* A PHP-Based RSS and Atom Feed Framework.
* Takes the hard work out of managing a complete RSS/Atom solution.
*
- * Copyright (c) 2004-2009, Ryan Parman, Geoffrey Sneddon, Ryan McCue, and contributors
+ * Copyright (c) 2004-2012, Ryan Parman, Geoffrey Sneddon, Ryan McCue, and contributors
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification, are
* POSSIBILITY OF SUCH DAMAGE.
*
* @package SimplePie
- * @version 1.3-dev
- * @copyright 2004-2010 Ryan Parman, Geoffrey Sneddon, Ryan McCue
+ * @version 1.3.1
+ * @copyright 2004-2012 Ryan Parman, Geoffrey Sneddon, Ryan McCue
* @author Ryan Parman
* @author Geoffrey Sneddon
* @author Ryan McCue
* @link http://simplepie.org/ SimplePie
* @license http://www.opensource.org/licenses/bsd-license.php BSD License
- * @todo phpDoc comments
*/
-
+/**
+ * Used for feed auto-discovery
+ *
+ *
+ * This class can be overloaded with {@see SimplePie::set_locator_class()}
+ *
+ * @package SimplePie
+ */
class SimplePie_Locator
{
var $useragent;
var $file;
var $local = array();
var $elsewhere = array();
- var $file_class = 'SimplePie_File';
var $cached_entities = array();
var $http_base;
var $base;
var $base_location = 0;
var $checked_feeds = 0;
var $max_checked_feeds = 10;
- var $content_type_sniffer_class = 'SimplePie_Content_Type_Sniffer';
+ protected $registry;
- public function __construct(&$file, $timeout = 10, $useragent = null, $file_class = 'SimplePie_File', $max_checked_feeds = 10, $content_type_sniffer_class = 'SimplePie_Content_Type_Sniffer')
+ public function __construct(SimplePie_File $file, $timeout = 10, $useragent = null, $max_checked_feeds = 10)
{
- $this->file =& $file;
- $this->file_class = $file_class;
+ $this->file = $file;
$this->useragent = $useragent;
$this->timeout = $timeout;
$this->max_checked_feeds = $max_checked_feeds;
- $this->content_type_sniffer_class = $content_type_sniffer_class;
+
+ if (class_exists('DOMDocument'))
+ {
+ $this->dom = new DOMDocument();
+
+ set_error_handler(array('SimplePie_Misc', 'silence_errors'));
+ $this->dom->loadHTML($this->file->body);
+ restore_error_handler();
+ }
+ else
+ {
+ $this->dom = null;
+ }
+ }
+
+ public function set_registry(SimplePie_Registry $registry)
+ {
+ $this->registry = $registry;
}
public function find($type = SIMPLEPIE_LOCATOR_ALL, &$working)
if ($this->file->method & SIMPLEPIE_FILE_SOURCE_REMOTE)
{
- $sniffer = new $this->content_type_sniffer_class($this->file);
+ $sniffer = $this->registry->create('Content_Type_Sniffer', array($this->file));
if ($sniffer->get_type() !== 'text/html')
{
return null;
return null;
}
- public function is_feed(&$file)
+ public function is_feed($file)
{
if ($file->method & SIMPLEPIE_FILE_SOURCE_REMOTE)
{
- $sniffer = new $this->content_type_sniffer_class($file);
+ $sniffer = $this->registry->create('Content_Type_Sniffer', array($file));
$sniffed = $sniffer->get_type();
if (in_array($sniffed, array('application/rss+xml', 'application/rdf+xml', 'text/rdf', 'application/atom+xml', 'text/xml', 'application/xml')))
{
public function get_base()
{
+ if ($this->dom === null)
+ {
+ throw new SimplePie_Exception('DOMDocument not found, unable to use locator');
+ }
$this->http_base = $this->file->url;
$this->base = $this->http_base;
- $elements = SimplePie_Misc::get_element('base', $this->file->body);
+ $elements = $this->dom->getElementsByTagName('base');
foreach ($elements as $element)
{
- if ($element['attribs']['href']['data'] !== '')
+ if ($element->hasAttribute('href'))
{
- $this->base = SimplePie_Misc::absolutize_url(trim($element['attribs']['href']['data']), $this->http_base);
- $this->base_location = $element['offset'];
+ $base = $this->registry->call('Misc', 'absolutize_url', array(trim($element->getAttribute('href')), $this->http_base));
+ if ($base === false)
+ {
+ continue;
+ }
+ $this->base = $base;
+ $this->base_location = method_exists($element, 'getLineNo') ? $element->getLineNo() : 0;
break;
}
}
public function autodiscovery()
{
- $links = array_merge(SimplePie_Misc::get_element('link', $this->file->body), SimplePie_Misc::get_element('a', $this->file->body), SimplePie_Misc::get_element('area', $this->file->body));
$done = array();
$feeds = array();
+ $feeds = array_merge($feeds, $this->search_elements_by_tag('link', $done, $feeds));
+ $feeds = array_merge($feeds, $this->search_elements_by_tag('a', $done, $feeds));
+ $feeds = array_merge($feeds, $this->search_elements_by_tag('area', $done, $feeds));
+
+ if (!empty($feeds))
+ {
+ return array_values($feeds);
+ }
+ else
+ {
+ return null;
+ }
+ }
+
+ protected function search_elements_by_tag($name, &$done, $feeds)
+ {
+ if ($this->dom === null)
+ {
+ throw new SimplePie_Exception('DOMDocument not found, unable to use locator');
+ }
+
+ $links = $this->dom->getElementsByTagName($name);
foreach ($links as $link)
{
if ($this->checked_feeds === $this->max_checked_feeds)
{
break;
}
- if (isset($link['attribs']['href']['data']) && isset($link['attribs']['rel']['data']))
+ if ($link->hasAttribute('href') && $link->hasAttribute('rel'))
{
- $rel = array_unique(SimplePie_Misc::space_seperated_tokens(strtolower($link['attribs']['rel']['data'])));
+ $rel = array_unique($this->registry->call('Misc', 'space_seperated_tokens', array(strtolower($link->getAttribute('rel')))));
+ $line = method_exists($link, 'getLineNo') ? $link->getLineNo() : 1;
- if ($this->base_location < $link['offset'])
+ if ($this->base_location < $line)
{
- $href = SimplePie_Misc::absolutize_url(trim($link['attribs']['href']['data']), $this->base);
+ $href = $this->registry->call('Misc', 'absolutize_url', array(trim($link->getAttribute('href')), $this->base));
}
else
{
- $href = SimplePie_Misc::absolutize_url(trim($link['attribs']['href']['data']), $this->http_base);
+ $href = $this->registry->call('Misc', 'absolutize_url', array(trim($link->getAttribute('href')), $this->http_base));
+ }
+ if ($href === false)
+ {
+ continue;
}
- if (!in_array($href, $done) && in_array('feed', $rel) || (in_array('alternate', $rel) && !in_array('stylesheet', $rel) && !empty($link['attribs']['type']['data']) && in_array(strtolower(SimplePie_Misc::parse_mime($link['attribs']['type']['data'])), array('application/rss+xml', 'application/atom+xml'))) && !isset($feeds[$href]))
+ if (!in_array($href, $done) && in_array('feed', $rel) || (in_array('alternate', $rel) && !in_array('stylesheet', $rel) && $link->hasAttribute('type') && in_array(strtolower($this->registry->call('Misc', 'parse_mime', array($link->getAttribute('type')))), array('application/rss+xml', 'application/atom+xml'))) && !isset($feeds[$href]))
{
$this->checked_feeds++;
$headers = array(
'Accept' => 'application/atom+xml, application/rss+xml, application/rdf+xml;q=0.9, application/xml;q=0.8, text/xml;q=0.8, text/html;q=0.7, unknown/unknown;q=0.1, application/unknown;q=0.1, */*;q=0.1',
);
- $feed = new $this->file_class($href, $this->timeout, 5, $headers, $this->useragent);
+ $feed = $this->registry->create('File', array($href, $this->timeout, 5, $headers, $this->useragent));
if ($feed->success && ($feed->method & SIMPLEPIE_FILE_SOURCE_REMOTE === 0 || ($feed->status_code === 200 || $feed->status_code > 206 && $feed->status_code < 300)) && $this->is_feed($feed))
{
$feeds[$href] = $feed;
}
}
- if (!empty($feeds))
- {
- return array_values($feeds);
- }
- else
- {
- return null;
- }
+ return $feeds;
}
public function get_links()
{
- $links = SimplePie_Misc::get_element('a', $this->file->body);
+ if ($this->dom === null)
+ {
+ throw new SimplePie_Exception('DOMDocument not found, unable to use locator');
+ }
+
+ $links = $this->dom->getElementsByTagName('a');
foreach ($links as $link)
{
- if (isset($link['attribs']['href']['data']))
+ if ($link->hasAttribute('href'))
{
- $href = trim($link['attribs']['href']['data']);
- $parsed = SimplePie_Misc::parse_url($href);
+ $href = trim($link->getAttribute('href'));
+ $parsed = $this->registry->call('Misc', 'parse_url', array($href));
if ($parsed['scheme'] === '' || preg_match('/^(http(s)|feed)?$/i', $parsed['scheme']))
{
- if ($this->base_location < $link['offset'])
+ if ($this->base_location < $link->getLineNo())
{
- $href = SimplePie_Misc::absolutize_url(trim($link['attribs']['href']['data']), $this->base);
+ $href = $this->registry->call('Misc', 'absolutize_url', array(trim($link->getAttribute('href')), $this->base));
}
else
{
- $href = SimplePie_Misc::absolutize_url(trim($link['attribs']['href']['data']), $this->http_base);
+ $href = $this->registry->call('Misc', 'absolutize_url', array(trim($link->getAttribute('href')), $this->http_base));
+ }
+ if ($href === false)
+ {
+ continue;
}
- $current = SimplePie_Misc::parse_url($this->file->url);
+ $current = $this->registry->call('Misc', 'parse_url', array($this->file->url));
if ($parsed['authority'] === '' || $parsed['authority'] === $current['authority'])
{
$headers = array(
'Accept' => 'application/atom+xml, application/rss+xml, application/rdf+xml;q=0.9, application/xml;q=0.8, text/xml;q=0.8, text/html;q=0.7, unknown/unknown;q=0.1, application/unknown;q=0.1, */*;q=0.1',
);
- $feed = new $this->file_class($value, $this->timeout, 5, $headers, $this->useragent);
+ $feed = $this->registry->create('File', array($value, $this->timeout, 5, $headers, $this->useragent));
if ($feed->success && ($feed->method & SIMPLEPIE_FILE_SOURCE_REMOTE === 0 || ($feed->status_code === 200 || $feed->status_code > 206 && $feed->status_code < 300)) && $this->is_feed($feed))
{
return $feed;
$headers = array(
'Accept' => 'application/atom+xml, application/rss+xml, application/rdf+xml;q=0.9, application/xml;q=0.8, text/xml;q=0.8, text/html;q=0.7, unknown/unknown;q=0.1, application/unknown;q=0.1, */*;q=0.1',
);
- $feed = new $this->file_class($value, $this->timeout, 5, null, $this->useragent);
+ $feed = $this->registry->create('File', array($value, $this->timeout, 5, null, $this->useragent));
if ($feed->success && ($feed->method & SIMPLEPIE_FILE_SOURCE_REMOTE === 0 || ($feed->status_code === 200 || $feed->status_code > 206 && $feed->status_code < 300)) && $this->is_feed($feed))
{
return $feed;
projects / github / wallabag / wallabag.git / blobdiff