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-rw-r--r--engine/classes/XmlElement.php112
-rw-r--r--engine/lib/xml.php38
2 files changed, 103 insertions, 47 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;
+ }
};
diff --git a/engine/lib/xml.php b/engine/lib/xml.php
index 813bc4ee0..4f1ae76a9 100644
--- a/engine/lib/xml.php
+++ b/engine/lib/xml.php
@@ -101,47 +101,11 @@ function serialise_array_to_xml(array $data, $n = 0) {
/**
* Parse an XML file into an object.
- * Based on code from http://de.php.net/manual/en/function.xml-parse-into-struct.php by
- * efredricksen at gmail dot com
*
* @param string $xml The XML
*
* @return object
*/
function xml_to_object($xml) {
- $parser = xml_parser_create();
-
- // Parse $xml into a structure
- xml_parser_set_option($parser, XML_OPTION_SKIP_WHITE, 1);
- xml_parser_set_option($parser, XML_OPTION_CASE_FOLDING, 0);
- xml_parse_into_struct($parser, $xml, $tags);
-
- xml_parser_free($parser);
-
- $elements = array();
- $stack = array();
-
- foreach ($tags as $tag) {
- $index = count($elements);
-
- if ($tag['type'] == "complete" || $tag['type'] == "open") {
- $elements[$index] = new XmlElement;
- $elements[$index]->name = $tag['tag'];
- $elements[$index]->attributes = elgg_extract('attributes', $tag, '');
- $elements[$index]->content = elgg_extract('value', $tag, '');
-
- if ($tag['type'] == "open") {
- $elements[$index]->children = array();
- $stack[count($stack)] = &$elements;
- $elements = &$elements[$index]->children;
- }
- }
-
- if ($tag['type'] == "close") {
- $elements = &$stack[count($stack) - 1];
- unset($stack[count($stack) - 1]);
- }
- }
-
- return $elements[0];
+ return new XmlElement($xml);
}