Container
7 years ago
AssociativeArrayResolver.php
7 years ago
DefaultValueResolver.php
7 years ago
NumericArrayResolver.php
7 years ago
ParameterResolver.php
7 years ago
ResolverChain.php
7 years ago
TypeHintResolver.php
7 years ago
ResolverChain.php
70 lines
| 1 | <?php |
| 2 | |
| 3 | namespace Invoker\ParameterResolver; |
| 4 | |
| 5 | use ReflectionFunctionAbstract; |
| 6 | |
| 7 | /** |
| 8 | * Dispatches the call to other resolvers until all parameters are resolved. |
| 9 | * |
| 10 | * Chain of responsibility pattern. |
| 11 | * |
| 12 | * @author Matthieu Napoli <matthieu@mnapoli.fr> |
| 13 | */ |
| 14 | class ResolverChain implements ParameterResolver |
| 15 | { |
| 16 | /** |
| 17 | * @var ParameterResolver[] |
| 18 | */ |
| 19 | private $resolvers = array(); |
| 20 | |
| 21 | public function __construct(array $resolvers = array()) |
| 22 | { |
| 23 | $this->resolvers = $resolvers; |
| 24 | } |
| 25 | |
| 26 | public function getParameters( |
| 27 | ReflectionFunctionAbstract $reflection, |
| 28 | array $providedParameters, |
| 29 | array $resolvedParameters |
| 30 | ) { |
| 31 | $reflectionParameters = $reflection->getParameters(); |
| 32 | |
| 33 | foreach ($this->resolvers as $resolver) { |
| 34 | $resolvedParameters = $resolver->getParameters( |
| 35 | $reflection, |
| 36 | $providedParameters, |
| 37 | $resolvedParameters |
| 38 | ); |
| 39 | |
| 40 | $diff = array_diff_key($reflectionParameters, $resolvedParameters); |
| 41 | if (empty($diff)) { |
| 42 | // Stop traversing: all parameters are resolved |
| 43 | return $resolvedParameters; |
| 44 | } |
| 45 | } |
| 46 | |
| 47 | return $resolvedParameters; |
| 48 | } |
| 49 | |
| 50 | /** |
| 51 | * Push a parameter resolver after the ones already registered. |
| 52 | * |
| 53 | * @param ParameterResolver $resolver |
| 54 | */ |
| 55 | public function appendResolver(ParameterResolver $resolver) |
| 56 | { |
| 57 | $this->resolvers[] = $resolver; |
| 58 | } |
| 59 | |
| 60 | /** |
| 61 | * Insert a parameter resolver before the ones already registered. |
| 62 | * |
| 63 | * @param ParameterResolver $resolver |
| 64 | */ |
| 65 | public function prependResolver(ParameterResolver $resolver) |
| 66 | { |
| 67 | array_unshift($this->resolvers, $resolver); |
| 68 | } |
| 69 | } |
| 70 |