175 lines
4 KiB
PHP
175 lines
4 KiB
PHP
<?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 $id->nodeValue;
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} else {
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return $this->get_link();
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}
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}
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function get_date() {
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$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 $link->getAttribute("href");
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}
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}
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$link = $this->elem->getElementsByTagName("guid")->item(0);
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if ($link && $link->hasAttributes() && $link->getAttribute("isPermaLink") == "true") {
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return $link->nodeValue;
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}
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$link = $this->elem->getElementsByTagName("link")->item(0);
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if ($link) {
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return $link->nodeValue;
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}
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}
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function get_title() {
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$title = $this->elem->getElementsByTagName("title")->item(0);
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if ($title) {
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return $title->nodeValue;
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}
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}
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function get_content() {
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$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 $contentA->nodeValue;
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}
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if ($contentB && !$contentA) {
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return $contentB->nodeValue;
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}
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if ($contentA && $contentB) {
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return mb_strlen($contentA->nodeValue) > mb_strlen($contentB->nodeValue) ?
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$contentA->nodeValue : $contentB->nodeValue;
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}
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}
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function get_description() {
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$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, $cat->nodeValue);
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}
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$categories = $this->xpath->query("dc:subject", $this->elem);
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foreach ($categories as $cat) {
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array_push($cats, $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 = $enclosure->getAttribute("type");
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$enc->link = $enclosure->getAttribute("url");
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$enc->length = $enclosure->getAttribute("length");
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array_push($encs, $enc);
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}
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$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 = $enclosure->getAttribute("type");
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$enc->link = $enclosure->getAttribute("url");
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$enc->length = $enclosure->getAttribute("length");
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$desc = $this->xpath->query("media:description", $enclosure)->item(0);
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if ($desc) $enc->title = strip_tags($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 = $content->getAttribute("type");
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$enc->link = $content->getAttribute("url");
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$enc->length = $content->getAttribute("length");
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$desc = $this->xpath->query("media:description", $content)->item(0);
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if ($desc) {
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$enc->title = strip_tags($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) $enc->title = strip_tags($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 = $enclosure->getAttribute("url");
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array_push($encs, $enc);
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}
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return $encs;
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}
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}
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?>
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