AliasResolver.php
5 years ago
ArrayResolver.php
5 years ago
DecoratorResolver.php
5 years ago
DefinitionResolver.php
5 years ago
EnvironmentVariableResolver.php
5 years ago
FactoryResolver.php
5 years ago
InstanceInjector.php
5 years ago
ObjectCreator.php
5 years ago
ParameterResolver.php
5 years ago
ResolverDispatcher.php
5 years ago
StringResolver.php
5 years ago
ValueResolver.php
5 years ago
StringResolver.php
96 lines
| 1 | <?php |
| 2 | /** |
| 3 | * PHP-DI |
| 4 | * |
| 5 | * @link http://mnapoli.github.com/PHP-DI/ |
| 6 | * @copyright Matthieu Napoli (http://mnapoli.fr/) |
| 7 | * @license http://www.opensource.org/licenses/mit-license.php MIT (see the LICENSE file) |
| 8 | */ |
| 9 | |
| 10 | namespace Cybot\Dependencies\DI\Definition\Resolver; |
| 11 | |
| 12 | use Cybot\Dependencies\DI\Definition\Definition; |
| 13 | use Cybot\Dependencies\DI\Definition\StringDefinition; |
| 14 | use Cybot\Dependencies\DI\DependencyException; |
| 15 | use Cybot\Dependencies\DI\NotFoundException; |
| 16 | use Cybot\Dependencies\Interop\Container\ContainerInterface; |
| 17 | |
| 18 | /** |
| 19 | * Resolves a string expression. |
| 20 | * |
| 21 | * @since 5.0 |
| 22 | * @author Matthieu Napoli <matthieu@mnapoli.fr> |
| 23 | */ |
| 24 | class StringResolver implements DefinitionResolver |
| 25 | { |
| 26 | /** |
| 27 | * @var ContainerInterface |
| 28 | */ |
| 29 | private $container; |
| 30 | |
| 31 | /** |
| 32 | * The resolver needs a container. |
| 33 | * This container will be used to get the entry to which the alias points to. |
| 34 | * |
| 35 | * @param ContainerInterface $container |
| 36 | */ |
| 37 | public function __construct(ContainerInterface $container) |
| 38 | { |
| 39 | $this->container = $container; |
| 40 | } |
| 41 | |
| 42 | /** |
| 43 | * Resolve a value definition to a value. |
| 44 | * |
| 45 | * A value definition is simple, so this will just return the value of the ValueDefinition. |
| 46 | * |
| 47 | * @param StringDefinition $definition |
| 48 | * |
| 49 | * {@inheritdoc} |
| 50 | */ |
| 51 | public function resolve(Definition $definition, array $parameters = []) |
| 52 | { |
| 53 | $this->assertIsStringDefinition($definition); |
| 54 | |
| 55 | $expression = $definition->getExpression(); |
| 56 | |
| 57 | $result = preg_replace_callback('#\{([^\{\}]+)\}#', function (array $matches) use ($definition) { |
| 58 | try { |
| 59 | return $this->container->get($matches[1]); |
| 60 | } catch (NotFoundException $e) { |
| 61 | throw new DependencyException(sprintf( |
| 62 | "Error while parsing string expression for entry '%s': %s", |
| 63 | $definition->getName(), |
| 64 | $e->getMessage() |
| 65 | ), 0, $e); |
| 66 | } |
| 67 | }, $expression); |
| 68 | |
| 69 | if ($result === null) { |
| 70 | throw new \RuntimeException(sprintf('An unknown error occurred while parsing the string definition: \'%s\'', $expression)); |
| 71 | } |
| 72 | |
| 73 | return $result; |
| 74 | } |
| 75 | |
| 76 | /** |
| 77 | * {@inheritdoc} |
| 78 | */ |
| 79 | public function isResolvable(Definition $definition, array $parameters = []) |
| 80 | { |
| 81 | $this->assertIsStringDefinition($definition); |
| 82 | |
| 83 | return true; |
| 84 | } |
| 85 | |
| 86 | private function assertIsStringDefinition(Definition $definition) |
| 87 | { |
| 88 | if (!$definition instanceof StringDefinition) { |
| 89 | throw new \InvalidArgumentException(sprintf( |
| 90 | 'This definition resolver is only compatible with StringDefinition objects, %s given', |
| 91 | get_class($definition) |
| 92 | )); |
| 93 | } |
| 94 | } |
| 95 | } |
| 96 |