diff options
author | Brion Vibber <brion@pobox.com> | 2010-02-21 11:12:56 -0800 |
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committer | Brion Vibber <brion@pobox.com> | 2010-02-21 11:12:56 -0800 |
commit | 85528ccb1f5840a8c73f6c939f12d98bb3680cde (patch) | |
tree | be0f09c02a2bf003c23d6be98919783347b9786d /plugins/OStatus/extlib/XML/Feed/Parser/RSS1.php | |
parent | 86f2f530ef60fdb601720885d493cf5b2a446e6b (diff) | |
parent | 3e7a2a4014dd93637f5a666e238dde13e397523c (diff) |
Merge branch 'testing' of gitorious.org:statusnet/mainline into 0.9.x
Diffstat (limited to 'plugins/OStatus/extlib/XML/Feed/Parser/RSS1.php')
-rwxr-xr-x | plugins/OStatus/extlib/XML/Feed/Parser/RSS1.php | 277 |
1 files changed, 0 insertions, 277 deletions
diff --git a/plugins/OStatus/extlib/XML/Feed/Parser/RSS1.php b/plugins/OStatus/extlib/XML/Feed/Parser/RSS1.php deleted file mode 100755 index 60c9938ba..000000000 --- a/plugins/OStatus/extlib/XML/Feed/Parser/RSS1.php +++ /dev/null @@ -1,277 +0,0 @@ -<?php -/* vim: set expandtab tabstop=4 shiftwidth=4 softtabstop=4: */ - -/** - * RSS1 class for XML_Feed_Parser - * - * 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 2.1 - * @version CVS: $Id: RSS1.php,v 1.10 2006/07/27 13:52:05 jystewart Exp $ - * @link http://pear.php.net/package/XML_Feed_Parser/ - */ - -/** - * This class handles RSS1.0 feeds. - * - * @author James Stewart <james@jystewart.net> - * @version Release: 1.0.3 - * @package XML_Feed_Parser - * @todo Find a Relax NG URI we can use - */ -class XML_Feed_Parser_RSS1 extends XML_Feed_Parser_Type -{ - /** - * The URI of the RelaxNG schema used to (optionally) validate the feed - * @var string - */ - private $relax = 'rss10.rnc'; - - /** - * We're likely to use XPath, so let's keep it global - * @var DOMXPath - */ - protected $xpath; - - /** - * The feed type we are parsing - * @var string - */ - public $version = 'RSS 1.0'; - - /** - * The class used to represent individual items - * @var string - */ - protected $itemClass = 'XML_Feed_Parser_RSS1Element'; - - /** - * The element containing entries - * @var string - */ - protected $itemElement = 'item'; - - /** - * Here we map those elements we're not going to handle individually - * to the constructs they are. The optional second parameter in the array - * tells the parser whether to 'fall back' (not apt. at the feed level) or - * fail if the element is missing. If the parameter is not set, the function - * will simply return false and leave it to the client to decide what to do. - * @var array - */ - protected $map = array( - 'title' => array('Text'), - 'link' => array('Text'), - 'description' => array('Text'), - 'image' => array('Image'), - 'textinput' => array('TextInput'), - 'updatePeriod' => array('Text'), - 'updateFrequency' => array('Text'), - 'updateBase' => array('Date'), - 'rights' => array('Text'), # dc:rights - 'description' => array('Text'), # dc:description - 'creator' => array('Text'), # dc:creator - 'publisher' => array('Text'), # dc:publisher - 'contributor' => array('Text'), # dc:contributor - 'date' => array('Date') # dc:contributor - ); - - /** - * Here we map some elements to their atom equivalents. This is going to be - * quite tricky to pull off effectively (and some users' methods may vary) - * but is worth trying. The key is the atom version, the value is RSS2. - * @var array - */ - protected $compatMap = array( - 'title' => array('title'), - 'link' => array('link'), - 'subtitle' => array('description'), - 'author' => array('creator'), - 'updated' => array('date')); - - /** - * We will be working with multiple namespaces and it is useful to - * keep them together - * @var array - */ - protected $namespaces = array( - 'rdf' => 'http://www.w3.org/1999/02/22-rdf-syntax-ns#', - 'rss' => 'http://purl.org/rss/1.0/', - 'dc' => 'http://purl.org/rss/1.0/modules/dc/', - 'content' => 'http://purl.org/rss/1.0/modules/content/', - 'sy' => 'http://web.resource.org/rss/1.0/modules/syndication/'); - - /** - * Our constructor does nothing more than its parent. - * - * @param DOMDocument $xml A DOM object representing the feed - * @param bool (optional) $string Whether or not to validate this feed - */ - function __construct(DOMDocument $model, $strict = false) - { - $this->model = $model; - if ($strict) { - $validate = $this->model->relaxNGValidate(self::getSchemaDir . - DIRECTORY_SEPARATOR . $this->relax); - if (! $validate) { - throw new XML_Feed_Parser_Exception('Failed required validation'); - } - } - - $this->xpath = new DOMXPath($model); - foreach ($this->namespaces as $key => $value) { - $this->xpath->registerNamespace($key, $value); - } - $this->numberEntries = $this->count('item'); - } - - /** - * Allows retrieval of an entry by ID where the rdf:about attribute is used - * - * This is not really something that will work with RSS1 as it does not have - * clear restrictions on the global uniqueness of IDs. We will employ the - * _very_ hit and miss method of selecting entries based on the rdf:about - * attribute. If DOMXPath::evaluate is available, we also use that to store - * a reference to the entry in the array used by getEntryByOffset so that - * method does not have to seek out the entry if it's requested that way. - * - * @param string $id any valid ID. - * @return XML_Feed_Parser_RSS1Element - */ - function getEntryById($id) - { - if (isset($this->idMappings[$id])) { - return $this->entries[$this->idMappings[$id]]; - } - - $entries = $this->xpath->query("//rss:item[@rdf:about='$id']"); - if ($entries->length > 0) { - $classname = $this->itemClass; - $entry = new $classname($entries->item(0), $this); - if (in_array('evaluate', get_class_methods($this->xpath))) { - $offset = $this->xpath->evaluate("count(preceding-sibling::rss:item)", $entries->item(0)); - $this->entries[$offset] = $entry; - } - $this->idMappings[$id] = $entry; - return $entry; - } - return false; - } - - /** - * Get details of the image associated with the feed. - * - * @return array|false an array simply containing the child elements - */ - protected function getImage() - { - $images = $this->model->getElementsByTagName('image'); - if ($images->length > 0) { - $image = $images->item(0); - $details = array(); - if ($image->hasChildNodes()) { - $details = array( - 'title' => $image->getElementsByTagName('title')->item(0)->value, - 'link' => $image->getElementsByTagName('link')->item(0)->value, - 'url' => $image->getElementsByTagName('url')->item(0)->value); - } else { - $details = array('title' => false, - 'link' => false, - 'url' => $image->attributes->getNamedItem('resource')->nodeValue); - } - $details = array_merge($details, array('description' => false, 'height' => false, 'width' => false)); - if (! empty($details)) { - return $details; - } - } - return false; - } - - /** - * The textinput element is little used, but in the interests of - * completeness we will support it. - * - * @return array|false - */ - protected function getTextInput() - { - $inputs = $this->model->getElementsByTagName('textinput'); - if ($inputs->length > 0) { - $input = $inputs->item(0); - $results = array(); - $results['title'] = isset( - $input->getElementsByTagName('title')->item(0)->value) ? - $input->getElementsByTagName('title')->item(0)->value : null; - $results['description'] = isset( - $input->getElementsByTagName('description')->item(0)->value) ? - $input->getElementsByTagName('description')->item(0)->value : null; - $results['name'] = isset( - $input->getElementsByTagName('name')->item(0)->value) ? - $input->getElementsByTagName('name')->item(0)->value : null; - $results['link'] = isset( - $input->getElementsByTagName('link')->item(0)->value) ? - $input->getElementsByTagName('link')->item(0)->value : null; - if (empty($results['link']) and - $input->attributes->getNamedItem('resource')) { - $results['link'] = - $input->attributes->getNamedItem('resource')->nodeValue; - } - if (! empty($results)) { - return $results; - } - } - return false; - } - - /** - * Employs various techniques to identify the author - * - * Dublin Core provides the dc:creator, dc:contributor, and dc:publisher - * elements for defining authorship in RSS1. We will try each of those in - * turn in order to simulate the atom author element and will return it - * as text. - * - * @return array|false - */ - function getAuthor() - { - $options = array('creator', 'contributor', 'publisher'); - foreach ($options as $element) { - $test = $this->model->getElementsByTagName($element); - if ($test->length > 0) { - return $test->item(0)->value; - } - } - return false; - } - - /** - * Retrieve a link - * - * In RSS1 a link is a text element but in order to ensure that we resolve - * URLs properly we have a special function for them. - * - * @return string - */ - function getLink($offset = 0, $attribute = 'href', $params = false) - { - $links = $this->model->getElementsByTagName('link'); - if ($links->length <= $offset) { - return false; - } - $link = $links->item($offset); - return $this->addBase($link->nodeValue, $link); - } -} - -?>
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