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<?php |
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|
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declare(strict_types=1); |
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|
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namespace DI\Definition; |
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|
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use DI\Definition\Dumper\ObjectDefinitionDumper; |
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use DI\Definition\ObjectDefinition\MethodInjection; |
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use DI\Definition\ObjectDefinition\PropertyInjection; |
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use DI\Definition\Source\DefinitionArray; |
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use ReflectionClass; |
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|
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/** |
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* Defines how an object can be instantiated. |
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* |
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* @author Matthieu Napoli <[email protected]> |
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*/ |
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class ObjectDefinition implements Definition |
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{ |
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/** |
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* Entry name (most of the time, same as $classname). |
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* @var string |
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*/ |
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private $name; |
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|
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/** |
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* Class name (if null, then the class name is $name). |
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* @var string|null |
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*/ |
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protected $className; |
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|
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/** |
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* Constructor parameter injection. |
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* @var MethodInjection|null |
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*/ |
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protected $constructorInjection; |
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|
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/** |
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* Property injections. |
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* @var PropertyInjection[] |
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*/ |
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protected $propertyInjections = []; |
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|
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/** |
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* Method calls. |
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* @var MethodInjection[][] |
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*/ |
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protected $methodInjections = []; |
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|
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/** |
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* @var bool|null |
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*/ |
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protected $lazy; |
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|
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/** |
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* Store if the class exists. Storing it (in cache) avoids recomputing this. |
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* |
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* @var bool |
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*/ |
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private $classExists; |
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|
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/** |
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* Store if the class is instantiable. Storing it (in cache) avoids recomputing this. |
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* |
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* @var bool |
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*/ |
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private $isInstantiable; |
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|
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/** |
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* @param string $name Entry name |
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*/ |
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public function __construct(string $name, string $className = null) |
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{ |
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$this->name = $name; |
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$this->setClassName($className); |
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} |
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|
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public function getName() : string |
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{ |
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return $this->name; |
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} |
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|
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public function setName(string $name) |
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{ |
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$this->name = $name; |
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} |
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|
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public function setClassName(string $className = null) |
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{ |
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$this->className = $className; |
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|
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$this->updateCache(); |
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} |
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|
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public function getClassName() : string |
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{ |
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if ($this->className !== null) { |
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return $this->className; |
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} |
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|
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return $this->name; |
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} |
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|
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/** |
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* @return MethodInjection|null |
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*/ |
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public function getConstructorInjection() |
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{ |
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return $this->constructorInjection; |
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} |
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|
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public function setConstructorInjection(MethodInjection $constructorInjection) |
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{ |
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$this->constructorInjection = $constructorInjection; |
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} |
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|
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public function completeConstructorInjection(MethodInjection $injection) |
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{ |
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if ($this->constructorInjection !== null) { |
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// Merge |
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$this->constructorInjection->merge($injection); |
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} else { |
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// Set |
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$this->constructorInjection = $injection; |
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} |
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} |
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|
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/** |
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* @return PropertyInjection[] Property injections |
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*/ |
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public function getPropertyInjections() : array |
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{ |
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return $this->propertyInjections; |
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} |
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|
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public function addPropertyInjection(PropertyInjection $propertyInjection) |
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{ |
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$className = $propertyInjection->getClassName(); |
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if ($className) { |
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// Index with the class name to avoid collisions between parent and |
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// child private properties with the same name |
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$key = $className . '::' . $propertyInjection->getPropertyName(); |
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} else { |
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$key = $propertyInjection->getPropertyName(); |
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} |
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|
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$this->propertyInjections[$key] = $propertyInjection; |
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} |
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|
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/** |
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* @return MethodInjection[] Method injections |
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*/ |
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public function getMethodInjections() : array |
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{ |
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// Return array leafs |
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$injections = []; |
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array_walk_recursive($this->methodInjections, function ($injection) use (&$injections) { |
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$injections[] = $injection; |
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}); |
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|
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return $injections; |
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} |
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|
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public function addMethodInjection(MethodInjection $methodInjection) |
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{ |
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$method = $methodInjection->getMethodName(); |
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if (! isset($this->methodInjections[$method])) { |
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$this->methodInjections[$method] = []; |
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} |
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$this->methodInjections[$method][] = $methodInjection; |
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} |
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|
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public function completeFirstMethodInjection(MethodInjection $injection) |
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{ |
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$method = $injection->getMethodName(); |
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|
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if (isset($this->methodInjections[$method][0])) { |
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// Merge |
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$this->methodInjections[$method][0]->merge($injection); |
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} else { |
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// Set |
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$this->addMethodInjection($injection); |
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} |
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} |
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|
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public function setLazy(bool $lazy = null) |
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{ |
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$this->lazy = $lazy; |
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} |
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|
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public function isLazy() : bool |
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{ |
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if ($this->lazy !== null) { |
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return $this->lazy; |
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} |
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// Default value |
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return false; |
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} |
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|
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public function classExists() : bool |
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{ |
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return $this->classExists; |
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} |
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|
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public function isInstantiable() : bool |
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{ |
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return $this->isInstantiable; |
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} |
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|
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public function replaceNestedDefinitions(callable $replacer) |
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{ |
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array_walk($this->propertyInjections, function (PropertyInjection $propertyInjection) use ($replacer) { |
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$propertyInjection->replaceNestedDefinition($replacer); |
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}); |
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|
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if ($this->constructorInjection) { |
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$this->constructorInjection->replaceNestedDefinitions($replacer); |
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} |
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|
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array_walk($this->methodInjections, function ($injectionArray) use ($replacer) { |
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array_walk($injectionArray, function (MethodInjection $methodInjection) use ($replacer) { |
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$methodInjection->replaceNestedDefinitions($replacer); |
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}); |
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}); |
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} |
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|
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/** |
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* Replaces all the wildcards in the string with the given replacements. |
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* |
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* @param string[] $replacements |
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*/ |
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public function replaceWildcards(array $replacements) |
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{ |
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$className = $this->getClassName(); |
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|
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foreach ($replacements as $replacement) { |
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$pos = strpos($className, DefinitionArray::WILDCARD); |
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if ($pos !== false) { |
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$className = substr_replace($className, $replacement, $pos, 1); |
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} |
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} |
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|
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$this->setClassName($className); |
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} |
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|
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public function __toString() |
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{ |
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return (new ObjectDefinitionDumper)->dump($this); |
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} |
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|
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private function updateCache() |
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{ |
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$className = $this->getClassName(); |
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|
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$this->classExists = class_exists($className) || interface_exists($className); |
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|
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if (! $this->classExists) { |
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$this->isInstantiable = false; |
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|
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return; |
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} |
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|
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$class = new ReflectionClass($className); |
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$this->isInstantiable = $class->isInstantiable(); |
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} |
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} |
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|
