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<?php
declare(strict_types=1);
namespace Sabre\DAV\Browser;
use Sabre\Uri;
use Sabre\Xml\Service as XmlService;
/**
* This class provides a few utility functions for easily generating HTML for
* the browser plugin.
*
* @copyright Copyright (C) fruux GmbH (https://fruux.com/)
* @author Evert Pot (http://evertpot.com/)
* @license http://sabre.io/license/ Modified BSD License
*/
class HtmlOutputHelper
{
/**
* Link to the root of the application.
*
* @var string
*/
protected $baseUri;
/**
* List of xml namespaces.
*
* @var array
*/
protected $namespaceMap;
/**
* Creates the object.
*
* baseUri must point to the root of the application. This will be used to
* easily generate links.
*
* The namespaceMap contains an array with the list of xml namespaces and
* their prefixes. WebDAV uses a lot of XML with complex namespaces, so
* that can be used to make output a lot shorter.
*
* @param string $baseUri
* @param array $namespaceMap
*/
public function __construct($baseUri, array $namespaceMap)
{
$this->baseUri = $baseUri;
$this->namespaceMap = $namespaceMap;
}
/**
* Generates a 'full' url based on a relative one.
*
* For relative urls, the base of the application is taken as the reference
* url, not the 'current url of the current request'.
*
* Absolute urls are left alone.
*
* @param string $path
*
* @return string
*/
public function fullUrl($path)
{
return Uri\resolve($this->baseUri, $path);
}
/**
* Escape string for HTML output.
*
* @param scalar $input
*
* @return string
*/
public function h($input)
{
return htmlspecialchars((string) $input, ENT_COMPAT, 'UTF-8');
}
/**
* Generates a full <a>-tag.
*
* Url is automatically expanded. If label is not specified, we re-use the
* url.
*
* @param string $url
* @param string $label
*
* @return string
*/
public function link($url, $label = null)
{
$url = $this->h($this->fullUrl($url));
return '<a href="'.$url.'">'.($label ? $this->h($label) : $url).'</a>';
}
/**
* This method takes an xml element in clark-notation, and turns it into a
* shortened version with a prefix, if it was a known namespace.
*
* @param string $element
*
* @return string
*/
public function xmlName($element)
{
list($ns, $localName) = XmlService::parseClarkNotation($element);
if (isset($this->namespaceMap[$ns])) {
$propName = $this->namespaceMap[$ns].':'.$localName;
} else {
$propName = $element;
}
return '<span title="'.$this->h($element).'">'.$this->h($propName).'</span>';
}
}
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