Schach/src/main/java/de/mannheim/th/chess/utl/OpeningRecognizer.java

65 lines
1.6 KiB
Java

package de.mannheim.th.chess.utl;
import java.io.BufferedReader;
import java.io.FileReader;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;
import com.github.bhlangonijr.chesslib.move.MoveList;
public class OpeningRecognizer {
private static class Opening {
String name;
String moves;
Opening(String name, String moves) {
this.name = name;
this.moves = moves;
}
}
private static List<Opening> openingList = new ArrayList<>();
public static void loadOpenings() throws IOException {
BufferedReader openingReader = new BufferedReader(new FileReader("src/main/resources/openings.pgn"));
StringBuilder openingName = new StringBuilder();
String moves = null;
String line;
while ((line = openingReader.readLine()) != null) {
if ((line.startsWith("[Site") && openingName.toString().equals("")) || line.equals("") ) {
continue;
}
if (line.startsWith("[Site")) {
openingList.add(new Opening(openingName.toString(), moves));
moves = null;
openingName.delete(0, openingName.length());
continue;
}
if (line.startsWith("[White")) {
openingName.append(line.split("\"")[1].trim());
continue;
}
if (line.startsWith("[Black")) {
openingName.append(":").append(line.split("\"")[1].trim());
continue;
}
moves = line;
}
openingReader.close();
}
public static String compareOpening(MoveList moves, String openingBefore) {
for (Opening o: openingList) {
if (o.moves.equals(moves.toSanWithMoveNumbers().trim())) {
return o.name;
}
}
return openingBefore;
}
}