95 lines
2.6 KiB
PHP
95 lines
2.6 KiB
PHP
<?php
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class PgnParser {
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private $pgnFile;
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private $pgnContent;
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private $pgnGames;
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private $games;
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private $gameParser;
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public function __construct($pgnFile = ""){
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if($pgnFile){
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$this->pgnFile = $pgnFile;
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}
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$this->gameParser = new GameParser();
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}
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public function setPgnContent($content){
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$this->pgnContent = $content;
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}
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private function cleanPgn(){
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$c = $this->pgnContent;
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$c = preg_replace("/\\$[0-9]+/s", "", $c);
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$c = preg_replace("/{([^\[]*?)\[([^}]?)}/s", '{$1-SB-$2}', $c);
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$c = preg_replace("/\r/s", "", $c);
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$c = preg_replace("/\t/s", "", $c);
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$c = preg_replace("/\]\s+\[/s", "]\n[", $c);
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$c = str_replace(" [", "[", $c);
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$c = preg_replace("/([^\]])(\n+)\[/si", "$1\n\n[", $c);
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$c = preg_replace("/\n{3,}/s", "\n\n", $c);
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$c = str_replace("-SB-", "[", $c);
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$this->pgnContent = $c;
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}
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public static function getArrayOfGames($pgn) {
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return self::getPgnGamesAsArray($pgn);
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}
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private function splitPgnIntoGames(){
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$this->pgnGames = $this->getPgnGamesAsArray($this->pgnContent);
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}
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private function getPgnGamesAsArray($pgn){
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$ret = array();
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$content = "\n\n" . $pgn;
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$games = preg_split("/\n\n\[/s", $content, -1, PREG_SPLIT_DELIM_CAPTURE);
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for($i=1, $count = count($games); $i<$count; $i++){
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array_push($ret, trim("[". $games[$i]));
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}
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return $ret;
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}
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public function getGamesAsJSON(){
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return json_encode($this->getGames());
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}
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private function isLazy(){
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return false;
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}
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public function getUnparsedGames() {
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if(!isset($this->pgnGames)){
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if($this->pgnFile && !isset($this->pgnContent)){
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$this->pgnContent = file_get_contents($this->pgnFile);
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}
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$this->cleanPgn();
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$this->splitPgnIntoGames();
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}
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return $this->pgnGames;
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}
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public function getFirstGame(){
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$games = $this->getGames();
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if(count($games)){
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return $games[0];
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}
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return null;
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}
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public function getGames(){
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$games = $this->getUnparsedGames();
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$this->games = array();
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for($i=0, $count = count($games);$i<$count; $i++){
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$gameParser = new PgnGameParser($games[$i]);
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$this->games[$i] = $gameParser->getParsedData();
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if(!$this->isLazy()){
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$this->games[$i] = $this->gameParser->getParsedGame($this->games[$i]);
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}
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}
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return $this->games;
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}
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}
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