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✏️ Editing: vfsStreamDirectory.php

<?php
/**
 * This file is part of vfsStream.
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 *
 * @package  org\bovigo\vfs
 */
namespace org\bovigo\vfs;
/**
 * Directory container.
 *
 * @api
 */
class vfsStreamDirectory extends vfsStreamAbstractContent implements vfsStreamContainer
{
    /**
     * list of directory children
     *
     * @type  vfsStreamContent[]
     */
    protected $children = array();

/**
     * constructor
     *
     * @param   string  $name
     * @param   int     $permissions  optional
     * @throws  vfsStreamException
     */
    public function __construct($name, $permissions = null)
    {
        if (strstr($name, '/') !== false) {
            throw new vfsStreamException('Directory name can not contain /.');
        }

$this->type = vfsStreamContent::TYPE_DIR;
        parent::__construct($name, $permissions);
    }

/**
     * returns default permissions for concrete implementation
     *
     * @return  int
     * @since   0.8.0
     */
    protected function getDefaultPermissions()
    {
        return 0777;
    }

/**
     * returns size of directory
     *
     * The size of a directory is always 0 bytes. To calculate the summarized
     * size of all children in the directory use sizeSummarized().
     *
     * @return  int
     */
    public function size()
    {
        return 0;
    }

/**
     * returns summarized size of directory and its children
     *
     * @return  int
     */
    public function sizeSummarized()
    {
        $size = 0;
        foreach ($this->children as $child) {
            if ($child->getType() === vfsStreamContent::TYPE_DIR) {
                $size += $child->sizeSummarized();
            } else {
                $size += $child->size();
            }
        }

return $size;
    }

/**
     * renames the content
     *
     * @param   string  $newName
     * @throws  vfsStreamException
     */
    public function rename($newName)
    {
        if (strstr($newName, '/') !== false) {
            throw new vfsStreamException('Directory name can not contain /.');
        }

parent::rename($newName);
    }

/**
     * sets parent path
     *
     * @param  string  $parentPath
     * @internal  only to be set by parent
     * @since   1.2.0
     */
    public function setParentPath($parentPath)
    {
        parent::setParentPath($parentPath);
        foreach ($this->children as $child) {
            $child->setParentPath($this->path());
        }
    }

/**
     * adds child to the directory
     *
     * @param  vfsStreamContent  $child
     */
    public function addChild(vfsStreamContent $child)
    {
        $child->setParentPath($this->path());
        $this->children[$child->getName()] = $child;
        $this->updateModifications();
    }

/**
     * removes child from the directory
     *
     * @param   string  $name
     * @return  bool
     */
    public function removeChild($name)
    {
        foreach ($this->children as $key => $child) {
            if ($child->appliesTo($name)) {
                $child->setParentPath(null);
                unset($this->children[$key]);
                $this->updateModifications();
                return true;
            }
        }

return false;
    }

/**
     * updates internal timestamps
     */
    protected function updateModifications()
    {
        $time = time();
        $this->lastAttributeModified = $time;
        $this->lastModified          = $time;
    }

/**
     * checks whether the container contains a child with the given name
     *
     * @param   string  $name
     * @return  bool
     */
    public function hasChild($name)
    {
        return ($this->getChild($name) !== null);
    }

/**
     * returns the child with the given name
     *
     * @param   string  $name
     * @return  vfsStreamContent
     */
    public function getChild($name)
    {
        $childName = $this->getRealChildName($name);
        foreach ($this->children as $child) {
            if ($child->getName() === $childName) {
                return $child;
            }

if ($child->appliesTo($childName) === true && $child->hasChild($childName) === true) {
                return $child->getChild($childName);
            }
        }

return null;
    }

/**
     * helper method to detect the real child name
     *
     * @param   string  $name
     * @return  string
     */
    protected function getRealChildName($name)
    {
        if ($this->appliesTo($name) === true) {
            return self::getChildName($name, $this->name);
        }

return $name;
    }

/**
     * helper method to calculate the child name
     *
     * @param   string  $name
     * @param   string  $ownName
     * @return  string
     */
    protected static function getChildName($name, $ownName)
    {
        if ($name === $ownName) {
            return $name;
        }

return substr($name, strlen($ownName) + 1);
    }

/**
     * checks whether directory contains any children
     *
     * @return  bool
     * @since   0.10.0
     */
    public function hasChildren()
    {
        return (count($this->children) > 0);
    }

/**
     * returns a list of children for this directory
     *
     * @return  vfsStreamContent[]
     */
    public function getChildren()
    {
        return array_values($this->children);
    }

/**
     * returns iterator for the children
     *
     * @return  vfsStreamContainerIterator
     */
    public function getIterator()
    {
        return new vfsStreamContainerIterator($this->children);
    }

/**
     * checks whether dir is a dot dir
     *
     * @return  bool
     */
    public function isDot()
    {
        if ('.' === $this->name || '..' === $this->name) {
            return true;
        }

return false;
    }
}

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