plugin updates

wp/wp-content/plugins/wp-media-folder/class/import/parsers/class-wxr-parser.php

@@ -0,0 +1,52 @@
+<?php
+/**
+ * WordPress eXtended RSS file parser implementations
+ *
+ * @package WordPress
+ * @subpackage Importer
+ */
+
+/**
+ * WordPress Importer class for managing parsing of WXR files.
+ */
+class WXR_Parser
+{
+    function parse($file)
+    {
+        // Attempt to use proper XML parsers first
+        if (extension_loaded('simplexml')) {
+            $parser = new WXR_Parser_SimpleXML;
+            $result = $parser->parse($file);
+
+            // If SimpleXML succeeds or this is an invalid WXR file then return the results
+            if (!is_wp_error($result) || 'SimpleXML_parse_error' != $result->get_error_code())
+                return $result;
+        } else if (extension_loaded('xml')) {
+            $parser = new WXR_Parser_XML;
+            $result = $parser->parse($file);
+
+            // If XMLParser succeeds or this is an invalid WXR file then return the results
+            if (!is_wp_error($result) || 'XML_parse_error' != $result->get_error_code())
+                return $result;
+        }
+
+        // We have a malformed XML file, so display the error and fallthrough to regex
+        if (isset($result) && defined('IMPORT_DEBUG') && IMPORT_DEBUG) {
+            echo '<pre>';
+            if ('SimpleXML_parse_error' == $result->get_error_code()) {
+                foreach ($result->get_error_data() as $error)
+                    echo $error->line . ':' . $error->column . ' ' . esc_html($error->message) . "\n";
+            } else if ('XML_parse_error' == $result->get_error_code()) {
+                $error = $result->get_error_data();
+                echo $error[0] . ':' . $error[1] . ' ' . esc_html($error[2]);
+            }
+            echo '</pre>';
+            echo '<p><strong>' . __('There was an error when reading this WXR file', 'wpmf') . '</strong><br />';
+            echo __('Details are shown above. The importer will now try again with a different parser...', 'wpmf') . '</p>';
+        }
+
+        // use regular expressions if nothing else available or this is bad XML
+        $parser = new WXR_Parser_Regex;
+        return $parser->parse($file);
+    }
+}