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<?php |
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namespace Mhor\MediaInfo\Runner; |
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use Symfony\Component\Process\ProcessBuilder; |
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class MediaInfoCommandRunner |
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{ |
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/** |
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* @var string |
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*/ |
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protected $filePath; |
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/** |
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* @var ProcessBuilder |
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*/ |
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protected $processBuilder; |
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/** |
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* @var Process |
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*/ |
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protected $processAsync = null; |
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/** |
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* @var string |
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*/ |
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protected $command = 'mediainfo'; |
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/** |
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* @var array |
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*/ |
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protected $arguments = array('--OUTPUT=XML', '-f'); |
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/** |
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* @param string $filePath |
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* @param array $arguments |
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* @param ProcessBuilder $processBuilder |
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*/ |
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public function __construct( |
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$filePath, |
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$command = null, |
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array $arguments = null, |
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$processBuilder = null |
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) { |
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$this->filePath = $filePath; |
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if ($command !== null) { |
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$this->command = $command; |
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} |
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if ($arguments !== null) { |
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$this->arguments = $arguments; |
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} |
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if ($processBuilder === null) { |
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$this->processBuilder = ProcessBuilder::create() |
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->setPrefix($this->command) |
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->setArguments($this->arguments); |
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} else { |
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$this->processBuilder = $processBuilder; |
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} |
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} |
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/** |
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* @throws \RuntimeException |
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* |
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* @return string |
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*/ |
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public function run() |
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{ |
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$lc_ctype = setlocale(LC_CTYPE, 0); |
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$this->processBuilder->add($this->filePath); |
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$this->processBuilder->setEnv('LANG', $lc_ctype); |
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$process = $this->processBuilder->getProcess(); |
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$process->run(); |
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if (!$process->isSuccessful()) { |
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throw new \RuntimeException($process->getErrorOutput()); |
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} |
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return $process->getOutput(); |
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} |
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/** |
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* Asynchronously start mediainfo operation. |
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* Make call to MediaInfoCommandRunner::wait() afterwards to receive output. |
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*/ |
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public function start() |
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{ |
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$this->processBuilder->add($this->filePath); |
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$this->processAsync = $this->processBuilder->getProcess(); |
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// just takes advantage of symfony's underlying Process framework |
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// process runs in background |
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$this->processAsync->start(); |
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} |
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/** |
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* Blocks until call is complete. |
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* |
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* @throws \Exception If this function is called before start() |
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* @throws \RuntimeException |
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* |
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* @return string |
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*/ |
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public function wait() |
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{ |
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if ($this->processAsync == null) { |
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throw new \Exception('You must run `start` before running `wait`'); |
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} |
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// blocks here until process completes |
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$this->processAsync->wait(); |
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if (!$this->processAsync->isSuccessful()) { |
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throw new \RuntimeException($this->processAsync->getErrorOutput()); |
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} |
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return $this->processAsync->getOutput(); |
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} |
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} |
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Our type inference engine has found an assignment to a property that is incompatible with the declared type of that property.
Either this assignment is in error or the assigned type should be added to the documentation/type hint for that property..