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<?php |
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/****************************************************************************** |
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* An iterator interface over the Leagues flysystem. |
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* Copyright (c) 2021, 2015 Richard Klees <[email protected]> |
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* |
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* This software is licensed under GPLv3. You should have received |
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* a copy of the along with the code. |
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*/ |
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namespace Lechimp\Flightcontrol; |
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/** |
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* An iterator on a directory. |
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*/ |
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class DirectoryIterator extends Iterator |
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{ |
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/** |
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* @var FixedFDirectory a |
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*/ |
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protected $directory; |
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public function __construct(FixedFDirectory $directory) |
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{ |
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$this->directory = $directory; |
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} |
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/** |
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* Iterate on the contents of the this iterator. |
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*/ |
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public function iterateOn() : Iterator |
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{ |
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return new SubIterator($this); |
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} |
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/** |
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* Get an iterator for every content in the current iterator |
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* for which the provided predicate returns true. |
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* |
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* @param \Closure $predicate (a -> Bool) |
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*/ |
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public function filter(\Closure $predicate) : Iterator |
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{ |
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return new DirectoryIterator($this->directory->filter($predicate)); |
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} |
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/** |
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* Map a function over the objects inside the iterator. |
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* |
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* @param \Closure $trans a -> b |
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*/ |
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public function map(\Closure $trans) : Iterator |
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{ |
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return new DirectoryIterator( |
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$this->directory->map($trans) |
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); |
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} |
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/** |
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* Define the function to be iterated with and close this level |
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* of iteration. |
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* |
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* @param \Closure $iteration a -> File|Directory -> a |
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* @return mixed |
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*/ |
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public function fold($start_value, $iteration) |
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{ |
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return $this->directory->fold($start_value, $iteration)->contents(); |
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} |
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} |
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lechimp-p /
flightcontrol
