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<?php |
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/* |
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* This file is part of the php-phantomjs. |
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* |
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* For the full copyright and license information, please view the LICENSE |
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* file that was distributed with this source code. |
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*/ |
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namespace JonnyW\PhantomJs\Procedure; |
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use JonnyW\PhantomJs\Validator\EngineInterface; |
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use JonnyW\PhantomJs\Exception\SyntaxException; |
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use JonnyW\PhantomJs\Exception\RequirementException; |
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/** |
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* PHP PhantomJs |
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* |
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* @author Jon Wenmoth <[email protected]> |
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*/ |
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class ProcedureValidator implements ProcedureValidatorInterface |
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{ |
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/** |
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* Procedure loader. |
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* |
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* @var \JonnyW\PhantomJs\Procedure\ProcedureLoaderInterface |
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* @access protected |
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*/ |
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protected $procedureLoader; |
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/** |
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* Validator engine |
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* |
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* @var \JonnyW\PhantomJs\Validator\EngineInterface |
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* @access protected |
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*/ |
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protected $engine; |
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/** |
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* Internal constructor. |
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* |
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* @access public |
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* @param \JonnyW\PhantomJs\Procedure\ProcedureLoaderInterface $procedureLoader |
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* @param \JonnyW\PhantomJs\Validator\EngineInterface $engine |
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*/ |
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public function __construct(ProcedureLoaderInterface $procedureLoader, EngineInterface $engine) |
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{ |
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$this->procedureLoader = $procedureLoader; |
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$this->engine = $engine; |
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} |
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/** |
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* Validate procedure. |
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* |
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* @access public |
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* @param string $procedure |
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* @return boolean |
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* @throws \JonnyW\PhantomJs\Exception\ProcedureValidationException |
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*/ |
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public function validate($procedure) |
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{ |
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$this->validateSyntax($procedure); |
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$this->validateRequirements($procedure); |
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return true; |
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} |
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/** |
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* Validate syntax. |
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* |
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* @access protected |
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* @param string $procedure |
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* @return void |
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* @throws \JonnyW\PhantomJs\Exception\SyntaxException |
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*/ |
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protected function validateSyntax($procedure) |
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{ |
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$input = new Input(); |
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$output = new Output(); |
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$input->set('procedure', $procedure); |
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$input->set('engine', $this->engine->toString()); |
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$validator = $this->procedureLoader->load('validator'); |
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$validator->run($input, $output); |
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$errors = $output->get('errors'); |
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if (!empty($errors)) { |
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throw new SyntaxException('Your procedure failed to compile due to a javascript syntax error', (array) $errors); |
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} |
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} |
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/** |
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* validateRequirements function. |
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* |
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* @access protected |
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* @param string $procedure |
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* @return void |
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* @throws \JonnyW\PhantomJs\Exception\RequirementException |
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*/ |
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protected function validateRequirements($procedure) |
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{ |
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if (preg_match('/phantom\.exit\(/', $procedure, $matches) !== 1) { |
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throw new RequirementException('Your procedure must contain a \'phantom.exit(1);\' command to avoid the PhantomJS process hanging'); |
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} |
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} |
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} |
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jonnnnyw /
php-phantomjs
