%PDF-
%PDF-
Mini Shell
Mini Shell
<?php
/* For licensing terms, see /license.txt */
class CcEntities
{
/**
* Prepares convert for inclusion into XML.
*
* @param string $value
*
* @return string
*/
public static function safexml($value)
{
$result = htmlspecialchars(html_entity_decode($value, ENT_QUOTES, 'UTF-8'),
ENT_NOQUOTES,
'UTF-8',
false);
return $result;
}
public function loadXmlResource($path_to_file)
{
$resource = new DOMDocument();
Cc1p3Convert::logAction('Load the XML resource file: '.$path_to_file);
if (!$resource->load($path_to_file)) {
Cc1p3Convert::logAction('Cannot load the XML resource file: '.$path_to_file, false);
}
return $resource;
}
public function updateSources($html, $rootPath = '')
{
$document = $this->loadHtml($html);
$tags = ['img' => 'src', 'a' => 'href'];
foreach ($tags as $tag => $attribute) {
$elements = $document->getElementsByTagName($tag);
foreach ($elements as $element) {
$attribute_value = $element->getAttribute($attribute);
$protocol = parse_url($attribute_value, PHP_URL_SCHEME);
if (empty($protocol)) {
// The CC standard changed with the renaming of IMS Global to 1stEdTech, so we don't know what we're going to get
$attribute_value = str_replace("\$1EdTech[-_]CC[-_]FILEBASE\$", "", $attribute_value);
$attribute_value = str_replace("\$IMS[-_]CC[-_]FILEBASE\$", "", $attribute_value);
$attribute_value = $this->fullPath($rootPath."/".$attribute_value, "/");
//$attribute_value = "\$@FILEPHP@\$"."/".$attribute_value;
}
$element->setAttribute($attribute, $attribute_value);
}
}
$html = $this->htmlInsidebody($document);
return $html;
}
public function fullPath($path, $dir_sep = DIRECTORY_SEPARATOR)
{
$token = '/\$(?:IMS|1EdTech)[-_]CC[-_]FILEBASE\$/';
$path = preg_replace($token, '', $path);
if (is_string($path) && ($path != '')) {
$dot_dir = '.';
$up_dir = '..';
$length = strlen($path);
$rtemp = trim($path);
$start = strrpos($path, $dir_sep);
$can_continue = ($start !== false);
$result = $can_continue ? '' : $path;
$rcount = 0;
while ($can_continue) {
$dir_part = ($start !== false) ? substr($rtemp, $start + 1, $length - $start) : $rtemp;
$can_continue = ($dir_part !== false);
if ($can_continue) {
if ($dir_part != $dot_dir) {
if ($dir_part == $up_dir) {
$rcount++;
} else {
if ($rcount > 0) {
$rcount--;
} else {
$result = ($result == '') ? $dir_part : $dir_part.$dir_sep.$result;
}
}
}
$rtemp = substr($path, 0, $start);
$start = strrpos($rtemp, $dir_sep);
$can_continue = (($start !== false) || (strlen($rtemp) > 0));
}
}
}
return $result;
}
public function includeTitles($html)
{
$document = $this->loadHtml($html);
$images = $document->getElementsByTagName('img');
foreach ($images as $image) {
$src = $image->getAttribute('src');
$alt = $image->getAttribute('alt');
$title = $image->getAttribute('title');
$filename = pathinfo($src);
$filename = $filename['filename'];
$alt = empty($alt) ? $filename : $alt;
$title = empty($title) ? $filename : $title;
$image->setAttribute('alt', $alt);
$image->setAttribute('title', $title);
}
$html = $this->htmlInsidebody($document);
return $html;
}
public function getExternalXml($identifier)
{
$xpath = Cc1p3Convert::newxPath(Cc1p3Convert::$manifest, Cc1p3Convert::$namespaces);
$files = $xpath->query('/imscc:manifest/imscc:resources/imscc:resource[@identifier="'.
$identifier.'"]/imscc:file/@href');
if (empty($files)) {
$response = '';
} else {
$response = $files->item(0)->nodeValue;
}
return $response;
}
public function generateRandomString($length = 6)
{
$response = '';
$source = 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ';
if ($length > 0) {
$response = '';
$source = str_split($source, 1);
for ($i = 1; $i <= $length; $i++) {
$num = mt_rand(1, count($source));
$response .= $source[$num - 1];
}
}
return $response;
}
public function truncateText($text, $max, $remove_html)
{
if ($max > 10) {
$text = substr($text, 0, ($max - 6)).' [...]';
} else {
$text = substr($text, 0, $max);
}
$text = $remove_html ? strip_tags($text) : $text;
return $text;
}
protected function prepareContent($content)
{
$result = $content;
if (empty($result)) {
return '';
}
$encoding = null;
$xml_error = new LibxmlErrorsMgr();
$dom = new DOMDocument();
$dom->validateOnParse = false;
$dom->strictErrorChecking = false;
if ($dom->loadHTML($content)) {
$encoding = $dom->xmlEncoding;
}
if (empty($encoding)) {
$encoding = mb_detect_encoding($content, 'auto', true);
}
if (!empty($encoding) && !mb_check_encoding($content, 'UTF-8')) {
$result = mb_convert_encoding($content, 'UTF-8', $encoding);
}
// See if we can strip off body tag and anything outside of it.
foreach (['body', 'html'] as $tagname) {
$regex = str_replace('##', $tagname, "/<##[^>]*>(.+)<\/##>/is");
if (preg_match($regex, $result, $matches)) {
$result = $matches[1];
break;
}
}
return $result;
}
/**
* @param string $html
*
* @return DOMDocument
*/
private function loadHtml($html)
{
// Need to make sure that the html passed has charset meta tag.
$metatag = '<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />';
if (strpos($html, $metatag) === false) {
$html = '<html><head>'.$metatag.'</head><body>'.$html.'</body></html>';
}
$document = new DOMDocument();
@$document->loadHTML($html);
return $document;
}
/**
* @param DOMDocument $domdocument
*
* @return string
*/
private function htmlInsidebody($domdocument)
{
$html = '';
$bodyitems = $domdocument->getElementsByTagName('body');
if ($bodyitems->length > 0) {
$body = $bodyitems->item(0);
$html = str_ireplace(['<body>', '</body>'], '', $body->C14N());
}
return $html;
}
}
Zerion Mini Shell 1.0