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<?php |
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declare(strict_types=1); |
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namespace Yiisoft\Yii\Gii\Generator; |
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use ReflectionClass; |
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use ReflectionException; |
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use Throwable; |
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use Yiisoft\Aliases\Aliases; |
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use Yiisoft\Validator\ValidatorInterface; |
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use Yiisoft\Yii\Gii\Component\CodeFile\CodeFile; |
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use Yiisoft\Yii\Gii\Exception\InvalidConfigException; |
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use Yiisoft\Yii\Gii\Exception\InvalidGeneratorCommandException; |
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use Yiisoft\Yii\Gii\GeneratorCommandInterface; |
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use Yiisoft\Yii\Gii\GeneratorInterface; |
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use Yiisoft\Yii\Gii\ParametersProvider; |
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/** |
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* This is the base class for all generator classes. |
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* |
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* A generator instance is responsible for taking user inputs, validating them, |
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* and using them to generate the corresponding code based on a set of code template files. |
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* |
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* A generator class typically needs to implement the following methods: |
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* |
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* - {@see GeneratorInterface::getName()}: returns the name of the generator |
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* - {@see GeneratorInterface::getDescription()}: returns the detailed description of the generator |
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* - {@see GeneratorInterface::generate()}: generates the code based on the current user input and the specified code |
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* template files. This is the place where main code generation code resides. |
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*/ |
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abstract class AbstractGenerator implements GeneratorInterface |
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{ |
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public function __construct( |
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protected Aliases $aliases, |
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protected ValidatorInterface $validator, |
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protected ParametersProvider $parametersProvider, |
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) { |
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} |
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public function getRequiredTemplates(): array |
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{ |
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return []; |
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} |
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/** |
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* Returns the root path to the default code template files. |
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* The default implementation will return the "templates" subdirectory of the |
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* directory containing the generator class file. |
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* |
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* @throws ReflectionException |
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* |
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* @return string the root path to the default code template files. |
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*/ |
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private function defaultTemplate(): string |
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{ |
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$class = new ReflectionClass($this); |
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return dirname($class->getFileName()) . '/default'; |
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} |
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public function getTemplatePath(GeneratorCommandInterface $command): string |
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{ |
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$template = $command->getTemplate(); |
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if ($template === 'default') { |
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return $this->defaultTemplate(); |
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} |
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$templates = $this->parametersProvider->getTemplates(static::getId()); |
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return $templates[$template] ?? throw new InvalidConfigException("Unknown template: \"{$template}\""); |
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} |
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/** |
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* @param GeneratorCommandInterface $command |
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* |
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* @throws InvalidGeneratorCommandException |
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* |
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* @return CodeFile[] |
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*/ |
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final public function generate(GeneratorCommandInterface $command): array |
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{ |
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$result = $this->validator->validate($command); |
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if (!$result->isValid()) { |
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throw new InvalidGeneratorCommandException($result); |
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} |
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return $this->doGenerate($command); |
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} |
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abstract protected function doGenerate(AbstractGeneratorCommand $command): array; |
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/** |
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* Generates code using the specified code template and parameters. |
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* Note that the code template will be used as a PHP file. |
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* |
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* @param string $templateFile the code template file. This must be specified as a file path |
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* relative to {@see getTemplatePath()}. |
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* @param array $params list of parameters to be passed to the template file. |
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* |
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* @throws Throwable |
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* |
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* @return string the generated code |
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*/ |
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protected function render(GeneratorCommandInterface $command, string $templateFile, array $params = []): string |
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{ |
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$file = sprintf( |
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'%s/%s', |
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$this->aliases->get($this->getTemplatePath($command)), |
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$templateFile |
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); |
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$renderer = function (): void { |
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extract(func_get_arg(1)); |
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/** @psalm-suppress UnresolvableInclude */ |
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require func_get_arg(0); |
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}; |
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$obInitialLevel = ob_get_level(); |
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ob_start(); |
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ob_implicit_flush(false); |
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try { |
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/** @psalm-suppress PossiblyInvalidFunctionCall */ |
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$renderer->bindTo($this)($file, array_merge($params, ['command' => $command])); |
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return ob_get_clean(); |
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} catch (Throwable $e) { |
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while (ob_get_level() > $obInitialLevel) { |
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if (!@ob_end_clean()) { |
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ob_clean(); |
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} |
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} |
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throw $e; |
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} |
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} |
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} |
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yiisoft /
yii-gii
