Remove unneeded code from buildSrc.

buildSrc/src/main/java/chess/PgnToken.java

@@ -0,0 +1,63 @@
+/*
+    DroidFish - An Android chess program.
+    Copyright (C) 2011  Peter Österlund, peterosterlund2@gmail.com
+
+    This program is free software: you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+package chess;
+
+/** A token in a PGN data stream. Used by the PGN parser. */
+public class PgnToken {
+    // These are tokens according to the PGN spec
+    public static final int STRING = 0;
+    public static final int INTEGER = 1;
+    public static final int PERIOD = 2;
+    public static final int ASTERISK = 3;
+    public static final int LEFT_BRACKET = 4;
+    public static final int RIGHT_BRACKET = 5;
+    public static final int LEFT_PAREN = 6;
+    public static final int RIGHT_PAREN = 7;
+    public static final int NAG = 8;
+    public static final int SYMBOL = 9;
+
+    // These are not tokens according to the PGN spec, but the parser
+    // extracts these anyway for convenience.
+    public static final int COMMENT = 10;
+    public static final int EOF = 11;
+
+    // Actual token data
+    int type;
+    String token;
+
+    PgnToken(int type, String token) {
+        this.type = type;
+        this.token = token;
+    }
+
+    /** PGN parser visitor interface. */
+    public interface PgnTokenReceiver {
+        /** If this method returns false, the object needs a full re-initialization, using clear() and processToken(). */
+        boolean isUpToDate();
+
+        /** Clear object state. */
+        void clear();
+
+        /** Update object state with one token from a PGN game. */
+        void processToken(GameTree.Node node, int type, String token);
+
+        /** Change current move number. */
+        void setCurrent(GameTree.Node node);
+    }
+}