Current Path : C:/xampp/htdocs/moodle/backup/cc/cc_lib/ |
Current File : C:/xampp/htdocs/moodle/backup/cc/cc_lib/cc_resources.php |
<?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 backup-convert * @subpackage cc-library * @copyright 2011 Darko Miletic <dmiletic@moodlerooms.com> * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later */ require_once('cc_interfaces.php'); require_once('xmlbase.php'); require_once('gral_lib/pathutils.php'); require_once('gral_lib/ccdependencyparser.php'); require_once('cc_version_base.php'); require_once('cc_version1.php'); require_once('cc_manifest.php'); /** * Common Cartridge Version * */ class cc_version{ const v1 = 1; const v11 = 11; } class cc1_resource_type { const webcontent = 'webcontent'; const questionbank = 'imsqti_xmlv1p2/imscc_xmlv1p0/question-bank'; const assessment = 'imsqti_xmlv1p2/imscc_xmlv1p0/assessment'; const associatedcontent = 'associatedcontent/imscc_xmlv1p0/learning-application-resource'; const discussiontopic = 'imsdt_xmlv1p0'; const weblink = 'imswl_xmlv1p0'; public static $checker = array(self::webcontent, self::assessment, self::associatedcontent, self::discussiontopic, self::questionbank, self::weblink); } class cc11_resource_type { const webcontent = 'webcontent'; const questionbank = 'imsqti_xmlv1p2/imscc_xmlv1p1/question-bank'; const assessment = 'imsqti_xmlv1p2/imscc_xmlv1p1/assessment'; const associatedcontent = 'associatedcontent/imscc_xmlv1p1/learning-application-resource'; const discussiontopic = 'imsdt_xmlv1p1'; const weblink = 'imswl_xmlv1p1'; const basiclti = 'imsbasiclti_xmlv1p0'; public static $checker = array(self::webcontent, self::assessment, self::associatedcontent, self::discussiontopic, self::questionbank, self::weblink, self::basiclti); } /** * Resource Class * */ class cc_resource implements cc_i_resource { public $identifier = null; public $type = null; public $dependency = array(); public $identifierref = null; public $href = null; public $base = null; public $persiststate = null; public $metadata = array(); public $filename = null; public $files = array(); public $isempty = null; public $manifestroot = null; public $folder = null; public $instructoronly = false; private $throwonerror = true; public function __construct($manifest, $file, $folder='', $throwonerror = true) { $this->throwonerror = $throwonerror; if (is_string($manifest)) { $this->folder = $folder; $this->process_resource($manifest, $file, $folder); $this->manifestroot = $manifest; } else if (is_object($manifest)) { $this->import_resource($file, $manifest); } } /** * Add resource * * @param string $fname * @param string $location */ public function add_resource ($fname, $location ='') { $this->process_resource($fname, $location, null); } /** * Import a resource * * @param DOMElement $node * @param cc_i_manifest $doc */ public function import_resource(DOMElement &$node, cc_i_manifest &$doc) { $searchstr = "//imscc:manifest[@identifier='".$doc->manifestID(). "']/imscc:resources/imscc:resource"; $this->identifier = $this->get_attr_value($node, "identifier"); $this->type = $this->get_attr_value($node, "type"); $this->href = $this->get_attr_value($node, "href"); $this->base = $this->get_attr_value($node, "base"); $this->persiststate = null; $nodo = $doc->nodeList($searchstr."[@identifier='". $this->identifier."']/metadata/@href"); $this->metadata = $nodo->nodeValue; $this->filename = $this->href; $nlist = $doc->nodeList($searchstr."[@identifier='". $this->identifier."']/imscc:file/@href"); $this->files = array(); foreach ($nlist as $file) { $this->files[] = $file->nodeValue; } $nlist = $doc->nodeList($searchstr."[@identifier='". $this->identifier."']/imscc:dependency/@identifierref"); $this->dependency = array(); foreach ($nlist as $dependency) { $this->dependency[] = $dependency->nodeValue; } $this->isempty = false; } /** * Get a attribute value * * @param DOMElement $nod * @param string $name * @param string $ns * @return string */ public function get_attr_value(&$nod, $name, $ns=null) { if (is_null($ns)) { return ($nod->hasAttribute($name) ? $nod->getAttribute($name) : null); } return ($nod->hasAttributeNS($ns, $name) ? $nod->getAttributeNS($ns, $name) : null); } /** * Process a resource * * @param string $manifestroot * @param string $fname * @param string $folder */ public function process_resource($manifestroot, &$fname, $folder) { $file = empty($folder) ? $manifestroot.'/'.$fname : $manifestroot.'/'.$folder.'/'.$fname; if (!file_exists($file) && $this->throwonerror) { throw new Exception('The file doesnt exist!'); } GetDepFiles($manifestroot, $fname, $this->folder, $this->files); array_unshift($this->files, $folder.$fname); $this->init_empty_new(); $this->href = $folder.$fname; $this->identifierref = $folder.$fname; $this->filename = $fname; $this->isempty = false; $this->folder = $folder; } public function adjust_path($mroot, $fname) { $result = null; if (file_exists($fname->filename)) { $result = pathDiff($fname->filename, $mroot); } else if (file_exists($mroot.$fname->filename) || file_exists($mroot.DIRECTORY_SEPARATOR.$fname->filename)) { $result = $fname->filename; toUrlPath($result); $result = trim($result, "/"); } return $result; } public function init_clean() { $this->identifier = null; $this->type = null; $this->href = null; $this->base = null; $this->metadata = array(); $this->dependency = array(); $this->identifierref = null; $this->persiststate = null; $this->filename = ''; $this->files = array(); $this->isempty = true; } public function init_empty_new() { $this->identifier = cc_helpers::uuidgen('I_', '_R'); $this->type = null; $this->href = null; $this->persiststate = null; $this->filename = null; $this->isempty = false; $this->identifierref = null; } public function get_manifestroot() { return $this->manifestroot; } }