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<?php |
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declare(strict_types=1); |
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namespace PhpCfdi\RfcLinc\Util; |
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class CommandReader implements ReaderInterface |
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{ |
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/** @var resource|null */ |
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private $process; |
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/** @var resource|null */ |
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private $inputPipe; |
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3 |
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public function __destruct() |
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{ |
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$this->close(); |
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} |
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public function open(string $command) |
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{ |
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$this->close(); |
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$process = proc_open( |
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$command, |
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[ |
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0 => ['pipe', 'r'], |
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1 => ['pipe', 'w'], |
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2 => ['pipe', 'w'], |
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], |
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$pipes |
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); |
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// if the process is not a resource |
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if (! is_resource($process)) { |
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throw new \RuntimeException('Cannot create a reader from the command'); |
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} |
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// close stdin and stderr |
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foreach ([0, 2] as $pipeIndex) { |
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if (isset($pipes[$pipeIndex]) && is_resource($pipes[$pipeIndex])) { |
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fclose($pipes[$pipeIndex]); |
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} |
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} |
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// setup object |
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$this->process = $process; |
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$this->inputPipe = $pipes[1]; |
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} |
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public function readLine() |
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{ |
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if (! is_resource($this->process)) { |
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throw new \RuntimeException('File is not open (command)'); |
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} |
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if (! is_resource($this->inputPipe)) { |
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throw new \RuntimeException('File is not open (pipe)'); |
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} |
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return stream_get_line($this->inputPipe, 1024, PHP_EOL); |
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} |
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public function close() |
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{ |
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if (is_resource($this->inputPipe)) { |
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fclose($this->inputPipe); |
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$this->inputPipe = null; |
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} |
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if (is_resource($this->process)) { |
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$status = proc_get_status($this->process) ? : []; |
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if ($status['running'] ?? false) { |
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proc_terminate($this->process); |
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} |
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proc_close($this->process); |
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$this->process = null; |
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} |
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} |
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public function isOpen(): bool |
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{ |
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return is_resource($this->process); |
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} |
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} |
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phpcfdi /
rfclinc
