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opt / cpanel / ea-wappspector / vendor / rector / rector / vendor / react / stream / src /

?? ..
?? CompositeStream.php(1.85 KB)
?? DuplexResourceStream.php(7.38 KB)
?? DuplexStreamInterface.php(1.7 KB)
?? ReadableResourceStream.php(5.96 KB)
?? ReadableStreamInterface.php(13.93 KB)
?? ThroughStream.php(5.15 KB)
?? Util.php(2.23 KB)
?? WritableResourceStream.php(5.5 KB)
?? WritableStreamInterface.php(14.43 KB)

Editing: DuplexResourceStream.php

<?php

namespace RectorPrefix202411\React\Stream;

use RectorPrefix202411\Evenement\EventEmitter;
use RectorPrefix202411\React\EventLoop\Loop;
use RectorPrefix202411\React\EventLoop\LoopInterface;
use InvalidArgumentException;
final class DuplexResourceStream extends EventEmitter implements DuplexStreamInterface
{
    private $stream;
    /** @var LoopInterface */
    private $loop;
    /**
     * Controls the maximum buffer size in bytes to read at once from the stream.
     *
     * This can be a positive number which means that up to X bytes will be read
     * at once from the underlying stream resource. Note that the actual number
     * of bytes read may be lower if the stream resource has less than X bytes
     * currently available.
     *
     * This can be `-1` which means read everything available from the
     * underlying stream resource.
     * This should read until the stream resource is not readable anymore
     * (i.e. underlying buffer drained), note that this does not neccessarily
     * mean it reached EOF.
     *
     * @var int
     */
    private $bufferSize;
    private $buffer;
    private $readable = \true;
    private $writable = \true;
    private $closing = \false;
    private $listening = \false;
    /**
     * @param resource $stream
     * @param ?LoopInterface $loop
     * @param ?int $readChunkSize
     * @param ?WritableStreamInterface $buffer
     */
    public function __construct($stream, $loop = null, $readChunkSize = null, $buffer = null)
    {
        if (!\is_resource($stream) || \get_resource_type($stream) !== "stream") {
            throw new InvalidArgumentException('First parameter must be a valid stream resource');
        }
        // ensure resource is opened for reading and wrting (fopen mode must contain "+")
        $meta = \stream_get_meta_data($stream);
        if (isset($meta['mode']) && $meta['mode'] !== '' && \strpos($meta['mode'], '+') === \false) {
            throw new InvalidArgumentException('Given stream resource is not opened in read and write mode');
        }
        // this class relies on non-blocking I/O in order to not interrupt the event loop
        // e.g. pipes on Windows do not support this: https://bugs.php.net/bug.php?id=47918
        if ($buffer !== null && !$buffer instanceof WritableResourceStream && \stream_set_blocking($stream, \false) !== \true) {
            throw new \RuntimeException('Unable to set stream resource to non-blocking mode');
        }
        if ($loop !== null && !$loop instanceof LoopInterface) {
            // manual type check to support legacy PHP < 7.1
            throw new \InvalidArgumentException('Argument #2 ($loop) expected null|React\\EventLoop\\LoopInterface');
        }
        if ($buffer !== null && !$buffer instanceof WritableStreamInterface) {
            // manual type check to support legacy PHP < 7.1
            throw new \InvalidArgumentException('Argument #4 ($buffer) expected null|React\\Stream\\WritableStreamInterface');
        }
        // Use unbuffered read operations on the underlying stream resource.
        // Reading chunks from the stream may otherwise leave unread bytes in
        // PHP's stream buffers which some event loop implementations do not
        // trigger events on (edge triggered).
        // This does not affect the default event loop implementation (level
        // triggered), so we can ignore platforms not supporting this (HHVM).
        // Pipe streams (such as STDIN) do not seem to require this and legacy
        // PHP versions cause SEGFAULTs on unbuffered pipe streams, so skip this.
        if (\function_exists('stream_set_read_buffer') && !$this->isLegacyPipe($stream)) {
            \stream_set_read_buffer($stream, 0);
        }
        if ($buffer === null) {
            $buffer = new WritableResourceStream($stream, $loop);
        }
        $this->stream = $stream;
        $this->loop = $loop ?: Loop::get();
        $this->bufferSize = $readChunkSize === null ? 65536 : (int) $readChunkSize;
        $this->buffer = $buffer;
        $that = $this;
        $this->buffer->on('error', function ($error) use($that) {
            $that->emit('error', array($error));
        });
        $this->buffer->on('close', array($this, 'close'));
        $this->buffer->on('drain', function () use($that) {
            $that->emit('drain');
        });
        $this->resume();
    }
    public function isReadable()
    {
        return $this->readable;
    }
    public function isWritable()
    {
        return $this->writable;
    }
    public function pause()
    {
        if ($this->listening) {
            $this->loop->removeReadStream($this->stream);
            $this->listening = \false;
        }
    }
    public function resume()
    {
        if (!$this->listening && $this->readable) {
            $this->loop->addReadStream($this->stream, array($this, 'handleData'));
            $this->listening = \true;
        }
    }
    public function write($data)
    {
        if (!$this->writable) {
            return \false;
        }
        return $this->buffer->write($data);
    }
    public function close()
    {
        if (!$this->writable && !$this->closing) {
            return;
        }
        $this->closing = \false;
        $this->readable = \false;
        $this->writable = \false;
        $this->emit('close');
        $this->pause();
        $this->buffer->close();
        $this->removeAllListeners();
        if (\is_resource($this->stream)) {
            \fclose($this->stream);
        }
    }
    public function end($data = null)
    {
        if (!$this->writable) {
            return;
        }
        $this->closing = \true;
        $this->readable = \false;
        $this->writable = \false;
        $this->pause();
        $this->buffer->end($data);
    }
    public function pipe(WritableStreamInterface $dest, array $options = array())
    {
        return Util::pipe($this, $dest, $options);
    }
    /** @internal */
    public function handleData($stream)
    {
        $error = null;
        \set_error_handler(function ($errno, $errstr, $errfile, $errline) use(&$error) {
            $error = new \ErrorException($errstr, 0, $errno, $errfile, $errline);
        });
        $data = \stream_get_contents($stream, $this->bufferSize);
        \restore_error_handler();
        if ($error !== null) {
            $this->emit('error', array(new \RuntimeException('Unable to read from stream: ' . $error->getMessage(), 0, $error)));
            $this->close();
            return;
        }
        if ($data !== '') {
            $this->emit('data', array($data));
        } elseif (\feof($this->stream)) {
            // no data read => we reached the end and close the stream
            $this->emit('end');
            $this->close();
        }
    }
    /**
     * Returns whether this is a pipe resource in a legacy environment
     *
     * This works around a legacy PHP bug (#61019) that was fixed in PHP 5.4.28+
     * and PHP 5.5.12+ and newer.
     *
     * @param resource $resource
     * @return bool
     * @link https://github.com/reactphp/child-process/issues/40
     *
     * @codeCoverageIgnore
     */
    private function isLegacyPipe($resource)
    {
        if (\PHP_VERSION_ID < 50428 || \PHP_VERSION_ID >= 50500 && \PHP_VERSION_ID < 50512) {
            $meta = \stream_get_meta_data($resource);
            if (isset($meta['stream_type']) && $meta['stream_type'] === 'STDIO') {
                return \true;
            }
        }
        return \false;
    }
}

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