Fixes 3468 - replaces xml_to_object function with MIT licensed implementation.

1 files changed, 102 insertions, 10 deletions

diff --git a/engine/classes/XmlElement.php b/engine/classes/XmlElement.php
index 280bba664..eb7987731 100644
--- a/engine/classes/XmlElement.php
+++ b/engine/classes/XmlElement.php
@@ -6,15 +6,107 @@
  * @subpackage XML
  */
 class XmlElement {
-	/** The name of the element */
-	public $name;
+	/**
+	* @var SimpleXMLElement
+	 */
+	private $_element;
+	
+	/**
+	 * Creates XmlElement from string or existing SimpleXMLElement
+	 * @param string|SimpleXMLElement $xml
+	 */
+	public function __construct($xml) {
+		if ($xml instanceof SimpleXMLElement) {
+			$this->_element = $xml;
+		} else {
+			$this->_element = new SimpleXMLElement($xml);
+		}
+	}
+	
+	/** 
+	 * @return string The name of the element 
+	 */
+	public function getName() {
+		return $this->_element->getName();
+	}
+	
+	/** 
+	 * @return array:string The attributes 
+	 */
+	public function getAttributes() {
+		//include namespace declarations as attributes
+		$xmlnsRaw = $this->_element->getNamespaces();
+		$xmlns = array();
+		foreach ($xmlnsRaw as $key => $val) {
+			$label = 'xmlns'.($key?":$key":$key);
+			$xmlns[$label] = $val;
+		}
+		//get attributes and merge with namespaces
+		$attrRaw = $this->_element->attributes();
+		$attr = array();
+		foreach ($attrRaw as $key => $val) {
+			$attr[$key] = $val;
+		}
+		$attr = array_merge((array)$xmlns, (array)$attr);
+		$result = array();
+		foreach ($attr as $key => $val) {
+			$result[$key] = (string)$val;
+		}
+		return $result;
+	}
+	
+	/** 
+	 * @return string CData 
+	 */
+	public function getContent() {
+		return (string)$this->_element;
+	}
+	
+	/** 
+	 * @return array:XmlElement Child elements 
+	 */
+	public function getChildren() {
+		$children = $this->_element->children();
+		$result = array();
+		foreach ($children as $val) {
+			$result[] = new XmlElement($val);
+		}
+		return $result;
+	}
 
-	/** The attributes */
-	public $attributes;
-
-	/** CData */
-	public $content;
-
-	/** Child elements */
-	public $children;
+	function __get($name) {
+		switch ($name) {
+			case 'name':
+				return $this->getName();
+				break;
+			case 'attributes':
+				return $this->getAttributes();
+				break;
+			case 'content':
+				return $this->getContent();
+				break;
+			case 'children':
+				return $this->getChildren();
+				break;		
+		}
+		return null;
+	}
+	
+	function __isset($name) {
+		switch ($name) {
+			case 'name':
+				return $this->getName()!==null;
+				break;
+			case 'attributes':
+				return $this->getAttributes()!==null;
+				break;
+			case 'content':
+				return $this->getContent()!==null;
+				break;
+			case 'children':
+				return $this->getChildren()!==null;
+				break;
+		}
+		return false;
+	}
 };