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

<?php\r
define('RSS2', 1, true);\r
define('JSON', 2, true);\r
define('JSONP', 3, true);\r
\r
 /**\r
 * Univarsel Feed Writer class\r
 *\r
 * Genarate RSS2 or JSON (original: RSS 1.0, RSS2.0 and ATOM Feed)\r
 *\r
 * Modified for FiveFilters.org's Full-Text RSS project\r
 * to allow for inclusion of hubs, JSON output.\r
 * Stripped RSS1 and ATOM support.\r
 *\r
 * @package     UnivarselFeedWriter\r
 * @author      Anis uddin Ahmad <anisniit@gmail.com>\r
 * @link        http://www.ajaxray.com/projects/rss\r
 */\r
 class FeedWriter\r
 {\r
     private $self          = null;     // self URL - http://feed2.w3.org/docs/warning/MissingAtomSelfLink.html\r
     private $hubs          = array();  // PubSubHubbub hubs\r
     private $channels      = array();  // Collection of channel elements\r
     private $items         = array();  // Collection of items as object of FeedItem class.\r
     private $data          = array();  // Store some other version wise data\r
     private $CDATAEncoding = array();  // The tag names which have to encoded as CDATA\r
     private $xsl            = null;        // stylesheet to render RSS (used by Chrome)\r
     private $json            = null;        // JSON object\r
\r
     private $version   = null;\r
\r
    /**\r
    * Constructor\r
    *\r
    * @param    constant    the version constant (RSS2 or JSON).\r
    */\r
    function __construct($version = RSS2)\r
    {\r
        $this->version = $version;\r
\r
        // Setting default value for assential channel elements\r
        $this->channels['title']        = $version . ' Feed';\r
        $this->channels['link']         = 'http://www.ajaxray.com/blog';\r
\r
        //Tag names to encode in CDATA\r
        $this->CDATAEncoding = array('description', 'content:encoded', 'content', 'subtitle', 'summary');\r
    }\r
\r
    public function setFormat($format) {\r
        $this->version = $format;\r
    }\r
\r
    // Start # public functions ---------------------------------------------\r
\r
    /**\r
    * Set a channel element\r
    * @access   public\r
    * @param    srting  name of the channel tag\r
    * @param    string  content of the channel tag\r
    * @return   void\r
    */\r
    public function setChannelElement($elementName, $content)\r
    {\r
        $this->channels[$elementName] = $content ;\r
    }\r
\r
    /**\r
    * Set multiple channel elements from an array. Array elements\r
    * should be 'channelName' => 'channelContent' format.\r
    *\r
    * @access   public\r
    * @param    array   array of channels\r
    * @return   void\r
    */\r
    public function setChannelElementsFromArray($elementArray)\r
    {\r
        if(! is_array($elementArray)) return;\r
        foreach ($elementArray as $elementName => $content)\r
        {\r
            $this->setChannelElement($elementName, $content);\r
        }\r
    }\r
\r
    /**\r
    * Genarate the actual RSS/JSON file\r
    *\r
    * @access   public\r
    * @return   void\r
    */\r
    public function genarateFeed($withHeaders = true)\r
    {\r
        if ($withHeaders) {\r
          if ($this->version == RSS2) {\r
              header('Content-type: text/xml; charset=UTF-8');\r
              // this line prevents Chrome 20 from prompting download\r
              // used by Google: https://news.google.com/news/feeds?ned=us&topic=b&output=rss\r
              header('X-content-type-options: nosniff');\r
          } elseif ($this->version == JSON) {\r
              header('Content-type: application/json; charset=UTF-8');\r
              $this->json = new stdClass();\r
          } elseif ($this->version == JSONP) {\r
              header('Content-type: application/javascript; charset=UTF-8');\r
              $this->json = new stdClass();\r
          }\r
        }\r
\r
        $this->printHead();\r
        $this->printChannels();\r
        $this->printItems();\r
        $this->printTale();\r
        if ($this->version == JSON || $this->version == JSONP) {\r
            echo json_encode($this->json);\r
        }\r
    }\r
\r
    public function &getItems()\r
    {\r
    	return $this->items;\r
    }\r
\r
    /**\r
    * Create a new FeedItem.\r
    *\r
    * @access   public\r
    * @return   object  instance of FeedItem class\r
    */\r
    public function createNewItem()\r
    {\r
        $Item = new FeedItem($this->version);\r
        return $Item;\r
    }\r
\r
    /**\r
    * Add a FeedItem to the main class\r
    *\r
    * @access   public\r
    * @param    object  instance of FeedItem class\r
    * @return   void\r
    */\r
    public function addItem($feedItem)\r
    {\r
        $this->items[] = $feedItem;\r
    }\r
\r
    // Wrapper functions -------------------------------------------------------------------\r
\r
    /**\r
    * Set the 'title' channel element\r
    *\r
    * @access   public\r
    * @param    srting  value of 'title' channel tag\r
    * @return   void\r
    */\r
    public function setTitle($title)\r
    {\r
        $this->setChannelElement('title', $title);\r
    }\r
\r
    /**\r
    * Add a hub to the channel element\r
    *\r
    * @access   public\r
    * @param    string URL\r
    * @return   void\r
    */\r
    public function addHub($hub)\r
    {\r
        $this->hubs[] = $hub;\r
    }\r
\r
    /**\r
    * Set XSL URL\r
    *\r
    * @access   public\r
    * @param    string URL\r
    * @return   void\r
    */\r
    public function setXsl($xsl)\r
    {\r
        $this->xsl = $xsl;\r
    }\r
\r
    /**\r
    * Set self URL\r
    *\r
    * @access   public\r
    * @param    string URL\r
    * @return   void\r
    */\r
    public function setSelf($self)\r
    {\r
        $this->self = $self;\r
    }\r
\r
    /**\r
    * Set the 'description' channel element\r
    *\r
    * @access   public\r
    * @param    srting  value of 'description' channel tag\r
    * @return   void\r
    */\r
    public function setDescription($description)\r
    {\r
        $tag = ($this->version == ATOM)? 'subtitle' : 'description';\r
        $this->setChannelElement($tag, $desciption);\r
    }\r
\r
    /**\r
    * Set the 'link' channel element\r
    *\r
    * @access   public\r
    * @param    srting  value of 'link' channel tag\r
    * @return   void\r
    */\r
    public function setLink($link)\r
    {\r
        $this->setChannelElement('link', $link);\r
    }\r
\r
    /**\r
    * Set the 'image' channel element\r
    *\r
    * @access   public\r
    * @param    srting  title of image\r
    * @param    srting  link url of the imahe\r
    * @param    srting  path url of the image\r
    * @return   void\r
    */\r
    public function setImage($title, $link, $url)\r
    {\r
        $this->setChannelElement('image', array('title'=>$title, 'link'=>$link, 'url'=>$url));\r
    }\r
\r
    // End # public functions ----------------------------------------------\r
\r
    // Start # private functions ----------------------------------------------\r
\r
    /**\r
    * Prints the xml and rss namespace\r
    *\r
    * @access   private\r
    * @return   void\r
    */\r
    private function printHead()\r
    {\r
        if ($this->version == RSS2)\r
        {\r
            $out  = '<?xml version="1.0" encoding="utf-8"?>'."\n";\r
            if ($this->xsl) $out .= '<?xml-stylesheet type="text/xsl" href="'.htmlspecialchars($this->xsl).'"?>' . PHP_EOL;\r
            $out .= '<rss version="2.0" xmlns:content="http://purl.org/rss/1.0/modules/content/" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:media="http://search.yahoo.com/mrss/">' . PHP_EOL;\r
            echo $out;\r
        }\r
        elseif ($this->version == JSON || $this->version == JSONP)\r
        {\r
            $this->json->rss = array('@attributes' => array('version' => '2.0'));\r
        }\r
    }\r
\r
    /**\r
    * Closes the open tags at the end of file\r
    *\r
    * @access   private\r
    * @return   void\r
    */\r
    private function printTale()\r
    {\r
        if ($this->version == RSS2)\r
        {\r
            echo '</channel>',PHP_EOL,'</rss>';\r
        }\r
        // do nothing for JSON\r
    }\r
\r
    /**\r
    * Creates a single node as xml format\r
    *\r
    * @access   private\r
    * @param    string  name of the tag\r
    * @param    mixed   tag value as string or array of nested tags in 'tagName' => 'tagValue' format\r
    * @param    array   Attributes(if any) in 'attrName' => 'attrValue' format\r
    * @return   string  formatted xml tag\r
    */\r
    private function makeNode($tagName, $tagContent, $attributes = null)\r
    {\r
        if ($this->version == RSS2)\r
        {\r
            $nodeText = '';\r
            $attrText = '';\r
            if (is_array($attributes))\r
            {\r
                foreach ($attributes as $key => $value)\r
                {\r
                    $attrText .= " $key=\"$value\" ";\r
                }\r
            }\r
            $nodeText .= "<{$tagName}{$attrText}>";\r
            if (is_array($tagContent))\r
            {\r
                foreach ($tagContent as $key => $value)\r
                {\r
                    $nodeText .= $this->makeNode($key, $value);\r
                }\r
            }\r
            else\r
            {\r
                //$nodeText .= (in_array($tagName, $this->CDATAEncoding))? $tagContent : htmlentities($tagContent);\r
                $nodeText .= htmlspecialchars($tagContent);\r
            }\r
            //$nodeText .= (in_array($tagName, $this->CDATAEncoding))? "]]></$tagName>" : "</$tagName>";\r
            $nodeText .= "</$tagName>";\r
            return $nodeText . PHP_EOL;\r
        }\r
        elseif ($this->version == JSON || $this->version == JSONP)\r
        {\r
            $tagName = (string)$tagName;\r
            $tagName = strtr($tagName, ':', '_');\r
            $node = null;\r
            if (!$tagContent && is_array($attributes) && count($attributes))\r
            {\r
                $node = array('@attributes' => $this->json_keys($attributes));\r
            } else {\r
                if (is_array($tagContent)) {\r
                    $node = $this->json_keys($tagContent);\r
                } else {\r
                    $node = $tagContent;\r
                }\r
            }\r
            return $node;\r
        }\r
        return ''; // should not get here\r
    }\r
\r
    private function json_keys(array $array) {\r
        $new = array();\r
        foreach ($array as $key => $val) {\r
            if (is_string($key)) $key = strtr($key, ':', '_');\r
            if (is_array($val)) {\r
                $new[$key] = $this->json_keys($val);\r
            } else {\r
                $new[$key] = $val;\r
            }\r
        }\r
        return $new;\r
    }\r
\r
    /**\r
    * @desc     Print channels\r
    * @access   private\r
    * @return   void\r
    */\r
    private function printChannels()\r
    {\r
        //Start channel tag\r
        if ($this->version == RSS2) {\r
            echo '<channel>' . PHP_EOL;\r
            // add hubs\r
            foreach ($this->hubs as $hub) {\r
                //echo $this->makeNode('link', '', array('rel'=>'hub', 'href'=>$hub, 'xmlns'=>'http://www.w3.org/2005/Atom'));\r
                echo '<link rel="hub"  href="'.htmlspecialchars($hub).'" xmlns="http://www.w3.org/2005/Atom" />' . PHP_EOL;\r
            }\r
            // add self\r
            if (isset($this->self)) {\r
                //echo $this->makeNode('link', '', array('rel'=>'self', 'href'=>$this->self, 'xmlns'=>'http://www.w3.org/2005/Atom'));\r
                echo '<link rel="self" href="'.htmlspecialchars($this->self).'" xmlns="http://www.w3.org/2005/Atom" />' . PHP_EOL;\r
            }\r
            //Print Items of channel\r
            foreach ($this->channels as $key => $value)\r
            {\r
                echo $this->makeNode($key, $value);\r
            }\r
        } elseif ($this->version == JSON || $this->version == JSONP) {\r
            $this->json->rss['channel'] = (object)$this->json_keys($this->channels);\r
        }\r
    }\r
\r
    /**\r
    * Prints formatted feed items\r
    *\r
    * @access   private\r
    * @return   void\r
    */\r
    private function printItems()\r
    {\r
        foreach ($this->items as $item) {\r
            $itemElements = $item->getElements();\r
\r
            echo $this->startItem();\r
\r
            if ($this->version == JSON || $this->version == JSONP) {\r
                $json_item = array();\r
            }\r
\r
            foreach ($itemElements as $thisElement) {\r
                foreach ($thisElement as $instance) {\r
                    if ($this->version == RSS2) {\r
                        echo $this->makeNode($instance['name'], $instance['content'], $instance['attributes']);\r
                    } elseif ($this->version == JSON || $this->version == JSONP) {\r
                        $_json_node = $this->makeNode($instance['name'], $instance['content'], $instance['attributes']);\r
                        if (count($thisElement) > 1) {\r
                            $json_item[strtr($instance['name'], ':', '_')][] = $_json_node;\r
                        } else {\r
                            $json_item[strtr($instance['name'], ':', '_')] = $_json_node;\r
                        }\r
                    }\r
                }\r
            }\r
            echo $this->endItem();\r
            if ($this->version == JSON || $this->version == JSONP) {\r
                if (count($this->items) > 1) {\r
                    $this->json->rss['channel']->item[] = $json_item;\r
                } else {\r
                    $this->json->rss['channel']->item = $json_item;\r
                }\r
            }\r
        }\r
    }\r
\r
    /**\r
    * Make the starting tag of channels\r
    *\r
    * @access   private\r
    * @return   void\r
    */\r
    private function startItem()\r
    {\r
        if ($this->version == RSS2)\r
        {\r
            echo '<item>' . PHP_EOL;\r
        }\r
        // nothing for JSON\r
    }\r
\r
    /**\r
    * Closes feed item tag\r
    *\r
    * @access   private\r
    * @return   void\r
    */\r
    private function endItem()\r
    {\r
        if ($this->version == RSS2)\r
        {\r
            echo '</item>' . PHP_EOL;\r
        }\r
        // nothing for JSON\r
    }\r
\r
    // End # private functions ----------------------------------------------\r
 }
Commit	Line	Data
42c80841 NL	1	<?php\r
	2	define('RSS2', 1, true);\r
	3	define('JSON', 2, true);\r
	4	define('JSONP', 3, true);\r
	5	\r
	6	/**\r
	7	* Univarsel Feed Writer class\r
	8	*\r
	9	* Genarate RSS2 or JSON (original: RSS 1.0, RSS2.0 and ATOM Feed)\r
	10	*\r
	11	* Modified for FiveFilters.org's Full-Text RSS project\r
182faf26	12	* to allow for inclusion of hubs, JSON output.\r
42c80841	13	* Stripped RSS1 and ATOM support.\r
182faf26	14	*\r
42c80841 NL	15	* @package UnivarselFeedWriter\r
	16	* @author Anis uddin Ahmad <anisniit@gmail.com>\r
	17	* @link http://www.ajaxray.com/projects/rss\r
	18	*/\r
	19	class FeedWriter\r
	20	{\r
7a873ef1 NL	21	private $self = null; // self URL - http://feed2.w3.org/docs/warning/MissingAtomSelfLink.html\r
	22	private $hubs = array(); // PubSubHubbub hubs\r
	23	private $channels = array(); // Collection of channel elements\r
	24	private $items = array(); // Collection of items as object of FeedItem class.\r
	25	private $data = array(); // Store some other version wise data\r
	26	private $CDATAEncoding = array(); // The tag names which have to encoded as CDATA\r
	27	private $xsl = null; // stylesheet to render RSS (used by Chrome)\r
	28	private $json = null; // JSON object\r
	29	\r
	30	private $version = null;\r
	31	\r
	32	/**\r
	33	* Constructor\r
	34	*\r
	35	* @param constant the version constant (RSS2 or JSON).\r
	36	*/\r
	37	function __construct($version = RSS2)\r
	38	{\r
	39	$this->version = $version;\r
	40	\r
	41	// Setting default value for assential channel elements\r
	42	$this->channels['title'] = $version . ' Feed';\r
	43	$this->channels['link'] = 'http://www.ajaxray.com/blog';\r
	44	\r
	45	//Tag names to encode in CDATA\r
	46	$this->CDATAEncoding = array('description', 'content:encoded', 'content', 'subtitle', 'summary');\r
	47	}\r
	48	\r
	49	public function setFormat($format) {\r
	50	$this->version = $format;\r
	51	}\r
	52	\r
	53	// Start # public functions ---------------------------------------------\r
	54	\r
	55	/**\r
	56	* Set a channel element\r
	57	* @access public\r
	58	* @param srting name of the channel tag\r
	59	* @param string content of the channel tag\r
	60	* @return void\r
	61	*/\r
	62	public function setChannelElement($elementName, $content)\r
	63	{\r
	64	$this->channels[$elementName] = $content ;\r
	65	}\r
	66	\r
	67	/**\r
	68	* Set multiple channel elements from an array. Array elements\r
	69	* should be 'channelName' => 'channelContent' format.\r
	70	*\r
	71	* @access public\r
	72	* @param array array of channels\r
	73	* @return void\r
	74	*/\r
	75	public function setChannelElementsFromArray($elementArray)\r
	76	{\r
	77	if(! is_array($elementArray)) return;\r
	78	foreach ($elementArray as $elementName => $content)\r
	79	{\r
	80	$this->setChannelElement($elementName, $content);\r
	81	}\r
	82	}\r
	83	\r
	84	/**\r
85	* Genarate the actual RSS/JSON file\r
86	*\r
87	* @access public\r
88	* @return void\r
89	*/\r
827f5b42	90	public function genarateFeed($withHeaders = true)\r
7a873ef1	91	{\r
827f5b42 MR	92	if ($withHeaders) {\r
	93	if ($this->version == RSS2) {\r
	94	header('Content-type: text/xml; charset=UTF-8');\r
	95	// this line prevents Chrome 20 from prompting download\r
	96	// used by Google: https://news.google.com/news/feeds?ned=us&topic=b&output=rss\r
	97	header('X-content-type-options: nosniff');\r
	98	} elseif ($this->version == JSON) {\r
	99	header('Content-type: application/json; charset=UTF-8');\r
3ec62cf9	100	$this->json = new stdClass();\r
827f5b42 MR	101	} elseif ($this->version == JSONP) {\r
827f5b42 MR	102	header('Content-type: application/javascript; charset=UTF-8');\r
3ec62cf9	103	$this->json = new stdClass();\r
827f5b42 MR	104	}\r
827f5b42 MR	105	}\r
6212acfc	106	\r
7a873ef1 NL	107	$this->printHead();\r
	108	$this->printChannels();\r
	109	$this->printItems();\r
	110	$this->printTale();\r
	111	if ($this->version == JSON \|\| $this->version == JSONP) {\r
	112	echo json_encode($this->json);\r
	113	}\r
	114	}\r
	115	\r
3ec62cf9 MR	116	public function &getItems()\r
	117	{\r
	118	return $this->items;\r
	119	}\r
	120	\r
7a873ef1 NL	121	/**\r
	122	* Create a new FeedItem.\r
	123	*\r
	124	* @access public\r
	125	* @return object instance of FeedItem class\r
	126	*/\r
	127	public function createNewItem()\r
	128	{\r
	129	$Item = new FeedItem($this->version);\r
	130	return $Item;\r
	131	}\r
	132	\r
	133	/**\r
	134	* Add a FeedItem to the main class\r
	135	*\r
	136	* @access public\r
	137	* @param object instance of FeedItem class\r
	138	* @return void\r
	139	*/\r
	140	public function addItem($feedItem)\r
	141	{\r
	142	$this->items[] = $feedItem;\r
	143	}\r
	144	\r
	145	// Wrapper functions -------------------------------------------------------------------\r
	146	\r
	147	/**\r
	148	* Set the 'title' channel element\r
	149	*\r
	150	* @access public\r
	151	* @param srting value of 'title' channel tag\r
	152	* @return void\r
	153	*/\r
	154	public function setTitle($title)\r
	155	{\r
	156	$this->setChannelElement('title', $title);\r
	157	}\r
	158	\r
	159	/**\r
	160	* Add a hub to the channel element\r
	161	*\r
	162	* @access public\r
	163	* @param string URL\r
	164	* @return void\r
	165	*/\r
	166	public function addHub($hub)\r
	167	{\r
	168	$this->hubs[] = $hub;\r
	169	}\r
	170	\r
	171	/**\r
	172	* Set XSL URL\r
	173	*\r
	174	* @access public\r
	175	* @param string URL\r
	176	* @return void\r
	177	*/\r
	178	public function setXsl($xsl)\r
	179	{\r
	180	$this->xsl = $xsl;\r
	181	}\r
	182	\r
	183	/**\r
	184	* Set self URL\r
185	*\r
186	* @access public\r
187	* @param string URL\r
188	* @return void\r
189	*/\r
190	public function setSelf($self)\r
191	{\r
192	$this->self = $self;\r
193	}\r
194	\r
195	/**\r
196	* Set the 'description' channel element\r
197	*\r
198	* @access public\r
199	* @param srting value of 'description' channel tag\r
200	* @return void\r
201	*/\r
202	public function setDescription($description)\r
203	{\r
3ec62cf9 MR	204	$tag = ($this->version == ATOM)? 'subtitle' : 'description';\r
3ec62cf9 MR	205	$this->setChannelElement($tag, $desciption);\r
7a873ef1 NL	206	}\r
	207	\r
	208	/**\r
	209	* Set the 'link' channel element\r
	210	*\r
	211	* @access public\r
	212	* @param srting value of 'link' channel tag\r
	213	* @return void\r
	214	*/\r
	215	public function setLink($link)\r
	216	{\r
	217	$this->setChannelElement('link', $link);\r
	218	}\r
	219	\r
	220	/**\r
	221	* Set the 'image' channel element\r
	222	*\r
	223	* @access public\r
	224	* @param srting title of image\r
	225	* @param srting link url of the imahe\r
	226	* @param srting path url of the image\r
	227	* @return void\r
	228	*/\r
	229	public function setImage($title, $link, $url)\r
	230	{\r
	231	$this->setChannelElement('image', array('title'=>$title, 'link'=>$link, 'url'=>$url));\r
	232	}\r
	233	\r
	234	// End # public functions ----------------------------------------------\r
	235	\r
	236	// Start # private functions ----------------------------------------------\r
	237	\r
	238	/**\r
	239	* Prints the xml and rss namespace\r
	240	*\r
	241	* @access private\r
	242	* @return void\r
	243	*/\r
	244	private function printHead()\r
	245	{\r
	246	if ($this->version == RSS2)\r
	247	{\r
	248	$out = '<?xml version="1.0" encoding="utf-8"?>'."\n";\r
	249	if ($this->xsl) $out .= '<?xml-stylesheet type="text/xsl" href="'.htmlspecialchars($this->xsl).'"?>' . PHP_EOL;\r
3ec62cf9	250	$out .= '<rss version="2.0" xmlns:content="http://purl.org/rss/1.0/modules/content/" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:media="http://search.yahoo.com/mrss/">' . PHP_EOL;\r
7a873ef1 NL	251	echo $out;\r
	252	}\r
	253	elseif ($this->version == JSON \|\| $this->version == JSONP)\r
	254	{\r
	255	$this->json->rss = array('@attributes' => array('version' => '2.0'));\r
	256	}\r
	257	}\r
	258	\r
	259	/**\r
	260	* Closes the open tags at the end of file\r
	261	*\r
	262	* @access private\r
	263	* @return void\r
	264	*/\r
	265	private function printTale()\r
	266	{\r
	267	if ($this->version == RSS2)\r
	268	{\r
	269	echo '</channel>',PHP_EOL,'</rss>';\r
	270	}\r
	271	// do nothing for JSON\r
	272	}\r
	273	\r
	274	/**\r
	275	* Creates a single node as xml format\r
	276	*\r
	277	* @access private\r
	278	* @param string name of the tag\r
	279	* @param mixed tag value as string or array of nested tags in 'tagName' => 'tagValue' format\r
	280	* @param array Attributes(if any) in 'attrName' => 'attrValue' format\r
	281	* @return string formatted xml tag\r
	282	*/\r
	283	private function makeNode($tagName, $tagContent, $attributes = null)\r
	284	{\r
	285	if ($this->version == RSS2)\r
	286	{\r
	287	$nodeText = '';\r
	288	$attrText = '';\r
	289	if (is_array($attributes))\r
	290	{\r
	291	foreach ($attributes as $key => $value)\r
	292	{\r
	293	$attrText .= " $key=\"$value\" ";\r
	294	}\r
	295	}\r
	296	$nodeText .= "<{$tagName}{$attrText}>";\r
	297	if (is_array($tagContent))\r
	298	{\r
	299	foreach ($tagContent as $key => $value)\r
	300	{\r
	301	$nodeText .= $this->makeNode($key, $value);\r
	302	}\r
	303	}\r
	304	else\r
	305	{\r
	306	//$nodeText .= (in_array($tagName, $this->CDATAEncoding))? $tagContent : htmlentities($tagContent);\r
	307	$nodeText .= htmlspecialchars($tagContent);\r
	308	}\r
	309	//$nodeText .= (in_array($tagName, $this->CDATAEncoding))? "]]></$tagName>" : "</$tagName>";\r
	310	$nodeText .= "</$tagName>";\r
	311	return $nodeText . PHP_EOL;\r
	312	}\r
	313	elseif ($this->version == JSON \|\| $this->version == JSONP)\r
	314	{\r
315	$tagName = (string)$tagName;\r
316	$tagName = strtr($tagName, ':', '_');\r
317	$node = null;\r
318	if (!$tagContent && is_array($attributes) && count($attributes))\r
319	{\r
320	$node = array('@attributes' => $this->json_keys($attributes));\r
321	} else {\r
322	if (is_array($tagContent)) {\r
323	$node = $this->json_keys($tagContent);\r
324	} else {\r
325	$node = $tagContent;\r
326	}\r
327	}\r
328	return $node;\r
329	}\r
330	return ''; // should not get here\r
331	}\r
332	\r
333	private function json_keys(array $array) {\r
334	$new = array();\r
335	foreach ($array as $key => $val) {\r
336	if (is_string($key)) $key = strtr($key, ':', '_');\r
337	if (is_array($val)) {\r
338	$new[$key] = $this->json_keys($val);\r
339	} else {\r
340	$new[$key] = $val;\r
341	}\r
342	}\r
343	return $new;\r
344	}\r
345	\r
346	/**\r
347	* @desc Print channels\r
348	* @access private\r
349	* @return void\r
350	*/\r
351	private function printChannels()\r
352	{\r
353	//Start channel tag\r
354	if ($this->version == RSS2) {\r
355	echo '<channel>' . PHP_EOL;\r
356	// add hubs\r
357	foreach ($this->hubs as $hub) {\r
358	//echo $this->makeNode('link', '', array('rel'=>'hub', 'href'=>$hub, 'xmlns'=>'http://www.w3.org/2005/Atom'));\r
359	echo '<link rel="hub" href="'.htmlspecialchars($hub).'" xmlns="http://www.w3.org/2005/Atom" />' . PHP_EOL;\r
360	}\r
361	// add self\r
362	if (isset($this->self)) {\r
363	//echo $this->makeNode('link', '', array('rel'=>'self', 'href'=>$this->self, 'xmlns'=>'http://www.w3.org/2005/Atom'));\r
364	echo '<link rel="self" href="'.htmlspecialchars($this->self).'" xmlns="http://www.w3.org/2005/Atom" />' . PHP_EOL;\r
365	}\r
366	//Print Items of channel\r
367	foreach ($this->channels as $key => $value)\r
368	{\r
369	echo $this->makeNode($key, $value);\r
370	}\r
371	} elseif ($this->version == JSON \|\| $this->version == JSONP) {\r
372	$this->json->rss['channel'] = (object)$this->json_keys($this->channels);\r
373	}\r
374	}\r
375	\r
376	/**\r
377	* Prints formatted feed items\r
378	*\r
379	* @access private\r
380	* @return void\r
381	*/\r
382	private function printItems()\r
383	{\r
384	foreach ($this->items as $item) {\r
385	$itemElements = $item->getElements();\r
386	\r
387	echo $this->startItem();\r
388	\r
389	if ($this->version == JSON \|\| $this->version == JSONP) {\r
390	$json_item = array();\r
391	}\r
392	\r
393	foreach ($itemElements as $thisElement) {\r
394	foreach ($thisElement as $instance) {\r
395	if ($this->version == RSS2) {\r
396	echo $this->makeNode($instance['name'], $instance['content'], $instance['attributes']);\r
397	} elseif ($this->version == JSON \|\| $this->version == JSONP) {\r
398	$_json_node = $this->makeNode($instance['name'], $instance['content'], $instance['attributes']);\r
399	if (count($thisElement) > 1) {\r
400	$json_item[strtr($instance['name'], ':', '_')][] = $_json_node;\r
401	} else {\r
402	$json_item[strtr($instance['name'], ':', '_')] = $_json_node;\r
403	}\r
404	}\r
405	}\r
406	}\r
407	echo $this->endItem();\r
408	if ($this->version == JSON \|\| $this->version == JSONP) {\r
409	if (count($this->items) > 1) {\r
410	$this->json->rss['channel']->item[] = $json_item;\r
411	} else {\r
412	$this->json->rss['channel']->item = $json_item;\r
413	}\r
414	}\r
415	}\r
416	}\r
417	\r
418	/**\r
419	* Make the starting tag of channels\r
420	*\r
421	* @access private\r
422	* @return void\r
423	*/\r
424	private function startItem()\r
425	{\r
426	if ($this->version == RSS2)\r
427	{\r
428	echo '<item>' . PHP_EOL;\r
429	}\r
430	// nothing for JSON\r
431	}\r
432	\r
433	/**\r
434	* Closes feed item tag\r
435	*\r
436	* @access private\r
437	* @return void\r
438	*/\r
439	private function endItem()\r
440	{\r
441	if ($this->version == RSS2)\r
442	{\r
443	echo '</item>' . PHP_EOL;\r
444	}\r
445	// nothing for JSON\r
446	}\r
447	\r
448	// End # private functions ----------------------------------------------\r
42c80841	449	}