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<?php |
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declare(strict_types=1); |
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namespace Webrouse\AssetMacro; |
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use Nette\Http\IRequest; |
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use Nette\Utils\Strings; |
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use Webrouse\AssetMacro\Exceptions\InvalidVariableException; |
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use Webrouse\AssetMacro\Exceptions\ManifestNotFoundException; |
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class ManifestService |
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{ |
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/** @var Config */ |
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private $config; |
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/** @var string */ |
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private $baseUrl; |
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/** @var string */ |
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private $basePath; |
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/** @var Manifest[] */ |
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private $manifestCache = []; |
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public function __construct(Config $config, IRequest $httpRequest) |
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{ |
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$this->config = $config; |
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$url = $httpRequest->getUrl(); |
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$this->baseUrl = $url->getBaseUrl() . $this->config->getPublicPath(); |
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$this->basePath = $url->getBasePath() . $this->config->getPublicPath(); |
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} |
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public function getConfig(): Config |
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{ |
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return $this->config; |
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} |
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public function getManifest(string $assetPath = null, bool $needed = true): ?Manifest |
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{ |
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// Manifest is specified by array in config |
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if (($data = $this->config->getManifestAsArray()) !== null) { |
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$key = '__array__'; |
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if (empty($this->manifestCache[$key])) { |
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$this->manifestCache[$key] = new Manifest($this->config, null, $data); |
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} |
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return $this->manifestCache[$key]; |
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} |
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// Load manifest from JSON file |
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$path = $this->config->getManifestPath() ?? $this->autodetectManifest($assetPath, $needed); |
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if (!$path) { |
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return null; |
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} |
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if (!file_exists($path)) { |
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Utils::throwError( |
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new ManifestNotFoundException(sprintf("Manifest file not found: '%s'.", $path)), |
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$this->config->getMissingManifestPolicy(), |
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$needed |
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); |
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return null; |
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} |
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if (empty($this->manifestCache[$path])) { |
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$this->manifestCache[$path] = new Manifest($this->config, $path); |
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} |
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return $this->manifestCache[$path]; |
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} |
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public function getAsset(string $path, bool $needed = true): ?Asset |
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{ |
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$manifest = $this->getManifest($path, $needed); |
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return $manifest ? $manifest->getAsset($path, $needed) : $this->getAssetManifestNotFound($path); |
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} |
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public function formatOutput(Asset $asset, string $format = '%url%', bool $absolute = false): string |
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{ |
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$base = $absolute ? $this->baseUrl : $this->basePath; |
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return Strings::replace($format, |
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'/%([^%]+)%/', |
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function ($matches) use ($asset, $format, $base) { |
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switch ($matches[1]) { |
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case 'content': |
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$content = file_get_contents($asset->getAbsolutePath()); |
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return $content ? trim($content) : ''; |
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case 'raw': |
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return $asset->getRevision()->getRawValue(); |
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case 'base': |
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return $base; |
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case 'basePath': |
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return $this->basePath; |
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case 'baseUrl': |
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return $this->baseUrl; |
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case 'path': |
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return $asset->getRelativePath(); |
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case 'url': |
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return sprintf('%s%s', $base, $asset->getRelativeUrl()); |
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default: |
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$msg = sprintf( |
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"Asset macro: Invalid variable '%s' in format '%s'. " . |
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'Use one of allowed variables: %%raw%%, %%basePath%%, %%path%%, %%url%%.', |
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$matches[1], |
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$format |
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); |
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throw new InvalidVariableException($msg); |
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} |
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}); |
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} |
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protected function getAssetManifestNotFound(string $path): Asset |
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{ |
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$revision = new Revision($this->config, $path, null); |
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return new Asset($revision); |
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} |
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private function autodetectManifest(string $assetPath = null, bool $needed = true): ?string |
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{ |
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// Finding a manifest begins in the asset directory |
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$dir = $assetPath ? |
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$this->config->getAssetsPath() . DIRECTORY_SEPARATOR . Utils::normalizePath(dirname($assetPath)) : |
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$this->config->getAssetsPath(); |
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// Autodetect manifest |
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while (Strings::startsWith($dir, $this->config->getAssetsPath())) { |
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foreach ($this->config->getManifestAutodetectPaths() as $path) { |
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$path = $dir . DIRECTORY_SEPARATOR . $path; |
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if (file_exists($path)) { |
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return $path; |
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} |
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} |
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$dir = dirname($dir); // go up ../ |
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} |
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Utils::throwError( |
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new ManifestNotFoundException(sprintf('Manifest not found in: %s.', implode(', ', $this->config->getManifestAutodetectPaths()))), |
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$this->config->getMissingManifestPolicy(), |
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$needed |
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); |
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return null; |
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} |
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} |
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webrouse /
n-asset-macro
In PHP, under loose comparison (like
==, or!=, orswitchconditions), values of different types might be equal.For
stringvalues, the empty string''is a special case, in particular the following results might be unexpected: