2 * Program: pgn-extract: a Portable Game Notation (PGN) extractor.
3 * Copyright (C) 1994-2014 David Barnes
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation; either version 1, or (at your option)
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
14 * You should have received a copy of the GNU General Public License
15 * along with this program; if not, write to the Free Software
16 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
18 * David Barnes may be contacted as D.J.Barnes@kent.ac.uk
19 * http://www.cs.kent.ac.uk/people/staff/djb/
23 /* Define a type to hold hash values of interest. */
24 typedef struct EcoLog {
25 HashCode required_hash_value;
26 /* cumulative_hash_value is used to disambiguate clashing
27 * final hash values in duplicate detection.
29 HashCode cumulative_hash_value;
30 /* How deep the line is, from the half_moves associated with
31 * the board when the line is played out.
35 const char *Opening_tag;
36 const char *Variation_tag;
37 const char *Sub_Variation_tag;
41 void dumpEcoTable(void);
42 EcoLog *eco_matches(HashCode current_hash_value, HashCode cumulative_hash_value,
43 unsigned half_moves_played);
44 Boolean add_ECO(Game game_details);
45 FILE *open_eco_output_file(EcoDivision ECO_level,const char *eco);
46 void initEcoTable(void);
47 void save_eco_details(Game game_details,unsigned number_of_moves);