[LIB-9] Add SAN, NAG, move number and result PGN tokens

[chesshog.git] / chesshog-format / src / main / java / org / hedgecode / chess / pgn / entity / MoveNumber.java

diff --git a/chesshog-format/src/main/java/org/hedgecode/chess/pgn/entity/MoveNumber.java b/chesshog-format/src/main/java/org/hedgecode/chess/pgn/entity/MoveNumber.java
new file mode 100644 (file)
index 0000000..0ba4571
--- /dev/null
+++ b/chesshog-format/src/main/java/org/hedgecode/chess/pgn/entity/MoveNumber.java
@@ -0,0 +1,50 @@
+/*
+ * 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.entity;
+
+/**
+ * MoveNumber
+ *
+ * @author Dmitry Samoshin aka gotty
+ */
+public class MoveNumber {
+
+    private int ply;
+
+    public MoveNumber() {
+        this(0);
+    }
+
+    public MoveNumber(int prevPly) {
+        this.ply = prevPly + 1;
+    }
+
+    public void assignNumber(int number, boolean isBlack) {
+        this.ply = number * 2 - (isBlack ? 0 : 1);
+    }
+
+    public int ply() {
+        return ply;
+    }
+
+    public int number() {
+        return ply % 2 != 0
+                ? ply / 2 + 1
+                : ply / 2;
+    }
+
+}