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105 lines
5.0 KiB
105 lines
5.0 KiB
<?php
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/* For licensing terms, see /license.txt */
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/**
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* Container for the scormMetadata class, setup to hold information about the <metadata> element in imsmanifest files
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* @package chamilo.learnpath.scorm
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*/
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/**
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* scormMetadata class, handling each <metadata> element found in an imsmanifest file
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*/
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class scormMetadata {
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public $lom = '';
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public $schema = '';
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public $schemaversion = '';
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public $location = '';
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public $text = '';
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public $attribs = array();
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/**
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* Class constructor. Works in two different ways defined by the first element, being 'db' or 'manifest'.
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* If 'db', then it is built using the information available in the Chamilo database. If 'manifest', then it
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* is built using the element given as a parameter, expecting it to be a <metadata> element pointer from the
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* DOM parser.
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* @param string Type of creation required. Can be 'db' or 'manifest' (default)
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* @param mixed Depending on the type, can be the DB ID of the learnpath item or the pointer to the <metadata> element in the imsmanifest.xml file
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* @return boolean True on success, false on failure
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*/
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public function __construct($type = 'manifest', &$element) {
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if (isset($element)) {
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// Parsing using PHP5 DOMXML methods.
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switch ($type) {
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case 'db':
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// TODO: Implement this way of metadata object creation.
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return false;
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//break;
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case 'manifest': // Do the same as the default.
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$children = $element->childNodes;
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foreach ($children as $child) {
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switch ($child->nodeType) {
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case XML_ELEMENT_NODE:
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// Could be 'lom', 'schema', 'schemaversion' or 'location'.
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switch ($child->tagName) {
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case 'lom':
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$childchildren = $child->childNodes;
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foreach ($childchildren as $childchild) {
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$this->lom = $childchild->nodeValue;
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}
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break;
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case 'schema':
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$childchildren = $child->childNodes;
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foreach ($childchildren as $childchild) {
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// There is generally only one child here.
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$this->schema = $childchild->nodeValue;
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}
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break;
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case 'schemaversion':
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$childchildren = $child->childNodes;
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foreach ($childchildren as $childchild) {
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// There is generally only one child here.
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$this->schemaversion = $childchild->nodeValue;
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}
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break;
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case 'location':
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$childchildren = $child->childNodes;
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foreach ($childchildren as $childchild) {
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// There is generally only one child here.
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$this->location = $childchild->nodeValue;
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}
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break;
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}
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break;
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case XML_TEXT_NODE:
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if (trim($child->textContent) != '') {
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if (count($children == 1)) {
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// If this is the only child at this level and it is a content... save differently.
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$this->text = $child->textContent;
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} else {
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$this->text[$element->tagName] = $child->textContent;
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}
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}
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break;
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}
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}
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$attributes = $element->attributes;
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//$keep_href = '';
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if (is_array($attributes)) {
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foreach ($attributes as $attrib) {
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if (trim($attrib->value) != ''){
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$this->attribs[$attrib->name] = $attrib->value;
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}
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}
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}
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return true;
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//break;
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}
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// End parsing using PHP5 DOMXML methods.
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}
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return false;
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}
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}
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