Added empty save methods to PGNDatabase and PGNGame
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@ -109,8 +109,14 @@ public class Log implements Iterable<MoveNode> {
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} else reset();
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}
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/**
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* @return {@code true} if the root node exists
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*/
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public boolean isEmpty() { return root == null; }
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/**
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* @return {@code true} if the current node has a parent node
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*/
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public boolean hasParent() { return !isEmpty() && current.hasParent(); }
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/**
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@ -2,6 +2,7 @@ package dev.kske.chess.pgn;
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import java.io.File;
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import java.io.FileNotFoundException;
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import java.io.PrintWriter;
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import java.util.ArrayList;
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import java.util.List;
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import java.util.Scanner;
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@ -18,15 +19,19 @@ import dev.kske.chess.exception.ChessException;
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*/
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public class PGNDatabase {
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private final List<PGNGame> games = new ArrayList<>();
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private final List<PGNGame> games = new ArrayList<>();
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public void load(File pgnFile) throws FileNotFoundException, ChessException {
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try (Scanner sc = new Scanner(pgnFile)) {
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while (sc.hasNext())
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games.add(PGNGame.parse(sc));
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} catch (FileNotFoundException | ChessException e) {
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throw e;
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}
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Scanner sc = new Scanner(pgnFile);
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while (sc.hasNext())
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games.add(PGNGame.parse(sc));
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sc.close();
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}
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public void save(File pgnFile) throws FileNotFoundException {
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PrintWriter pw = new PrintWriter(pgnFile);
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games.forEach(g -> g.writePGN(pw));
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pw.close();
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}
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public List<PGNGame> getGames() { return games; }
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@ -1,5 +1,6 @@
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package dev.kske.chess.pgn;
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import java.io.PrintWriter;
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import java.util.HashMap;
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import java.util.Map;
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import java.util.Scanner;
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@ -8,6 +9,7 @@ import java.util.regex.Pattern;
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import dev.kske.chess.board.Board;
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import dev.kske.chess.board.FENString;
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import dev.kske.chess.board.Piece.Color;
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import dev.kske.chess.exception.ChessException;
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/**
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@ -62,6 +64,20 @@ public class PGNGame {
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return game;
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}
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public void writePGN(PrintWriter pw) {
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// Write tag pairs
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tagPairs.forEach((k, v) -> pw.printf("[%s \"%s\"]%n", k, v));
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// Write movetext
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board.getLog().forEach(m -> {
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if (m.activeColor == Color.BLACK) pw.printf("%d. ", m.fullmoveCounter);
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pw.print(m.move); // TODO: Convert to SAN
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});
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// TODO: Write game termination marker
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// TODO: Check if the game has ended
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}
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public String getTag(String tagName) { return tagPairs.get(tagName); }
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public boolean hasTag(String tagName) { return tagPairs.containsKey(tagName); }
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