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<?php |
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namespace Palmtree\Container; |
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use Symfony\Component\Yaml\Yaml; |
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class ContainerFactory |
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{ |
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/** @var Container */ |
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private $container; |
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/** @var array */ |
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private $phpImports = []; |
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private function __construct(string $configFile) |
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{ |
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$yaml = $this->parseYamlFile($configFile); |
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$this->container = new Container($yaml['services'] ?? [], $yaml['parameters'] ?? []); |
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foreach ($this->phpImports as $file) { |
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self::requirePhpFile($file, $this->container); |
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} |
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$this->container->instantiateServices(); |
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} |
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public static function create(string $configFile): Container |
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{ |
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$factory = new self($configFile); |
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return $factory->container; |
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} |
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private function parseYamlFile(string $file): array |
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{ |
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$data = Yaml::parseFile($file) ?? []; |
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$data = $this->parseImports($data, \dirname($file)); |
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return $data; |
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} |
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private function parseImports(array $data, string $dir): array |
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{ |
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foreach ($data['imports'] ?? [] as $key => $import) { |
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$resource = $this->getImportResource($dir, $import); |
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$extension = pathinfo($resource, PATHINFO_EXTENSION); |
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if ($extension === 'yml' || $extension === 'yaml') { |
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$data = array_replace_recursive($data, $this->parseYamlFile($resource)); |
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unset($data['imports'][$key]); |
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} elseif ($extension === 'php') { |
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$this->phpImports[] = $resource; |
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unset($data['imports'][$key]); |
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} |
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} |
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return $data; |
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} |
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private static function requirePhpFile(string $file, Container $container) |
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{ |
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require $file; |
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} |
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private function getImportResource(string $dir, array $import): string |
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{ |
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$resource = $import['resource']; |
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// Prefix the directory if resource is not an absolute path |
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if (!$this->isAbsolutePath($resource)) { |
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$resource = "$dir/$resource"; |
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} |
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return $resource; |
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} |
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private function isAbsolutePath(string $file): bool |
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{ |
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if ($file[0] === '/' || $file[0] === '\\' |
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|| (\strlen($file) > 3 && \ctype_alpha($file[0]) |
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&& $file[1] === ':' |
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&& ($file[2] === '\\' || $file[2] === '/') |
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) |
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|| null !== \parse_url($file, PHP_URL_SCHEME) |
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) { |
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return true; |
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} |
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return false; |
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} |
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} |
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palmtreephp /
container
