initial commit

lib/packages/League/Container/Argument/ArgumentResolverTrait.php

@@ -0,0 +1,120 @@
+<?php declare(strict_types=1);
+
+namespace Automattic\WooCommerce\Vendor\League\Container\Argument;
+
+use Automattic\WooCommerce\Vendor\League\Container\Container;
+use Automattic\WooCommerce\Vendor\League\Container\Exception\{ContainerException, NotFoundException};
+use Automattic\WooCommerce\Vendor\League\Container\ReflectionContainer;
+use Psr\Container\ContainerInterface;
+use ReflectionFunctionAbstract;
+use ReflectionParameter;
+
+trait ArgumentResolverTrait
+{
+    /**
+     * {@inheritdoc}
+     */
+    public function resolveArguments(array $arguments) : array
+    {
+        return array_map(function ($argument) {
+            $justStringValue = false;
+
+            if ($argument instanceof RawArgumentInterface) {
+                return $argument->getValue();
+            } elseif ($argument instanceof ClassNameInterface) {
+                $id = $argument->getClassName();
+            } elseif (!is_string($argument)) {
+                return $argument;
+            } else {
+                $justStringValue = true;
+                $id = $argument;
+            }
+
+            $container = null;
+
+            try {
+                $container = $this->getLeagueContainer();
+            } catch (ContainerException $e) {
+                if ($this instanceof ReflectionContainer) {
+                    $container = $this;
+                }
+            }
+
+            if ($container !== null) {
+                try {
+                    return $container->get($id);
+                } catch (NotFoundException $exception) {
+                    if ($argument instanceof ClassNameWithOptionalValue) {
+                        return $argument->getOptionalValue();
+                    }
+
+                    if ($justStringValue) {
+                        return $id;
+                    }
+
+                    throw $exception;
+                }
+            }
+
+            if ($argument instanceof ClassNameWithOptionalValue) {
+                return $argument->getOptionalValue();
+            }
+
+            // Just a string value.
+            return $id;
+        }, $arguments);
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function reflectArguments(ReflectionFunctionAbstract $method, array $args = []) : array
+    {
+        $arguments = array_map(function (ReflectionParameter $param) use ($method, $args) {
+            $name = $param->getName();
+            $type = $param->getType();
+
+            if (array_key_exists($name, $args)) {
+                return new RawArgument($args[$name]);
+            }
+
+            if ($type) {
+                if (PHP_VERSION_ID >= 70200) {
+                    $typeName = $type->getName();
+                } else {
+                    $typeName = (string) $type;
+                }
+
+                $typeName = ltrim($typeName, '?');
+
+                if ($param->isDefaultValueAvailable()) {
+                    return new ClassNameWithOptionalValue($typeName, $param->getDefaultValue());
+                }
+
+                return new ClassName($typeName);
+            }
+
+            if ($param->isDefaultValueAvailable()) {
+                return new RawArgument($param->getDefaultValue());
+            }
+
+            throw new NotFoundException(sprintf(
+                'Unable to resolve a value for parameter (%s) in the function/method (%s)',
+                $name,
+                $method->getName()
+            ));
+        }, $method->getParameters());
+
+        return $this->resolveArguments($arguments);
+    }
+
+    /**
+     * @return ContainerInterface
+     */
+    abstract public function getContainer() : ContainerInterface;
+
+    /**
+     * @return Container
+     */
+    abstract public function getLeagueContainer() : Container;
+}