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<?php |
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/* |
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* This file is part of the LaravelYaml package. |
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* |
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* (c) Théo FIDRY <[email protected]> |
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* |
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* For the full copyright and license information, please view the LICENSE |
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* file that was distributed with this source code. |
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*/ |
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namespace Fidry\LaravelYaml\DependencyInjection\Resolver; |
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use Fidry\LaravelYaml\Exception\DependencyInjection\Resolver\ParameterCircularReferenceException; |
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use Fidry\LaravelYaml\Exception\DependencyInjection\Resolver\RuntimeException; |
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use Fidry\LaravelYaml\Exception\Exception; |
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use Fidry\LaravelYaml\Exception\ParameterNotFoundException; |
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use Illuminate\Contracts\Config\Repository as ConfigRepository; |
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use Symfony\Component\ExpressionLanguage\Expression; |
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use Symfony\Component\ExpressionLanguage\ExpressionLanguage; |
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/** |
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* @author Théo FIDRY <[email protected]> |
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*/ |
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final class BaseParametersResolver implements ParametersResolverInterface |
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{ |
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/** |
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* @var ConfigRepository |
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*/ |
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private $config; |
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/** |
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* @var string |
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*/ |
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private $defaultValue; |
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/** |
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* @var ExpressionLanguage|null |
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*/ |
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private $expressionLanguage; |
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/** |
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* @var array|null |
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*/ |
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private $parameters; |
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/** |
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* @var array |
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*/ |
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private $resolved = []; |
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public function __construct(ConfigRepository $config) |
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{ |
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$this->config = $config; |
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$this->defaultValue = spl_object_hash(new \stdClass()); |
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} |
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/** |
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* {@inheritdoc} |
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* |
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* @param array $parameters |
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* |
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* @return array |
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* |
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* @throws ParameterCircularReferenceException |
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* @throws ParameterNotFoundException |
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* @throws Exception |
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*/ |
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public function resolve(array $parameters) |
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{ |
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$this->parameters = $parameters; |
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foreach ($this->parameters as $key => $value) { |
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$value = $this->resolveValue($value, [$key => true]); |
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$this->resolved[$key] = $value; |
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} |
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return $this->resolved; |
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} |
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/** |
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* @param mixed $value |
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* @param array $resolving |
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* |
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* @return mixed |
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* @throws ParameterCircularReferenceException |
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* @throws ParameterNotFoundException |
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*/ |
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private function resolveValue($value, $resolving = []) |
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{ |
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if (is_bool($value) || is_numeric($value)) { |
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return $value; |
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} |
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if (is_array($value)) { |
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return $this->resolveArray($value, $resolving); |
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} |
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if ($value instanceof Expression) { |
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return $this->getExpressionLanguage()->evaluate($value, array('container' => $this)); |
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} |
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if (is_string($value)) { |
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return $this->resolveString($value, $resolving); |
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} |
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return $value; |
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} |
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View Code Duplication |
private function resolveArray(array $arrayValue, array $resolving) |
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{ |
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$resolvedValue = []; |
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foreach ($arrayValue as $key => $value) { |
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$resolvedValue[$key] = $this->resolveValue($value, $resolving); |
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} |
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return $resolvedValue; |
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} |
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/** |
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* @param $value |
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* @param $resolving |
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* |
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* @return array|mixed |
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* @throws ParameterCircularReferenceException |
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* @throws ParameterNotFoundException |
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*/ |
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private function resolveString($value, array $resolving) |
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{ |
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if (0 === preg_match('/^%([^%\s]+)%$/', $value, $match)) { |
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if (false === array_key_exists($value, $resolving)) { |
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return $value; |
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} |
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$key = $value; |
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} else { |
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$key = $match[1]; |
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} |
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if (array_key_exists($key, $this->parameters)) { |
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return $this->resolveParameter($key, $resolving); |
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} |
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if ($this->config->has($key)) { |
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return $this->config->get($key); |
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} |
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return $this->resolveEnvironmentValue($key); |
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} |
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/** |
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* @param string $key |
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* @param array $resolving |
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* |
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* @return array|mixed |
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* @throws ParameterCircularReferenceException |
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* @throws ParameterNotFoundException |
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*/ |
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private function resolveParameter($key, array $resolving) |
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{ |
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if (array_key_exists($key, $this->resolved)) { |
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return $this->resolved[$key]; |
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} |
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if (array_key_exists($key, $resolving)) { |
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throw new ParameterCircularReferenceException( |
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sprintf( |
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'Circular reference detected for the parameter "%s" while resolving [%s]', |
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$key, |
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implode(', ', array_keys($resolving)) |
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) |
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); |
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} |
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$resolving[$key] = true; |
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$this->resolved[$key] = $this->resolveValue($this->parameters[$key], $resolving); |
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return $this->resolved[$key]; |
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} |
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/** |
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* @param string $key |
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* |
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* @return string|int|bool|null |
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* @throws ParameterNotFoundException |
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*/ |
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View Code Duplication |
private function resolveEnvironmentValue($key) |
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{ |
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$environmentKey = strtoupper(str_replace('.', '_', $key)); |
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$value = env($environmentKey, $this->defaultValue); |
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if ($this->defaultValue !== $value) { |
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return $value; |
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} |
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throw new ParameterNotFoundException(sprintf('No parameter "%s" found', $key)); |
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} |
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/** |
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* @return ExpressionLanguage |
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* @throws RuntimeException |
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*/ |
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private function getExpressionLanguage() |
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{ |
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if (null === $this->expressionLanguage) { |
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if (!class_exists('Symfony\Component\ExpressionLanguage\ExpressionLanguage')) { |
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throw new RuntimeException('Unable to use expressions as the Symfony ExpressionLanguage component is not installed.'); |
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} |
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$this->expressionLanguage = new ExpressionLanguage(); |
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} |
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return $this->expressionLanguage; |
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} |
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} |
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theofidry /
LaravelYaml
Loading history...
Duplicated code is one of the most pungent code smells. If you need to duplicate the same code in three or more different places, we strongly encourage you to look into extracting the code into a single class or operation.
You can also find more detailed suggestions in the “Code” section of your repository.