Initial commit on HEAD of all the XMLDB stuff.

2006-08-15 09:14:31 +00:00
parent f11bf81701
commit 8165877a17
12 changed files with 4181 additions and 0 deletions
@@ -0,0 +1,112 @@
+<?php // $Id$
+
+///////////////////////////////////////////////////////////////////////////
+//                                                                       //
+// NOTICE OF COPYRIGHT                                                   //
+//                                                                       //
+// Moodle - Modular Object-Oriented Dynamic Learning Environment         //
+//          http://moodle.com                                            //
+//                                                                       //
+// Copyright (C) 2001-3001 Martin Dougiamas        http://dougiamas.com  //
+//           (C) 2001-3001 Eloy Lafuente (stronk7) http://contiento.com  //
+//                                                                       //
+// This program is free software; you can redistribute it and/or modify  //
+// it under the terms of the GNU General Public License as published by  //
+// the Free Software Foundation; either version 2 of the License, or     //
+// (at your option) any later version.                                   //
+//                                                                       //
+// This program is distributed in the hope that it will be useful,       //
+// but WITHOUT ANY WARRANTY; without even the implied warranty of        //
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         //
+// GNU General Public License for more details:                          //
+//                                                                       //
+//          http://www.gnu.org/copyleft/gpl.html                         //
+//                                                                       //
+///////////////////////////////////////////////////////////////////////////
+
+/// This class represents an entire XMLDB file
+
+class XMLDBFile extends XMLDBObject {
+
+    var $path;
+    var $xmldb_structure;
+
+    /**
+     * Constructor of the XMLDBFile
+     */
+    function XMLDBFile ($path) {
+        parent::XMLDBObject($path);
+        $this->path = $path;
+        $this->xmldb_structure = NULL;
+    }
+
+    /**
+     * Determine if the XML file exists
+     */
+    function fileExists() {
+        if (file_exists($this->path) && is_readable($this->path)) {
+            return true;
+        }
+        return false;
+    }
+
+    /**
+     * Determine if the XML is writeable
+     */
+    function fileWriteable() {
+        if (is_writeable(dirname($this->path))) {
+            return true;
+        }
+        return false;
+    }
+
+    function &getStructure() {
+        return $this->xmldb_structure;
+    }
+
+    /**
+     * Load and the XMLDB structure from file
+     */
+    function loadXMLStructure() {
+        if ($this->fileExists()) {
+        /// File exists, so let's process it
+        /// Load everything to a big array
+            $xmlarr = xmlize(file_get_contents($this->path));
+        /// Convert array to xmldb structure
+            $this->xmldb_structure = $this->arr2XMLDBStructure($xmlarr);
+        /// Analize results
+            if ($this->xmldb_structure->isLoaded()) {
+                $this->loaded = true;
+                return true;
+            } else {
+                return false;
+            }
+        }
+        return true;
+    }
+
+    /**
+     * This function takes an xmlized array and put it into one XMLDBStructure
+     */
+    function arr2XMLDBStructure ($xmlarr) {
+        $structure = new XMLDBStructure($this->path);
+        $structure->arr2XMLDBStructure($xmlarr);
+        return $structure;
+    }
+
+    /** 
+     * This function saves the whole XMLDBStructure to its file
+     */
+    function saveXMLFile() {
+
+        $result = true;
+
+        $structure =& $this->getStructure();
+
+        $result = file_put_contents($this->path, $structure->xmlOutput());
+
+        return $result;
+    }
+}
+
+?>