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<?php
/**
* Handles various file locations
*/
class Loco_fs_Locations extends ArrayObject {
/**
* Singleton of WordPress root directory
* @var Loco_fs_Locations
*/
private static $roots;
/**
* Singleton of wp-content directory
* @var Loco_fs_Locations
*/
private static $conts;
/**
* Singleton of global languages directories
* @var Loco_fs_Locations
*/
private static $langs;
/**
* Singleton of registered theme paths
* @var Loco_fs_Locations
*/
private static $theme;
/**
* Singleton of registered plugin locations
* @var Loco_fs_Locations
*/
private static $plugin;
/**
* Clear static caches
*/
public static function clear(){
self::$roots = null;
self::$conts = null;
self::$langs = null;
self::$theme = null;
self::$plugin = null;
}
/**
* @return Loco_fs_Locations
*/
public static function getRoot(){
if( ! self::$roots ){
self::$roots = new Loco_fs_Locations( [
loco_constant('ABSPATH'),
] );
}
return self::$roots;
}
/**
* @return Loco_fs_Locations
*/
public static function getContent(){
if( ! self::$conts ){
self::$conts = new Loco_fs_Locations( [
loco_constant('WP_CONTENT_DIR'), // <- defined WP_CONTENT_DIR
trailingslashit(ABSPATH).'wp-content', // <- default /wp-content
] );
}
return self::$conts;
}
/**
* @deprecated Use getLang
* @return Loco_fs_Locations
*/
public static function getGlobal(){
return self::getLangs();
}
/**
* @return Loco_fs_Locations
*/
public static function getLangs(){
if( ! self::$langs ){
self::$langs = new Loco_fs_Locations( [
loco_constant('WP_LANG_DIR'),
] );
}
return self::$langs;
}
/**
* @return Loco_fs_Locations
*/
public static function getThemes(){
if( ! self::$theme ){
$roots = isset($GLOBALS['wp_theme_directories']) ? $GLOBALS['wp_theme_directories'] : [];
if( ! $roots ){
$roots[] = trailingslashit( loco_constant('WP_CONTENT_DIR') ).'themes';
}
self::$theme = new Loco_fs_Locations( $roots );
}
return self::$theme;
}
/**
* @return Loco_fs_Locations
*/
public static function getPlugins(){
if( ! self::$plugin ){
self::$plugin = new Loco_fs_Locations( [
loco_constant('WPMU_PLUGIN_DIR'),
loco_constant('WP_PLUGIN_DIR'),
] );
}
return self::$plugin;
}
/**
* Create instance from list of locations
*/
public function __construct( array $paths ){
parent::__construct( [] );
foreach( $paths as $path ){
$this->add( $path );
}
}
/**
* @param string $path normalized absolute path
* @return Loco_fs_Locations
*/
public function add( $path ){
foreach( $this->expand($path) as $path ){
// path must have trailing slash, otherwise "/plugins/foobar" would match "/plugins/foo/"
$this->offsetSet( $path, strlen($path) );
}
return $this;
}
/**
* Check if a given path begins with any of the registered ones
* @param string $path absolute path
* @return bool whether path matched
*/
public function check( $path ){
foreach( $this->expand($path) as $path ){
foreach( $this as $prefix => $length ){
if( $prefix === $path || substr($path,0,$length) === $prefix ){
return true;
}
}
}
return false;
}
/**
* Match location and return the relative subpath.
* Note that exact match is returned as "." indicating self
* @param string $path
* @return string | null
*/
public function rel( $path ){
foreach( $this->expand($path) as $path ){
foreach( $this as $prefix => $length ){
if( $prefix === $path ){
return '.';
}
if( substr($path,0,$length) === $prefix ){
return untrailingslashit( substr($path,$length) );
}
}
}
return null;
}
/**
* Like rel() but returns base directory also
* @return string[]
*/
public function split( $path ){
foreach( $this->expand($path) as $path ){
foreach( $this as $prefix => $length ){
if( $prefix === $path ){
return [$prefix,'.'];
}
if( substr($path,0,$length) === $prefix ){
return [ $prefix, untrailingslashit( substr($path,$length) ) ];
}
}
}
return null;
}
/*
* Opposite of rel, takes a relative path and constructs the first full path that exists
*
public function abs( $rel ){
foreach( $this as $prefix => $length ){
$path = realpath( $prefix.$rel );
if( $path ){
return $path;
}
}
return null;
}*/
/**
* @param string $rel
* @return string[]
*/
public function expand( $rel ){
if( '' === $rel ){
//Loco_error_AdminNotices::debug('Expanding empty path to empty array');
return [];
}
$path = Loco_fs_File::abs($rel);
if( '' === $path ){
//throw new InvalidArgumentException('Failed on abs('.var_export($rel,true).')');
return [];
}
$paths = [ trailingslashit($path) ];
// add real path if differs
$real = realpath($path);
if( $real && $real !== $path ){
$paths[] = trailingslashit($real);
}
return $paths;
}
/**
* @return string[]
*/
public function apply( $suffix = '' ){
$paths = [];
foreach( $this->getArrayCopy() as $prefix => $length ){
$paths[] = $prefix.$suffix;
}
return $paths;
}
}
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