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<?php
/**
*
* @package phpBB3
* @copyright (c) 2011 phpBB Group
* @license http://opensource.org/licenses/gpl-2.0.php GNU General Public License v2
*
*/
/**
* @ignore
*/
if (!defined('IN_PHPBB'))
{
exit;
}
/**
* Provides a style resource locator with core style paths and extension style paths
*
* Finds installed style paths and makes them available to the resource locator.
*
* @package phpBB3
*/
class phpbb_style_extension_path_provider extends phpbb_extension_provider implements phpbb_style_path_provider_interface
{
/**
* Optional prefix for style paths searched within extensions.
*
* Empty by default. Relative to the extension directory. As an example, it
* could be adm/ for admin style.
*
* @var string
*/
protected $ext_dir_prefix = '';
/**
* A provider of paths to be searched for styles
* @var phpbb_style_path_provider
*/
protected $base_path_provider;
/** @var string */
protected $phpbb_root_path;
/**
* Constructor stores extension manager
*
* @param phpbb_extension_manager $extension_manager phpBB extension manager
* @param phpbb_style_path_provider $base_path_provider A simple path provider
* to provide paths to be located in extensions
* @param string $phpbb_root_path phpBB root path
*/
public function __construct(phpbb_extension_manager $extension_manager, phpbb_style_path_provider $base_path_provider, $phpbb_root_path)
{
parent::__construct($extension_manager);
$this->base_path_provider = $base_path_provider;
$this->phpbb_root_path = $phpbb_root_path;
}
/**
* Sets a prefix for style paths searched within extensions.
*
* The prefix is inserted between the extension's path e.g. ext/foo/ and
* the looked up style path, e.g. styles/bar/. So it should not have a
* leading slash, but should have a trailing slash.
*
* @param string $ext_dir_prefix The prefix including trailing slash
* @return null
*/
public function set_ext_dir_prefix($ext_dir_prefix)
{
$this->ext_dir_prefix = $ext_dir_prefix;
}
/**
* Finds style paths using the extension manager
*
* Locates a path (e.g. styles/prosilver/) in all active extensions.
* Then appends the core style paths based in the current working
* directory.
*
* @return array List of style paths
*/
public function find()
{
$directories = array();
$finder = $this->extension_manager->get_finder();
foreach ($this->base_path_provider as $key => $paths)
{
if ($key == 'style')
{
foreach ($paths as $path)
{
$directories['style'][] = $path;
if ($path && !phpbb_is_absolute($path))
{
// Remove phpBB root path from the style path,
// so the finder is able to find extension styles,
// when the root path is not ./
if (strpos($path, $this->phpbb_root_path) === 0)
{
$path = substr($path, strlen($this->phpbb_root_path));
}
$result = $finder->directory('/' . $this->ext_dir_prefix . $path)
->get_directories(true, false, true);
foreach ($result as $ext => $ext_path)
{
// Make sure $ext_path has no ending slash
if (substr($ext_path, -1) === '/')
{
$ext_path = substr($ext_path, 0, -1);
}
$directories[$ext][] = $ext_path;
}
}
}
}
}
return $directories;
}
/**
* Overwrites the current style paths
*
* @param array $styles An array of style paths. The first element is the main style.
* @return null
*/
public function set_styles(array $styles)
{
$this->base_path_provider->set_styles($styles);
$this->items = null;
}
}
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