| 1 |  |  | <?php | 
            
                                                                                                            
                            
            
                                    
            
            
                | 2 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 3 |  |  | namespace Wikibase\DataModel\Term; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 4 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 5 |  |  | use InvalidArgumentException; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 6 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 7 |  |  | /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 8 |  |  |  * Immutable value object. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 9 |  |  |  * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 10 |  |  |  * @since 2.4.0 | 
            
                                                                                                            
                            
            
                                    
            
            
                | 11 |  |  |  * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 12 |  |  |  * @license GPL-2.0+ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 13 |  |  |  * @author Jan Zerebecki < [email protected] > | 
            
                                                                                                            
                            
            
                                    
            
            
                | 14 |  |  |  */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 15 |  |  | class TermFallback extends Term { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 16 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 17 |  |  | 	/** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 18 |  |  | 	 * @var string Actual language of the text. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 19 |  |  | 	 */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 20 |  |  | 	private $actualLanguageCode; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 21 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 22 |  |  | 	/** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 23 |  |  | 	 * @var string|null Source language if the text is a transliteration. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 24 |  |  | 	 */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 25 |  |  | 	private $sourceLanguageCode; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 26 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 27 |  |  | 	/** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 28 |  |  | 	 * @param string $requestedLanguageCode Requested language, not necessarily the language of the | 
            
                                                                                                            
                            
            
                                    
            
            
                | 29 |  |  | 	 * text. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 30 |  |  | 	 * @param string $text | 
            
                                                                                                            
                            
            
                                    
            
            
                | 31 |  |  | 	 * @param string $actualLanguageCode Actual language of the text. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 32 |  |  | 	 * @param string|null $sourceLanguageCode Source language if the text is a transliteration. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 33 |  |  | 	 * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 34 |  |  | 	 * @throws InvalidArgumentException | 
            
                                                                                                            
                                                                
            
                                    
            
            
                | 35 |  |  | 	 */ | 
            
                                                                        
                            
            
                                    
            
            
                | 36 |  |  | 	public function __construct( $requestedLanguageCode, $text, $actualLanguageCode, $sourceLanguageCode ) { | 
            
                                                                        
                            
            
                                    
            
            
                | 37 |  |  | 		parent::__construct( $requestedLanguageCode, $text ); | 
            
                                                                        
                            
            
                                    
            
            
                | 38 |  |  |  | 
            
                                                                        
                            
            
                                    
            
            
                | 39 |  |  | 		if ( !is_string( $actualLanguageCode ) || $actualLanguageCode === '' ) { | 
            
                                                                        
                            
            
                                    
            
            
                | 40 |  |  | 			throw new InvalidArgumentException( '$actualLanguageCode must be a non-empty string' ); | 
            
                                                                        
                            
            
                                    
            
            
                | 41 |  |  | 		} | 
            
                                                                        
                            
            
                                    
            
            
                | 42 |  |  |  | 
            
                                                                        
                            
            
                                    
            
            
                | 43 |  |  | 		if ( !( $sourceLanguageCode === null | 
            
                                                                        
                            
            
                                    
            
            
                | 44 |  |  | 			|| ( is_string( $sourceLanguageCode ) && $sourceLanguageCode !== '' ) | 
            
                                                                        
                            
            
                                    
            
            
                | 45 |  |  | 		) ) { | 
            
                                                                        
                            
            
                                    
            
            
                | 46 |  |  | 			throw new InvalidArgumentException( '$sourceLanguageCode must be a non-empty string or null' ); | 
            
                                                                        
                            
            
                                    
            
            
                | 47 |  |  | 		} | 
            
                                                                        
                            
            
                                    
            
            
                | 48 |  |  |  | 
            
                                                                        
                            
            
                                    
            
            
                | 49 |  |  | 		$this->actualLanguageCode = $actualLanguageCode; | 
            
                                                                        
                            
            
                                    
            
            
                | 50 |  |  | 		$this->sourceLanguageCode = $sourceLanguageCode; | 
            
                                                                        
                            
            
                                    
            
            
                | 51 |  |  | 	} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 52 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 53 |  |  | 	/** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 54 |  |  | 	 * @return string | 
            
                                                                                                            
                            
            
                                    
            
            
                | 55 |  |  | 	 */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 56 |  |  | 	public function getActualLanguageCode() { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 57 |  |  | 		return $this->actualLanguageCode; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 58 |  |  | 	} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 59 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 60 |  |  | 	/** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 61 |  |  | 	 * @return string|null | 
            
                                                                                                            
                            
            
                                    
            
            
                | 62 |  |  | 	 */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 63 |  |  | 	public function getSourceLanguageCode() { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 64 |  |  | 		return $this->sourceLanguageCode; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 65 |  |  | 	} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 66 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 67 |  |  | 	/** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 68 |  |  | 	 * @see Comparable::equals | 
            
                                                                                                            
                            
            
                                    
            
            
                | 69 |  |  | 	 * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 70 |  |  | 	 * @param mixed $target | 
            
                                                                                                            
                            
            
                                    
            
            
                | 71 |  |  | 	 * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 72 |  |  | 	 * @return bool | 
            
                                                                                                            
                            
            
                                    
            
            
                | 73 |  |  | 	 */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 74 |  |  | 	public function equals( $target ) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 75 |  |  | 		if ( $this === $target ) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 76 |  |  | 			return true; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 77 |  |  | 		} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 78 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 79 |  |  | 		return $target instanceof self | 
            
                                                                                                            
                            
            
                                    
            
            
                | 80 |  |  | 			&& parent::equals( $target ) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 81 |  |  | 			&& $this->actualLanguageCode === $target->actualLanguageCode | 
            
                                                                                                            
                            
            
                                    
            
            
                | 82 |  |  | 			&& $this->sourceLanguageCode === $target->sourceLanguageCode; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 83 |  |  | 	} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 84 |  |  |  | 
            
                                                                                                            
                                                                
            
                                    
            
            
                | 85 |  |  | } | 
            
                                                        
            
                                    
            
            
                | 86 |  |  |  |