| 1 |  |  | <?php | 
            
                                                                                                            
                            
            
                                    
            
            
                | 2 |  |  | namespace vipnytt\RobotsTxtParser\Handler; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 3 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 4 |  |  | use vipnytt\RobotsTxtParser\RobotsTxtInterface; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 5 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 6 |  |  | /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 7 |  |  |  * Class EncodingHandler | 
            
                                                                                                            
                            
            
                                    
            
            
                | 8 |  |  |  * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 9 |  |  |  * @package vipnytt\RobotsTxtParser\Handler | 
            
                                                                                                            
                            
            
                                    
            
            
                | 10 |  |  |  */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 11 |  |  | class EncodingHandler implements RobotsTxtInterface | 
            
                                                                                                            
                            
            
                                    
            
            
                | 12 |  |  | { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 13 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 14 |  |  |      * Errors | 
            
                                                                                                            
                            
            
                                    
            
            
                | 15 |  |  |      * @var array | 
            
                                                                                                            
                            
            
                                    
            
            
                | 16 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 17 |  |  |     protected $errors = []; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 18 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 19 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 20 |  |  |      * String to convert | 
            
                                                                                                            
                            
            
                                    
            
            
                | 21 |  |  |      * @var string | 
            
                                                                                                            
                            
            
                                    
            
            
                | 22 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 23 |  |  |     private $string; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 24 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 25 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 26 |  |  |      * String encoding | 
            
                                                                                                            
                            
            
                                    
            
            
                | 27 |  |  |      * @var string | 
            
                                                                                                            
                            
            
                                    
            
            
                | 28 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 29 |  |  |     private $encoding; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 30 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 31 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 32 |  |  |      * EncodingHandler constructor. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 33 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 34 |  |  |      * @param string $string | 
            
                                                                                                            
                            
            
                                    
            
            
                | 35 |  |  |      * @param string $encoding | 
            
                                                                                                            
                            
            
                                    
            
            
                | 36 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 37 |  |  |     public function __construct($string, $encoding) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 38 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 39 |  |  |         $this->string = $string; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 40 |  |  |         $this->encoding = $encoding; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 41 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 42 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 43 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 44 |  |  |      * Auto mode | 
            
                                                                                                            
                            
            
                                    
            
            
                | 45 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 46 |  |  |      * @return string|false | 
            
                                                                                                            
                            
            
                                    
            
            
                | 47 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 48 |  |  |     public function auto() | 
            
                                                                                                            
                            
            
                                    
            
            
                | 49 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 50 |  |  |         if (strtoupper($this->encoding) === self::ENCODING) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 51 |  |  |             return $this->string; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 52 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 53 |  |  |         set_error_handler([$this, 'customErrorHandler'], E_NOTICE | E_WARNING); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 54 |  |  |         foreach ([ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 55 |  |  |                      'intl', | 
            
                                                                                                            
                            
            
                                    
            
            
                | 56 |  |  |                      'iconv', | 
            
                                                                                                            
                            
            
                                    
            
            
                | 57 |  |  |                      'xml', | 
            
                                                                                                            
                            
            
                                    
            
            
                | 58 |  |  |                      'mbstring', | 
            
                                                                                                            
                            
            
                                    
            
            
                | 59 |  |  |                  ] as $extension | 
            
                                                                                                            
                            
            
                                    
            
            
                | 60 |  |  |         ) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 61 |  |  |             $last = end($this->errors); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 62 |  |  |             if ( | 
            
                                                                                                            
                            
            
                                    
            
            
                | 63 |  |  |                 extension_loaded($extension) && | 
            
                                                                                                            
                            
            
                                    
            
            
                | 64 |  |  |                 ($result = call_user_func([$this, $extension])) !== false && | 
            
                                                                                                            
                            
            
                                    
            
            
                | 65 |  |  |                 $last === end($this->errors) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 66 |  |  |             ) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 67 |  |  |                 restore_error_handler(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 68 |  |  |                 return $result; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 69 |  |  |             } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 70 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 71 |  |  |         restore_error_handler(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 72 |  |  |         return false; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 73 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 74 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 75 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 76 |  |  |      * intl | 
            
                                                                                                            
                            
            
                                    
            
            
                | 77 |  |  |      * @link http://php.net/manual/en/uconverter.convert.php | 
            
                                                                                                            
                            
            
                                    
            
            
                | 78 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 79 |  |  |      * @return string|false | 
            
                                                                                                            
                            
            
                                    
            
            
                | 80 |  |  |      */ | 
            
                                                                                                            
                            
            
                                                                    
                                                                                                        
            
            
                | 81 |  | View Code Duplication |     public function intl() | 
                            
                    |  |  |  | 
                                                                                        
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                | 82 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 83 |  |  |         try { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 84 |  |  |             $uConverter = new \UConverter(self::ENCODING, $this->encoding); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 85 |  |  |             $converted = $uConverter->convert($this->string); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 86 |  |  |         } catch (\Exception $e) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 87 |  |  |             return false; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 88 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 89 |  |  |         mb_internal_encoding(self::ENCODING); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 90 |  |  |         return $converted; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 91 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 92 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 93 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 94 |  |  |      * iconv | 
            
                                                                                                            
                            
            
                                    
            
            
                | 95 |  |  |      * @link http://php.net/manual/en/function.iconv.php | 
            
                                                                                                            
                            
            
                                    
            
            
                | 96 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 97 |  |  |      * @param string $outSuffix | 
            
                                                                                                            
                            
            
                                    
            
            
                | 98 |  |  |      * @return string|false | 
            
                                                                                                            
                            
            
                                    
            
            
                | 99 |  |  |      */ | 
            
                                                                                                            
                            
            
                                                                    
                                                                                                        
            
            
                | 100 |  | View Code Duplication |     public function iconv($outSuffix = '//TRANSLIT//IGNORE') | 
                            
                    |  |  |  | 
                                                                                        
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                | 101 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 102 |  |  |         try { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 103 |  |  |             $converted = iconv($this->encoding, self::ENCODING . $outSuffix, $this->string); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 104 |  |  |         } catch (\Exception $e) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 105 |  |  |             return false; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 106 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 107 |  |  |         mb_internal_encoding(self::ENCODING); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 108 |  |  |         return $converted; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 109 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 110 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 111 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 112 |  |  |      * xml | 
            
                                                                                                            
                            
            
                                    
            
            
                | 113 |  |  |      * @link http://php.net/manual/en/function.utf8-encode.php | 
            
                                                                                                            
                            
            
                                    
            
            
                | 114 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 115 |  |  |      * @return string|false | 
            
                                                                                                            
                            
            
                                    
            
            
                | 116 |  |  |      */ | 
            
                                                                                                            
                            
            
                                                                    
                                                                                                        
            
            
                | 117 |  | View Code Duplication |     public function xml() | 
                            
                    |  |  |  | 
                                                                                        
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                | 118 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 119 |  |  |         if (strtoupper($this->encoding) !== 'ISO-8859-1') { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 120 |  |  |             return false; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 121 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 122 |  |  |         try { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 123 |  |  |             $converted = utf8_encode($this->string); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 124 |  |  |         } catch (\Exception $e) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 125 |  |  |             return false; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 126 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 127 |  |  |         mb_internal_encoding(self::ENCODING); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 128 |  |  |         return $converted; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 129 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 130 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 131 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 132 |  |  |      * mbstring | 
            
                                                                                                            
                            
            
                                    
            
            
                | 133 |  |  |      * @link http://php.net/manual/en/function.mb-convert-encoding.php | 
            
                                                                                                            
                            
            
                                    
            
            
                | 134 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 135 |  |  |      * @param array|string|null $fromOverride | 
            
                                                                                                            
                            
            
                                    
            
            
                | 136 |  |  |      * @return string|false | 
            
                                                                                                            
                                                                
            
                                    
            
            
                | 137 |  |  |      */ | 
            
                                                                        
                            
            
                                    
            
            
                | 138 |  |  |     public function mbstring($fromOverride = null) | 
            
                                                                        
                            
            
                                    
            
            
                | 139 |  |  |     { | 
            
                                                                        
                            
            
                                    
            
            
                | 140 |  |  |         try { | 
            
                                                                        
                            
            
                                    
            
            
                | 141 |  |  |             $converted = mb_convert_encoding($this->string, self::ENCODING, $fromOverride === null ? $this->encoding : $fromOverride); | 
            
                                                                        
                            
            
                                    
            
            
                | 142 |  |  |         } catch (\Exception $e) { | 
            
                                                                        
                            
            
                                    
            
            
                | 143 |  |  |             return false; | 
            
                                                                        
                            
            
                                    
            
            
                | 144 |  |  |         } | 
            
                                                                        
                            
            
                                    
            
            
                | 145 |  |  |         mb_internal_encoding(self::ENCODING); | 
            
                                                                        
                            
            
                                    
            
            
                | 146 |  |  |         return $converted; | 
            
                                                                        
                            
            
                                    
            
            
                | 147 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 148 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 149 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 150 |  |  |      * Custom error handler | 
            
                                                                                                            
                            
            
                                    
            
            
                | 151 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 152 |  |  |      * @param int $errNo | 
            
                                                                                                            
                            
            
                                    
            
            
                | 153 |  |  |      * @param string $errStr | 
            
                                                                                                            
                            
            
                                    
            
            
                | 154 |  |  |      * @param string $errFile | 
            
                                                                                                            
                            
            
                                    
            
            
                | 155 |  |  |      * @param string $errLine | 
            
                                                                                                            
                            
            
                                    
            
            
                | 156 |  |  |      * @return bool | 
            
                                                                                                            
                            
            
                                    
            
            
                | 157 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 158 |  |  |     protected function customErrorHandler($errNo, $errStr, $errFile, $errLine) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 159 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 160 |  |  |         switch ($errNo) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 161 |  |  |             case E_NOTICE: | 
            
                                                                                                            
                            
            
                                    
            
            
                | 162 |  |  |             case E_WARNING: | 
            
                                                                                                            
                            
            
                                    
            
            
                | 163 |  |  |                 $this->errors[] = "lvl: " . $errNo . " | msg:" . $errStr . " | file:" . $errFile . " | ln:" . $errLine; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 164 |  |  |                 return true; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 165 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 166 |  |  |         return false; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 167 |  |  |     } | 
            
                                                                                                            
                                                                
            
                                    
            
            
                | 168 |  |  | } | 
            
                                                        
            
                                    
            
            
                | 169 |  |  |  | 
            
                        
Duplicated code is one of the most pungent code smells. If you need to duplicate the same code in three or more different places, we strongly encourage you to look into extracting the code into a single class or operation.
You can also find more detailed suggestions in the “Code” section of your repository.