Proyectos de Subversion Moodle

<?php

// This file is part of Moodle - http://moodle.org/

//

// Moodle 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 3 of the License, or

// (at your option) any later version.

//

// Moodle 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.

//

// You should have received a copy of the GNU General Public License

// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.

/**

 * @package    tool_xmldb

 * @copyright  2003 onwards Eloy Lafuente (stronk7) {@link http://stronk7.com}

 * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later

 */

/**

 * This class will load one XML file to memory if necessary

 *

 * @package    tool_xmldb

 * @copyright  2003 onwards Eloy Lafuente (stronk7) {@link http://stronk7.com}

 * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later

 */

class load_xml_file extends XMLDBAction {

    /**

     * Init method, every subclass will have its own

     */

    function init() {

        parent::init();

        // Set own core attributes

        $this->can_subaction = ACTION_NONE;

        //$this->can_subaction = ACTION_HAVE_SUBACTIONS;

        // Get needed strings

        $this->loadStrings(array(

            // 'key' => 'module',

        ));

    }

    /**

     * Invoke method, every class will have its own

     * returns true/false on completion, setting both

     * errormsg and output as necessary

     */

    function invoke() {

        parent::invoke();

        $result = true;

        // Set own core attributes

        $this->does_generate = ACTION_NONE;

        //$this->does_generate = ACTION_GENERATE_HTML;

        // These are always here

        global $CFG, $XMLDB;

        // Do the job, setting $result as needed

        // Get the dir containing the file

        $dirpath = required_param('dir', PARAM_PATH);

        $dirpath = $CFG->dirroot . $dirpath;

        // Get the correct dir

        if (!empty($XMLDB->dbdirs)) {

            $dbdir = $XMLDB->dbdirs[$dirpath];

            if ($dbdir) {

                // Set some defaults

                $dbdir->xml_exists = false;

                $dbdir->xml_writeable = false;

                $dbdir->xml_loaded  = false;

                // Only if the directory exists

                if (!$dbdir->path_exists) {

                    return false;

                }

                $xmldb_file = new xmldb_file($dbdir->path . '/install.xml');

                // Set the XML DTD and schema

                $xmldb_file->setDTD($CFG->dirroot . '/lib/xmldb/xmldb.dtd');

                $xmldb_file->setSchema($CFG->dirroot . '/lib/xmldb/xmldb.xsd');

                // Set dbdir as necessary

                if ($xmldb_file->fileExists()) {

                    $dbdir->xml_exists = true;

                }

                if ($xmldb_file->fileWriteable()) {

                    $dbdir->xml_writeable = true;

                }

                // Load the XML contents to structure

                $loaded = $xmldb_file->loadXMLStructure();

                if ($loaded && $xmldb_file->isLoaded()) {

                    $dbdir->xml_loaded = true;

                    $dbdir->filemtime = filemtime($dbdir->path . '/install.xml');

                }

                $dbdir->xml_file = $xmldb_file;

            } else {

                $this->errormsg = 'Wrong directory (' . $dirpath . ')';

                $result = false;

            }

        } else {

            $this->errormsg = 'XMLDB structure not found';

            $result = false;

        }

        // Launch postaction if exists

        if ($this->getPostAction() && $result) {

            return $this->launch($this->getPostAction());

        }

        return $result;

    }

}