<?php
namespace Symfony\Component\Console\Output;
use Symfony\Component\Console\Exception\InvalidArgumentException;
use Symfony\Component\Console\Formatter\OutputFormatterInterface;
class TrimmedBufferOutput extends Output
{
private int $maxLength;
private string $buffer = '';
public function __construct(int $maxLength, ?int $verbosity = self::VERBOSITY_NORMAL, bool $decorated = false, ?OutputFormatterInterface $formatter = null)
{
if ($maxLength <= 0) {
throw new InvalidArgumentException(\sprintf('"%s()" expects a strictly positive maxLength. Got %d.', __METHOD__, $maxLength));
}
parent::__construct($verbosity, $decorated, $formatter);
$this->maxLength = $maxLength;
}
public function fetch(): string
{
$content = $this->buffer;
$this->buffer = '';
return $content;
}
protected function doWrite(string $message, bool $newline): void
{
$this->buffer .= $message;
if ($newline) {
$this->buffer .= \PHP_EOL;
}
$this->buffer = substr($this->buffer, -$this->maxLength);
}
}