/
BufferIO.php
102 lines (83 loc) · 2.85 KB
/
BufferIO.php
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<?php declare(strict_types=1);
/*
* This file is part of Composer.
*
* (c) Nils Adermann <naderman@naderman.de>
* Jordi Boggiano <j.boggiano@seld.be>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Composer\IO;
use Composer\Pcre\Preg;
use Symfony\Component\Console\Helper\QuestionHelper;
use Symfony\Component\Console\Output\StreamOutput;
use Symfony\Component\Console\Formatter\OutputFormatterInterface;
use Symfony\Component\Console\Input\StreamableInputInterface;
use Symfony\Component\Console\Input\StringInput;
use Symfony\Component\Console\Helper\HelperSet;
/**
* @author Jordi Boggiano <j.boggiano@seld.be>
*/
class BufferIO extends ConsoleIO
{
/** @var StringInput */
protected $input;
/** @var StreamOutput */
protected $output;
public function __construct(string $input = '', int $verbosity = StreamOutput::VERBOSITY_NORMAL, ?OutputFormatterInterface $formatter = null)
{
$input = new StringInput($input);
$input->setInteractive(false);
$output = new StreamOutput(fopen('php://memory', 'rw'), $verbosity, $formatter ? $formatter->isDecorated() : false, $formatter);
parent::__construct($input, $output, new HelperSet([
new QuestionHelper(),
]));
}
/**
* @return string output
*/
public function getOutput(): string
{
fseek($this->output->getStream(), 0);
$output = stream_get_contents($this->output->getStream());
$output = Preg::replaceCallback("{(?<=^|\n|\x08)(.+?)(\x08+)}", static function ($matches): string {
assert(is_string($matches[1]));
assert(is_string($matches[2]));
$pre = strip_tags($matches[1]);
if (strlen($pre) === strlen($matches[2])) {
return '';
}
// TODO reverse parse the string, skipping span tags and \033\[([0-9;]+)m(.*?)\033\[0m style blobs
return rtrim($matches[1])."\n";
}, $output);
return $output;
}
/**
* @param string[] $inputs
*
* @see createStream
*/
public function setUserInputs(array $inputs): void
{
if (!$this->input instanceof StreamableInputInterface) {
throw new \RuntimeException('Setting the user inputs requires at least the version 3.2 of the symfony/console component.');
}
$this->input->setStream($this->createStream($inputs));
$this->input->setInteractive(true);
}
/**
* @param string[] $inputs
*
* @return false|resource stream
*/
private function createStream(array $inputs)
{
$stream = fopen('php://memory', 'r+');
foreach ($inputs as $input) {
fwrite($stream, $input.PHP_EOL);
}
rewind($stream);
return $stream;
}
}