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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 values for the amount of space to initially malloc
* and incrementally realloc in a list.
*/
#define INIT_LIST_SPACE 10
#define MORE_LIST_SPACE 5
/* Tags to be sought may have an operator to specify the
* relationship between value in the tag list and that in
* the game. For instance, in order to find games before 1962
* use Date < "1962". The < turns into a LESS_THAN operator.
* Potentially any tag may have an operator, but not all make
* sense in all circumstances.
*/
typedef enum {
NONE,
LESS_THAN, GREATER_THAN, EQUAL_TO, NOT_EQUAL_TO,
LESS_THAN_OR_EQUAL_TO, GREATER_THAN_OR_EQUAL_TO
} TagOperator;
void extract_tag_argument(const char *argstr);
void add_tag_to_list(int tag,const char *tagstr,TagOperator operator);
Boolean CheckTagDetailsNotECO(char *Details[],int num_details);
Boolean CheckECOTag(char *Details[]);
void init_tag_lists(void);
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