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- <?php
- class FeedItem_Atom extends FeedItem_Common {
- function get_id() {
- $id = $this->elem->getElementsByTagName("id")->item(0);
- if ($id) {
- return $id->nodeValue;
- } else {
- return $this->get_link();
- }
- }
- function get_date() {
- $updated = $this->elem->getElementsByTagName("updated")->item(0);
- if ($updated) {
- return strtotime($updated->nodeValue);
- }
- $published = $this->elem->getElementsByTagName("published")->item(0);
- if ($published) {
- return strtotime($published->nodeValue);
- }
- $date = $this->xpath->query("dc:date", $this->elem)->item(0);
- if ($date) {
- return strtotime($date->nodeValue);
- }
- }
- function get_link() {
- $links = $this->elem->getElementsByTagName("link");
- foreach ($links as $link) {
- if ($link && $link->hasAttribute("href") &&
- (!$link->hasAttribute("rel")
- || $link->getAttribute("rel") == "alternate"
- || $link->getAttribute("rel") == "standout")) {
- $base = $this->xpath->evaluate("string(ancestor-or-self::*[@xml:base][1]/@xml:base)", $link);
- if ($base)
- return rewrite_relative_url($base, trim($link->getAttribute("href")));
- else
- return trim($link->getAttribute("href"));
- }
- }
- }
- function get_title() {
- $title = $this->elem->getElementsByTagName("title")->item(0);
- if ($title) {
- return trim($title->nodeValue);
- }
- }
- function get_content() {
- $content = $this->elem->getElementsByTagName("content")->item(0);
- if ($content) {
- if ($content->hasAttribute('type')) {
- if ($content->getAttribute('type') == 'xhtml') {
- for ($i = 0; $i < $content->childNodes->length; $i++) {
- $child = $content->childNodes->item($i);
- if ($child->hasChildNodes()) {
- return $this->doc->saveHTML($child);
- }
- }
- }
- }
- return $this->subtree_or_text($content);
- }
- }
- function get_description() {
- $content = $this->elem->getElementsByTagName("summary")->item(0);
- if ($content) {
- if ($content->hasAttribute('type')) {
- if ($content->getAttribute('type') == 'xhtml') {
- for ($i = 0; $i < $content->childNodes->length; $i++) {
- $child = $content->childNodes->item($i);
- if ($child->hasChildNodes()) {
- return $this->doc->saveHTML($child);
- }
- }
- }
- }
- return $this->subtree_or_text($content);
- }
- }
- function get_categories() {
- $categories = $this->elem->getElementsByTagName("category");
- $cats = array();
- foreach ($categories as $cat) {
- if ($cat->hasAttribute("term"))
- array_push($cats, trim($cat->getAttribute("term")));
- }
- $categories = $this->xpath->query("dc:subject", $this->elem);
- foreach ($categories as $cat) {
- array_push($cats, trim($cat->nodeValue));
- }
- return $cats;
- }
- function get_enclosures() {
- $links = $this->elem->getElementsByTagName("link");
- $encs = array();
- foreach ($links as $link) {
- if ($link && $link->hasAttribute("href") && $link->hasAttribute("rel")) {
- if ($link->getAttribute("rel") == "enclosure") {
- $enc = new FeedEnclosure();
- $enc->type = $link->getAttribute("type");
- $enc->link = $link->getAttribute("href");
- $enc->length = $link->getAttribute("length");
- array_push($encs, $enc);
- }
- }
- }
- $enclosures = $this->xpath->query("media:content", $this->elem);
- foreach ($enclosures as $enclosure) {
- $enc = new FeedEnclosure();
- $enc->type = $enclosure->getAttribute("type");
- $enc->link = $enclosure->getAttribute("url");
- $enc->length = $enclosure->getAttribute("length");
- $enc->height = $enclosure->getAttribute("height");
- $enc->width = $enclosure->getAttribute("width");
- $desc = $this->xpath->query("media:description", $enclosure)->item(0);
- if ($desc) $enc->title = strip_tags($desc->nodeValue);
- array_push($encs, $enc);
- }
- $enclosures = $this->xpath->query("media:group", $this->elem);
- foreach ($enclosures as $enclosure) {
- $enc = new FeedEnclosure();
- $content = $this->xpath->query("media:content", $enclosure)->item(0);
- if ($content) {
- $enc->type = $content->getAttribute("type");
- $enc->link = $content->getAttribute("url");
- $enc->length = $content->getAttribute("length");
- $enc->height = $content->getAttribute("height");
- $enc->width = $content->getAttribute("width");
- $desc = $this->xpath->query("media:description", $content)->item(0);
- if ($desc) {
- $enc->title = strip_tags($desc->nodeValue);
- } else {
- $desc = $this->xpath->query("media:description", $enclosure)->item(0);
- if ($desc) $enc->title = strip_tags($desc->nodeValue);
- }
- array_push($encs, $enc);
- }
- }
- $enclosures = $this->xpath->query("media:thumbnail", $this->elem);
- foreach ($enclosures as $enclosure) {
- $enc = new FeedEnclosure();
- $enc->type = "image/generic";
- $enc->link = $enclosure->getAttribute("url");
- $enc->height = $enclosure->getAttribute("height");
- $enc->width = $enclosure->getAttribute("width");
- array_push($encs, $enc);
- }
- return $encs;
- }
- }
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