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<?php
/**
*
* @package phpBB3
* @copyright (c) 2013 phpBB Group
* @license http://opensource.org/licenses/gpl-2.0.php GNU General Public License v2
*
*/
/**
* @ignore
*/
if (!defined('IN_PHPBB'))
{
exit;
}
class phpbb_template_asset
{
protected $components = array();
/**
* Constructor
*
* @param string $url URL
*/
public function __construct($url)
{
$this->set_url($url);
}
/**
* Set URL
*
* @param string $url URL
*/
public function set_url($url)
{
if (version_compare(PHP_VERSION, '5.4.7') < 0 && substr($url, 0, 2) === '//')
{
// Workaround for PHP 5.4.6 and older bug #62844 - add fake scheme and then remove it
$this->components = parse_url('http:' . $url);
$this->components['scheme'] = '';
return;
}
$this->components = parse_url($url);
}
/**
* Convert URL components into string
*
* @param array $components URL components
* @return string URL
*/
protected function join_url($components)
{
$path = '';
if (isset($components['scheme']))
{
$path = $components['scheme'] === '' ? '//' : $components['scheme'] . '://';
}
if (isset($components['user']) || isset($components['pass']))
{
if ($path === '' && !isset($components['port']))
{
$path = '//';
}
$path .= $components['user'];
if (isset($components['pass']))
{
$path .= ':' . $components['pass'];
}
$path .= '@';
}
if (isset($components['host']))
{
if ($path === '' && !isset($components['port']))
{
$path = '//';
}
$path .= $components['host'];
if (isset($components['port']))
{
$path .= ':' . $components['port'];
}
}
if (isset($components['path']))
{
$path .= $components['path'];
}
if (isset($components['query']))
{
$path .= '?' . $components['query'];
}
if (isset($components['fragment']))
{
$path .= '#' . $components['fragment'];
}
return $path;
}
/**
* Get URL
*
* @return string URL
*/
public function get_url()
{
return $this->join_url($this->components);
}
/**
* Checks if URL is local and relative
*
* @return boolean True if URL is local and relative
*/
public function is_relative()
{
if (empty($this->components) || !isset($this->components['path']))
{
// Invalid URL
return false;
}
return !isset($this->components['scheme']) && !isset($this->components['host']) && substr($this->components['path'], 0, 1) !== '/';
}
/**
* Get path component of current URL
*
* @return string Path
*/
public function get_path()
{
return isset($this->components['path']) ? $this->components['path'] : '';
}
/**
* Set path component
*
* @param string $path Path component
* @param boolean $urlencode If true, parts of path should be encoded with rawurlencode()
*/
public function set_path($path, $urlencode = false)
{
if ($urlencode)
{
$paths = explode('/', $path);
foreach ($paths as &$dir)
{
$dir = rawurlencode($dir);
}
$path = implode('/', $paths);
}
$this->components['path'] = $path;
}
/**
* Add assets_version parameter to URL.
* Parameter will not be added if assets_version already exists in URL
*
* @param string $version Version
*/
public function add_assets_version($version)
{
if (!isset($this->components['query']))
{
$this->components['query'] = 'assets_version=' . $version;
return;
}
$query = $this->components['query'];
if (!preg_match('/(^|[&;])assets_version=/', $query))
{
$this->components['query'] = $query . '&assets_version=' . $version;
}
}
}
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