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<?php |
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/** |
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* @copyright Copyright (C) eZ Systems AS. All rights reserved. |
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* @license For full copyright and license information view LICENSE file distributed with this source code. |
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*/ |
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namespace eZ\Bundle\EzPublishCoreBundle\DependencyInjection\Compiler; |
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use eZ\Bundle\EzPublishCoreBundle\DependencyInjection\Configuration\SiteAccessAware\DynamicSettingParserInterface; |
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use Symfony\Component\DependencyInjection\Compiler\CompilerPassInterface; |
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use Symfony\Component\DependencyInjection\ContainerBuilder; |
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use Symfony\Component\DependencyInjection\Reference; |
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use Symfony\Component\ExpressionLanguage\Expression; |
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/** |
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* This compiler pass will resolve config resolver parameters, delimited by $ chars (e.g. $my_parameter$). |
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* It will replace those parameters by fake services having the config resolver as factory. |
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* The factory method will then return the right value, at runtime. |
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* |
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* Supported syntax for parameters: $<paramName>[;<namespace>[;<scope>]]$ |
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* |
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* @see \eZ\Bundle\EzPublishCoreBundle\DependencyInjection\Configuration\SiteAccessAware\DynamicSettingParserInterface |
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*/ |
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class ConfigResolverParameterPass implements CompilerPassInterface |
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{ |
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/** @var DynamicSettingParserInterface */ |
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private $dynamicSettingParser; |
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public function __construct(DynamicSettingParserInterface $dynamicSettingParser) |
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{ |
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$this->dynamicSettingParser = $dynamicSettingParser; |
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} |
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public function process(ContainerBuilder $container) |
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{ |
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$dynamicSettingsServices = []; |
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$resettableServices = []; |
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$updateableServices = $container->getParameter('ezpublish.config_resolver.updateable_services'); |
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// Pass #1 Loop against all arguments of all service definitions to replace dynamic settings by the fake service. |
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foreach ($container->getDefinitions() as $serviceId => $definition) { |
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// Constructor injection |
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$replaceArguments = []; |
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foreach ($definition->getArguments() as $i => $arg) { |
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if (!$this->dynamicSettingParser->isDynamicSetting($arg)) { |
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continue; |
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} |
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// Decorators use index_X for their key |
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if (strpos($i, 'index') === 0) { |
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$i = (int)substr($i, strlen('index_')); |
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} |
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$replaceArguments[$i] = $this->createExpression($this->dynamicSettingParser->parseDynamicSetting($arg)); |
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} |
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if (!empty($replaceArguments)) { |
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$dynamicSettingsServices[$serviceId] = true; |
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foreach ($replaceArguments as $i => $arg) { |
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$definition->replaceArgument($i, $arg); |
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} |
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} |
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// Setter injection |
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$methodCalls = $definition->getMethodCalls(); |
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foreach ($methodCalls as $i => &$call) { |
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list($method, $callArgs) = $call; |
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$callHasDynamicSetting = false; |
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foreach ($callArgs as &$callArg) { |
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if (!$this->dynamicSettingParser->isDynamicSetting($callArg)) { |
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continue; |
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} |
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$callArg = $this->createExpression($this->dynamicSettingParser->parseDynamicSetting($callArg)); |
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$callHasDynamicSetting = true; |
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} |
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$call = [$method, $callArgs]; |
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if ($callHasDynamicSetting) { |
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// We only support single dynamic setting injection for updatable services. |
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if (count($callArgs) == 1) { |
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$updateableServices[$serviceId][] = [$method, (string)$callArgs[0]]; |
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} else { |
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// Method call has more than 1 argument, so we will reset it instead of updating it. |
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$dynamicSettingsServices[$serviceId] = true; |
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// Ensure current service is not registered as updatable service. |
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unset($updateableServices[$serviceId]); |
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} |
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} |
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} |
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$definition->setMethodCalls($methodCalls); |
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} |
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// Pass #2 Loop again, to get all services depending on dynamic settings services. |
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foreach ($container->getDefinitions() as $id => $definition) { |
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$isDependent = false; |
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foreach ($definition->getArguments() as $arg) { |
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if ( |
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!( |
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$arg instanceof Reference |
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&& isset($dynamicSettingsServices[(string)$arg]) |
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) |
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) { |
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continue; |
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} |
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$isDependent = true; |
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break; |
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} |
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if ($isDependent) { |
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$resettableServices[] = $id; |
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} |
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} |
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$resettableServices = array_unique( |
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array_merge( |
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array_keys($dynamicSettingsServices), |
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$resettableServices |
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) |
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); |
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$container->setParameter('ezpublish.config_resolver.resettable_services', $resettableServices); |
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$container->setParameter('ezpublish.config_resolver.updateable_services', $updateableServices); |
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} |
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/** |
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* Returns the expression object corresponding to passed dynamic setting. |
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* |
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* @param array $dynamicSetting Parsed dynamic setting, as returned by DynamicSettingParser. |
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* |
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* @return Expression |
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*/ |
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View Code Duplication |
private function createExpression(array $dynamicSetting) |
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{ |
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$expression = sprintf( |
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'service("ezpublish.config.resolver").getParameter("%s", %s, %s)', |
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$dynamicSetting['param'], |
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isset($dynamicSetting['namespace']) ? '"' . $dynamicSetting['namespace'] . '"' : 'null', |
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isset($dynamicSetting['scope']) ? '"' . $dynamicSetting['scope'] . '"' : 'null' |
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); |
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return new Expression($expression); |
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} |
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} |
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ezsystems /
ezpublish-kernel
