| 1 |  |  | <?php | 
            
                                                                                                            
                            
            
                                    
            
            
                | 2 |  |  | /****************************************************************************** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 3 |  |  |  * An implementation of dicto (scg.unibe.ch/dicto) in and for PHP. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 4 |  |  |  *  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 5 |  |  |  * Copyright (c) 2016 Richard Klees <[email protected]> | 
            
                                                                                                            
                            
            
                                    
            
            
                | 6 |  |  |  * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 7 |  |  |  * This software is licensed under The MIT License. You should have received  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 8 |  |  |  * a copy of the licence along with the code. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 9 |  |  |  */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 10 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 11 |  |  | namespace Lechimp\Dicto\App; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 12 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 13 |  |  | use Lechimp\Dicto\App\RuleFromFSLoader; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 14 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 15 |  |  | use Symfony\Component\Yaml\Yaml; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 16 |  |  | use Pimple\Container; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 17 |  |  | use PhpParser\ParserFactory; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 18 |  |  | use Doctrine\DBAL\DriverManager; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 19 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 20 |  |  | /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 21 |  |  |  * The App to be run from a script. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 22 |  |  |  */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 23 |  |  | class App { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 24 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 25 |  |  |      * @var Container | 
            
                                                                                                            
                            
            
                                    
            
            
                | 26 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 27 |  |  |     protected $dic; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 28 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 29 |  |  |     public function __construct(\Closure $postprocess_dic = null) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 30 |  |  |         if ($postprocess_dic === null) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 31 |  |  |             $postprocess_dic = function($c) { return $c; }; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 32 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 33 |  |  |         $this->dic = $this->create_dic($postprocess_dic);  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 34 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 35 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 36 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 37 |  |  |      * Run the app. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 38 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 39 |  |  |      * @param   array   $params     from commandline | 
            
                                                                                                            
                            
            
                                    
            
            
                | 40 |  |  |      * @return  null | 
            
                                                                                                            
                            
            
                                    
            
            
                | 41 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 42 |  |  |     public function run(array $params) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 43 |  |  |         if (count($params) < 2) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 44 |  |  |             throw new \RuntimeException( | 
            
                                                                                                            
                            
            
                                    
            
            
                | 45 |  |  |                 "Expected path to rule-file as first parameter."); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 46 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 47 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 48 |  |  |         $configs = array(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 49 |  |  |         list($ruleset, $configs[]) = $this->load_rules_file($params[1]); | 
                            
                    |  |  |  | 
                                                                                        
                                                                                     | 
            
                                                                                                            
                            
            
                                    
            
            
                | 50 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 51 |  |  |         // drop programm name and rule file path | 
            
                                                                                                            
                            
            
                                    
            
            
                | 52 |  |  |         array_shift($params); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 53 |  |  |         array_shift($params); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 54 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 55 |  |  |         $this->load_extra_configs($params, $configs); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 56 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 57 |  |  |         $this->dic["config"] = $this->create_config($configs); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 58 |  |  |         $this->dic["engine"]->run(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 59 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 60 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 61 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 62 |  |  |      * Load rules and initial config from a *.php-file. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 63 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 64 |  |  |      * @param   string  $path | 
            
                                                                                                            
                            
            
                                    
            
            
                | 65 |  |  |      * @return  array   ($ruleset, $config) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 66 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 67 |  |  |     protected function load_rules_file($path) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 68 |  |  |         if (!file_exists($path)) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 69 |  |  |             throw new \RuntimeException("Unknown rule-file '$path'"); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 70 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 71 |  |  |         $rule_loader = $this->dic["rule_loader"]; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 72 |  |  |         list($ruleset, $config) = $rule_loader->load_rules_from($path); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 73 |  |  |         assert('is_array($config)'); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 74 |  |  |         assert('$ruleset instanceof \\Lechimp\\Dicto\\Definition\\RuleSet'); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 75 |  |  |         return array($ruleset, $config); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 76 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 77 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 78 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 79 |  |  |      * Load extra configs from yaml files. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 80 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 81 |  |  |      * @param   array   $config_file_paths | 
            
                                                                                                            
                            
            
                                    
            
            
                | 82 |  |  |      * @param   &array  $configs_array | 
                            
                    |  |  |  | 
                                                                                        
                                                                                     | 
            
                                                                                                            
                            
            
                                    
            
            
                | 83 |  |  |      * @return  null | 
            
                                                                                                            
                                                                
            
                                    
            
            
                | 84 |  |  |      */ | 
            
                                                                        
                            
            
                                    
            
            
                | 85 |  |  |     protected function load_extra_configs(array $config_file_paths, array &$configs_array) { | 
                            
                    |  |  |  | 
                                                                                        
                                                                                     | 
            
                                                                        
                            
            
                                    
            
            
                | 86 |  |  |         foreach ($config_file_paths as $config_file) { | 
            
                                                                        
                            
            
                                    
            
            
                | 87 |  |  |             if (!file_exists($config_file)) { | 
            
                                                                        
                            
            
                                    
            
            
                | 88 |  |  |                 throw new \RuntimeException("Unknown config-file '$config_file'"); | 
            
                                                                        
                            
            
                                    
            
            
                | 89 |  |  |             } | 
            
                                                                        
                            
            
                                    
            
            
                | 90 |  |  |             $configs[] = Yaml::parse(file_get_contents($config_file)); | 
                            
                    |  |  |  | 
                                                                                        
                                                                                     | 
            
                                                                        
                            
            
                                    
            
            
                | 91 |  |  |         } | 
            
                                                                        
                            
            
                                    
            
            
                | 92 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 93 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 94 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 95 |  |  |      * Create a validated config from arrays containing config chunks. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 96 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 97 |  |  |      * @param   array[] $configs | 
            
                                                                                                            
                            
            
                                    
            
            
                | 98 |  |  |      * @return  Config | 
            
                                                                                                            
                            
            
                                    
            
            
                | 99 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 100 |  |  |     protected function create_config(array $configs) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 101 |  |  |         return new Config($configs); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 102 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 103 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 104 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 105 |  |  |      * Create and initialize the DI-container. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 106 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 107 |  |  |      * @param   \Closure    $postprocess_dic    Closure to postprocess the DI. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 108 |  |  |      * @return  Container | 
            
                                                                                                            
                            
            
                                    
            
            
                | 109 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 110 |  |  |     protected function create_dic(\Closure $postprocess_dic) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 111 |  |  |         $container = new Container(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 112 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 113 |  |  |         $container["rule_loader"] = function($c) { | 
                            
                    |  |  |  | 
                                                                                        
                                                                                     | 
            
                                                                                                            
                            
            
                                    
            
            
                | 114 |  |  |             return new RuleFromFSLoader();  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 115 |  |  |         }; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 116 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 117 |  |  |         $container["engine"] = function($c) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 118 |  |  |             return new Engine($c["config"], $c["indexer"], $c["database"]); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 119 |  |  |         }; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 120 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 121 |  |  |         $container["indexer"] = function($c) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 122 |  |  |             return new \Lechimp\Dicto\Indexer\PhpParser\Indexer($c["php_parser"]); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 123 |  |  |         }; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 124 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 125 |  |  |         $container["php_parser"] = function($c) { | 
                            
                    |  |  |  | 
                                                                                        
                                                                                     | 
            
                                                                                                            
                            
            
                                    
            
            
                | 126 |  |  |             return (new ParserFactory)->create(ParserFactory::PREFER_PHP7); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 127 |  |  |         }; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 128 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 129 |  |  |         $container["database"] = function($c) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 130 |  |  |             $db = new DB($c["connection"]); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 131 |  |  |             $db->init_sqlite_regexp(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 132 |  |  |             $db->maybe_init_database_schema(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 133 |  |  |         }; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 134 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 135 |  |  |         $container["connection"] = function($c) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 136 |  |  |             return DriverManager::getConnection | 
            
                                                                                                            
                            
            
                                    
            
            
                | 137 |  |  |                 ( array | 
            
                                                                                                            
                            
            
                                    
            
            
                | 138 |  |  |                     ( "driver" => "pdo_sqlite" | 
            
                                                                                                            
                            
            
                                    
            
            
                | 139 |  |  |                     , "memory" => $c["config"]->sqlite_memory() | 
            
                                                                                                            
                            
            
                                    
            
            
                | 140 |  |  |                     , "path" => $c["config"]->sqlite_path() | 
            
                                                                                                            
                            
            
                                    
            
            
                | 141 |  |  |                     ) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 142 |  |  |                 ); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 143 |  |  |         }; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 144 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 145 |  |  |         $container = $postprocess_dic($container); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 146 |  |  |         if (!($container instanceof Container)) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 147 |  |  |             throw new \RuntimeException | 
            
                                                                                                            
                            
            
                                    
            
            
                | 148 |  |  |                 ("DIC postprocessor did not return a Container."); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 149 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 150 |  |  |         return $container; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 151 |  |  |     } | 
            
                                                                                                            
                                                                
            
                                    
            
            
                | 152 |  |  | } | 
            
                                                        
            
                                    
            
            
                | 153 |  |  |  | 
            
                        
This checks looks for assignemnts to variables using the
list(...)function, where not all assigned variables are subsequently used.Consider the following code example.
Only the variables
$aand$care used. There was no need to assign$b.Instead, the list call could have been.