1: <?php
 2: /* 
 3:  * Copyright (c) 2016 Geraldo B. Landre
 4:  * 
 5:  * See the file LICENSE for copying permission.
 6:  */
 7: namespace pgn\tags;
 8: 
 9: use utils\Parser;
10: 
11: /**
12:  * Description of WhiteElo:
13:  * 9.1.2: Tags: WhiteElo, BlackElo
14:  * These tags use integer values; these are used for FIDE Elo ratings.  A value of
15:  * "-" is used for an unrated player.
16:  * @see pgn_standard.txt
17:  * @author Geraldo
18:  */
19: class WhiteElo extends Tag {
20: 
21:     /**
22:      * @assert() === "WhiteElo"
23:      * @return string
24:      */
25:     public function getName() {
26:         $parsed = Parser::parseClassName(get_class());
27:         return $parsed['className'];
28:     }
29:     /**
30:      * @assert () === "-"
31:      * @return string
32:      */
33:     public function getDefaultValue() {
34:         return "-";
35:     }
36: 
37:     /**
38:      * @assert("1900") === true
39:      * @assert("19") === true
40:      * @assert(1) === true
41:      * @assert("3.1") === false
42:      * @assert(3.1) === false
43:      * @assert("4.1.2") === false
44:      * @assert("-") === false
45:      * @assert("?") === true
46:      * @assert(NULL) === false
47:      * @assert("A") === false
48:      * @assert("asdf") === false
49:      * @assert("*") === false
50:      * @assert("????.??.??") === false
51:      * @param string $data
52:      * @return boolean
53:      */
54:     public function validate($data) {
55:         
56:         if(!parent::validate($data)) {
57:             return false;
58:         }
59:         
60:         if($data === '?') {
61:             return true;
62:         }
63:         
64:         return preg_match_all("/^" . self::validPattern() . "$/", $data) === 1;
65:     }
66:     
67:     /**
68:      * 
69:      * @return string Valid Regular Expression Pattern for PGN Rounds
70:      */
71:     static public function validPattern() {
72:         return "\d+";
73:     }
74: 
75: }
76: