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<?php |
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namespace kalanis\kw_clipr\Loaders; |
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use kalanis\kw_clipr\Clipr\Useful; |
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use kalanis\kw_clipr\CliprException; |
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use kalanis\kw_clipr\Interfaces; |
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use kalanis\kw_clipr\Tasks\ATask; |
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use Psr\Container; |
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use ReflectionException; |
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/** |
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* Class DiLoader |
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* @package kalanis\kw_clipr\Tasks |
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* Factory for creating tasks/commands from obtained name |
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* It contains dependency injection - so everything loaded is from source targeted by that DI |
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* @codeCoverageIgnore because of that internal autoloader |
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*/ |
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class DiLoader implements Interfaces\ITargetDirs |
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{ |
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/** @var Container\ContainerInterface */ |
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protected $container = null; |
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/** @var array<string, array<string>> */ |
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protected $paths = []; |
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/** |
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* @param Container\ContainerInterface $container |
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* @param array<string, array<string>> $paths where will DI be looking for tasks |
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* @throws CliprException |
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*/ |
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public function __construct(Container\ContainerInterface $container, array $paths = []) |
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{ |
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$this->container = $container; |
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foreach ($paths as $namespace => $path) { |
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$pt = implode(DIRECTORY_SEPARATOR, $path); |
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if (false === $real = realpath($pt)) { |
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throw new CliprException(sprintf('Unknown path *%s*!', $pt), Interfaces\IStatuses::STATUS_BAD_CONFIG); |
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} |
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$this->paths[$namespace] = explode(DIRECTORY_SEPARATOR, $real); |
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} |
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} |
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/** |
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* @param string $classFromParam |
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* @throws CliprException |
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* @throws Container\ContainerExceptionInterface |
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* @throws Container\NotFoundExceptionInterface |
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* @throws ReflectionException |
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* @return ATask|null |
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*/ |
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public function getTask(string $classFromParam): ?ATask |
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{ |
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$classPath = Useful::sanitizeClass($classFromParam); |
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foreach ($this->paths as $namespace => $path) { |
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if ($this->containsPath($classPath, $namespace) && $this->container->has($classPath)) { |
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$task = $this->container->get($classPath); |
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$reflection = new \ReflectionClass($classPath); |
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if (!$reflection->isInstantiable()) { |
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// cannot initialize the class - abstract one, interface, trait, ... |
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return null; |
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} |
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if (!$task instanceof ATask) { |
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// the class inside is not an instance of ATask necessary to run |
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throw new CliprException(sprintf('Class *%s* is not instance of ATask - check interface or query', $classPath), Interfaces\IStatuses::STATUS_LIB_ERROR); |
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} |
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return $task; |
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} |
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} |
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return null; |
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} |
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protected function containsPath(string $classPath, string $namespace): bool |
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{ |
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return (0 === mb_strpos($classPath, $namespace)); |
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} |
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public function getPaths(): array |
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{ |
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return $this->paths; |
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} |
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} |
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alex-kalanis /
kw_clipr
