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<?php |
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namespace HexMakina\LeMarchand; |
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use Psr\Container\ContainerInterface; |
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class Prober |
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{ |
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private static array $cascade_cache = []; |
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private ContainerInterface $container; |
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private Configuration $configuration; |
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private Factory $factory; |
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private array $cascade; |
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public function __construct(Configuration $conf, array $cascade=[]) |
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{ |
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$this->configuration = $conf; |
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$this->cascade = $cascade; |
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$this->container = $this->configuration->container(); |
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$this->factory = new Factory($this->container); |
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} |
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public function probeSettings(array $settings) |
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{ |
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if (!$this->configuration->isSettings()) { |
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return null; |
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} |
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//dot based hierarchy, parse and climb |
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foreach (explode('.', $this->configuration->id()) as $k) { |
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if (!isset($settings[$k])) { |
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throw new NotFoundException($this->configuration->id()); |
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} |
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$settings = $settings[$k]; |
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} |
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return $settings; |
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} |
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public function probeClasses(array $construction_args = []): ?object |
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{ |
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return $this->configuration->isExistingClass() |
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? $this->factory->serve($this->configuration->id(), $construction_args) |
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: null; |
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} |
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public function probeInterface(array $wires): ?object |
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{ |
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if (!$this->configuration->isInterface()) { |
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return null; |
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} |
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if (!isset($wires[$this->configuration->id()])) { |
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throw new NotFoundException($this->configuration->id()); |
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} |
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$wire = $wires[$this->configuration->id()]; |
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// interface + constructor params |
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if (is_array($wire)) { // hasEmbeddedConstructorParameters, [0] is class, then args |
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$class = array_shift($wire); |
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$args = $wire; |
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} else { // simple instantiation |
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$class = $wire; |
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$args = null; |
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} |
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return $this->factory->serve($class, $args); |
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} |
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public function probeCascade() |
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{ |
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$class_name = $this->configuration->rxModelOrController(); |
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if (is_null($class_name)) { |
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return null; |
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} |
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$class_name = $this->cascadeNamespace($class_name); |
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if ($this->configuration->hasClassNameModifier()) { |
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$ret = $class_name; |
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} elseif ($this->configuration->hasNewInstanceModifier()) { |
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$ret = $this->factory->build($class_name, []); |
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} else { |
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$ret = $this->factory->serve($class_name, []); |
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} |
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return $ret; |
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} |
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private function cascadeNamespace(string $class_name) : string |
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{ |
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if (isset($this::$cascade_cache[$class_name])) { |
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return $this::$cascade_cache[$class_name]; |
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} |
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// not fully namespaced, lets cascade |
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foreach ($this->cascade as $ns) { |
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if (class_exists($fully_namespaced = $ns . $class_name)) { |
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$this::$cascade_cache[$class_name] = $fully_namespaced; |
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return $fully_namespaced; |
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} |
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} |
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throw new NotFoundException($class_name); |
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} |
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} |
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HexMakina /
LeMarchand
