| 1 |  |  | <?php | 
            
                                                                                                            
                            
            
                                    
            
            
                | 2 |  |  | declare(strict_types = 1); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 3 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 4 |  |  | namespace Phauthentic\Presentation\Renderer; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 5 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 6 |  |  | use Phauthentic\Presentation\Renderer\Exception\MissingTemplateException; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 7 |  |  | use Phauthentic\Presentation\View\ViewInterface; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 8 |  |  | use LightnCandy\LightnCandy; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 9 |  |  | use Psr\Cache\CacheItemPoolInterface; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 10 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 11 |  |  | /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 12 |  |  |  * php Lightncandy template engine adapter | 
            
                                                                                                            
                            
            
                                    
            
            
                | 13 |  |  |  * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 14 |  |  |  * @link https://github.com/zordius/lightncandy | 
            
                                                                                                            
                            
            
                                    
            
            
                | 15 |  |  |  */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 16 |  |  | class LightnCandyRenderer implements RendererInterface | 
            
                                                                                                            
                            
            
                                    
            
            
                | 17 |  |  | { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 18 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 19 |  |  |      * Root folder for the template files | 
            
                                                                                                            
                            
            
                                    
            
            
                | 20 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 21 |  |  |      * @var string | 
            
                                                                                                            
                            
            
                                    
            
            
                | 22 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 23 |  |  |     protected $templateRoot; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 24 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 25 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 26 |  |  |      * @var \Psr\Cache\CacheItemPoolInterface | 
            
                                                                                                            
                            
            
                                    
            
            
                | 27 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 28 |  |  |     protected $cache; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 29 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 30 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 31 |  |  |      * Flags | 
            
                                                                                                            
                            
            
                                    
            
            
                | 32 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 33 |  |  |      * @var array | 
            
                                                                                                            
                            
            
                                    
            
            
                | 34 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 35 |  |  |     protected $flags = []; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 36 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 37 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 38 |  |  |      * Helpers | 
            
                                                                                                            
                            
            
                                    
            
            
                | 39 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 40 |  |  |      * @var array | 
            
                                                                                                            
                            
            
                                    
            
            
                | 41 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 42 |  |  |     protected $helpers = []; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 43 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 44 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 45 |  |  |      * Constructor | 
            
                                                                                                            
                            
            
                                    
            
            
                | 46 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 47 |  |  |      * @param string $templateRoot Template Root | 
            
                                                                                                            
                            
            
                                    
            
            
                | 48 |  |  |      * @param|null \Psr\Cache\CacheItemPoolInterface $cacheItemPool PSR Cache Item Pool | 
            
                                                                                                            
                            
            
                                    
            
            
                | 49 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 50 |  |  |     public function __construct( | 
            
                                                                                                            
                            
            
                                    
            
            
                | 51 |  |  |         string $templateRoot, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 52 |  |  |         ?CacheItemPoolInterface $cacheItemPool | 
            
                                                                                                            
                            
            
                                    
            
            
                | 53 |  |  |     ) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 54 |  |  |         $this->templateRoot = $templateRoot; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 55 |  |  |         $this->cache = $cacheItemPool; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 56 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 57 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 58 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 59 |  |  |      * Set flags | 
            
                                                                                                            
                            
            
                                    
            
            
                | 60 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 61 |  |  |      * @param array $flags Flags | 
            
                                                                                                            
                            
            
                                    
            
            
                | 62 |  |  |      * @return $this | 
            
                                                                                                            
                            
            
                                    
            
            
                | 63 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 64 |  |  |     public function setFlags(array $flags): self | 
            
                                                                                                            
                            
            
                                    
            
            
                | 65 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 66 |  |  |         $this->flags = $flags; | 
                            
                    |  |  |  | 
                                                                                        
                                                                                     | 
            
                                                                                                            
                            
            
                                    
            
            
                | 67 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 68 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 69 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 70 |  |  |      * Sets the helpers | 
            
                                                                                                            
                            
            
                                    
            
            
                | 71 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 72 |  |  |      * @param array $helpers Helpers | 
            
                                                                                                            
                            
            
                                    
            
            
                | 73 |  |  |      * @return $this | 
            
                                                                                                            
                            
            
                                    
            
            
                | 74 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 75 |  |  |     public function setHelpers(array $helpers) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 76 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 77 |  |  |         $this->helpers = $helpers; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 78 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 79 |  |  |         return $this; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 80 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 81 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 82 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 83 |  |  |      * @param string $name Name | 
            
                                                                                                            
                            
            
                                    
            
            
                | 84 |  |  |      * @param mixed $helper | 
            
                                                                                                            
                            
            
                                    
            
            
                | 85 |  |  |      * @return $this; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 86 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 87 |  |  |     public function addHelper(string $name, $helper) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 88 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 89 |  |  |         $this->helpers[$name] = $helper; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 90 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 91 |  |  |         return $this; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 92 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 93 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 94 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 95 |  |  |      * Gets the template file from the view DTO object | 
            
                                                                                                            
                            
            
                                    
            
            
                | 96 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 97 |  |  |      * @param \Phauthentic\Presentation\Renderer\ViewInterface | 
            
                                                                                                            
                            
            
                                    
            
            
                | 98 |  |  |      * @return string | 
            
                                                                                                            
                                                                
            
                                    
            
            
                | 99 |  |  |      */ | 
            
                                                                        
                            
            
                                    
            
            
                | 100 |  |  |     public function getTemplateFile(ViewInterface $view): string | 
            
                                                                        
                            
            
                                    
            
            
                | 101 |  |  |     { | 
            
                                                                        
                            
            
                                    
            
            
                | 102 |  |  |         $path = $view->getTemplatePath(); | 
            
                                                                        
                            
            
                                    
            
            
                | 103 |  |  |         $path = Utility::sanitizePath($path); | 
            
                                                                        
                            
            
                                    
            
            
                | 104 |  |  |  | 
            
                                                                        
                            
            
                                    
            
            
                | 105 |  |  |         $template = $this->templateRoot . DIRECTORY_SEPARATOR . $path .  $view->getTemplate() . '.html'; | 
            
                                                                        
                            
            
                                    
            
            
                | 106 |  |  |  | 
            
                                                                        
                            
            
                                    
            
            
                | 107 |  |  |         if (!is_file($template)) { | 
            
                                                                        
                            
            
                                    
            
            
                | 108 |  |  |             throw new MissingTemplateException('Template file missing: ' . $template); | 
            
                                                                        
                            
            
                                    
            
            
                | 109 |  |  |         } | 
            
                                                                        
                            
            
                                    
            
            
                | 110 |  |  |  | 
            
                                                                        
                            
            
                                    
            
            
                | 111 |  |  |         return $template; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 112 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 113 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 114 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 115 |  |  |      * @inheritDoc | 
            
                                                                                                            
                            
            
                                    
            
            
                | 116 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 117 |  |  |     public function renderTemplate($template, $viewVars): string | 
            
                                                                                                            
                            
            
                                    
            
            
                | 118 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 119 |  |  |         $tmpDir = sys_get_temp_dir(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 120 |  |  |         $templateHash = hash_file('sha1', $template); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 121 |  |  |         $cachedTemplateFile = $tmpDir . DIRECTORY_SEPARATOR . sha1($template) . '-' . $templateHash; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 122 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 123 |  |  |         if (!file_exists($cachedTemplateFile)) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 124 |  |  |             $templateString = file_get_contents($template); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 125 |  |  |             $phpTemplateString = LightnCandy::compile($templateString, [ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 126 |  |  |                 'flags' => $this->flags, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 127 |  |  |                 'helpers' => $this->helpers | 
            
                                                                                                            
                            
            
                                    
            
            
                | 128 |  |  |             ]); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 129 |  |  |             file_put_contents($cachedTemplateFile, '<?php ' . $phpTemplateString . '?>'); | 
                            
                    |  |  |  | 
                                                                                        
                                                                                     | 
            
                                                                                                            
                            
            
                                    
            
            
                | 130 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 131 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 132 |  |  |         ob_start(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 133 |  |  |         $renderer = require $cachedTemplateFile; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 134 |  |  |         $content = $renderer($viewVars); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 135 |  |  |         ob_end_clean(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 136 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 137 |  |  |         return $content; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 138 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 139 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 140 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 141 |  |  |      * @inheritDoc | 
            
                                                                                                            
                            
            
                                    
            
            
                | 142 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 143 |  |  |     public function render(ViewInterface $view): string | 
            
                                                                                                            
                            
            
                                    
            
            
                | 144 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 145 |  |  |         $template = $this->getTemplateFile($view); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 146 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 147 |  |  |         return $this->renderTemplate($template, $view->getViewVars()); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 148 |  |  |     } | 
            
                                                                                                            
                                                                
            
                                    
            
            
                | 149 |  |  | } | 
            
                                                        
            
                                    
            
            
                | 150 |  |  |  | 
            
                        
For hinted functions/methods where all return statements with the correct type are only reachable via conditions, ?null? gets implicitly returned which may be incompatible with the hinted type. Let?s take a look at an example: