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efrain |
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<?php
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// This file is part of Moodle - http://moodle.org/
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//
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// Moodle is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// Moodle is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with Moodle. If not, see <http://www.gnu.org/licenses/>.
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/**
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* functions used by SCORM 1.2/2004 packages.
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*
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* @package mod_scorm
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* @copyright 1999 onwards Roberto Pinna
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* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
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*/
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function scorm_get_resources($blocks) {
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$resources = array();
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foreach ($blocks as $block) {
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if ($block['name'] == 'RESOURCES' && isset($block['children'])) {
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foreach ($block['children'] as $resource) {
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if ($resource['name'] == 'RESOURCE') {
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$resources[addslashes_js($resource['attrs']['IDENTIFIER'])] = $resource['attrs'];
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}
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}
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}
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}
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return $resources;
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}
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function scorm_get_manifest($blocks, $scoes) {
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global $OUTPUT;
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static $parents = array();
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static $resources;
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static $manifest;
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static $organization;
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$manifestresourcesnotfound = array();
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if (count($blocks) > 0) {
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foreach ($blocks as $block) {
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switch ($block['name']) {
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case 'METADATA':
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if (isset($block['children'])) {
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foreach ($block['children'] as $metadata) {
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if ($metadata['name'] == 'SCHEMAVERSION') {
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if (empty($scoes->version)) {
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$isversionset = (preg_match("/^(1\.2)$|^(CAM )?(1\.3)$/", $metadata['tagData'], $matches));
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if (isset($metadata['tagData']) && $isversionset) {
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$scoes->version = 'SCORM_'.$matches[count($matches) - 1];
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} else {
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$isversionset = (preg_match("/^2004 (3rd|4th) Edition$/", $metadata['tagData'], $matches));
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if (isset($metadata['tagData']) && $isversionset) {
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$scoes->version = 'SCORM_1.3';
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} else {
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$scoes->version = 'SCORM_1.2';
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}
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}
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}
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}
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}
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}
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break;
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case 'MANIFEST':
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$manifest = $block['attrs']['IDENTIFIER'];
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$organization = '';
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$resources = array();
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$resources = scorm_get_resources($block['children']);
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$scoes = scorm_get_manifest($block['children'], $scoes);
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if (empty($scoes->elements) || count($scoes->elements) <= 0) {
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foreach ($resources as $item => $resource) {
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if (!empty($resource['HREF'])) {
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$sco = new stdClass();
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$sco->identifier = $item;
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$sco->title = $item;
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$sco->parent = '/';
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$sco->launch = $resource['HREF'];
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$sco->scormtype = $resource['ADLCP:SCORMTYPE'];
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$scoes->elements[$manifest][$organization][$item] = $sco;
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}
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}
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}
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break;
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case 'ORGANIZATIONS':
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if (!isset($scoes->defaultorg) && isset($block['attrs']['DEFAULT'])) {
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$scoes->defaultorg = $block['attrs']['DEFAULT'];
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}
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if (!empty($block['children'])) {
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$scoes = scorm_get_manifest($block['children'], $scoes);
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}
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break;
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case 'ORGANIZATION':
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$identifier = $block['attrs']['IDENTIFIER'];
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$organization = '';
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$scoes->elements[$manifest][$organization][$identifier] = new stdClass();
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$scoes->elements[$manifest][$organization][$identifier]->identifier = $identifier;
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$scoes->elements[$manifest][$organization][$identifier]->parent = '/';
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$scoes->elements[$manifest][$organization][$identifier]->launch = '';
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$scoes->elements[$manifest][$organization][$identifier]->scormtype = '';
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$parents = array();
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$parent = new stdClass();
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$parent->identifier = $identifier;
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$parent->organization = $organization;
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array_push($parents, $parent);
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$organization = $identifier;
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if (!empty($block['children'])) {
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$scoes = scorm_get_manifest($block['children'], $scoes);
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}
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array_pop($parents);
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break;
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case 'ITEM':
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$parent = array_pop($parents);
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array_push($parents, $parent);
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$identifier = $block['attrs']['IDENTIFIER'];
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$scoes->elements[$manifest][$organization][$identifier] = new stdClass();
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$scoes->elements[$manifest][$organization][$identifier]->identifier = $identifier;
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$scoes->elements[$manifest][$organization][$identifier]->parent = $parent->identifier;
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if (!isset($block['attrs']['ISVISIBLE'])) {
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$block['attrs']['ISVISIBLE'] = 'true';
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}
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$scoes->elements[$manifest][$organization][$identifier]->isvisible = $block['attrs']['ISVISIBLE'];
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if (!isset($block['attrs']['PARAMETERS'])) {
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$block['attrs']['PARAMETERS'] = '';
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}
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$scoes->elements[$manifest][$organization][$identifier]->parameters = $block['attrs']['PARAMETERS'];
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if (!isset($block['attrs']['IDENTIFIERREF'])) {
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$scoes->elements[$manifest][$organization][$identifier]->launch = '';
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$scoes->elements[$manifest][$organization][$identifier]->scormtype = 'asset';
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} else {
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$idref = addslashes_js($block['attrs']['IDENTIFIERREF']);
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$base = '';
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if (isset($resources[$idref]['XML:BASE'])) {
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$base = $resources[$idref]['XML:BASE'];
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}
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if (!isset($resources[$idref])) {
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$manifestresourcesnotfound[] = $idref;
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$scoes->elements[$manifest][$organization][$identifier]->launch = '';
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} else {
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$scoes->elements[$manifest][$organization][$identifier]->launch = $base.$resources[$idref]['HREF'];
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if (empty($resources[$idref]['ADLCP:SCORMTYPE'])) {
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$resources[$idref]['ADLCP:SCORMTYPE'] = 'asset';
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}
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$scoes->elements[$manifest][$organization][$identifier]->scormtype = $resources[$idref]['ADLCP:SCORMTYPE'];
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}
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}
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$parent = new stdClass();
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$parent->identifier = $identifier;
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$parent->organization = $organization;
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array_push($parents, $parent);
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if (!empty($block['children'])) {
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$scoes = scorm_get_manifest($block['children'], $scoes);
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}
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array_pop($parents);
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break;
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case 'TITLE':
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$parent = array_pop($parents);
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array_push($parents, $parent);
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if (!isset($block['tagData'])) {
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$block['tagData'] = '';
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}
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$scoes->elements[$manifest][$parent->organization][$parent->identifier]->title = $block['tagData'];
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break;
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case 'ADLCP:PREREQUISITES':
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if ($block['attrs']['TYPE'] == 'aicc_script') {
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$parent = array_pop($parents);
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array_push($parents, $parent);
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if (!isset($block['tagData'])) {
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$block['tagData'] = '';
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}
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$scoes->elements[$manifest][$parent->organization][$parent->identifier]->prerequisites = $block['tagData'];
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}
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break;
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case 'ADLCP:MAXTIMEALLOWED':
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$parent = array_pop($parents);
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array_push($parents, $parent);
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if (!isset($block['tagData'])) {
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$block['tagData'] = '';
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}
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$scoes->elements[$manifest][$parent->organization][$parent->identifier]->maxtimeallowed = $block['tagData'];
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break;
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case 'ADLCP:TIMELIMITACTION':
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$parent = array_pop($parents);
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array_push($parents, $parent);
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if (!isset($block['tagData'])) {
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$block['tagData'] = '';
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}
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$scoes->elements[$manifest][$parent->organization][$parent->identifier]->timelimitaction = $block['tagData'];
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break;
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case 'ADLCP:DATAFROMLMS':
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$parent = array_pop($parents);
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array_push($parents, $parent);
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if (!isset($block['tagData'])) {
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$block['tagData'] = '';
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}
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$scoes->elements[$manifest][$parent->organization][$parent->identifier]->datafromlms = $block['tagData'];
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break;
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case 'ADLCP:MASTERYSCORE':
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$parent = array_pop($parents);
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array_push($parents, $parent);
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if (!isset($block['tagData'])) {
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$block['tagData'] = '';
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}
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$scoes->elements[$manifest][$parent->organization][$parent->identifier]->masteryscore = $block['tagData'];
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break;
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case 'ADLCP:COMPLETIONTHRESHOLD':
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$parent = array_pop($parents);
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array_push($parents, $parent);
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if (!isset($block['attrs']['MINPROGRESSMEASURE'])) {
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$block['attrs']['MINPROGRESSMEASURE'] = '1.0';
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}
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$scoes->elements[$manifest][$parent->organization][$parent->identifier]->threshold = $block['attrs']['MINPROGRESSMEASURE'];
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break;
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case 'ADLNAV:PRESENTATION':
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$parent = array_pop($parents);
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array_push($parents, $parent);
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if (!empty($block['children'])) {
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foreach ($block['children'] as $adlnav) {
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if ($adlnav['name'] == 'ADLNAV:NAVIGATIONINTERFACE') {
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foreach ($adlnav['children'] as $adlnavinterface) {
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if ($adlnavinterface['name'] == 'ADLNAV:HIDELMSUI') {
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if ($adlnavinterface['tagData'] == 'continue') {
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$scoes->elements[$manifest][$parent->organization][$parent->identifier]->hidecontinue = 1;
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}
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if ($adlnavinterface['tagData'] == 'previous') {
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$scoes->elements[$manifest][$parent->organization][$parent->identifier]->hideprevious = 1;
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}
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if ($adlnavinterface['tagData'] == 'exit') {
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$scoes->elements[$manifest][$parent->organization][$parent->identifier]->hideexit = 1;
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}
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if ($adlnavinterface['tagData'] == 'exitAll') {
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$scoes->elements[$manifest][$parent->organization][$parent->identifier]->hideexitall = 1;
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}
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if ($adlnavinterface['tagData'] == 'abandon') {
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$scoes->elements[$manifest][$parent->organization][$parent->identifier]->hideabandon = 1;
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}
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if ($adlnavinterface['tagData'] == 'abandonAll') {
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$scoes->elements[$manifest][$parent->organization][$parent->identifier]->hideabandonall = 1;
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}
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if ($adlnavinterface['tagData'] == 'suspendAll') {
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$scoes->elements[$manifest][$parent->organization][$parent->identifier]->hidesuspendall = 1;
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}
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}
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}
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}
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}
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}
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break;
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case 'IMSSS:SEQUENCING':
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$parent = array_pop($parents);
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array_push($parents, $parent);
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if (!empty($block['children'])) {
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foreach ($block['children'] as $sequencing) {
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if ($sequencing['name'] == 'IMSSS:CONTROLMODE') {
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if (isset($sequencing['attrs']['CHOICE'])) {
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$scoes->elements[$manifest][$parent->organization][$parent->identifier]->choice =
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$sequencing['attrs']['CHOICE'] == 'true' ? 1 : 0;
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}
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if (isset($sequencing['attrs']['CHOICEEXIT'])) {
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$scoes->elements[$manifest][$parent->organization][$parent->identifier]->choiceexit =
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$sequencing['attrs']['CHOICEEXIT'] == 'true' ? 1 : 0;
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}
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if (isset($sequencing['attrs']['FLOW'])) {
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$scoes->elements[$manifest][$parent->organization][$parent->identifier]->flow =
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$sequencing['attrs']['FLOW'] == 'true' ? 1 : 0;
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}
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if (isset($sequencing['attrs']['FORWARDONLY'])) {
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$scoes->elements[$manifest][$parent->organization][$parent->identifier]->forwardonly =
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$sequencing['attrs']['FORWARDONLY'] == 'true' ? 1 : 0;
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}
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if (isset($sequencing['attrs']['USECURRENTATTEMPTOBJECTINFO'])) {
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$scoes->elements[$manifest][$parent->organization][$parent->identifier]->usecurrentattemptobjectinfo =
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$sequencing['attrs']['USECURRENTATTEMPTOBJECTINFO'] == 'true' ? 1 : 0;
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}
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if (isset($sequencing['attrs']['USECURRENTATTEMPTPROGRESSINFO'])) {
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$scoes->elements[$manifest][$parent->organization][$parent->identifier]->usecurrentattemptprogressinfo =
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$sequencing['attrs']['USECURRENTATTEMPTPROGRESSINFO'] == 'true' ? 1 : 0;
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}
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}
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if ($sequencing['name'] == 'IMSSS:DELIVERYCONTROLS') {
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if (isset($sequencing['attrs']['TRACKED'])) {
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$scoes->elements[$manifest][$parent->organization][$parent->identifier]->tracked =
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$sequencing['attrs']['TRACKED'] == 'true' ? 1 : 0;
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}
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if (isset($sequencing['attrs']['COMPLETIONSETBYCONTENT'])) {
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$scoes->elements[$manifest][$parent->organization][$parent->identifier]->completionsetbycontent =
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$sequencing['attrs']['COMPLETIONSETBYCONTENT'] == 'true' ? 1 : 0;
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}
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if (isset($sequencing['attrs']['OBJECTIVESETBYCONTENT'])) {
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$scoes->elements[$manifest][$parent->organization][$parent->identifier]->objectivesetbycontent =
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$sequencing['attrs']['OBJECTIVESETBYCONTENT'] == 'true' ? 1 : 0;
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}
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}
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308 |
if ($sequencing['name'] == 'ADLSEQ:CONSTRAINEDCHOICECONSIDERATIONS') {
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if (isset($sequencing['attrs']['CONSTRAINCHOICE'])) {
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310 |
$scoes->elements[$manifest][$parent->organization][$parent->identifier]->constrainChoice =
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$sequencing['attrs']['CONSTRAINCHOICE'] == 'true' ? 1 : 0;
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}
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313 |
if (isset($sequencing['attrs']['PREVENTACTIVATION'])) {
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314 |
$scoes->elements[$manifest][$parent->organization][$parent->identifier]->preventactivation =
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$sequencing['attrs']['PREVENTACTIVATION'] == 'true' ? 1 : 0;
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}
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}
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318 |
if ($sequencing['name'] == 'IMSSS:OBJECTIVES') {
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319 |
$objectives = array();
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320 |
foreach ($sequencing['children'] as $objective) {
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321 |
$objectivedata = new stdClass();
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|
322 |
$objectivedata->primaryobj = 0;
|
|
|
323 |
switch ($objective['name']) {
|
|
|
324 |
case 'IMSSS:PRIMARYOBJECTIVE':
|
|
|
325 |
$objectivedata->primaryobj = 1;
|
|
|
326 |
case 'IMSSS:OBJECTIVE':
|
|
|
327 |
$objectivedata->satisfiedbymeasure = 0;
|
|
|
328 |
if (isset($objective['attrs']['SATISFIEDBYMEASURE'])) {
|
|
|
329 |
$objectivedata->satisfiedbymeasure =
|
|
|
330 |
$objective['attrs']['SATISFIEDBYMEASURE'] == 'true' ? 1 : 0;
|
|
|
331 |
}
|
|
|
332 |
$objectivedata->objectiveid = '';
|
|
|
333 |
if (isset($objective['attrs']['OBJECTIVEID'])) {
|
|
|
334 |
$objectivedata->objectiveid = $objective['attrs']['OBJECTIVEID'];
|
|
|
335 |
}
|
|
|
336 |
$objectivedata->minnormalizedmeasure = 1.0;
|
|
|
337 |
if (!empty($objective['children'])) {
|
|
|
338 |
$mapinfos = array();
|
|
|
339 |
foreach ($objective['children'] as $objectiveparam) {
|
|
|
340 |
if ($objectiveparam['name'] == 'IMSSS:MINNORMALIZEDMEASURE') {
|
|
|
341 |
if (isset($objectiveparam['tagData'])) {
|
|
|
342 |
$objectivedata->minnormalizedmeasure = $objectiveparam['tagData'];
|
|
|
343 |
} else {
|
|
|
344 |
$objectivedata->minnormalizedmeasure = 0;
|
|
|
345 |
}
|
|
|
346 |
}
|
|
|
347 |
if ($objectiveparam['name'] == 'IMSSS:MAPINFO') {
|
|
|
348 |
$mapinfo = new stdClass();
|
|
|
349 |
$mapinfo->targetobjectiveid = '';
|
|
|
350 |
if (isset($objectiveparam['attrs']['TARGETOBJECTIVEID'])) {
|
|
|
351 |
$mapinfo->targetobjectiveid =
|
|
|
352 |
$objectiveparam['attrs']['TARGETOBJECTIVEID'];
|
|
|
353 |
}
|
|
|
354 |
$mapinfo->readsatisfiedstatus = 1;
|
|
|
355 |
if (isset($objectiveparam['attrs']['READSATISFIEDSTATUS'])) {
|
|
|
356 |
$mapinfo->readsatisfiedstatus =
|
|
|
357 |
$objectiveparam['attrs']['READSATISFIEDSTATUS'] == 'true' ? 1 : 0;
|
|
|
358 |
}
|
|
|
359 |
$mapinfo->writesatisfiedstatus = 0;
|
|
|
360 |
if (isset($objectiveparam['attrs']['WRITESATISFIEDSTATUS'])) {
|
|
|
361 |
$mapinfo->writesatisfiedstatus =
|
|
|
362 |
$objectiveparam['attrs']['WRITESATISFIEDSTATUS'] == 'true' ? 1 : 0;
|
|
|
363 |
}
|
|
|
364 |
$mapinfo->readnormalizemeasure = 1;
|
|
|
365 |
if (isset($objectiveparam['attrs']['READNORMALIZEDMEASURE'])) {
|
|
|
366 |
$mapinfo->readnormalizemeasure =
|
|
|
367 |
$objectiveparam['attrs']['READNORMALIZEDMEASURE'] == 'true' ? 1 : 0;
|
|
|
368 |
}
|
|
|
369 |
$mapinfo->writenormalizemeasure = 0;
|
|
|
370 |
if (isset($objectiveparam['attrs']['WRITENORMALIZEDMEASURE'])) {
|
|
|
371 |
$mapinfo->writenormalizemeasure =
|
|
|
372 |
$objectiveparam['attrs']['WRITENORMALIZEDMEASURE'] == 'true' ? 1 : 0;
|
|
|
373 |
}
|
|
|
374 |
array_push($mapinfos, $mapinfo);
|
|
|
375 |
}
|
|
|
376 |
}
|
|
|
377 |
if (!empty($mapinfos)) {
|
|
|
378 |
$objectivesdata->mapinfos = $mapinfos;
|
|
|
379 |
}
|
|
|
380 |
}
|
|
|
381 |
break;
|
|
|
382 |
}
|
|
|
383 |
array_push($objectives, $objectivedata);
|
|
|
384 |
}
|
|
|
385 |
$scoes->elements[$manifest][$parent->organization][$parent->identifier]->objectives = $objectives;
|
|
|
386 |
}
|
|
|
387 |
if ($sequencing['name'] == 'IMSSS:LIMITCONDITIONS') {
|
|
|
388 |
if (isset($sequencing['attrs']['ATTEMPTLIMIT'])) {
|
|
|
389 |
$scoes->elements[$manifest][$parent->organization][$parent->identifier]->attemptLimit =
|
|
|
390 |
$sequencing['attrs']['ATTEMPTLIMIT'];
|
|
|
391 |
}
|
|
|
392 |
if (isset($sequencing['attrs']['ATTEMPTABSOLUTEDURATIONLIMIT'])) {
|
|
|
393 |
$scoes->elements[$manifest][$parent->organization][$parent->identifier]->attemptAbsoluteDurationLimit =
|
|
|
394 |
$sequencing['attrs']['ATTEMPTABSOLUTEDURATIONLIMIT'];
|
|
|
395 |
}
|
|
|
396 |
}
|
|
|
397 |
if ($sequencing['name'] == 'IMSSS:ROLLUPRULES') {
|
|
|
398 |
if (isset($sequencing['attrs']['ROLLUPOBJECTIVESATISFIED'])) {
|
|
|
399 |
$scoes->elements[$manifest][$parent->organization][$parent->identifier]->rollupobjectivesatisfied =
|
|
|
400 |
$sequencing['attrs']['ROLLUPOBJECTIVESATISFIED'] == 'true' ? 1 : 0;
|
|
|
401 |
}
|
|
|
402 |
if (isset($sequencing['attrs']['ROLLUPPROGRESSCOMPLETION'])) {
|
|
|
403 |
$scoes->elements[$manifest][$parent->organization][$parent->identifier]->rollupprogresscompletion =
|
|
|
404 |
$sequencing['attrs']['ROLLUPPROGRESSCOMPLETION'] == 'true' ? 1 : 0;
|
|
|
405 |
}
|
|
|
406 |
if (isset($sequencing['attrs']['OBJECTIVEMEASUREWEIGHT'])) {
|
|
|
407 |
$scoes->elements[$manifest][$parent->organization][$parent->identifier]->objectivemeasureweight =
|
|
|
408 |
$sequencing['attrs']['OBJECTIVEMEASUREWEIGHT'];
|
|
|
409 |
}
|
|
|
410 |
|
|
|
411 |
if (!empty($sequencing['children'])) {
|
|
|
412 |
$rolluprules = array();
|
|
|
413 |
foreach ($sequencing['children'] as $sequencingrolluprule) {
|
|
|
414 |
if ($sequencingrolluprule['name'] == 'IMSSS:ROLLUPRULE' ) {
|
|
|
415 |
$rolluprule = new stdClass();
|
|
|
416 |
$rolluprule->childactivityset = 'all';
|
|
|
417 |
if (isset($sequencingrolluprule['attrs']['CHILDACTIVITYSET'])) {
|
|
|
418 |
$rolluprule->childactivityset = $sequencingrolluprule['attrs']['CHILDACTIVITYSET'];
|
|
|
419 |
}
|
|
|
420 |
$rolluprule->minimumcount = 0;
|
|
|
421 |
if (isset($sequencingrolluprule['attrs']['MINIMUMCOUNT'])) {
|
|
|
422 |
$rolluprule->minimumcount = $sequencingrolluprule['attrs']['MINIMUMCOUNT'];
|
|
|
423 |
}
|
|
|
424 |
$rolluprule->minimumpercent = 0.0000;
|
|
|
425 |
if (isset($sequencingrolluprule['attrs']['MINIMUMPERCENT'])) {
|
|
|
426 |
$rolluprule->minimumpercent = $sequencingrolluprule['attrs']['MINIMUMPERCENT'];
|
|
|
427 |
}
|
|
|
428 |
if (!empty($sequencingrolluprule['children'])) {
|
|
|
429 |
foreach ($sequencingrolluprule['children'] as $rolluproleconditions) {
|
|
|
430 |
if ($rolluproleconditions['name'] == 'IMSSS:ROLLUPCONDITIONS') {
|
|
|
431 |
$conditions = array();
|
|
|
432 |
$rolluprule->conditioncombination = 'all';
|
|
|
433 |
if (isset($rolluproleconditions['attrs']['CONDITIONCOMBINATION'])) {
|
|
|
434 |
$rolluprule->CONDITIONCOMBINATION = $rolluproleconditions['attrs']['CONDITIONCOMBINATION'];
|
|
|
435 |
}
|
|
|
436 |
foreach ($rolluproleconditions['children'] as $rolluprulecondition) {
|
|
|
437 |
if ($rolluprulecondition['name'] == 'IMSSS:ROLLUPCONDITION') {
|
|
|
438 |
$condition = new stdClass();
|
|
|
439 |
if (isset($rolluprulecondition['attrs']['CONDITION'])) {
|
|
|
440 |
$condition->cond = $rolluprulecondition['attrs']['CONDITION'];
|
|
|
441 |
}
|
|
|
442 |
$condition->operator = 'noOp';
|
|
|
443 |
if (isset($rolluprulecondition['attrs']['OPERATOR'])) {
|
|
|
444 |
$condition->operator = $rolluprulecondition['attrs']['OPERATOR'];
|
|
|
445 |
}
|
|
|
446 |
array_push($conditions, $condition);
|
|
|
447 |
}
|
|
|
448 |
}
|
|
|
449 |
$rolluprule->conditions = $conditions;
|
|
|
450 |
}
|
|
|
451 |
if ($rolluproleconditions['name'] == 'IMSSS:ROLLUPACTION') {
|
|
|
452 |
$rolluprule->rollupruleaction = $rolluproleconditions['attrs']['ACTION'];
|
|
|
453 |
}
|
|
|
454 |
}
|
|
|
455 |
}
|
|
|
456 |
array_push($rolluprules, $rolluprule);
|
|
|
457 |
}
|
|
|
458 |
}
|
|
|
459 |
$scoes->elements[$manifest][$parent->organization][$parent->identifier]->rolluprules = $rolluprules;
|
|
|
460 |
}
|
|
|
461 |
}
|
|
|
462 |
|
|
|
463 |
if ($sequencing['name'] == 'IMSSS:SEQUENCINGRULES') {
|
|
|
464 |
if (!empty($sequencing['children'])) {
|
|
|
465 |
$sequencingrules = array();
|
|
|
466 |
foreach ($sequencing['children'] as $conditionrules) {
|
|
|
467 |
$conditiontype = -1;
|
|
|
468 |
switch($conditionrules['name']) {
|
|
|
469 |
case 'IMSSS:PRECONDITIONRULE':
|
|
|
470 |
$conditiontype = 0;
|
|
|
471 |
break;
|
|
|
472 |
case 'IMSSS:POSTCONDITIONRULE':
|
|
|
473 |
$conditiontype = 1;
|
|
|
474 |
break;
|
|
|
475 |
case 'IMSSS:EXITCONDITIONRULE':
|
|
|
476 |
$conditiontype = 2;
|
|
|
477 |
break;
|
|
|
478 |
}
|
|
|
479 |
if (!empty($conditionrules['children'])) {
|
|
|
480 |
$sequencingrule = new stdClass();
|
|
|
481 |
foreach ($conditionrules['children'] as $conditionrule) {
|
|
|
482 |
if ($conditionrule['name'] == 'IMSSS:RULECONDITIONS') {
|
|
|
483 |
$ruleconditions = array();
|
|
|
484 |
$sequencingrule->conditioncombination = 'all';
|
|
|
485 |
if (isset($conditionrule['attrs']['CONDITIONCOMBINATION'])) {
|
|
|
486 |
$sequencingrule->conditioncombination = $conditionrule['attrs']['CONDITIONCOMBINATION'];
|
|
|
487 |
}
|
|
|
488 |
foreach ($conditionrule['children'] as $rulecondition) {
|
|
|
489 |
if ($rulecondition['name'] == 'IMSSS:RULECONDITION') {
|
|
|
490 |
$condition = new stdClass();
|
|
|
491 |
if (isset($rulecondition['attrs']['CONDITION'])) {
|
|
|
492 |
$condition->cond = $rulecondition['attrs']['CONDITION'];
|
|
|
493 |
}
|
|
|
494 |
$condition->operator = 'noOp';
|
|
|
495 |
if (isset($rulecondition['attrs']['OPERATOR'])) {
|
|
|
496 |
$condition->operator = $rulecondition['attrs']['OPERATOR'];
|
|
|
497 |
}
|
|
|
498 |
$condition->measurethreshold = 0.0000;
|
|
|
499 |
if (isset($rulecondition['attrs']['MEASURETHRESHOLD'])) {
|
|
|
500 |
$condition->measurethreshold = $rulecondition['attrs']['MEASURETHRESHOLD'];
|
|
|
501 |
}
|
|
|
502 |
$condition->referencedobjective = '';
|
|
|
503 |
if (isset($rulecondition['attrs']['REFERENCEDOBJECTIVE'])) {
|
|
|
504 |
$condition->referencedobjective = $rulecondition['attrs']['REFERENCEDOBJECTIVE'];
|
|
|
505 |
}
|
|
|
506 |
array_push($ruleconditions, $condition);
|
|
|
507 |
}
|
|
|
508 |
}
|
|
|
509 |
$sequencingrule->ruleconditions = $ruleconditions;
|
|
|
510 |
}
|
|
|
511 |
if ($conditionrule['name'] == 'IMSSS:RULEACTION') {
|
|
|
512 |
$sequencingrule->action = $conditionrule['attrs']['ACTION'];
|
|
|
513 |
}
|
|
|
514 |
$sequencingrule->type = $conditiontype;
|
|
|
515 |
}
|
|
|
516 |
array_push($sequencingrules, $sequencingrule);
|
|
|
517 |
}
|
|
|
518 |
}
|
|
|
519 |
$scoes->elements[$manifest][$parent->organization][$parent->identifier]->sequencingrules = $sequencingrules;
|
|
|
520 |
}
|
|
|
521 |
}
|
|
|
522 |
}
|
|
|
523 |
}
|
|
|
524 |
break;
|
|
|
525 |
}
|
|
|
526 |
}
|
|
|
527 |
}
|
|
|
528 |
if (!empty($manifestresourcesnotfound)) {
|
|
|
529 |
// Throw warning to user to let them know manifest contains references to resources that don't appear to exist.
|
|
|
530 |
if (!defined('DEBUGGING_PRINTED')) {
|
|
|
531 |
// Prevent redirect and display warning.
|
|
|
532 |
define('DEBUGGING_PRINTED', 1);
|
|
|
533 |
}
|
|
|
534 |
echo $OUTPUT->notification(get_string('invalidmanifestresource', 'scorm').' '. implode(', ', $manifestresourcesnotfound));
|
|
|
535 |
}
|
|
|
536 |
return $scoes;
|
|
|
537 |
}
|
|
|
538 |
|
|
|
539 |
/**
|
|
|
540 |
* Sets up SCORM 1.2/2004 packages using the manifest file.
|
|
|
541 |
* Called whenever SCORM changes
|
|
|
542 |
* @param object $scorm instance - fields are updated and changes saved into database
|
|
|
543 |
* @param stored_file|string $manifest - path to manifest file or stored_file.
|
|
|
544 |
* @return bool
|
|
|
545 |
*/
|
|
|
546 |
function scorm_parse_scorm(&$scorm, $manifest) {
|
|
|
547 |
global $CFG, $DB;
|
|
|
548 |
|
|
|
549 |
// Load manifest into string.
|
|
|
550 |
if ($manifest instanceof stored_file) {
|
|
|
551 |
$xmltext = $manifest->get_content();
|
|
|
552 |
} else {
|
|
|
553 |
require_once("$CFG->libdir/filelib.php");
|
|
|
554 |
$xmltext = download_file_content($manifest);
|
|
|
555 |
}
|
|
|
556 |
|
|
|
557 |
$defaultorgid = 0;
|
|
|
558 |
$firstinorg = 0;
|
|
|
559 |
|
|
|
560 |
$pattern = '/&(?!\w{2,6};)/';
|
|
|
561 |
$replacement = '&';
|
|
|
562 |
$xmltext = preg_replace($pattern, $replacement, $xmltext);
|
|
|
563 |
|
|
|
564 |
$objxml = new xml2Array();
|
|
|
565 |
$manifests = $objxml->parse($xmltext);
|
|
|
566 |
$scoes = new stdClass();
|
|
|
567 |
$scoes->version = '';
|
|
|
568 |
$scoes = scorm_get_manifest($manifests, $scoes);
|
|
|
569 |
$newscoes = array();
|
|
|
570 |
$sortorder = 0;
|
|
|
571 |
if (!empty($scoes->elements) && is_iterable($scoes->elements)) {
|
|
|
572 |
$olditems = $DB->get_records('scorm_scoes', array('scorm' => $scorm->id));
|
|
|
573 |
foreach ($scoes->elements as $manifest => $organizations) {
|
|
|
574 |
foreach ($organizations as $organization => $items) {
|
|
|
575 |
foreach ($items as $identifier => $item) {
|
|
|
576 |
$sortorder++;
|
|
|
577 |
// This new db mngt will support all SCORM future extensions.
|
|
|
578 |
$newitem = new stdClass();
|
|
|
579 |
$newitem->scorm = $scorm->id;
|
|
|
580 |
$newitem->manifest = $manifest;
|
|
|
581 |
$newitem->organization = $organization;
|
|
|
582 |
$newitem->sortorder = $sortorder;
|
|
|
583 |
$standarddatas = array('parent', 'identifier', 'launch', 'scormtype', 'title');
|
|
|
584 |
foreach ($standarddatas as $standarddata) {
|
|
|
585 |
if (isset($item->$standarddata)) {
|
|
|
586 |
$newitem->$standarddata = $item->$standarddata;
|
|
|
587 |
} else {
|
|
|
588 |
$newitem->$standarddata = '';
|
|
|
589 |
}
|
|
|
590 |
}
|
|
|
591 |
|
|
|
592 |
if (!empty($defaultorgid) && !empty($scoes->defaultorg) && empty($firstinorg) &&
|
|
|
593 |
$newitem->parent == $scoes->defaultorg) {
|
|
|
594 |
|
|
|
595 |
$firstinorg = $sortorder;
|
|
|
596 |
}
|
|
|
597 |
|
|
|
598 |
if (!empty($olditems) && ($olditemid = scorm_array_search('identifier', $newitem->identifier, $olditems))) {
|
|
|
599 |
$newitem->id = $olditemid;
|
|
|
600 |
// Update the Sco sortorder but keep id so that user tracks are kept against the same ids.
|
|
|
601 |
$DB->update_record('scorm_scoes', $newitem);
|
|
|
602 |
$id = $olditemid;
|
|
|
603 |
// Remove all old data so we don't duplicate it.
|
|
|
604 |
$DB->delete_records('scorm_scoes_data', array('scoid' => $olditemid));
|
|
|
605 |
$DB->delete_records('scorm_seq_objective', array('scoid' => $olditemid));
|
|
|
606 |
$DB->delete_records('scorm_seq_mapinfo', array('scoid' => $olditemid));
|
|
|
607 |
$DB->delete_records('scorm_seq_ruleconds', array('scoid' => $olditemid));
|
|
|
608 |
$DB->delete_records('scorm_seq_rulecond', array('scoid' => $olditemid));
|
|
|
609 |
$DB->delete_records('scorm_seq_rolluprule', array('scoid' => $olditemid));
|
|
|
610 |
$DB->delete_records('scorm_seq_rolluprulecond', array('scoid' => $olditemid));
|
|
|
611 |
|
|
|
612 |
// Now remove this SCO from the olditems object as we have dealt with it.
|
|
|
613 |
unset($olditems[$olditemid]);
|
|
|
614 |
} else {
|
|
|
615 |
// Insert the new SCO, and retain the link between the old and new for later adjustment.
|
|
|
616 |
$id = $DB->insert_record('scorm_scoes', $newitem);
|
|
|
617 |
}
|
|
|
618 |
// Save this sco in memory so we can use it later.
|
|
|
619 |
$newscoes[$id] = $newitem;
|
|
|
620 |
|
|
|
621 |
if ($optionaldatas = scorm_optionals_data($item, $standarddatas)) {
|
|
|
622 |
$data = new stdClass();
|
|
|
623 |
$data->scoid = $id;
|
|
|
624 |
foreach ($optionaldatas as $optionaldata) {
|
|
|
625 |
if (isset($item->$optionaldata)) {
|
|
|
626 |
$data->name = $optionaldata;
|
|
|
627 |
$data->value = $item->$optionaldata;
|
|
|
628 |
$dataid = $DB->insert_record('scorm_scoes_data', $data);
|
|
|
629 |
}
|
|
|
630 |
}
|
|
|
631 |
}
|
|
|
632 |
|
|
|
633 |
if (isset($item->sequencingrules)) {
|
|
|
634 |
foreach ($item->sequencingrules as $sequencingrule) {
|
|
|
635 |
$rule = new stdClass();
|
|
|
636 |
$rule->scoid = $id;
|
|
|
637 |
$rule->ruletype = $sequencingrule->type;
|
|
|
638 |
$rule->conditioncombination = $sequencingrule->conditioncombination;
|
|
|
639 |
$rule->action = $sequencingrule->action;
|
|
|
640 |
$ruleid = $DB->insert_record('scorm_seq_ruleconds', $rule);
|
|
|
641 |
if (isset($sequencingrule->ruleconditions)) {
|
|
|
642 |
foreach ($sequencingrule->ruleconditions as $rulecondition) {
|
|
|
643 |
$rulecond = new stdClass();
|
|
|
644 |
$rulecond->scoid = $id;
|
|
|
645 |
$rulecond->ruleconditionsid = $ruleid;
|
|
|
646 |
$rulecond->referencedobjective = $rulecondition->referencedobjective;
|
|
|
647 |
$rulecond->measurethreshold = $rulecondition->measurethreshold;
|
|
|
648 |
$rulecond->operator = $rulecondition->operator;
|
|
|
649 |
$rulecond->cond = $rulecondition->cond;
|
|
|
650 |
$rulecondid = $DB->insert_record('scorm_seq_rulecond', $rulecond);
|
|
|
651 |
}
|
|
|
652 |
}
|
|
|
653 |
}
|
|
|
654 |
}
|
|
|
655 |
|
|
|
656 |
if (isset($item->rolluprules)) {
|
|
|
657 |
foreach ($item->rolluprules as $rolluprule) {
|
|
|
658 |
$rollup = new stdClass();
|
|
|
659 |
$rollup->scoid = $id;
|
|
|
660 |
$rollup->childactivityset = $rolluprule->childactivityset;
|
|
|
661 |
$rollup->minimumcount = $rolluprule->minimumcount;
|
|
|
662 |
$rollup->minimumpercent = $rolluprule->minimumpercent;
|
|
|
663 |
$rollup->rollupruleaction = $rolluprule->rollupruleaction;
|
|
|
664 |
$rollup->conditioncombination = $rolluprule->conditioncombination;
|
|
|
665 |
|
|
|
666 |
$rollupruleid = $DB->insert_record('scorm_seq_rolluprule', $rollup);
|
|
|
667 |
if (isset($rollup->conditions)) {
|
|
|
668 |
foreach ($rollup->conditions as $condition) {
|
|
|
669 |
$cond = new stdClass();
|
|
|
670 |
$cond->scoid = $rollup->scoid;
|
|
|
671 |
$cond->rollupruleid = $rollupruleid;
|
|
|
672 |
$cond->operator = $condition->operator;
|
|
|
673 |
$cond->cond = $condition->cond;
|
|
|
674 |
$conditionid = $DB->insert_record('scorm_seq_rolluprulecond', $cond);
|
|
|
675 |
}
|
|
|
676 |
}
|
|
|
677 |
}
|
|
|
678 |
}
|
|
|
679 |
|
|
|
680 |
if (isset($item->objectives)) {
|
|
|
681 |
foreach ($item->objectives as $objective) {
|
|
|
682 |
$obj = new stdClass();
|
|
|
683 |
$obj->scoid = $id;
|
|
|
684 |
$obj->primaryobj = $objective->primaryobj;
|
|
|
685 |
$obj->satisfiedbumeasure = $objective->satisfiedbymeasure;
|
|
|
686 |
$obj->objectiveid = $objective->objectiveid;
|
|
|
687 |
$obj->minnormalizedmeasure = trim($objective->minnormalizedmeasure);
|
|
|
688 |
$objectiveid = $DB->insert_record('scorm_seq_objective', $obj);
|
|
|
689 |
if (isset($objective->mapinfos)) {
|
|
|
690 |
foreach ($objective->mapinfos as $objmapinfo) {
|
|
|
691 |
$mapinfo = new stdClass();
|
|
|
692 |
$mapinfo->scoid = $id;
|
|
|
693 |
$mapinfo->objectiveid = $objectiveid;
|
|
|
694 |
$mapinfo->targetobjectiveid = $objmapinfo->targetobjectiveid;
|
|
|
695 |
$mapinfo->readsatisfiedstatus = $objmapinfo->readsatisfiedstatus;
|
|
|
696 |
$mapinfo->writesatisfiedstatus = $objmapinfo->writesatisfiedstatus;
|
|
|
697 |
$mapinfo->readnormalizedmeasure = $objmapinfo->readnormalizedmeasure;
|
|
|
698 |
$mapinfo->writenormalizedmeasure = $objmapinfo->writenormalizedmeasure;
|
|
|
699 |
$mapinfoid = $DB->insert_record('scorm_seq_mapinfo', $mapinfo);
|
|
|
700 |
}
|
|
|
701 |
}
|
|
|
702 |
}
|
|
|
703 |
}
|
|
|
704 |
if (empty($defaultorgid) && ((empty($scoes->defaultorg)) || ($scoes->defaultorg == $identifier))) {
|
|
|
705 |
$defaultorgid = $id;
|
|
|
706 |
}
|
|
|
707 |
}
|
|
|
708 |
}
|
|
|
709 |
}
|
|
|
710 |
if (!empty($olditems)) {
|
|
|
711 |
foreach ($olditems as $olditem) {
|
|
|
712 |
$DB->delete_records('scorm_scoes', ['id' => $olditem->id]);
|
|
|
713 |
$DB->delete_records('scorm_scoes_data', ['scoid' => $olditem->id]);
|
|
|
714 |
scorm_delete_tracks($scorm->id, $olditem->id);
|
|
|
715 |
$DB->delete_records('scorm_seq_objective', ['scoid' => $olditem->id]);
|
|
|
716 |
$DB->delete_records('scorm_seq_mapinfo', ['scoid' => $olditem->id]);
|
|
|
717 |
$DB->delete_records('scorm_seq_ruleconds', ['scoid' => $olditem->id]);
|
|
|
718 |
$DB->delete_records('scorm_seq_rulecond', ['scoid' => $olditem->id]);
|
|
|
719 |
$DB->delete_records('scorm_seq_rolluprule', ['scoid' => $olditem->id]);
|
|
|
720 |
$DB->delete_records('scorm_seq_rolluprulecond', ['scoid' => $olditem->id]);
|
|
|
721 |
}
|
|
|
722 |
}
|
|
|
723 |
if (empty($scoes->version)) {
|
|
|
724 |
$scoes->version = 'SCORM_1.2';
|
|
|
725 |
}
|
|
|
726 |
$DB->set_field('scorm', 'version', $scoes->version, array('id' => $scorm->id));
|
|
|
727 |
$scorm->version = $scoes->version;
|
|
|
728 |
}
|
|
|
729 |
$scorm->launch = 0;
|
|
|
730 |
// Check launch sco is valid.
|
|
|
731 |
if (!empty($defaultorgid) && isset($newscoes[$defaultorgid]) && !empty($newscoes[$defaultorgid]->launch)) {
|
|
|
732 |
// Launch param is valid - do nothing.
|
|
|
733 |
$scorm->launch = $defaultorgid;
|
|
|
734 |
} else if (!empty($defaultorgid) && isset($newscoes[$defaultorgid]) && empty($newscoes[$defaultorgid]->launch)) {
|
|
|
735 |
// The launch is probably the default org so we need to find the first launchable item inside this org.
|
|
|
736 |
$sqlselect = 'scorm = ? AND sortorder >= ? AND '.$DB->sql_isnotempty('scorm_scoes', 'launch', false, true);
|
|
|
737 |
// We use get_records here as we need to pass a limit in the query that works cross db.
|
|
|
738 |
$scoes = $DB->get_records_select('scorm_scoes', $sqlselect, array($scorm->id, $firstinorg), 'sortorder', 'id', 0, 1);
|
|
|
739 |
if (!empty($scoes)) {
|
|
|
740 |
$sco = reset($scoes); // We only care about the first record - the above query only returns one.
|
|
|
741 |
$scorm->launch = $sco->id;
|
|
|
742 |
}
|
|
|
743 |
}
|
|
|
744 |
if (empty($scorm->launch)) {
|
|
|
745 |
// No valid Launch is specified - find the first launchable sco instead.
|
|
|
746 |
$sqlselect = 'scorm = ? AND '.$DB->sql_isnotempty('scorm_scoes', 'launch', false, true);
|
|
|
747 |
// We use get_records here as we need to pass a limit in the query that works cross db.
|
|
|
748 |
$scoes = $DB->get_records_select('scorm_scoes', $sqlselect, array($scorm->id), 'sortorder', 'id', 0, 1);
|
|
|
749 |
if (!empty($scoes)) {
|
|
|
750 |
$sco = reset($scoes); // We only care about the first record - the above query only returns one.
|
|
|
751 |
$scorm->launch = $sco->id;
|
|
|
752 |
}
|
|
|
753 |
}
|
|
|
754 |
|
|
|
755 |
return true;
|
|
|
756 |
}
|
|
|
757 |
|
|
|
758 |
function scorm_optionals_data($item, $standarddata) {
|
|
|
759 |
$result = array();
|
|
|
760 |
$sequencingdata = array('sequencingrules', 'rolluprules', 'objectives');
|
|
|
761 |
foreach ($item as $element => $value) {
|
|
|
762 |
if (! in_array($element, $standarddata)) {
|
|
|
763 |
if (! in_array($element, $sequencingdata)) {
|
|
|
764 |
$result[] = $element;
|
|
|
765 |
}
|
|
|
766 |
}
|
|
|
767 |
}
|
|
|
768 |
return $result;
|
|
|
769 |
}
|
|
|
770 |
|
|
|
771 |
function scorm_is_leaf($sco) {
|
|
|
772 |
global $DB;
|
|
|
773 |
|
|
|
774 |
if ($DB->record_exists('scorm_scoes', array('scorm' => $sco->scorm, 'parent' => $sco->identifier))) {
|
|
|
775 |
return false;
|
|
|
776 |
}
|
|
|
777 |
return true;
|
|
|
778 |
}
|
|
|
779 |
|
|
|
780 |
function scorm_get_parent($sco) {
|
|
|
781 |
global $DB;
|
|
|
782 |
|
|
|
783 |
if ($sco->parent != '/') {
|
|
|
784 |
if ($parent = $DB->get_record('scorm_scoes', array('scorm' => $sco->scorm, 'identifier' => $sco->parent))) {
|
|
|
785 |
return scorm_get_sco($parent->id);
|
|
|
786 |
}
|
|
|
787 |
}
|
|
|
788 |
return null;
|
|
|
789 |
}
|
|
|
790 |
|
|
|
791 |
function scorm_get_children($sco) {
|
|
|
792 |
global $DB;
|
|
|
793 |
|
|
|
794 |
$children = $DB->get_records('scorm_scoes', array('scorm' => $sco->scorm, 'parent' => $sco->identifier), 'sortorder, id');
|
|
|
795 |
if (!empty($children)) {
|
|
|
796 |
return $children;
|
|
|
797 |
}
|
|
|
798 |
return null;
|
|
|
799 |
}
|
|
|
800 |
|
|
|
801 |
function scorm_get_available_children($sco) {
|
|
|
802 |
global $DB;
|
|
|
803 |
|
|
|
804 |
$res = $DB->get_records('scorm_scoes', array('scorm' => $sco->scorm, 'parent' => $sco->identifier), 'sortorder, id');
|
|
|
805 |
if (!$res || $res == null) {
|
|
|
806 |
return false;
|
|
|
807 |
} else {
|
|
|
808 |
foreach ($res as $sco) {
|
|
|
809 |
$result[] = $sco;
|
|
|
810 |
}
|
|
|
811 |
return $result;
|
|
|
812 |
}
|
|
|
813 |
}
|
|
|
814 |
|
|
|
815 |
function scorm_get_available_descendent($descend, $sco) {
|
|
|
816 |
if ($sco == null) {
|
|
|
817 |
return $descend;
|
|
|
818 |
} else {
|
|
|
819 |
$avchildren = scorm_get_available_children($sco);
|
|
|
820 |
foreach ($avchildren as $avchild) {
|
|
|
821 |
array_push($descend, $avchild);
|
|
|
822 |
}
|
|
|
823 |
foreach ($avchildren as $avchild) {
|
|
|
824 |
scorm_get_available_descendent($descend, $avchild);
|
|
|
825 |
}
|
|
|
826 |
}
|
|
|
827 |
}
|
|
|
828 |
|
|
|
829 |
function scorm_get_siblings($sco) {
|
|
|
830 |
global $DB;
|
|
|
831 |
|
|
|
832 |
if ($siblings = $DB->get_records('scorm_scoes', array('scorm' => $sco->scorm, 'parent' => $sco->parent), 'sortorder, id')) {
|
|
|
833 |
unset($siblings[$sco->id]);
|
|
|
834 |
if (!empty($siblings)) {
|
|
|
835 |
return $siblings;
|
|
|
836 |
}
|
|
|
837 |
}
|
|
|
838 |
return null;
|
|
|
839 |
}
|
|
|
840 |
// Get an array that contains all the parent scos for this sco.
|
|
|
841 |
function scorm_get_ancestors($sco) {
|
|
|
842 |
$ancestors = array();
|
|
|
843 |
$continue = true;
|
|
|
844 |
while ($continue) {
|
|
|
845 |
$ancestor = scorm_get_parent($sco);
|
|
|
846 |
if (!empty($ancestor) && $ancestor->id !== $sco->id) {
|
|
|
847 |
$sco = $ancestor;
|
|
|
848 |
$ancestors[] = $ancestor;
|
|
|
849 |
if ($sco->parent == '/') {
|
|
|
850 |
$continue = false;
|
|
|
851 |
}
|
|
|
852 |
} else {
|
|
|
853 |
$continue = false;
|
|
|
854 |
}
|
|
|
855 |
}
|
|
|
856 |
return $ancestors;
|
|
|
857 |
}
|
|
|
858 |
|
|
|
859 |
function scorm_get_preorder(&$preorder = array(), $sco = null) {
|
|
|
860 |
if ($sco != null) {
|
|
|
861 |
array_push($preorder, $sco);
|
|
|
862 |
if ($children = scorm_get_children($sco)) {
|
|
|
863 |
foreach ($children as $child) {
|
|
|
864 |
scorm_get_preorder($preorder, $child);
|
|
|
865 |
}
|
|
|
866 |
}
|
|
|
867 |
}
|
|
|
868 |
return $preorder;
|
|
|
869 |
}
|
|
|
870 |
|
|
|
871 |
function scorm_find_common_ancestor($ancestors, $sco) {
|
|
|
872 |
$pos = scorm_array_search('identifier', $sco->parent, $ancestors);
|
|
|
873 |
if ($sco->parent != '/') {
|
|
|
874 |
if ($pos === false) {
|
|
|
875 |
return scorm_find_common_ancestor($ancestors, scorm_get_parent($sco));
|
|
|
876 |
}
|
|
|
877 |
}
|
|
|
878 |
return $pos;
|
|
|
879 |
}
|
|
|
880 |
|
|
|
881 |
/* Usage
|
|
|
882 |
Grab some XML data, either from a file, URL, etc. however you want. Assume storage in $strYourXML;
|
|
|
883 |
|
|
|
884 |
$objXML = new xml2Array();
|
|
|
885 |
$arroutput = $objXML->parse($strYourXML);
|
|
|
886 |
print_r($arroutput); //print it out, or do whatever!
|
|
|
887 |
|
|
|
888 |
*/
|
|
|
889 |
class xml2Array {
|
|
|
890 |
|
|
|
891 |
public $arroutput = array();
|
|
|
892 |
public $resparser;
|
|
|
893 |
public $strxmldata;
|
|
|
894 |
|
|
|
895 |
/**
|
|
|
896 |
* Convert a utf-8 string to html entities
|
|
|
897 |
*
|
|
|
898 |
* @param string $str The UTF-8 string
|
|
|
899 |
* @return string
|
|
|
900 |
*/
|
|
|
901 |
public function utf8_to_entities($str) {
|
|
|
902 |
global $CFG;
|
|
|
903 |
|
|
|
904 |
$entities = '';
|
|
|
905 |
$values = array();
|
|
|
906 |
$lookingfor = 1;
|
|
|
907 |
|
|
|
908 |
return $str;
|
|
|
909 |
}
|
|
|
910 |
|
|
|
911 |
/**
|
|
|
912 |
* Parse an XML text string and create an array tree that rapresent the XML structure
|
|
|
913 |
*
|
|
|
914 |
* @param string $strinputxml The XML string
|
|
|
915 |
* @return array
|
|
|
916 |
*/
|
|
|
917 |
public function parse($strinputxml) {
|
|
|
918 |
$this->resparser = xml_parser_create ('UTF-8');
|
|
|
919 |
xml_set_object($this->resparser, $this);
|
|
|
920 |
xml_set_element_handler($this->resparser, "tagopen", "tagclosed");
|
|
|
921 |
|
|
|
922 |
xml_set_character_data_handler($this->resparser, "tagdata");
|
|
|
923 |
|
|
|
924 |
$this->strxmldata = xml_parse($this->resparser, $strinputxml );
|
|
|
925 |
if (!$this->strxmldata) {
|
|
|
926 |
die(sprintf("XML error: %s at line %d",
|
|
|
927 |
xml_error_string(xml_get_error_code($this->resparser)),
|
|
|
928 |
xml_get_current_line_number($this->resparser)));
|
|
|
929 |
}
|
|
|
930 |
|
|
|
931 |
xml_parser_free($this->resparser);
|
|
|
932 |
|
|
|
933 |
return $this->arroutput;
|
|
|
934 |
}
|
|
|
935 |
|
|
|
936 |
public function tagopen($parser, $name, $attrs) {
|
|
|
937 |
$tag = array("name" => $name, "attrs" => $attrs);
|
|
|
938 |
array_push($this->arroutput, $tag);
|
|
|
939 |
}
|
|
|
940 |
|
|
|
941 |
public function tagdata($parser, $tagdata) {
|
|
|
942 |
if (trim($tagdata)) {
|
|
|
943 |
if (isset($this->arroutput[count($this->arroutput) - 1]['tagData'])) {
|
|
|
944 |
$this->arroutput[count($this->arroutput) - 1]['tagData'] .= $this->utf8_to_entities($tagdata);
|
|
|
945 |
} else {
|
|
|
946 |
$this->arroutput[count($this->arroutput) - 1]['tagData'] = $this->utf8_to_entities($tagdata);
|
|
|
947 |
}
|
|
|
948 |
}
|
|
|
949 |
}
|
|
|
950 |
|
|
|
951 |
public function tagclosed($parser, $name) {
|
|
|
952 |
$this->arroutput[count($this->arroutput) - 2]['children'][] = $this->arroutput[count($this->arroutput) - 1];
|
|
|
953 |
array_pop($this->arroutput);
|
|
|
954 |
}
|
|
|
955 |
|
|
|
956 |
}
|