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<?php |
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declare(strict_types=1); |
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namespace Spiral\Core\Internal\Proxy; |
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/** |
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* @internal |
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*/ |
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final class ProxyClassRenderer |
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{ |
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/** |
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* @param \ReflectionClass $type Interface reflection. |
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* @param string $className Class name to use in the generated code. |
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* @param bool $defineOverload Define __call() and __callStatic() methods. |
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* @param bool $attachContainer Attach container to the proxy. |
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* |
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* @return non-empty-string PHP code |
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*/ |
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public static function renderClass( |
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\ReflectionClass $type, |
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string $className, |
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bool $defineOverload = false, |
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bool $attachContainer = false, |
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): string { |
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$traits = $defineOverload ? [ |
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MagicCallTrait::class, |
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] : []; |
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if (\str_contains($className, '\\')) { |
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$classShortName = \substr($className, \strrpos($className, '\\') + 1); |
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$classNamespaceStr = 'namespace ' . \substr($className, 0, \strrpos($className, '\\')) . ';'; |
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} else { |
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$classShortName = $className; |
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$classNamespaceStr = ''; |
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} |
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$interface = $type->getName(); |
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$classBody = []; |
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foreach ($type->getMethods() as $method) { |
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if ($method->isConstructor()) { |
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continue; |
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} |
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$hasRefs = false; |
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$return = $method->hasReturnType() && (string)$method->getReturnType() === 'void' ? '' : 'return '; |
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$call = ($method->isStatic() ? '::' : '->') . $method->getName(); |
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$context = $method->isStatic() ? 'null' : '$this->__container_proxy_context'; |
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$containerStr = match (false) { |
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$attachContainer => 'null', |
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/** @see \Spiral\Core\Internal\Proxy\ProxyTrait::__container_proxy_container */ |
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$method->isStatic() => '$this->__container_proxy_container', |
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default => \sprintf( |
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'throw new \Spiral\Core\Exception\Container\ContainerException(\'%s\')', |
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'Static method call is not allowed on a Proxy that was created without dynamic scope.', |
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), |
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}; |
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$resolveStr = <<<PHP |
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\\Spiral\\Core\\Internal\\Proxy\\Resolver::resolve( |
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'{$interface}', |
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{$context}, |
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{$containerStr}, |
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) |
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PHP; |
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$args = []; |
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foreach ($method->getParameters() as $param) { |
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$hasRefs = $hasRefs || $param->isPassedByReference(); |
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$args[] = ($param->isVariadic() ? '...' : '') . '$' . $param->getName(); |
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} |
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if (!$hasRefs && !$method->isVariadic()) { |
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$classBody[] = self::renderMethod( |
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$method, |
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<<<PHP |
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{$return}{$resolveStr}{$call}(...\\func_get_args()); |
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PHP |
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); |
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continue; |
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} |
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$argsStr = \implode(', ', $args); |
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if ($method->isVariadic()) { |
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$classBody[] = self::renderMethod( |
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$method, |
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<<<PHP |
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{$return}{$resolveStr}{$call}($argsStr); |
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1 |
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PHP |
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); |
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continue; |
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} |
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$countParams = $method->getNumberOfParameters(); |
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$classBody[] = self::renderMethod( |
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$method, |
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<<<PHP |
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{$return}{$resolveStr}{$call}($argsStr, ...\\array_slice(\\func_get_args(), {$countParams})); |
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PHP |
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); |
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} |
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$bodyStr = \implode("\n\n", $classBody); |
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$traitsStr = $traits === [] ? '' : \implode( |
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"\n ", |
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\array_map(fn (string $trait): string => 'use \\' . \ltrim($trait, '\\') . ';', $traits) |
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); |
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return <<<PHP |
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$classNamespaceStr |
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final class $classShortName implements \\$interface { |
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use \Spiral\Core\Internal\Proxy\ProxyTrait; |
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$traitsStr |
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$bodyStr |
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} |
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PHP; |
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} |
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public static function renderMethod(\ReflectionMethod $m, string $body = ''): string |
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{ |
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return \sprintf( |
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"public%s function %s%s(%s)%s {\n%s\n}", |
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$m->isStatic() ? ' static' : '', |
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$m->returnsReference() ? '&' : '', |
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$m->getName(), |
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\implode(', ', \array_map([self::class, 'renderParameter'], $m->getParameters())), |
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$m->hasReturnType() |
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? ': ' . self::renderParameterTypes($m->getReturnType(), $m->getDeclaringClass()) |
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: '', |
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$body, |
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); |
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} |
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public static function renderParameter(\ReflectionParameter $param): string |
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{ |
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return \ltrim( |
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\sprintf( |
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'%s %s%s%s%s', |
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$param->hasType() ? self::renderParameterTypes($param->getType(), $param->getDeclaringClass()) : '', |
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$param->isPassedByReference() ? '&' : '', |
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$param->isVariadic() ? '...' : '', |
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'$' . $param->getName(), |
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$param->isOptional() && !$param->isVariadic() ? ' = ' . self::renderDefaultValue($param) : '', |
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), |
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' ' |
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); |
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} |
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public static function renderParameterTypes(\ReflectionType $types, \ReflectionClass $class): string |
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{ |
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if ($types instanceof \ReflectionNamedType) { |
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return ($types->allowsNull() && $types->getName() !== 'mixed' ? '?' : '') . ($types->isBuiltin() |
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? $types->getName() |
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: self::normalizeClassType($types, $class)); |
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} |
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[$separator, $types] = match (true) { |
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$types instanceof \ReflectionUnionType => ['|', $types->getTypes()], |
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$types instanceof \ReflectionIntersectionType => ['&', $types->getTypes()], |
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default => throw new \Exception('Unknown type.'), |
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}; |
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164
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$result = []; |
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foreach ($types as $type) { |
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$result[] = $type->isBuiltin() |
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? $type->getName() |
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: self::normalizeClassType($type, $class); |
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} |
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return \implode($separator, $result); |
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} |
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1 |
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public static function renderDefaultValue(\ReflectionParameter $param): string |
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{ |
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1 |
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if ($param->isDefaultValueConstant()) { |
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$result = $param->getDefaultValueConstantName(); |
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return \explode('::', $result)[0] === 'self' |
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? $result |
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: '\\' . $result; |
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} |
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$cut = self::cutDefaultValue($param); |
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return \str_starts_with($cut, 'new ') |
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? $cut |
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1 |
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: \var_export($param->getDefaultValue(), true); |
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} |
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191
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1 |
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public static function normalizeClassType(\ReflectionNamedType $type, \ReflectionClass $class): string |
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{ |
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return '\\' . ($type->getName() === 'self' ? $class->getName() : $type->getName()); |
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} |
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1 |
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private static function cutDefaultValue(\ReflectionParameter $param): string |
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{ |
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$string = (string)$param; |
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return \trim(\substr($string, \strpos($string, '=') + 1, -1)); |
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} |
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} |
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spiral /
framework
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