✏️ Editing: ObjectDefinitionDumper.php Read Only

<?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);
    }

/**
     * @param class-string $className
     */
    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;
    }

/**
     * @param class-string $className
     */
    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;
    }

/**
     * @param class-string $className
     */
    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) {
                    // 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);
    }
}

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