Location: PHPKode > scripts > Abs_Xml_Rss > abs_xml_rss/AbsAtomReader10/class.AbsAtomReader10.php
<?php
/**
* class AbsAtomReader10
*
* Parse an ATOM 1.0 xml feed and retrieve the result as an associative array.
*
* @package    Abs_Xml_Rss
* @category   XML, RSS
* @author     Costin Trifan <hide@address.com>
* @copyright  2009 Costin Trifan
* @licence    http://en.wikipedia.org/wiki/MIT_License   MIT License
* @version    1.0
* 
* Copyright (c) 2009 Costin Trifan <http://june-js.com/>
* 
* Permission is hereby granted, free of charge, to any person
* obtaining a copy of this software and associated documentation
* files (the "Software"), to deal in the Software without
* restriction, including without limitation the rights to use,
* copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following
* conditions:
* 
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
* 
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
* OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
* HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*/
class AbsAtomReader10
{
	private function __clone(){}

	// constructor
	public function __construct(){}


	/**
	* Holds the reference to the instance of the DOMDocument class
	* @type object
	*/
	protected static $_doc = null;

	/**
	* Whether or not the xml document has been loaded.
	* @type bool
	* @access private
	*/
	protected static $_loaded = FALSE;



	/**
	* Load the xml document
	* @param string $filePath  The path to the xml document
	* @return void
	*/
	final public function Load( $filePath )
	{
		if (is_null($filePath) or strlen($filePath) < 1)
			exit("Error in ".__CLASS__.'::'.__FUNCTION__.'<br/>The path to the rss file is missing!');

		// LOAD XML DOCUMENT
		self::$_doc = new DOMDocument();
		if (@self::$_doc->load($filePath))
			self::$_loaded = TRUE;
		else exit("Error: The rss file could not be opened!");
	}

	/**
	* Get the feed's base tags as an associative array
	* @return array
	*/
	final public function GetBaseTags()
	{
		$result = array();
		if ( ! self::$_loaded) return $result;

		$title = self::$_doc->getElementsByTagName('title')->item(0);
		if ( ! is_null($title))
			$result[$title->tagName] = $title->nodeValue;

		$subtitle = self::$_doc->getElementsByTagName('subtitle')->item(0);
		if ( ! is_null($subtitle))
			$result[$subtitle->tagName] = $subtitle->nodeValue;

		$link = self::$_doc->getElementsByTagName('link')->item(0);
		if ( ! is_null($link))
		{
			$result[$link->tagName] = $link->nodeValue;

			$result[$link->tagName] = array();
			$result[$link->tagName]['href'] = $link->getAttribute('href');
			$result[$link->tagName]['rel'] = $link->getAttribute('rel');
		}

		$updated = self::$_doc->getElementsByTagName('updated')->item(0);
		if ( ! is_null($updated))
			$result[$updated->tagName] = $updated->nodeValue;

		$author = self::$_doc->getElementsByTagName('author')->item(0);
		if ( ! is_null($author))
		{
			$result[$author->tagName] = array();

			if ( ! is_null($author->getElementsByTagName('name')->item(0)))
				$result[$author->tagName]['name'] = $author->getElementsByTagName('name')->item(0)->nodeValue;

			if ( ! is_null($author->getElementsByTagName('email')->item(0)))
				$result[$author->tagName]['email'] = $author->getElementsByTagName('email')->item(0)->nodeValue;
		}

		$id = self::$_doc->getElementsByTagName('id')->item(0);
		if ( ! is_null($id))
			$result[$id->tagName] = $id->nodeValue;

		return $result;
	}

	/**
	* Get the feed's entries as an associative array
	*
	* @param int $maxLimit  The maximum number of items to retrieve from the document.
	* If $maxLimit = 0 all records will be retrieved.
	* @return array
	*/
	final public function GetEntries( $maxLimit = 0 )
	{
		$result = array();
		if ( ! self::$_loaded) return $result;

		$i = 0;
		foreach (self::$_doc->getElementsByTagName('entry') as $entry)
		{
			$result['entry_'.$i] = array();
			foreach ($entry->getElementsByTagName('*') as $tag)
				$result['entry_'.$i][$tag->tagName] = html_entity_decode($tag->nodeValue, ENT_QUOTES, 'UTF-8') ;

			if ( ! is_null($entry->getElementsByTagName('link')->item(0)))
				$result['entry_'.$i]['link'] = $entry->getElementsByTagName('link')->item(0)->getAttribute('href');

			$i++;
			if ($maxLimit == $i) break;
		}
		return $result;
	}

	/**
	* Get all data from the rss feed as an associative array
	* @return array
	*/
	final public function GetAll()
	{
		$result = array();
		if ( ! self::$_loaded) return $result;

		$baseTags = $this->GetBaseTags();
		$atomEntries = $this->GetEntries();

		$result = array_merge($baseTags, $atomEntries);

		return $result;
	}

}
// >> END
?>
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