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PK Y��\KXq�W W LoaderInterface.phpnu �[��� <?php /* * This file is part of Twig. * * (c) Fabien Potencier * * For the full copyright and license information, please view the LICENSE * file that was distributed with this source code. */ namespace Twig\Loader; use Twig\Error\LoaderError; use Twig\Source; /** * Interface all loaders must implement. * * @author Fabien Potencier <fabien@symfony.com> */ interface LoaderInterface { /** * Returns the source context for a given template logical name. * * @throws LoaderError When $name is not found */ public function getSourceContext(string $name): Source; /** * Gets the cache key to use for the cache for a given template name. * * @throws LoaderError When $name is not found */ public function getCacheKey(string $name): string; /** * @param int $time Timestamp of the last modification time of the cached template * * @throws LoaderError When $name is not found */ public function isFresh(string $name, int $time): bool; /** * @return bool */ public function exists(string $name); } PK Y��\�{�� ChainLoader.phpnu �[��� <?php /* * This file is part of Twig. * * (c) Fabien Potencier * * For the full copyright and license information, please view the LICENSE * file that was distributed with this source code. */ namespace Twig\Loader; use Twig\Error\LoaderError; use Twig\Source; /** * Loads templates from other loaders. * * @author Fabien Potencier <fabien@symfony.com> */ final class ChainLoader implements LoaderInterface { /** * @var array<string, bool> */ private $hasSourceCache = []; /** * @param iterable<LoaderInterface> $loaders */ public function __construct( private iterable $loaders = [], ) { } public function addLoader(LoaderInterface $loader): void { $current = $this->loaders; $this->loaders = (static function () use ($current, $loader): \Generator { yield from $current; yield $loader; })(); $this->hasSourceCache = []; } /** * @return LoaderInterface[] */ public function getLoaders(): array { if (!\is_array($this->loaders)) { $this->loaders = iterator_to_array($this->loaders, false); } return $this->loaders; } public function getSourceContext(string $name): Source { $exceptions = []; foreach ($this->getLoaders() as $loader) { if (!$loader->exists($name)) { continue; } try { return $loader->getSourceContext($name); } catch (LoaderError $e) { $exceptions[] = $e->getMessage(); } } throw new LoaderError(\sprintf('Template "%s" is not defined%s.', $name, $exceptions ? ' ('.implode(', ', $exceptions).')' : '')); } public function exists(string $name): bool { if (isset($this->hasSourceCache[$name])) { return $this->hasSourceCache[$name]; } foreach ($this->getLoaders() as $loader) { if ($loader->exists($name)) { return $this->hasSourceCache[$name] = true; } } return $this->hasSourceCache[$name] = false; } public function getCacheKey(string $name): string { $exceptions = []; foreach ($this->getLoaders() as $loader) { if (!$loader->exists($name)) { continue; } try { return $loader->getCacheKey($name); } catch (LoaderError $e) { $exceptions[] = \get_class($loader).': '.$e->getMessage(); } } throw new LoaderError(\sprintf('Template "%s" is not defined%s.', $name, $exceptions ? ' ('.implode(', ', $exceptions).')' : '')); } public function isFresh(string $name, int $time): bool { $exceptions = []; foreach ($this->getLoaders() as $loader) { if (!$loader->exists($name)) { continue; } try { return $loader->isFresh($name, $time); } catch (LoaderError $e) { $exceptions[] = \get_class($loader).': '.$e->getMessage(); } } throw new LoaderError(\sprintf('Template "%s" is not defined%s.', $name, $exceptions ? ' ('.implode(', ', $exceptions).')' : '')); } } PK Y��\io�s� � ArrayLoader.phpnu �[��� <?php /* * This file is part of Twig. * * (c) Fabien Potencier * * For the full copyright and license information, please view the LICENSE * file that was distributed with this source code. */ namespace Twig\Loader; use Twig\Error\LoaderError; use Twig\Source; /** * Loads a template from an array. * * When using this loader with a cache mechanism, you should know that a new cache * key is generated each time a template content "changes" (the cache key being the * source code of the template). If you don't want to see your cache grows out of * control, you need to take care of clearing the old cache file by yourself. * * This loader should only be used for unit testing. * * @author Fabien Potencier <fabien@symfony.com> */ final class ArrayLoader implements LoaderInterface { /** * @param array $templates An array of templates (keys are the names, and values are the source code) */ public function __construct( private array $templates = [], ) { } public function setTemplate(string $name, string $template): void { $this->templates[$name] = $template; } public function getSourceContext(string $name): Source { if (!isset($this->templates[$name])) { throw new LoaderError(\sprintf('Template "%s" is not defined.', $name)); } return new Source($this->templates[$name], $name); } public function exists(string $name): bool { return isset($this->templates[$name]); } public function getCacheKey(string $name): string { if (!isset($this->templates[$name])) { throw new LoaderError(\sprintf('Template "%s" is not defined.', $name)); } return $name.':'.$this->templates[$name]; } public function isFresh(string $name, int $time): bool { if (!isset($this->templates[$name])) { throw new LoaderError(\sprintf('Template "%s" is not defined.', $name)); } return true; } } PK Y��\ c�_� � FilesystemLoader.phpnu �[��� <?php /* * This file is part of Twig. * * (c) Fabien Potencier * * For the full copyright and license information, please view the LICENSE * file that was distributed with this source code. */ namespace Twig\Loader; use Twig\Error\LoaderError; use Twig\Source; /** * Loads template from the filesystem. * * @author Fabien Potencier <fabien@symfony.com> */ class FilesystemLoader implements LoaderInterface { /** Identifier of the main namespace. */ public const MAIN_NAMESPACE = '__main__'; /** * @var array<string, list<string>> */ protected $paths = []; protected $cache = []; protected $errorCache = []; private $rootPath; /** * @param string|string[] $paths A path or an array of paths where to look for templates * @param string|null $rootPath The root path common to all relative paths (null for getcwd()) */ public function __construct($paths = [], ?string $rootPath = null) { $this->rootPath = ($rootPath ?? getcwd()).\DIRECTORY_SEPARATOR; if (null !== $rootPath && false !== ($realPath = realpath($rootPath))) { $this->rootPath = $realPath.\DIRECTORY_SEPARATOR; } if ($paths) { $this->setPaths($paths); } } /** * Returns the paths to the templates. * * @return list<string> */ public function getPaths(string $namespace = self::MAIN_NAMESPACE): array { return $this->paths[$namespace] ?? []; } /** * Returns the path namespaces. * * The main namespace is always defined. * * @return list<string> */ public function getNamespaces(): array { return array_keys($this->paths); } /** * @param string|string[] $paths A path or an array of paths where to look for templates */ public function setPaths($paths, string $namespace = self::MAIN_NAMESPACE): void { if (!\is_array($paths)) { $paths = [$paths]; } $this->paths[$namespace] = []; foreach ($paths as $path) { $this->addPath($path, $namespace); } } /** * @throws LoaderError */ public function addPath(string $path, string $namespace = self::MAIN_NAMESPACE): void { // invalidate the cache $this->cache = $this->errorCache = []; $checkPath = $this->isAbsolutePath($path) ? $path : $this->rootPath.$path; if (!is_dir($checkPath)) { throw new LoaderError(\sprintf('The "%s" directory does not exist ("%s").', $path, $checkPath)); } $this->paths[$namespace][] = rtrim($path, '/\\'); } /** * @throws LoaderError */ public function prependPath(string $path, string $namespace = self::MAIN_NAMESPACE): void { // invalidate the cache $this->cache = $this->errorCache = []; $checkPath = $this->isAbsolutePath($path) ? $path : $this->rootPath.$path; if (!is_dir($checkPath)) { throw new LoaderError(\sprintf('The "%s" directory does not exist ("%s").', $path, $checkPath)); } $path = rtrim($path, '/\\'); if (!isset($this->paths[$namespace])) { $this->paths[$namespace][] = $path; } else { array_unshift($this->paths[$namespace], $path); } } public function getSourceContext(string $name): Source { if (null === $path = $this->findTemplate($name)) { return new Source('', $name, ''); } return new Source(file_get_contents($path), $name, $path); } public function getCacheKey(string $name): string { if (null === $path = $this->findTemplate($name)) { return ''; } $len = \strlen($this->rootPath); if (0 === strncmp($this->rootPath, $path, $len)) { return substr($path, $len); } return $path; } /** * @return bool */ public function exists(string $name) { $name = $this->normalizeName($name); if (isset($this->cache[$name])) { return true; } return null !== $this->findTemplate($name, false); } public function isFresh(string $name, int $time): bool { // false support to be removed in 3.0 if (null === $path = $this->findTemplate($name)) { return false; } return filemtime($path) < $time; } /** * @return string|null */ protected function findTemplate(string $name, bool $throw = true) { $name = $this->normalizeName($name); if (isset($this->cache[$name])) { return $this->cache[$name]; } if (isset($this->errorCache[$name])) { if (!$throw) { return null; } throw new LoaderError($this->errorCache[$name]); } try { [$namespace, $shortname] = $this->parseName($name); $this->validateName($shortname); } catch (LoaderError $e) { if (!$throw) { return null; } throw $e; } if (!isset($this->paths[$namespace])) { $this->errorCache[$name] = \sprintf('There are no registered paths for namespace "%s".', $namespace); if (!$throw) { return null; } throw new LoaderError($this->errorCache[$name]); } foreach ($this->paths[$namespace] as $path) { if (!$this->isAbsolutePath($path)) { $path = $this->rootPath.$path; } if (is_file($path.'/'.$shortname)) { if (false !== $realpath = realpath($path.'/'.$shortname)) { return $this->cache[$name] = $realpath; } return $this->cache[$name] = $path.'/'.$shortname; } } $this->errorCache[$name] = \sprintf('Unable to find template "%s" (looked into: %s).', $name, implode(', ', $this->paths[$namespace])); if (!$throw) { return null; } throw new LoaderError($this->errorCache[$name]); } private function normalizeName(string $name): string { return preg_replace('#/{2,}#', '/', str_replace('\\', '/', $name)); } private function parseName(string $name, string $default = self::MAIN_NAMESPACE): array { if (isset($name[0]) && '@' == $name[0]) { if (false === $pos = strpos($name, '/')) { throw new LoaderError(\sprintf('Malformed namespaced template name "%s" (expecting "@namespace/template_name").', $name)); } $namespace = substr($name, 1, $pos - 1); $shortname = substr($name, $pos + 1); return [$namespace, $shortname]; } return [$default, $name]; } private function validateName(string $name): void { if (str_contains($name, "\0")) { throw new LoaderError('A template name cannot contain NUL bytes.'); } $name = ltrim($name, '/'); $parts = explode('/', $name); $level = 0; foreach ($parts as $part) { if ('..' === $part) { --$level; } elseif ('.' !== $part) { ++$level; } if ($level < 0) { throw new LoaderError(\sprintf('Looks like you try to load a template outside configured directories (%s).', $name)); } } } private function isAbsolutePath(string $file): bool { return strspn($file, '/\\', 0, 1) || (\strlen($file) > 3 && ctype_alpha($file[0]) && ':' === $file[1] && strspn($file, '/\\', 2, 1) ) || null !== parse_url($file, \PHP_URL_SCHEME) ; } } PK Y��\KXq�W W LoaderInterface.phpnu �[��� PK Y��\�{�� � ChainLoader.phpnu �[��� PK Y��\io�s� � � ArrayLoader.phpnu �[��� PK Y��\ c�_� � FilesystemLoader.phpnu �[��� PK E L9
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