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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 | * This file is a part of PgnParser |
| 19 | * |
| 20 | * PgnParser is free software: you can redistribute it and/or modify |
| 21 | * it under the terms of the GNU Lesser General Public License as published by |
| 22 | * the Free Software Foundation, either version 3 of the License, or |
| 23 | * (at your option) any later version. |
| 24 | * |
| 25 | * This program is distributed in the hope that it will be useful, |
| 26 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 27 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 28 | * GNU Lesser General Public License for more details. |
| 29 | * |
| 30 | * You should have received a copy of the GNU Lesser General Public License |
| 31 | * along with this program. If not, see <https://www.gnu.org/licenses/>. |
| 32 | * |
| 33 | * @file GameParser |
| 34 | * @ingroup ChessBrowser |
| 35 | * @author Alf Magne Kalleland |
| 36 | */ |
| 37 | |
| 38 | namespace MediaWiki\Extension\ChessBrowser\PgnParser; |
| 39 | |
| 40 | class GameParser { |
| 41 | /** @var array */ |
| 42 | private $game; |
| 43 | /** @var FenParser0x88|null */ |
| 44 | private $fenParser0x88; |
| 45 | |
| 46 | /** |
| 47 | * @param array $game |
| 48 | */ |
| 49 | public function __construct( array $game ) { |
| 50 | $this->game = $game; |
| 51 | } |
| 52 | |
| 53 | /** |
| 54 | * @return array |
| 55 | */ |
| 56 | public function getParsedGame() { |
| 57 | $game = $this->game; |
| 58 | |
| 59 | $this->fenParser0x88 = new FenParser0x88( $game[ChessJson::FEN] ); |
| 60 | $this->parseMoves( $game[ChessJson::MOVE_MOVES] ); |
| 61 | |
| 62 | $game[ChessJson::GAME_METADATA][ChessJson::MOVE_PARSED] = 1; |
| 63 | |
| 64 | return $game; |
| 65 | } |
| 66 | |
| 67 | /** |
| 68 | * Parse each move |
| 69 | * |
| 70 | * @param array &$moves |
| 71 | */ |
| 72 | private function parseMoves( &$moves ) { |
| 73 | foreach ( $moves as &$move ) { |
| 74 | $this->parseAMove( $move ); |
| 75 | } |
| 76 | } |
| 77 | |
| 78 | /** |
| 79 | * Parse a move |
| 80 | * |
| 81 | * @param array &$move |
| 82 | */ |
| 83 | private function parseAMove( &$move ) { |
| 84 | if ( |
| 85 | !isset( $move[ChessJson::MOVE_NOTATION] ) |
| 86 | || ( |
| 87 | isset( $move[ChessJson::FEN] ) |
| 88 | && isset( $move[ChessJson::MOVE_FROM] ) |
| 89 | && isset( $move[ChessJson::MOVE_TO] ) |
| 90 | ) |
| 91 | || strlen( $move[ChessJson::MOVE_NOTATION] ) < 2 |
| 92 | ) { |
| 93 | return; |
| 94 | } |
| 95 | |
| 96 | if ( isset( $move[ChessJson::MOVE_VARIATIONS] ) ) { |
| 97 | $fen = $this->fenParser0x88->getFen(); |
| 98 | $this->parseVariations( $move[ChessJson::MOVE_VARIATIONS] ); |
| 99 | $this->fenParser0x88->setFen( $fen ); |
| 100 | } |
| 101 | $move = $this->fenParser0x88->getParsed( $move ); |
| 102 | } |
| 103 | |
| 104 | /** |
| 105 | * Parse variations |
| 106 | * |
| 107 | * @param array &$variations |
| 108 | */ |
| 109 | private function parseVariations( &$variations ) { |
| 110 | foreach ( $variations as &$variation ) { |
| 111 | $fen = $this->fenParser0x88->getFen(); |
| 112 | $this->parseMoves( $variation ); |
| 113 | $this->fenParser0x88->setFen( $fen ); |
| 114 | } |
| 115 | } |
| 116 | |
| 117 | } |