/**
* {@inheritdoc}
*
* @param Isolator $isolator Custom PHP isolator instance.
*/
public function process($source, Isolator $isolator = null)
{
$isolator = !empty($isolator) ? $isolator : new Isolator();
//Real php source code isolation
$source = $isolator->isolatePHP($source);
//Restoring only evaluator blocks
$phpBlocks = $evaluateBlocks = [];
foreach ($isolator->getBlocks() as $id => $phpBlock) {
foreach ($this->options['flags'] as $flag) {
if (strpos($phpBlock, $flag) !== false) {
$evaluateBlocks[$id] = $phpBlock;
continue 2;
}
}
$phpBlocks[$id] = $phpBlock;
}
$source = $isolator->setBlocks($evaluateBlocks)->repairPHP($source);
$isolator->setBlocks($phpBlocks);
//Required to prevent collisions
$filename = $this->views->config()['cache']['directory'] . "/{$this->uniqueID()}.php";
try {
$this->files->write($filename, $source, FilesInterface::RUNTIME, true);
ob_start();
include_once $filename;
$source = ob_get_clean();
$this->files->delete($filename);
} catch (\ErrorException $exception) {
throw $exception;
}
return $isolator->repairPHP($source);
}
/**
* {@inheritdoc}
*/
public function __construct(ViewManager $views, FilesInterface $files, $namespace, $view, $filename)
{
//Our configuration is stored in parent ViewManager config
$this->config = $views->config()['compiler'];
$this->config['cache'] = $views->config()['cache'];
$this->views = $views;
$this->files = $files;
$this->namespace = $namespace;
$this->view = $view;
$this->filename = $filename;
$this->dependencies = $views->getDependencies();
}
