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-rw-r--r--engine/classes/ElggXMLElement.php115
1 files changed, 115 insertions, 0 deletions
diff --git a/engine/classes/ElggXMLElement.php b/engine/classes/ElggXMLElement.php
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+++ b/engine/classes/ElggXMLElement.php
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+<?php
+/**
+ * A parser for XML that uses SimpleXMLElement
+ *
+ * @package Elgg.Core
+ * @subpackage XML
+ */
+class ElggXMLElement {
+ /**
+ * @var SimpleXMLElement
+ */
+ private $_element;
+
+ /**
+ * Creates an ElggXMLParser from a string or existing SimpleXMLElement
+ *
+ * @param string|SimpleXMLElement $xml The XML to parse
+ */
+ public function __construct($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:ElggXMLElement Child elements
+ */
+ public function getChildren() {
+ $children = $this->_element->children();
+ $result = array();
+ foreach ($children as $val) {
+ $result[] = new ElggXMLElement($val);
+ }
+
+ return $result;
+ }
+
+ function __get($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;
+ }
+
+} \ No newline at end of file