first commit

vendor/league/container/src/Argument/ArgumentResolverTrait.php

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+<?php
+
+declare(strict_types=1);
+
+namespace League\Container\Argument;
+
+use League\Container\DefinitionContainerInterface;
+use League\Container\Exception\{ContainerException, NotFoundException};
+use League\Container\ReflectionContainer;
+use Psr\Container\ContainerInterface;
+use ReflectionFunctionAbstract;
+use ReflectionNamedType;
+
+trait ArgumentResolverTrait
+{
+    public function resolveArguments(array $arguments): array
+    {
+        try {
+            $container = $this->getContainer();
+        } catch (ContainerException $e) {
+            $container = ($this instanceof ReflectionContainer) ? $this : null;
+        }
+
+        foreach ($arguments as &$arg) {
+            // if we have a literal, we don't want to do anything more with it
+            if ($arg instanceof LiteralArgumentInterface) {
+                $arg = $arg->getValue();
+                continue;
+            }
+
+            if ($arg instanceof ArgumentInterface) {
+                $argValue = $arg->getValue();
+            } else {
+                $argValue = $arg;
+            }
+
+            if (!is_string($argValue)) {
+                 continue;
+            }
+
+            // resolve the argument from the container, if it happens to be another
+            // argument wrapper, use that value
+            if ($container instanceof ContainerInterface && $container->has($argValue)) {
+                try {
+                    $arg = $container->get($argValue);
+
+                    if ($arg instanceof ArgumentInterface) {
+                        $arg = $arg->getValue();
+                    }
+
+                    continue;
+                } catch (NotFoundException $e) {
+                }
+            }
+
+            // if we have a default value, we use that, no more resolution as
+            // we expect a default/optional argument value to be literal
+            if ($arg instanceof DefaultValueInterface) {
+                $arg = $arg->getDefaultValue();
+            }
+        }
+
+        return $arguments;
+    }
+
+    public function reflectArguments(ReflectionFunctionAbstract $method, array $args = []): array
+    {
+        $params    = $method->getParameters();
+        $arguments = [];
+
+        foreach ($params as $param) {
+            $name = $param->getName();
+
+            // if we've been given a value for the argument, treat as literal
+            if (array_key_exists($name, $args)) {
+                $arguments[] = new LiteralArgument($args[$name]);
+                continue;
+            }
+
+            $type = $param->getType();
+
+            if ($type instanceof ReflectionNamedType) {
+                // in PHP 8, nullable arguments have "?" prefix
+                $typeHint = ltrim($type->getName(), '?');
+
+                if ($param->isDefaultValueAvailable()) {
+                    $arguments[] = new DefaultValueArgument($typeHint, $param->getDefaultValue());
+                    continue;
+                }
+
+                $arguments[] = new ResolvableArgument($typeHint);
+                continue;
+            }
+
+            if ($param->isDefaultValueAvailable()) {
+                $arguments[] = new LiteralArgument($param->getDefaultValue());
+                continue;
+            }
+
+            throw new NotFoundException(sprintf(
+                'Unable to resolve a value for parameter (%s) in the function/method (%s)',
+                $name,
+                $method->getName()
+            ));
+        }
+
+        return $this->resolveArguments($arguments);
+    }
+
+    abstract public function getContainer(): DefinitionContainerInterface;
+}