement('title', $title);\r
    }\r
\r
    /**\r
    * Set the 'date' element of feed item\r
    *\r
    * @access   public\r
    * @param    string  The content of 'date' element\r
    * @return   void\r
    */\r
    public function setDate($date)\r
    {\r
        if(! is_numeric($date))\r
        {\r
            $date = strtotime($date);\r
        }\r
\r
        if($this->version == ATOM)\r
        {\r
        	$tag    = 'updated';\r
        	$value  = date(DATE_ATOM, $date);\r
        }\r
        elseif($this->version == RSS2)\r
        {\r
        	$tag    = 'pubDate';\r
        	$value  = date(DATE_RSS, $date);\r
        }\r
        else\r
        {\r
        	$tag    = 'dc:date';\r
        	$value  = date("Y-m-d", $date);\r
        }\r
\r
        $this->setElement($tag, $value);\r
    }\r
\r
    /**\r
    * Set the 'link' element of feed item\r
    *\r
    * @access   public\r
    * @param    string  The content of 'link' element\r
    * @return   void\r
    */\r
    public function setLink($link)\r
    {\r
        if($this->version == RSS2 || $this->version == RSS1)\r
        {\r
            $this->setElement('link', $link);\r
            $this->setElement('guid', $link);\r
        }\r
        else\r
        {\r
            $this->setElement('link','',array('href'=>$link));\r
            $this->setElement('id', FeedWriter::uuid($link,'urn:uuid:'));\r
        }\r
\r
    }\r
\r
    /**\r
    * Set the 'source' element of feed item\r
    *\r
    * @access   public\r
    * @param    string  The content of 'source' element\r
    * @return   void\r
    */\r
    public function setSource($link)\r
    {\r
        $attributes = array('url'=>$link);\r
        $this->setElement('source', "wallabag",$attributes);\r
    }\r
\r
    /**\r
    * Set the 'encloser' element of feed item\r
    * For RSS 2.0 only\r
    *\r
    * @access   public\r
    * @param    string  The url attribute of encloser tag\r
    * @param    string  The length attribute of encloser tag\r
    * @param    string  The type attribute of encloser tag\r
    * @return   void\r
    */\r
    public function setEncloser($url, $length, $type)\r
    {\r
        $attributes = array('url'=>$url, 'length'=>$length, 'type'=>$type);\r
        $this->setElement('enclosure','',$attributes);\r
    }\r
\r
 } // end of class FeedItem\r
?>