nextcloud / server

lib/private/Diagnostics/EventLogger.php

Indentation +46 added lines, -46 removed lines

@@ -28,56 +28,56 @@
 use OCP\Diagnostics\IEventLogger;
 
 class EventLogger implements IEventLogger {
-	/**
-	 * @var \OC\Diagnostics\Event[]
-	 */
-	private $events = [];
+    /**
+     * @var \OC\Diagnostics\Event[]
+     */
+    private $events = [];
 	
-	/**
-	 * @var bool - Module needs to be activated by some app
-	 */
-	private $activated = false;
+    /**
+     * @var bool - Module needs to be activated by some app
+     */
+    private $activated = false;
 
-	/**
-	 * @inheritdoc
-	 */
-	public function start($id, $description) {
-		if ($this->activated) {
-			$this->events[$id] = new Event($id, $description, microtime(true));
-		}
-	}
+    /**
+     * @inheritdoc
+     */
+    public function start($id, $description) {
+        if ($this->activated) {
+            $this->events[$id] = new Event($id, $description, microtime(true));
+        }
+    }
 
-	/**
-	 * @inheritdoc
-	 */
-	public function end($id) {
-		if ($this->activated && isset($this->events[$id])) {
-			$timing = $this->events[$id];
-			$timing->end(microtime(true));
-		}
-	}
+    /**
+     * @inheritdoc
+     */
+    public function end($id) {
+        if ($this->activated && isset($this->events[$id])) {
+            $timing = $this->events[$id];
+            $timing->end(microtime(true));
+        }
+    }
 
-	/**
-	 * @inheritdoc
-	 */
-	public function log($id, $description, $start, $end) {
-		if ($this->activated) {
-			$this->events[$id] = new Event($id, $description, $start);
-			$this->events[$id]->end($end);
-		}
-	}
+    /**
+     * @inheritdoc
+     */
+    public function log($id, $description, $start, $end) {
+        if ($this->activated) {
+            $this->events[$id] = new Event($id, $description, $start);
+            $this->events[$id]->end($end);
+        }
+    }
 
-	/**
-	 * @inheritdoc
-	 */
-	public function getEvents() {
-		return $this->events;
-	}
+    /**
+     * @inheritdoc
+     */
+    public function getEvents() {
+        return $this->events;
+    }
 	
-	/**
-	 * @inheritdoc
-	 */
-	public function activate() {
-		$this->activated = true;
-	}
+    /**
+     * @inheritdoc
+     */
+    public function activate() {
+        $this->activated = true;
+    }
 }

lib/private/Cache/CappedMemoryCache.php

Indentation +62 added lines, -62 removed lines

@@ -30,66 +30,66 @@
  * Uses a simple FIFO expiry mechanism
  */
 class CappedMemoryCache implements ICache, \ArrayAccess {
-	private $capacity;
-	private $cache = [];
-
-	public function __construct($capacity = 512) {
-		$this->capacity = $capacity;
-	}
-
-	public function hasKey($key) {
-		return isset($this->cache[$key]);
-	}
-
-	public function get($key) {
-		return isset($this->cache[$key]) ? $this->cache[$key] : null;
-	}
-
-	public function set($key, $value, $ttl = 0) {
-		if (is_null($key)) {
-			$this->cache[] = $value;
-		} else {
-			$this->cache[$key] = $value;
-		}
-		$this->garbageCollect();
-	}
-
-	public function remove($key) {
-		unset($this->cache[$key]);
-		return true;
-	}
-
-	public function clear($prefix = '') {
-		$this->cache = [];
-		return true;
-	}
-
-	public function offsetExists($offset) {
-		return $this->hasKey($offset);
-	}
-
-	public function &offsetGet($offset) {
-		return $this->cache[$offset];
-	}
-
-	public function offsetSet($offset, $value) {
-		$this->set($offset, $value);
-	}
-
-	public function offsetUnset($offset) {
-		$this->remove($offset);
-	}
-
-	public function getData() {
-		return $this->cache;
-	}
-
-
-	private function garbageCollect() {
-		while (count($this->cache) > $this->capacity) {
-			reset($this->cache);
-			$key = key($this->cache);
-			$this->remove($key);
-		}
-	}
+    private $capacity;
+    private $cache = [];
+
+    public function __construct($capacity = 512) {
+        $this->capacity = $capacity;
+    }
+
+    public function hasKey($key) {
+        return isset($this->cache[$key]);
+    }
+
+    public function get($key) {
+        return isset($this->cache[$key]) ? $this->cache[$key] : null;
+    }
+
+    public function set($key, $value, $ttl = 0) {
+        if (is_null($key)) {
+            $this->cache[] = $value;
+        } else {
+            $this->cache[$key] = $value;
+        }
+        $this->garbageCollect();
+    }
+
+    public function remove($key) {
+        unset($this->cache[$key]);
+        return true;
+    }
+
+    public function clear($prefix = '') {
+        $this->cache = [];
+        return true;
+    }
+
+    public function offsetExists($offset) {
+        return $this->hasKey($offset);
+    }
+
+    public function &offsetGet($offset) {
+        return $this->cache[$offset];
+    }
+
+    public function offsetSet($offset, $value) {
+        $this->set($offset, $value);
+    }
+
+    public function offsetUnset($offset) {
+        $this->remove($offset);
+    }
+
+    public function getData() {
+        return $this->cache;
+    }
+
+
+    private function garbageCollect() {
+        while (count($this->cache) > $this->capacity) {
+            reset($this->cache);
+            $key = key($this->cache);
+            $this->remove($key);
+        }
+    }
 }

lib/private/Security/Certificate.php

Indentation +100 added lines, -100 removed lines

@@ -27,104 +27,104 @@
 use OCP\ICertificate;
 
 class Certificate implements ICertificate {
-	protected $name;
-
-	protected $commonName;
-
-	protected $organization;
-
-	protected $serial;
-
-	protected $issueDate;
-
-	protected $expireDate;
-
-	protected $issuerName;
-
-	protected $issuerOrganization;
-
-	/**
-	 * @param string $data base64 encoded certificate
-	 * @param string $name
-	 * @throws \Exception If the certificate could not get parsed
-	 */
-	public function __construct($data, $name) {
-		$this->name = $name;
-		$gmt = new \DateTimeZone('GMT');
-
-		// If string starts with "file://" ignore the certificate
-		$query = 'file://';
-		if (strtolower(substr($data, 0, strlen($query))) === $query) {
-			throw new \Exception('Certificate could not get parsed.');
-		}
-
-		$info = openssl_x509_parse($data);
-		if (!is_array($info)) {
-			throw new \Exception('Certificate could not get parsed.');
-		}
-
-		$this->commonName = isset($info['subject']['CN']) ? $info['subject']['CN'] : null;
-		$this->organization = isset($info['subject']['O']) ? $info['subject']['O'] : null;
-		$this->issueDate = new \DateTime('@' . $info['validFrom_time_t'], $gmt);
-		$this->expireDate = new \DateTime('@' . $info['validTo_time_t'], $gmt);
-		$this->issuerName = isset($info['issuer']['CN']) ? $info['issuer']['CN'] : null;
-		$this->issuerOrganization = isset($info['issuer']['O']) ? $info['issuer']['O'] : null;
-	}
-
-	/**
-	 * @return string
-	 */
-	public function getName() {
-		return $this->name;
-	}
-
-	/**
-	 * @return string|null
-	 */
-	public function getCommonName() {
-		return $this->commonName;
-	}
-
-	/**
-	 * @return string
-	 */
-	public function getOrganization() {
-		return $this->organization;
-	}
-
-	/**
-	 * @return \DateTime
-	 */
-	public function getIssueDate() {
-		return $this->issueDate;
-	}
-
-	/**
-	 * @return \DateTime
-	 */
-	public function getExpireDate() {
-		return $this->expireDate;
-	}
-
-	/**
-	 * @return bool
-	 */
-	public function isExpired() {
-		$now = new \DateTime();
-		return $this->issueDate > $now or $now > $this->expireDate;
-	}
-
-	/**
-	 * @return string|null
-	 */
-	public function getIssuerName() {
-		return $this->issuerName;
-	}
-
-	/**
-	 * @return string|null
-	 */
-	public function getIssuerOrganization() {
-		return $this->issuerOrganization;
-	}
+    protected $name;
+
+    protected $commonName;
+
+    protected $organization;
+
+    protected $serial;
+
+    protected $issueDate;
+
+    protected $expireDate;
+
+    protected $issuerName;
+
+    protected $issuerOrganization;
+
+    /**
+     * @param string $data base64 encoded certificate
+     * @param string $name
+     * @throws \Exception If the certificate could not get parsed
+     */
+    public function __construct($data, $name) {
+        $this->name = $name;
+        $gmt = new \DateTimeZone('GMT');
+
+        // If string starts with "file://" ignore the certificate
+        $query = 'file://';
+        if (strtolower(substr($data, 0, strlen($query))) === $query) {
+            throw new \Exception('Certificate could not get parsed.');
+        }
+
+        $info = openssl_x509_parse($data);
+        if (!is_array($info)) {
+            throw new \Exception('Certificate could not get parsed.');
+        }
+
+        $this->commonName = isset($info['subject']['CN']) ? $info['subject']['CN'] : null;
+        $this->organization = isset($info['subject']['O']) ? $info['subject']['O'] : null;
+        $this->issueDate = new \DateTime('@' . $info['validFrom_time_t'], $gmt);
+        $this->expireDate = new \DateTime('@' . $info['validTo_time_t'], $gmt);
+        $this->issuerName = isset($info['issuer']['CN']) ? $info['issuer']['CN'] : null;
+        $this->issuerOrganization = isset($info['issuer']['O']) ? $info['issuer']['O'] : null;
+    }
+
+    /**
+     * @return string
+     */
+    public function getName() {
+        return $this->name;
+    }
+
+    /**
+     * @return string|null
+     */
+    public function getCommonName() {
+        return $this->commonName;
+    }
+
+    /**
+     * @return string
+     */
+    public function getOrganization() {
+        return $this->organization;
+    }
+
+    /**
+     * @return \DateTime
+     */
+    public function getIssueDate() {
+        return $this->issueDate;
+    }
+
+    /**
+     * @return \DateTime
+     */
+    public function getExpireDate() {
+        return $this->expireDate;
+    }
+
+    /**
+     * @return bool
+     */
+    public function isExpired() {
+        $now = new \DateTime();
+        return $this->issueDate > $now or $now > $this->expireDate;
+    }
+
+    /**
+     * @return string|null
+     */
+    public function getIssuerName() {
+        return $this->issuerName;
+    }
+
+    /**
+     * @return string|null
+     */
+    public function getIssuerOrganization() {
+        return $this->issuerOrganization;
+    }
 }

lib/private/Encryption/Exceptions/EncryptionHeaderToLargeException.php

Indentation +3 added lines, -3 removed lines

@@ -27,7 +27,7 @@
 use OCP\Encryption\Exceptions\GenericEncryptionException;
 
 class EncryptionHeaderToLargeException extends GenericEncryptionException {
-	public function __construct() {
-		parent::__construct('max header size exceeded');
-	}
+    public function __construct() {
+        parent::__construct('max header size exceeded');
+    }
 }

lib/private/Tagging/Tag.php

Indentation +47 added lines, -47 removed lines

@@ -36,54 +36,54 @@
  * @method void setName(string $name)
  */
 class Tag extends Entity {
-	protected $owner;
-	protected $type;
-	protected $name;
+    protected $owner;
+    protected $type;
+    protected $name;
 
-	/**
-	 * Constructor.
-	 *
-	 * @param string $owner The tag's owner
-	 * @param string $type The type of item this tag is used for
-	 * @param string $name The tag's name
-	 */
-	public function __construct($owner = null, $type = null, $name = null) {
-		$this->setOwner($owner);
-		$this->setType($type);
-		$this->setName($name);
-	}
+    /**
+     * Constructor.
+     *
+     * @param string $owner The tag's owner
+     * @param string $type The type of item this tag is used for
+     * @param string $name The tag's name
+     */
+    public function __construct($owner = null, $type = null, $name = null) {
+        $this->setOwner($owner);
+        $this->setType($type);
+        $this->setName($name);
+    }
 
-	/**
-	 * Transform a database columnname to a property
-	 *
-	 * @param string $columnName the name of the column
-	 * @return string the property name
-	 * @todo migrate existing database columns to the correct names
-	 * to be able to drop this direct mapping
-	 */
-	public function columnToProperty($columnName) {
-		if ($columnName === 'category') {
-			return 'name';
-		} elseif ($columnName === 'uid') {
-			return 'owner';
-		} else {
-			return parent::columnToProperty($columnName);
-		}
-	}
+    /**
+     * Transform a database columnname to a property
+     *
+     * @param string $columnName the name of the column
+     * @return string the property name
+     * @todo migrate existing database columns to the correct names
+     * to be able to drop this direct mapping
+     */
+    public function columnToProperty($columnName) {
+        if ($columnName === 'category') {
+            return 'name';
+        } elseif ($columnName === 'uid') {
+            return 'owner';
+        } else {
+            return parent::columnToProperty($columnName);
+        }
+    }
 
-	/**
-	 * Transform a property to a database column name
-	 *
-	 * @param string $property the name of the property
-	 * @return string the column name
-	 */
-	public function propertyToColumn($property) {
-		if ($property === 'name') {
-			return 'category';
-		} elseif ($property === 'owner') {
-			return 'uid';
-		} else {
-			return parent::propertyToColumn($property);
-		}
-	}
+    /**
+     * Transform a property to a database column name
+     *
+     * @param string $property the name of the property
+     * @return string the column name
+     */
+    public function propertyToColumn($property) {
+        if ($property === 'name') {
+            return 'category';
+        } elseif ($property === 'owner') {
+            return 'uid';
+        } else {
+            return parent::propertyToColumn($property);
+        }
+    }
 }

lib/private/AppFramework/Middleware/Security/Exceptions/StrictCookieMissingException.php

Indentation +3 added lines, -3 removed lines

@@ -32,7 +32,7 @@
  * @package OC\AppFramework\Middleware\Security\Exceptions
  */
 class StrictCookieMissingException extends SecurityException {
-	public function __construct() {
-		parent::__construct('Strict Cookie has not been found in request.', Http::STATUS_PRECONDITION_FAILED);
-	}
+    public function __construct() {
+        parent::__construct('Strict Cookie has not been found in request.', Http::STATUS_PRECONDITION_FAILED);
+    }
 }

lib/private/AppFramework/OCS/V1Response.php

Indentation +41 added lines, -41 removed lines

@@ -27,52 +27,52 @@
 
 class V1Response extends BaseResponse {
 
-	/**
-	 * The V1 endpoint has very limited http status codes basically everything
-	 * is status 200 except 401
-	 *
-	 * @return int
-	 */
-	public function getStatus() {
-		$status = parent::getStatus();
-		if ($status === Http::STATUS_FORBIDDEN || $status === API::RESPOND_UNAUTHORISED) {
-			return Http::STATUS_UNAUTHORIZED;
-		}
+    /**
+     * The V1 endpoint has very limited http status codes basically everything
+     * is status 200 except 401
+     *
+     * @return int
+     */
+    public function getStatus() {
+        $status = parent::getStatus();
+        if ($status === Http::STATUS_FORBIDDEN || $status === API::RESPOND_UNAUTHORISED) {
+            return Http::STATUS_UNAUTHORIZED;
+        }
 
-		return Http::STATUS_OK;
-	}
+        return Http::STATUS_OK;
+    }
 
-	/**
-	 * In v1 all OK is 100
-	 *
-	 * @return int
-	 */
-	public function getOCSStatus() {
-		$status = parent::getOCSStatus();
+    /**
+     * In v1 all OK is 100
+     *
+     * @return int
+     */
+    public function getOCSStatus() {
+        $status = parent::getOCSStatus();
 
-		if ($status === Http::STATUS_OK) {
-			return 100;
-		}
+        if ($status === Http::STATUS_OK) {
+            return 100;
+        }
 
-		return $status;
-	}
+        return $status;
+    }
 
-	/**
-	 * Construct the meta part of the response
-	 * And then late the base class render
-	 *
-	 * @return string
-	 */
-	public function render() {
-		$meta = [
-			'status' => $this->getOCSStatus() === 100 ? 'ok' : 'failure',
-			'statuscode' => $this->getOCSStatus(),
-			'message' => $this->getOCSStatus() === 100 ? 'OK' : $this->statusMessage,
-		];
+    /**
+     * Construct the meta part of the response
+     * And then late the base class render
+     *
+     * @return string
+     */
+    public function render() {
+        $meta = [
+            'status' => $this->getOCSStatus() === 100 ? 'ok' : 'failure',
+            'statuscode' => $this->getOCSStatus(),
+            'message' => $this->getOCSStatus() === 100 ? 'OK' : $this->statusMessage,
+        ];
 
-		$meta['totalitems'] = $this->itemsCount !== null ? (string)$this->itemsCount : '';
-		$meta['itemsperpage'] = $this->itemsPerPage !== null ? (string)$this->itemsPerPage: '';
+        $meta['totalitems'] = $this->itemsCount !== null ? (string)$this->itemsCount : '';
+        $meta['itemsperpage'] = $this->itemsPerPage !== null ? (string)$this->itemsPerPage: '';
 
-		return $this->renderResult($meta);
-	}
+        return $this->renderResult($meta);
+    }
 }

lib/private/AppFramework/OCS/V2Response.php

Indentation +40 added lines, -40 removed lines

@@ -27,49 +27,49 @@
 
 class V2Response extends BaseResponse {
 
-	/**
-	 * The V2 endpoint just passes on status codes.
-	 * Of course we have to map the OCS specific codes to proper HTTP status codes
-	 *
-	 * @return int
-	 */
-	public function getStatus() {
-		$status = parent::getStatus();
-		if ($status === API::RESPOND_UNAUTHORISED) {
-			return Http::STATUS_UNAUTHORIZED;
-		} elseif ($status === API::RESPOND_NOT_FOUND) {
-			return Http::STATUS_NOT_FOUND;
-		} elseif ($status === API::RESPOND_SERVER_ERROR || $status === API::RESPOND_UNKNOWN_ERROR) {
-			return Http::STATUS_INTERNAL_SERVER_ERROR;
-		} elseif ($status < 200 || $status > 600) {
-			return Http::STATUS_BAD_REQUEST;
-		}
+    /**
+     * The V2 endpoint just passes on status codes.
+     * Of course we have to map the OCS specific codes to proper HTTP status codes
+     *
+     * @return int
+     */
+    public function getStatus() {
+        $status = parent::getStatus();
+        if ($status === API::RESPOND_UNAUTHORISED) {
+            return Http::STATUS_UNAUTHORIZED;
+        } elseif ($status === API::RESPOND_NOT_FOUND) {
+            return Http::STATUS_NOT_FOUND;
+        } elseif ($status === API::RESPOND_SERVER_ERROR || $status === API::RESPOND_UNKNOWN_ERROR) {
+            return Http::STATUS_INTERNAL_SERVER_ERROR;
+        } elseif ($status < 200 || $status > 600) {
+            return Http::STATUS_BAD_REQUEST;
+        }
 
-		return $status;
-	}
+        return $status;
+    }
 
-	/**
-	 * Construct the meta part of the response
-	 * And then late the base class render
-	 *
-	 * @return string
-	 */
-	public function render() {
-		$status = parent::getStatus();
+    /**
+     * Construct the meta part of the response
+     * And then late the base class render
+     *
+     * @return string
+     */
+    public function render() {
+        $status = parent::getStatus();
 
-		$meta = [
-			'status' => $status >= 200 && $status < 300 ? 'ok' : 'failure',
-			'statuscode' => $this->getOCSStatus(),
-			'message' => $status >= 200 && $status < 300 ? 'OK' : $this->statusMessage,
-		];
+        $meta = [
+            'status' => $status >= 200 && $status < 300 ? 'ok' : 'failure',
+            'statuscode' => $this->getOCSStatus(),
+            'message' => $status >= 200 && $status < 300 ? 'OK' : $this->statusMessage,
+        ];
 
-		if ($this->itemsCount !== null) {
-			$meta['totalitems'] = $this->itemsCount;
-		}
-		if ($this->itemsPerPage !== null) {
-			$meta['itemsperpage'] = $this->itemsPerPage;
-		}
+        if ($this->itemsCount !== null) {
+            $meta['totalitems'] = $this->itemsCount;
+        }
+        if ($this->itemsPerPage !== null) {
+            $meta['itemsperpage'] = $this->itemsPerPage;
+        }
 
-		return $this->renderResult($meta);
-	}
+        return $this->renderResult($meta);
+    }
 }

apps/dav/lib/Comments/EntityTypeCollection.php

Indentation +74 added lines, -74 removed lines

@@ -43,84 +43,84 @@
  */
 class EntityTypeCollection extends RootCollection {
 
-	/** @var ILogger */
-	protected $logger;
+    /** @var ILogger */
+    protected $logger;
 
-	/** @var IUserManager */
-	protected $userManager;
+    /** @var IUserManager */
+    protected $userManager;
 
-	/** @var \Closure */
-	protected $childExistsFunction;
+    /** @var \Closure */
+    protected $childExistsFunction;
 
-	/**
-	 * @param string $name
-	 * @param ICommentsManager $commentsManager
-	 * @param IUserManager $userManager
-	 * @param IUserSession $userSession
-	 * @param ILogger $logger
-	 * @param \Closure $childExistsFunction
-	 */
-	public function __construct(
-		$name,
-		ICommentsManager $commentsManager,
-		IUserManager $userManager,
-		IUserSession $userSession,
-		ILogger $logger,
-		\Closure $childExistsFunction
-	) {
-		$name = trim($name);
-		if (empty($name) || !is_string($name)) {
-			throw new \InvalidArgumentException('"name" parameter must be non-empty string');
-		}
-		$this->name = $name;
-		$this->commentsManager = $commentsManager;
-		$this->logger = $logger;
-		$this->userManager = $userManager;
-		$this->userSession = $userSession;
-		$this->childExistsFunction = $childExistsFunction;
-	}
+    /**
+     * @param string $name
+     * @param ICommentsManager $commentsManager
+     * @param IUserManager $userManager
+     * @param IUserSession $userSession
+     * @param ILogger $logger
+     * @param \Closure $childExistsFunction
+     */
+    public function __construct(
+        $name,
+        ICommentsManager $commentsManager,
+        IUserManager $userManager,
+        IUserSession $userSession,
+        ILogger $logger,
+        \Closure $childExistsFunction
+    ) {
+        $name = trim($name);
+        if (empty($name) || !is_string($name)) {
+            throw new \InvalidArgumentException('"name" parameter must be non-empty string');
+        }
+        $this->name = $name;
+        $this->commentsManager = $commentsManager;
+        $this->logger = $logger;
+        $this->userManager = $userManager;
+        $this->userSession = $userSession;
+        $this->childExistsFunction = $childExistsFunction;
+    }
 
-	/**
-	 * Returns a specific child node, referenced by its name
-	 *
-	 * This method must throw Sabre\DAV\Exception\NotFound if the node does not
-	 * exist.
-	 *
-	 * @param string $name
-	 * @return \Sabre\DAV\INode
-	 * @throws NotFound
-	 */
-	public function getChild($name) {
-		if (!$this->childExists($name)) {
-			throw new NotFound('Entity does not exist or is not available');
-		}
-		return new EntityCollection(
-			$name,
-			$this->name,
-			$this->commentsManager,
-			$this->userManager,
-			$this->userSession,
-			$this->logger
-		);
-	}
+    /**
+     * Returns a specific child node, referenced by its name
+     *
+     * This method must throw Sabre\DAV\Exception\NotFound if the node does not
+     * exist.
+     *
+     * @param string $name
+     * @return \Sabre\DAV\INode
+     * @throws NotFound
+     */
+    public function getChild($name) {
+        if (!$this->childExists($name)) {
+            throw new NotFound('Entity does not exist or is not available');
+        }
+        return new EntityCollection(
+            $name,
+            $this->name,
+            $this->commentsManager,
+            $this->userManager,
+            $this->userSession,
+            $this->logger
+        );
+    }
 
-	/**
-	 * Returns an array with all the child nodes
-	 *
-	 * @return \Sabre\DAV\INode[]
-	 * @throws MethodNotAllowed
-	 */
-	public function getChildren() {
-		throw new MethodNotAllowed('No permission to list folder contents');
-	}
+    /**
+     * Returns an array with all the child nodes
+     *
+     * @return \Sabre\DAV\INode[]
+     * @throws MethodNotAllowed
+     */
+    public function getChildren() {
+        throw new MethodNotAllowed('No permission to list folder contents');
+    }
 
-	/**
-	 * Checks if a child-node with the specified name exists
-	 *
-	 * @param string $name
-	 * @return bool
-	 */
-	public function childExists($name) {
-		return call_user_func($this->childExistsFunction, $name);
-	}
+    /**
+     * Checks if a child-node with the specified name exists
+     *
+     * @param string $name
+     * @return bool
+     */
+    public function childExists($name) {
+        return call_user_func($this->childExistsFunction, $name);
+    }
 }