From b4d1690097946bdf89dc88f218e7790126f4fd3b Mon Sep 17 00:00:00 2001
From: Andrew Dolgov <fox@madoka.volgo-balt.ru>
Date: Wed, 1 May 2013 21:06:48 +0400
Subject: [PATCH] move common methods to feeditem_common

---
 classes/feeditem.php        |  2 +-
 classes/feeditem/atom.php   | 44 +---------------------------------
 classes/feeditem/common.php | 48 +++++++++++++++++++++++++++++++++++++
 classes/feeditem/rss.php    | 43 +--------------------------------
 4 files changed, 51 insertions(+), 86 deletions(-)
 create mode 100644 classes/feeditem/common.php

diff --git a/classes/feeditem.php b/classes/feeditem.php
index cc39fcee..e64a13fd 100644
--- a/classes/feeditem.php
+++ b/classes/feeditem.php
@@ -1,5 +1,5 @@
 <?php
-class FeedItem {
+abstract class FeedItem {
 	abstract function get_id();
 	abstract function get_date();
 	abstract function get_link();
diff --git a/classes/feeditem/atom.php b/classes/feeditem/atom.php
index 1a9db902..df1c31d9 100644
--- a/classes/feeditem/atom.php
+++ b/classes/feeditem/atom.php
@@ -1,13 +1,5 @@
 <?php
-class FeedItem_Atom {
-	private $elem;
-	private $xpath;
-
-	function __construct($elem, $doc, $xpath) {
-		$this->elem = $elem;
-		$this->xpath = $xpath;
-	}
-
+class FeedItem_Atom extends FeedItem_Common {
 	function get_id() {
 		$id = $this->elem->getElementsByTagName("id")->item(0);
 
@@ -60,19 +52,6 @@ class FeedItem_Atom {
 		}
 	}
 
-	// todo
-	function get_comments_url() {
-
-	}
-
-	function get_comments_count() {
-		$comments = $this->xpath->query("slash:comments", $this->elem)->item(0);
-
-		if ($comments) {
-			return $comments->nodeValue;
-		}
-	}
-
 	function get_categories() {
 		$categories = $this->elem->getElementsByTagName("category");
 		$cats = array();
@@ -125,26 +104,5 @@ class FeedItem_Atom {
 		return $encs;
 	}
 
-	function get_author() {
-		$author = $this->elem->getElementsByTagName("author")->item(0);
-
-		if ($author) {
-			$name = $author->getElementsByTagName("name")->item(0);
-
-			if ($name) return $name->nodeValue;
-
-			$email = $author->getElementsByTagName("email")->item(0);
-
-			if ($email) return $email->nodeValue;
-
-		}
-
-		$author = $this->xpath->query("dc:creator", $this->elem)->item(0);
-
-		if ($author) {
-			return $author->nodeValue;
-		}
-
-	}
 }
 ?>
diff --git a/classes/feeditem/common.php b/classes/feeditem/common.php
new file mode 100644
index 00000000..fca9433a
--- /dev/null
+++ b/classes/feeditem/common.php
@@ -0,0 +1,48 @@
+<?php
+abstract class FeedItem_Common extends FeedItem {
+	protected $elem;
+	protected $xpath;
+	protected $doc;
+
+	function __construct($elem, $doc, $xpath) {
+		$this->elem = $elem;
+		$this->xpath = $xpath;
+		$this->doc = $doc;
+	}
+
+	function get_author() {
+		$author = $this->elem->getElementsByTagName("author")->item(0);
+
+		if ($author) {
+			$name = $author->getElementsByTagName("name")->item(0);
+
+			if ($name) return $name->nodeValue;
+
+			$email = $author->getElementsByTagName("email")->item(0);
+
+			if ($email) return $email->nodeValue;
+		}
+
+		$author = $this->xpath->query("dc:creator", $this->elem)->item(0);
+
+		if ($author) {
+			return $author->nodeValue;
+		}
+	}
+
+	// todo
+	function get_comments_url() {
+
+	}
+
+	function get_comments_count() {
+		$comments = $this->xpath->query("slash:comments", $this->elem)->item(0);
+
+		if ($comments) {
+			return $comments->nodeValue;
+		}
+	}
+
+
+}
+?>
diff --git a/classes/feeditem/rss.php b/classes/feeditem/rss.php
index 9e54a9c0..29c8cb6b 100644
--- a/classes/feeditem/rss.php
+++ b/classes/feeditem/rss.php
@@ -1,13 +1,5 @@
 <?php
-class FeedItem_RSS {
-	private $elem;
-	private $xpath;
-
-	function __construct($elem, $doc, $xpath) {
-		$this->elem = $elem;
-		$this->xpath = $xpath;
-	}
-
+class FeedItem_RSS extends FeedItem_Common {
 	function get_id() {
 		$id = $this->elem->getElementsByTagName("guid")->item(0);
 
@@ -58,19 +50,6 @@ class FeedItem_RSS {
 		}
 	}
 
-	// todo
-	function get_comments_url() {
-
-	}
-
-	function get_comments_count() {
-		$comments = $this->xpath->query("slash:comments", $this->elem)->item(0);
-
-		if ($comments) {
-			return $comments->nodeValue;
-		}
-	}
-
 	function get_categories() {
 		$categories = $this->elem->getElementsByTagName("category");
 		$cats = array();
@@ -118,25 +97,5 @@ class FeedItem_RSS {
 		return $encs;
 	}
 
-	function get_author() {
-		$author = $this->elem->getElementsByTagName("author")->item(0);
-
-		if ($author) {
-			$name = $author->getElementsByTagName("name")->item(0);
-
-			if ($name) return $name->nodeValue;
-
-			$email = $author->getElementsByTagName("email")->item(0);
-
-			if ($email) return $email->nodeValue;
-		}
-
-		$author = $this->xpath->query("dc:creator", $this->elem)->item(0);
-
-		if ($author) {
-			return $author->nodeValue;
-		}
-
-	}
 }
 ?>
-- 
2.39.5