miniflux-legacy/vendor/miniflux/picofeed/lib/PicoFeed/Parser/Rss10.php
Frédéric Guillot 32a60fd614 Update PicoFeed
2017-06-20 19:41:55 -04:00

306 lines
9.6 KiB
PHP

<?php
namespace PicoFeed\Parser;
use SimpleXMLElement;
use PicoFeed\Filter\Filter;
/**
* RSS 1.0 parser.
*
* @package PicoFeed\Parser
* @author Frederic Guillot
*/
class Rss10 extends Parser
{
/**
* Supported namespaces.
*/
protected $namespaces = array(
'rss' => 'http://purl.org/rss/1.0/',
'dc' => 'http://purl.org/dc/elements/1.1/',
'content' => 'http://purl.org/rss/1.0/modules/content/',
'feedburner' => 'http://rssnamespace.org/feedburner/ext/1.0',
);
/**
* Get the path to the items XML tree.
*
* @param SimpleXMLElement $xml Feed xml
* @return SimpleXMLElement[]
*/
public function getItemsTree(SimpleXMLElement $xml)
{
return XmlParser::getXPathResult($xml, 'rss:item', $this->namespaces)
?: XmlParser::getXPathResult($xml, 'item')
?: $xml->item;
}
/**
* Find the feed url.
*
* @param SimpleXMLElement $xml Feed xml
* @param \PicoFeed\Parser\Feed $feed Feed object
*/
public function findFeedUrl(SimpleXMLElement $xml, Feed $feed)
{
$feed->setFeedUrl('');
}
/**
* Find the site url.
*
* @param SimpleXMLElement $xml Feed xml
* @param \PicoFeed\Parser\Feed $feed Feed object
*/
public function findSiteUrl(SimpleXMLElement $xml, Feed $feed)
{
$value = XmlParser::getXPathResult($xml, 'rss:channel/rss:link', $this->namespaces)
?: XmlParser::getXPathResult($xml, 'channel/link')
?: $xml->channel->link;
$feed->setSiteUrl(XmlParser::getValue($value));
}
/**
* Find the feed description.
*
* @param SimpleXMLElement $xml Feed xml
* @param \PicoFeed\Parser\Feed $feed Feed object
*/
public function findFeedDescription(SimpleXMLElement $xml, Feed $feed)
{
$description = XmlParser::getXPathResult($xml, 'rss:channel/rss:description', $this->namespaces)
?: XmlParser::getXPathResult($xml, 'channel/description')
?: $xml->channel->description;
$feed->setDescription(XmlParser::getValue($description));
}
/**
* Find the feed logo url.
*
* @param SimpleXMLElement $xml Feed xml
* @param \PicoFeed\Parser\Feed $feed Feed object
*/
public function findFeedLogo(SimpleXMLElement $xml, Feed $feed)
{
$logo = XmlParser::getXPathResult($xml, 'rss:image/rss:url', $this->namespaces)
?: XmlParser::getXPathResult($xml, 'image/url');
$feed->setLogo(XmlParser::getValue($logo));
}
/**
* Find the feed icon.
*
* @param SimpleXMLElement $xml Feed xml
* @param \PicoFeed\Parser\Feed $feed Feed object
*/
public function findFeedIcon(SimpleXMLElement $xml, Feed $feed)
{
$feed->setIcon('');
}
/**
* Find the feed title.
*
* @param SimpleXMLElement $xml Feed xml
* @param \PicoFeed\Parser\Feed $feed Feed object
*/
public function findFeedTitle(SimpleXMLElement $xml, Feed $feed)
{
$title = XmlParser::getXPathResult($xml, 'rss:channel/rss:title', $this->namespaces)
?: XmlParser::getXPathResult($xml, 'channel/title')
?: $xml->channel->title;
$feed->setTitle(Filter::stripWhiteSpace(XmlParser::getValue($title)) ?: $feed->getSiteUrl());
}
/**
* Find the feed language.
*
* @param SimpleXMLElement $xml Feed xml
* @param \PicoFeed\Parser\Feed $feed Feed object
*/
public function findFeedLanguage(SimpleXMLElement $xml, Feed $feed)
{
$language = XmlParser::getXPathResult($xml, 'rss:channel/dc:language', $this->namespaces)
?: XmlParser::getXPathResult($xml, 'channel/dc:language', $this->namespaces);
$feed->setLanguage(XmlParser::getValue($language));
}
/**
* Find the feed id.
*
* @param SimpleXMLElement $xml Feed xml
* @param \PicoFeed\Parser\Feed $feed Feed object
*/
public function findFeedId(SimpleXMLElement $xml, Feed $feed)
{
$feed->setId($feed->getFeedUrl() ?: $feed->getSiteUrl());
}
/**
* Find the feed date.
*
* @param SimpleXMLElement $xml Feed xml
* @param \PicoFeed\Parser\Feed $feed Feed object
*/
public function findFeedDate(SimpleXMLElement $xml, Feed $feed)
{
$date = XmlParser::getXPathResult($xml, 'rss:channel/dc:date', $this->namespaces)
?: XmlParser::getXPathResult($xml, 'channel/dc:date', $this->namespaces);
$feed->setDate($this->getDateParser()->getDateTime(XmlParser::getValue($date)));
}
/**
* Find the item published date.
*
* @param SimpleXMLElement $entry Feed item
* @param Item $item Item object
* @param \PicoFeed\Parser\Feed $feed Feed object
*/
public function findItemPublishedDate(SimpleXMLElement $entry, Item $item, Feed $feed)
{
$date = XmlParser::getXPathResult($entry, 'dc:date', $this->namespaces);
$item->setPublishedDate(!empty($date) ? $this->getDateParser()->getDateTime(XmlParser::getValue($date)) : null);
}
/**
* Find the item updated date.
*
* @param SimpleXMLElement $entry Feed item
* @param Item $item Item object
* @param \PicoFeed\Parser\Feed $feed Feed object
*/
public function findItemUpdatedDate(SimpleXMLElement $entry, Item $item, Feed $feed)
{
if ($item->publishedDate === null) {
$this->findItemPublishedDate($entry, $item, $feed);
}
$item->setUpdatedDate($item->getPublishedDate()); // No updated date in RSS 1.0 specifications
}
/**
* Find the item title.
*
* @param SimpleXMLElement $entry Feed item
* @param \PicoFeed\Parser\Item $item Item object
*/
public function findItemTitle(SimpleXMLElement $entry, Item $item)
{
$title = XmlParser::getXPathResult($entry, 'rss:title', $this->namespaces)
?: XmlParser::getXPathResult($entry, 'title')
?: $entry->title;
$item->setTitle(Filter::stripWhiteSpace(XmlParser::getValue($title)) ?: $item->getUrl());
}
/**
* Find the item author.
*
* @param SimpleXMLElement $xml Feed
* @param SimpleXMLElement $entry Feed item
* @param \PicoFeed\Parser\Item $item Item object
*/
public function findItemAuthor(SimpleXMLElement $xml, SimpleXMLElement $entry, Item $item)
{
$author = XmlParser::getXPathResult($entry, 'dc:creator', $this->namespaces)
?: XmlParser::getXPathResult($xml, 'rss:channel/dc:creator', $this->namespaces)
?: XmlParser::getXPathResult($xml, 'channel/dc:creator', $this->namespaces);
$item->setAuthor(XmlParser::getValue($author));
}
/**
* Find the item content.
*
* @param SimpleXMLElement $entry Feed item
* @param \PicoFeed\Parser\Item $item Item object
*/
public function findItemContent(SimpleXMLElement $entry, Item $item)
{
$content = XmlParser::getXPathResult($entry, 'content:encoded', $this->namespaces);
if (XmlParser::getValue($content) === '') {
$content = XmlParser::getXPathResult($entry, 'rss:description', $this->namespaces)
?: XmlParser::getXPathResult($entry, 'description')
?: $entry->description;
}
$item->setContent(XmlParser::getValue($content));
}
/**
* Find the item URL.
*
* @param SimpleXMLElement $entry Feed item
* @param \PicoFeed\Parser\Item $item Item object
*/
public function findItemUrl(SimpleXMLElement $entry, Item $item)
{
$link = XmlParser::getXPathResult($entry, 'feedburner:origLink', $this->namespaces)
?: XmlParser::getXPathResult($entry, 'rss:link', $this->namespaces)
?: XmlParser::getXPathResult($entry, 'link')
?: $entry->link;
$item->setUrl(XmlParser::getValue($link));
}
/**
* Genereate the item id.
*
* @param SimpleXMLElement $entry Feed item
* @param \PicoFeed\Parser\Item $item Item object
* @param \PicoFeed\Parser\Feed $feed Feed object
*/
public function findItemId(SimpleXMLElement $entry, Item $item, Feed $feed)
{
$item->setId($this->generateId(
$item->getTitle(), $item->getUrl(), $item->getContent()
));
}
/**
* Find the item enclosure.
*
* @param SimpleXMLElement $entry Feed item
* @param \PicoFeed\Parser\Item $item Item object
* @param \PicoFeed\Parser\Feed $feed Feed object
*/
public function findItemEnclosure(SimpleXMLElement $entry, Item $item, Feed $feed)
{
}
/**
* Find the item language.
*
* @param SimpleXMLElement $entry Feed item
* @param \PicoFeed\Parser\Item $item Item object
* @param \PicoFeed\Parser\Feed $feed Feed object
*/
public function findItemLanguage(SimpleXMLElement $entry, Item $item, Feed $feed)
{
$language = XmlParser::getXPathResult($entry, 'dc:language', $this->namespaces);
$item->setLanguage(XmlParser::getValue($language) ?: $feed->getLanguage());
}
/**
* Find the item categories.
*
* @param SimpleXMLElement $entry Feed item
* @param Item $item Item object
* @param Feed $feed Feed object
*/
public function findItemCategories(SimpleXMLElement $entry, Item $item, Feed $feed)
{
$categories = XmlParser::getXPathResult($entry, 'dc:subject', $this->namespaces);
$item->setCategoriesFromXml($categories);
}
}