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📄 Autocompleter.php(2.08 KB)
📄 AutocompleterAggregate.php(3.26 KB)
📄 AutocompleterPath.php(4.92 KB)
📄 AutocompleterWord.php(3.1 KB)
📄 Console.php(7.8 KB)
📄 ConsoleCursor.php(20.35 KB)
📄 ConsoleException.php(1.77 KB)
📄 ConsoleInput.php(4.15 KB)
📄 ConsoleOutput.php(5.23 KB)
📄 ConsoleProcessus.php(20.44 KB)
📄 ConsoleTput.php(20.9 KB)
📄 ConsoleWindow.php(12.15 KB)
📄 Event.php(5.94 KB)
📄 EventBucket.php(2.88 KB)
📄 EventException.php(1.74 KB)
📄 EventListenable.php(1.89 KB)
📄 EventListener.php(3.99 KB)
📄 EventListens.php(2.59 KB)
📄 EventSource.php(1.74 KB)
📄 Exception.php(2.66 KB)
📄 ExceptionIdle.php(7.07 KB)
📄 File.php(7.4 KB)
📄 FileDirectory.php(6.34 KB)
📄 FileDoesNotExistException.php(1.83 KB)
📄 FileException.php(1.8 KB)
📄 FileFinder.php(15.77 KB)
📄 FileGeneric.php(11.18 KB)
📄 FileLink.php(4.19 KB)
📄 FileLinkRead.php(5.85 KB)
📄 FileLinkReadWrite.php(6.81 KB)
📄 FileRead.php(4.58 KB)
📄 FileReadWrite.php(6.8 KB)
📄 IStream.php(1.82 KB)
📄 IteratorFileSystem.php(2.75 KB)
📄 IteratorRecursiveDirectory.php(3.71 KB)
📄 IteratorSplFileInfo.php(3.22 KB)
📄 Protocol.php(6.47 KB)
📄 ProtocolException.php(1.74 KB)
📄 ProtocolNode.php(7.92 KB)
📄 ProtocolNodeLibrary.php(3.14 KB)
📄 ProtocolWrapper.php(13.38 KB)
📄 Readline.php(26.37 KB)
📄 Stream.php(14.51 KB)
📄 StreamBufferable.php(2.43 KB)
📄 StreamContext.php(3.54 KB)
📄 StreamException.php(1.77 KB)
📄 StreamIn.php(2.81 KB)
📄 StreamLockable.php(2.55 KB)
📄 StreamOut.php(2.66 KB)
📄 StreamPathable.php(1.97 KB)
📄 StreamPointable.php(2.39 KB)
📄 StreamStatable.php(2.99 KB)
📄 StreamTouchable.php(3.1 KB)
📁 Terminfo
📄 Ustring.php(5.01 KB)
📄 Xcallable.php(7.18 KB)

Editing: Event.php

<?php

/**
 * Hoa
 *
 *
 * @license
 *
 * New BSD License
 *
 * Copyright © 2007-2017, Hoa community. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *     * Redistributions of source code must retain the above copyright
 *       notice, this list of conditions and the following disclaimer.
 *     * Redistributions in binary form must reproduce the above copyright
 *       notice, this list of conditions and the following disclaimer in the
 *       documentation and/or other materials provided with the distribution.
 *     * Neither the name of the Hoa nor the names of its contributors may be
 *       used to endorse or promote products derived from this software without
 *       specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS AND CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */

namespace Psy\Readline\Hoa;

/**
 * Events are asynchronous at registration, anonymous at use (until we
 * receive a bucket) and useful to largely spread data through components
 * without any known connection between them.
 */
class Event
{
    /**
     * Event ID key.
     */
    const KEY_EVENT = 0;

/**
     * Source object key.
     */
    const KEY_SOURCE = 1;

/**
     * Static register of all observable objects, i.e. `Hoa\Event\Source`
     * object, i.e. object that can send event.
     */
    private static $_register = [];

/**
     * Collection of callables, i.e. observer objects.
     */
    protected $_callable = [];

/**
     * Privatize the constructor.
     */
    private function __construct()
    {
        return;
    }

/**
     * Manage multiton of events, with the principle of asynchronous
     * attachments.
     */
    public static function getEvent(string $eventId): self
    {
        if (!isset(self::$_register[$eventId][self::KEY_EVENT])) {
            self::$_register[$eventId] = [
                self::KEY_EVENT  => new self(),
                self::KEY_SOURCE => null,
            ];
        }

return self::$_register[$eventId][self::KEY_EVENT];
    }

/**
     * Declares a new object in the observable collection.
     * Note: Hoa's libraries use `hoa://Event/anID` for their observable objects.
     */
    public static function register(string $eventId, /* Source|string */ $source)
    {
        if (true === self::eventExists($eventId)) {
            throw new EventException('Cannot redeclare an event with the same ID, i.e. the event '.'ID %s already exists.', 0, $eventId);
        }

if (\is_object($source) && !($source instanceof EventSource)) {
            throw new EventException('The source must implement \Hoa\Event\Source '.'interface; given %s.', 1, \get_class($source));
        } else {
            $reflection = new \ReflectionClass($source);

if (false === $reflection->implementsInterface('\Psy\Readline\Hoa\EventSource')) {
                throw new EventException('The source must implement \Hoa\Event\Source '.'interface; given %s.', 2, $source);
            }
        }

if (!isset(self::$_register[$eventId][self::KEY_EVENT])) {
            self::$_register[$eventId][self::KEY_EVENT] = new self();
        }

self::$_register[$eventId][self::KEY_SOURCE] = $source;
    }

/**
     * Undeclares an object in the observable collection.
     *
     * If `$hard` is set to `true, then the source and its attached callables
     * will be deleted.
     */
    public static function unregister(string $eventId, bool $hard = false)
    {
        if (false !== $hard) {
            unset(self::$_register[$eventId]);
        } else {
            self::$_register[$eventId][self::KEY_SOURCE] = null;
        }
    }

/**
     * Attach an object to an event.
     *
     * It can be a callable or an accepted callable form (please, see the
     * `Hoa\Consistency\Xcallable` class).
     */
    public function attach($callable): self
    {
        $callable = Xcallable::from($callable);
        $this->_callable[$callable->getHash()] = $callable;

return $this;
    }

/**
     * Detaches an object to an event.
     *
     * Please see `self::attach` method.
     */
    public function detach($callable): self
    {
        unset($this->_callable[Xcallable::from($callable)->getHash()]);

return $this;
    }

/**
     * Checks if at least one callable is attached to an event.
     */
    public function isListened(): bool
    {
        return !empty($this->_callable);
    }

/**
     * Notifies, i.e. send data to observers.
     */
    public static function notify(string $eventId, EventSource $source, EventBucket $data)
    {
        if (false === self::eventExists($eventId)) {
            throw new EventException('Event ID %s does not exist, cannot send notification.', 3, $eventId);
        }

$data->setSource($source);
        $event = self::getEvent($eventId);

foreach ($event->_callable as $callable) {
            $callable($data);
        }
    }

/**
     * Checks whether an event exists.
     */
    public static function eventExists(string $eventId): bool
    {
        return
            \array_key_exists($eventId, self::$_register) &&
            self::$_register[$eventId][self::KEY_SOURCE] !== null;
    }
}

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