116 lines
3.0 KiB
PHP
116 lines
3.0 KiB
PHP
<?php
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class PgnParser
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{
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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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private $pgnGameParser;
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public function __construct($pgnFile = "")
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{
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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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$this->pgnGameParser = new PgnGameParser();
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}
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public function setPgnContent($content)
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{
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$this->pgnContent = $content;
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}
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private function cleanPgn()
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{
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$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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return $c;
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}
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public static function getArrayOfGames($pgn)
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{
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return self::getPgnGamesAsArray($pgn);
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}
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private function splitPgnIntoGames($pgnString)
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{
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return $this->getPgnGamesAsArray($pgnString);
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}
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private function getPgnGamesAsArray($pgn)
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{
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$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 $ret;
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}
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public function getGamesAsJSON()
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{
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return json_encode($this->getGames());
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}
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private function isLazy()
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{
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return false;
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}
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public function getUnparsedGames()
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{
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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->pgnGames = $this->splitPgnIntoGames($this->cleanPgn($this->pgnContent));
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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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{
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return $this->getGameByIndex(0);
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}
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public function getGameByIndex($index){
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$games = $this->getUnparsedGames();
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if (count($games) && count($games) > $index) {
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return $this->getParsedGame($games[$index]);
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}
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return null;
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}
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public function getGames()
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{
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$games = $this->getUnparsedGames();
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$ret = array();
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for ($i = 0, $count = count($games); $i < $count; $i++) {
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$ret[] = $this->getParsedGame($games[$i]);
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}
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return $ret;
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}
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private function getParsedGame($unParsedGame){
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$this->pgnGameParser->setPgn($unParsedGame);
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$ret = $this->pgnGameParser->getParsedData();
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if (!$this->isLazy()) {
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$ret = $this->gameParser->getParsedGame($ret);
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}
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return $ret;
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}
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}
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