name : AbstractAdapter.php <?php /* * This file is part of the Symfony package. * * (c) Fabien Potencier <fabien@symfony.com> * * For the full copyright and license information, please view the LICENSE * file that was distributed with this source code. */ namespace Symfony\Component\Finder\Adapter; /** * Interface for finder engine implementations. * * @author Jean-François Simon <contact@jfsimon.fr> */ abstract class AbstractAdapter implements AdapterInterface { protected $followLinks = false; protected $mode = 0; protected $minDepth = 0; protected $maxDepth = PHP_INT_MAX; protected $exclude = array(); protected $names = array(); protected $notNames = array(); protected $contains = array(); protected $notContains = array(); protected $sizes = array(); protected $dates = array(); protected $filters = array(); protected $sort = false; protected $paths = array(); protected $notPaths = array(); protected $ignoreUnreadableDirs = false; private static $areSupported = array(); /** * {@inheritDoc} */ public function isSupported() { $name = $this->getName(); if (!array_key_exists($name, self::$areSupported)) { self::$areSupported[$name] = $this->canBeUsed(); } return self::$areSupported[$name]; } /** * {@inheritdoc} */ public function setFollowLinks($followLinks) { $this->followLinks = $followLinks; return $this; } /** * {@inheritdoc} */ public function setMode($mode) { $this->mode = $mode; return $this; } /** * {@inheritdoc} */ public function setDepths(array $depths) { $this->minDepth = 0; $this->maxDepth = PHP_INT_MAX; foreach ($depths as $comparator) { switch ($comparator->getOperator()) { case '>': $this->minDepth = $comparator->getTarget() + 1; break; case '>=': $this->minDepth = $comparator->getTarget(); break; case '<': $this->maxDepth = $comparator->getTarget() - 1; break; case '<=': $this->maxDepth = $comparator->getTarget(); break; default: $this->minDepth = $this->maxDepth = $comparator->getTarget(); } } return $this; } /** * {@inheritdoc} */ public function setExclude(array $exclude) { $this->exclude = $exclude; return $this; } /** * {@inheritdoc} */ public function setNames(array $names) { $this->names = $names; return $this; } /** * {@inheritdoc} */ public function setNotNames(array $notNames) { $this->notNames = $notNames; return $this; } /** * {@inheritdoc} */ public function setContains(array $contains) { $this->contains = $contains; return $this; } /** * {@inheritdoc} */ public function setNotContains(array $notContains) { $this->notContains = $notContains; return $this; } /** * {@inheritdoc} */ public function setSizes(array $sizes) { $this->sizes = $sizes; return $this; } /** * {@inheritdoc} */ public function setDates(array $dates) { $this->dates = $dates; return $this; } /** * {@inheritdoc} */ public function setFilters(array $filters) { $this->filters = $filters; return $this; } /** * {@inheritdoc} */ public function setSort($sort) { $this->sort = $sort; return $this; } /** * {@inheritdoc} */ public function setPath(array $paths) { $this->paths = $paths; return $this; } /** * {@inheritdoc} */ public function setNotPath(array $notPaths) { $this->notPaths = $notPaths; return $this; } /** * {@inheritdoc} */ public function ignoreUnreadableDirs($ignore = true) { $this->ignoreUnreadableDirs = (Boolean) $ignore; return $this; } /** * Returns whether the adapter is supported in the current environment. * * This method should be implemented in all adapters. Do not implement * isSupported in the adapters as the generic implementation provides a cache * layer. * * @see isSupported * * @return Boolean Whether the adapter is supported */ abstract protected function canBeUsed(); }