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<?php
namespace Doctrine\Common\Proxy;
use BackedEnum;
use Doctrine\Common\Proxy\Exception\InvalidArgumentException;
use Doctrine\Common\Proxy\Exception\UnexpectedValueException;
use Doctrine\Common\Util\ClassUtils;
use Doctrine\Persistence\Mapping\ClassMetadata;
use ReflectionIntersectionType;
use ReflectionMethod;
use ReflectionNamedType;
use ReflectionParameter;
use ReflectionProperty;
use ReflectionType;
use ReflectionUnionType;
use function array_combine;
use function array_diff;
use function array_key_exists;
use function array_map;
use function array_slice;
use function array_unique;
use function assert;
use function bin2hex;
use function call_user_func;
use function chmod;
use function class_exists;
use function dirname;
use function explode;
use function file;
use function file_put_contents;
use function get_class;
use function implode;
use function in_array;
use function interface_exists;
use function is_callable;
use function is_dir;
use function is_scalar;
use function is_string;
use function is_writable;
use function lcfirst;
use function ltrim;
use function method_exists;
use function mkdir;
use function preg_match;
use function preg_match_all;
use function preg_replace;
use function preg_split;
use function random_bytes;
use function rename;
use function rtrim;
use function sprintf;
use function str_replace;
use function strpos;
use function strrev;
use function strtolower;
use function strtr;
use function substr;
use function trim;
use function var_export;
use const DIRECTORY_SEPARATOR;
use const PHP_VERSION_ID;
use const PREG_SPLIT_DELIM_CAPTURE;
/**
* This factory is used to generate proxy classes.
* It builds proxies from given parameters, a template and class metadata.
*/
class ProxyGenerator
{
/**
* Used to match very simple id methods that don't need
* to be decorated since the identifier is known.
*/
public const PATTERN_MATCH_ID_METHOD = <<<'EOT'
((?(DEFINE)
(?<type>\\?[a-z_\x7f-\xff][\w\x7f-\xff]*(?:\\[a-z_\x7f-\xff][\w\x7f-\xff]*)*)
(?<intersection_type>(?&type)\s*&\s*(?&type))
(?<union_type>(?:(?:\(\s*(?&intersection_type)\s*\))|(?&type))(?:\s*\|\s*(?:(?:\(\s*(?&intersection_type)\s*\))|(?&type)))+)
)(?:public\s+)?(?:function\s+%s\s*\(\)\s*)\s*(?::\s*(?:(?&union_type)|(?&intersection_type)|(?:\??(?&type)))\s*)?{\s*return\s*\$this->%s;\s*})i
EOT;
/**
* The namespace that contains all proxy classes.
*
* @var string
*/
private $proxyNamespace;
/**
* The directory that contains all proxy classes.
*
* @var string
*/
private $proxyDirectory;
/**
* Map of callables used to fill in placeholders set in the template.
*
* @var string[]|callable[]
*/
protected $placeholders = [
'baseProxyInterface' => Proxy::class,
'additionalProperties' => '',
];
/**
* Template used as a blueprint to generate proxies.
*
* @var string
*/
protected $proxyClassTemplate = '<?php
namespace <namespace>;
<enumUseStatements>
/**
* DO NOT EDIT THIS FILE - IT WAS CREATED BY DOCTRINE\'S PROXY GENERATOR
*/
class <proxyShortClassName> extends \<className> implements \<baseProxyInterface>
{
/**
* @var \Closure the callback responsible for loading properties in the proxy object. This callback is called with
* three parameters, being respectively the proxy object to be initialized, the method that triggered the
* initialization process and an array of ordered parameters that were passed to that method.
*
* @see \Doctrine\Common\Proxy\Proxy::__setInitializer
*/
public $__initializer__;
/**
* @var \Closure the callback responsible of loading properties that need to be copied in the cloned object
*
* @see \Doctrine\Common\Proxy\Proxy::__setCloner
*/
public $__cloner__;
/**
* @var boolean flag indicating if this object was already initialized
*
* @see \Doctrine\Persistence\Proxy::__isInitialized
*/
public $__isInitialized__ = false;
/**
* @var array<string, null> properties to be lazy loaded, indexed by property name
*/
public static $lazyPropertiesNames = <lazyPropertiesNames>;
/**
* @var array<string, mixed> default values of properties to be lazy loaded, with keys being the property names
*
* @see \Doctrine\Common\Proxy\Proxy::__getLazyProperties
*/
public static $lazyPropertiesDefaults = <lazyPropertiesDefaults>;
<additionalProperties>
<constructorImpl>
<magicGet>
<magicSet>
<magicIsset>
<sleepImpl>
<wakeupImpl>
<cloneImpl>
/**
* Forces initialization of the proxy
*/
public function __load(): void
{
$this->__initializer__ && $this->__initializer__->__invoke($this, \'__load\', []);
}
/**
* {@inheritDoc}
* @internal generated method: use only when explicitly handling proxy specific loading logic
*/
public function __isInitialized(): bool
{
return $this->__isInitialized__;
}
/**
* {@inheritDoc}
* @internal generated method: use only when explicitly handling proxy specific loading logic
*/
public function __setInitialized($initialized): void
{
$this->__isInitialized__ = $initialized;
}
/**
* {@inheritDoc}
* @internal generated method: use only when explicitly handling proxy specific loading logic
*/
public function __setInitializer(\Closure $initializer = null): void
{
$this->__initializer__ = $initializer;
}
/**
* {@inheritDoc}
* @internal generated method: use only when explicitly handling proxy specific loading logic
*/
public function __getInitializer(): ?\Closure
{
return $this->__initializer__;
}
/**
* {@inheritDoc}
* @internal generated method: use only when explicitly handling proxy specific loading logic
*/
public function __setCloner(\Closure $cloner = null): void
{
$this->__cloner__ = $cloner;
}
/**
* {@inheritDoc}
* @internal generated method: use only when explicitly handling proxy specific cloning logic
*/
public function __getCloner(): ?\Closure
{
return $this->__cloner__;
}
/**
* {@inheritDoc}
* @internal generated method: use only when explicitly handling proxy specific loading logic
* @deprecated no longer in use - generated code now relies on internal components rather than generated public API
* @static
*/
public function __getLazyProperties(): array
{
return self::$lazyPropertiesDefaults;
}
<methods>
}
';
/**
* Initializes a new instance of the <tt>ProxyFactory</tt> class that is
* connected to the given <tt>EntityManager</tt>.
*
* @param string $proxyDirectory The directory to use for the proxy classes. It must exist.
* @param string $proxyNamespace The namespace to use for the proxy classes.
*
* @throws InvalidArgumentException
*/
public function __construct($proxyDirectory, $proxyNamespace)
{
if (! $proxyDirectory) {
throw InvalidArgumentException::proxyDirectoryRequired();
}
if (! $proxyNamespace) {
throw InvalidArgumentException::proxyNamespaceRequired();
}
$this->proxyDirectory = $proxyDirectory;
$this->proxyNamespace = $proxyNamespace;
}
/**
* Sets a placeholder to be replaced in the template.
*
* @param string $name
* @param string|callable $placeholder
*
* @throws InvalidArgumentException
*/
public function setPlaceholder($name, $placeholder)
{
if (! is_string($placeholder) && ! is_callable($placeholder)) {
throw InvalidArgumentException::invalidPlaceholder($name);
}
$this->placeholders[$name] = $placeholder;
}
/**
* Sets the base template used to create proxy classes.
*
* @param string $proxyClassTemplate
*/
public function setProxyClassTemplate($proxyClassTemplate)
{
$this->proxyClassTemplate = (string) $proxyClassTemplate;
}
/**
* Generates a proxy class file.
*
* @param ClassMetadata $class Metadata for the original class.
* @param string|bool $fileName Filename (full path) for the generated class. If none is given, eval() is used.
*
* @throws InvalidArgumentException
* @throws UnexpectedValueException
*/
public function generateProxyClass(ClassMetadata $class, $fileName = false)
{
$this->verifyClassCanBeProxied($class);
preg_match_all('(<([a-zA-Z]+)>)', $this->proxyClassTemplate, $placeholderMatches);
$placeholderMatches = array_combine($placeholderMatches[0], $placeholderMatches[1]);
$placeholders = [];
foreach ($placeholderMatches as $placeholder => $name) {
$placeholders[$placeholder] = $this->placeholders[$name] ?? [$this, 'generate' . $name];
}
foreach ($placeholders as & $placeholder) {
if (! is_callable($placeholder)) {
continue;
}
$placeholder = call_user_func($placeholder, $class);
}
$proxyCode = strtr($this->proxyClassTemplate, $placeholders);
if (! $fileName) {
$proxyClassName = $this->generateNamespace($class) . '\\' . $this->generateProxyShortClassName($class);
if (! class_exists($proxyClassName)) {
eval(substr($proxyCode, 5));
}
return;
}
$parentDirectory = dirname($fileName);
if (! is_dir($parentDirectory) && (@mkdir($parentDirectory, 0775, true) === false)) {
throw UnexpectedValueException::proxyDirectoryNotWritable($this->proxyDirectory);
}
if (! is_writable($parentDirectory)) {
throw UnexpectedValueException::proxyDirectoryNotWritable($this->proxyDirectory);
}
$tmpFileName = $fileName . '.' . bin2hex(random_bytes(12));
file_put_contents($tmpFileName, $proxyCode);
@chmod($tmpFileName, 0664);
rename($tmpFileName, $fileName);
}
/** @throws InvalidArgumentException */
private function verifyClassCanBeProxied(ClassMetadata $class)
{
if ($class->getReflectionClass()->isFinal()) {
throw InvalidArgumentException::classMustNotBeFinal($class->getName());
}
if ($class->getReflectionClass()->isAbstract()) {
throw InvalidArgumentException::classMustNotBeAbstract($class->getName());
}
if (PHP_VERSION_ID >= 80200 && $class->getReflectionClass()->isReadOnly()) {
throw InvalidArgumentException::classMustNotBeReadOnly($class->getName());
}
}
/**
* Generates the proxy short class name to be used in the template.
*
* @return string
*/
private function generateProxyShortClassName(ClassMetadata $class)
{
$proxyClassName = ClassUtils::generateProxyClassName($class->getName(), $this->proxyNamespace);
$parts = explode('\\', strrev($proxyClassName), 2);
return strrev($parts[0]);
}
/**
* Generates the proxy namespace.
*
* @return string
*/
private function generateNamespace(ClassMetadata $class)
{
$proxyClassName = ClassUtils::generateProxyClassName($class->getName(), $this->proxyNamespace);
$parts = explode('\\', strrev($proxyClassName), 2);
return strrev($parts[1]);
}
/**
* Enums must have a use statement when used as public property defaults.
*/
public function generateEnumUseStatements(ClassMetadata $class): string
{
if (PHP_VERSION_ID < 80100) {
return "\n";
}
$defaultProperties = $class->getReflectionClass()->getDefaultProperties();
$lazyLoadedPublicProperties = $this->getLazyLoadedPublicPropertiesNames($class);
$enumClasses = [];
foreach ($class->getReflectionClass()->getProperties(ReflectionProperty::IS_PUBLIC) as $property) {
$name = $property->getName();
if (! in_array($name, $lazyLoadedPublicProperties, true)) {
continue;
}
if (array_key_exists($name, $defaultProperties) && $defaultProperties[$name] instanceof BackedEnum) {
$enumClassNameParts = explode('\\', get_class($defaultProperties[$name]));
$enumClasses[] = $enumClassNameParts[0];
}
}
return implode(
"\n",
array_map(
static function ($className) {
return 'use ' . $className . ';';
},
array_unique($enumClasses)
)
) . "\n";
}
/**
* Generates the original class name.
*
* @return string
*/
private function generateClassName(ClassMetadata $class)
{
return ltrim($class->getName(), '\\');
}
/**
* Generates the array representation of lazy loaded public properties and their default values.
*
* @return string
*/
private function generateLazyPropertiesNames(ClassMetadata $class)
{
$lazyPublicProperties = $this->getLazyLoadedPublicPropertiesNames($class);
$values = [];
foreach ($lazyPublicProperties as $name) {
$values[$name] = null;
}
return var_export($values, true);
}
/**
* Generates the array representation of lazy loaded public properties names.
*
* @return string
*/
private function generateLazyPropertiesDefaults(ClassMetadata $class)
{
return var_export($this->getLazyLoadedPublicProperties($class), true);
}
/**
* Generates the constructor code (un-setting public lazy loaded properties, setting identifier field values).
*
* @return string
*/
private function generateConstructorImpl(ClassMetadata $class)
{
$constructorImpl = <<<'EOT'
public function __construct(?\Closure $initializer = null, ?\Closure $cloner = null)
{
EOT;
$toUnset = array_map(static function (string $name): string {
return '$this->' . $name;
}, $this->getLazyLoadedPublicPropertiesNames($class));
return $constructorImpl . ($toUnset === [] ? '' : ' unset(' . implode(', ', $toUnset) . ");\n")
. <<<'EOT'
$this->__initializer__ = $initializer;
$this->__cloner__ = $cloner;
}
EOT;
}
/**
* Generates the magic getter invoked when lazy loaded public properties are requested.
*
* @return string
*/
private function generateMagicGet(ClassMetadata $class)
{
$lazyPublicProperties = $this->getLazyLoadedPublicPropertiesNames($class);
$reflectionClass = $class->getReflectionClass();
$hasParentGet = false;
$returnReference = '';
$inheritDoc = '';
$name = '$name';
$parametersString = '$name';
$returnTypeHint = null;
if ($reflectionClass->hasMethod('__get')) {
$hasParentGet = true;
$inheritDoc = '{@inheritDoc}';
$methodReflection = $reflectionClass->getMethod('__get');
if ($methodReflection->returnsReference()) {
$returnReference = '& ';
}
$methodParameters = $methodReflection->getParameters();
$name = '$' . $methodParameters[0]->getName();
$parametersString = $this->buildParametersString($methodReflection->getParameters(), ['name']);
$returnTypeHint = $this->getMethodReturnType($methodReflection);
}
if (empty($lazyPublicProperties) && ! $hasParentGet) {
return '';
}
$magicGet = <<<EOT
/**
* $inheritDoc
* @param string \$name
*/
public function {$returnReference}__get($parametersString)$returnTypeHint
{
EOT;
if (! empty($lazyPublicProperties)) {
$magicGet .= <<<'EOT'
if (\array_key_exists($name, self::$lazyPropertiesNames)) {
$this->__initializer__ && $this->__initializer__->__invoke($this, '__get', [$name]);
EOT;
if ($returnTypeHint === ': void') {
$magicGet .= "\n return;";
} else {
$magicGet .= "\n return \$this->\$name;";
}
$magicGet .= <<<'EOT'
}
EOT;
}
if ($hasParentGet) {
$magicGet .= <<<'EOT'
$this->__initializer__ && $this->__initializer__->__invoke($this, '__get', [$name]);
EOT;
if ($returnTypeHint === ': void') {
$magicGet .= <<<'EOT'
parent::__get($name);
return;
EOT;
} elseif ($returnTypeHint === ': never') {
$magicGet .= <<<'EOT'
parent::__get($name);
EOT;
} else {
$magicGet .= <<<'EOT'
return parent::__get($name);
EOT;
}
} else {
$magicGet .= sprintf(<<<EOT
trigger_error(sprintf('Undefined property: %%s::$%%s', __CLASS__, %s), E_USER_NOTICE);
EOT
, $name);
}
return $magicGet . "\n }";
}
/**
* Generates the magic setter (currently unused).
*
* @return string
*/
private function generateMagicSet(ClassMetadata $class)
{
$lazyPublicProperties = $this->getLazyLoadedPublicPropertiesNames($class);
$reflectionClass = $class->getReflectionClass();
$hasParentSet = false;
$inheritDoc = '';
$parametersString = '$name, $value';
$returnTypeHint = null;
if ($reflectionClass->hasMethod('__set')) {
$hasParentSet = true;
$inheritDoc = '{@inheritDoc}';
$methodReflection = $reflectionClass->getMethod('__set');
$parametersString = $this->buildParametersString($methodReflection->getParameters(), ['name', 'value']);
$returnTypeHint = $this->getMethodReturnType($methodReflection);
}
if (empty($lazyPublicProperties) && ! $hasParentSet) {
return '';
}
$magicSet = <<<EOT
/**
* $inheritDoc
* @param string \$name
* @param mixed \$value
*/
public function __set($parametersString)$returnTypeHint
{
EOT;
if (! empty($lazyPublicProperties)) {
$magicSet .= <<<'EOT'
if (\array_key_exists($name, self::$lazyPropertiesNames)) {
$this->__initializer__ && $this->__initializer__->__invoke($this, '__set', [$name, $value]);
$this->$name = $value;
return;
}
EOT;
}
if ($hasParentSet) {
$magicSet .= <<<'EOT'
$this->__initializer__ && $this->__initializer__->__invoke($this, '__set', [$name, $value]);
EOT;
if ($returnTypeHint === ': void') {
$magicSet .= <<<'EOT'
parent::__set($name, $value);
return;
EOT;
} elseif ($returnTypeHint === ': never') {
$magicSet .= <<<'EOT'
parent::__set($name, $value);
EOT;
} else {
$magicSet .= <<<'EOT'
return parent::__set($name, $value);
EOT;
}
} else {
$magicSet .= ' $this->$name = $value;';
}
return $magicSet . "\n }";
}
/**
* Generates the magic issetter invoked when lazy loaded public properties are checked against isset().
*
* @return string
*/
private function generateMagicIsset(ClassMetadata $class)
{
$lazyPublicProperties = $this->getLazyLoadedPublicPropertiesNames($class);
$hasParentIsset = $class->getReflectionClass()->hasMethod('__isset');
$parametersString = '$name';
$returnTypeHint = null;
if ($hasParentIsset) {
$methodReflection = $class->getReflectionClass()->getMethod('__isset');
$parametersString = $this->buildParametersString($methodReflection->getParameters(), ['name']);
$returnTypeHint = $this->getMethodReturnType($methodReflection);
}
if (empty($lazyPublicProperties) && ! $hasParentIsset) {
return '';
}
$inheritDoc = $hasParentIsset ? '{@inheritDoc}' : '';
$magicIsset = <<<EOT
/**
* $inheritDoc
* @param string \$name
* @return boolean
*/
public function __isset($parametersString)$returnTypeHint
{
EOT;
if (! empty($lazyPublicProperties)) {
$magicIsset .= <<<'EOT'
if (\array_key_exists($name, self::$lazyPropertiesNames)) {
$this->__initializer__ && $this->__initializer__->__invoke($this, '__isset', [$name]);
return isset($this->$name);
}
EOT;
}
if ($hasParentIsset) {
$magicIsset .= <<<'EOT'
$this->__initializer__ && $this->__initializer__->__invoke($this, '__isset', [$name]);
return parent::__isset($name);
EOT;
} else {
$magicIsset .= ' return false;';
}
return $magicIsset . "\n }";
}
/**
* Generates implementation for the `__sleep` method of proxies.
*
* @return string
*/
private function generateSleepImpl(ClassMetadata $class)
{
$reflectionClass = $class->getReflectionClass();
$hasParentSleep = $reflectionClass->hasMethod('__sleep');
$inheritDoc = $hasParentSleep ? '{@inheritDoc}' : '';
$returnTypeHint = $hasParentSleep ? $this->getMethodReturnType($reflectionClass->getMethod('__sleep')) : '';
$sleepImpl = <<<EOT
/**
* $inheritDoc
* @return array
*/
public function __sleep()$returnTypeHint
{
EOT;
if ($hasParentSleep) {
return $sleepImpl . <<<'EOT'
$properties = array_merge(['__isInitialized__'], parent::__sleep());
if ($this->__isInitialized__) {
$properties = array_diff($properties, array_keys(self::$lazyPropertiesNames));
}
return $properties;
}
EOT;
}
$allProperties = ['__isInitialized__'];
foreach ($class->getReflectionClass()->getProperties() as $prop) {
assert($prop instanceof ReflectionProperty);
if ($prop->isStatic()) {
continue;
}
$allProperties[] = $prop->isPrivate()
? "\0" . $prop->getDeclaringClass()->getName() . "\0" . $prop->getName()
: $prop->getName();
}
$lazyPublicProperties = $this->getLazyLoadedPublicPropertiesNames($class);
$protectedProperties = array_diff($allProperties, $lazyPublicProperties);
foreach ($allProperties as &$property) {
$property = var_export($property, true);
}
foreach ($protectedProperties as &$property) {
$property = var_export($property, true);
}
$allProperties = implode(', ', $allProperties);
$protectedProperties = implode(', ', $protectedProperties);
return $sleepImpl . <<<EOT
if (\$this->__isInitialized__) {
return [$allProperties];
}
return [$protectedProperties];
}
EOT;
}
/**
* Generates implementation for the `__wakeup` method of proxies.
*
* @return string
*/
private function generateWakeupImpl(ClassMetadata $class)
{
$reflectionClass = $class->getReflectionClass();
$hasParentWakeup = $reflectionClass->hasMethod('__wakeup');
$unsetPublicProperties = [];
foreach ($this->getLazyLoadedPublicPropertiesNames($class) as $lazyPublicProperty) {
$unsetPublicProperties[] = '$this->' . $lazyPublicProperty;
}
$shortName = $this->generateProxyShortClassName($class);
$inheritDoc = $hasParentWakeup ? '{@inheritDoc}' : '';
$returnTypeHint = $hasParentWakeup ? $this->getMethodReturnType($reflectionClass->getMethod('__wakeup')) : '';
$wakeupImpl = <<<EOT
/**
* $inheritDoc
*/
public function __wakeup()$returnTypeHint
{
if ( ! \$this->__isInitialized__) {
\$this->__initializer__ = function ($shortName \$proxy) {
\$proxy->__setInitializer(null);
\$proxy->__setCloner(null);
\$existingProperties = get_object_vars(\$proxy);
foreach (\$proxy::\$lazyPropertiesDefaults as \$property => \$defaultValue) {
if ( ! array_key_exists(\$property, \$existingProperties)) {
\$proxy->\$property = \$defaultValue;
}
}
};
EOT;
if (! empty($unsetPublicProperties)) {
$wakeupImpl .= "\n unset(" . implode(', ', $unsetPublicProperties) . ');';
}
$wakeupImpl .= "\n }";
if ($hasParentWakeup) {
$wakeupImpl .= "\n parent::__wakeup();";
}
$wakeupImpl .= "\n }";
return $wakeupImpl;
}
/**
* Generates implementation for the `__clone` method of proxies.
*
* @return string
*/
private function generateCloneImpl(ClassMetadata $class)
{
$reflectionClass = $class->getReflectionClass();
$hasParentClone = $reflectionClass->hasMethod('__clone');
$returnTypeHint = $hasParentClone ? $this->getMethodReturnType($reflectionClass->getMethod('__clone')) : '';
$inheritDoc = $hasParentClone ? '{@inheritDoc}' : '';
$callParentClone = $hasParentClone ? "\n parent::__clone();\n" : '';
return <<<EOT
/**
* $inheritDoc
*/
public function __clone()$returnTypeHint
{
\$this->__cloner__ && \$this->__cloner__->__invoke(\$this, '__clone', []);
$callParentClone }
EOT;
}
/**
* Generates decorated methods by picking those available in the parent class.
*
* @return string
*/
private function generateMethods(ClassMetadata $class)
{
$methods = '';
$methodNames = [];
$reflectionMethods = $class->getReflectionClass()->getMethods(ReflectionMethod::IS_PUBLIC);
$skippedMethods = [
'__sleep' => true,
'__clone' => true,
'__wakeup' => true,
'__get' => true,
'__set' => true,
'__isset' => true,
];
foreach ($reflectionMethods as $method) {
$name = $method->getName();
if (
$method->isConstructor() ||
isset($skippedMethods[strtolower($name)]) ||
isset($methodNames[$name]) ||
$method->isFinal() ||
$method->isStatic() ||
( ! $method->isPublic())
) {
continue;
}
$methodNames[$name] = true;
$methods .= "\n /**\n"
. " * {@inheritDoc}\n"
. " */\n"
. ' public function ';
if ($method->returnsReference()) {
$methods .= '&';
}
$methods .= $name . '(' . $this->buildParametersString($method->getParameters()) . ')';
$methods .= $this->getMethodReturnType($method);
$methods .= "\n" . ' {' . "\n";
if ($this->isShortIdentifierGetter($method, $class)) {
$identifier = lcfirst(substr($name, 3));
$fieldType = $class->getTypeOfField($identifier);
$cast = in_array($fieldType, ['integer', 'smallint']) ? '(int) ' : '';
$methods .= ' if ($this->__isInitialized__ === false) {' . "\n";
$methods .= ' ';
$methods .= $this->shouldProxiedMethodReturn($method) ? 'return ' : '';
$methods .= $cast . ' parent::' . $method->getName() . "();\n";
$methods .= ' }' . "\n\n";
}
$invokeParamsString = implode(', ', $this->getParameterNamesForInvoke($method->getParameters()));
$callParamsString = implode(', ', $this->getParameterNamesForParentCall($method->getParameters()));
$methods .= "\n \$this->__initializer__ "
. '&& $this->__initializer__->__invoke($this, ' . var_export($name, true)
. ', [' . $invokeParamsString . ']);'
. "\n\n "
. ($this->shouldProxiedMethodReturn($method) ? 'return ' : '')
. 'parent::' . $name . '(' . $callParamsString . ');'
. "\n" . ' }' . "\n";
}
return $methods;
}
/**
* Generates the Proxy file name.
*
* @param string $className
* @param string $baseDirectory Optional base directory for proxy file name generation.
* If not specified, the directory configured on the Configuration of the
* EntityManager will be used by this factory.
* @psalm-param class-string $className
*
* @return string
*/
public function getProxyFileName($className, $baseDirectory = null)
{
$baseDirectory = $baseDirectory ?: $this->proxyDirectory;
return rtrim($baseDirectory, DIRECTORY_SEPARATOR) . DIRECTORY_SEPARATOR . Proxy::MARKER
. str_replace('\\', '', $className) . '.php';
}
/**
* Checks if the method is a short identifier getter.
*
* What does this mean? For proxy objects the identifier is already known,
* however accessing the getter for this identifier usually triggers the
* lazy loading, leading to a query that may not be necessary if only the
* ID is interesting for the userland code (for example in views that
* generate links to the entity, but do not display anything else).
*
* @param ReflectionMethod $method
*
* @return bool
*/
private function isShortIdentifierGetter($method, ClassMetadata $class)
{
$identifier = lcfirst(substr($method->getName(), 3));
$startLine = $method->getStartLine();
$endLine = $method->getEndLine();
$cheapCheck = $method->getNumberOfParameters() === 0
&& substr($method->getName(), 0, 3) === 'get'
&& in_array($identifier, $class->getIdentifier(), true)
&& $class->hasField($identifier)
&& ($endLine - $startLine <= 4);
if ($cheapCheck) {
$code = file($method->getFileName());
$code = trim(implode(' ', array_slice($code, $startLine - 1, $endLine - $startLine + 1)));
$pattern = sprintf(self::PATTERN_MATCH_ID_METHOD, $method->getName(), $identifier);
if (preg_match($pattern, $code)) {
return true;
}
}
return false;
}
/**
* Generates the list of public properties to be lazy loaded.
*
* @return array<int, string>
*/
private function getLazyLoadedPublicPropertiesNames(ClassMetadata $class): array
{
$properties = [];
foreach ($class->getReflectionClass()->getProperties(ReflectionProperty::IS_PUBLIC) as $property) {
$name = $property->getName();
if ((! $class->hasField($name) && ! $class->hasAssociation($name)) || $class->isIdentifier($name)) {
continue;
}
$properties[] = $name;
}
return $properties;
}
/**
* Generates the list of default values of public properties.
*
* @return mixed[]
*/
private function getLazyLoadedPublicProperties(ClassMetadata $class)
{
$defaultProperties = $class->getReflectionClass()->getDefaultProperties();
$lazyLoadedPublicProperties = $this->getLazyLoadedPublicPropertiesNames($class);
$defaultValues = [];
foreach ($class->getReflectionClass()->getProperties(ReflectionProperty::IS_PUBLIC) as $property) {
$name = $property->getName();
if (! in_array($name, $lazyLoadedPublicProperties, true)) {
continue;
}
if (array_key_exists($name, $defaultProperties)) {
$defaultValues[$name] = $defaultProperties[$name];
} elseif (method_exists($property, 'getType')) {
$propertyType = $property->getType();
if ($propertyType !== null && $propertyType->allowsNull()) {
$defaultValues[$name] = null;
}
}
}
return $defaultValues;
}
/**
* @param ReflectionParameter[] $parameters
* @param string[] $renameParameters
*
* @return string
*/
private function buildParametersString(array $parameters, array $renameParameters = [])
{
$parameterDefinitions = [];
$i = -1;
foreach ($parameters as $param) {
assert($param instanceof ReflectionParameter);
$i++;
$parameterDefinition = '';
$parameterType = $this->getParameterType($param);
if ($parameterType !== null) {
$parameterDefinition .= $parameterType . ' ';
}
if ($param->isPassedByReference()) {
$parameterDefinition .= '&';
}
if ($param->isVariadic()) {
$parameterDefinition .= '...';
}
$parameterDefinition .= '$' . ($renameParameters ? $renameParameters[$i] : $param->getName());
$parameterDefinition .= $this->getParameterDefaultValue($param);
$parameterDefinitions[] = $parameterDefinition;
}
return implode(', ', $parameterDefinitions);
}
/** @return string|null */
private function getParameterType(ReflectionParameter $parameter)
{
if (! $parameter->hasType()) {
return null;
}
$declaringFunction = $parameter->getDeclaringFunction();
assert($declaringFunction instanceof ReflectionMethod);
return $this->formatType($parameter->getType(), $declaringFunction, $parameter);
}
/** @return string */
private function getParameterDefaultValue(ReflectionParameter $parameter)
{
if (! $parameter->isDefaultValueAvailable()) {
return '';
}
if (PHP_VERSION_ID < 80100 || is_scalar($parameter->getDefaultValue())) {
return ' = ' . var_export($parameter->getDefaultValue(), true);
}
$value = rtrim(substr(explode('$' . $parameter->getName() . ' = ', (string) $parameter, 2)[1], 0, -2));
if (strpos($value, '\\') !== false || strpos($value, '::') !== false) {
$value = preg_split("/('(?:[^'\\\\]*+(?:\\\\.)*+)*+')/", $value, -1, PREG_SPLIT_DELIM_CAPTURE);
foreach ($value as $i => $part) {
if ($i % 2 === 0) {
$value[$i] = preg_replace('/(?<![a-zA-Z0-9_\x7f-\xff\\\\])[a-zA-Z0-9_\x7f-\xff]++(?:\\\\[a-zA-Z0-9_\x7f-\xff]++|::)++/', '\\\\\0', $part);
}
}
$value = implode('', $value);
}
return ' = ' . $value;
}
/**
* @param ReflectionParameter[] $parameters
*
* @return string[]
*/
private function getParameterNamesForInvoke(array $parameters)
{
return array_map(
static function (ReflectionParameter $parameter) {
return '$' . $parameter->getName();
},
$parameters
);
}
/**
* @param ReflectionParameter[] $parameters
*
* @return string[]
*/
private function getParameterNamesForParentCall(array $parameters)
{
return array_map(
static function (ReflectionParameter $parameter) {
$name = '';
if ($parameter->isVariadic()) {
$name .= '...';
}
$name .= '$' . $parameter->getName();
return $name;
},
$parameters
);
}
/** @return string */
private function getMethodReturnType(ReflectionMethod $method)
{
if (! $method->hasReturnType()) {
return '';
}
return ': ' . $this->formatType($method->getReturnType(), $method);
}
/** @return bool */
private function shouldProxiedMethodReturn(ReflectionMethod $method)
{
if (! $method->hasReturnType()) {
return true;
}
return ! in_array(
strtolower($this->formatType($method->getReturnType(), $method)),
['void', 'never'],
true
);
}
/** @return string */
private function formatType(
ReflectionType $type,
ReflectionMethod $method,
?ReflectionParameter $parameter = null
) {
if ($type instanceof ReflectionUnionType) {
return implode('|', array_map(
function (ReflectionType $unionedType) use ($method, $parameter) {
if ($unionedType instanceof ReflectionIntersectionType) {
return '(' . $this->formatType($unionedType, $method, $parameter) . ')';
}
return $this->formatType($unionedType, $method, $parameter);
},
$type->getTypes()
));
}
if ($type instanceof ReflectionIntersectionType) {
return implode('&', array_map(
function (ReflectionType $intersectedType) use ($method, $parameter) {
return $this->formatType($intersectedType, $method, $parameter);
},
$type->getTypes()
));
}
assert($type instanceof ReflectionNamedType);
$name = $type->getName();
$nameLower = strtolower($name);
if ($nameLower === 'static') {
$name = 'static';
}
if ($nameLower === 'self') {
$name = $method->getDeclaringClass()->getName();
}
if ($nameLower === 'parent') {
$name = $method->getDeclaringClass()->getParentClass()->getName();
}
if (! $type->isBuiltin() && ! class_exists($name) && ! interface_exists($name) && $name !== 'static') {
if ($parameter !== null) {
throw UnexpectedValueException::invalidParameterTypeHint(
$method->getDeclaringClass()->getName(),
$method->getName(),
$parameter->getName()
);
}
throw UnexpectedValueException::invalidReturnTypeHint(
$method->getDeclaringClass()->getName(),
$method->getName()
);
}
if (! $type->isBuiltin() && $name !== 'static') {
$name = '\\' . $name;
}
if (
$type->allowsNull()
&& ! in_array($name, ['mixed', 'null'], true)
&& ($parameter === null || ! $parameter->isDefaultValueAvailable() || $parameter->getDefaultValue() !== null)
) {
$name = '?' . $name;
}
return $name;
}
}
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