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php-di
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Definition
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Dumper
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File: ObjectDefinitionDumper.php
<?php declare(strict_types=1); namespace DI\Definition\Dumper; use DI\Definition\Definition; use DI\Definition\ObjectDefinition; use DI\Definition\ObjectDefinition\MethodInjection; use ReflectionException; /** * Dumps object definitions to string for debugging purposes. * * @since 4.1 * @author Matthieu Napoli <matthieu@mnapoli.fr> */ class ObjectDefinitionDumper { /** * Returns the definition as string representation. */ public function dump(ObjectDefinition $definition) : string { $className = $definition->getClassName(); $classExist = class_exists($className) || interface_exists($className); // Class if (! $classExist) { $warning = '#UNKNOWN# '; } else { $class = new \ReflectionClass($className); $warning = $class->isInstantiable() ? '' : '#NOT INSTANTIABLE# '; } $str = sprintf(' class = %s%s', $warning, $className); // Lazy $str .= PHP_EOL . ' lazy = ' . var_export($definition->isLazy(), true); if ($classExist) { // Constructor $str .= $this->dumpConstructor($className, $definition); // Properties $str .= $this->dumpProperties($definition); // Methods $str .= $this->dumpMethods($className, $definition); } return sprintf('Object (' . PHP_EOL . '%s' . PHP_EOL . ')', $str); } private function dumpConstructor(string $className, ObjectDefinition $definition) : string { $str = ''; $constructorInjection = $definition->getConstructorInjection(); if ($constructorInjection !== null) { $parameters = $this->dumpMethodParameters($className, $constructorInjection); $str .= sprintf(PHP_EOL . ' __construct(' . PHP_EOL . ' %s' . PHP_EOL . ' )', $parameters); } return $str; } private function dumpProperties(ObjectDefinition $definition) : string { $str = ''; foreach ($definition->getPropertyInjections() as $propertyInjection) { $value = $propertyInjection->getValue(); $valueStr = $value instanceof Definition ? (string) $value : var_export($value, true); $str .= sprintf(PHP_EOL . ' $%s = %s', $propertyInjection->getPropertyName(), $valueStr); } return $str; } private function dumpMethods(string $className, ObjectDefinition $definition) : string { $str = ''; foreach ($definition->getMethodInjections() as $methodInjection) { $parameters = $this->dumpMethodParameters($className, $methodInjection); $str .= sprintf(PHP_EOL . ' %s(' . PHP_EOL . ' %s' . PHP_EOL . ' )', $methodInjection->getMethodName(), $parameters); } return $str; } private function dumpMethodParameters(string $className, MethodInjection $methodInjection) : string { $methodReflection = new \ReflectionMethod($className, $methodInjection->getMethodName()); $args = []; $definitionParameters = $methodInjection->getParameters(); foreach ($methodReflection->getParameters() as $index => $parameter) { if (array_key_exists($index, $definitionParameters)) { $value = $definitionParameters[$index]; $valueStr = $value instanceof Definition ? (string) $value : var_export($value, true); $args[] = sprintf('$%s = %s', $parameter->getName(), $valueStr); continue; } // If the parameter is optional and wasn't specified, we take its default value if ($parameter->isOptional()) { try { $value = $parameter->getDefaultValue(); $args[] = sprintf( '$%s = (default value) %s', $parameter->getName(), var_export($value, true) ); continue; } catch (ReflectionException $e) { // The default value can't be read through Reflection because it is a PHP internal class } } $args[] = sprintf('$%s = #UNDEFINED#', $parameter->getName()); } return implode(PHP_EOL . ' ', $args); } }