mirror of
https://github.com/moodle/moodle.git
synced 2025-02-19 15:45:59 +01:00
1351 lines
52 KiB
PHP
Executable File
1351 lines
52 KiB
PHP
Executable File
<?php // $Id$
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/// Local Library of functions and constants for module scorm
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/**
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* Create a new temporary subdirectory with a random name in the given path
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*
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* @param string $strpath The scorm data directory
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* @return string/boolean
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*/
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function scorm_datadir($strPath)
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{
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global $CFG;
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if (is_dir($strPath)) {
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do {
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// Create a random string of 8 chars
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$randstring = NULL;
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$lchar = '';
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$len = 8;
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for ($i=0; $i<$len; $i++) {
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$char = chr(rand(48,122));
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while (!ereg('[a-zA-Z0-9]', $char)){
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if ($char == $lchar) continue;
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$char = chr(rand(48,90));
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}
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$randstring .= $char;
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$lchar = $char;
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}
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$datadir='/'.$randstring;
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} while (file_exists($strPath.$datadir));
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mkdir($strPath.$datadir, $CFG->directorypermissions);
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@chmod($strPath.$datadir, $CFG->directorypermissions); // Just in case mkdir didn't do it
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return $strPath.$datadir;
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} else {
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return false;
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}
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}
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/**
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* Given a package directory, this function will check if the package is valid
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*
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* @param string $packagedir The package directory
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* @return mixed
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*/
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function scorm_validate($packagedir) {
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$validation = new stdClass();
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if (is_file($packagedir.'/imsmanifest.xml')) {
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$validation->result = 'found';
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$validation->pkgtype = 'SCORM';
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} else {
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if ($handle = opendir($packagedir)) {
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while (($file = readdir($handle)) !== false) {
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$ext = substr($file,strrpos($file,'.'));
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if (strtolower($ext) == '.cst') {
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$validation->result = 'found';
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$validation->pkgtype = 'AICC';
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break;
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}
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}
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closedir($handle);
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}
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if (!isset($validation)) {
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$validation->result = 'nomanifest';
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$validation->pkgtype = 'SCORM';
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}
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}
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return $validation;
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}
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function scorm_get_user_data($userid) {
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/// Gets user info required to display the table of scorm results
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/// for report.php
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return get_record('user','id',$userid,'','','','','firstname, lastname, picture');
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}
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function scorm_string_wrap($stringa, $len=15) {
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// Crop the given string into max $len characters lines
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$textlib = textlib_get_instance();
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if ($textlib->strlen($stringa, current_charset()) > $len) {
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$words = explode(' ', $stringa);
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$newstring = '';
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$substring = '';
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foreach ($words as $word) {
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if (($textlib->strlen($substring, current_charset())+$textlib->strlen($word, current_charset())+1) < $len) {
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$substring .= ' '.$word;
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} else {
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$newstring .= ' '.$substring.'<br />';
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$substring = $word;
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}
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}
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if (!empty($substring)) {
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$newstring .= ' '.$substring;
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}
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return $newstring;
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} else {
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return $stringa;
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}
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}
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function scorm_eval_prerequisites($prerequisites,$usertracks) {
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$element = '';
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$stack = array();
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$statuses = array(
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'passed' => 'passed',
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'completed' => 'completed',
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'failed' => 'failed',
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'incomplete' => 'incomplete',
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'browsed' => 'browsed',
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'not attempted' => 'notattempted',
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'p' => 'passed',
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'c' => 'completed',
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'f' => 'failed',
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'i' => 'incomplete',
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'b' => 'browsed',
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'n' => 'notattempted'
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);
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$i=0;
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while ($i<strlen($prerequisites)) {
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$symbol = $prerequisites[$i];
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switch ($symbol) {
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case '&':
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case '|':
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$symbol .= $symbol;
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case '~':
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case '(':
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case ')':
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case '*':
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//case '{':
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//case '}':
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//case ',':
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$element = trim($element);
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if (!empty($element)) {
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$element = trim($element);
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if (isset($usertracks[$element])) {
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$element = '((\''.$usertracks[$element]->status.'\' == \'completed\') || '.
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'(\''.$usertracks[$element]->status.'\' == \'passed\'))';
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} else if (($operator = strpos($element,'=')) !== false) {
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$item = trim(substr($element,0,$operator));
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if (!isset($usertracks[$item])) {
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return false;
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}
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$value = trim(trim(substr($element,$operator+1)),'"');
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if (isset($statuses[$value])) {
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$status = $statuses[$value];
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} else {
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return false;
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}
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$element = '(\''.$usertracks[$item]->status.'\' == \''.$status.'\')';
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} else if (($operator = strpos($element,'<>')) !== false) {
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$item = trim(substr($element,0,$operator));
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if (!isset($usertracks[$item])) {
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return false;
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}
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$value = trim(trim(substr($element,$operator+2)),'"');
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if (isset($statuses[$value])) {
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$status = $statuses[$value];
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} else {
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return false;
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}
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$element = '(\''.$usertracks[$item]->status.'\' != \''.$status.'\')';
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} else if (is_numeric($element)) {
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if ($symbol == '*') {
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$symbol = '';
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$open = strpos($prerequisites,'{',$i);
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$opened = 1;
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$closed = 0;
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for ($close=$open+1; (($opened > $closed) && ($close<strlen($prerequisites))); $close++) {
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if ($prerequisites[$close] == '}') {
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$closed++;
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} else if ($prerequisites[$close] == '{') {
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$opened++;
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}
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}
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$i = $close;
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$setelements = explode(',', substr($prerequisites, $open+1, $close-($open+1)-1));
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$settrue = 0;
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foreach ($setelements as $setelement) {
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if (scorm_eval_prerequisites($setelement,$usertracks)) {
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$settrue++;
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}
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}
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if ($settrue >= $element) {
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$element = 'true';
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} else {
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$element = 'false';
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}
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}
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} else {
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return false;
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}
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array_push($stack,$element);
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$element = '';
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}
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if ($symbol == '~') {
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$symbol = '!';
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}
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if (!empty($symbol)) {
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array_push($stack,$symbol);
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}
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break;
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default:
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$element .= $symbol;
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break;
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}
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$i++;
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}
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if (!empty($element)) {
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$element = trim($element);
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if (isset($usertracks[$element])) {
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$element = '((\''.$usertracks[$element]->status.'\' == \'completed\') || '.
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'(\''.$usertracks[$element]->status.'\' == \'passed\'))';
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} else if (($operator = strpos($element,'=')) !== false) {
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$item = trim(substr($element,0,$operator));
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if (!isset($usertracks[$item])) {
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return false;
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}
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$value = trim(trim(substr($element,$operator+1)),'"');
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if (isset($statuses[$value])) {
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$status = $statuses[$value];
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} else {
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return false;
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}
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$element = '(\''.$usertracks[$item]->status.'\' == \''.$status.'\')';
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} else if (($operator = strpos($element,'<>')) !== false) {
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$item = trim(substr($element,0,$operator));
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if (!isset($usertracks[$item])) {
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return false;
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}
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$value = trim(trim(substr($element,$operator+1)),'"');
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if (isset($statuses[$value])) {
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$status = $statuses[$value];
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} else {
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return false;
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}
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$element = '(\''.$usertracks[$item]->status.'\' != \''.trim($status).'\')';
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} else {
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return false;
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}
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array_push($stack,$element);
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}
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return eval('return '.implode($stack).';');
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}
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function scorm_insert_track($userid,$scormid,$scoid,$attempt,$element,$value) {
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$id = null;
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if ($track = get_record_select('scorm_scoes_track',"userid='$userid' AND scormid='$scormid' AND scoid='$scoid' AND attempt='$attempt' AND element='$element'")) {
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$track->value = $value;
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$track->timemodified = time();
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$id = update_record('scorm_scoes_track',$track);
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} else {
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$track->userid = $userid;
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$track->scormid = $scormid;
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$track->scoid = $scoid;
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$track->attempt = $attempt;
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$track->element = $element;
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$track->value = addslashes($value);
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$track->timemodified = time();
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$id = insert_record('scorm_scoes_track',$track);
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}
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return $id;
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}
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function scorm_add_time($a, $b) {
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$aes = explode(':',$a);
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$bes = explode(':',$b);
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$aseconds = explode('.',$aes[2]);
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$bseconds = explode('.',$bes[2]);
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$change = 0;
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$acents = 0; //Cents
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if (count($aseconds) > 1) {
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$acents = $aseconds[1];
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}
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$bcents = 0;
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if (count($bseconds) > 1) {
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$bcents = $bseconds[1];
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}
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$cents = $acents + $bcents;
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$change = floor($cents / 100);
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$cents = $cents - ($change * 100);
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if (floor($cents) < 10) {
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$cents = '0'. $cents;
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}
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$secs = $aseconds[0] + $bseconds[0] + $change; //Seconds
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$change = floor($secs / 60);
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$secs = $secs - ($change * 60);
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if (floor($secs) < 10) {
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$secs = '0'. $secs;
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}
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$mins = $aes[1] + $bes[1] + $change; //Minutes
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$change = floor($mins / 60);
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$mins = $mins - ($change * 60);
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if ($mins < 10) {
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$mins = '0' . $mins;
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}
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$hours = $aes[0] + $bes[0] + $change; //Hours
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if ($hours < 10) {
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$hours = '0' . $hours;
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}
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if ($cents != '0') {
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return $hours . ":" . $mins . ":" . $secs . '.' . $cents;
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} else {
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return $hours . ":" . $mins . ":" . $secs;
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}
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}
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function scorm_external_link($link) {
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// check if a link is external
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$result = false;
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$link = strtolower($link);
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if (substr($link,0,7) == 'http://') {
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$result = true;
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} else if (substr($link,0,8) == 'https://') {
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$result = true;
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} else if (substr($link,0,4) == 'www.') {
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$result = true;
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}
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return $result;
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}
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function scorm_grade_user($scoes, $userid, $grademethod=VALUESCOES) {
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$scores = NULL;
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$scores->scoes = 0;
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$scores->values = 0;
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$scores->max = 0;
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$scores->sum = 0;
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if (!$scoes) {
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return '';
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}
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$current = current($scoes);
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$attempt = scorm_get_last_attempt($current->scorm, $userid);
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foreach ($scoes as $sco) {
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if ($userdata=scorm_get_tracks($sco->id, $userid,$attempt)) {
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if (($userdata->status == 'completed') || ($userdata->status == 'passed')) {
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$scores->scoes++;
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}
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if (!empty($userdata->score_raw)) {
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$scores->values++;
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$scores->sum += $userdata->score_raw;
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$scores->max = ($userdata->score_raw > $scores->max)?$userdata->score_raw:$scores->max;
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}
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}
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}
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switch ($grademethod) {
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case VALUEHIGHEST:
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return $scores->max;
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break;
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case VALUEAVERAGE:
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if ($scores->values > 0) {
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return $scores->sum/$scores->values;
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} else {
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return 0;
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}
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break;
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case VALUESUM:
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return $scores->sum;
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break;
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case VALUESCOES:
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return $scores->scoes;
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break;
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}
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}
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function scorm_count_launchable($scormid,$organization) {
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return count_records_select('scorm_scoes',"scorm=$scormid AND organization='$organization' AND launch<>''");
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}
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function scorm_get_toc($user,$scorm,$liststyle,$currentorg='',$scoid='',$mode='normal',$attempt='',$play=false) {
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global $CFG;
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$strexpand = get_string('expcoll','scorm');
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$modestr = '';
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if ($mode == 'browse') {
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$modestr = '&mode='.$mode;
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}
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$scormpixdir = $CFG->modpixpath.'/scorm/pix';
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$result = new stdClass();
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$result->toc = "<ul id='0' class='$liststyle'>\n";
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$tocmenus = array();
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$result->prerequisites = true;
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$incomplete = false;
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//
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// Get the current organization infos
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//
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$organizationsql = '';
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if (!empty($currentorg)) {
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if (($organizationtitle = get_field('scorm_scoes','title','scorm',$scorm->id,'identifier',$currentorg)) != '') {
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$result->toc .= "\t<li>$organizationtitle</li>\n";
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$tocmenus[] = $organizationtitle;
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}
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$organizationsql = "AND organization='$currentorg'";
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}
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//
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// If not specified retrieve the last attempt number
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//
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if (empty($attempt)) {
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$attempt = scorm_get_last_attempt($scorm->id, $user->id);
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}
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$result->attemptleft = $scorm->maxattempt - $attempt;
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if ($scoes = get_records_select('scorm_scoes',"scorm='$scorm->id' $organizationsql order by id ASC")){
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//
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// Retrieve user tracking data for each learning object
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//
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$usertracks = array();
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foreach ($scoes as $sco) {
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if (!empty($sco->launch)) {
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if ($usertrack=scorm_get_tracks($sco->id,$user->id,$attempt)) {
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if ($usertrack->status == '') {
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$usertrack->status = 'notattempted';
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}
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$usertracks[$sco->identifier] = $usertrack;
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}
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}
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}
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$level=0;
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$sublist=1;
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$previd = 0;
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$nextid = 0;
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$findnext = false;
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$parents[$level]='/';
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foreach ($scoes as $sco) {
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if ($parents[$level]!=$sco->parent) {
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if ($newlevel = array_search($sco->parent,$parents)) {
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for ($i=0; $i<($level-$newlevel); $i++) {
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$result->toc .= "\t\t</ul></li>\n";
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}
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$level = $newlevel;
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} else {
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$i = $level;
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$closelist = '';
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while (($i > 0) && ($parents[$level] != $sco->parent)) {
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$closelist .= "\t\t</ul></li>\n";
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$i--;
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}
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if (($i == 0) && ($sco->parent != $currentorg)) {
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$style = '';
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if (isset($_COOKIE['hide:SCORMitem'.$sco->id])) {
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$style = ' style="display: none;"';
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}
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$result->toc .= "\t\t<li><ul id='$sublist' class='$liststyle'$style>\n";
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$level++;
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} else {
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$result->toc .= $closelist;
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$level = $i;
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}
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$parents[$level]=$sco->parent;
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}
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}
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$result->toc .= "\t\t<li>";
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$nextsco = next($scoes);
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if (($nextsco !== false) && ($sco->parent != $nextsco->parent) && (($level==0) || (($level>0) && ($nextsco->parent == $sco->identifier)))) {
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$sublist++;
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$icon = 'minus';
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if (isset($_COOKIE['hide:SCORMitem'.$nextsco->id])) {
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$icon = 'plus';
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}
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$result->toc .= '<a href="javascript:expandCollide(img'.$sublist.','.$sublist.','.$nextsco->id.');"><img id="img'.$sublist.'" src="'.$scormpixdir.'/'.$icon.'.gif" alt="'.$strexpand.'" title="'.$strexpand.'"/></a>';
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} else {
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$result->toc .= '<img src="'.$scormpixdir.'/spacer.gif" />';
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}
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if (empty($sco->title)) {
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$sco->title = $sco->identifier;
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}
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if (!empty($sco->launch)) {
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$startbold = '';
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$endbold = '';
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$score = '';
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if (empty($scoid) && ($mode != 'normal')) {
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$scoid = $sco->id;
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}
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if (isset($usertracks[$sco->identifier])) {
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$usertrack = $usertracks[$sco->identifier];
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$strstatus = get_string($usertrack->status,'scorm');
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$result->toc .= '<img src="'.$scormpixdir.'/'.$usertrack->status.'.gif" alt="'.$strstatus.'" title="'.$strstatus.'" />';
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if (($usertrack->status == 'notattempted') || ($usertrack->status == 'incomplete') || ($usertrack->status == 'browsed')) {
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$incomplete = true;
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if ($play && empty($scoid)) {
|
|
$scoid = $sco->id;
|
|
}
|
|
}
|
|
if ($usertrack->score_raw != '') {
|
|
$score = '('.get_string('score','scorm').': '.$usertrack->score_raw.')';
|
|
}
|
|
} else {
|
|
if ($play && empty($scoid)) {
|
|
$scoid = $sco->id;
|
|
}
|
|
if ($sco->scormtype == 'sco') {
|
|
$result->toc .= '<img src="'.$scormpixdir.'/notattempted.gif" alt="'.get_string('notattempted','scorm').'" title="'.get_string('notattempted','scorm').'" />';
|
|
$incomplete = true;
|
|
} else {
|
|
$result->toc .= '<img src="'.$scormpixdir.'/asset.gif" alt="'.get_string('asset','scorm').'" title="'.get_string('asset','scorm').'" />';
|
|
}
|
|
}
|
|
if ($sco->id == $scoid) {
|
|
$startbold = '<b>';
|
|
$endbold = '</b>';
|
|
$findnext = true;
|
|
$shownext = $sco->next;
|
|
$showprev = $sco->previous;
|
|
}
|
|
|
|
if (($nextid == 0) && (scorm_count_launchable($scorm->id,$currentorg) > 1) && ($nextsco!==false) && (!$findnext)) {
|
|
if (!empty($sco->launch)) {
|
|
$previd = $sco->id;
|
|
}
|
|
}
|
|
if (empty($sco->prerequisites) || scorm_eval_prerequisites($sco->prerequisites,$usertracks)) {
|
|
if ($sco->id == $scoid) {
|
|
$result->prerequisites = true;
|
|
}
|
|
$url = $CFG->wwwroot.'/mod/scorm/player.php?a='.$scorm->id.'&currentorg='.$currentorg.$modestr.'&scoid='.$sco->id;
|
|
$result->toc .= ' '.$startbold.'<a href="'.$url.'">'.format_string($sco->title).'</a>'.$score.$endbold."</li>\n";
|
|
$tocmenus[$sco->id] = scorm_repeater('−',$level) . '>' . format_string($sco->title);
|
|
} else {
|
|
if ($sco->id == $scoid) {
|
|
$result->prerequisites = false;
|
|
}
|
|
$result->toc .= ' '.$sco->title."</li>\n";
|
|
}
|
|
} else {
|
|
$result->toc .= ' '.$sco->title."</li>\n";
|
|
}
|
|
if (($nextsco !== false) && ($nextid == 0) && ($findnext)) {
|
|
if (!empty($nextsco->launch)) {
|
|
$nextid = $nextsco->id;
|
|
}
|
|
}
|
|
}
|
|
for ($i=0;$i<$level;$i++) {
|
|
$result->toc .= "\t\t</ul></li>\n";
|
|
}
|
|
|
|
if ($play) {
|
|
$sco = get_record('scorm_scoes','id',$scoid);
|
|
$sco->previd = $previd;
|
|
$sco->nextid = $nextid;
|
|
$result->sco = $sco;
|
|
$result->incomplete = $incomplete;
|
|
} else {
|
|
$result->incomplete = $incomplete;
|
|
}
|
|
}
|
|
$result->toc .= "\t</ul>\n";
|
|
if ($scorm->hidetoc == 0) {
|
|
$result->toc .= '
|
|
<script language="javascript" type="text/javascript">
|
|
<!--
|
|
function expandCollide(which,list,item) {
|
|
var nn=document.ids?true:false
|
|
var w3c=document.getElementById?true:false
|
|
var beg=nn?"document.ids.":w3c?"document.getElementById(":"document.all.";
|
|
var mid=w3c?").style":".style";
|
|
|
|
if (eval(beg+list+mid+".display") != "none") {
|
|
which.src = "'.$scormpixdir.'/plus.gif";
|
|
eval(beg+list+mid+".display=\'none\';");
|
|
new cookie("hide:SCORMitem" + item, 1, 356, "/").set();
|
|
} else {
|
|
which.src = "'.$scormpixdir.'/minus.gif";
|
|
eval(beg+list+mid+".display=\'block\';");
|
|
new cookie("hide:SCORMitem" + item, 1, -1, "/").set();
|
|
}
|
|
}
|
|
-->
|
|
</script>'."\n";
|
|
}
|
|
|
|
$url = $CFG->wwwroot.'/mod/scorm/player.php?a='.$scorm->id.'&currentorg='.$currentorg.$modestr.'&scoid=';
|
|
$result->tocmenu = popup_form($url,$tocmenus, "tocmenu", $sco->id, '', '', '', true);
|
|
|
|
return $result;
|
|
}
|
|
|
|
function scorm_get_last_attempt($scormid, $userid) {
|
|
/// Find the last attempt number for the given user id and scorm id
|
|
if ($lastattempt = get_record('scorm_scoes_track', 'userid', $userid, 'scormid', $scormid, '', '', 'max(attempt) as a')) {
|
|
if (empty($lastattempt->a)) {
|
|
return '1';
|
|
} else {
|
|
return $lastattempt->a;
|
|
}
|
|
}
|
|
}
|
|
|
|
function scorm_get_tracks($scoid,$userid,$attempt='') {
|
|
/// Gets all tracks of specified sco and user
|
|
global $CFG;
|
|
|
|
if (empty($attempt)) {
|
|
if ($scormid = get_field('scorm_scoes','scorm','id',$scoid)) {
|
|
$attempt = scorm_get_last_attempt($scormid,$userid);
|
|
} else {
|
|
$attempt = 1;
|
|
}
|
|
}
|
|
$attemptsql = ' AND attempt=' . $attempt;
|
|
if ($tracks = get_records_select('scorm_scoes_track',"userid=$userid AND scoid=$scoid".$attemptsql,'element ASC')) {
|
|
$usertrack->userid = $userid;
|
|
$usertrack->scoid = $scoid;
|
|
$usertrack->score_raw = '';
|
|
$usertrack->status = '';
|
|
$usertrack->total_time = '00:00:00';
|
|
$usertrack->session_time = '00:00:00';
|
|
$usertrack->timemodified = 0;
|
|
foreach ($tracks as $track) {
|
|
$element = $track->element;
|
|
$usertrack->{$element} = $track->value;
|
|
switch ($element) {
|
|
case 'cmi.core.lesson_status':
|
|
case 'cmi.completion_status':
|
|
if ($track->value == 'not attempted') {
|
|
$track->value = 'notattempted';
|
|
}
|
|
$usertrack->status = $track->value;
|
|
break;
|
|
case 'cmi.core.score.raw':
|
|
case 'cmi.score.raw':
|
|
$usertrack->score_raw = $track->value;
|
|
break;
|
|
case 'cmi.core.session_time':
|
|
case 'cmi.session_time':
|
|
$usertrack->session_time = $track->value;
|
|
break;
|
|
case 'cmi.core.total_time':
|
|
case 'cmi.total_time':
|
|
$usertrack->total_time = $track->value;
|
|
break;
|
|
}
|
|
if (isset($track->timemodified) && ($track->timemodified > $usertrack->timemodified)) {
|
|
$usertrack->timemodified = $track->timemodified;
|
|
}
|
|
}
|
|
return $usertrack;
|
|
} else {
|
|
return false;
|
|
}
|
|
}
|
|
|
|
|
|
/// Library of functions and constants for parsing packages
|
|
|
|
function scorm_parse($scorm) {
|
|
global $CFG;
|
|
|
|
// Parse scorm manifest
|
|
if ($scorm->pkgtype == 'AICC') {
|
|
$scorm->launch = scorm_parse_aicc($scorm->dir.'/'.$scorm->id,$scorm->id);
|
|
} else {
|
|
if (basename($scorm->reference) != 'imsmanifest.xml') {
|
|
$scorm->launch = scorm_parse_scorm($scorm->dir.'/'.$scorm->id,$scorm->id);
|
|
} else {
|
|
$scorm->launch = scorm_parse_scorm($CFG->dataroot.'/'.$scorm->course.'/'.dirname($scorm->reference),$scorm->id);
|
|
}
|
|
}
|
|
|
|
return $scorm->launch;
|
|
}
|
|
|
|
/**
|
|
* Take the header row of an AICC definition file
|
|
* and returns sequence of columns and a pointer to
|
|
* the sco identifier column.
|
|
*
|
|
* @param string $row AICC header row
|
|
* @param string $mastername AICC sco identifier column
|
|
* @return mixed
|
|
*/
|
|
function scorm_get_aicc_columns($row,$mastername='system_id') {
|
|
$tok = strtok(strtolower($row),"\",\n\r");
|
|
$result->columns = array();
|
|
$i=0;
|
|
while ($tok) {
|
|
if ($tok !='') {
|
|
$result->columns[] = $tok;
|
|
if ($tok == $mastername) {
|
|
$result->mastercol = $i;
|
|
}
|
|
$i++;
|
|
}
|
|
$tok = strtok("\",\n\r");
|
|
}
|
|
return $result;
|
|
}
|
|
|
|
/**
|
|
* Given a colums array return a string containing the regular
|
|
* expression to match the columns in a text row.
|
|
*
|
|
* @param array $column The header columns
|
|
* @param string $remodule The regular expression module for a single column
|
|
* @return string
|
|
*/
|
|
function scorm_forge_cols_regexp($columns,$remodule='(".*")?,') {
|
|
$regexp = '/^';
|
|
foreach ($columns as $column) {
|
|
$regexp .= $remodule;
|
|
}
|
|
if (substr($regexp,-1) == ',') {
|
|
$regexp = substr($regexp,0,-1);
|
|
}
|
|
$regexp .= '/';
|
|
return $regexp;
|
|
}
|
|
|
|
function scorm_parse_aicc($pkgdir,$scormid){
|
|
$version = 'AICC';
|
|
$ids = array();
|
|
$courses = array();
|
|
if ($handle = opendir($pkgdir)) {
|
|
while (($file = readdir($handle)) !== false) {
|
|
$ext = substr($file,strrpos($file,'.'));
|
|
$extension = strtolower(substr($ext,1));
|
|
$id = strtolower(basename($file,$ext));
|
|
$ids[$id]->$extension = $file;
|
|
}
|
|
closedir($handle);
|
|
}
|
|
foreach ($ids as $courseid => $id) {
|
|
if (isset($id->crs)) {
|
|
if (is_file($pkgdir.'/'.$id->crs)) {
|
|
$rows = file($pkgdir.'/'.$id->crs);
|
|
foreach ($rows as $row) {
|
|
if (preg_match("/^(.+)=(.+)$/",$row,$matches)) {
|
|
switch (strtolower(trim($matches[1]))) {
|
|
case 'course_id':
|
|
$courses[$courseid]->id = trim($matches[2]);
|
|
break;
|
|
case 'course_title':
|
|
$courses[$courseid]->title = trim($matches[2]);
|
|
break;
|
|
case 'version':
|
|
$courses[$courseid]->version = 'AICC_'.trim($matches[2]);
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
if (isset($id->des)) {
|
|
$rows = file($pkgdir.'/'.$id->des);
|
|
$columns = scorm_get_aicc_columns($rows[0]);
|
|
$regexp = scorm_forge_cols_regexp($columns->columns);
|
|
for ($i=1;$i<count($rows);$i++) {
|
|
if (preg_match($regexp,$rows[$i],$matches)) {
|
|
for ($j=0;$j<count($matches)-1;$j++) {
|
|
$column = $columns->columns[$j];
|
|
$courses[$courseid]->elements[substr(trim($matches[$columns->mastercol+1]),1,-1)]->$column = substr(trim($matches[$j+1]),1,-1);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
if (isset($id->au)) {
|
|
$rows = file($pkgdir.'/'.$id->au);
|
|
$columns = scorm_get_aicc_columns($rows[0]);
|
|
$regexp = scorm_forge_cols_regexp($columns->columns);
|
|
for ($i=1;$i<count($rows);$i++) {
|
|
if (preg_match($regexp,$rows[$i],$matches)) {
|
|
for ($j=0;$j<count($matches)-1;$j++) {
|
|
$column = $columns->columns[$j];
|
|
$courses[$courseid]->elements[substr(trim($matches[$columns->mastercol+1]),1,-1)]->$column = substr(trim($matches[$j+1]),1,-1);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
if (isset($id->cst)) {
|
|
$rows = file($pkgdir.'/'.$id->cst);
|
|
$columns = scorm_get_aicc_columns($rows[0],'block');
|
|
$regexp = scorm_forge_cols_regexp($columns->columns,'("[\w]+")?,?');
|
|
for ($i=1;$i<count($rows);$i++) {
|
|
if (preg_match($regexp,$rows[$i],$matches)) {
|
|
for ($j=0;$j<count($matches)-1;$j++) {
|
|
if ($j != $columns->mastercol) {
|
|
$courses[$courseid]->elements[substr(trim($matches[$j+1]),1,-1)]->parent = substr(trim($matches[$columns->mastercol+1]),1,-1);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
if (isset($id->ort)) {
|
|
$rows = file($pkgdir.'/'.$id->ort);
|
|
}
|
|
if (isset($id->pre)) {
|
|
$rows = file($pkgdir.'/'.$id->pre);
|
|
$columns = scorm_get_aicc_columns($rows[0],'structure_element');
|
|
$regexp = scorm_forge_cols_regexp($columns->columns,'(.+),');
|
|
for ($i=1;$i<count($rows);$i++) {
|
|
if (preg_match($regexp,$rows[$i],$matches)) {
|
|
$courses[$courseid]->elements[$columns->mastercol+1]->prerequisites = substr(trim($matches[1-$columns->mastercol+1]),1,-1);
|
|
}
|
|
}
|
|
}
|
|
if (isset($id->cmp)) {
|
|
$rows = file($pkgdir.'/'.$id->cmp);
|
|
}
|
|
}
|
|
//print_r($courses);
|
|
$launch = 0;
|
|
if (isset($courses)) {
|
|
foreach ($courses as $course) {
|
|
unset($sco);
|
|
$sco->identifier = $course->id;
|
|
$sco->scorm = $scormid;
|
|
$sco->organization = '';
|
|
$sco->title = $course->title;
|
|
$sco->parent = '/';
|
|
$sco->launch = '';
|
|
$sco->scormtype = '';
|
|
//print_r($sco);
|
|
$id = insert_record('scorm_scoes',$sco);
|
|
if ($launch == 0) {
|
|
$launch = $id;
|
|
}
|
|
if (isset($course->elements)) {
|
|
foreach($course->elements as $element) {
|
|
unset($sco);
|
|
$sco->identifier = $element->system_id;
|
|
$sco->scorm = $scormid;
|
|
$sco->organization = $course->id;
|
|
$sco->title = $element->title;
|
|
if (strtolower($element->parent) == 'root') {
|
|
$sco->parent = '/';
|
|
} else {
|
|
$sco->parent = $element->parent;
|
|
}
|
|
if (isset($element->file_name)) {
|
|
$sco->launch = $element->file_name;
|
|
$sco->scormtype = 'sco';
|
|
} else {
|
|
$element->file_name = '';
|
|
$sco->scormtype = '';
|
|
}
|
|
if (!isset($element->prerequisites)) {
|
|
$element->prerequisites = '';
|
|
}
|
|
$sco->prerequisites = $element->prerequisites;
|
|
if (!isset($element->max_time_allowed)) {
|
|
$element->max_time_allowed = '';
|
|
}
|
|
$sco->maxtimeallowed = $element->max_time_allowed;
|
|
if (!isset($element->time_limit_action)) {
|
|
$element->time_limit_action = '';
|
|
}
|
|
$sco->timelimitaction = $element->time_limit_action;
|
|
if (!isset($element->mastery_score)) {
|
|
$element->mastery_score = '';
|
|
}
|
|
$sco->masteryscore = $element->mastery_score;
|
|
$sco->previous = 0;
|
|
$sco->next = 0;
|
|
$id = insert_record('scorm_scoes',$sco);
|
|
if ($launch==0) {
|
|
$launch = $id;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
set_field('scorm','version','AICC','id',$scormid);
|
|
return $launch;
|
|
}
|
|
|
|
function scorm_get_resources($blocks) {
|
|
foreach ($blocks as $block) {
|
|
if ($block['name'] == 'RESOURCES') {
|
|
foreach ($block['children'] as $resource) {
|
|
if ($resource['name'] == 'RESOURCE') {
|
|
$resources[addslashes($resource['attrs']['IDENTIFIER'])] = $resource['attrs'];
|
|
}
|
|
}
|
|
}
|
|
}
|
|
return $resources;
|
|
}
|
|
|
|
function scorm_get_manifest($blocks,$scoes) {
|
|
static $parents = array();
|
|
static $resources;
|
|
|
|
static $manifest;
|
|
static $organization;
|
|
|
|
if (count($blocks) > 0) {
|
|
foreach ($blocks as $block) {
|
|
switch ($block['name']) {
|
|
case 'METADATA':
|
|
if (isset($block['children'])) {
|
|
foreach ($block['children'] as $metadata) {
|
|
if ($metadata['name'] == 'SCHEMAVERSION') {
|
|
if (empty($scoes->version)) {
|
|
if (isset($metadata['tagData']) && (preg_match("/^(1\.2)$|^(CAM )?(1\.3)$/",$metadata['tagData'],$matches))) {
|
|
$scoes->version = 'SCORM_'.$matches[count($matches)-1];
|
|
} else {
|
|
$scoes->version = 'SCORM_1.2';
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
break;
|
|
case 'MANIFEST':
|
|
$manifest = addslashes($block['attrs']['IDENTIFIER']);
|
|
$organization = '';
|
|
$resources = array();
|
|
$resources = scorm_get_resources($block['children']);
|
|
$scoes = scorm_get_manifest($block['children'],$scoes);
|
|
if (count($scoes->elements) <= 0) {
|
|
foreach ($resources as $item => $resource) {
|
|
if (!empty($resource['HREF'])) {
|
|
$sco = new stdClass();
|
|
$sco->identifier = $item;
|
|
$sco->title = $item;
|
|
$sco->parent = '/';
|
|
$sco->launch = addslashes($resource['HREF']);
|
|
$sco->scormtype = addslashes($resource['ADLCP:SCORMTYPE']);
|
|
$scoes->elements[$manifest][$organization][$item] = $sco;
|
|
}
|
|
}
|
|
}
|
|
break;
|
|
case 'ORGANIZATIONS':
|
|
if (!isset($scoes->defaultorg)) {
|
|
$scoes->defaultorg = addslashes($block['attrs']['DEFAULT']);
|
|
}
|
|
$scoes = scorm_get_manifest($block['children'],$scoes);
|
|
break;
|
|
case 'ORGANIZATION':
|
|
$identifier = addslashes($block['attrs']['IDENTIFIER']);
|
|
$organization = '';
|
|
$scoes->elements[$manifest][$organization][$identifier]->identifier = $identifier;
|
|
$scoes->elements[$manifest][$organization][$identifier]->parent = '/';
|
|
$scoes->elements[$manifest][$organization][$identifier]->launch = '';
|
|
$scoes->elements[$manifest][$organization][$identifier]->scormtype = '';
|
|
|
|
$parents = array();
|
|
$parent = new stdClass();
|
|
$parent->identifier = $identifier;
|
|
$parent->organization = $organization;
|
|
array_push($parents, $parent);
|
|
$organization = $identifier;
|
|
|
|
$scoes = scorm_get_manifest($block['children'],$scoes);
|
|
|
|
array_pop($parents);
|
|
break;
|
|
case 'ITEM':
|
|
$parent = array_pop($parents);
|
|
array_push($parents, $parent);
|
|
|
|
$identifier = addslashes($block['attrs']['IDENTIFIER']);
|
|
$scoes->elements[$manifest][$organization][$identifier]->identifier = $identifier;
|
|
$scoes->elements[$manifest][$organization][$identifier]->parent = $parent->identifier;
|
|
if (!isset($block['attrs']['ISVISIBLE'])) {
|
|
$block['attrs']['ISVISIBLE'] = 'true';
|
|
}
|
|
$scoes->elements[$manifest][$organization][$identifier]->isvisible = addslashes($block['attrs']['ISVISIBLE']);
|
|
if (!isset($block['attrs']['PARAMETERS'])) {
|
|
$block['attrs']['PARAMETERS'] = '';
|
|
}
|
|
$scoes->elements[$manifest][$organization][$identifier]->parameters = addslashes($block['attrs']['PARAMETERS']);
|
|
if (!isset($block['attrs']['IDENTIFIERREF'])) {
|
|
$scoes->elements[$manifest][$organization][$identifier]->launch = '';
|
|
$scoes->elements[$manifest][$organization][$identifier]->scormtype = 'asset';
|
|
} else {
|
|
$idref = addslashes($block['attrs']['IDENTIFIERREF']);
|
|
$base = '';
|
|
if (isset($resources[$idref]['XML:BASE'])) {
|
|
$base = $resources[$idref]['XML:BASE'];
|
|
}
|
|
$scoes->elements[$manifest][$organization][$identifier]->launch = addslashes($base.$resources[$idref]['HREF']);
|
|
if (empty($resources[$idref]['ADLCP:SCORMTYPE'])) {
|
|
$resources[$idref]['ADLCP:SCORMTYPE'] = 'asset';
|
|
}
|
|
$scoes->elements[$manifest][$organization][$identifier]->scormtype = addslashes($resources[$idref]['ADLCP:SCORMTYPE']);
|
|
}
|
|
|
|
$parent = new stdClass();
|
|
$parent->identifier = $identifier;
|
|
$parent->organization = $organization;
|
|
array_push($parents, $parent);
|
|
|
|
$scoes = scorm_get_manifest($block['children'],$scoes);
|
|
|
|
array_pop($parents);
|
|
break;
|
|
case 'TITLE':
|
|
$parent = array_pop($parents);
|
|
array_push($parents, $parent);
|
|
if (!isset($block['tagData'])) {
|
|
$block['tagData'] = '';
|
|
}
|
|
$scoes->elements[$manifest][$parent->organization][$parent->identifier]->title = addslashes($block['tagData']);
|
|
break;
|
|
case 'ADLCP:PREREQUISITES':
|
|
if ($block['attrs']['TYPE'] == 'aicc_script') {
|
|
$parent = array_pop($parents);
|
|
array_push($parents, $parent);
|
|
if (!isset($block['tagData'])) {
|
|
$block['tagData'] = '';
|
|
}
|
|
$scoes->elements[$manifest][$parent->organization][$parent->identifier]->prerequisites = addslashes($block['tagData']);
|
|
}
|
|
break;
|
|
case 'ADLCP:MAXTIMEALLOWED':
|
|
$parent = array_pop($parents);
|
|
array_push($parents, $parent);
|
|
if (!isset($block['tagData'])) {
|
|
$block['tagData'] = '';
|
|
}
|
|
$scoes->elements[$manifest][$parent->organization][$parent->identifier]->maxtimeallowed = addslashes($block['tagData']);
|
|
break;
|
|
case 'ADLCP:TIMELIMITACTION':
|
|
$parent = array_pop($parents);
|
|
array_push($parents, $parent);
|
|
if (!isset($block['tagData'])) {
|
|
$block['tagData'] = '';
|
|
}
|
|
$scoes->elements[$manifest][$parent->organization][$parent->identifier]->timelimitaction = addslashes($block['tagData']);
|
|
break;
|
|
case 'ADLCP:DATAFROMLMS':
|
|
$parent = array_pop($parents);
|
|
array_push($parents, $parent);
|
|
if (!isset($block['tagData'])) {
|
|
$block['tagData'] = '';
|
|
}
|
|
$scoes->elements[$manifest][$parent->organization][$parent->identifier]->datafromlms = addslashes($block['tagData']);
|
|
break;
|
|
case 'ADLCP:MASTERYSCORE':
|
|
$parent = array_pop($parents);
|
|
array_push($parents, $parent);
|
|
if (!isset($block['tagData'])) {
|
|
$block['tagData'] = '';
|
|
}
|
|
$scoes->elements[$manifest][$parent->organization][$parent->identifier]->masteryscore = addslashes($block['tagData']);
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
return $scoes;
|
|
}
|
|
|
|
function scorm_parse_scorm($pkgdir,$scormid) {
|
|
global $CFG;
|
|
|
|
$launch = 0;
|
|
$manifestfile = $pkgdir.'/imsmanifest.xml';
|
|
|
|
if (is_file($manifestfile)) {
|
|
|
|
$xmlstring = file_get_contents($manifestfile);
|
|
$objXML = new xml2Array();
|
|
$manifests = $objXML->parse($xmlstring);
|
|
|
|
$scoes = new stdClass();
|
|
$scoes->version = '';
|
|
$scoes = scorm_get_manifest($manifests,$scoes);
|
|
|
|
if (count($scoes->elements) > 0) {
|
|
foreach ($scoes->elements as $manifest => $organizations) {
|
|
foreach ($organizations as $organization => $items) {
|
|
foreach ($items as $identifier => $item) {
|
|
$item->scorm = $scormid;
|
|
$item->manifest = $manifest;
|
|
$item->organization = $organization;
|
|
$id = insert_record('scorm_scoes',$item);
|
|
|
|
if (($launch == 0) && ((empty($scoes->defaultorg)) || ($scoes->defaultorg == $identifier))) {
|
|
$launch = $id;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
set_field('scorm','version',$scoes->version,'id',$scormid);
|
|
}
|
|
}
|
|
|
|
return $launch;
|
|
}
|
|
|
|
function scorm_course_format_display($user,$course) {
|
|
global $CFG;
|
|
|
|
$strupdate = get_string('update');
|
|
$strmodule = get_string('modulename','scorm');
|
|
|
|
echo '<div class="mod-scorm">';
|
|
if ($scorms = get_all_instances_in_course('scorm', $course)) {
|
|
// The module SCORM activity with the least id is the course
|
|
$scorm = current($scorms);
|
|
if (! $cm = get_coursemodule_from_instance('scorm', $scorm->id, $course->id)) {
|
|
error("Course Module ID was incorrect");
|
|
}
|
|
$colspan = '';
|
|
$headertext = '<table width="100%"><tr><td class="title">'.get_string('name').': <b>'.format_string($scorm->name).'</b>';
|
|
if (isteacher($course->id, $user->id, true)) {
|
|
if (isediting($course->id)) {
|
|
// Display update icon
|
|
$path = $CFG->wwwroot.'/course';
|
|
$headertext .= '<span class="commands">'.
|
|
'<a title="'.$strupdate.'" href="'.$path.'/mod.php?update='.$cm->id.'&sesskey='.sesskey().'">'.
|
|
'<img src="'.$CFG->pixpath.'/t/edit.gif" hspace="2" height="11" width="11" border="0" alt="'.$strupdate.'" /></a></span>';
|
|
}
|
|
$headertext .= '</td>';
|
|
// Display report link
|
|
$trackedusers = get_record('scorm_scoes_track', 'scormid', $scorm->id, '', '', '', '', 'count(distinct(userid)) as c');
|
|
if ($trackedusers->c > 0) {
|
|
$headertext .= '<td class="reportlink">'.
|
|
'<a target="'.$CFG->framename.'" href="'.$CFG->wwwroot.'/mod/scorm/report.php?id='.$cm->id.'">'.
|
|
get_string('viewallreports','scorm',$trackedusers->c).'</a>';
|
|
} else {
|
|
$headertext .= '<td class="reportlink">'.get_string('noreports','scorm');
|
|
}
|
|
$colspan = ' colspan="2"';
|
|
}
|
|
$headertext .= '</td></tr><tr><td'.$colspan.'>'.format_text(get_string('summary').':<br />'.$scorm->summary).'</td></tr></table>';
|
|
print_simple_box($headertext,'','100%');
|
|
scorm_view_display($user, $scorm, 'view.php?id='.$course->id, $cm, '100%');
|
|
} else {
|
|
if (isteacheredit($course->id, $user->id)) {
|
|
// Create a new activity
|
|
redirect('mod.php?id='.$course->id.'&section=0&sesskey='.sesskey().'&add=scorm');
|
|
} else {
|
|
notify('Could not find a scorm course here');
|
|
}
|
|
}
|
|
echo '</div>';
|
|
}
|
|
|
|
function scorm_view_display ($user, $scorm, $action, $cm, $blockwidth='') {
|
|
global $CFG;
|
|
|
|
$organization = optional_param('organization', '', PARAM_INT);
|
|
|
|
print_simple_box_start('center',$blockwidth);
|
|
?>
|
|
<div class="structurehead"><?php print_string('coursestruct','scorm') ?></div>
|
|
<?php
|
|
if (empty($organization)) {
|
|
$organization = $scorm->launch;
|
|
}
|
|
if ($orgs = get_records_select_menu('scorm_scoes',"scorm='$scorm->id' AND organization='' AND launch=''",'id','id,title')) {
|
|
if (count($orgs) > 1) {
|
|
?>
|
|
<div class='center'>
|
|
<?php print_string('organizations','scorm') ?>
|
|
<form name='changeorg' method='post' action='<?php echo $action ?>'>
|
|
<?php choose_from_menu($orgs, 'organization', "$organization", '','submit()') ?>
|
|
</form>
|
|
</div>
|
|
<?php
|
|
}
|
|
}
|
|
$orgidentifier = '';
|
|
if ($org = get_record('scorm_scoes','id',$organization)) {
|
|
if (($org->organization == '') && ($org->launch == '')) {
|
|
$orgidentifier = $org->identifier;
|
|
} else {
|
|
$orgidentifier = $org->organization;
|
|
}
|
|
}
|
|
$result = scorm_get_toc($user,$scorm,'structlist',$orgidentifier);
|
|
$incomplete = $result->incomplete;
|
|
echo $result->toc;
|
|
print_simple_box_end();
|
|
?>
|
|
<div class="center">
|
|
<form name="theform" method="post" action="<?php echo $CFG->wwwroot ?>/mod/scorm/player.php?id=<?php echo $cm->id ?>"<?php echo $scorm->popup == 1?' target="newwin"':'' ?>>
|
|
<?php
|
|
if ($scorm->hidebrowse == 0) {
|
|
print_string("mode","scorm");
|
|
echo ': <input type="radio" id="b" name="mode" value="browse" /><label for="b">'.get_string('browse','scorm').'</label>'."\n";
|
|
if ($incomplete === true) {
|
|
echo '<input type="radio" id="n" name="mode" value="normal" checked="checked" /><label for="n">'.get_string('normal','scorm')."</label>\n";
|
|
} else {
|
|
echo '<input type="radio" id="r" name="mode" value="review" checked="checked" /><label for="r">'.get_string('review','scorm')."</label>\n";
|
|
}
|
|
} else {
|
|
if ($incomplete === true) {
|
|
echo '<input type="hidden" name="mode" value="normal" />'."\n";
|
|
} else {
|
|
echo '<input type="hidden" name="mode" value="review" />'."\n";
|
|
}
|
|
}
|
|
if (($incomplete === false) && (($result->attemptleft > 0)||($scorm->maxattempt == 0))) {
|
|
?>
|
|
<br />
|
|
<input type="checkbox" id="a" name="newattempt" />
|
|
<label for="a"><?php print_string('newattempt','scorm') ?></label>
|
|
<?php
|
|
}
|
|
?>
|
|
<br />
|
|
<input type="hidden" name="scoid" />
|
|
<input type="hidden" name="currentorg" value="<?php echo $orgidentifier ?>" />
|
|
<input type="submit" value="<?php print_string('entercourse','scorm') ?>" />
|
|
</form>
|
|
</div>
|
|
<?php
|
|
}
|
|
|
|
|
|
function scorm_repeater($what, $times) {
|
|
if ($times <= 0) {
|
|
return null;
|
|
}
|
|
$return = '';
|
|
for ($i=0; $i<$times;$i++) {
|
|
$return .= $what;
|
|
}
|
|
return $return;
|
|
}
|
|
|
|
/**
|
|
* Convert a utf-8 string to html entities
|
|
*
|
|
* @param string $str The UTF-8 string
|
|
* @return string
|
|
*/
|
|
function scorm_utf8_to_entities($str) {
|
|
global $CFG;
|
|
|
|
$entities = '';
|
|
$values = array();
|
|
$lookingfor = 1;
|
|
|
|
if (empty($CFG->unicodedb)) { // If Unicode DB support enable does not convert string
|
|
$textlib = textlib_get_instance();
|
|
for ($i = 0; $i < $textlib->strlen($str,'utf-8'); $i++) {
|
|
$thisvalue = ord($str[$i]);
|
|
if ($thisvalue < 128) {
|
|
$entities .= $str[$i]; // Leave ASCII chars unchanged
|
|
} else {
|
|
if (count($values) == 0) {
|
|
$lookingfor = ($thisvalue < 224) ? 2 : 3;
|
|
}
|
|
$values[] = $thisvalue;
|
|
if (count($values) == $lookingfor) {
|
|
$number = ($lookingfor == 3) ?
|
|
(($values[0] % 16) * 4096) + (($values[1] % 64) * 64) + ($values[2] % 64):
|
|
(($values[0] % 32) * 64) + ($values[1] % 64);
|
|
$entities .= '&#' . $number . ';';
|
|
$values = array();
|
|
$lookingfor = 1;
|
|
}
|
|
}
|
|
}
|
|
return $entities;
|
|
} else {
|
|
return $str;
|
|
}
|
|
}
|
|
|
|
/* Usage
|
|
Grab some XML data, either from a file, URL, etc. however you want. Assume storage in $strYourXML;
|
|
|
|
$objXML = new xml2Array();
|
|
$arrOutput = $objXML->parse($strYourXML);
|
|
print_r($arrOutput); //print it out, or do whatever!
|
|
|
|
*/
|
|
class xml2Array {
|
|
|
|
var $arrOutput = array();
|
|
var $resParser;
|
|
var $strXmlData;
|
|
|
|
/**
|
|
* Parse an XML text string and create an array tree that rapresent the XML structure
|
|
*
|
|
* @param string $strInputXML The XML string
|
|
* @return array
|
|
*/
|
|
function parse($strInputXML) {
|
|
/*if (($start = strpos($strInputXML,'encoding=')) !== false) {
|
|
$endchr = substr($strInputXML,$start+9,1);
|
|
if (($end = strpos($strInputXML,$endchr,$start+10)) !== false) {
|
|
$charset = strtolower(substr($strInputXML,$start+10,$end-$start-10));
|
|
if ($charset != 'utf-8') {
|
|
$strInputXML = str_ireplace('encoding='.$endchr.$charset.$endchr,'encoding='.$endchr.'UTF-8'.$endchr,$strInputXML);
|
|
$textlib = textlib_get_instance();
|
|
}
|
|
}
|
|
}*/
|
|
$this->resParser = xml_parser_create ('UTF-8');
|
|
xml_set_object($this->resParser,$this);
|
|
xml_set_element_handler($this->resParser, "tagOpen", "tagClosed");
|
|
|
|
xml_set_character_data_handler($this->resParser, "tagData");
|
|
|
|
$this->strXmlData = xml_parse($this->resParser,$strInputXML );
|
|
if(!$this->strXmlData) {
|
|
die(sprintf("XML error: %s at line %d",
|
|
xml_error_string(xml_get_error_code($this->resParser)),
|
|
xml_get_current_line_number($this->resParser)));
|
|
}
|
|
|
|
xml_parser_free($this->resParser);
|
|
|
|
return $this->arrOutput;
|
|
}
|
|
|
|
function tagOpen($parser, $name, $attrs) {
|
|
$tag=array("name"=>$name,"attrs"=>$attrs);
|
|
array_push($this->arrOutput,$tag);
|
|
}
|
|
|
|
function tagData($parser, $tagData) {
|
|
if(trim($tagData)) {
|
|
if(isset($this->arrOutput[count($this->arrOutput)-1]['tagData'])) {
|
|
$this->arrOutput[count($this->arrOutput)-1]['tagData'] .= scorm_utf8_to_entities($tagData);
|
|
} else {
|
|
$this->arrOutput[count($this->arrOutput)-1]['tagData'] = scorm_utf8_to_entities($tagData);
|
|
}
|
|
}
|
|
}
|
|
|
|
function tagClosed($parser, $name) {
|
|
$this->arrOutput[count($this->arrOutput)-2]['children'][] = $this->arrOutput[count($this->arrOutput)-1];
|
|
array_pop($this->arrOutput);
|
|
}
|
|
}
|
|
?>
|