98 lines
3.1 KiB
PHP
98 lines
3.1 KiB
PHP
<?php
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namespace PicoFeed\Parsers;
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class Atom extends \PicoFeed\Parser
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{
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public function execute()
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{
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\PicoFeed\Logging::log(\get_called_class().': begin parsing');
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\libxml_use_internal_errors(true);
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$xml = \simplexml_load_string($this->content);
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if ($xml === false) {
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\PicoFeed\Logging::log(\get_called_class().': XML parsing error');
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\PicoFeed\Logging::log($this->getXmlErrors());
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return false;
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}
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$this->url = $this->getUrl($xml);
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$this->title = $this->stripWhiteSpace((string) $xml->title) ?: $this->url;
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$this->id = (string) $xml->id;
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$this->updated = $this->parseDate((string) $xml->updated);
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$author = (string) $xml->author->name;
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\PicoFeed\Logging::log(\get_called_class().': Title => '.$this->title);
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\PicoFeed\Logging::log(\get_called_class().': Url => '.$this->url);
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foreach ($xml->entry as $entry) {
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if (isset($entry->author->name)) {
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$author = (string) $entry->author->name;
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}
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$id = (string) $entry->id;
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$item = new \StdClass;
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$item->url = $this->getUrl($entry);
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$item->id = $this->generateId($id !== $item->url ? $id : $item->url, $this->isExcludedFromId($this->url) ? '' : $this->url);
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$item->title = $this->stripWhiteSpace((string) $entry->title);
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$item->updated = $this->parseDate((string) $entry->updated);
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$item->author = $author;
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$item->content = $this->filterHtml($this->getContent($entry), $item->url);
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if (empty($item->title)) $item->title = $item->url;
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// Try to find an enclosure
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foreach ($entry->link as $link) {
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if ((string) $link['rel'] === 'enclosure') {
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$item->enclosure = (string) $link['href'];
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$item->enclosure_type = (string) $link['type'];
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if (\PicoFeed\Filter::isRelativePath($item->enclosure)) {
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$item->enclosure = \PicoFeed\Filter::getAbsoluteUrl($item->enclosure, $this->url);
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}
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break;
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}
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}
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$this->items[] = $item;
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}
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\PicoFeed\Logging::log(\get_called_class().': parsing finished ('.count($this->items).' items)');
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return $this;
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}
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public function getContent($entry)
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{
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if (isset($entry->content) && ! empty($entry->content)) {
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if (count($entry->content->children())) {
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return (string) $entry->content->asXML();
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}
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else {
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return (string) $entry->content;
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}
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}
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else if (isset($entry->summary) && ! empty($entry->summary)) {
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return (string) $entry->summary;
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}
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return '';
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}
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public function getUrl($xml)
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{
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foreach ($xml->link as $link) {
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if ((string) $link['type'] === 'text/html' || (string) $link['type'] === 'application/xhtml+xml') {
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return (string) $link['href'];
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}
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}
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return (string) $xml->link['href'];
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}
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} |