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Diffstat (limited to 'plugins/OStatus/extlib/XML/Feed/Parser.php')
| -rwxr-xr-x | plugins/OStatus/extlib/XML/Feed/Parser.php | 351 |
1 files changed, 0 insertions, 351 deletions
diff --git a/plugins/OStatus/extlib/XML/Feed/Parser.php b/plugins/OStatus/extlib/XML/Feed/Parser.php deleted file mode 100755 index ffe8220a5..000000000 --- a/plugins/OStatus/extlib/XML/Feed/Parser.php +++ /dev/null @@ -1,351 +0,0 @@ -<?php -/* vim: set expandtab tabstop=4 shiftwidth=4 softtabstop=4: */ - -/** - * Key gateway class for XML_Feed_Parser package - * - * PHP versions 5 - * - * LICENSE: This source file is subject to version 3.0 of the PHP license - * that is available through the world-wide-web at the following URI: - * http://www.php.net/license/3_0.txt. If you did not receive a copy of - * the PHP License and are unable to obtain it through the web, please - * send a note to license@php.net so we can mail you a copy immediately. - * - * @category XML - * @package XML_Feed_Parser - * @author James Stewart <james@jystewart.net> - * @copyright 2005 James Stewart <james@jystewart.net> - * @license http://www.gnu.org/copyleft/lesser.html GNU LGPL - * @version CVS: $Id: Parser.php,v 1.24 2006/08/15 13:04:00 jystewart Exp $ - * @link http://pear.php.net/package/XML_Feed_Parser/ - */ - -/** - * XML_Feed_Parser_Type is an abstract class required by all of our - * feed types. It makes sense to load it here to keep the other files - * clean. - */ -require_once 'XML/Feed/Parser/Type.php'; - -/** - * We will throw exceptions when errors occur. - */ -require_once 'XML/Feed/Parser/Exception.php'; - -/** - * This is the core of the XML_Feed_Parser package. It identifies feed types - * and abstracts access to them. It is an iterator, allowing for easy access - * to the entire feed. - * - * @author James Stewart <james@jystewart.net> - * @version Release: 1.0.3 - * @package XML_Feed_Parser - */ -class XML_Feed_Parser implements Iterator -{ - /** - * This is where we hold the feed object - * @var Object - */ - private $feed; - - /** - * To allow for extensions, we make a public reference to the feed model - * @var DOMDocument - */ - public $model; - - /** - * A map between entry ID and offset - * @var array - */ - protected $idMappings = array(); - - /** - * A storage space for Namespace URIs. - * @var array - */ - private $feedNamespaces = array( - 'rss2' => array( - 'http://backend.userland.com/rss', - 'http://backend.userland.com/rss2', - 'http://blogs.law.harvard.edu/tech/rss')); - /** - * Detects feed types and instantiate appropriate objects. - * - * Our constructor takes care of detecting feed types and instantiating - * appropriate classes. For now we're going to treat Atom 0.3 as Atom 1.0 - * but raise a warning. I do not intend to introduce full support for - * Atom 0.3 as it has been deprecated, but others are welcome to. - * - * @param string $feed XML serialization of the feed - * @param bool $strict Whether or not to validate the feed - * @param bool $suppressWarnings Trigger errors for deprecated feed types? - * @param bool $tidy Whether or not to try and use the tidy library on input - */ - function __construct($feed, $strict = false, $suppressWarnings = false, $tidy = false) - { - $this->model = new DOMDocument; - if (! $this->model->loadXML($feed)) { - if (extension_loaded('tidy') && $tidy) { - $tidy = new tidy; - $tidy->parseString($feed, - array('input-xml' => true, 'output-xml' => true)); - $tidy->cleanRepair(); - if (! $this->model->loadXML((string) $tidy)) { - throw new XML_Feed_Parser_Exception('Invalid input: this is not ' . - 'valid XML'); - } - } else { - throw new XML_Feed_Parser_Exception('Invalid input: this is not valid XML'); - } - - } - - /* detect feed type */ - $doc_element = $this->model->documentElement; - $error = false; - - switch (true) { - case ($doc_element->namespaceURI == 'http://www.w3.org/2005/Atom'): - require_once 'XML/Feed/Parser/Atom.php'; - require_once 'XML/Feed/Parser/AtomElement.php'; - $class = 'XML_Feed_Parser_Atom'; - break; - case ($doc_element->namespaceURI == 'http://purl.org/atom/ns#'): - require_once 'XML/Feed/Parser/Atom.php'; - require_once 'XML/Feed/Parser/AtomElement.php'; - $class = 'XML_Feed_Parser_Atom'; - $error = 'Atom 0.3 deprecated, using 1.0 parser which won\'t provide ' . - 'all options'; - break; - case ($doc_element->namespaceURI == 'http://purl.org/rss/1.0/' || - ($doc_element->hasChildNodes() && $doc_element->childNodes->length > 1 - && $doc_element->childNodes->item(1)->namespaceURI == - 'http://purl.org/rss/1.0/')): - require_once 'XML/Feed/Parser/RSS1.php'; - require_once 'XML/Feed/Parser/RSS1Element.php'; - $class = 'XML_Feed_Parser_RSS1'; - break; - case ($doc_element->namespaceURI == 'http://purl.org/rss/1.1/' || - ($doc_element->hasChildNodes() && $doc_element->childNodes->length > 1 - && $doc_element->childNodes->item(1)->namespaceURI == - 'http://purl.org/rss/1.1/')): - require_once 'XML/Feed/Parser/RSS11.php'; - require_once 'XML/Feed/Parser/RSS11Element.php'; - $class = 'XML_Feed_Parser_RSS11'; - break; - case (($doc_element->hasChildNodes() && $doc_element->childNodes->length > 1 - && $doc_element->childNodes->item(1)->namespaceURI == - 'http://my.netscape.com/rdf/simple/0.9/') || - $doc_element->namespaceURI == 'http://my.netscape.com/rdf/simple/0.9/'): - require_once 'XML/Feed/Parser/RSS09.php'; - require_once 'XML/Feed/Parser/RSS09Element.php'; - $class = 'XML_Feed_Parser_RSS09'; - break; - case ($doc_element->tagName == 'rss' and - $doc_element->hasAttribute('version') && - $doc_element->getAttribute('version') == 0.91): - $error = 'RSS 0.91 has been superceded by RSS2.0. Using RSS2.0 parser.'; - require_once 'XML/Feed/Parser/RSS2.php'; - require_once 'XML/Feed/Parser/RSS2Element.php'; - $class = 'XML_Feed_Parser_RSS2'; - break; - case ($doc_element->tagName == 'rss' and - $doc_element->hasAttribute('version') && - $doc_element->getAttribute('version') == 0.92): - $error = 'RSS 0.92 has been superceded by RSS2.0. Using RSS2.0 parser.'; - require_once 'XML/Feed/Parser/RSS2.php'; - require_once 'XML/Feed/Parser/RSS2Element.php'; - $class = 'XML_Feed_Parser_RSS2'; - break; - case (in_array($doc_element->namespaceURI, $this->feedNamespaces['rss2']) - || $doc_element->tagName == 'rss'): - if (! $doc_element->hasAttribute('version') || - $doc_element->getAttribute('version') != 2) { - $error = 'RSS version not specified. Parsing as RSS2.0'; - } - require_once 'XML/Feed/Parser/RSS2.php'; - require_once 'XML/Feed/Parser/RSS2Element.php'; - $class = 'XML_Feed_Parser_RSS2'; - break; - default: - throw new XML_Feed_Parser_Exception('Feed type unknown'); - break; - } - - if (! $suppressWarnings && ! empty($error)) { - trigger_error($error, E_USER_WARNING); - } - - /* Instantiate feed object */ - $this->feed = new $class($this->model, $strict); - } - - /** - * Proxy to allow feed element names to be used as method names - * - * For top-level feed elements we will provide access using methods or - * attributes. This function simply passes on a request to the appropriate - * feed type object. - * - * @param string $call - the method being called - * @param array $attributes - */ - function __call($call, $attributes) - { - $attributes = array_pad($attributes, 5, false); - list($a, $b, $c, $d, $e) = $attributes; - return $this->feed->$call($a, $b, $c, $d, $e); - } - - /** - * Proxy to allow feed element names to be used as attribute names - * - * To allow variable-like access to feed-level data we use this - * method. It simply passes along to __call() which in turn passes - * along to the relevant object. - * - * @param string $val - the name of the variable required - */ - function __get($val) - { - return $this->feed->$val; - } - - /** - * Provides iteration functionality. - * - * Of course we must be able to iterate... This function simply increases - * our internal counter. - */ - function next() - { - if (isset($this->current_item) && - $this->current_item <= $this->feed->numberEntries - 1) { - ++$this->current_item; - } else if (! isset($this->current_item)) { - $this->current_item = 0; - } else { - return false; - } - } - - /** - * Return XML_Feed_Type object for current element - * - * @return XML_Feed_Parser_Type Object - */ - function current() - { - return $this->getEntryByOffset($this->current_item); - } - - /** - * For iteration -- returns the key for the current stage in the array. - * - * @return int - */ - function key() - { - return $this->current_item; - } - - /** - * For iteration -- tells whether we have reached the - * end. - * - * @return bool - */ - function valid() - { - return $this->current_item < $this->feed->numberEntries; - } - - /** - * For iteration -- resets the internal counter to the beginning. - */ - function rewind() - { - $this->current_item = 0; - } - - /** - * Provides access to entries by ID if one is specified in the source feed. - * - * As well as allowing the items to be iterated over we want to allow - * users to be able to access a specific entry. This is one of two ways of - * doing that, the other being by offset. This method can be quite slow - * if dealing with a large feed that hasn't yet been processed as it - * instantiates objects for every entry until it finds the one needed. - * - * @param string $id Valid ID for the given feed format - * @return XML_Feed_Parser_Type|false - */ - function getEntryById($id) - { - if (isset($this->idMappings[$id])) { - return $this->getEntryByOffset($this->idMappings[$id]); - } - - /* - * Since we have not yet encountered that ID, let's go through all the - * remaining entries in order till we find it. - * This is a fairly slow implementation, but it should work. - */ - return $this->feed->getEntryById($id); - } - - /** - * Retrieve entry by numeric offset, starting from zero. - * - * As well as allowing the items to be iterated over we want to allow - * users to be able to access a specific entry. This is one of two ways of - * doing that, the other being by ID. - * - * @param int $offset The position of the entry within the feed, starting from 0 - * @return XML_Feed_Parser_Type|false - */ - function getEntryByOffset($offset) - { - if ($offset < $this->feed->numberEntries) { - if (isset($this->feed->entries[$offset])) { - return $this->feed->entries[$offset]; - } else { - try { - $this->feed->getEntryByOffset($offset); - } catch (Exception $e) { - return false; - } - $id = $this->feed->entries[$offset]->getID(); - $this->idMappings[$id] = $offset; - return $this->feed->entries[$offset]; - } - } else { - return false; - } - } - - /** - * Retrieve version details from feed type class. - * - * @return void - * @author James Stewart - */ - function version() - { - return $this->feed->version; - } - - /** - * Returns a string representation of the feed. - * - * @return String - **/ - function __toString() - { - return $this->feed->__toString(); - } -} -?>
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