44 lines
1.2 KiB
PHP
44 lines
1.2 KiB
PHP
<?php
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namespace WP_Ultimo\Dependencies\Amp\ByteStream;
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use WP_Ultimo\Dependencies\Amp\Deferred;
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use WP_Ultimo\Dependencies\Amp\Promise;
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use WP_Ultimo\Dependencies\Amp\Success;
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class OutputBuffer implements OutputStream, Promise
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{
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/** @var Deferred */
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private $deferred;
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/** @var string */
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private $contents = '';
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/** @var bool */
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private $closed = \false;
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public function __construct()
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{
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$this->deferred = new Deferred();
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}
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public function write(string $data) : Promise
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{
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if ($this->closed) {
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throw new ClosedException("The stream has already been closed.");
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}
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$this->contents .= $data;
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return new Success(\strlen($data));
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}
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public function end(string $finalData = "") : Promise
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{
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if ($this->closed) {
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throw new ClosedException("The stream has already been closed.");
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}
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$this->contents .= $finalData;
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$this->closed = \true;
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$this->deferred->resolve($this->contents);
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$this->contents = "";
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return new Success(\strlen($finalData));
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}
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public function onResolve(callable $onResolved)
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{
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$this->deferred->promise()->onResolve($onResolved);
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}
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}
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