Automated build for v0.01
This commit is contained in:
Fmstrat
160
classes/feeditem/atom.php
Executable file
160
classes/feeditem/atom.php
Executable file
@ -0,0 +1,160 @@
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<?php
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class FeedItem_Atom extends FeedItem_Common {
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const NS_XML = "http://www.w3.org/XML/1998/namespace";
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function get_id() {
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$id = $this->elem->getElementsByTagName("id")->item(0);
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if ($id) {
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return $id->nodeValue;
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} else {
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return clean($this->get_link());
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}
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}
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function get_date() {
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$updated = $this->elem->getElementsByTagName("updated")->item(0);
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if ($updated) {
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return strtotime($updated->nodeValue);
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}
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$published = $this->elem->getElementsByTagName("published")->item(0);
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if ($published) {
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return strtotime($published->nodeValue);
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}
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$date = $this->xpath->query("dc:date", $this->elem)->item(0);
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if ($date) {
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return strtotime($date->nodeValue);
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}
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}
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function get_link() {
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$links = $this->elem->getElementsByTagName("link");
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foreach ($links as $link) {
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if ($link && $link->hasAttribute("href") &&
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(!$link->hasAttribute("rel")
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|| $link->getAttribute("rel") == "alternate"
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|| $link->getAttribute("rel") == "standout")) {
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$base = $this->xpath->evaluate("string(ancestor-or-self::*[@xml:base][1]/@xml:base)", $link);
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if ($base)
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return rewrite_relative_url($base, clean(trim($link->getAttribute("href"))));
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else
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return clean(trim($link->getAttribute("href")));
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}
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}
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}
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function get_title() {
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$title = $this->elem->getElementsByTagName("title")->item(0);
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if ($title) {
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return clean(trim($title->nodeValue));
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}
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}
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function get_content() {
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$content = $this->elem->getElementsByTagName("content")->item(0);
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if ($content) {
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if ($content->hasAttribute('type')) {
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if ($content->getAttribute('type') == 'xhtml') {
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for ($i = 0; $i < $content->childNodes->length; $i++) {
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$child = $content->childNodes->item($i);
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if ($child->hasChildNodes()) {
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return $this->doc->saveHTML($child);
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}
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}
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}
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}
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return $this->subtree_or_text($content);
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}
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}
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function get_description() {
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$content = $this->elem->getElementsByTagName("summary")->item(0);
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if ($content) {
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if ($content->hasAttribute('type')) {
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if ($content->getAttribute('type') == 'xhtml') {
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for ($i = 0; $i < $content->childNodes->length; $i++) {
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$child = $content->childNodes->item($i);
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if ($child->hasChildNodes()) {
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return $this->doc->saveHTML($child);
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}
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}
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}
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}
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return $this->subtree_or_text($content);
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}
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}
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function get_categories() {
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$categories = $this->elem->getElementsByTagName("category");
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$cats = array();
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foreach ($categories as $cat) {
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if ($cat->hasAttribute("term"))
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array_push($cats, trim($cat->getAttribute("term")));
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}
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$categories = $this->xpath->query("dc:subject", $this->elem);
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foreach ($categories as $cat) {
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array_push($cats, clean(trim($cat->nodeValue)));
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}
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return $cats;
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}
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function get_enclosures() {
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$links = $this->elem->getElementsByTagName("link");
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$encs = array();
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foreach ($links as $link) {
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if ($link && $link->hasAttribute("href") && $link->hasAttribute("rel")) {
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if ($link->getAttribute("rel") == "enclosure") {
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$enc = new FeedEnclosure();
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$enc->type = clean($link->getAttribute("type"));
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$enc->link = clean($link->getAttribute("href"));
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$enc->length = clean($link->getAttribute("length"));
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array_push($encs, $enc);
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}
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}
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}
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$encs = array_merge($encs, parent::get_enclosures());
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return $encs;
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}
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function get_language() {
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$lang = $this->elem->getAttributeNS(self::NS_XML, "lang");
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if (!empty($lang)) {
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return clean($lang);
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} else {
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// Fall back to the language declared on the feed, if any.
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foreach ($this->doc->childNodes as $child) {
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if (method_exists($child, "getAttributeNS")) {
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return clean($child->getAttributeNS(self::NS_XML, "lang"));
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}
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}
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}
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}
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}
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162
classes/feeditem/common.php
Executable file
162
classes/feeditem/common.php
Executable file
@ -0,0 +1,162 @@
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<?php
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abstract class FeedItem_Common extends FeedItem {
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protected $elem;
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protected $xpath;
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protected $doc;
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function __construct($elem, $doc, $xpath) {
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$this->elem = $elem;
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$this->xpath = $xpath;
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$this->doc = $doc;
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try {
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$source = $elem->getElementsByTagName("source")->item(0);
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// we don't need <source> element
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if ($source)
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$elem->removeChild($source);
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} catch (DOMException $e) {
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//
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}
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}
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function get_element() {
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return $this->elem;
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}
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function get_author() {
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$author = $this->elem->getElementsByTagName("author")->item(0);
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if ($author) {
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$name = $author->getElementsByTagName("name")->item(0);
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if ($name) return clean($name->nodeValue);
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$email = $author->getElementsByTagName("email")->item(0);
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if ($email) return clean($email->nodeValue);
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if ($author->nodeValue)
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return clean($author->nodeValue);
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}
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$author = $this->xpath->query("dc:creator", $this->elem)->item(0);
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if ($author) {
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return clean($author->nodeValue);
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}
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}
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function get_comments_url() {
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//RSS only. Use a query here to avoid namespace clashes (e.g. with slash).
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//might give a wrong result if a default namespace was declared (possible with XPath 2.0)
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$com_url = $this->xpath->query("comments", $this->elem)->item(0);
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if ($com_url)
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return clean($com_url->nodeValue);
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//Atom Threading Extension (RFC 4685) stuff. Could be used in RSS feeds, so it's in common.
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//'text/html' for type is too restrictive?
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$com_url = $this->xpath->query("atom:link[@rel='replies' and contains(@type,'text/html')]/@href", $this->elem)->item(0);
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if ($com_url)
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return clean($com_url->nodeValue);
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}
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function get_comments_count() {
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//also query for ATE stuff here
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$query = "slash:comments|thread:total|atom:link[@rel='replies']/@thread:count";
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$comments = $this->xpath->query($query, $this->elem)->item(0);
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if ($comments) {
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return clean($comments->nodeValue);
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}
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}
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// this is common for both Atom and RSS types and deals with various media: elements
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function get_enclosures() {
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$encs = [];
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$enclosures = $this->xpath->query("media:content", $this->elem);
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foreach ($enclosures as $enclosure) {
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$enc = new FeedEnclosure();
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$enc->type = clean($enclosure->getAttribute("type"));
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$enc->link = clean($enclosure->getAttribute("url"));
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$enc->length = clean($enclosure->getAttribute("length"));
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$enc->height = clean($enclosure->getAttribute("height"));
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$enc->width = clean($enclosure->getAttribute("width"));
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$medium = clean($enclosure->getAttribute("medium"));
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if (!$enc->type && $medium) {
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$enc->type = strtolower("$medium/generic");
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}
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$desc = $this->xpath->query("media:description", $enclosure)->item(0);
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if ($desc) $enc->title = clean($desc->nodeValue);
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array_push($encs, $enc);
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}
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$enclosures = $this->xpath->query("media:group", $this->elem);
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foreach ($enclosures as $enclosure) {
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$enc = new FeedEnclosure();
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$content = $this->xpath->query("media:content", $enclosure)->item(0);
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if ($content) {
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$enc->type = clean($content->getAttribute("type"));
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$enc->link = clean($content->getAttribute("url"));
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$enc->length = clean($content->getAttribute("length"));
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$enc->height = clean($content->getAttribute("height"));
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$enc->width = clean($content->getAttribute("width"));
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$medium = clean($content->getAttribute("medium"));
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if (!$enc->type && $medium) {
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$enc->type = strtolower("$medium/generic");
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}
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$desc = $this->xpath->query("media:description", $content)->item(0);
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if ($desc) {
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$enc->title = clean($desc->nodeValue);
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} else {
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$desc = $this->xpath->query("media:description", $enclosure)->item(0);
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if ($desc) $enc->title = clean($desc->nodeValue);
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}
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array_push($encs, $enc);
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}
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}
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$enclosures = $this->xpath->query("media:thumbnail", $this->elem);
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foreach ($enclosures as $enclosure) {
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$enc = new FeedEnclosure();
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$enc->type = "image/generic";
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$enc->link = clean($enclosure->getAttribute("url"));
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$enc->height = clean($enclosure->getAttribute("height"));
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$enc->width = clean($enclosure->getAttribute("width"));
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array_push($encs, $enc);
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}
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return $encs;
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}
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function count_children($node) {
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return $node->getElementsByTagName("*")->length;
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}
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function subtree_or_text($node) {
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if ($this->count_children($node) == 0) {
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return $node->nodeValue;
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} else {
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return $node->c14n();
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}
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}
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}
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147
classes/feeditem/rss.php
Executable file
147
classes/feeditem/rss.php
Executable file
@ -0,0 +1,147 @@
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<?php
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class FeedItem_RSS extends FeedItem_Common {
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function get_id() {
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$id = $this->elem->getElementsByTagName("guid")->item(0);
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if ($id) {
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return clean($id->nodeValue);
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} else {
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return clean($this->get_link());
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}
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}
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function get_date() {
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$pubDate = $this->elem->getElementsByTagName("pubDate")->item(0);
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if ($pubDate) {
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return strtotime($pubDate->nodeValue);
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}
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$date = $this->xpath->query("dc:date", $this->elem)->item(0);
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if ($date) {
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return strtotime($date->nodeValue);
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}
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}
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function get_link() {
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$links = $this->xpath->query("atom:link", $this->elem);
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foreach ($links as $link) {
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if ($link && $link->hasAttribute("href") &&
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(!$link->hasAttribute("rel")
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|| $link->getAttribute("rel") == "alternate"
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|| $link->getAttribute("rel") == "standout")) {
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return clean(trim($link->getAttribute("href")));
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}
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}
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$link = $this->elem->getElementsByTagName("guid")->item(0);
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if ($link && $link->hasAttributes() && $link->getAttribute("isPermaLink") == "true") {
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return clean(trim($link->nodeValue));
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}
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$link = $this->elem->getElementsByTagName("link")->item(0);
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if ($link) {
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return clean(trim($link->nodeValue));
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}
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}
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function get_title() {
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$title = $this->xpath->query("title", $this->elem)->item(0);
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if ($title) {
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return clean(trim($title->nodeValue));
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}
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// if the document has a default namespace then querying for
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// title would fail because of reasons so let's try the old way
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$title = $this->elem->getElementsByTagName("title")->item(0);
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if ($title) {
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return clean(trim($title->nodeValue));
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}
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}
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function get_content() {
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$contentA = $this->xpath->query("content:encoded", $this->elem)->item(0);
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$contentB = $this->elem->getElementsByTagName("description")->item(0);
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if ($contentA && !$contentB) {
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return $this->subtree_or_text($contentA);
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}
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if ($contentB && !$contentA) {
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return $this->subtree_or_text($contentB);
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}
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if ($contentA && $contentB) {
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$resultA = $this->subtree_or_text($contentA);
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$resultB = $this->subtree_or_text($contentB);
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return mb_strlen($resultA) > mb_strlen($resultB) ? $resultA : $resultB;
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}
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}
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function get_description() {
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$summary = $this->elem->getElementsByTagName("description")->item(0);
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if ($summary) {
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return $summary->nodeValue;
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}
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}
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function get_categories() {
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$categories = $this->elem->getElementsByTagName("category");
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$cats = array();
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foreach ($categories as $cat) {
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array_push($cats, trim($cat->nodeValue));
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}
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$categories = $this->xpath->query("dc:subject", $this->elem);
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foreach ($categories as $cat) {
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array_push($cats, clean(trim($cat->nodeValue)));
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}
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return $cats;
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}
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function get_enclosures() {
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$enclosures = $this->elem->getElementsByTagName("enclosure");
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$encs = array();
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foreach ($enclosures as $enclosure) {
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$enc = new FeedEnclosure();
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$enc->type = clean($enclosure->getAttribute("type"));
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$enc->link = clean($enclosure->getAttribute("url"));
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$enc->length = clean($enclosure->getAttribute("length"));
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$enc->height = clean($enclosure->getAttribute("height"));
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$enc->width = clean($enclosure->getAttribute("width"));
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array_push($encs, $enc);
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}
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$encs = array_merge($encs, parent::get_enclosures());
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return $encs;
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}
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function get_language() {
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$languages = $this->doc->getElementsByTagName('language');
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if (count($languages) == 0) {
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return "";
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}
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return clean($languages[0]->textContent);
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}
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}
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