nextcloud / server

lib/public/AppFramework/OCS/OCSNotFoundException.php

Indentation +10 added lines, -10 removed lines

@@ -32,14 +32,14 @@
  * @since 9.1.0
  */
 class OCSNotFoundException extends OCSException {
-	/**
-	 * OCSNotFoundException constructor.
-	 *
-	 * @param string $message
-	 * @param Exception|null $previous
-	 * @since 9.1.0
-	 */
-	public function __construct($message = '', Exception $previous = null) {
-		parent::__construct($message, Http::STATUS_NOT_FOUND, $previous);
-	}
+    /**
+     * OCSNotFoundException constructor.
+     *
+     * @param string $message
+     * @param Exception|null $previous
+     * @since 9.1.0
+     */
+    public function __construct($message = '', Exception $previous = null) {
+        parent::__construct($message, Http::STATUS_NOT_FOUND, $previous);
+    }
 }

lib/public/AppFramework/OCS/OCSForbiddenException.php

Indentation +10 added lines, -10 removed lines

@@ -32,14 +32,14 @@
  * @since 9.1.0
  */
 class OCSForbiddenException extends OCSException {
-	/**
-	 * OCSForbiddenException constructor.
-	 *
-	 * @param string $message
-	 * @param Exception|null $previous
-	 * @since 9.1.0
-	 */
-	public function __construct($message = '', Exception $previous = null) {
-		parent::__construct($message, Http::STATUS_FORBIDDEN, $previous);
-	}
+    /**
+     * OCSForbiddenException constructor.
+     *
+     * @param string $message
+     * @param Exception|null $previous
+     * @since 9.1.0
+     */
+    public function __construct($message = '', Exception $previous = null) {
+        parent::__construct($message, Http::STATUS_FORBIDDEN, $previous);
+    }
 }

lib/public/AppFramework/OCS/OCSBadRequestException.php

Indentation +10 added lines, -10 removed lines

@@ -32,14 +32,14 @@
  * @since 9.1.0
  */
 class OCSBadRequestException extends OCSException {
-	/**
-	 * OCSBadRequestException constructor.
-	 *
-	 * @param string $message
-	 * @param Exception|null $previous
-	 * @since 9.1.0
-	 */
-	public function __construct($message = '', Exception $previous = null) {
-		parent::__construct($message, Http::STATUS_BAD_REQUEST, $previous);
-	}
+    /**
+     * OCSBadRequestException constructor.
+     *
+     * @param string $message
+     * @param Exception|null $previous
+     * @since 9.1.0
+     */
+    public function __construct($message = '', Exception $previous = null) {
+        parent::__construct($message, Http::STATUS_BAD_REQUEST, $previous);
+    }
 }

lib/private/Files/Storage/Home.php

Spacing +1 added lines, -1 removed lines

@@ -50,7 +50,7 @@
 	public function __construct($arguments) {
 		$this->user = $arguments['user'];
 		$datadir = $this->user->getHome();
-		$this->id = 'home::' . $this->user->getUID();
+		$this->id = 'home::'.$this->user->getUID();
 
 		parent::__construct(['datadir' => $datadir]);
 	}

Indentation +67 added lines, -67 removed lines

@@ -33,80 +33,80 @@
  * Specialized version of Local storage for home directory usage
  */
 class Home extends Local implements \OCP\Files\IHomeStorage {
-	/**
-	 * @var string
-	 */
-	protected $id;
+    /**
+     * @var string
+     */
+    protected $id;
 
-	/**
-	 * @var \OC\User\User $user
-	 */
-	protected $user;
+    /**
+     * @var \OC\User\User $user
+     */
+    protected $user;
 
-	/**
-	 * Construct a Home storage instance
-	 *
-	 * @param array $arguments array with "user" containing the
-	 * storage owner
-	 */
-	public function __construct($arguments) {
-		$this->user = $arguments['user'];
-		$datadir = $this->user->getHome();
-		$this->id = 'home::' . $this->user->getUID();
+    /**
+     * Construct a Home storage instance
+     *
+     * @param array $arguments array with "user" containing the
+     * storage owner
+     */
+    public function __construct($arguments) {
+        $this->user = $arguments['user'];
+        $datadir = $this->user->getHome();
+        $this->id = 'home::' . $this->user->getUID();
 
-		parent::__construct(['datadir' => $datadir]);
-	}
+        parent::__construct(['datadir' => $datadir]);
+    }
 
-	public function getId() {
-		return $this->id;
-	}
+    public function getId() {
+        return $this->id;
+    }
 
-	/**
-	 * @return \OC\Files\Cache\HomeCache
-	 */
-	public function getCache($path = '', $storage = null) {
-		if (!$storage) {
-			$storage = $this;
-		}
-		if (!isset($this->cache)) {
-			$this->cache = new \OC\Files\Cache\HomeCache($storage);
-		}
-		return $this->cache;
-	}
+    /**
+     * @return \OC\Files\Cache\HomeCache
+     */
+    public function getCache($path = '', $storage = null) {
+        if (!$storage) {
+            $storage = $this;
+        }
+        if (!isset($this->cache)) {
+            $this->cache = new \OC\Files\Cache\HomeCache($storage);
+        }
+        return $this->cache;
+    }
 
-	/**
-	 * get a propagator instance for the cache
-	 *
-	 * @param \OC\Files\Storage\Storage (optional) the storage to pass to the watcher
-	 * @return \OC\Files\Cache\Propagator
-	 */
-	public function getPropagator($storage = null) {
-		if (!$storage) {
-			$storage = $this;
-		}
-		if (!isset($this->propagator)) {
-			$this->propagator = new HomePropagator($storage, \OC::$server->getDatabaseConnection());
-		}
-		return $this->propagator;
-	}
+    /**
+     * get a propagator instance for the cache
+     *
+     * @param \OC\Files\Storage\Storage (optional) the storage to pass to the watcher
+     * @return \OC\Files\Cache\Propagator
+     */
+    public function getPropagator($storage = null) {
+        if (!$storage) {
+            $storage = $this;
+        }
+        if (!isset($this->propagator)) {
+            $this->propagator = new HomePropagator($storage, \OC::$server->getDatabaseConnection());
+        }
+        return $this->propagator;
+    }
 
 
-	/**
-	 * Returns the owner of this home storage
-	 *
-	 * @return \OC\User\User owner of this home storage
-	 */
-	public function getUser() {
-		return $this->user;
-	}
+    /**
+     * Returns the owner of this home storage
+     *
+     * @return \OC\User\User owner of this home storage
+     */
+    public function getUser() {
+        return $this->user;
+    }
 
-	/**
-	 * get the owner of a path
-	 *
-	 * @param string $path The path to get the owner
-	 * @return string uid or false
-	 */
-	public function getOwner($path) {
-		return $this->user->getUID();
-	}
+    /**
+     * get the owner of a path
+     *
+     * @param string $path The path to get the owner
+     * @return string uid or false
+     */
+    public function getOwner($path) {
+        return $this->user->getUID();
+    }
 }

lib/private/Contacts/ContactsMenu/Providers/EMailProvider.php

Indentation +29 added lines, -29 removed lines

@@ -31,33 +31,33 @@
 
 class EMailProvider implements IProvider {
 
-	/** @var IActionFactory */
-	private $actionFactory;
-
-	/** @var IURLGenerator */
-	private $urlGenerator;
-
-	/**
-	 * @param IActionFactory $actionFactory
-	 * @param IURLGenerator $urlGenerator
-	 */
-	public function __construct(IActionFactory $actionFactory, IURLGenerator $urlGenerator) {
-		$this->actionFactory = $actionFactory;
-		$this->urlGenerator = $urlGenerator;
-	}
-
-	/**
-	 * @param IEntry $entry
-	 */
-	public function process(IEntry $entry) {
-		$iconUrl = $this->urlGenerator->getAbsoluteURL($this->urlGenerator->imagePath('core', 'actions/mail.svg'));
-		foreach ($entry->getEMailAddresses() as $address) {
-			if (empty($address)) {
-				// Skip
-				continue;
-			}
-			$action = $this->actionFactory->newEMailAction($iconUrl, $address, $address);
-			$entry->addAction($action);
-		}
-	}
+    /** @var IActionFactory */
+    private $actionFactory;
+
+    /** @var IURLGenerator */
+    private $urlGenerator;
+
+    /**
+     * @param IActionFactory $actionFactory
+     * @param IURLGenerator $urlGenerator
+     */
+    public function __construct(IActionFactory $actionFactory, IURLGenerator $urlGenerator) {
+        $this->actionFactory = $actionFactory;
+        $this->urlGenerator = $urlGenerator;
+    }
+
+    /**
+     * @param IEntry $entry
+     */
+    public function process(IEntry $entry) {
+        $iconUrl = $this->urlGenerator->getAbsoluteURL($this->urlGenerator->imagePath('core', 'actions/mail.svg'));
+        foreach ($entry->getEMailAddresses() as $address) {
+            if (empty($address)) {
+                // Skip
+                continue;
+            }
+            $action = $this->actionFactory->newEMailAction($iconUrl, $address, $address);
+            $entry->addAction($action);
+        }
+    }
 }

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);
+    }
 }

apps/federation/lib/DAV/FedAuth.php

Indentation +32 added lines, -32 removed lines

@@ -29,40 +29,40 @@
 
 class FedAuth extends AbstractBasic {
 
-	/** @var DbHandler */
-	private $db;
+    /** @var DbHandler */
+    private $db;
 
-	/**
-	 * FedAuth constructor.
-	 *
-	 * @param DbHandler $db
-	 */
-	public function __construct(DbHandler $db) {
-		$this->db = $db;
-		$this->principalPrefix = 'principals/system/';
+    /**
+     * FedAuth constructor.
+     *
+     * @param DbHandler $db
+     */
+    public function __construct(DbHandler $db) {
+        $this->db = $db;
+        $this->principalPrefix = 'principals/system/';
 
-		// setup realm
-		$defaults = new \OCP\Defaults();
-		$this->realm = $defaults->getName();
-	}
+        // setup realm
+        $defaults = new \OCP\Defaults();
+        $this->realm = $defaults->getName();
+    }
 
-	/**
-	 * Validates a username and password
-	 *
-	 * This method should return true or false depending on if login
-	 * succeeded.
-	 *
-	 * @param string $username
-	 * @param string $password
-	 * @return bool
-	 */
-	protected function validateUserPass($username, $password) {
-		return $this->db->auth($username, $password);
-	}
+    /**
+     * Validates a username and password
+     *
+     * This method should return true or false depending on if login
+     * succeeded.
+     *
+     * @param string $username
+     * @param string $password
+     * @return bool
+     */
+    protected function validateUserPass($username, $password) {
+        return $this->db->auth($username, $password);
+    }
 
-	/**
-	 * @inheritdoc
-	 */
-	public function challenge(RequestInterface $request, ResponseInterface $response) {
-	}
+    /**
+     * @inheritdoc
+     */
+    public function challenge(RequestInterface $request, ResponseInterface $response) {
+    }
 }

lib/private/L10N/L10NString.php

Braces +1 added lines, -2 removed lines

@@ -61,8 +61,7 @@
 				$fn = $this->l10n->getPluralFormFunction();
 				$id = $fn($this->count);
 				$text = $translations[$this->text][$id];
-			}
-			else{
+			} else{
 				$text = $translations[$this->text];
 			}
 		}

Indentation +46 added lines, -46 removed lines

@@ -29,59 +29,59 @@
 namespace OC\L10N;
 
 class L10NString implements \JsonSerializable {
-	/** @var \OC\L10N\L10N */
-	protected $l10n;
+    /** @var \OC\L10N\L10N */
+    protected $l10n;
 
-	/** @var string */
-	protected $text;
+    /** @var string */
+    protected $text;
 
-	/** @var array */
-	protected $parameters;
+    /** @var array */
+    protected $parameters;
 
-	/** @var integer */
-	protected $count;
+    /** @var integer */
+    protected $count;
 
-	/**
-	 * @param \OC\L10N\L10N $l10n
-	 * @param string|string[] $text
-	 * @param array $parameters
-	 * @param int $count
-	 */
-	public function __construct(\OC\L10N\L10N $l10n, $text, $parameters, $count = 1) {
-		$this->l10n = $l10n;
-		$this->text = $text;
-		$this->parameters = $parameters;
-		$this->count = $count;
-	}
+    /**
+     * @param \OC\L10N\L10N $l10n
+     * @param string|string[] $text
+     * @param array $parameters
+     * @param int $count
+     */
+    public function __construct(\OC\L10N\L10N $l10n, $text, $parameters, $count = 1) {
+        $this->l10n = $l10n;
+        $this->text = $text;
+        $this->parameters = $parameters;
+        $this->count = $count;
+    }
 
-	/**
-	 * @return string
-	 */
-	public function __toString() {
-		$translations = $this->l10n->getTranslations();
+    /**
+     * @return string
+     */
+    public function __toString() {
+        $translations = $this->l10n->getTranslations();
 
-		$text = $this->text;
-		if(array_key_exists($this->text, $translations)) {
-			if(is_array($translations[$this->text])) {
-				$fn = $this->l10n->getPluralFormFunction();
-				$id = $fn($this->count);
-				$text = $translations[$this->text][$id];
-			}
-			else{
-				$text = $translations[$this->text];
-			}
-		}
+        $text = $this->text;
+        if(array_key_exists($this->text, $translations)) {
+            if(is_array($translations[$this->text])) {
+                $fn = $this->l10n->getPluralFormFunction();
+                $id = $fn($this->count);
+                $text = $translations[$this->text][$id];
+            }
+            else{
+                $text = $translations[$this->text];
+            }
+        }
 
-		// Replace %n first (won't interfere with vsprintf)
-		$text = str_replace('%n', (string)$this->count, $text);
-		return vsprintf($text, $this->parameters);
-	}
+        // Replace %n first (won't interfere with vsprintf)
+        $text = str_replace('%n', (string)$this->count, $text);
+        return vsprintf($text, $this->parameters);
+    }
 
 
-	/**
-	 * @return string
-	 */
-	public function jsonSerialize() {
-		return $this->__toString();
-	}
+    /**
+     * @return string
+     */
+    public function jsonSerialize() {
+        return $this->__toString();
+    }
 }

Spacing +4 added lines, -4 removed lines

@@ -56,19 +56,19 @@
 		$translations = $this->l10n->getTranslations();
 
 		$text = $this->text;
-		if(array_key_exists($this->text, $translations)) {
-			if(is_array($translations[$this->text])) {
+		if (array_key_exists($this->text, $translations)) {
+			if (is_array($translations[$this->text])) {
 				$fn = $this->l10n->getPluralFormFunction();
 				$id = $fn($this->count);
 				$text = $translations[$this->text][$id];
 			}
-			else{
+			else {
 				$text = $translations[$this->text];
 			}
 		}
 
 		// Replace %n first (won't interfere with vsprintf)
-		$text = str_replace('%n', (string)$this->count, $text);
+		$text = str_replace('%n', (string) $this->count, $text);
 		return vsprintf($text, $this->parameters);
 	}
 

lib/private/DB/QueryBuilder/ExpressionBuilder/OCIExpressionBuilder.php

Spacing +3 added lines, -3 removed lines

@@ -147,7 +147,7 @@ 
 	public function castColumn($column, $type) {
 		if ($type === IQueryBuilder::PARAM_STR) {
 			$column = $this->helper->quoteColumnName($column);
-			return new QueryFunction('to_char(' . $column . ')');
+			return new QueryFunction('to_char('.$column.')');
 		}
 
 		return parent::castColumn($column, $type);
@@ -157,7 +157,7 @@ 
 	 * @inheritdoc
 	 */
 	public function like($x, $y, $type = null) {
-		return parent::like($x, $y, $type) . " ESCAPE '\\'";
+		return parent::like($x, $y, $type)." ESCAPE '\\'";
 	}
 
 	/**
@@ -166,6 +166,6 @@ 
 	public function iLike($x, $y, $type = null) {
 		$x = $this->helper->quoteColumnName($x);
 		$y = $this->helper->quoteColumnName($y);
-		return new QueryFunction('REGEXP_LIKE(' . $x . ', \'^\' || REPLACE(REPLACE(' . $y . ', \'%\', \'.*\'), \'_\', \'.\') || \'$\', \'i\')');
+		return new QueryFunction('REGEXP_LIKE('.$x.', \'^\' || REPLACE(REPLACE('.$y.', \'%\', \'.*\'), \'_\', \'.\') || \'$\', \'i\')');
 	}
 }

Indentation +157 added lines, -157 removed lines

@@ -33,161 +33,161 @@
 
 class OCIExpressionBuilder extends ExpressionBuilder {
 
-	/**
-	 * @param mixed $column
-	 * @param mixed|null $type
-	 * @return array|IQueryFunction|string
-	 */
-	protected function prepareColumn($column, $type) {
-		if ($type === IQueryBuilder::PARAM_STR && !is_array($column) && !($column instanceof IParameter) && !($column instanceof ILiteral)) {
-			$column = $this->castColumn($column, $type);
-		} else {
-			$column = $this->helper->quoteColumnNames($column);
-		}
-		return $column;
-	}
-
-	/**
-	 * @inheritdoc
-	 */
-	public function comparison($x, $operator, $y, $type = null) {
-		$x = $this->prepareColumn($x, $type);
-		$y = $this->prepareColumn($y, $type);
-
-		return $this->expressionBuilder->comparison($x, $operator, $y);
-	}
-
-	/**
-	 * @inheritdoc
-	 */
-	public function eq($x, $y, $type = null) {
-		$x = $this->prepareColumn($x, $type);
-		$y = $this->prepareColumn($y, $type);
-
-		return $this->expressionBuilder->eq($x, $y);
-	}
-
-	/**
-	 * @inheritdoc
-	 */
-	public function neq($x, $y, $type = null) {
-		$x = $this->prepareColumn($x, $type);
-		$y = $this->prepareColumn($y, $type);
-
-		return $this->expressionBuilder->neq($x, $y);
-	}
-
-	/**
-	 * @inheritdoc
-	 */
-	public function lt($x, $y, $type = null) {
-		$x = $this->prepareColumn($x, $type);
-		$y = $this->prepareColumn($y, $type);
-
-		return $this->expressionBuilder->lt($x, $y);
-	}
-
-	/**
-	 * @inheritdoc
-	 */
-	public function lte($x, $y, $type = null) {
-		$x = $this->prepareColumn($x, $type);
-		$y = $this->prepareColumn($y, $type);
-
-		return $this->expressionBuilder->lte($x, $y);
-	}
-
-	/**
-	 * @inheritdoc
-	 */
-	public function gt($x, $y, $type = null) {
-		$x = $this->prepareColumn($x, $type);
-		$y = $this->prepareColumn($y, $type);
-
-		return $this->expressionBuilder->gt($x, $y);
-	}
-
-	/**
-	 * @inheritdoc
-	 */
-	public function gte($x, $y, $type = null) {
-		$x = $this->prepareColumn($x, $type);
-		$y = $this->prepareColumn($y, $type);
-
-		return $this->expressionBuilder->gte($x, $y);
-	}
-
-	/**
-	 * @inheritdoc
-	 */
-	public function in($x, $y, $type = null) {
-		$x = $this->prepareColumn($x, $type);
-		$y = $this->prepareColumn($y, $type);
-
-		return $this->expressionBuilder->in($x, $y);
-	}
-
-	/**
-	 * @inheritdoc
-	 */
-	public function notIn($x, $y, $type = null) {
-		$x = $this->prepareColumn($x, $type);
-		$y = $this->prepareColumn($y, $type);
-
-		return $this->expressionBuilder->notIn($x, $y);
-	}
-
-	/**
-	 * Creates a $x = '' statement, because Oracle needs a different check
-	 *
-	 * @param string $x The field in string format to be inspected by the comparison.
-	 * @return string
-	 * @since 13.0.0
-	 */
-	public function emptyString($x) {
-		return $this->isNull($x);
-	}
-
-	/**
-	 * Creates a `$x <> ''` statement, because Oracle needs a different check
-	 *
-	 * @param string $x The field in string format to be inspected by the comparison.
-	 * @return string
-	 * @since 13.0.0
-	 */
-	public function nonEmptyString($x) {
-		return $this->isNotNull($x);
-	}
-
-	/**
-	 * Returns a IQueryFunction that casts the column to the given type
-	 *
-	 * @param string $column
-	 * @param mixed $type One of IQueryBuilder::PARAM_*
-	 * @return IQueryFunction
-	 */
-	public function castColumn($column, $type) {
-		if ($type === IQueryBuilder::PARAM_STR) {
-			$column = $this->helper->quoteColumnName($column);
-			return new QueryFunction('to_char(' . $column . ')');
-		}
-
-		return parent::castColumn($column, $type);
-	}
-
-	/**
-	 * @inheritdoc
-	 */
-	public function like($x, $y, $type = null) {
-		return parent::like($x, $y, $type) . " ESCAPE '\\'";
-	}
-
-	/**
-	 * @inheritdoc
-	 */
-	public function iLike($x, $y, $type = null) {
-		$x = $this->helper->quoteColumnName($x);
-		$y = $this->helper->quoteColumnName($y);
-		return new QueryFunction('REGEXP_LIKE(' . $x . ', \'^\' || REPLACE(REPLACE(' . $y . ', \'%\', \'.*\'), \'_\', \'.\') || \'$\', \'i\')');
-	}
+    /**
+     * @param mixed $column
+     * @param mixed|null $type
+     * @return array|IQueryFunction|string
+     */
+    protected function prepareColumn($column, $type) {
+        if ($type === IQueryBuilder::PARAM_STR && !is_array($column) && !($column instanceof IParameter) && !($column instanceof ILiteral)) {
+            $column = $this->castColumn($column, $type);
+        } else {
+            $column = $this->helper->quoteColumnNames($column);
+        }
+        return $column;
+    }
+
+    /**
+     * @inheritdoc
+     */
+    public function comparison($x, $operator, $y, $type = null) {
+        $x = $this->prepareColumn($x, $type);
+        $y = $this->prepareColumn($y, $type);
+
+        return $this->expressionBuilder->comparison($x, $operator, $y);
+    }
+
+    /**
+     * @inheritdoc
+     */
+    public function eq($x, $y, $type = null) {
+        $x = $this->prepareColumn($x, $type);
+        $y = $this->prepareColumn($y, $type);
+
+        return $this->expressionBuilder->eq($x, $y);
+    }
+
+    /**
+     * @inheritdoc
+     */
+    public function neq($x, $y, $type = null) {
+        $x = $this->prepareColumn($x, $type);
+        $y = $this->prepareColumn($y, $type);
+
+        return $this->expressionBuilder->neq($x, $y);
+    }
+
+    /**
+     * @inheritdoc
+     */
+    public function lt($x, $y, $type = null) {
+        $x = $this->prepareColumn($x, $type);
+        $y = $this->prepareColumn($y, $type);
+
+        return $this->expressionBuilder->lt($x, $y);
+    }
+
+    /**
+     * @inheritdoc
+     */
+    public function lte($x, $y, $type = null) {
+        $x = $this->prepareColumn($x, $type);
+        $y = $this->prepareColumn($y, $type);
+
+        return $this->expressionBuilder->lte($x, $y);
+    }
+
+    /**
+     * @inheritdoc
+     */
+    public function gt($x, $y, $type = null) {
+        $x = $this->prepareColumn($x, $type);
+        $y = $this->prepareColumn($y, $type);
+
+        return $this->expressionBuilder->gt($x, $y);
+    }
+
+    /**
+     * @inheritdoc
+     */
+    public function gte($x, $y, $type = null) {
+        $x = $this->prepareColumn($x, $type);
+        $y = $this->prepareColumn($y, $type);
+
+        return $this->expressionBuilder->gte($x, $y);
+    }
+
+    /**
+     * @inheritdoc
+     */
+    public function in($x, $y, $type = null) {
+        $x = $this->prepareColumn($x, $type);
+        $y = $this->prepareColumn($y, $type);
+
+        return $this->expressionBuilder->in($x, $y);
+    }
+
+    /**
+     * @inheritdoc
+     */
+    public function notIn($x, $y, $type = null) {
+        $x = $this->prepareColumn($x, $type);
+        $y = $this->prepareColumn($y, $type);
+
+        return $this->expressionBuilder->notIn($x, $y);
+    }
+
+    /**
+     * Creates a $x = '' statement, because Oracle needs a different check
+     *
+     * @param string $x The field in string format to be inspected by the comparison.
+     * @return string
+     * @since 13.0.0
+     */
+    public function emptyString($x) {
+        return $this->isNull($x);
+    }
+
+    /**
+     * Creates a `$x <> ''` statement, because Oracle needs a different check
+     *
+     * @param string $x The field in string format to be inspected by the comparison.
+     * @return string
+     * @since 13.0.0
+     */
+    public function nonEmptyString($x) {
+        return $this->isNotNull($x);
+    }
+
+    /**
+     * Returns a IQueryFunction that casts the column to the given type
+     *
+     * @param string $column
+     * @param mixed $type One of IQueryBuilder::PARAM_*
+     * @return IQueryFunction
+     */
+    public function castColumn($column, $type) {
+        if ($type === IQueryBuilder::PARAM_STR) {
+            $column = $this->helper->quoteColumnName($column);
+            return new QueryFunction('to_char(' . $column . ')');
+        }
+
+        return parent::castColumn($column, $type);
+    }
+
+    /**
+     * @inheritdoc
+     */
+    public function like($x, $y, $type = null) {
+        return parent::like($x, $y, $type) . " ESCAPE '\\'";
+    }
+
+    /**
+     * @inheritdoc
+     */
+    public function iLike($x, $y, $type = null) {
+        $x = $this->helper->quoteColumnName($x);
+        $y = $this->helper->quoteColumnName($y);
+        return new QueryFunction('REGEXP_LIKE(' . $x . ', \'^\' || REPLACE(REPLACE(' . $y . ', \'%\', \'.*\'), \'_\', \'.\') || \'$\', \'i\')');
+    }
 }