78 lines
2.1 KiB
PHP
78 lines
2.1 KiB
PHP
<?php
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declare(strict_types=1);
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namespace Revolt\EventLoop;
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use Revolt\EventLoop\Internal\ClosureHelper;
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final class InvalidCallbackError extends \Error
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{
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public const E_NONNULL_RETURN = 1;
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public const E_INVALID_IDENTIFIER = 2;
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/**
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* MUST be thrown if any callback returns a non-null value.
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*/
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public static function nonNullReturn(string $callbackId, \Closure $closure): self
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{
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return new self(
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$callbackId,
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self::E_NONNULL_RETURN,
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'Non-null return value received from callback ' . ClosureHelper::getDescription($closure)
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);
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}
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/**
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* MUST be thrown if any operation (except disable() and cancel()) is attempted with an invalid callback identifier.
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*
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* An invalid callback identifier is any identifier that is not yet emitted by the driver or cancelled by the user.
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*/
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public static function invalidIdentifier(string $callbackId): self
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{
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return new self($callbackId, self::E_INVALID_IDENTIFIER, 'Invalid callback identifier ' . $callbackId);
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}
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/** @var string */
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private readonly string $rawMessage;
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/** @var string */
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private readonly string $callbackId;
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/** @var array<string, string> */
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private array $info = [];
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/**
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* @param string $callbackId The callback identifier.
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* @param string $message The exception message.
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*/
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private function __construct(string $callbackId, int $code, string $message)
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{
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parent::__construct($message, $code);
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$this->callbackId = $callbackId;
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$this->rawMessage = $message;
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}
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/**
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* @return string The callback identifier.
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*/
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public function getCallbackId(): string
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{
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return $this->callbackId;
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}
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public function addInfo(string $key, string $message): void
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{
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$this->info[$key] = $message;
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$info = '';
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foreach ($this->info as $infoKey => $infoMessage) {
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$info .= "\r\n\r\n" . $infoKey . ': ' . $infoMessage;
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}
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$this->message = $this->rawMessage . $info;
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}
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}
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