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<?php |
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declare(strict_types = 1); |
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namespace AlexMasterov\EquipTwig\Loader; |
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use AlexMasterov\EquipTwig\Exception\LoaderException; |
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use Twig_LoaderInterface; |
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use Twig_Source; |
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final class FilesystemLoader implements Twig_LoaderInterface |
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{ |
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/** |
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* @var string |
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*/ |
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private $path; |
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/** |
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* @var array |
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*/ |
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private $fileExtensions = []; |
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/** |
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* @var array |
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*/ |
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private $cache = []; |
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public function __construct(string $path, array $fileExtensions = ['html.twig', 'twig']) |
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{ |
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$this->path = $path; |
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$this->fileExtensions = $fileExtensions; |
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} |
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/** |
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* @inheritDoc |
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*/ |
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public function getSourceContext($name) |
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{ |
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$code = file_get_contents($this->template($name)); |
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return new Twig_Source($code, $name); |
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} |
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/** |
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* @inheritDoc |
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*/ |
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public function getCacheKey($name) |
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{ |
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return $this->template($name); |
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} |
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/** |
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* @inheritDoc |
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*/ |
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public function isFresh($name, $time) |
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{ |
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return filemtime($this->template($name)) <= $time; |
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} |
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/** |
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* @inheritDoc |
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*/ |
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public function exists($name) |
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{ |
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if (isset($this->cache[$name])) { |
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return true; |
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} |
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return (bool) $this->findTemplate($name); |
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} |
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/** |
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* @param string $name |
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* |
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* @return string |
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* |
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* @throws LoaderException |
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* When $name is not found. |
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*/ |
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private function template($name) |
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{ |
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if (isset($this->cache[$name])) { |
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return $this->cache[$name]; |
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} |
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$found = $this->findTemplate($name); |
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if (null === $found) { |
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throw LoaderException::notFound($name, $this->path); |
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} |
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return $this->cache[$name] = $found; |
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} |
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/** |
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* @param string $name |
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* |
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* @return string|null |
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*/ |
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private function findTemplate($name) |
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{ |
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$files = $this->possibleTemplateFiles($name); |
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foreach ($files as $file) { |
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$filepath = $this->path . DIRECTORY_SEPARATOR . $file; |
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if (is_file($filepath) && is_readable($filepath)) { |
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return realpath($filepath); |
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} |
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} |
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return null; |
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} |
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/** |
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* @param string $name |
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* |
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* @return Generator |
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*/ |
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private function possibleTemplateFiles($name) |
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{ |
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yield $name = $this->normalizeName($name); |
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foreach ($this->fileExtensions as $extension) { |
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yield "{$name}.{$extension}"; |
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} |
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} |
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/** |
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* @param string $name |
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* |
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* @return string |
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*/ |
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5 |
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private function normalizeName($name) |
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{ |
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return preg_replace('#/{2,}#', |
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5 |
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DIRECTORY_SEPARATOR, |
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str_replace('\\', DIRECTORY_SEPARATOR, $name) |
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); |
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} |
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} |
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AlexMasterov /
equip-twig
