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<?php |
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/** |
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* PackageManager.php - Jaxon package manager |
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* |
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* Register Jaxon plugins, packages and callables from a config file. |
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* |
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* @package jaxon-core |
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* @author Thierry Feuzeu <[email protected]> |
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* @copyright 2022 Thierry Feuzeu <[email protected]> |
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* @license https://opensource.org/licenses/BSD-3-Clause BSD 3-Clause License |
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* @link https://github.com/jaxon-php/jaxon-core |
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*/ |
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namespace Jaxon\Plugin\Manager; |
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use Jaxon\Jaxon; |
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use Jaxon\App\Config\ConfigManager; |
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use Jaxon\App\I18n\Translator; |
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use Jaxon\App\View\ViewRenderer; |
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use Jaxon\Di\Container; |
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use Jaxon\Exception\SetupException; |
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use Jaxon\Plugin\Code\CodeGenerator; |
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use Jaxon\Plugin\Package; |
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use Jaxon\Request\Handler\CallbackManager; |
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use Jaxon\Utils\Config\Config; |
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use function is_array; |
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use function is_callable; |
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use function is_integer; |
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use function is_string; |
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use function is_subclass_of; |
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use function trim; |
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class PackageManager |
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{ |
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/** |
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* @var Container |
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*/ |
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protected $di; |
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/** |
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* @var PluginManager |
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*/ |
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protected $xPluginManager; |
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/** |
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* @var CallbackManager |
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*/ |
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protected $xCallbackManager; |
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/** |
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* @var ConfigManager |
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*/ |
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protected $xConfigManager; |
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/** |
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* @var CodeGenerator |
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*/ |
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private $xCodeGenerator; |
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/** |
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* @var ViewRenderer |
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*/ |
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protected $xViewRenderer; |
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/** |
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* @var Translator |
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*/ |
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protected $xTranslator; |
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/** |
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* The constructor |
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* |
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* @param Container $di |
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* @param PluginManager $xPluginManager |
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* @param ConfigManager $xConfigManager |
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* @param CallbackManager $xCallbackManager |
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* @param CodeGenerator $xCodeGenerator |
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* @param ViewRenderer $xViewRenderer |
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* @param Translator $xTranslator |
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*/ |
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public function __construct(Container $di, PluginManager $xPluginManager, |
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ConfigManager $xConfigManager, CallbackManager $xCallbackManager, |
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CodeGenerator $xCodeGenerator, ViewRenderer $xViewRenderer, Translator $xTranslator) |
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{ |
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$this->di = $di; |
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$this->xPluginManager = $xPluginManager; |
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$this->xConfigManager = $xConfigManager; |
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$this->xCallbackManager = $xCallbackManager; |
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$this->xCodeGenerator = $xCodeGenerator; |
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$this->xViewRenderer = $xViewRenderer; |
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$this->xTranslator = $xTranslator; |
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} |
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/** |
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* Save items in the DI container |
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* |
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* @param Config $xConfig |
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* |
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* @return void |
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*/ |
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private function updateContainer(Config $xConfig) |
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{ |
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$aOptions = $xConfig->getOption('container.set', []); |
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foreach($aOptions as $xKey => $xValue) |
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{ |
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// The key is the class name. It must be a string. |
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$this->di->set((string)$xKey, $xValue); |
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} |
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$aOptions = $xConfig->getOption('container.val', []); |
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foreach($aOptions as $xKey => $xValue) |
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{ |
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// The key is the class name. It must be a string. |
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$this->di->val((string)$xKey, $xValue); |
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} |
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$aOptions = $xConfig->getOption('container.auto', []); |
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foreach($aOptions as $xValue) |
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{ |
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// The key is the class name. It must be a string. |
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$this->di->auto((string)$xValue); |
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} |
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$aOptions = $xConfig->getOption('container.alias', []); |
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foreach($aOptions as $xKey => $xValue) |
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{ |
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// The key is the class name. It must be a string. |
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$this->di->alias((string)$xKey, (string)$xValue); |
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} |
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} |
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/** |
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* Register callables from a section of the config |
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* |
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* @param array $aOptions The content of the config section |
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* @param string $sCallableType The type of callable to register |
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* |
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* @return void |
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* @throws SetupException |
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*/ |
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private function registerCallables(array $aOptions, string $sCallableType) |
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{ |
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foreach($aOptions as $xKey => $xValue) |
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{ |
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if(is_integer($xKey) && is_string($xValue)) |
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{ |
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// Register a function without options |
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$this->xPluginManager->registerCallable($sCallableType, $xValue); |
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} |
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elseif(is_string($xKey) && (is_array($xValue) || is_string($xValue))) |
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{ |
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// Register a function with options |
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$this->xPluginManager->registerCallable($sCallableType, $xKey, $xValue); |
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} |
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} |
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} |
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/** |
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* Register exceptions handlers |
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* |
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* @param Config $xConfig |
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* |
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* @return void |
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*/ |
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private function registerExceptionHandlers(Config $xConfig) |
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{ |
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foreach($xConfig->getOption('exceptions', []) as $sExClass => $xExHandler) |
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{ |
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$this->xCallbackManager->error($xExHandler, is_string($sExClass) ? $sExClass : ''); |
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} |
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} |
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/** |
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* Read and set Jaxon options from a JSON config file |
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* |
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* @param Config $xConfig The config options |
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* @param Config|null $xUserConfig The user provided package options |
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* |
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* @return void |
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* @throws SetupException |
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*/ |
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private function registerItemsFromConfig(Config $xConfig, ?Config $xUserConfig = null) |
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{ |
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// Register functions, classes and directories |
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$this->registerCallables($xConfig->getOption('functions', []), Jaxon::CALLABLE_FUNCTION); |
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$this->registerCallables($xConfig->getOption('classes', []), Jaxon::CALLABLE_CLASS); |
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$this->registerCallables($xConfig->getOption('directories', []), Jaxon::CALLABLE_DIR); |
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// Register the view namespaces |
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// Note: the $xUserConfig can provide a "template" option, which is used to customize |
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// the user defined view namespaces. That's why it is needed here. |
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$this->xViewRenderer->addNamespaces($xConfig, $xUserConfig); |
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// Save items in the DI container |
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$this->updateContainer($xConfig); |
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// Register the exception handlers |
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$this->registerExceptionHandlers($xConfig); |
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} |
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/** |
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* Get the options provided by the package library |
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* |
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* @param string $sClassName The package class |
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* |
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* @return Config |
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* @throws SetupException |
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*/ |
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private function getPackageLibConfig(string $sClassName): Config |
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{ |
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// $this->aPackages contains packages config file paths. |
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$aLibOptions = $sClassName::config(); |
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if(is_string($aLibOptions)) |
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{ |
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// A string is supposed to be the path to a config file. |
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$aLibOptions = $this->xConfigManager->read($aLibOptions); |
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} |
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elseif(!is_array($aLibOptions)) |
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{ |
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// Otherwise, anything else than an array is not accepted. |
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$sMessage = $this->xTranslator->trans('errors.register.invalid', ['name' => $sClassName]); |
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throw new SetupException($sMessage); |
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} |
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// Add the package name to the config |
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$aLibOptions['package'] = $sClassName; |
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return $this->xConfigManager->newConfig($aLibOptions); |
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} |
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/** |
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* Get the options provided by the package user |
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* |
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* @param array $aUserOptions The user provided options |
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* |
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* @return Config |
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* @throws SetupException |
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*/ |
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private function getPackageUserConfig(array $aUserOptions): Config |
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{ |
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$xOptionsProvider = $aUserOptions['provider'] ?? null; |
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// The user can provide a callable that returns the package options. |
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if(is_callable($xOptionsProvider)) |
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{ |
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$aUserOptions = $xOptionsProvider($aUserOptions); |
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} |
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return $this->xConfigManager->newConfig($aUserOptions); |
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} |
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/** |
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* Register a package |
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* |
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* @param string $sClassName The package class |
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* @param array $aUserOptions The user provided package options |
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* |
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* @return void |
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* @throws SetupException |
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*/ |
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public function registerPackage(string $sClassName, array $aUserOptions) |
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{ |
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$sClassName = trim($sClassName, '\\ '); |
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if(!is_subclass_of($sClassName, Package::class)) |
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{ |
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$sMessage = $this->xTranslator->trans('errors.register.invalid', ['name' => $sClassName]); |
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throw new SetupException($sMessage); |
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} |
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// Register the declarations in the package config. |
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$xAppConfig = $this->getPackageLibConfig($sClassName); |
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$xUserConfig = $this->getPackageUserConfig($aUserOptions); |
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$this->registerItemsFromConfig($xAppConfig, $xUserConfig); |
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// Register the package and its options in the DI |
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$this->di->registerPackage($sClassName, $xUserConfig); |
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// Register the package as a code generator. |
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$this->xCodeGenerator->addCodeGenerator($sClassName, 500); |
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} |
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/** |
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* Get a package instance |
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* |
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* @param string $sClassName The package class name |
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* |
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* @return Package|null |
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*/ |
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public function getPackage(string $sClassName): ?Package |
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{ |
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$sClassName = trim($sClassName, '\\ '); |
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return $this->di->h($sClassName) ? $this->di->g($sClassName) : null; |
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} |
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/** |
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* Read and set Jaxon options from the config |
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* |
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* @param Config $xAppConfig The config options |
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* |
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* @return void |
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* @throws SetupException |
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*/ |
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public function registerFromConfig(Config $xAppConfig) |
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{ |
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$this->registerItemsFromConfig($xAppConfig); |
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// Register packages |
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$aPackageConfig = $xAppConfig->getOption('packages', []); |
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foreach($aPackageConfig as $sClassName => $aPkgOptions) |
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{ |
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$this->registerPackage($sClassName, $aPkgOptions); |
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} |
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} |
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} |
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