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<?php
// This file is part of Moodle - http://moodle.org/
//
// Moodle is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// Moodle is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with Moodle. If not, see <http://www.gnu.org/licenses/>.
/**
* @package backup-convert
* @copyright 2011 Darko Miletic <dmiletic@moodlerooms.com>
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
require_once 'cc_general.php';
class page11_resurce_file extends general_cc_file {
protected $rootns = 'xmlns';
protected $rootname = 'html';
protected $ccnamespaces = array('xmlns' => 'http://www.w3.org/1999/xhtml');
protected $content = null;
protected $title = null;
protected $intro = null;
public function set_content($value) {
$this->content = $value;
}
public function set_title($value) {
$this->title = self::safexml($value);
}
public function set_intro($value) {
$this->intro = self::safexml(strip_tags($value));
}
protected function on_create() {
$impl = new DOMImplementation();
$dtd = $impl->createDocumentType( 'html',
'-//W3C//DTD XHTML 1.0 Strict//EN',
'http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd');
$doc = $impl->createDocument($this->ccnamespaces[$this->rootns], null, $dtd);
$doc->formatOutput = true;
$doc->preserveWhiteSpace = true;
$this->doc = $doc;
parent::on_create();
}
public function on_save() {
$rns = $this->ccnamespaces[$this->rootns];
//Add the basic tags
$head = $this->append_new_element_ns($this->root, $rns, 'head');
$this->append_new_attribute_ns($head, $rns, 'profile', 'http://dublincore.org/documents/dc-html/');
//Linking Dublin Core Metadata 1.1
$link_dc = $this->append_new_element_ns($head, $rns, 'link');
$this->append_new_attribute_ns($link_dc, $rns, 'rel', 'schema.DC');
$this->append_new_attribute_ns($link_dc, $rns, 'href', 'http://purl.org/dc/elements/1.1/');
$link_dcterms = $this->append_new_element_ns($head, $rns, 'link');
$this->append_new_attribute_ns($link_dcterms, $rns, 'rel', 'schema.DCTERMS');
$this->append_new_attribute_ns($link_dcterms, $rns, 'href', 'http://purl.org/dc/terms/');
//Content type
$meta_type = $this->append_new_element_ns($head, $rns, 'meta');
$this->append_new_attribute_ns($meta_type, $rns, 'name' , 'DC.type' );
$this->append_new_attribute_ns($meta_type, $rns, 'scheme' , 'DCTERMS.DCMIType');
$this->append_new_attribute_ns($meta_type, $rns, 'content', 'Text' );
//Content description
if (!empty($this->intro)) {
$meta_description = $this->append_new_element_ns($head, $rns , 'meta' );
$this->append_new_attribute_ns($meta_description, $rns, 'name' , 'DC.description');
$this->append_new_attribute_ns($meta_description, $rns, 'content', $this->intro );
}
$meta = $this->append_new_element_ns($head, $rns, 'meta');
$this->append_new_attribute_ns($meta, $rns, 'http-equiv', 'Content-type');
$this->append_new_attribute_ns($meta, $rns, 'content', 'text/html; charset=UTF-8');
//set the title
$title = $this->append_new_element_ns($head, $rns, 'title', $this->title);
$body = $this->append_new_element_ns($this->root, $rns, 'body');
//We are unable to use DOM for embedding HTML due to numerous content errors
//Therefore we place a dummy tag that will be later replaced with the real content
$this->append_new_element_ns($body, $rns, 'div', '##REPLACE##');
return true;
}
public function saveTo($fname) {
$result = $this->on_save();
if ($result) {
$dret = str_replace('<?xml version="1.0"?>'."\n", '', $this->viewXML());
$dret = str_replace('<div>##REPLACE##</div>', $this->content, $dret);
$result = (file_put_contents($fname, $dret) !== false);
if ($result) {
$this->filename = $fname;
$this->processPath();
}
}
return $result;
}
}
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