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| 1 | <?php |
| 2 | /** |
| 3 | * This file is a part of ChessBrowser. |
| 4 | * |
| 5 | * ChessBrowser is free software: you can redistribute it and/or modify |
| 6 | * it under the terms of the GNU General Public License as published by |
| 7 | * the Free Software Foundation, either version 3 of the License, or |
| 8 | * (at your option) any later version. |
| 9 | * |
| 10 | * This program is distributed in the hope that it will be useful, |
| 11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 13 | * GNU General Public License for more details. |
| 14 | * |
| 15 | * You should have received a copy of the GNU General Public License |
| 16 | * along with this program. If not, see <https://www.gnu.org/licenses/>. |
| 17 | * |
| 18 | * @file NagTable |
| 19 | * @ingroup ChessBrowser |
| 20 | * @author Wugapodes |
| 21 | */ |
| 22 | |
| 23 | namespace MediaWiki\Extension\ChessBrowser; |
| 24 | |
| 25 | class NagTable { |
| 26 | // phpcs:disable MediaWiki.WhiteSpace.SpaceBeforeSingleLineComment.NewLineComment |
| 27 | public const MAP = [ |
| 28 | '$1' => "!", // U+0021 |
| 29 | '$2' => "?", // U+003F |
| 30 | '$3' => "‼", // U+203C |
| 31 | '$4' => "⁇", // U+2047 |
| 32 | '$5' => "⁉", // U+2049 |
| 33 | '$6' => "⁈", // U+2048 |
| 34 | '$7' => "□", // U+25A1 |
| 35 | '$10' => "=", // U+003D |
| 36 | '$13' => "∞", // U+221E |
| 37 | '$14' => "⩲", // U+2A72 |
| 38 | '$15' => "⩱", // U+2A71 |
| 39 | '$16' => "±", // U+00B1 |
| 40 | '$17' => "∓", // U+2213 |
| 41 | '$18' => "+−", // U+002B U+002D |
| 42 | '$19' => "−+", // U+002D U+002B |
| 43 | '$22' => "⨀", // U+2A00 |
| 44 | '$23' => "⨀", // U+2A00 |
| 45 | '$26' => "○", // U+25CB |
| 46 | '$27' => "○", // U+25CB |
| 47 | '$32' => "⟳", // U+27F3 |
| 48 | '$33' => "⟳", // U+27F3 |
| 49 | '$36' => "↑", // U+2191 |
| 50 | '$37' => "↑", // U+2191 |
| 51 | '$40' => "→", // U+2192 |
| 52 | '$41' => "→", // U+2192 |
| 53 | '$45' => "=/∞", // U+2A73 (roughly) |
| 54 | '$46' => "=/∞", // U+2A73 (roughly) |
| 55 | '$132' => "⇆", // U+21C6 |
| 56 | '$133' => "⇆", // U+21C6 |
| 57 | '$138' => "⨁", // U+2A01 |
| 58 | '$139' => "⨁", // U+2A01 |
| 59 | /* The following are non-standard */ |
| 60 | '$140' => "∆", // U+2206 |
| 61 | '$141' => "∇", // U+2207 |
| 62 | '$142' => "⌓", // U+2313 |
| 63 | '$143' => "<=", // ?? |
| 64 | '$144' => "==", // U+003D U+003D |
| 65 | '$145' => "RR", // ?? |
| 66 | '$146' => "N", // ?? |
| 67 | '$238' => "○", // U+25CB |
| 68 | '$239' => "⇔", // U+21D4 |
| 69 | '$240' => "⇗", // U+21D7 |
| 70 | '$241' => "⊞", // U+229E |
| 71 | '$242' => "⟫", // U+27EB |
| 72 | '$243' => "⟪", // U+27EA |
| 73 | '$244' => "✕", // U+2715 |
| 74 | '$245' => "⊥", // U+22A5 |
| 75 | ]; |
| 76 | |
| 77 | /** |
| 78 | * Replace NAGs in the PGN with their unicode equivalent. |
| 79 | * |
| 80 | * @param string $pgn The PGN to be replaced. |
| 81 | * @return string |
| 82 | */ |
| 83 | public static function replaceNag( string $pgn ): string { |
| 84 | // Replacement respects array order, but an ascending |
| 85 | // list is easier for humans to read and maintain so |
| 86 | // the NagTable::MAP is reversed before replacement. |
| 87 | $nags = array_keys( array_reverse( self::MAP ) ); |
| 88 | $symbols = array_values( array_reverse( self::MAP ) ); |
| 89 | return str_replace( $nags, $symbols, $pgn ); |
| 90 | } |
| 91 | } |