--- /dev/null
+/*
+ * Copyright (c) 2018-2020. Developed by Hedgecode.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.hedgecode.chess.pgn.format;
+
+import java.util.Collections;
+import java.util.List;
+
+import org.hedgecode.chess.pgn.entity.DetailMove;
+import org.hedgecode.chess.pgn.entity.Move;
+import org.hedgecode.chess.pgn.entity.Moves;
+import org.hedgecode.chess.pgn.entity.Variation;
+
+import static org.hedgecode.chess.pgn.PGNConstants.*;
+
+/**
+ * ExportMovesFormat
+ *
+ * @author Dmitry Samoshin aka gotty
+ */
+public class ExportMovesFormat extends AbstractMovesFormat {
+
+ @Override
+ public String format(List<Move> moves) {
+ Collections.sort(moves);
+ StringBuilder sb = new StringBuilder();
+ Move prevMove = null;
+ for (Move move : moves) {
+ sb.append(
+ formatSan(move, prevMove)
+ ).append(
+ PGN_SPACE
+ );
+ if (move instanceof DetailMove) {
+ DetailMove detailMove = (DetailMove) move;
+ sb.append(
+ formatAddition(detailMove)
+ );
+ }
+ prevMove = move;
+ }
+ return sb.toString().trim();
+ }
+
+ @Override
+ public String format(Moves moves) {
+ Collections.sort(moves.getMoves());
+ StringBuilder sb = new StringBuilder();
+ sb.append(
+ formatComment(moves.nullMove())
+ );
+ DetailMove prevMove = null;
+ for (DetailMove move : moves.getMoves()) {
+ sb.append(
+ formatSan(move, prevMove)
+ ).append(
+ PGN_SPACE
+ ).append(
+ formatAddition(move)
+ );
+ prevMove = move;
+ }
+ return sb.toString().trim();
+ }
+
+ private String formatSan(Move move, Move prevMove) {
+ return move.ply() % 2 != 0
+ ? whiteFormat(move)
+ : blackFormat(move, prevMove);
+ }
+
+ private String whiteFormat(Move move) {
+ return String.format(
+ WHITE_MOVE_FORMAT, move.ply() / 2 + 1, move.move()
+ );
+ }
+
+ private String blackFormat(Move move, Move prevMove) {
+ if (prevMove != null && prevMove instanceof DetailMove) {
+ DetailMove detailMove = (DetailMove) prevMove;
+ if (detailMove.comments().size() > 0 || detailMove.variations().size() > 0) {
+ return String.format(
+ BLACK_MOVE_DOT_FORMAT, move.ply() / 2, move.move()
+ );
+ }
+ }
+ return String.format(BLACK_MOVE_FORMAT, move.move());
+ }
+
+ private String formatAddition(DetailMove move) {
+ StringBuilder sb = new StringBuilder();
+ sb.append(
+ formatComment(move)
+ ).append(
+ formatVariation(move)
+ );
+ return sb.toString();
+ }
+
+ private String formatComment(DetailMove move) {
+ StringBuilder sb = new StringBuilder();
+ for (String comment : move.comments()) {
+ sb.append(
+ String.format(COMMENT_FORMAT, comment)
+ ).append(PGN_SPACE);
+ }
+ return sb.toString();
+ }
+
+ private String formatVariation(DetailMove move) {
+ StringBuilder sb = new StringBuilder();
+ for (Variation variation : move.variations()) {
+ sb.append(
+ String.format(VARIATION_FORMAT, format(variation))
+ ).append(PGN_SPACE);
+ }
+ return sb.toString();
+ }
+
+}
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