<?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 <costintrifan@yahoo.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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