Import from DCARF SVN

include/pear/HTML/AJAX/Serializer/XML.php

@@ -0,0 +1,88 @@
+<?php
+// $Id: XML.php 583 2007-03-05 22:13:30Z jeichorn $
+/**
+ * XML Serializer - does NOT need a js serializer, use responseXML property in XmlHttpRequest
+ *
+ * @category   HTML
+ * @package    AJAX
+ * @author     Elizabeth Smith <auroraeosrose@gmail.com>
+ * @copyright  2005-2006 Elizabeth Smith
+ * @license    http://www.opensource.org/licenses/lgpl-license.php  LGPL
+ * @version    Release: 0.5.2
+ * @link       http://pear.php.net/package/PackageName
+ */
+class HTML_AJAX_Serializer_XML
+{
+
+    /**
+     * Serializes a domdocument into an xml string
+     *
+     * Uses dom or domxml to dump a string from a DomDocument instance
+     * remember dom is always the default and this will die horribly without
+     * a domdocument instance
+     *
+     * @access public
+     * @param  object $input instanceof DomDocument
+     * @return string xml string of DomDocument
+     */
+    function serialize($input) 
+    {
+        if(empty($input))
+        {
+            return $input;
+        }
+        // we check for the dom extension
+        elseif (extension_loaded('Dom'))
+        {
+            return $input->saveXml();
+        }
+        // then will check for domxml
+        elseif (extension_loaded('Domxml')) 
+	{
+            return $input->dump_mem();
+        }
+	// will throw an error
+	else {
+		$error = new HTML_AJAX_Serializer_Error();	
+		$this->serializerNewType = 'Error';
+		return $error->serialize(array('errStr'=>"Missing PHP Dom extension direct XML won't work"));
+	}
+    }
+
+    /**
+     * Unserializes the xml string sent from the document
+     *
+     * Uses dom or domxml to pump a string into a DomDocument instance
+     * remember dom is always the default and this will die horribly without
+     * one or the other, and will throw warnings if you have bad xml
+     *
+     * @access public
+     * @param  string $input   The input to serialize.
+     * @return object instanceofDomDocument
+     */
+    function unserialize($input) 
+    {
+        if(empty($input))
+        {
+            return $input;
+        }
+        // we check for the dom extension
+        elseif (extension_loaded('Dom'))
+        {
+            $doc = new DOMDocument();
+            $doc->loadXML($input);
+            return $doc;
+        }
+        // then we check for the domxml extensions
+        elseif (extension_loaded('Domxml'))
+	{
+            return domxml_open_mem($input);
+	}
+	// we give up and just return the xml directly
+        else
+        {
+		return $input;
+        }
+    }
+}
+?>