NamespaceLoader.php

<?php

/**
 * This file is part of the Latte (https://latte.nette.org)
 * Copyright (c) 2008 David Grudl (https://davidgrudl.com)
 */

declare(strict_types=1);

namespace Latte\Loaders;

use Latte;


/**
 * Template loader.
 */
class NamespaceLoader implements Latte\Loader
{
	/**
	 * @var Latte\Loader[]
	 */
	private array $loaders;

	public function __construct(array $loaders)
	{
		$this->loaders = $loaders;
	}

	/**
	 * Returns template source code.
	 */
	public function getContent(string $name): string
	{
		[$loader, $name] = $this->extractLoaderAndName($name);

		return $loader->getContent($name);
	}


	public function isExpired(string $file, int $time): bool
	{
		[$loader, $name] = $this->extractLoaderAndName($file);

		return $loader->isExpired($name, $time);
	}


	/**
	 * Returns referred template name.
	 */
	public function getReferredName(string $name, string $referringName): string
	{
		[$loader, $name] = $this->extractLoaderAndName($name);

		return $loader->getReferredName($name, $referringName);
	}


	/**
	 * Returns unique identifier for caching.
	 */
	public function getUniqueId(string $name): string
	{
		[$loader, $name] = $this->extractLoaderAndName($name);

		return $loader->getUniqueId($name);
	}


	private function extractLoaderAndName(string $name): array
	{
		$namespaceParts = \explode('::', $name, 2);

		if (count($namespaceParts) === 2) {
			return [
				$this->loaders[$namespaceParts[0]],
				$namespaceParts[1],
			];
		}

		return [
			$this->loaders[''],
			$name,
		];
	}
}