| 1 |  |  | <?php | 
            
                                                                                                            
                            
            
                                    
            
            
                | 2 |  |  | /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 3 |  |  |  * @link https://www.github.com/tinydots/craft-front-matter | 
            
                                                                                                            
                            
            
                                    
            
            
                | 4 |  |  |  * @copyright Copyright (c) Mike Pepper | 
            
                                                                                                            
                            
            
                                    
            
            
                | 5 |  |  |  * @license MIT | 
            
                                                                                                            
                            
            
                                    
            
            
                | 6 |  |  |  */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 7 |  |  | namespace tinydots\frontmatter\services; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 8 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 9 |  |  | use craft\base\Component; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 10 |  |  | use craft\web\twig\TemplateLoaderException; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 11 |  |  | use Mni\FrontYAML\Document; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 12 |  |  | use Mni\FrontYAML\Parser; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 13 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 14 |  |  | class FrontMatterService extends Component | 
            
                                                                                                            
                            
            
                                    
            
            
                | 15 |  |  | { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 16 |  |  |     /** @var Parser The FrontYAML parser instance */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 17 |  |  |     protected $_parser; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 18 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 19 |  |  |     /** @var array */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 20 |  |  |     protected $_cache; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 21 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 22 |  |  |     public function init() | 
            
                                                                                                            
                            
            
                                    
            
            
                | 23 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 24 |  |  |         parent::init(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 25 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 26 |  |  |         $this->_parser = new Parser(null, null, '{#---', '---#}'); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 27 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 28 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 29 |  |  |     public function getParser() | 
            
                                                                                                            
                            
            
                                    
            
            
                | 30 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 31 |  |  |         return $this->_parser; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 32 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 33 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 34 |  |  |     public function parseString(string $string): Document | 
            
                                                                                                            
                            
            
                                    
            
            
                | 35 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 36 |  |  |         $key = md5($string); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 37 |  |  |         if (!isset($this->_cache[$key])) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 38 |  |  |             $this->_cache[$key] = $this->getParser()->parse($string, false); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 39 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 40 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 41 |  |  |         return $this->_cache[$key]; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 42 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 43 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 44 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 45 |  |  |      * @param $templatePath | 
            
                                                                                                            
                            
            
                                    
            
            
                | 46 |  |  |      * @return Document | 
            
                                                                                                            
                            
            
                                    
            
            
                | 47 |  |  |      * @throws TemplateLoaderException | 
            
                                                                                                            
                            
            
                                    
            
            
                | 48 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 49 |  |  |     public function parseTemplate($templatePath): Document | 
            
                                                                                                            
                            
            
                                    
            
            
                | 50 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 51 |  |  |         $path = $this->_resolveTemplate($templatePath); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 52 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 53 |  |  |         $contents = file_get_contents($path); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 54 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 55 |  |  |         return $this->parseString($contents); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 56 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 57 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 58 |  |  |     // Private Methods | 
            
                                                                                                            
                            
            
                                    
            
            
                | 59 |  |  |     // ========================================================================= | 
            
                                                                                                            
                            
            
                                    
            
            
                | 60 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 61 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 62 |  |  |      * Returns the path to a given template, or throws a TemplateLoaderException. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 63 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 64 |  |  |      * @param string $name | 
            
                                                                                                            
                            
            
                                    
            
            
                | 65 |  |  |      * @return string | 
            
                                                                                                            
                            
            
                                    
            
            
                | 66 |  |  |      * @throws TemplateLoaderException if the template doesn’t exist | 
            
                                                                                                            
                                                                
            
                                    
            
            
                | 67 |  |  |      */ | 
            
                                                        
            
                                    
            
            
                | 68 |  |  |     private function _resolveTemplate(string $name) | 
            
                                                        
            
                                    
            
            
                | 69 |  |  |     { | 
            
                                                        
            
                                    
            
            
                | 70 |  |  |         $template = \Craft::$app->getView()->resolveTemplate($name); | 
            
                                                        
            
                                    
            
            
                | 71 |  |  |  | 
            
                                                        
            
                                    
            
            
                | 72 |  |  |         if ($template !== false) { | 
            
                                                        
            
                                    
            
            
                | 73 |  |  |             return $template; | 
            
                                                        
            
                                    
            
            
                | 74 |  |  |         } | 
            
                                                        
            
                                    
            
            
                | 75 |  |  |  | 
            
                                                        
            
                                    
            
            
                | 76 |  |  |         throw new TemplateLoaderException($name, Craft::t('app', 'Unable to find the template “{template}”.', ['template' => $name])); | 
                            
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                | 77 |  |  |     } | 
            
                                                        
            
                                    
            
            
                | 78 |  |  | } |