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| <?php declare(strict_types = 1); | |
| /* | |
| * Copyright (c) 2020, Josef Kufner <josef@kufner.cz> | |
| * | |
| * Licensed under the Apache License, Version 2.0 (the "License"); | |
| * you may not use this file except in compliance with the License. | |
| * You may obtain a copy of the License at | |
| * | |
| * http://www.apache.org/licenses/LICENSE-2.0 | |
| * | |
| * Unless required by applicable law or agreed to in writing, software | |
| * distributed under the License is distributed on an "AS IS" BASIS, | |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | |
| * See the License for the specific language governing permissions and | |
| * limitations under the License. | |
| * | |
| */ | |
| namespace Smalldb\CodeCooker; | |
| use Smalldb\ClassLocator\ClassLocator; | |
| class Chef | |
| { | |
| private Cookbook $cookbook; | |
| private ?\Closure $autoloadClosure = null; | |
| private ClassLocator $classLocator; | |
| private array $cookedTargetClassNames = []; | |
| public function __construct(Cookbook $cookbook, ClassLocator $classLocator) | |
| { | |
| $this->cookbook = $cookbook; | |
| $this->classLocator = $classLocator; | |
| } | |
| public function __destruct() | |
| { | |
| $this->unregisterAutoloader(); | |
| } | |
| public function cookAllRecipes() | |
| { | |
| foreach ($this->cookbook->getRecipes() as $recipe) { | |
| $recipe->cookRecipe($this->classLocator); | |
| } | |
| } | |
| private function getTargetFileNames(iterable $targetClassNames): iterable | |
| { | |
| foreach ($targetClassNames as $targetClassName) { | |
| yield $this->classLocator->mapClassNameToFileName($targetClassName); | |
| } | |
| } | |
| public function deleteAllTargetClasses() | |
| { | |
| foreach ($this->getTargetFileNames($this->cookbook->getAllTargetClassNames()) as $targetFileName) { | |
| if (file_exists($targetFileName)) { | |
| unlink($targetFileName); | |
| } | |
| } | |
| } | |
| public function registerAutoloader() | |
| { | |
| // Register default autoloader implementation | |
| $this->registerPassThroughAutoloader(); | |
| } | |
| public function registerPassThroughAutoloader() | |
| { | |
| if ($this->autoloadClosure) { | |
| throw new \LogicException("Autoloader is already registered."); | |
| } | |
| $this->autoloadClosure = function (string $className) { | |
| if (isset($this->cookedTargetClassNames[$className])) { | |
| return false; | |
| } | |
| $recipe = $this->cookbook->findRecipe($className); | |
| if ($recipe) { | |
| $recipe->cookRecipe($this->classLocator); | |
| $targetClassNames = $recipe->getTargetClassNames(); | |
| foreach ($targetClassNames as $targetClassName) { | |
| $this->cookedTargetClassNames[$targetClassName] = true; | |
| } | |
| } | |
| // Pass-through to default autoloader -- the class(es) should be generated into the standard location. | |
| // TODO: Deal with unexpected caching (Composer's class-map optimization). | |
| return false; | |
| }; | |
| spl_autoload_register($this->autoloadClosure, true, true); | |
| } | |
| public function registerLoadingAutoloader() | |
| { | |
| if ($this->autoloadClosure) { | |
| throw new \LogicException("Autoloader is already registered."); | |
| } | |
| $this->autoloadClosure = function (string $className) { | |
| $recipe = $this->cookbook->findRecipe($className); | |
| if ($recipe) { | |
| $recipe->cookRecipe($this->classLocator); | |
| $targetClassNames = $recipe->getTargetClassNames(); | |
| // Include all the generated files | |
| $targetFileNames = $this->getTargetFileNames($targetClassNames); | |
| foreach ($targetFileNames as $targetFileName) { | |
| require $targetFileName; | |
| } | |
| return true; | |
| } | |
| return false; | |
| }; | |
| spl_autoload_register($this->autoloadClosure, true, true); | |
| } | |
| public function unregisterAutoloader() | |
| { | |
| if ($this->autoloadClosure) { | |
| spl_autoload_unregister($this->autoloadClosure); | |
| $this->autoloadClosure = null; | |
| } | |
| } | |
| } | |