| 1 |  |  | <?php | 
            
                                                                                                            
                            
            
                                    
            
            
                | 2 |  |  | declare(strict_types = 1); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 3 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 4 |  |  | namespace BrowscapPHP\Helper; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 5 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 6 |  |  | use BrowscapPHP\Cache\BrowscapCacheInterface; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 7 |  |  | use BrowscapPHP\Exception\FileNotFoundException; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 8 |  |  | use BrowscapPHP\IniParser\IniParser; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 9 |  |  | use Psr\Log\LoggerInterface; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 10 |  |  | use Psr\SimpleCache\InvalidArgumentException; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 11 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 12 |  |  | /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 13 |  |  |  * patternHelper to convert the ini data, parses the data and stores them into the cache | 
            
                                                                                                            
                            
            
                                    
            
            
                | 14 |  |  |  */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 15 |  |  | final class Converter implements ConverterInterface | 
            
                                                                                                            
                            
            
                                    
            
            
                | 16 |  |  | { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 17 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 18 |  |  |      * The key to search for in the INI file to find the browscap settings | 
            
                                                                                                            
                            
            
                                    
            
            
                | 19 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 20 |  |  |     private const BROWSCAP_VERSION_KEY = 'GJK_Browscap_Version'; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 21 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 22 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 23 |  |  |      * @var \Psr\Log\LoggerInterface | 
            
                                                                                                            
                            
            
                                    
            
            
                | 24 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 25 |  |  |     private $logger; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 26 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 27 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 28 |  |  |      * The cache instance | 
            
                                                                                                            
                            
            
                                    
            
            
                | 29 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 30 |  |  |      * @var \BrowscapPHP\Cache\BrowscapCacheInterface | 
            
                                                                                                            
                            
            
                                    
            
            
                | 31 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 32 |  |  |     private $cache; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 33 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 34 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 35 |  |  |      * a filesystem patternHelper instance | 
            
                                                                                                            
                            
            
                                    
            
            
                | 36 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 37 |  |  |      * @var Filesystem | 
            
                                                                                                            
                            
            
                                    
            
            
                | 38 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 39 |  |  |     private $filessystem; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 40 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 41 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 42 |  |  |      * version of the ini file | 
            
                                                                                                            
                            
            
                                    
            
            
                | 43 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 44 |  |  |      * @var int | 
            
                                                                                                            
                            
            
                                    
            
            
                | 45 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 46 |  |  |     private $iniVersion = 0; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 47 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 48 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 49 |  |  |      * Converter constructor. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 50 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 51 |  |  |      * @param LoggerInterface        $logger | 
            
                                                                                                            
                            
            
                                    
            
            
                | 52 |  |  |      * @param BrowscapCacheInterface $cache | 
            
                                                                                                            
                            
            
                                    
            
            
                | 53 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 54 | 6 |  |     public function __construct(LoggerInterface $logger, BrowscapCacheInterface $cache) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 55 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 56 | 6 |  |         $this->logger = $logger; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 57 | 6 |  |         $this->cache = $cache; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 58 | 6 |  |         $this->filessystem = new Filesystem(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 59 | 6 |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 60 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 61 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 62 |  |  |      * Sets a filesystem instance | 
            
                                                                                                            
                            
            
                                    
            
            
                | 63 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 64 |  |  |      * @param Filesystem $file | 
            
                                                                                                            
                            
            
                                    
            
            
                | 65 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 66 | 6 |  |     public function setFilesystem(Filesystem $file) : void | 
            
                                                                                                            
                            
            
                                    
            
            
                | 67 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 68 | 6 |  |         $this->filessystem = $file; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 69 | 6 |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 70 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 71 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 72 |  |  |      * converts a file | 
            
                                                                                                            
                            
            
                                    
            
            
                | 73 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 74 |  |  |      * @param string $iniFile | 
            
                                                                                                            
                            
            
                                    
            
            
                | 75 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 76 |  |  |      * @throws FileNotFoundException | 
            
                                                                                                            
                            
            
                                    
            
            
                | 77 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 78 | 2 |  |     public function convertFile(string $iniFile) : void | 
            
                                                                                                            
                            
            
                                    
            
            
                | 79 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 80 | 2 |  |         if (! $this->filessystem->exists($iniFile)) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 81 | 2 |  |             throw FileNotFoundException::fileNotFound($iniFile); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 82 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 83 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 84 |  |  |         $this->logger->info('start reading file'); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 85 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 86 |  |  |         $iniString = file_get_contents($iniFile); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 87 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 88 |  |  |         $this->logger->info('finished reading file'); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 89 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 90 |  |  |         $this->convertString($iniString); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 91 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 92 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 93 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 94 |  |  |      * converts the string content | 
            
                                                                                                            
                            
            
                                    
            
            
                | 95 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 96 |  |  |      * @param string $iniString | 
            
                                                                                                            
                                                                
            
                                    
            
            
                | 97 |  |  |      */ | 
            
                                                                        
                            
            
                                    
            
            
                | 98 | 2 |  |     public function convertString(string $iniString) : void | 
            
                                                                        
                            
            
                                    
            
            
                | 99 |  |  |     { | 
            
                                                                        
                            
            
                                    
            
            
                | 100 | 2 |  |         $iniParser = new IniParser(); | 
            
                                                                        
                            
            
                                    
            
            
                | 101 |  |  |  | 
            
                                                                        
                            
            
                                    
            
            
                | 102 | 2 |  |         $this->logger->info('start creating patterns from the ini data'); | 
            
                                                                        
                            
            
                                    
            
            
                | 103 |  |  |  | 
            
                                                                        
                            
            
                                    
            
            
                | 104 | 2 |  |         foreach ($iniParser->createPatterns($iniString) as $subkey => $content) { | 
            
                                                                        
                            
            
                                    
            
            
                | 105 | 2 |  |             if ('' === $subkey) { | 
            
                                                                        
                            
            
                                    
            
            
                | 106 |  |  |                 continue; | 
            
                                                                        
                            
            
                                    
            
            
                | 107 |  |  |             } | 
            
                                                                        
                            
            
                                    
            
            
                | 108 |  |  |  | 
            
                                                                        
                            
            
                                    
            
            
                | 109 |  |  |             try { | 
            
                                                                        
                            
            
                                    
            
            
                | 110 | 2 |  |                 if (! $this->cache->setItem('browscap.patterns.' . $subkey, $content, true)) { | 
            
                                                                        
                            
            
                                    
            
            
                | 111 |  |  |                     $this->logger->error('could not write pattern data "' . $subkey . '" to the cache'); | 
            
                                                                        
                            
            
                                    
            
            
                | 112 |  |  |                 } | 
            
                                                                        
                            
            
                                    
            
            
                | 113 |  |  |             } catch (InvalidArgumentException $e) { | 
            
                                                                        
                            
            
                                    
            
            
                | 114 |  |  |                 $this->logger->error(new \InvalidArgumentException('an error occured while writing pattern data into the cache', 0, $e)); | 
            
                                                                        
                            
            
                                    
            
            
                | 115 |  |  |             } | 
            
                                                                        
                            
            
                                    
            
            
                | 116 |  |  |         } | 
            
                                                                        
                            
            
                                    
            
            
                | 117 |  |  |  | 
            
                                                                        
                            
            
                                    
            
            
                | 118 | 2 |  |         $this->logger->info('finished creating patterns from the ini data'); | 
            
                                                                        
                            
            
                                    
            
            
                | 119 |  |  |  | 
            
                                                                        
                            
            
                                    
            
            
                | 120 | 2 |  |         $this->logger->info('start creating data from the ini data'); | 
            
                                                                        
                            
            
                                    
            
            
                | 121 |  |  |  | 
            
                                                                        
                            
            
                                    
            
            
                | 122 | 2 |  |         foreach ($iniParser->createIniParts($iniString) as $subkey => $content) { | 
            
                                                                        
                            
            
                                    
            
            
                | 123 | 2 |  |             if ('' === $subkey) { | 
            
                                                                        
                            
            
                                    
            
            
                | 124 |  |  |                 continue; | 
            
                                                                        
                            
            
                                    
            
            
                | 125 |  |  |             } | 
            
                                                                        
                            
            
                                    
            
            
                | 126 |  |  |  | 
            
                                                                        
                            
            
                                    
            
            
                | 127 |  |  |             try { | 
            
                                                                        
                            
            
                                    
            
            
                | 128 | 2 |  |                 if (! $this->cache->setItem('browscap.iniparts.' . $subkey, $content, true)) { | 
            
                                                                        
                            
            
                                    
            
            
                | 129 |  |  |                     $this->logger->error('could not write property data "' . $subkey . '" to the cache'); | 
            
                                                                        
                            
            
                                    
            
            
                | 130 |  |  |                 } | 
            
                                                                        
                            
            
                                    
            
            
                | 131 |  |  |             } catch (InvalidArgumentException $e) { | 
            
                                                                        
                            
            
                                    
            
            
                | 132 |  |  |                 $this->logger->error(new \InvalidArgumentException('an error occured while writing property data into the cache', 0, $e)); | 
            
                                                                        
                            
            
                                    
            
            
                | 133 |  |  |             } | 
            
                                                                        
                            
            
                                    
            
            
                | 134 |  |  |         } | 
            
                                                                        
                            
            
                                    
            
            
                | 135 |  |  |  | 
            
                                                                        
                            
            
                                    
            
            
                | 136 |  |  |         try { | 
            
                                                                        
                            
            
                                    
            
            
                | 137 | 2 |  |             $this->cache->setItem('browscap.releaseDate', $this->getIniReleaseDate($iniString), false); | 
            
                                                                        
                            
            
                                    
            
            
                | 138 |  |  |         } catch (InvalidArgumentException $e) { | 
            
                                                                        
                            
            
                                    
            
            
                | 139 |  |  |             $this->logger->error(new \InvalidArgumentException('an error occured while writing data release date into the cache', 0, $e)); | 
            
                                                                        
                            
            
                                    
            
            
                | 140 |  |  |         } | 
            
                                                                        
                            
            
                                    
            
            
                | 141 |  |  |  | 
            
                                                                        
                            
            
                                    
            
            
                | 142 |  |  |         try { | 
            
                                                                        
                            
            
                                    
            
            
                | 143 | 2 |  |             $this->cache->setItem('browscap.type', $this->getIniType($iniString), false); | 
            
                                                                        
                            
            
                                    
            
            
                | 144 |  |  |         } catch (InvalidArgumentException $e) { | 
            
                                                                        
                            
            
                                    
            
            
                | 145 |  |  |             $this->logger->error(new \InvalidArgumentException('an error occured while writing the data type into the cache', 0, $e)); | 
            
                                                                        
                            
            
                                    
            
            
                | 146 |  |  |         } | 
            
                                                                        
                            
            
                                    
            
            
                | 147 |  |  |  | 
            
                                                                        
                            
            
                                    
            
            
                | 148 | 2 |  |         $this->logger->info('finished creating data from the ini data'); | 
            
                                                                        
                            
            
                                    
            
            
                | 149 | 2 |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 150 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 151 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 152 |  |  |      * Parses the ini data to get the version of loaded ini file | 
            
                                                                                                            
                            
            
                                    
            
            
                | 153 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 154 |  |  |      * @param string $iniString The loaded ini data | 
            
                                                                                                            
                            
            
                                    
            
            
                | 155 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 156 |  |  |      * @return int | 
            
                                                                                                            
                            
            
                                    
            
            
                | 157 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 158 | 1 |  |     public function getIniVersion(string $iniString) : int | 
            
                                                                                                            
                            
            
                                    
            
            
                | 159 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 160 | 1 |  |         $quoterHelper = new Quoter(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 161 | 1 |  |         $key = $quoterHelper->pregQuote(self::BROWSCAP_VERSION_KEY); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 162 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 163 | 1 |  |         if (preg_match('/\.*\[' . $key . '\][^\[]*Version=(\d+)\D.*/', $iniString, $matches)) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 164 | 1 |  |             if (isset($matches[1])) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 165 | 1 |  |                 $this->iniVersion = (int) $matches[1]; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 166 |  |  |             } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 167 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 168 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 169 | 1 |  |         return $this->iniVersion; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 170 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 171 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 172 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 173 |  |  |      * sets the version | 
            
                                                                                                            
                            
            
                                    
            
            
                | 174 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 175 |  |  |      * @param int $version | 
            
                                                                                                            
                            
            
                                    
            
            
                | 176 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 177 |  |  |     public function setVersion(int $version) : void | 
            
                                                                                                            
                            
            
                                    
            
            
                | 178 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 179 |  |  |         $this->iniVersion = $version; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 180 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 181 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 182 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 183 |  |  |      * stores the version of the ini file into cache | 
            
                                                                                                            
                            
            
                                    
            
            
                | 184 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 185 |  |  |     public function storeVersion() : void | 
            
                                                                                                            
                            
            
                                    
            
            
                | 186 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 187 |  |  |         try { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 188 |  |  |             $this->cache->setItem('browscap.version', $this->iniVersion, false); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 189 |  |  |         } catch (InvalidArgumentException $e) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 190 |  |  |             $this->logger->error(new \InvalidArgumentException('an error occured while writing the data version into the cache', 0, $e)); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 191 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 192 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 193 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 194 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 195 |  |  |      * Parses the ini data to get the releaseDate of loaded ini file | 
            
                                                                                                            
                            
            
                                    
            
            
                | 196 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 197 |  |  |      * @param string $iniString The loaded ini data | 
            
                                                                                                            
                            
            
                                    
            
            
                | 198 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 199 |  |  |      * @return string|null | 
            
                                                                                                            
                            
            
                                    
            
            
                | 200 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 201 | 2 |  |     private function getIniReleaseDate(string $iniString) : ?string | 
            
                                                                                                            
                            
            
                                    
            
            
                | 202 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 203 | 2 |  |         if (preg_match('/Released=(.*)/', $iniString, $matches)) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 204 | 2 |  |             if (isset($matches[1])) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 205 | 2 |  |                 return $matches[1]; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 206 |  |  |             } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 207 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 208 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 209 |  |  |         return null; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 210 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 211 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 212 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 213 |  |  |      * Parses the ini data to get the releaseDate of loaded ini file | 
            
                                                                                                            
                            
            
                                    
            
            
                | 214 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 215 |  |  |      * @param string $iniString The loaded ini data | 
            
                                                                                                            
                            
            
                                    
            
            
                | 216 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 217 |  |  |      * @return string|null | 
            
                                                                                                            
                            
            
                                    
            
            
                | 218 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 219 | 2 |  |     private function getIniType(string $iniString) : ?string | 
            
                                                                                                            
                            
            
                                    
            
            
                | 220 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 221 | 2 |  |         if (preg_match('/Type=(.*)/', $iniString, $matches)) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 222 | 2 |  |             if (isset($matches[1])) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 223 | 2 |  |                 return $matches[1]; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 224 |  |  |             } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 225 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 226 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 227 |  |  |         return null; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 228 |  |  |     } | 
            
                                                                                                            
                                                                
            
                                    
            
            
                | 229 |  |  | } | 
            
                                                        
            
                                    
            
            
                | 230 |  |  |  |