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<?php |
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/** |
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* This file is part of the Ghostscript package |
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* |
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* @author Daniel Schröder <[email protected]> |
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*/ |
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namespace GravityMedia\Ghostscript\Device; |
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use GravityMedia\Ghostscript\Process\Argument as ProcessArgument; |
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use GravityMedia\Ghostscript\Process\Arguments as ProcessArguments; |
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use Symfony\Component\Process\Process; |
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use Symfony\Component\Process\ProcessBuilder; |
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/** |
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* The abstract device class |
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* |
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* @package GravityMedia\Ghostscript\Devices |
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*/ |
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abstract class AbstractDevice |
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{ |
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/** |
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* The process builder object |
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* |
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* @var ProcessBuilder |
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*/ |
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private $builder; |
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/** |
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* The arguments object |
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* |
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* @var ProcessArguments |
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*/ |
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private $arguments; |
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/** |
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* Create abstract device object |
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* |
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* @param ProcessBuilder $builder |
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* @param ProcessArguments $arguments |
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*/ |
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public function __construct(ProcessBuilder $builder, ProcessArguments $arguments) |
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{ |
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$this->builder = $builder; |
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$this->arguments = $arguments; |
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} |
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/** |
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* Get Argument |
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* @param string $name |
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* |
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* @return null|ProcessArgument |
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*/ |
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protected function getArgument($name) |
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{ |
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return $this->arguments->getArgument($name); |
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} |
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/** |
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* Get argument value |
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* @param string $name |
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* |
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* @return null|string |
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*/ |
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protected function getArgumentValue($name) |
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{ |
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$argument = $this->getArgument($name); |
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if (null === $argument) { |
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return null; |
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} |
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return $argument->getValue(); |
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} |
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/** |
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* Set argument |
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* @param string $argument |
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* |
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* @return $this |
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*/ |
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protected function setArgument($argument) |
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{ |
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$this->arguments->setArgument($argument); |
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return $this; |
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} |
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/** |
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* Create process object |
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* |
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* @param string $inputFile |
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* |
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* @throws \RuntimeException |
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* |
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* @return Process |
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*/ |
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public function createProcess($inputFile) |
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{ |
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if (!is_file($inputFile)) { |
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throw new \RuntimeException('Input file does not exist'); |
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} |
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$arguments = array_values($this->arguments->toArray()); |
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array_push($arguments, '-f', $inputFile); |
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return $this->builder->setArguments($arguments)->getProcess(); |
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} |
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} |
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GravityMedia /
Ghostscript
