Subversion Repositories php-qbpwcf

<?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\HttpFoundation\Session;

use Symfony\Component\HttpFoundation\Session\Attribute\AttributeBag;

use Symfony\Component\HttpFoundation\Session\Attribute\AttributeBagInterface;

use Symfony\Component\HttpFoundation\Session\Flash\FlashBag;

use Symfony\Component\HttpFoundation\Session\Flash\FlashBagInterface;

use Symfony\Component\HttpFoundation\Session\Storage\NativeSessionStorage;

use Symfony\Component\HttpFoundation\Session\Storage\SessionStorageInterface;

// Help opcache.preload discover always-needed symbols

class_exists(AttributeBag::class);

class_exists(FlashBag::class);

class_exists(SessionBagProxy::class);

/**

 * @author Fabien Potencier <fabien@symfony.com>

 * @author Drak <drak@zikula.org>

 */

class Session implements SessionInterface, \IteratorAggregate, \Countable

{

    protected $storage;

    private $flashName;

    private $attributeName;

    private $data = [];

    private $usageIndex = 0;

    private $usageReporter;

    public function __construct(SessionStorageInterface $storage = null, AttributeBagInterface $attributes = null, FlashBagInterface $flashes = null, callable $usageReporter = null)

    {

        $this->storage = $storage ?: new NativeSessionStorage();

        $this->usageReporter = $usageReporter;

        $attributes = $attributes ?: new AttributeBag();

        $this->attributeName = $attributes->getName();

        $this->registerBag($attributes);

        $flashes = $flashes ?: new FlashBag();

        $this->flashName = $flashes->getName();

        $this->registerBag($flashes);

    }

    /**

     * {@inheritdoc}

     */

    public function start()

    {

        return $this->storage->start();

    }

    /**

     * {@inheritdoc}

     */

    public function has(string $name)

    {

        return $this->getAttributeBag()->has($name);

    }

    /**

     * {@inheritdoc}

     */

    public function get(string $name, $default = null)

    {

        return $this->getAttributeBag()->get($name, $default);

    }

    /**

     * {@inheritdoc}

     */

    public function set(string $name, $value)

    {

        $this->getAttributeBag()->set($name, $value);

    }

    /**

     * {@inheritdoc}

     */

    public function all()

    {

        return $this->getAttributeBag()->all();

    }

    /**

     * {@inheritdoc}

     */

    public function replace(array $attributes)

    {

        $this->getAttributeBag()->replace($attributes);

    }

    /**

     * {@inheritdoc}

     */

    public function remove(string $name)

    {

        return $this->getAttributeBag()->remove($name);

    }

    /**

     * {@inheritdoc}

     */

    public function clear()

    {

        $this->getAttributeBag()->clear();

    }

    /**

     * {@inheritdoc}

     */

    public function isStarted()

    {

        return $this->storage->isStarted();

    }

    /**

     * Returns an iterator for attributes.

     *

     * @return \ArrayIterator An \ArrayIterator instance

     */

    public function getIterator()

    {

        return new \ArrayIterator($this->getAttributeBag()->all());

    }

    /**

     * Returns the number of attributes.

     *

     * @return int

     */

    public function count()

    {

        return \count($this->getAttributeBag()->all());

    }

    public function &getUsageIndex(): int

    {

        return $this->usageIndex;

    }

    /**

     * @internal

     */

    public function isEmpty(): bool

    {

        if ($this->isStarted()) {

            ++$this->usageIndex;

            if ($this->usageReporter && 0 <= $this->usageIndex) {

                ($this->usageReporter)();

            }

        }

        foreach ($this->data as &$data) {

            if (!empty($data)) {

                return false;

            }

        }

        return true;

    }

    /**

     * {@inheritdoc}

     */

    public function invalidate(int $lifetime = null)

    {

        $this->storage->clear();

        return $this->migrate(true, $lifetime);

    }

    /**

     * {@inheritdoc}

     */

    public function migrate(bool $destroy = false, int $lifetime = null)

    {

        return $this->storage->regenerate($destroy, $lifetime);

    }

    /**

     * {@inheritdoc}

     */

    public function save()

    {

        $this->storage->save();

    }

    /**

     * {@inheritdoc}

     */

    public function getId()

    {

        return $this->storage->getId();

    }

    /**

     * {@inheritdoc}

     */

    public function setId(string $id)

    {

        if ($this->storage->getId() !== $id) {

            $this->storage->setId($id);

        }

    }

    /**

     * {@inheritdoc}

     */

    public function getName()

    {

        return $this->storage->getName();

    }

    /**

     * {@inheritdoc}

     */

    public function setName(string $name)

    {

        $this->storage->setName($name);

    }

    /**

     * {@inheritdoc}

     */

    public function getMetadataBag()

    {

        ++$this->usageIndex;

        if ($this->usageReporter && 0 <= $this->usageIndex) {

            ($this->usageReporter)();

        }

        return $this->storage->getMetadataBag();

    }

    /**

     * {@inheritdoc}

     */

    public function registerBag(SessionBagInterface $bag)

    {

        $this->storage->registerBag(new SessionBagProxy($bag, $this->data, $this->usageIndex, $this->usageReporter));

    }

    /**

     * {@inheritdoc}

     */

    public function getBag(string $name)

    {

        $bag = $this->storage->getBag($name);

        return method_exists($bag, 'getBag') ? $bag->getBag() : $bag;

    }

    /**

     * Gets the flashbag interface.

     *

     * @return FlashBagInterface

     */

    public function getFlashBag()

    {

        return $this->getBag($this->flashName);

    }

    /**

     * Gets the attributebag interface.

     *

     * Note that this method was added to help with IDE autocompletion.

     */

    private function getAttributeBag(): AttributeBagInterface

    {

        return $this->getBag($this->attributeName);

    }

}