mirror of
https://github.com/YunoHost-Apps/phpbb_ynh.git
synced 2024-09-03 19:56:36 +02:00
547 lines
15 KiB
PHP
547 lines
15 KiB
PHP
<?php
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/**
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*
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* This file is part of the phpBB Forum Software package.
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*
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* @copyright (c) phpBB Limited <https://www.phpbb.com>
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* @license GNU General Public License, version 2 (GPL-2.0)
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*
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* For full copyright and license information, please see
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* the docs/CREDITS.txt file.
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*
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*/
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namespace phpbb;
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/**
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* The finder provides a simple way to locate files in the core and a set of extensions
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*/
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class finder
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{
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protected $extensions;
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protected $filesystem;
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protected $phpbb_root_path;
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protected $cache;
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protected $php_ext;
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/**
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* The cache variable name used to store $this->cached_queries in $this->cache.
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*
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* Allows the use of multiple differently configured finders with the same cache.
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* @var string
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*/
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protected $cache_name;
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/**
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* An associative array, containing all search parameters set in methods.
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* @var array
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*/
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protected $query;
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/**
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* A map from md5 hashes of serialized queries to their previously retrieved
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* results.
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* @var array
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*/
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protected $cached_queries;
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/**
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* Creates a new finder instance with its dependencies
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*
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* @param \phpbb\filesystem $filesystem Filesystem instance
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* @param string $phpbb_root_path Path to the phpbb root directory
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* @param \phpbb\cache\driver\driver_interface $cache A cache instance or null
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* @param string $php_ext php file extension
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* @param string $cache_name The name of the cache variable, defaults to
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* _ext_finder
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*/
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public function __construct(\phpbb\filesystem $filesystem, $phpbb_root_path = '', \phpbb\cache\driver\driver_interface $cache = null, $php_ext = 'php', $cache_name = '_ext_finder')
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{
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$this->filesystem = $filesystem;
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$this->phpbb_root_path = $phpbb_root_path;
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$this->cache = $cache;
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$this->php_ext = $php_ext;
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$this->cache_name = $cache_name;
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$this->query = array(
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'core_path' => false,
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'core_suffix' => false,
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'core_prefix' => false,
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'core_directory' => false,
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'extension_suffix' => false,
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'extension_prefix' => false,
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'extension_directory' => false,
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);
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$this->extensions = array();
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$this->cached_queries = ($this->cache) ? $this->cache->get($this->cache_name) : false;
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}
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/**
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* Set the array of extensions
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*
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* @param array $extensions A list of extensions that should be searched aswell
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* @param bool $replace_list Should the list be emptied before adding the extensions
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* @return \phpbb\finder This object for chaining calls
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*/
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public function set_extensions(array $extensions, $replace_list = true)
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{
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if ($replace_list)
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{
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$this->extensions = array();
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}
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foreach ($extensions as $ext_name)
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{
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$this->extensions[$ext_name] = $this->phpbb_root_path . 'ext/' . $ext_name . '/';
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}
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return $this;
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}
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/**
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* Sets a core path to be searched in addition to extensions
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*
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* @param string $core_path The path relative to phpbb_root_path
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* @return \phpbb\finder This object for chaining calls
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*/
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public function core_path($core_path)
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{
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$this->query['core_path'] = $core_path;
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return $this;
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}
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/**
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* Sets the suffix all files found in extensions and core must match.
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*
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* There is no default file extension, so to find PHP files only, you will
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* have to specify .php as a suffix. However when using get_classes, the .php
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* file extension is automatically added to suffixes.
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*
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* @param string $suffix A filename suffix
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* @return \phpbb\finder This object for chaining calls
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*/
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public function suffix($suffix)
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{
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$this->core_suffix($suffix);
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$this->extension_suffix($suffix);
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return $this;
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}
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/**
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* Sets a suffix all files found in extensions must match
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*
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* There is no default file extension, so to find PHP files only, you will
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* have to specify .php as a suffix. However when using get_classes, the .php
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* file extension is automatically added to suffixes.
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*
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* @param string $extension_suffix A filename suffix
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* @return \phpbb\finder This object for chaining calls
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*/
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public function extension_suffix($extension_suffix)
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{
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$this->query['extension_suffix'] = $extension_suffix;
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return $this;
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}
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/**
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* Sets a suffix all files found in the core path must match
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*
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* There is no default file extension, so to find PHP files only, you will
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* have to specify .php as a suffix. However when using get_classes, the .php
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* file extension is automatically added to suffixes.
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*
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* @param string $core_suffix A filename suffix
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* @return \phpbb\finder This object for chaining calls
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*/
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public function core_suffix($core_suffix)
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{
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$this->query['core_suffix'] = $core_suffix;
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return $this;
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}
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/**
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* Sets the prefix all files found in extensions and core must match
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*
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* @param string $prefix A filename prefix
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* @return \phpbb\finder This object for chaining calls
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*/
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public function prefix($prefix)
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{
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$this->core_prefix($prefix);
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$this->extension_prefix($prefix);
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return $this;
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}
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/**
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* Sets a prefix all files found in extensions must match
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*
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* @param string $extension_prefix A filename prefix
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* @return \phpbb\finder This object for chaining calls
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*/
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public function extension_prefix($extension_prefix)
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{
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$this->query['extension_prefix'] = $extension_prefix;
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return $this;
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}
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/**
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* Sets a prefix all files found in the core path must match
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*
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* @param string $core_prefix A filename prefix
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* @return \phpbb\finder This object for chaining calls
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*/
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public function core_prefix($core_prefix)
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{
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$this->query['core_prefix'] = $core_prefix;
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return $this;
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}
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/**
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* Sets a directory all files found in extensions and core must be contained in
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*
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* Automatically sets the core_directory if its value does not differ from
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* the current directory.
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*
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* @param string $directory
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* @return \phpbb\finder This object for chaining calls
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*/
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public function directory($directory)
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{
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$this->core_directory($directory);
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$this->extension_directory($directory);
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return $this;
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}
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/**
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* Sets a directory all files found in extensions must be contained in
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*
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* @param string $extension_directory
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* @return \phpbb\finder This object for chaining calls
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*/
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public function extension_directory($extension_directory)
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{
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$this->query['extension_directory'] = $this->sanitise_directory($extension_directory);
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return $this;
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}
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/**
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* Sets a directory all files found in the core path must be contained in
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*
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* @param string $core_directory
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* @return \phpbb\finder This object for chaining calls
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*/
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public function core_directory($core_directory)
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{
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$this->query['core_directory'] = $this->sanitise_directory($core_directory);
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return $this;
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}
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/**
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* Removes occurances of /./ and makes sure path ends without trailing slash
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*
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* @param string $directory A directory pattern
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* @return string A cleaned up directory pattern
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*/
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protected function sanitise_directory($directory)
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{
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$directory = $this->filesystem->clean_path($directory);
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$dir_len = strlen($directory);
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if ($dir_len > 1 && $directory[$dir_len - 1] === '/')
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{
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$directory = substr($directory, 0, -1);
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}
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return $directory;
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}
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/**
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* Finds classes matching the configured options if they follow phpBB naming rules.
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*
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* The php file extension is automatically added to suffixes.
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*
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* Note: If a file is matched but contains a class name not following the
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* phpBB naming rules an incorrect class name will be returned.
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*
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* @param bool $cache Whether the result should be cached
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* @return array An array of found class names
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*/
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public function get_classes($cache = true)
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{
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$this->query['extension_suffix'] .= '.' . $this->php_ext;
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$this->query['core_suffix'] .= '.' . $this->php_ext;
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$files = $this->find($cache, false);
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return $this->get_classes_from_files($files);
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}
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/**
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* Get class names from a list of files
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*
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* @param array $files Array of files (from find())
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* @return array Array of class names
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*/
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public function get_classes_from_files($files)
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{
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$classes = array();
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foreach ($files as $file => $ext_name)
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{
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$class = substr($file, 0, -strlen('.' . $this->php_ext));
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if ($ext_name === '/' && preg_match('#^includes/#', $file))
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{
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$class = preg_replace('#^includes/#', '', $class);
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$classes[] = 'phpbb_' . str_replace('/', '_', $class);
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}
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else
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{
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$class = preg_replace('#^ext/#', '', $class);
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$classes[] = '\\' . str_replace('/', '\\', $class);
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}
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}
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return $classes;
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}
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/**
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* Finds all directories matching the configured options
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*
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* @param bool $cache Whether the result should be cached
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* @param bool $extension_keys Whether the result should have extension name as array key
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* @return array An array of paths to found directories
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*/
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public function get_directories($cache = true, $extension_keys = false)
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{
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return $this->find_with_root_path($cache, true, $extension_keys);
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}
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/**
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* Finds all files matching the configured options.
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*
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* @param bool $cache Whether the result should be cached
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* @return array An array of paths to found files
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*/
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public function get_files($cache = true)
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{
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return $this->find_with_root_path($cache, false);
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}
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/**
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* A wrapper around the general find which prepends a root path to results
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*
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* @param bool $cache Whether the result should be cached
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* @param bool $is_dir Directories will be returned when true, only files
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* otherwise
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* @param bool $extension_keys If true, result will be associative array
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* with extension name as key
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* @return array An array of paths to found items
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*/
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protected function find_with_root_path($cache = true, $is_dir = false, $extension_keys = false)
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{
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$items = $this->find($cache, $is_dir);
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$result = array();
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foreach ($items as $item => $ext_name)
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{
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if ($extension_keys)
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{
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$result[$ext_name] = $this->phpbb_root_path . $item;
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}
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else
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{
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$result[] = $this->phpbb_root_path . $item;
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}
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}
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return $result;
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}
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/**
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* Finds all file system entries matching the configured options
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*
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* @param bool $cache Whether the result should be cached
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* @param bool $is_dir Directories will be returned when true, only files
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* otherwise
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* @return array An array of paths to found items
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*/
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public function find($cache = true, $is_dir = false)
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{
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$extensions = $this->extensions;
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if ($this->query['core_path'])
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{
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$extensions['/'] = $this->phpbb_root_path . $this->query['core_path'];
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}
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$files = array();
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$file_list = $this->find_from_paths($extensions, $cache, $is_dir);
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foreach ($file_list as $file)
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{
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$files[$file['named_path']] = $file['ext_name'];
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}
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return $files;
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}
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/**
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* Finds all file system entries matching the configured options for one
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* specific extension
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*
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* @param string $extension_name Name of the extension
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* @param string $extension_path Relative path to the extension root directory
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* @param bool $cache Whether the result should be cached
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* @param bool $is_dir Directories will be returned when true, only files
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* otherwise
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* @return array An array of paths to found items
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*/
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public function find_from_extension($extension_name, $extension_path, $cache = true, $is_dir = false)
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{
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$extensions = array(
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$extension_name => $extension_path,
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);
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$files = array();
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$file_list = $this->find_from_paths($extensions, $cache, $is_dir);
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foreach ($file_list as $file)
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{
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$files[$file['named_path']] = $file['ext_name'];
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}
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return $files;
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}
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/**
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* Finds all file system entries matching the configured options from
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* an array of paths
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*
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* @param array $extensions Array of extensions (name => full relative path)
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* @param bool $cache Whether the result should be cached
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* @param bool $is_dir Directories will be returned when true, only files
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* otherwise
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* @return array An array of paths to found items
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*/
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public function find_from_paths($extensions, $cache = true, $is_dir = false)
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{
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$this->query['is_dir'] = $is_dir;
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$query = md5(serialize($this->query) . serialize($extensions));
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if (!defined('DEBUG') && $cache && isset($this->cached_queries[$query]))
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{
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return $this->cached_queries[$query];
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}
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$files = array();
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foreach ($extensions as $name => $path)
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{
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$ext_name = $name;
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if (!file_exists($path))
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{
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continue;
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}
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if ($name === '/')
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{
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$location = $this->query['core_path'];
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$name = '';
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$suffix = $this->query['core_suffix'];
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$prefix = $this->query['core_prefix'];
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$directory = $this->query['core_directory'];
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}
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else
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{
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$location = 'ext/';
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$name .= '/';
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$suffix = $this->query['extension_suffix'];
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$prefix = $this->query['extension_prefix'];
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$directory = $this->query['extension_directory'];
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}
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// match only first directory if leading slash is given
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if ($directory === '/')
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{
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$directory_pattern = '^' . preg_quote(DIRECTORY_SEPARATOR, '#');
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}
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else if ($directory && $directory[0] === '/')
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{
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if (!$is_dir)
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{
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$path .= substr($directory, 1);
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}
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$directory_pattern = '^' . preg_quote(str_replace('/', DIRECTORY_SEPARATOR, $directory) . DIRECTORY_SEPARATOR, '#');
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}
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else
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{
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$directory_pattern = preg_quote(DIRECTORY_SEPARATOR . str_replace('/', DIRECTORY_SEPARATOR, $directory) . DIRECTORY_SEPARATOR, '#');
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}
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if ($is_dir)
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{
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$directory_pattern .= '$';
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}
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$directory_pattern = '#' . $directory_pattern . '#';
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if (is_dir($path))
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{
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$iterator = new \RecursiveIteratorIterator(
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new \phpbb\recursive_dot_prefix_filter_iterator(
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new \RecursiveDirectoryIterator(
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$path,
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\FilesystemIterator::SKIP_DOTS
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)
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),
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\RecursiveIteratorIterator::SELF_FIRST
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);
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foreach ($iterator as $file_info)
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{
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$filename = $file_info->getFilename();
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if ($file_info->isDir() == $is_dir)
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{
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if ($is_dir)
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{
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$relative_path = $iterator->getInnerIterator()->getSubPath() . DIRECTORY_SEPARATOR . basename($filename) . DIRECTORY_SEPARATOR;
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if ($relative_path[0] !== DIRECTORY_SEPARATOR)
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{
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$relative_path = DIRECTORY_SEPARATOR . $relative_path;
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}
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}
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else
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{
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$relative_path = $iterator->getInnerIterator()->getSubPathname();
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if ($directory && $directory[0] === '/')
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{
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$relative_path = str_replace('/', DIRECTORY_SEPARATOR, $directory) . DIRECTORY_SEPARATOR . $relative_path;
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}
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else
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{
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$relative_path = DIRECTORY_SEPARATOR . $relative_path;
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}
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}
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if ((!$suffix || substr($relative_path, -strlen($suffix)) === $suffix) &&
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(!$prefix || substr($filename, 0, strlen($prefix)) === $prefix) &&
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(!$directory || preg_match($directory_pattern, $relative_path)))
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{
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$files[] = array(
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'named_path' => str_replace(DIRECTORY_SEPARATOR, '/', $location . $name . substr($relative_path, 1)),
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'ext_name' => $ext_name,
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'path' => str_replace(array(DIRECTORY_SEPARATOR, $this->phpbb_root_path), array('/', ''), $file_info->getPath()) . '/',
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'filename' => $filename,
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);
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}
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}
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}
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}
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}
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if ($cache && $this->cache)
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{
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$this->cached_queries[$query] = $files;
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$this->cache->put($this->cache_name, $this->cached_queries);
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}
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return $files;
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}
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}
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