/
PhpDumper.php
1937 lines (1645 loc) · 68.8 KB
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PhpDumper.php
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<?php
/*
* This file is part of the Symfony package.
*
* (c) Fabien Potencier <fabien@symfony.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Symfony\Component\DependencyInjection\Dumper;
use Symfony\Component\DependencyInjection\Argument\ArgumentInterface;
use Symfony\Component\DependencyInjection\Argument\IteratorArgument;
use Symfony\Component\DependencyInjection\Argument\ServiceClosureArgument;
use Symfony\Component\DependencyInjection\Variable;
use Symfony\Component\DependencyInjection\Definition;
use Symfony\Component\DependencyInjection\ContainerBuilder;
use Symfony\Component\DependencyInjection\Container;
use Symfony\Component\DependencyInjection\ContainerInterface;
use Symfony\Component\DependencyInjection\Reference;
use Symfony\Component\DependencyInjection\TypedReference;
use Symfony\Component\DependencyInjection\Parameter;
use Symfony\Component\DependencyInjection\Exception\EnvParameterException;
use Symfony\Component\DependencyInjection\Exception\InvalidArgumentException;
use Symfony\Component\DependencyInjection\Exception\RuntimeException;
use Symfony\Component\DependencyInjection\Exception\ServiceCircularReferenceException;
use Symfony\Component\DependencyInjection\LazyProxy\PhpDumper\DumperInterface as ProxyDumper;
use Symfony\Component\DependencyInjection\LazyProxy\PhpDumper\NullDumper;
use Symfony\Component\DependencyInjection\ExpressionLanguage;
use Symfony\Component\ExpressionLanguage\Expression;
use Symfony\Component\HttpKernel\Kernel;
/**
* PhpDumper dumps a service container as a PHP class.
*
* @author Fabien Potencier <fabien@symfony.com>
* @author Johannes M. Schmitt <schmittjoh@gmail.com>
*/
class PhpDumper extends Dumper
{
/**
* Characters that might appear in the generated variable name as first character.
*
* @var string
*/
const FIRST_CHARS = 'abcdefghijklmnopqrstuvwxyz';
/**
* Characters that might appear in the generated variable name as any but the first character.
*
* @var string
*/
const NON_FIRST_CHARS = 'abcdefghijklmnopqrstuvwxyz0123456789_';
private $inlinedDefinitions;
private $definitionVariables;
private $referenceVariables;
private $variableCount;
private $reservedVariables = array('instance', 'class');
private $expressionLanguage;
private $targetDirRegex;
private $targetDirMaxMatches;
private $docStar;
private $serviceIdToMethodNameMap;
private $usedMethodNames;
private $namespace;
private $asFiles;
/**
* @var \Symfony\Component\DependencyInjection\LazyProxy\PhpDumper\DumperInterface
*/
private $proxyDumper;
/**
* {@inheritdoc}
*/
public function __construct(ContainerBuilder $container)
{
if (!$container->isCompiled()) {
@trigger_error('Dumping an uncompiled ContainerBuilder is deprecated since version 3.3 and will not be supported anymore in 4.0. Compile the container beforehand.', E_USER_DEPRECATED);
}
parent::__construct($container);
$this->inlinedDefinitions = new \SplObjectStorage();
}
/**
* Sets the dumper to be used when dumping proxies in the generated container.
*
* @param ProxyDumper $proxyDumper
*/
public function setProxyDumper(ProxyDumper $proxyDumper)
{
$this->proxyDumper = $proxyDumper;
}
/**
* Dumps the service container as a PHP class.
*
* Available options:
*
* * class: The class name
* * base_class: The base class name
* * namespace: The class namespace
* * as_files: To split the container in several files
*
* @param array $options An array of options
*
* @return string|array A PHP class representing the service container or an array of PHP files if the "as_files" option is set
*
* @throws EnvParameterException When an env var exists but has not been dumped
*/
public function dump(array $options = array())
{
$this->targetDirRegex = null;
$options = array_merge(array(
'class' => 'ProjectServiceContainer',
'base_class' => 'Container',
'namespace' => '',
'as_files' => false,
'debug' => true,
), $options);
$this->namespace = $options['namespace'];
$this->asFiles = $options['as_files'];
$this->initializeMethodNamesMap($options['base_class']);
$this->docStar = $options['debug'] ? '*' : '';
if (!empty($options['file']) && is_dir($dir = dirname($options['file']))) {
// Build a regexp where the first root dirs are mandatory,
// but every other sub-dir is optional up to the full path in $dir
// Mandate at least 2 root dirs and not more that 5 optional dirs.
$dir = explode(DIRECTORY_SEPARATOR, realpath($dir));
$i = count($dir);
if (3 <= $i) {
$regex = '';
$lastOptionalDir = $i > 8 ? $i - 5 : 3;
$this->targetDirMaxMatches = $i - $lastOptionalDir;
while (--$i >= $lastOptionalDir) {
$regex = sprintf('(%s%s)?', preg_quote(DIRECTORY_SEPARATOR.$dir[$i], '#'), $regex);
}
do {
$regex = preg_quote(DIRECTORY_SEPARATOR.$dir[$i], '#').$regex;
} while (0 < --$i);
$this->targetDirRegex = '#'.preg_quote($dir[0], '#').$regex.'#';
}
}
$code =
$this->startClass($options['class'], $options['base_class']).
$this->addServices().
$this->addDefaultParametersMethod().
$this->endClass()
;
if ($this->asFiles) {
$fileStart = <<<EOF
<?php
use Symfony\Component\DependencyInjection\Argument\RewindableGenerator;
// This file has been auto-generated by the Symfony Dependency Injection Component for internal use.
EOF;
$files = array();
if ($ids = array_keys($this->container->getRemovedIds())) {
sort($ids);
$c = "<?php\n\nreturn array(\n";
foreach ($ids as $id) {
$c .= ' '.$this->export($id)." => true,\n";
}
$files['removed-ids.php'] = $c .= ");\n";
}
foreach ($this->generateServiceFiles() as $file => $c) {
$files[$file] = $fileStart.$c;
}
foreach ($this->generateProxyClasses() as $file => $c) {
$files[$file] = "<?php\n".$c;
}
$files['Container.php'] = $code;
$hash = ucfirst(strtr(ContainerBuilder::hash($files), '._', 'xx'));
$code = array();
foreach ($files as $file => $c) {
$code["Container{$hash}/{$file}"] = $c;
}
array_pop($code);
$code["Container{$hash}/Container.php"] = implode("\nclass Container{$hash}", explode("\nclass {$options['class']}", $files['Container.php'], 2));
$namespaceLine = $this->namespace ? "\nnamespace {$this->namespace};\n" : '';
$code[$options['class'].'.php'] = <<<EOF
<?php
{$namespaceLine}
// This file has been auto-generated by the Symfony Dependency Injection Component for internal use.
if (!class_exists(Container{$hash}::class, false)) {
require __DIR__.'/Container{$hash}/Container.php';
}
if (!class_exists({$options['class']}::class, false)) {
class_alias(Container{$hash}::class, {$options['class']}::class, false);
}
return new Container{$hash}();
EOF;
} else {
foreach ($this->generateProxyClasses() as $c) {
$code .= $c;
}
}
$this->targetDirRegex = null;
$unusedEnvs = array();
foreach ($this->container->getEnvCounters() as $env => $use) {
if (!$use) {
$unusedEnvs[] = $env;
}
}
if ($unusedEnvs) {
throw new EnvParameterException($unusedEnvs, null, 'Environment variables "%s" are never used. Please, check your container\'s configuration.');
}
return $code;
}
/**
* Retrieves the currently set proxy dumper or instantiates one.
*
* @return ProxyDumper
*/
private function getProxyDumper()
{
if (!$this->proxyDumper) {
$this->proxyDumper = new NullDumper();
}
return $this->proxyDumper;
}
/**
* Generates Service local temp variables.
*
* @param string $cId
* @param Definition $definition
* @param array $inlinedDefinitions
*
* @return string
*/
private function addServiceLocalTempVariables($cId, Definition $definition, array $inlinedDefinitions)
{
static $template = " \$%s = %s;\n";
array_unshift($inlinedDefinitions, $definition);
$calls = $behavior = array();
foreach ($inlinedDefinitions as $iDefinition) {
$this->getServiceCallsFromArguments($iDefinition->getArguments(), $calls, $behavior);
$this->getServiceCallsFromArguments($iDefinition->getMethodCalls(), $calls, $behavior);
$this->getServiceCallsFromArguments($iDefinition->getProperties(), $calls, $behavior);
$this->getServiceCallsFromArguments(array($iDefinition->getConfigurator()), $calls, $behavior);
$this->getServiceCallsFromArguments(array($iDefinition->getFactory()), $calls, $behavior);
}
$code = '';
foreach ($calls as $id => $callCount) {
if ('service_container' === $id || $id === $cId) {
continue;
}
if ($callCount > 1) {
$name = $this->getNextVariableName();
$this->referenceVariables[$id] = new Variable($name);
if (ContainerInterface::EXCEPTION_ON_INVALID_REFERENCE === $behavior[$id]) {
$code .= sprintf($template, $name, $this->getServiceCall($id));
} else {
$code .= sprintf($template, $name, $this->getServiceCall($id, new Reference($id, $behavior[$id])));
}
}
}
if ('' !== $code) {
$code .= "\n";
}
return $code;
}
/**
* Generates code for the proxies.
*
* @return string
*/
private function generateProxyClasses()
{
$definitions = $this->container->getDefinitions();
$strip = '' === $this->docStar && method_exists('Symfony\Component\HttpKernel\Kernel', 'stripComments');
$proxyDumper = $this->getProxyDumper();
ksort($definitions);
foreach ($definitions as $definition) {
if (!$proxyDumper->isProxyCandidate($definition)) {
continue;
}
$proxyCode = "\n".$proxyDumper->getProxyCode($definition);
if ($strip) {
$proxyCode = "<?php\n".$proxyCode;
$proxyCode = substr(Kernel::stripComments($proxyCode), 5);
}
yield sprintf('%s.php', explode(' ', $proxyCode, 3)[1]) => $proxyCode;
}
}
/**
* Generates the require_once statement for service includes.
*
* @param Definition $definition
* @param array $inlinedDefinitions
*
* @return string
*/
private function addServiceInclude(Definition $definition, array $inlinedDefinitions)
{
$template = " require_once %s;\n";
$code = '';
if (null !== $file = $definition->getFile()) {
$code .= sprintf($template, $this->dumpValue($file));
}
foreach ($inlinedDefinitions as $definition) {
if (null !== $file = $definition->getFile()) {
$code .= sprintf($template, $this->dumpValue($file));
}
}
if ('' !== $code) {
$code .= "\n";
}
return $code;
}
/**
* Generates the inline definition of a service.
*
* @param string $id
* @param array $inlinedDefinitions
*
* @return string
*
* @throws RuntimeException When the factory definition is incomplete
* @throws ServiceCircularReferenceException When a circular reference is detected
*/
private function addServiceInlinedDefinitions($id, array $inlinedDefinitions)
{
$code = '';
$variableMap = $this->definitionVariables;
$nbOccurrences = new \SplObjectStorage();
$processed = new \SplObjectStorage();
foreach ($inlinedDefinitions as $definition) {
if (false === $nbOccurrences->contains($definition)) {
$nbOccurrences->offsetSet($definition, 1);
} else {
$i = $nbOccurrences->offsetGet($definition);
$nbOccurrences->offsetSet($definition, $i + 1);
}
}
foreach ($inlinedDefinitions as $sDefinition) {
if ($processed->contains($sDefinition)) {
continue;
}
$processed->offsetSet($sDefinition);
$class = $this->dumpValue($sDefinition->getClass());
if ($nbOccurrences->offsetGet($sDefinition) > 1 || $sDefinition->getMethodCalls() || $sDefinition->getProperties() || null !== $sDefinition->getConfigurator() || false !== strpos($class, '$')) {
$name = $this->getNextVariableName();
$variableMap->offsetSet($sDefinition, new Variable($name));
// a construct like:
// $a = new ServiceA(ServiceB $b); $b = new ServiceB(ServiceA $a);
// this is an indication for a wrong implementation, you can circumvent this problem
// by setting up your service structure like this:
// $b = new ServiceB();
// $a = new ServiceA(ServiceB $b);
// $b->setServiceA(ServiceA $a);
if ($this->hasReference($id, $sDefinition->getArguments())) {
throw new ServiceCircularReferenceException($id, array($id));
}
$code .= $this->addNewInstance($sDefinition, '$'.$name, ' = ', $id);
if (!$this->hasReference($id, $sDefinition->getMethodCalls(), true) && !$this->hasReference($id, $sDefinition->getProperties(), true)) {
$code .= $this->addServiceProperties($sDefinition, $name);
$code .= $this->addServiceMethodCalls($sDefinition, $name);
$code .= $this->addServiceConfigurator($sDefinition, $name);
}
$code .= "\n";
}
}
return $code;
}
/**
* Generates the service instance.
*
* @param string $id
* @param Definition $definition
* @param bool $isSimpleInstance
*
* @return string
*
* @throws InvalidArgumentException
* @throws RuntimeException
*/
private function addServiceInstance($id, Definition $definition, $isSimpleInstance)
{
$class = $this->dumpValue($definition->getClass());
if (0 === strpos($class, "'") && false === strpos($class, '$') && !preg_match('/^\'(?:\\\{2})?[a-zA-Z_\x7f-\xff][a-zA-Z0-9_\x7f-\xff]*(?:\\\{2}[a-zA-Z_\x7f-\xff][a-zA-Z0-9_\x7f-\xff]*)*\'$/', $class)) {
throw new InvalidArgumentException(sprintf('"%s" is not a valid class name for the "%s" service.', $class, $id));
}
$isProxyCandidate = $this->getProxyDumper()->isProxyCandidate($definition);
$instantiation = '';
if (!$isProxyCandidate && $definition->isShared()) {
$instantiation = "\$this->services['$id'] = ".($isSimpleInstance ? '' : '$instance');
} elseif (!$isSimpleInstance) {
$instantiation = '$instance';
}
$return = '';
if ($isSimpleInstance) {
$return = 'return ';
} else {
$instantiation .= ' = ';
}
$code = $this->addNewInstance($definition, $return, $instantiation, $id);
if (!$isSimpleInstance) {
$code .= "\n";
}
return $code;
}
/**
* Checks if the definition is a simple instance.
*
* @param string $id
* @param Definition $definition
*
* @return bool
*/
private function isSimpleInstance($id, Definition $definition)
{
foreach (array_merge(array($definition), $this->getInlinedDefinitions($definition)) as $sDefinition) {
if ($definition !== $sDefinition && !$this->hasReference($id, $sDefinition->getMethodCalls())) {
continue;
}
if ($sDefinition->getMethodCalls() || $sDefinition->getProperties() || $sDefinition->getConfigurator()) {
return false;
}
}
return true;
}
/**
* Checks if the definition is a trivial instance.
*
* @param Definition $definition
*
* @return bool
*/
private function isTrivialInstance(Definition $definition)
{
if ($definition->isSynthetic() || $definition->getFile() || $definition->getMethodCalls() || $definition->getProperties() || $definition->getConfigurator()) {
return false;
}
if ($definition->isDeprecated() || $definition->isLazy() || $definition->getFactory() || 3 < count($definition->getArguments())) {
return false;
}
foreach ($definition->getArguments() as $arg) {
if (!$arg || ($arg instanceof Reference && 'service_container' !== (string) $arg)) {
continue;
}
if (is_array($arg) && 3 >= count($arg)) {
foreach ($arg as $k => $v) {
if ($this->dumpValue($k) !== $this->dumpValue($k, false)) {
return false;
}
if (!$v || ($v instanceof Reference && 'service_container' !== (string) $v)) {
continue;
}
if (!is_scalar($v) || $this->dumpValue($v) !== $this->dumpValue($v, false)) {
return false;
}
}
} elseif (!is_scalar($arg) || $this->dumpValue($arg) !== $this->dumpValue($arg, false)) {
return false;
}
}
if (false !== strpos($this->dumpLiteralClass($this->dumpValue($definition->getClass())), '$')) {
return false;
}
return true;
}
/**
* Adds method calls to a service definition.
*
* @param Definition $definition
* @param string $variableName
*
* @return string
*/
private function addServiceMethodCalls(Definition $definition, $variableName = 'instance')
{
$calls = '';
foreach ($definition->getMethodCalls() as $call) {
$arguments = array();
foreach ($call[1] as $value) {
$arguments[] = $this->dumpValue($value);
}
$calls .= $this->wrapServiceConditionals($call[1], sprintf(" \$%s->%s(%s);\n", $variableName, $call[0], implode(', ', $arguments)));
}
return $calls;
}
private function addServiceProperties(Definition $definition, $variableName = 'instance')
{
$code = '';
foreach ($definition->getProperties() as $name => $value) {
$code .= sprintf(" \$%s->%s = %s;\n", $variableName, $name, $this->dumpValue($value));
}
return $code;
}
/**
* Generates the inline definition setup.
*
* @param string $id
* @param array $inlinedDefinitions
* @param bool $isSimpleInstance
*
* @return string
*
* @throws ServiceCircularReferenceException when the container contains a circular reference
*/
private function addServiceInlinedDefinitionsSetup($id, array $inlinedDefinitions, $isSimpleInstance)
{
$this->referenceVariables[$id] = new Variable('instance');
$code = '';
$processed = new \SplObjectStorage();
foreach ($inlinedDefinitions as $iDefinition) {
if ($processed->contains($iDefinition)) {
continue;
}
$processed->offsetSet($iDefinition);
if (!$this->hasReference($id, $iDefinition->getMethodCalls(), true) && !$this->hasReference($id, $iDefinition->getProperties(), true)) {
continue;
}
// if the instance is simple, the return statement has already been generated
// so, the only possible way to get there is because of a circular reference
if ($isSimpleInstance) {
throw new ServiceCircularReferenceException($id, array($id));
}
$name = (string) $this->definitionVariables->offsetGet($iDefinition);
$code .= $this->addServiceProperties($iDefinition, $name);
$code .= $this->addServiceMethodCalls($iDefinition, $name);
$code .= $this->addServiceConfigurator($iDefinition, $name);
}
if ('' !== $code) {
$code .= "\n";
}
return $code;
}
/**
* Adds configurator definition.
*
* @param Definition $definition
* @param string $variableName
*
* @return string
*/
private function addServiceConfigurator(Definition $definition, $variableName = 'instance')
{
if (!$callable = $definition->getConfigurator()) {
return '';
}
if (is_array($callable)) {
if ($callable[0] instanceof Reference
|| ($callable[0] instanceof Definition && $this->definitionVariables->contains($callable[0]))) {
return sprintf(" %s->%s(\$%s);\n", $this->dumpValue($callable[0]), $callable[1], $variableName);
}
$class = $this->dumpValue($callable[0]);
// If the class is a string we can optimize call_user_func away
if (0 === strpos($class, "'") && false === strpos($class, '$')) {
return sprintf(" %s::%s(\$%s);\n", $this->dumpLiteralClass($class), $callable[1], $variableName);
}
if (0 === strpos($class, 'new ')) {
return sprintf(" (%s)->%s(\$%s);\n", $this->dumpValue($callable[0]), $callable[1], $variableName);
}
return sprintf(" call_user_func(array(%s, '%s'), \$%s);\n", $this->dumpValue($callable[0]), $callable[1], $variableName);
}
return sprintf(" %s(\$%s);\n", $callable, $variableName);
}
/**
* Adds a service.
*
* @param string $id
* @param Definition $definition
* @param string &$file
*
* @return string
*/
private function addService($id, Definition $definition, &$file = null)
{
$this->definitionVariables = new \SplObjectStorage();
$this->referenceVariables = array();
$this->variableCount = 0;
$return = array();
if ($class = $definition->getClass()) {
$class = $this->container->resolveEnvPlaceholders($class);
$return[] = sprintf(0 === strpos($class, '%') ? '@return object A %1$s instance' : '@return \%s', ltrim($class, '\\'));
} elseif ($definition->getFactory()) {
$factory = $definition->getFactory();
if (is_string($factory)) {
$return[] = sprintf('@return object An instance returned by %s()', $factory);
} elseif (is_array($factory) && (is_string($factory[0]) || $factory[0] instanceof Definition || $factory[0] instanceof Reference)) {
if (is_string($factory[0]) || $factory[0] instanceof Reference) {
$return[] = sprintf('@return object An instance returned by %s::%s()', (string) $factory[0], $factory[1]);
} elseif ($factory[0] instanceof Definition) {
$return[] = sprintf('@return object An instance returned by %s::%s()', $factory[0]->getClass(), $factory[1]);
}
}
}
if ($definition->isDeprecated()) {
if ($return && 0 === strpos($return[count($return) - 1], '@return')) {
$return[] = '';
}
$return[] = sprintf('@deprecated %s', $definition->getDeprecationMessage($id));
}
$return = str_replace("\n * \n", "\n *\n", implode("\n * ", $return));
$return = $this->container->resolveEnvPlaceholders($return);
$shared = $definition->isShared() ? ' shared' : '';
$public = $definition->isPublic() ? 'public' : 'private';
$autowired = $definition->isAutowired() ? ' autowired' : '';
if ($definition->isLazy()) {
$lazyInitialization = '$lazyLoad = true';
} else {
$lazyInitialization = '';
}
$asFile = $this->asFiles && $definition->isShared();
$methodName = $this->generateMethodName($id);
if ($asFile) {
$file = $methodName.'.php';
$code = " // Returns the $public '$id'$shared$autowired service.\n\n";
} else {
$code = <<<EOF
/*{$this->docStar}
* Gets the $public '$id'$shared$autowired service.
*
* $return
*/
protected function {$methodName}($lazyInitialization)
{
EOF;
}
if ($this->getProxyDumper()->isProxyCandidate($definition)) {
$factoryCode = $asFile ? "\$this->load(__DIR__.'/%s.php', false)" : '$this->%s(false)';
$code .= $this->getProxyDumper()->getProxyFactoryCode($definition, $id, sprintf($factoryCode, $methodName));
}
if ($definition->isDeprecated()) {
$code .= sprintf(" @trigger_error(%s, E_USER_DEPRECATED);\n\n", $this->export($definition->getDeprecationMessage($id)));
}
$inlinedDefinitions = $this->getInlinedDefinitions($definition);
$isSimpleInstance = $this->isSimpleInstance($id, $definition, $inlinedDefinitions);
$code .=
$this->addServiceInclude($definition, $inlinedDefinitions).
$this->addServiceLocalTempVariables($id, $definition, $inlinedDefinitions).
$this->addServiceInlinedDefinitions($id, $inlinedDefinitions).
$this->addServiceInstance($id, $definition, $isSimpleInstance).
$this->addServiceInlinedDefinitionsSetup($id, $inlinedDefinitions, $isSimpleInstance).
$this->addServiceProperties($definition).
$this->addServiceMethodCalls($definition).
$this->addServiceConfigurator($definition).
(!$isSimpleInstance ? "\n return \$instance;\n" : '')
;
if ($asFile) {
$code = implode("\n", array_map(function ($line) { return $line ? substr($line, 8) : $line; }, explode("\n", $code)));
} else {
$code .= " }\n";
}
$this->definitionVariables = null;
$this->referenceVariables = null;
return $code;
}
/**
* Adds multiple services.
*
* @return string
*/
private function addServices()
{
$publicServices = $privateServices = '';
$definitions = $this->container->getDefinitions();
ksort($definitions);
foreach ($definitions as $id => $definition) {
if ($definition->isSynthetic() || ($this->asFiles && $definition->isShared())) {
continue;
}
if ($definition->isPublic()) {
$publicServices .= $this->addService($id, $definition);
} else {
$privateServices .= $this->addService($id, $definition);
}
}
return $publicServices.$privateServices;
}
private function generateServiceFiles()
{
$definitions = $this->container->getDefinitions();
ksort($definitions);
foreach ($definitions as $id => $definition) {
if (!$definition->isSynthetic() && $definition->isShared()) {
$code = $this->addService($id, $definition, $file);
yield $file => $code;
}
}
}
private function addNewInstance(Definition $definition, $return, $instantiation, $id)
{
$class = $this->dumpValue($definition->getClass());
$arguments = array();
foreach ($definition->getArguments() as $value) {
$arguments[] = $this->dumpValue($value);
}
if (null !== $definition->getFactory()) {
$callable = $definition->getFactory();
if (is_array($callable)) {
if (!preg_match('/^[a-zA-Z_\x7f-\xff][a-zA-Z0-9_\x7f-\xff]*$/', $callable[1])) {
throw new RuntimeException(sprintf('Cannot dump definition because of invalid factory method (%s)', $callable[1] ?: 'n/a'));
}
if ($callable[0] instanceof Reference
|| ($callable[0] instanceof Definition && $this->definitionVariables->contains($callable[0]))) {
return sprintf(" $return{$instantiation}%s->%s(%s);\n", $this->dumpValue($callable[0]), $callable[1], $arguments ? implode(', ', $arguments) : '');
}
$class = $this->dumpValue($callable[0]);
// If the class is a string we can optimize call_user_func away
if (0 === strpos($class, "'") && false === strpos($class, '$')) {
if ("''" === $class) {
throw new RuntimeException(sprintf('Cannot dump definition: The "%s" service is defined to be created by a factory but is missing the service reference, did you forget to define the factory service id or class?', $id));
}
return sprintf(" $return{$instantiation}%s::%s(%s);\n", $this->dumpLiteralClass($class), $callable[1], $arguments ? implode(', ', $arguments) : '');
}
if (0 === strpos($class, 'new ')) {
return sprintf(" $return{$instantiation}(%s)->%s(%s);\n", $this->dumpValue($callable[0]), $callable[1], $arguments ? implode(', ', $arguments) : '');
}
return sprintf(" $return{$instantiation}call_user_func(array(%s, '%s')%s);\n", $this->dumpValue($callable[0]), $callable[1], $arguments ? ', '.implode(', ', $arguments) : '');
}
return sprintf(" $return{$instantiation}%s(%s);\n", $this->dumpLiteralClass($this->dumpValue($callable)), $arguments ? implode(', ', $arguments) : '');
}
if (false !== strpos($class, '$')) {
return sprintf(" \$class = %s;\n\n $return{$instantiation}new \$class(%s);\n", $class, implode(', ', $arguments));
}
return sprintf(" $return{$instantiation}new %s(%s);\n", $this->dumpLiteralClass($class), implode(', ', $arguments));
}
/**
* Adds the class headers.
*
* @param string $class Class name
* @param string $baseClass The name of the base class
*
* @return string
*/
private function startClass($class, $baseClass)
{
$bagClass = $this->container->isCompiled() ? 'use Symfony\Component\DependencyInjection\ParameterBag\FrozenParameterBag;' : 'use Symfony\Component\DependencyInjection\ParameterBag\\ParameterBag;';
$namespaceLine = $this->namespace ? "\nnamespace {$this->namespace};\n" : '';
$code = <<<EOF
<?php
$namespaceLine
use Symfony\Component\DependencyInjection\Argument\RewindableGenerator;
use Symfony\Component\DependencyInjection\ContainerInterface;
use Symfony\Component\DependencyInjection\Container;
use Symfony\Component\DependencyInjection\Exception\InvalidArgumentException;
use Symfony\Component\DependencyInjection\Exception\LogicException;
use Symfony\Component\DependencyInjection\Exception\RuntimeException;
$bagClass
/*{$this->docStar}
* This class has been auto-generated
* by the Symfony Dependency Injection Component.
*
* @final since Symfony 3.3
*/
class $class extends $baseClass
{
private \$parameters;
private \$targetDirs = array();
public function __construct()
{
EOF;
if (null !== $this->targetDirRegex) {
$dir = $this->asFiles ? '$this->targetDirs[0] = dirname(__DIR__)' : '__DIR__';
$code .= <<<EOF
\$dir = {$dir};
for (\$i = 1; \$i <= {$this->targetDirMaxMatches}; ++\$i) {
\$this->targetDirs[\$i] = \$dir = dirname(\$dir);
}
EOF;
}
if ($this->container->isCompiled()) {
if ($this->container->getParameterBag()->all()) {
$code .= " \$this->parameters = \$this->getDefaultParameters();\n\n";
}
$code .= " \$this->services = array();\n";
} else {
$arguments = $this->container->getParameterBag()->all() ? 'new ParameterBag($this->getDefaultParameters())' : null;
$code .= " parent::__construct($arguments);\n";
}
$code .= $this->addNormalizedIds();
$code .= $this->addSyntheticIds();
$code .= $this->addMethodMap();
$code .= $this->asFiles ? $this->addFileMap() : '';
$code .= $this->addPrivateServices();
$code .= $this->addAliases();
$code .= <<<'EOF'
}
EOF;
$code .= $this->addRemovedIds();
if ($this->container->isCompiled()) {
$code .= <<<EOF
public function compile()
{
throw new LogicException('You cannot compile a dumped container that was already compiled.');
}
public function isCompiled()
{
return true;
}
public function isFrozen()
{
@trigger_error(sprintf('The %s() method is deprecated since version 3.3 and will be removed in 4.0. Use the isCompiled() method instead.', __METHOD__), E_USER_DEPRECATED);
return true;
}
EOF;
}
if ($this->asFiles) {
$code .= <<<EOF
protected function load(\$file, \$lazyLoad = true)
{
return require \$file;
}
EOF;
}
$proxyDumper = $this->getProxyDumper();
foreach ($this->container->getDefinitions() as $definition) {
if (!$proxyDumper->isProxyCandidate($definition)) {
continue;
}
if ($this->asFiles) {
$proxyLoader = '$this->load(__DIR__."/{$class}.php")';
} elseif ($this->namespace) {
$proxyLoader = 'class_alias("'.$this->namespace.'\\\\{$class}", $class, false)';
} else {
$proxyLoader = '';
}
if ($proxyLoader) {
$proxyLoader = "class_exists(\$class, false) || {$proxyLoader};\n\n ";
}
$code .= <<<EOF
protected function createProxy(\$class, \Closure \$factory)
{
{$proxyLoader}return \$factory();
}
EOF;
break;
}
return $code;
}
/**
* Adds the normalizedIds property definition.
*
* @return string
*/
private function addNormalizedIds()
{
$code = '';
$normalizedIds = $this->container->getNormalizedIds();
ksort($normalizedIds);
foreach ($normalizedIds as $id => $normalizedId) {
if ($this->container->has($normalizedId)) {
$code .= ' '.$this->export($id).' => '.$this->export($normalizedId).",\n";
}
}
return $code ? " \$this->normalizedIds = array(\n".$code." );\n" : '';
}
/**
* Adds the syntheticIds definition.
*
* @return string
*/
private function addSyntheticIds()
{