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<?php |
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declare(strict_types=1); |
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namespace ProxyManager\ProxyGenerator\Util; |
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use ReflectionClass; |
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use ReflectionProperty; |
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use function array_map; |
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use function implode; |
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use function reset; |
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use function sprintf; |
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use function var_export; |
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/** |
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* Generates code necessary to unset all the given properties from a particular given instance string name |
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*/ |
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final class UnsetPropertiesGenerator |
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{ |
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private const CLOSURE_TEMPLATE = <<<'PHP' |
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\Closure::bind(function (\%s $instance) { |
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%s |
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}, $%s, %s)->__invoke($%s); |
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PHP; |
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public static function generateSnippet(Properties $properties, string $instanceName) : string |
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{ |
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$unsettableProperties = $properties->onlyPropertiesThatCanBeUnset(); |
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4 |
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return self::generateUnsetAccessiblePropertiesCode($unsettableProperties, $instanceName) |
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. self::generateUnsetPrivatePropertiesCode($unsettableProperties, $instanceName); |
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4 |
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} |
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private static function generateUnsetAccessiblePropertiesCode(Properties $properties, string $instanceName) : string |
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{ |
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$accessibleProperties = $properties->getAccessibleProperties(); |
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2 |
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if (! $accessibleProperties) { |
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return ''; |
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} |
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return self::generateUnsetStatement($accessibleProperties, $instanceName) . "\n\n"; |
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} |
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private static function generateUnsetPrivatePropertiesCode(Properties $properties, string $instanceName) : string |
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{ |
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$groups = $properties->getGroupedPrivateProperties(); |
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1 |
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if (! $groups) { |
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return ''; |
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} |
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$unsetClosureCalls = []; |
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3 |
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foreach ($groups as $privateProperties) { |
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/** @var ReflectionProperty $firstProperty */ |
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$firstProperty = reset($privateProperties); |
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3 |
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$unsetClosureCalls[] = self::generateUnsetClassPrivatePropertiesBlock( |
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$firstProperty->getDeclaringClass(), |
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$privateProperties, |
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$instanceName |
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); |
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} |
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3 |
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return implode("\n\n", $unsetClosureCalls) . "\n\n"; |
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} |
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/** @param array<string, ReflectionProperty> $properties */ |
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private static function generateUnsetClassPrivatePropertiesBlock( |
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ReflectionClass $declaringClass, |
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array $properties, |
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string $instanceName |
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) : string { |
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$declaringClassName = $declaringClass->getName(); |
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3 |
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return sprintf( |
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self::CLOSURE_TEMPLATE, |
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$declaringClassName, |
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self::generateUnsetStatement($properties, 'instance'), |
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$instanceName, |
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var_export($declaringClassName, true), |
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$instanceName |
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); |
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} |
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/** @param array<string, ReflectionProperty> $properties */ |
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private static function generateUnsetStatement(array $properties, string $instanceName) : string |
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{ |
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return 'unset(' |
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. implode( |
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', ', |
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array_map( |
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static function (ReflectionProperty $property) use ($instanceName) : string { |
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return '$' . $instanceName . '->' . $property->getName(); |
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}, |
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$properties |
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) |
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) |
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. ');'; |
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} |
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} |
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Ocramius /
ProxyManager
