From 865ecc87963dc3b26e66296616eef2a1cc41ac3f Mon Sep 17 00:00:00 2001 From: Andrew Dolgov Date: Wed, 25 Oct 2023 12:55:09 +0300 Subject: move to psr-4 autoloader --- classes/feedparser.php | 245 ------------------------------------------------- 1 file changed, 245 deletions(-) delete mode 100644 classes/feedparser.php (limited to 'classes/feedparser.php') diff --git a/classes/feedparser.php b/classes/feedparser.php deleted file mode 100644 index 4b9c63f56..000000000 --- a/classes/feedparser.php +++ /dev/null @@ -1,245 +0,0 @@ - */ - private $libxml_errors = []; - - /** @var array */ - private $items = []; - - /** @var string|null */ - private $link; - - /** @var string|null */ - private $title; - - /** @var FeedParser::FEED_*|null */ - private $type; - - /** @var DOMXPath|null */ - private $xpath; - - const FEED_RDF = 0; - const FEED_RSS = 1; - const FEED_ATOM = 2; - - function __construct(string $data) { - libxml_use_internal_errors(true); - libxml_clear_errors(); - $this->doc = new DOMDocument(); - $this->doc->loadXML($data); - - mb_substitute_character("none"); - - $error = libxml_get_last_error(); - - if ($error) { - foreach (libxml_get_errors() as $error) { - if ($error->level == LIBXML_ERR_FATAL) { - // currently only the first error is reported - $this->error ??= Errors::format_libxml_error($error); - $this->libxml_errors[] = Errors::format_libxml_error($error); - } - } - } - libxml_clear_errors(); - } - - function init() : void { - $root = $this->doc->firstChild; - $xpath = new DOMXPath($this->doc); - $xpath->registerNamespace('atom', 'http://www.w3.org/2005/Atom'); - $xpath->registerNamespace('atom03', 'http://purl.org/atom/ns#'); - $xpath->registerNamespace('media', 'http://search.yahoo.com/mrss/'); - $xpath->registerNamespace('rdf', 'http://www.w3.org/1999/02/22-rdf-syntax-ns#'); - $xpath->registerNamespace('slash', 'http://purl.org/rss/1.0/modules/slash/'); - $xpath->registerNamespace('dc', 'http://purl.org/dc/elements/1.1/'); - $xpath->registerNamespace('content', 'http://purl.org/rss/1.0/modules/content/'); - $xpath->registerNamespace('thread', 'http://purl.org/syndication/thread/1.0'); - - $this->xpath = $xpath; - - $root_list = $xpath->query("(//atom03:feed|//atom:feed|//channel|//rdf:rdf|//rdf:RDF)"); - - if (!empty($root_list) && $root_list->length > 0) { - - /** @var DOMElement|null $root */ - $root = $root_list->item(0); - - if ($root) { - switch (mb_strtolower($root->tagName)) { - case "rdf:rdf": - $this->type = $this::FEED_RDF; - break; - case "channel": - $this->type = $this::FEED_RSS; - break; - case "feed": - case "atom:feed": - $this->type = $this::FEED_ATOM; - break; - default: - $this->error ??= "Unknown/unsupported feed type"; - return; - } - } - - switch ($this->type) { - case $this::FEED_ATOM: - - $title = $xpath->query("//atom:feed/atom:title")->item(0); - - if (!$title) - $title = $xpath->query("//atom03:feed/atom03:title")->item(0); - - - if ($title) { - $this->title = $title->nodeValue; - } - - $link = $xpath->query("//atom:feed/atom:link[not(@rel)]")->item(0); - - if (!$link) - $link = $xpath->query("//atom:feed/atom:link[@rel='alternate']")->item(0); - - if (!$link) - $link = $xpath->query("//atom03:feed/atom03:link[not(@rel)]")->item(0); - - if (!$link) - $link = $xpath->query("//atom03:feed/atom03:link[@rel='alternate']")->item(0); - - /** @var DOMElement|null $link */ - if ($link && $link->hasAttributes()) { - $this->link = $link->getAttribute("href"); - } - - $articles = $xpath->query("//atom:entry"); - - if (empty($articles) || $articles->length == 0) - $articles = $xpath->query("//atom03:entry"); - - foreach ($articles as $article) { - array_push($this->items, new FeedItem_Atom($article, $this->doc, $this->xpath)); - } - - break; - case $this::FEED_RSS: - $title = $xpath->query("//channel/title")->item(0); - - if ($title) { - $this->title = $title->nodeValue; - } - - /** @var DOMElement|null $link */ - $link = $xpath->query("//channel/link")->item(0); - - if ($link) { - if ($link->getAttribute("href")) - $this->link = $link->getAttribute("href"); - else if ($link->nodeValue) - $this->link = $link->nodeValue; - } - - $articles = $xpath->query("//channel/item"); - - foreach ($articles as $article) { - array_push($this->items, new FeedItem_RSS($article, $this->doc, $this->xpath)); - } - - break; - case $this::FEED_RDF: - $xpath->registerNamespace('rssfake', 'http://purl.org/rss/1.0/'); - - $title = $xpath->query("//rssfake:channel/rssfake:title")->item(0); - - if ($title) { - $this->title = $title->nodeValue; - } - - $link = $xpath->query("//rssfake:channel/rssfake:link")->item(0); - - if ($link) { - $this->link = $link->nodeValue; - } - - $articles = $xpath->query("//rssfake:item"); - - foreach ($articles as $article) { - array_push($this->items, new FeedItem_RSS($article, $this->doc, $this->xpath)); - } - - break; - - } - - if ($this->title) $this->title = trim($this->title); - if ($this->link) $this->link = trim($this->link); - - } else { - $this->error ??= "Unknown/unsupported feed type"; - return; - } - } - - /** @deprecated use Errors::format_libxml_error() instead */ - function format_error(LibXMLError $error) : string { - return Errors::format_libxml_error($error); - } - - // libxml may have invalid unicode data in error messages - function error() : string { - return UConverter::transcode($this->error ?? '', 'UTF-8', 'UTF-8'); - } - - /** @return array - WARNING: may return invalid unicode data */ - function errors() : array { - return $this->libxml_errors; - } - - function get_link() : string { - return clean($this->link ?? ''); - } - - function get_title() : string { - return clean($this->title ?? ''); - } - - /** @return array */ - function get_items() : array { - return $this->items; - } - - /** @return array */ - function get_links(string $rel) : array { - $rv = array(); - - switch ($this->type) { - case $this::FEED_ATOM: - $links = $this->xpath->query("//atom:feed/atom:link"); - - foreach ($links as $link) { - if (!$rel || $link->hasAttribute('rel') && $link->getAttribute('rel') == $rel) { - array_push($rv, clean(trim($link->getAttribute('href')))); - } - } - break; - case $this::FEED_RSS: - $links = $this->xpath->query("//atom:link"); - - foreach ($links as $link) { - if (!$rel || $link->hasAttribute('rel') && $link->getAttribute('rel') == $rel) { - array_push($rv, clean(trim($link->getAttribute('href')))); - } - } - break; - } - - return $rv; - } -} -- cgit v1.2.3