Automated build for v0.01

classes/feeditem/atom.php

@@ -0,0 +1,160 @@
+<?php
+class FeedItem_Atom extends FeedItem_Common {
+	const NS_XML = "http://www.w3.org/XML/1998/namespace";
+
+	function get_id() {
+		$id = $this->elem->getElementsByTagName("id")->item(0);
+
+		if ($id) {
+			return $id->nodeValue;
+		} else {
+			return clean($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($base, clean(trim($link->getAttribute("href"))));
+				else
+					return clean(trim($link->getAttribute("href")));
+
+			}
+		}
+	}
+
+	function get_title() {
+		$title = $this->elem->getElementsByTagName("title")->item(0);
+
+		if ($title) {
+			return clean(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, clean(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();
+
+					$enc->type = clean($link->getAttribute("type"));
+					$enc->link = clean($link->getAttribute("href"));
+					$enc->length = clean($link->getAttribute("length"));
+
+					array_push($encs, $enc);
+				}
+			}
+		}
+
+		$encs = array_merge($encs, parent::get_enclosures());
+
+		return $encs;
+	}
+
+	function get_language() {
+		$lang = $this->elem->getAttributeNS(self::NS_XML, "lang");
+
+		if (!empty($lang)) {
+			return clean($lang);
+		} else {
+			// Fall back to the language declared on the feed, if any.
+			foreach ($this->doc->childNodes as $child) {
+				if (method_exists($child, "getAttributeNS")) {
+					return clean($child->getAttributeNS(self::NS_XML, "lang"));
+				}
+			}
+		}
+	}
+}