Chris@0: <?php
Chris@0: 
Chris@0: /*
Chris@0:  * This file is part of the Symfony package.
Chris@0:  *
Chris@0:  * (c) Fabien Potencier <fabien@symfony.com>
Chris@0:  *
Chris@0:  * For the full copyright and license information, please view the LICENSE
Chris@0:  * file that was distributed with this source code.
Chris@0:  */
Chris@0: 
Chris@0: namespace Symfony\Component\DependencyInjection\Dumper;
Chris@0: 
Chris@0: use Symfony\Component\DependencyInjection\Variable;
Chris@0: use Symfony\Component\DependencyInjection\Definition;
Chris@0: use Symfony\Component\DependencyInjection\ContainerBuilder;
Chris@0: use Symfony\Component\DependencyInjection\Container;
Chris@0: use Symfony\Component\DependencyInjection\ContainerInterface;
Chris@0: use Symfony\Component\DependencyInjection\Reference;
Chris@0: use Symfony\Component\DependencyInjection\Parameter;
Chris@0: use Symfony\Component\DependencyInjection\Exception\EnvParameterException;
Chris@0: use Symfony\Component\DependencyInjection\Exception\InvalidArgumentException;
Chris@0: use Symfony\Component\DependencyInjection\Exception\RuntimeException;
Chris@0: use Symfony\Component\DependencyInjection\Exception\ServiceCircularReferenceException;
Chris@0: use Symfony\Component\DependencyInjection\LazyProxy\PhpDumper\DumperInterface as ProxyDumper;
Chris@0: use Symfony\Component\DependencyInjection\LazyProxy\PhpDumper\NullDumper;
Chris@0: use Symfony\Component\DependencyInjection\ExpressionLanguage;
Chris@0: use Symfony\Component\ExpressionLanguage\Expression;
Chris@0: use Symfony\Component\HttpKernel\Kernel;
Chris@0: 
Chris@0: /**
Chris@0:  * PhpDumper dumps a service container as a PHP class.
Chris@0:  *
Chris@0:  * @author Fabien Potencier <fabien@symfony.com>
Chris@0:  * @author Johannes M. Schmitt <schmittjoh@gmail.com>
Chris@0:  */
Chris@0: class PhpDumper extends Dumper
Chris@0: {
Chris@0:     /**
Chris@0:      * Characters that might appear in the generated variable name as first character.
Chris@0:      *
Chris@0:      * @var string
Chris@0:      */
Chris@0:     const FIRST_CHARS = 'abcdefghijklmnopqrstuvwxyz';
Chris@0: 
Chris@0:     /**
Chris@0:      * Characters that might appear in the generated variable name as any but the first character.
Chris@0:      *
Chris@0:      * @var string
Chris@0:      */
Chris@0:     const NON_FIRST_CHARS = 'abcdefghijklmnopqrstuvwxyz0123456789_';
Chris@0: 
Chris@0:     private $inlinedDefinitions;
Chris@0:     private $definitionVariables;
Chris@0:     private $referenceVariables;
Chris@0:     private $variableCount;
Chris@0:     private $reservedVariables = array('instance', 'class');
Chris@0:     private $expressionLanguage;
Chris@0:     private $targetDirRegex;
Chris@0:     private $targetDirMaxMatches;
Chris@0:     private $docStar;
Chris@0:     private $serviceIdToMethodNameMap;
Chris@0:     private $usedMethodNames;
Chris@0: 
Chris@0:     /**
Chris@0:      * @var \Symfony\Component\DependencyInjection\LazyProxy\PhpDumper\DumperInterface
Chris@0:      */
Chris@0:     private $proxyDumper;
Chris@0: 
Chris@0:     /**
Chris@0:      * {@inheritdoc}
Chris@0:      */
Chris@0:     public function __construct(ContainerBuilder $container)
Chris@0:     {
Chris@0:         parent::__construct($container);
Chris@0: 
Chris@0:         $this->inlinedDefinitions = new \SplObjectStorage();
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * Sets the dumper to be used when dumping proxies in the generated container.
Chris@0:      *
Chris@0:      * @param ProxyDumper $proxyDumper
Chris@0:      */
Chris@0:     public function setProxyDumper(ProxyDumper $proxyDumper)
Chris@0:     {
Chris@0:         $this->proxyDumper = $proxyDumper;
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * Dumps the service container as a PHP class.
Chris@0:      *
Chris@0:      * Available options:
Chris@0:      *
Chris@0:      *  * class:      The class name
Chris@0:      *  * base_class: The base class name
Chris@0:      *  * namespace:  The class namespace
Chris@0:      *
Chris@0:      * @param array $options An array of options
Chris@0:      *
Chris@0:      * @return string A PHP class representing of the service container
Chris@0:      *
Chris@0:      * @throws EnvParameterException When an env var exists but has not been dumped
Chris@0:      */
Chris@0:     public function dump(array $options = array())
Chris@0:     {
Chris@0:         $this->targetDirRegex = null;
Chris@0:         $options = array_merge(array(
Chris@0:             'class' => 'ProjectServiceContainer',
Chris@0:             'base_class' => 'Container',
Chris@0:             'namespace' => '',
Chris@0:             'debug' => true,
Chris@0:         ), $options);
Chris@0: 
Chris@0:         $this->initializeMethodNamesMap($options['base_class']);
Chris@0: 
Chris@0:         $this->docStar = $options['debug'] ? '*' : '';
Chris@0: 
Chris@0:         if (!empty($options['file']) && is_dir($dir = dirname($options['file']))) {
Chris@0:             // Build a regexp where the first root dirs are mandatory,
Chris@0:             // but every other sub-dir is optional up to the full path in $dir
Chris@0:             // Mandate at least 2 root dirs and not more that 5 optional dirs.
Chris@0: 
Chris@0:             $dir = explode(DIRECTORY_SEPARATOR, realpath($dir));
Chris@0:             $i = count($dir);
Chris@0: 
Chris@0:             if (3 <= $i) {
Chris@0:                 $regex = '';
Chris@0:                 $lastOptionalDir = $i > 8 ? $i - 5 : 3;
Chris@0:                 $this->targetDirMaxMatches = $i - $lastOptionalDir;
Chris@0: 
Chris@0:                 while (--$i >= $lastOptionalDir) {
Chris@0:                     $regex = sprintf('(%s%s)?', preg_quote(DIRECTORY_SEPARATOR.$dir[$i], '#'), $regex);
Chris@0:                 }
Chris@0: 
Chris@0:                 do {
Chris@0:                     $regex = preg_quote(DIRECTORY_SEPARATOR.$dir[$i], '#').$regex;
Chris@0:                 } while (0 < --$i);
Chris@0: 
Chris@0:                 $this->targetDirRegex = '#'.preg_quote($dir[0], '#').$regex.'#';
Chris@0:             }
Chris@0:         }
Chris@0: 
Chris@0:         $code = $this->startClass($options['class'], $options['base_class'], $options['namespace']);
Chris@0: 
Chris@0:         if ($this->container->isFrozen()) {
Chris@0:             $code .= $this->addFrozenConstructor();
Chris@0:             $code .= $this->addFrozenCompile();
Chris@0:             $code .= $this->addIsFrozenMethod();
Chris@0:         } else {
Chris@0:             $code .= $this->addConstructor();
Chris@0:         }
Chris@0: 
Chris@0:         $code .=
Chris@0:             $this->addServices().
Chris@0:             $this->addDefaultParametersMethod().
Chris@0:             $this->endClass().
Chris@0:             $this->addProxyClasses()
Chris@0:         ;
Chris@0:         $this->targetDirRegex = null;
Chris@0: 
Chris@0:         $unusedEnvs = array();
Chris@0:         foreach ($this->container->getEnvCounters() as $env => $use) {
Chris@0:             if (!$use) {
Chris@0:                 $unusedEnvs[] = $env;
Chris@0:             }
Chris@0:         }
Chris@0:         if ($unusedEnvs) {
Chris@0:             throw new EnvParameterException($unusedEnvs);
Chris@0:         }
Chris@0: 
Chris@0:         return $code;
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * Retrieves the currently set proxy dumper or instantiates one.
Chris@0:      *
Chris@0:      * @return ProxyDumper
Chris@0:      */
Chris@0:     private function getProxyDumper()
Chris@0:     {
Chris@0:         if (!$this->proxyDumper) {
Chris@0:             $this->proxyDumper = new NullDumper();
Chris@0:         }
Chris@0: 
Chris@0:         return $this->proxyDumper;
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * Generates Service local temp variables.
Chris@0:      *
Chris@0:      * @param string $cId
Chris@0:      * @param string $definition
Chris@0:      *
Chris@0:      * @return string
Chris@0:      */
Chris@0:     private function addServiceLocalTempVariables($cId, $definition)
Chris@0:     {
Chris@0:         static $template = "        \$%s = %s;\n";
Chris@0: 
Chris@0:         $localDefinitions = array_merge(
Chris@0:             array($definition),
Chris@0:             $this->getInlinedDefinitions($definition)
Chris@0:         );
Chris@0: 
Chris@0:         $calls = $behavior = array();
Chris@0:         foreach ($localDefinitions as $iDefinition) {
Chris@0:             $this->getServiceCallsFromArguments($iDefinition->getArguments(), $calls, $behavior);
Chris@0:             $this->getServiceCallsFromArguments($iDefinition->getMethodCalls(), $calls, $behavior);
Chris@0:             $this->getServiceCallsFromArguments($iDefinition->getProperties(), $calls, $behavior);
Chris@0:             $this->getServiceCallsFromArguments(array($iDefinition->getConfigurator()), $calls, $behavior);
Chris@0:             $this->getServiceCallsFromArguments(array($iDefinition->getFactory()), $calls, $behavior);
Chris@0:         }
Chris@0: 
Chris@0:         $code = '';
Chris@0:         foreach ($calls as $id => $callCount) {
Chris@0:             if ('service_container' === $id || $id === $cId) {
Chris@0:                 continue;
Chris@0:             }
Chris@0: 
Chris@0:             if ($callCount > 1) {
Chris@0:                 $name = $this->getNextVariableName();
Chris@0:                 $this->referenceVariables[$id] = new Variable($name);
Chris@0: 
Chris@0:                 if (ContainerInterface::EXCEPTION_ON_INVALID_REFERENCE === $behavior[$id]) {
Chris@0:                     $code .= sprintf($template, $name, $this->getServiceCall($id));
Chris@0:                 } else {
Chris@0:                     $code .= sprintf($template, $name, $this->getServiceCall($id, new Reference($id, ContainerInterface::NULL_ON_INVALID_REFERENCE)));
Chris@0:                 }
Chris@0:             }
Chris@0:         }
Chris@0: 
Chris@0:         if ('' !== $code) {
Chris@0:             $code .= "\n";
Chris@0:         }
Chris@0: 
Chris@0:         return $code;
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * Generates code for the proxies to be attached after the container class.
Chris@0:      *
Chris@0:      * @return string
Chris@0:      */
Chris@0:     private function addProxyClasses()
Chris@0:     {
Chris@0:         /* @var $definitions Definition[] */
Chris@0:         $definitions = array_filter(
Chris@0:             $this->container->getDefinitions(),
Chris@0:             array($this->getProxyDumper(), 'isProxyCandidate')
Chris@0:         );
Chris@0:         $code = '';
Chris@0:         $strip = '' === $this->docStar && method_exists('Symfony\Component\HttpKernel\Kernel', 'stripComments');
Chris@0: 
Chris@0:         foreach ($definitions as $definition) {
Chris@0:             $proxyCode = "\n".$this->getProxyDumper()->getProxyCode($definition);
Chris@0:             if ($strip) {
Chris@0:                 $proxyCode = "<?php\n".$proxyCode;
Chris@0:                 $proxyCode = substr(Kernel::stripComments($proxyCode), 5);
Chris@0:             }
Chris@0:             $code .= $proxyCode;
Chris@0:         }
Chris@0: 
Chris@0:         return $code;
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * Generates the require_once statement for service includes.
Chris@0:      *
Chris@0:      * @param string     $id         The service id
Chris@0:      * @param Definition $definition
Chris@0:      *
Chris@0:      * @return string
Chris@0:      */
Chris@0:     private function addServiceInclude($id, $definition)
Chris@0:     {
Chris@0:         $template = "        require_once %s;\n";
Chris@0:         $code = '';
Chris@0: 
Chris@0:         if (null !== $file = $definition->getFile()) {
Chris@0:             $code .= sprintf($template, $this->dumpValue($file));
Chris@0:         }
Chris@0: 
Chris@0:         foreach ($this->getInlinedDefinitions($definition) as $definition) {
Chris@0:             if (null !== $file = $definition->getFile()) {
Chris@0:                 $code .= sprintf($template, $this->dumpValue($file));
Chris@0:             }
Chris@0:         }
Chris@0: 
Chris@0:         if ('' !== $code) {
Chris@0:             $code .= "\n";
Chris@0:         }
Chris@0: 
Chris@0:         return $code;
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * Generates the inline definition of a service.
Chris@0:      *
Chris@0:      * @param string     $id
Chris@0:      * @param Definition $definition
Chris@0:      *
Chris@0:      * @return string
Chris@0:      *
Chris@0:      * @throws RuntimeException                  When the factory definition is incomplete
Chris@0:      * @throws ServiceCircularReferenceException When a circular reference is detected
Chris@0:      */
Chris@0:     private function addServiceInlinedDefinitions($id, $definition)
Chris@0:     {
Chris@0:         $code = '';
Chris@0:         $variableMap = $this->definitionVariables;
Chris@0:         $nbOccurrences = new \SplObjectStorage();
Chris@0:         $processed = new \SplObjectStorage();
Chris@0:         $inlinedDefinitions = $this->getInlinedDefinitions($definition);
Chris@0: 
Chris@0:         foreach ($inlinedDefinitions as $definition) {
Chris@0:             if (false === $nbOccurrences->contains($definition)) {
Chris@0:                 $nbOccurrences->offsetSet($definition, 1);
Chris@0:             } else {
Chris@0:                 $i = $nbOccurrences->offsetGet($definition);
Chris@0:                 $nbOccurrences->offsetSet($definition, $i + 1);
Chris@0:             }
Chris@0:         }
Chris@0: 
Chris@0:         foreach ($inlinedDefinitions as $sDefinition) {
Chris@0:             if ($processed->contains($sDefinition)) {
Chris@0:                 continue;
Chris@0:             }
Chris@0:             $processed->offsetSet($sDefinition);
Chris@0: 
Chris@0:             $class = $this->dumpValue($sDefinition->getClass());
Chris@0:             if ($nbOccurrences->offsetGet($sDefinition) > 1 || $sDefinition->getMethodCalls() || $sDefinition->getProperties() || null !== $sDefinition->getConfigurator() || false !== strpos($class, '$')) {
Chris@0:                 $name = $this->getNextVariableName();
Chris@0:                 $variableMap->offsetSet($sDefinition, new Variable($name));
Chris@0: 
Chris@0:                 // a construct like:
Chris@0:                 // $a = new ServiceA(ServiceB $b); $b = new ServiceB(ServiceA $a);
Chris@0:                 // this is an indication for a wrong implementation, you can circumvent this problem
Chris@0:                 // by setting up your service structure like this:
Chris@0:                 // $b = new ServiceB();
Chris@0:                 // $a = new ServiceA(ServiceB $b);
Chris@0:                 // $b->setServiceA(ServiceA $a);
Chris@0:                 if ($this->hasReference($id, $sDefinition->getArguments())) {
Chris@0:                     throw new ServiceCircularReferenceException($id, array($id));
Chris@0:                 }
Chris@0: 
Chris@0:                 $code .= $this->addNewInstance($sDefinition, '$'.$name, ' = ', $id);
Chris@0: 
Chris@0:                 if (!$this->hasReference($id, $sDefinition->getMethodCalls(), true) && !$this->hasReference($id, $sDefinition->getProperties(), true)) {
Chris@0:                     $code .= $this->addServiceProperties(null, $sDefinition, $name);
Chris@0:                     $code .= $this->addServiceMethodCalls(null, $sDefinition, $name);
Chris@0:                     $code .= $this->addServiceConfigurator(null, $sDefinition, $name);
Chris@0:                 }
Chris@0: 
Chris@0:                 $code .= "\n";
Chris@0:             }
Chris@0:         }
Chris@0: 
Chris@0:         return $code;
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * Adds the service return statement.
Chris@0:      *
Chris@0:      * @param string     $id         Service id
Chris@0:      * @param Definition $definition
Chris@0:      *
Chris@0:      * @return string
Chris@0:      */
Chris@0:     private function addServiceReturn($id, $definition)
Chris@0:     {
Chris@0:         if ($this->isSimpleInstance($id, $definition)) {
Chris@0:             return "    }\n";
Chris@0:         }
Chris@0: 
Chris@0:         return "\n        return \$instance;\n    }\n";
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * Generates the service instance.
Chris@0:      *
Chris@0:      * @param string     $id
Chris@0:      * @param Definition $definition
Chris@0:      *
Chris@0:      * @return string
Chris@0:      *
Chris@0:      * @throws InvalidArgumentException
Chris@0:      * @throws RuntimeException
Chris@0:      */
Chris@0:     private function addServiceInstance($id, Definition $definition)
Chris@0:     {
Chris@0:         $class = $definition->getClass();
Chris@0: 
Chris@0:         if ('\\' === substr($class, 0, 1)) {
Chris@0:             $class = substr($class, 1);
Chris@0:         }
Chris@0: 
Chris@0:         $class = $this->dumpValue($class);
Chris@0: 
Chris@0:         if (0 === strpos($class, "'") && false === strpos($class, '$') && !preg_match('/^\'[a-zA-Z_\x7f-\xff][a-zA-Z0-9_\x7f-\xff]*(\\\{2}[a-zA-Z_\x7f-\xff][a-zA-Z0-9_\x7f-\xff]*)*\'$/', $class)) {
Chris@0:             throw new InvalidArgumentException(sprintf('"%s" is not a valid class name for the "%s" service.', $class, $id));
Chris@0:         }
Chris@0: 
Chris@0:         $simple = $this->isSimpleInstance($id, $definition);
Chris@0:         $isProxyCandidate = $this->getProxyDumper()->isProxyCandidate($definition);
Chris@0:         $instantiation = '';
Chris@0: 
Chris@0:         if (!$isProxyCandidate && $definition->isShared()) {
Chris@0:             $instantiation = "\$this->services['$id'] = ".($simple ? '' : '$instance');
Chris@0:         } elseif (!$simple) {
Chris@0:             $instantiation = '$instance';
Chris@0:         }
Chris@0: 
Chris@0:         $return = '';
Chris@0:         if ($simple) {
Chris@0:             $return = 'return ';
Chris@0:         } else {
Chris@0:             $instantiation .= ' = ';
Chris@0:         }
Chris@0: 
Chris@0:         $code = $this->addNewInstance($definition, $return, $instantiation, $id);
Chris@0: 
Chris@0:         if (!$simple) {
Chris@0:             $code .= "\n";
Chris@0:         }
Chris@0: 
Chris@0:         return $code;
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * Checks if the definition is a simple instance.
Chris@0:      *
Chris@0:      * @param string     $id
Chris@0:      * @param Definition $definition
Chris@0:      *
Chris@0:      * @return bool
Chris@0:      */
Chris@0:     private function isSimpleInstance($id, Definition $definition)
Chris@0:     {
Chris@0:         foreach (array_merge(array($definition), $this->getInlinedDefinitions($definition)) as $sDefinition) {
Chris@0:             if ($definition !== $sDefinition && !$this->hasReference($id, $sDefinition->getMethodCalls())) {
Chris@0:                 continue;
Chris@0:             }
Chris@0: 
Chris@0:             if ($sDefinition->getMethodCalls() || $sDefinition->getProperties() || $sDefinition->getConfigurator()) {
Chris@0:                 return false;
Chris@0:             }
Chris@0:         }
Chris@0: 
Chris@0:         return true;
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * Adds method calls to a service definition.
Chris@0:      *
Chris@0:      * @param string     $id
Chris@0:      * @param Definition $definition
Chris@0:      * @param string     $variableName
Chris@0:      *
Chris@0:      * @return string
Chris@0:      */
Chris@0:     private function addServiceMethodCalls($id, Definition $definition, $variableName = 'instance')
Chris@0:     {
Chris@0:         $calls = '';
Chris@0:         foreach ($definition->getMethodCalls() as $call) {
Chris@0:             $arguments = array();
Chris@0:             foreach ($call[1] as $value) {
Chris@0:                 $arguments[] = $this->dumpValue($value);
Chris@0:             }
Chris@0: 
Chris@0:             $calls .= $this->wrapServiceConditionals($call[1], sprintf("        \$%s->%s(%s);\n", $variableName, $call[0], implode(', ', $arguments)));
Chris@0:         }
Chris@0: 
Chris@0:         return $calls;
Chris@0:     }
Chris@0: 
Chris@0:     private function addServiceProperties($id, Definition $definition, $variableName = 'instance')
Chris@0:     {
Chris@0:         $code = '';
Chris@0:         foreach ($definition->getProperties() as $name => $value) {
Chris@0:             $code .= sprintf("        \$%s->%s = %s;\n", $variableName, $name, $this->dumpValue($value));
Chris@0:         }
Chris@0: 
Chris@0:         return $code;
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * Generates the inline definition setup.
Chris@0:      *
Chris@0:      * @param string     $id
Chris@0:      * @param Definition $definition
Chris@0:      *
Chris@0:      * @return string
Chris@0:      *
Chris@0:      * @throws ServiceCircularReferenceException when the container contains a circular reference
Chris@0:      */
Chris@0:     private function addServiceInlinedDefinitionsSetup($id, Definition $definition)
Chris@0:     {
Chris@0:         $this->referenceVariables[$id] = new Variable('instance');
Chris@0: 
Chris@0:         $code = '';
Chris@0:         $processed = new \SplObjectStorage();
Chris@0:         foreach ($this->getInlinedDefinitions($definition) as $iDefinition) {
Chris@0:             if ($processed->contains($iDefinition)) {
Chris@0:                 continue;
Chris@0:             }
Chris@0:             $processed->offsetSet($iDefinition);
Chris@0: 
Chris@0:             if (!$this->hasReference($id, $iDefinition->getMethodCalls(), true) && !$this->hasReference($id, $iDefinition->getProperties(), true)) {
Chris@0:                 continue;
Chris@0:             }
Chris@0: 
Chris@0:             // if the instance is simple, the return statement has already been generated
Chris@0:             // so, the only possible way to get there is because of a circular reference
Chris@0:             if ($this->isSimpleInstance($id, $definition)) {
Chris@0:                 throw new ServiceCircularReferenceException($id, array($id));
Chris@0:             }
Chris@0: 
Chris@0:             $name = (string) $this->definitionVariables->offsetGet($iDefinition);
Chris@0:             $code .= $this->addServiceProperties(null, $iDefinition, $name);
Chris@0:             $code .= $this->addServiceMethodCalls(null, $iDefinition, $name);
Chris@0:             $code .= $this->addServiceConfigurator(null, $iDefinition, $name);
Chris@0:         }
Chris@0: 
Chris@0:         if ('' !== $code) {
Chris@0:             $code .= "\n";
Chris@0:         }
Chris@0: 
Chris@0:         return $code;
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * Adds configurator definition.
Chris@0:      *
Chris@0:      * @param string     $id
Chris@0:      * @param Definition $definition
Chris@0:      * @param string     $variableName
Chris@0:      *
Chris@0:      * @return string
Chris@0:      */
Chris@0:     private function addServiceConfigurator($id, Definition $definition, $variableName = 'instance')
Chris@0:     {
Chris@0:         if (!$callable = $definition->getConfigurator()) {
Chris@0:             return '';
Chris@0:         }
Chris@0: 
Chris@0:         if (is_array($callable)) {
Chris@0:             if ($callable[0] instanceof Reference
Chris@0:                 || ($callable[0] instanceof Definition && $this->definitionVariables->contains($callable[0]))) {
Chris@0:                 return sprintf("        %s->%s(\$%s);\n", $this->dumpValue($callable[0]), $callable[1], $variableName);
Chris@0:             }
Chris@0: 
Chris@0:             $class = $this->dumpValue($callable[0]);
Chris@0:             // If the class is a string we can optimize call_user_func away
Chris@0:             if (0 === strpos($class, "'") && false === strpos($class, '$')) {
Chris@0:                 return sprintf("        %s::%s(\$%s);\n", $this->dumpLiteralClass($class), $callable[1], $variableName);
Chris@0:             }
Chris@0: 
Chris@0:             if (0 === strpos($class, 'new ')) {
Chris@0:                 return sprintf("        (%s)->%s(\$%s);\n", $this->dumpValue($callable[0]), $callable[1], $variableName);
Chris@0:             }
Chris@0: 
Chris@0:             return sprintf("        call_user_func(array(%s, '%s'), \$%s);\n", $this->dumpValue($callable[0]), $callable[1], $variableName);
Chris@0:         }
Chris@0: 
Chris@0:         return sprintf("        %s(\$%s);\n", $callable, $variableName);
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * Adds a service.
Chris@0:      *
Chris@0:      * @param string     $id
Chris@0:      * @param Definition $definition
Chris@0:      *
Chris@0:      * @return string
Chris@0:      */
Chris@0:     private function addService($id, Definition $definition)
Chris@0:     {
Chris@0:         $this->definitionVariables = new \SplObjectStorage();
Chris@0:         $this->referenceVariables = array();
Chris@0:         $this->variableCount = 0;
Chris@0: 
Chris@0:         $return = array();
Chris@0: 
Chris@0:         if ($definition->isSynthetic()) {
Chris@0:             $return[] = '@throws RuntimeException always since this service is expected to be injected dynamically';
Chris@0:         } elseif ($class = $definition->getClass()) {
Chris@0:             $class = $this->container->resolveEnvPlaceholders($class);
Chris@0:             $return[] = sprintf('@return %s A %s instance', 0 === strpos($class, '%') ? 'object' : '\\'.ltrim($class, '\\'), ltrim($class, '\\'));
Chris@0:         } elseif ($definition->getFactory()) {
Chris@0:             $factory = $definition->getFactory();
Chris@0:             if (is_string($factory)) {
Chris@0:                 $return[] = sprintf('@return object An instance returned by %s()', $factory);
Chris@0:             } elseif (is_array($factory) && (is_string($factory[0]) || $factory[0] instanceof Definition || $factory[0] instanceof Reference)) {
Chris@0:                 if (is_string($factory[0]) || $factory[0] instanceof Reference) {
Chris@0:                     $return[] = sprintf('@return object An instance returned by %s::%s()', (string) $factory[0], $factory[1]);
Chris@0:                 } elseif ($factory[0] instanceof Definition) {
Chris@0:                     $return[] = sprintf('@return object An instance returned by %s::%s()', $factory[0]->getClass(), $factory[1]);
Chris@0:                 }
Chris@0:             }
Chris@0:         }
Chris@0: 
Chris@0:         if ($definition->isDeprecated()) {
Chris@0:             if ($return && 0 === strpos($return[count($return) - 1], '@return')) {
Chris@0:                 $return[] = '';
Chris@0:             }
Chris@0: 
Chris@0:             $return[] = sprintf('@deprecated %s', $definition->getDeprecationMessage($id));
Chris@0:         }
Chris@0: 
Chris@0:         $return = str_replace("\n     * \n", "\n     *\n", implode("\n     * ", $return));
Chris@0:         $return = $this->container->resolveEnvPlaceholders($return);
Chris@0: 
Chris@0:         $doc = '';
Chris@0:         if ($definition->isShared()) {
Chris@0:             $doc .= <<<'EOF'
Chris@0: 
Chris@0:      *
Chris@0:      * This service is shared.
Chris@0:      * This method always returns the same instance of the service.
Chris@0: EOF;
Chris@0:         }
Chris@0: 
Chris@0:         if (!$definition->isPublic()) {
Chris@0:             $doc .= <<<'EOF'
Chris@0: 
Chris@0:      *
Chris@0:      * This service is private.
Chris@0:      * If you want to be able to request this service from the container directly,
Chris@0:      * make it public, otherwise you might end up with broken code.
Chris@0: EOF;
Chris@0:         }
Chris@0: 
Chris@0:         if ($definition->isAutowired()) {
Chris@0:             $doc .= <<<EOF
Chris@0: 
Chris@0:      *
Chris@0:      * This service is autowired.
Chris@0: EOF;
Chris@0:         }
Chris@0: 
Chris@0:         if ($definition->isLazy()) {
Chris@0:             $lazyInitialization = '$lazyLoad = true';
Chris@0:             $lazyInitializationDoc = "\n     * @param bool    \$lazyLoad whether to try lazy-loading the service with a proxy\n     *";
Chris@0:         } else {
Chris@0:             $lazyInitialization = '';
Chris@0:             $lazyInitializationDoc = '';
Chris@0:         }
Chris@0: 
Chris@0:         // with proxies, for 5.3.3 compatibility, the getter must be public to be accessible to the initializer
Chris@0:         $isProxyCandidate = $this->getProxyDumper()->isProxyCandidate($definition);
Chris@0:         $visibility = $isProxyCandidate ? 'public' : 'protected';
Chris@0:         $methodName = $this->generateMethodName($id);
Chris@0:         $code = <<<EOF
Chris@0: 
Chris@0:     /*{$this->docStar}
Chris@0:      * Gets the '$id' service.$doc
Chris@0:      *$lazyInitializationDoc
Chris@0:      * $return
Chris@0:      */
Chris@0:     {$visibility} function {$methodName}($lazyInitialization)
Chris@0:     {
Chris@0: 
Chris@0: EOF;
Chris@0: 
Chris@0:         $code .= $isProxyCandidate ? $this->getProxyDumper()->getProxyFactoryCode($definition, $id, $methodName) : '';
Chris@0: 
Chris@0:         if ($definition->isSynthetic()) {
Chris@0:             $code .= sprintf("        throw new RuntimeException('You have requested a synthetic service (\"%s\"). The DIC does not know how to construct this service.');\n    }\n", $id);
Chris@0:         } else {
Chris@0:             if ($definition->isDeprecated()) {
Chris@0:                 $code .= sprintf("        @trigger_error(%s, E_USER_DEPRECATED);\n\n", $this->export($definition->getDeprecationMessage($id)));
Chris@0:             }
Chris@0: 
Chris@0:             $code .=
Chris@0:                 $this->addServiceInclude($id, $definition).
Chris@0:                 $this->addServiceLocalTempVariables($id, $definition).
Chris@0:                 $this->addServiceInlinedDefinitions($id, $definition).
Chris@0:                 $this->addServiceInstance($id, $definition).
Chris@0:                 $this->addServiceInlinedDefinitionsSetup($id, $definition).
Chris@0:                 $this->addServiceProperties($id, $definition).
Chris@0:                 $this->addServiceMethodCalls($id, $definition).
Chris@0:                 $this->addServiceConfigurator($id, $definition).
Chris@0:                 $this->addServiceReturn($id, $definition)
Chris@0:             ;
Chris@0:         }
Chris@0: 
Chris@0:         $this->definitionVariables = null;
Chris@0:         $this->referenceVariables = null;
Chris@0: 
Chris@0:         return $code;
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * Adds multiple services.
Chris@0:      *
Chris@0:      * @return string
Chris@0:      */
Chris@0:     private function addServices()
Chris@0:     {
Chris@0:         $publicServices = $privateServices = '';
Chris@0:         $definitions = $this->container->getDefinitions();
Chris@0:         ksort($definitions);
Chris@0:         foreach ($definitions as $id => $definition) {
Chris@0:             if ($definition->isPublic()) {
Chris@0:                 $publicServices .= $this->addService($id, $definition);
Chris@0:             } else {
Chris@0:                 $privateServices .= $this->addService($id, $definition);
Chris@0:             }
Chris@0:         }
Chris@0: 
Chris@0:         return $publicServices.$privateServices;
Chris@0:     }
Chris@0: 
Chris@0:     private function addNewInstance(Definition $definition, $return, $instantiation, $id)
Chris@0:     {
Chris@0:         $class = $this->dumpValue($definition->getClass());
Chris@0: 
Chris@0:         $arguments = array();
Chris@0:         foreach ($definition->getArguments() as $value) {
Chris@0:             $arguments[] = $this->dumpValue($value);
Chris@0:         }
Chris@0: 
Chris@0:         if (null !== $definition->getFactory()) {
Chris@0:             $callable = $definition->getFactory();
Chris@0:             if (is_array($callable)) {
Chris@0:                 if (!preg_match('/^[a-zA-Z_\x7f-\xff][a-zA-Z0-9_\x7f-\xff]*$/', $callable[1])) {
Chris@0:                     throw new RuntimeException(sprintf('Cannot dump definition because of invalid factory method (%s)', $callable[1] ?: 'n/a'));
Chris@0:                 }
Chris@0: 
Chris@0:                 if ($callable[0] instanceof Reference
Chris@0:                     || ($callable[0] instanceof Definition && $this->definitionVariables->contains($callable[0]))) {
Chris@0:                     return sprintf("        $return{$instantiation}%s->%s(%s);\n", $this->dumpValue($callable[0]), $callable[1], $arguments ? implode(', ', $arguments) : '');
Chris@0:                 }
Chris@0: 
Chris@0:                 $class = $this->dumpValue($callable[0]);
Chris@0:                 // If the class is a string we can optimize call_user_func away
Chris@0:                 if (0 === strpos($class, "'") && false === strpos($class, '$')) {
Chris@0:                     if ("''" === $class) {
Chris@0:                         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));
Chris@0:                     }
Chris@0: 
Chris@0:                     return sprintf("        $return{$instantiation}%s::%s(%s);\n", $this->dumpLiteralClass($class), $callable[1], $arguments ? implode(', ', $arguments) : '');
Chris@0:                 }
Chris@0: 
Chris@0:                 if (0 === strpos($class, 'new ')) {
Chris@0:                     return sprintf("        $return{$instantiation}(%s)->%s(%s);\n", $this->dumpValue($callable[0]), $callable[1], $arguments ? implode(', ', $arguments) : '');
Chris@0:                 }
Chris@0: 
Chris@0:                 return sprintf("        $return{$instantiation}call_user_func(array(%s, '%s')%s);\n", $this->dumpValue($callable[0]), $callable[1], $arguments ? ', '.implode(', ', $arguments) : '');
Chris@0:             }
Chris@0: 
Chris@0:             return sprintf("        $return{$instantiation}%s(%s);\n", $this->dumpLiteralClass($this->dumpValue($callable)), $arguments ? implode(', ', $arguments) : '');
Chris@0:         }
Chris@0: 
Chris@0:         if (false !== strpos($class, '$')) {
Chris@0:             return sprintf("        \$class = %s;\n\n        $return{$instantiation}new \$class(%s);\n", $class, implode(', ', $arguments));
Chris@0:         }
Chris@0: 
Chris@0:         return sprintf("        $return{$instantiation}new %s(%s);\n", $this->dumpLiteralClass($class), implode(', ', $arguments));
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * Adds the class headers.
Chris@0:      *
Chris@0:      * @param string $class     Class name
Chris@0:      * @param string $baseClass The name of the base class
Chris@0:      * @param string $namespace The class namespace
Chris@0:      *
Chris@0:      * @return string
Chris@0:      */
Chris@0:     private function startClass($class, $baseClass, $namespace)
Chris@0:     {
Chris@0:         $bagClass = $this->container->isFrozen() ? 'use Symfony\Component\DependencyInjection\ParameterBag\FrozenParameterBag;' : 'use Symfony\Component\DependencyInjection\ParameterBag\\ParameterBag;';
Chris@0:         $namespaceLine = $namespace ? "namespace $namespace;\n" : '';
Chris@0: 
Chris@0:         return <<<EOF
Chris@0: <?php
Chris@0: $namespaceLine
Chris@0: use Symfony\Component\DependencyInjection\ContainerInterface;
Chris@0: use Symfony\Component\DependencyInjection\Container;
Chris@0: use Symfony\Component\DependencyInjection\Exception\InvalidArgumentException;
Chris@0: use Symfony\Component\DependencyInjection\Exception\LogicException;
Chris@0: use Symfony\Component\DependencyInjection\Exception\RuntimeException;
Chris@0: $bagClass
Chris@0: 
Chris@0: /*{$this->docStar}
Chris@0:  * $class.
Chris@0:  *
Chris@0:  * This class has been auto-generated
Chris@0:  * by the Symfony Dependency Injection Component.
Chris@0:  */
Chris@0: class $class extends $baseClass
Chris@0: {
Chris@0:     private \$parameters;
Chris@0:     private \$targetDirs = array();
Chris@0: 
Chris@0: EOF;
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * Adds the constructor.
Chris@0:      *
Chris@0:      * @return string
Chris@0:      */
Chris@0:     private function addConstructor()
Chris@0:     {
Chris@0:         $targetDirs = $this->exportTargetDirs();
Chris@0:         $arguments = $this->container->getParameterBag()->all() ? 'new ParameterBag($this->getDefaultParameters())' : null;
Chris@0: 
Chris@0:         $code = <<<EOF
Chris@0: 
Chris@0:     /*{$this->docStar}
Chris@0:      * Constructor.
Chris@0:      */
Chris@0:     public function __construct()
Chris@0:     {{$targetDirs}
Chris@0:         parent::__construct($arguments);
Chris@0: 
Chris@0: EOF;
Chris@0: 
Chris@0:         $code .= $this->addMethodMap();
Chris@0:         $code .= $this->addPrivateServices();
Chris@0:         $code .= $this->addAliases();
Chris@0: 
Chris@0:         $code .= <<<'EOF'
Chris@0:     }
Chris@0: 
Chris@0: EOF;
Chris@0: 
Chris@0:         return $code;
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * Adds the constructor for a frozen container.
Chris@0:      *
Chris@0:      * @return string
Chris@0:      */
Chris@0:     private function addFrozenConstructor()
Chris@0:     {
Chris@0:         $targetDirs = $this->exportTargetDirs();
Chris@0: 
Chris@0:         $code = <<<EOF
Chris@0: 
Chris@0:     /*{$this->docStar}
Chris@0:      * Constructor.
Chris@0:      */
Chris@0:     public function __construct()
Chris@0:     {{$targetDirs}
Chris@0: EOF;
Chris@0: 
Chris@0:         if ($this->container->getParameterBag()->all()) {
Chris@0:             $code .= "\n        \$this->parameters = \$this->getDefaultParameters();\n";
Chris@0:         }
Chris@0: 
Chris@0:         $code .= "\n        \$this->services = array();\n";
Chris@0:         $code .= $this->addMethodMap();
Chris@0:         $code .= $this->addPrivateServices();
Chris@0:         $code .= $this->addAliases();
Chris@0: 
Chris@0:         $code .= <<<'EOF'
Chris@0:     }
Chris@0: 
Chris@0: EOF;
Chris@0: 
Chris@0:         return $code;
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * Adds the constructor for a frozen container.
Chris@0:      *
Chris@0:      * @return string
Chris@0:      */
Chris@0:     private function addFrozenCompile()
Chris@0:     {
Chris@0:         return <<<EOF
Chris@0: 
Chris@0:     /*{$this->docStar}
Chris@0:      * {@inheritdoc}
Chris@0:      */
Chris@0:     public function compile()
Chris@0:     {
Chris@0:         throw new LogicException('You cannot compile a dumped frozen container.');
Chris@0:     }
Chris@0: 
Chris@0: EOF;
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * Adds the isFrozen method for a frozen container.
Chris@0:      *
Chris@0:      * @return string
Chris@0:      */
Chris@0:     private function addIsFrozenMethod()
Chris@0:     {
Chris@0:         return <<<EOF
Chris@0: 
Chris@0:     /*{$this->docStar}
Chris@0:      * {@inheritdoc}
Chris@0:      */
Chris@0:     public function isFrozen()
Chris@0:     {
Chris@0:         return true;
Chris@0:     }
Chris@0: 
Chris@0: EOF;
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * Adds the methodMap property definition.
Chris@0:      *
Chris@0:      * @return string
Chris@0:      */
Chris@0:     private function addMethodMap()
Chris@0:     {
Chris@0:         if (!$definitions = $this->container->getDefinitions()) {
Chris@0:             return '';
Chris@0:         }
Chris@0: 
Chris@0:         $code = "        \$this->methodMap = array(\n";
Chris@0:         ksort($definitions);
Chris@0:         foreach ($definitions as $id => $definition) {
Chris@0:             $code .= '            '.$this->export($id).' => '.$this->export($this->generateMethodName($id)).",\n";
Chris@0:         }
Chris@0: 
Chris@0:         return $code."        );\n";
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * Adds the privates property definition.
Chris@0:      *
Chris@0:      * @return string
Chris@0:      */
Chris@0:     private function addPrivateServices()
Chris@0:     {
Chris@0:         if (!$definitions = $this->container->getDefinitions()) {
Chris@0:             return '';
Chris@0:         }
Chris@0: 
Chris@0:         $code = '';
Chris@0:         ksort($definitions);
Chris@0:         foreach ($definitions as $id => $definition) {
Chris@0:             if (!$definition->isPublic()) {
Chris@0:                 $code .= '            '.$this->export($id)." => true,\n";
Chris@0:             }
Chris@0:         }
Chris@0: 
Chris@0:         if (empty($code)) {
Chris@0:             return '';
Chris@0:         }
Chris@0: 
Chris@0:         $out = "        \$this->privates = array(\n";
Chris@0:         $out .= $code;
Chris@0:         $out .= "        );\n";
Chris@0: 
Chris@0:         return $out;
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * Adds the aliases property definition.
Chris@0:      *
Chris@0:      * @return string
Chris@0:      */
Chris@0:     private function addAliases()
Chris@0:     {
Chris@0:         if (!$aliases = $this->container->getAliases()) {
Chris@0:             return $this->container->isFrozen() ? "\n        \$this->aliases = array();\n" : '';
Chris@0:         }
Chris@0: 
Chris@0:         $code = "        \$this->aliases = array(\n";
Chris@0:         ksort($aliases);
Chris@0:         foreach ($aliases as $alias => $id) {
Chris@0:             $id = (string) $id;
Chris@0:             while (isset($aliases[$id])) {
Chris@0:                 $id = (string) $aliases[$id];
Chris@0:             }
Chris@0:             $code .= '            '.$this->export($alias).' => '.$this->export($id).",\n";
Chris@0:         }
Chris@0: 
Chris@0:         return $code."        );\n";
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * Adds default parameters method.
Chris@0:      *
Chris@0:      * @return string
Chris@0:      */
Chris@0:     private function addDefaultParametersMethod()
Chris@0:     {
Chris@0:         if (!$this->container->getParameterBag()->all()) {
Chris@0:             return '';
Chris@0:         }
Chris@0: 
Chris@0:         $php = array();
Chris@0:         $dynamicPhp = array();
Chris@0: 
Chris@0:         foreach ($this->container->getParameterBag()->all() as $key => $value) {
Chris@0:             if ($key !== $resolvedKey = $this->container->resolveEnvPlaceholders($key)) {
Chris@0:                 throw new InvalidArgumentException(sprintf('Parameter name cannot use env parameters: %s.', $resolvedKey));
Chris@0:             }
Chris@0:             $export = $this->exportParameters(array($value));
Chris@0:             $export = explode('0 => ', substr(rtrim($export, " )\n"), 7, -1), 2);
Chris@0: 
Chris@0:             if (preg_match("/\\\$this->(?:getEnv\('\w++'\)|targetDirs\[\d++\])/", $export[1])) {
Chris@0:                 $dynamicPhp[$key] = sprintf('%scase %s: $value = %s; break;', $export[0], $this->export($key), $export[1]);
Chris@0:             } else {
Chris@0:                 $php[] = sprintf('%s%s => %s,', $export[0], $this->export($key), $export[1]);
Chris@0:             }
Chris@0:         }
Chris@0:         $parameters = sprintf("array(\n%s\n%s)", implode("\n", $php), str_repeat(' ', 8));
Chris@0: 
Chris@0:         $code = '';
Chris@0:         if ($this->container->isFrozen()) {
Chris@0:             $code .= <<<'EOF'
Chris@0: 
Chris@0:     /**
Chris@0:      * {@inheritdoc}
Chris@0:      */
Chris@0:     public function getParameter($name)
Chris@0:     {
Chris@0:         $name = strtolower($name);
Chris@0: 
Chris@0:         if (!(isset($this->parameters[$name]) || array_key_exists($name, $this->parameters) || isset($this->loadedDynamicParameters[$name]))) {
Chris@0:             throw new InvalidArgumentException(sprintf('The parameter "%s" must be defined.', $name));
Chris@0:         }
Chris@0:         if (isset($this->loadedDynamicParameters[$name])) {
Chris@0:             return $this->loadedDynamicParameters[$name] ? $this->dynamicParameters[$name] : $this->getDynamicParameter($name);
Chris@0:         }
Chris@0: 
Chris@0:         return $this->parameters[$name];
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * {@inheritdoc}
Chris@0:      */
Chris@0:     public function hasParameter($name)
Chris@0:     {
Chris@0:         $name = strtolower($name);
Chris@0: 
Chris@0:         return isset($this->parameters[$name]) || array_key_exists($name, $this->parameters) || isset($this->loadedDynamicParameters[$name]);
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * {@inheritdoc}
Chris@0:      */
Chris@0:     public function setParameter($name, $value)
Chris@0:     {
Chris@0:         throw new LogicException('Impossible to call set() on a frozen ParameterBag.');
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * {@inheritdoc}
Chris@0:      */
Chris@0:     public function getParameterBag()
Chris@0:     {
Chris@0:         if (null === $this->parameterBag) {
Chris@0:             $parameters = $this->parameters;
Chris@0:             foreach ($this->loadedDynamicParameters as $name => $loaded) {
Chris@0:                 $parameters[$name] = $loaded ? $this->dynamicParameters[$name] : $this->getDynamicParameter($name);
Chris@0:             }
Chris@0:             $this->parameterBag = new FrozenParameterBag($parameters);
Chris@0:         }
Chris@0: 
Chris@0:         return $this->parameterBag;
Chris@0:     }
Chris@0: 
Chris@0: EOF;
Chris@0:             if ('' === $this->docStar) {
Chris@0:                 $code = str_replace('/**', '/*', $code);
Chris@0:             }
Chris@0: 
Chris@0:             if ($dynamicPhp) {
Chris@0:                 $loadedDynamicParameters = $this->exportParameters(array_combine(array_keys($dynamicPhp), array_fill(0, count($dynamicPhp), false)), '', 8);
Chris@0:                 $getDynamicParameter = <<<'EOF'
Chris@0:         switch ($name) {
Chris@0: %s
Chris@0:             default: throw new InvalidArgumentException(sprintf('The dynamic parameter "%%s" must be defined.', $name));
Chris@0:         }
Chris@0:         $this->loadedDynamicParameters[$name] = true;
Chris@0: 
Chris@0:         return $this->dynamicParameters[$name] = $value;
Chris@0: EOF;
Chris@0:                 $getDynamicParameter = sprintf($getDynamicParameter, implode("\n", $dynamicPhp));
Chris@0:             } else {
Chris@0:                 $loadedDynamicParameters = 'array()';
Chris@0:                 $getDynamicParameter = str_repeat(' ', 8).'throw new InvalidArgumentException(sprintf(\'The dynamic parameter "%s" must be defined.\', $name));';
Chris@0:             }
Chris@0: 
Chris@0:             $code .= <<<EOF
Chris@0: 
Chris@0:     private \$loadedDynamicParameters = {$loadedDynamicParameters};
Chris@0:     private \$dynamicParameters = array();
Chris@0: 
Chris@0:     /*{$this->docStar}
Chris@0:      * Computes a dynamic parameter.
Chris@0:      *
Chris@0:      * @param string The name of the dynamic parameter to load
Chris@0:      *
Chris@0:      * @return mixed The value of the dynamic parameter
Chris@0:      *
Chris@0:      * @throws InvalidArgumentException When the dynamic parameter does not exist
Chris@0:      */
Chris@0:     private function getDynamicParameter(\$name)
Chris@0:     {
Chris@0: {$getDynamicParameter}
Chris@0:     }
Chris@0: 
Chris@0: EOF;
Chris@0:         } elseif ($dynamicPhp) {
Chris@0:             throw new RuntimeException('You cannot dump a not-frozen container with dynamic parameters.');
Chris@0:         }
Chris@0: 
Chris@0:         $code .= <<<EOF
Chris@0: 
Chris@0:     /*{$this->docStar}
Chris@0:      * Gets the default parameters.
Chris@0:      *
Chris@0:      * @return array An array of the default parameters
Chris@0:      */
Chris@0:     protected function getDefaultParameters()
Chris@0:     {
Chris@0:         return $parameters;
Chris@0:     }
Chris@0: 
Chris@0: EOF;
Chris@0: 
Chris@0:         return $code;
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * Exports parameters.
Chris@0:      *
Chris@0:      * @param array  $parameters
Chris@0:      * @param string $path
Chris@0:      * @param int    $indent
Chris@0:      *
Chris@0:      * @return string
Chris@0:      *
Chris@0:      * @throws InvalidArgumentException
Chris@0:      */
Chris@0:     private function exportParameters(array $parameters, $path = '', $indent = 12)
Chris@0:     {
Chris@0:         $php = array();
Chris@0:         foreach ($parameters as $key => $value) {
Chris@0:             if (is_array($value)) {
Chris@0:                 $value = $this->exportParameters($value, $path.'/'.$key, $indent + 4);
Chris@0:             } elseif ($value instanceof Variable) {
Chris@0:                 throw new InvalidArgumentException(sprintf('You cannot dump a container with parameters that contain variable references. Variable "%s" found in "%s".', $value, $path.'/'.$key));
Chris@0:             } elseif ($value instanceof Definition) {
Chris@0:                 throw new InvalidArgumentException(sprintf('You cannot dump a container with parameters that contain service definitions. Definition for "%s" found in "%s".', $value->getClass(), $path.'/'.$key));
Chris@0:             } elseif ($value instanceof Reference) {
Chris@0:                 throw new InvalidArgumentException(sprintf('You cannot dump a container with parameters that contain references to other services (reference to service "%s" found in "%s").', $value, $path.'/'.$key));
Chris@0:             } elseif ($value instanceof Expression) {
Chris@0:                 throw new InvalidArgumentException(sprintf('You cannot dump a container with parameters that contain expressions. Expression "%s" found in "%s".', $value, $path.'/'.$key));
Chris@0:             } else {
Chris@0:                 $value = $this->export($value);
Chris@0:             }
Chris@0: 
Chris@0:             $php[] = sprintf('%s%s => %s,', str_repeat(' ', $indent), $this->export($key), $value);
Chris@0:         }
Chris@0: 
Chris@0:         return sprintf("array(\n%s\n%s)", implode("\n", $php), str_repeat(' ', $indent - 4));
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * Ends the class definition.
Chris@0:      *
Chris@0:      * @return string
Chris@0:      */
Chris@0:     private function endClass()
Chris@0:     {
Chris@0:         return <<<'EOF'
Chris@0: }
Chris@0: 
Chris@0: EOF;
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * Wraps the service conditionals.
Chris@0:      *
Chris@0:      * @param string $value
Chris@0:      * @param string $code
Chris@0:      *
Chris@0:      * @return string
Chris@0:      */
Chris@0:     private function wrapServiceConditionals($value, $code)
Chris@0:     {
Chris@0:         if (!$services = ContainerBuilder::getServiceConditionals($value)) {
Chris@0:             return $code;
Chris@0:         }
Chris@0: 
Chris@0:         $conditions = array();
Chris@0:         foreach ($services as $service) {
Chris@0:             $conditions[] = sprintf("\$this->has('%s')", $service);
Chris@0:         }
Chris@0: 
Chris@0:         // re-indent the wrapped code
Chris@0:         $code = implode("\n", array_map(function ($line) { return $line ? '    '.$line : $line; }, explode("\n", $code)));
Chris@0: 
Chris@0:         return sprintf("        if (%s) {\n%s        }\n", implode(' && ', $conditions), $code);
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * Builds service calls from arguments.
Chris@0:      *
Chris@0:      * @param array $arguments
Chris@0:      * @param array &$calls    By reference
Chris@0:      * @param array &$behavior By reference
Chris@0:      */
Chris@0:     private function getServiceCallsFromArguments(array $arguments, array &$calls, array &$behavior)
Chris@0:     {
Chris@0:         foreach ($arguments as $argument) {
Chris@0:             if (is_array($argument)) {
Chris@0:                 $this->getServiceCallsFromArguments($argument, $calls, $behavior);
Chris@0:             } elseif ($argument instanceof Reference) {
Chris@0:                 $id = (string) $argument;
Chris@0: 
Chris@0:                 if (!isset($calls[$id])) {
Chris@0:                     $calls[$id] = 0;
Chris@0:                 }
Chris@0:                 if (!isset($behavior[$id])) {
Chris@0:                     $behavior[$id] = $argument->getInvalidBehavior();
Chris@0:                 } elseif (ContainerInterface::EXCEPTION_ON_INVALID_REFERENCE !== $behavior[$id]) {
Chris@0:                     $behavior[$id] = $argument->getInvalidBehavior();
Chris@0:                 }
Chris@0: 
Chris@0:                 ++$calls[$id];
Chris@0:             }
Chris@0:         }
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * Returns the inline definition.
Chris@0:      *
Chris@0:      * @param Definition $definition
Chris@0:      *
Chris@0:      * @return array
Chris@0:      */
Chris@0:     private function getInlinedDefinitions(Definition $definition)
Chris@0:     {
Chris@0:         if (false === $this->inlinedDefinitions->contains($definition)) {
Chris@0:             $definitions = array_merge(
Chris@0:                 $this->getDefinitionsFromArguments($definition->getArguments()),
Chris@0:                 $this->getDefinitionsFromArguments($definition->getMethodCalls()),
Chris@0:                 $this->getDefinitionsFromArguments($definition->getProperties()),
Chris@0:                 $this->getDefinitionsFromArguments(array($definition->getConfigurator())),
Chris@0:                 $this->getDefinitionsFromArguments(array($definition->getFactory()))
Chris@0:             );
Chris@0: 
Chris@0:             $this->inlinedDefinitions->offsetSet($definition, $definitions);
Chris@0: 
Chris@0:             return $definitions;
Chris@0:         }
Chris@0: 
Chris@0:         return $this->inlinedDefinitions->offsetGet($definition);
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * Gets the definition from arguments.
Chris@0:      *
Chris@0:      * @param array $arguments
Chris@0:      *
Chris@0:      * @return array
Chris@0:      */
Chris@0:     private function getDefinitionsFromArguments(array $arguments)
Chris@0:     {
Chris@0:         $definitions = array();
Chris@0:         foreach ($arguments as $argument) {
Chris@0:             if (is_array($argument)) {
Chris@0:                 $definitions = array_merge($definitions, $this->getDefinitionsFromArguments($argument));
Chris@0:             } elseif ($argument instanceof Definition) {
Chris@0:                 $definitions = array_merge(
Chris@0:                     $definitions,
Chris@0:                     $this->getInlinedDefinitions($argument),
Chris@0:                     array($argument)
Chris@0:                 );
Chris@0:             }
Chris@0:         }
Chris@0: 
Chris@0:         return $definitions;
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * Checks if a service id has a reference.
Chris@0:      *
Chris@0:      * @param string $id
Chris@0:      * @param array  $arguments
Chris@0:      * @param bool   $deep
Chris@0:      * @param array  $visited
Chris@0:      *
Chris@0:      * @return bool
Chris@0:      */
Chris@0:     private function hasReference($id, array $arguments, $deep = false, array &$visited = array())
Chris@0:     {
Chris@0:         foreach ($arguments as $argument) {
Chris@0:             if (is_array($argument)) {
Chris@0:                 if ($this->hasReference($id, $argument, $deep, $visited)) {
Chris@0:                     return true;
Chris@0:                 }
Chris@0:             } elseif ($argument instanceof Reference) {
Chris@0:                 $argumentId = (string) $argument;
Chris@0:                 if ($id === $argumentId) {
Chris@0:                     return true;
Chris@0:                 }
Chris@0: 
Chris@0:                 if ($deep && !isset($visited[$argumentId]) && 'service_container' !== $argumentId) {
Chris@0:                     $visited[$argumentId] = true;
Chris@0: 
Chris@0:                     $service = $this->container->getDefinition($argumentId);
Chris@0: 
Chris@0:                     // if the proxy manager is enabled, disable searching for references in lazy services,
Chris@0:                     // as these services will be instantiated lazily and don't have direct related references.
Chris@0:                     if ($service->isLazy() && !$this->getProxyDumper() instanceof NullDumper) {
Chris@0:                         continue;
Chris@0:                     }
Chris@0: 
Chris@0:                     $arguments = array_merge($service->getMethodCalls(), $service->getArguments(), $service->getProperties());
Chris@0: 
Chris@0:                     if ($this->hasReference($id, $arguments, $deep, $visited)) {
Chris@0:                         return true;
Chris@0:                     }
Chris@0:                 }
Chris@0:             }
Chris@0:         }
Chris@0: 
Chris@0:         return false;
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * Dumps values.
Chris@0:      *
Chris@0:      * @param mixed $value
Chris@0:      * @param bool  $interpolate
Chris@0:      *
Chris@0:      * @return string
Chris@0:      *
Chris@0:      * @throws RuntimeException
Chris@0:      */
Chris@0:     private function dumpValue($value, $interpolate = true)
Chris@0:     {
Chris@0:         if (is_array($value)) {
Chris@0:             $code = array();
Chris@0:             foreach ($value as $k => $v) {
Chris@0:                 $code[] = sprintf('%s => %s', $this->dumpValue($k, $interpolate), $this->dumpValue($v, $interpolate));
Chris@0:             }
Chris@0: 
Chris@0:             return sprintf('array(%s)', implode(', ', $code));
Chris@0:         } elseif ($value instanceof Definition) {
Chris@0:             if (null !== $this->definitionVariables && $this->definitionVariables->contains($value)) {
Chris@0:                 return $this->dumpValue($this->definitionVariables->offsetGet($value), $interpolate);
Chris@0:             }
Chris@0:             if ($value->getMethodCalls()) {
Chris@0:                 throw new RuntimeException('Cannot dump definitions which have method calls.');
Chris@0:             }
Chris@0:             if ($value->getProperties()) {
Chris@0:                 throw new RuntimeException('Cannot dump definitions which have properties.');
Chris@0:             }
Chris@0:             if (null !== $value->getConfigurator()) {
Chris@0:                 throw new RuntimeException('Cannot dump definitions which have a configurator.');
Chris@0:             }
Chris@0: 
Chris@0:             $arguments = array();
Chris@0:             foreach ($value->getArguments() as $argument) {
Chris@0:                 $arguments[] = $this->dumpValue($argument);
Chris@0:             }
Chris@0: 
Chris@0:             if (null !== $value->getFactory()) {
Chris@0:                 $factory = $value->getFactory();
Chris@0: 
Chris@0:                 if (is_string($factory)) {
Chris@0:                     return sprintf('%s(%s)', $this->dumpLiteralClass($this->dumpValue($factory)), implode(', ', $arguments));
Chris@0:                 }
Chris@0: 
Chris@0:                 if (is_array($factory)) {
Chris@0:                     if (!preg_match('/^[a-zA-Z_\x7f-\xff][a-zA-Z0-9_\x7f-\xff]*$/', $factory[1])) {
Chris@0:                         throw new RuntimeException(sprintf('Cannot dump definition because of invalid factory method (%s)', $factory[1] ?: 'n/a'));
Chris@0:                     }
Chris@0: 
Chris@0:                     if (is_string($factory[0])) {
Chris@0:                         return sprintf('%s::%s(%s)', $this->dumpLiteralClass($this->dumpValue($factory[0])), $factory[1], implode(', ', $arguments));
Chris@0:                     }
Chris@0: 
Chris@0:                     if ($factory[0] instanceof Definition) {
Chris@0:                         return sprintf("call_user_func(array(%s, '%s')%s)", $this->dumpValue($factory[0]), $factory[1], count($arguments) > 0 ? ', '.implode(', ', $arguments) : '');
Chris@0:                     }
Chris@0: 
Chris@0:                     if ($factory[0] instanceof Reference) {
Chris@0:                         return sprintf('%s->%s(%s)', $this->dumpValue($factory[0]), $factory[1], implode(', ', $arguments));
Chris@0:                     }
Chris@0:                 }
Chris@0: 
Chris@0:                 throw new RuntimeException('Cannot dump definition because of invalid factory');
Chris@0:             }
Chris@0: 
Chris@0:             $class = $value->getClass();
Chris@0:             if (null === $class) {
Chris@0:                 throw new RuntimeException('Cannot dump definitions which have no class nor factory.');
Chris@0:             }
Chris@0: 
Chris@0:             return sprintf('new %s(%s)', $this->dumpLiteralClass($this->dumpValue($class)), implode(', ', $arguments));
Chris@0:         } elseif ($value instanceof Variable) {
Chris@0:             return '$'.$value;
Chris@0:         } elseif ($value instanceof Reference) {
Chris@0:             if (null !== $this->referenceVariables && isset($this->referenceVariables[$id = (string) $value])) {
Chris@0:                 return $this->dumpValue($this->referenceVariables[$id], $interpolate);
Chris@0:             }
Chris@0: 
Chris@0:             return $this->getServiceCall((string) $value, $value);
Chris@0:         } elseif ($value instanceof Expression) {
Chris@0:             return $this->getExpressionLanguage()->compile((string) $value, array('this' => 'container'));
Chris@0:         } elseif ($value instanceof Parameter) {
Chris@0:             return $this->dumpParameter($value);
Chris@0:         } elseif (true === $interpolate && is_string($value)) {
Chris@0:             if (preg_match('/^%([^%]+)%$/', $value, $match)) {
Chris@0:                 // we do this to deal with non string values (Boolean, integer, ...)
Chris@0:                 // the preg_replace_callback converts them to strings
Chris@0:                 return $this->dumpParameter(strtolower($match[1]));
Chris@0:             } else {
Chris@0:                 $replaceParameters = function ($match) {
Chris@0:                     return "'.".$this->dumpParameter(strtolower($match[2])).".'";
Chris@0:                 };
Chris@0: 
Chris@0:                 $code = str_replace('%%', '%', preg_replace_callback('/(?<!%)(%)([^%]+)\1/', $replaceParameters, $this->export($value)));
Chris@0: 
Chris@0:                 return $code;
Chris@0:             }
Chris@0:         } elseif (is_object($value) || is_resource($value)) {
Chris@0:             throw new RuntimeException('Unable to dump a service container if a parameter is an object or a resource.');
Chris@0:         }
Chris@0: 
Chris@0:         return $this->export($value);
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * Dumps a string to a literal (aka PHP Code) class value.
Chris@0:      *
Chris@0:      * @param string $class
Chris@0:      *
Chris@0:      * @return string
Chris@0:      *
Chris@0:      * @throws RuntimeException
Chris@0:      */
Chris@0:     private function dumpLiteralClass($class)
Chris@0:     {
Chris@0:         if (false !== strpos($class, '$')) {
Chris@0:             return sprintf('${($_ = %s) && false ?: "_"}', $class);
Chris@0:         }
Chris@0:         if (0 !== strpos($class, "'") || !preg_match('/^\'[a-zA-Z_\x7f-\xff][a-zA-Z0-9_\x7f-\xff]*(\\\{2}[a-zA-Z_\x7f-\xff][a-zA-Z0-9_\x7f-\xff]*)*\'$/', $class)) {
Chris@0:             throw new RuntimeException(sprintf('Cannot dump definition because of invalid class name (%s)', $class ?: 'n/a'));
Chris@0:         }
Chris@0: 
Chris@0:         return '\\'.substr(str_replace('\\\\', '\\', $class), 1, -1);
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * Dumps a parameter.
Chris@0:      *
Chris@0:      * @param string $name
Chris@0:      *
Chris@0:      * @return string
Chris@0:      */
Chris@0:     private function dumpParameter($name)
Chris@0:     {
Chris@0:         if ($this->container->isFrozen() && $this->container->hasParameter($name)) {
Chris@0:             return $this->dumpValue($this->container->getParameter($name), false);
Chris@0:         }
Chris@0: 
Chris@0:         return sprintf("\$this->getParameter('%s')", strtolower($name));
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * Gets a service call.
Chris@0:      *
Chris@0:      * @param string    $id
Chris@0:      * @param Reference $reference
Chris@0:      *
Chris@0:      * @return string
Chris@0:      */
Chris@0:     private function getServiceCall($id, Reference $reference = null)
Chris@0:     {
Chris@0:         if ('service_container' === $id) {
Chris@0:             return '$this';
Chris@0:         }
Chris@0: 
Chris@0:         if ($this->container->hasDefinition($id) && !$this->container->getDefinition($id)->isPublic()) {
Chris@0:             // The following is PHP 5.5 syntax for what could be written as "(\$this->services['$id'] ?? \$this->{$this->generateMethodName($id)}())" on PHP>=7.0
Chris@0: 
Chris@0:             return "\${(\$_ = isset(\$this->services['$id']) ? \$this->services['$id'] : \$this->{$this->generateMethodName($id)}()) && false ?: '_'}";
Chris@0:         }
Chris@0:         if (null !== $reference && ContainerInterface::EXCEPTION_ON_INVALID_REFERENCE !== $reference->getInvalidBehavior()) {
Chris@0:             return sprintf('$this->get(\'%s\', ContainerInterface::NULL_ON_INVALID_REFERENCE)', $id);
Chris@0:         }
Chris@0: 
Chris@0:         if ($this->container->hasAlias($id)) {
Chris@0:             $id = (string) $this->container->getAlias($id);
Chris@0:         }
Chris@0: 
Chris@0:         return sprintf('$this->get(\'%s\')', $id);
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * Initializes the method names map to avoid conflicts with the Container methods.
Chris@0:      *
Chris@0:      * @param string $class the container base class
Chris@0:      */
Chris@0:     private function initializeMethodNamesMap($class)
Chris@0:     {
Chris@0:         $this->serviceIdToMethodNameMap = array();
Chris@0:         $this->usedMethodNames = array();
Chris@0: 
Chris@0:         try {
Chris@0:             $reflectionClass = new \ReflectionClass($class);
Chris@0:             foreach ($reflectionClass->getMethods() as $method) {
Chris@0:                 $this->usedMethodNames[strtolower($method->getName())] = true;
Chris@0:             }
Chris@0:         } catch (\ReflectionException $e) {
Chris@0:         }
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * Convert a service id to a valid PHP method name.
Chris@0:      *
Chris@0:      * @param string $id
Chris@0:      *
Chris@0:      * @return string
Chris@0:      *
Chris@0:      * @throws InvalidArgumentException
Chris@0:      */
Chris@0:     private function generateMethodName($id)
Chris@0:     {
Chris@0:         if (isset($this->serviceIdToMethodNameMap[$id])) {
Chris@0:             return $this->serviceIdToMethodNameMap[$id];
Chris@0:         }
Chris@0: 
Chris@0:         $name = Container::camelize($id);
Chris@0:         $name = preg_replace('/[^a-zA-Z0-9_\x7f-\xff]/', '', $name);
Chris@0:         $methodName = 'get'.$name.'Service';
Chris@0:         $suffix = 1;
Chris@0: 
Chris@0:         while (isset($this->usedMethodNames[strtolower($methodName)])) {
Chris@0:             ++$suffix;
Chris@0:             $methodName = 'get'.$name.$suffix.'Service';
Chris@0:         }
Chris@0: 
Chris@0:         $this->serviceIdToMethodNameMap[$id] = $methodName;
Chris@0:         $this->usedMethodNames[strtolower($methodName)] = true;
Chris@0: 
Chris@0:         return $methodName;
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * Returns the next name to use.
Chris@0:      *
Chris@0:      * @return string
Chris@0:      */
Chris@0:     private function getNextVariableName()
Chris@0:     {
Chris@0:         $firstChars = self::FIRST_CHARS;
Chris@0:         $firstCharsLength = strlen($firstChars);
Chris@0:         $nonFirstChars = self::NON_FIRST_CHARS;
Chris@0:         $nonFirstCharsLength = strlen($nonFirstChars);
Chris@0: 
Chris@0:         while (true) {
Chris@0:             $name = '';
Chris@0:             $i = $this->variableCount;
Chris@0: 
Chris@0:             if ('' === $name) {
Chris@0:                 $name .= $firstChars[$i % $firstCharsLength];
Chris@0:                 $i = (int) ($i / $firstCharsLength);
Chris@0:             }
Chris@0: 
Chris@0:             while ($i > 0) {
Chris@0:                 --$i;
Chris@0:                 $name .= $nonFirstChars[$i % $nonFirstCharsLength];
Chris@0:                 $i = (int) ($i / $nonFirstCharsLength);
Chris@0:             }
Chris@0: 
Chris@0:             ++$this->variableCount;
Chris@0: 
Chris@0:             // check that the name is not reserved
Chris@0:             if (in_array($name, $this->reservedVariables, true)) {
Chris@0:                 continue;
Chris@0:             }
Chris@0: 
Chris@0:             return $name;
Chris@0:         }
Chris@0:     }
Chris@0: 
Chris@0:     private function getExpressionLanguage()
Chris@0:     {
Chris@0:         if (null === $this->expressionLanguage) {
Chris@0:             if (!class_exists('Symfony\Component\ExpressionLanguage\ExpressionLanguage')) {
Chris@0:                 throw new RuntimeException('Unable to use expressions as the Symfony ExpressionLanguage component is not installed.');
Chris@0:             }
Chris@0:             $providers = $this->container->getExpressionLanguageProviders();
Chris@0:             $this->expressionLanguage = new ExpressionLanguage(null, $providers);
Chris@0: 
Chris@0:             if ($this->container->isTrackingResources()) {
Chris@0:                 foreach ($providers as $provider) {
Chris@0:                     $this->container->addObjectResource($provider);
Chris@0:                 }
Chris@0:             }
Chris@0:         }
Chris@0: 
Chris@0:         return $this->expressionLanguage;
Chris@0:     }
Chris@0: 
Chris@0:     private function exportTargetDirs()
Chris@0:     {
Chris@0:         return null === $this->targetDirRegex ? '' : <<<EOF
Chris@0: 
Chris@0:         \$dir = __DIR__;
Chris@0:         for (\$i = 1; \$i <= {$this->targetDirMaxMatches}; ++\$i) {
Chris@0:             \$this->targetDirs[\$i] = \$dir = dirname(\$dir);
Chris@0:         }
Chris@0: EOF;
Chris@0:     }
Chris@0: 
Chris@0:     private function export($value)
Chris@0:     {
Chris@0:         if (null !== $this->targetDirRegex && is_string($value) && preg_match($this->targetDirRegex, $value, $matches, PREG_OFFSET_CAPTURE)) {
Chris@0:             $prefix = $matches[0][1] ? $this->doExport(substr($value, 0, $matches[0][1])).'.' : '';
Chris@0:             $suffix = $matches[0][1] + strlen($matches[0][0]);
Chris@0:             $suffix = isset($value[$suffix]) ? '.'.$this->doExport(substr($value, $suffix)) : '';
Chris@0:             $dirname = '__DIR__';
Chris@0: 
Chris@0:             if (0 < $offset = 1 + $this->targetDirMaxMatches - count($matches)) {
Chris@0:                 $dirname = sprintf('$this->targetDirs[%d]', $offset);
Chris@0:             }
Chris@0: 
Chris@0:             if ($prefix || $suffix) {
Chris@0:                 return sprintf('(%s%s%s)', $prefix, $dirname, $suffix);
Chris@0:             }
Chris@0: 
Chris@0:             return $dirname;
Chris@0:         }
Chris@0: 
Chris@0:         return $this->doExport($value);
Chris@0:     }
Chris@0: 
Chris@0:     private function doExport($value)
Chris@0:     {
Chris@0:         $export = var_export($value, true);
Chris@0: 
Chris@0:         if ("'" === $export[0] && $export !== $resolvedExport = $this->container->resolveEnvPlaceholders($export, "'.\$this->getEnv('%s').'")) {
Chris@0:             $export = $resolvedExport;
Chris@0:             if ("'" === $export[1]) {
Chris@0:                 $export = substr($export, 3);
Chris@0:             }
Chris@0:             if (".''" === substr($export, -3)) {
Chris@0:                 $export = substr($export, 0, -3);
Chris@0:             }
Chris@0:         }
Chris@0: 
Chris@0:         return $export;
Chris@0:     }
Chris@0: }