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/*
* Program: pgn-extract: a Portable Game Notation (PGN) extractor.
* Copyright (C) 1994-2001 David Barnes
* 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 1, 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, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*
* David Barnes may be contacted as D.J.Barnes@ukc.ac.uk
* http://www.cs.ukc.ac.uk/people/staff/djb/
*
*/
/* Define a type to hold hash values of interest. */
typedef struct EcoLog {
HashCode required_hash_value;
/* cumulative_hash_value is used to disambiguate clashing
* final hash values in duplicate detection.
*/
HashCode cumulative_hash_value;
/* How deep the line is, from the half_moves associated with
* the board when the line is played out.
*/
int half_moves;
const char *ECO_tag;
const char *Opening_tag;
const char *Variation_tag;
const char *Sub_Variation_tag;
struct EcoLog *next;
} EcoLog;
EcoLog *eco_matches(HashCode current_hash_value, HashCode cumulative_hash_value,
int half_moves_played);
Boolean add_ECO(Game game_details);
FILE *open_eco_output_file(EcoDivision ECO_level,const char *eco);
void initEcoTable(void);
void save_eco_details(Game game_details,unsigned number_of_moves);
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