Current File : /home/t/r/a/tradesc/www/albanie/wp-content/plugins/loco-translate/src/fs/FileList.php
<?php
/**
* Collection of unique file references
*
* @method Loco_fs_File[] getArrayCopy
*/
class Loco_fs_FileList extends ArrayIterator implements Loco_fs_FileListInterface {
/**
* Hash map for ensuring files only added once
* @var array
*/
private $unique = [];
/**
* Construct with initial list if files
* @param Loco_fs_File[] $a
*/
public function __construct( $a = [] ){
parent::__construct();
foreach( $a as $file ){
$this->add( $file );
}
}
/**
* Use instead of clone because that does weird things to ArrayIterator instances.
* Note that this does NOT clone individual file members.
* @return Loco_fs_FileList
*/
public function copy(){
return new Loco_fs_FileList( $this->getArrayCopy() );
}
/**
* Like getArrayCopy, but exports string paths
* @return array
*/
public function export(){
$a = [];
foreach( $this as $file ){
$a[] = (string) $file;
}
return $a;
}
/**
* @internal
* @return string
*/
public function __toString(){
return implode( "\n", $this->getArrayCopy() );
}
/**
* Generate a unique key for file
* @param Loco_fs_File $file
* @return string
*/
private function hash( Loco_fs_File $file ){
return $file->getRealPath() ?: $file->normalize();
}
/**
* {@inheritDoc}
*/
#[ReturnTypeWillChange]
public function offsetSet( $key, $value ){
throw new Exception('Use Loco_fs_FileList::add');
}
/**
* {@inheritDoc}
*/
public function add( Loco_fs_File $file ){
$hash = $this->hash( $file );
if( isset($this->unique[$hash]) ){
return false;
}
$this->unique[$hash] = true;
parent::offsetSet( null, $file );
return true;
}
/**
* Check if given file is already in list
* @param Loco_fs_File $file
* @return bool
*/
public function has( Loco_fs_File $file ){
$hash = $this->hash( $file );
return isset($this->unique[$hash]);
}
/**
* Get a copy of list with only files not contained in passed list
* @param self $not_in
* @return self
*/
public function diff( Loco_fs_FileList $not_in ){
$list = new Loco_fs_FileList;
foreach( $this as $file ){
$not_in->has($file) || $list->add( $file );
}
return $list;
}
/**
* Merge another list of the SAME TYPE uniquely on top of current one
* @param self $list
* @return self
*/
public function augment( loco_fs_FileList $list ){
foreach( $list as $file ){
$this->add( $file );
}
return $this;
}
}
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