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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/
*
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <ctype.h>
#include "bool.h"
#include "mymalloc.h"
#include "defs.h"
#include "typedef.h"
#include "tokens.h"
#include "taglist.h"
#include "lex.h"
#include "moves.h"
#include "map.h"
#include "lists.h"
#include "output.h"
#include "end.h"
#include "grammar.h"
#include "hashing.h"
#include "argsfile.h"
/* The maximum length of an output line. This is conservatively
* slightly smaller than the PGN export standard of 80.
*/
#define MAX_LINE_LENGTH 75
/* Define a file name relative to the current directory representing
* a file of ECO classificiations.
*/
#ifndef DEFAULT_ECO_FILE
#define DEFAULT_ECO_FILE "eco.pgn"
#endif
/* This structure holds details of the program state
* available to all parts of the program.
* This goes against the grain of good structured programming
* principles, but most of these fields are set from the program's
* arguments and are read-only thereafter. If I had done this in
* C++ there would have been a cleaner interface!
*/
StateInfo GlobalState = {
FALSE, /* check_only (-r) */
TRUE, /* verbose (-s) */
TRUE, /* keep_NAGs (-N) */
TRUE, /* keep_comments (-C) */
TRUE, /* keep_variations (-V) */
FALSE, /* seven_tag_roster (-7) */
TRUE, /* match_permutations (-v) */
FALSE, /* positional_variations (-x) */
FALSE, /* use_soundex (-S) */
FALSE, /* suppress_duplicates (-D) */
FALSE, /* suppress_originals (-U) */
FALSE, /* check_tags */
FALSE, /* add_ECO (-e) */
DONT_DIVIDE, /* ECO_level (-E) */
SAN, /* output_format (-W) */
MAX_LINE_LENGTH, /* max_line_length (-w) */
FALSE, /* use_virtual_hash_table (-Z) */
FALSE, /* check_move_bounds (-b) */
0, /* depth_of_positional_search */
0, /* num_games_processed */
0, /* num_games_matched */
0, /* games_per_file (-#) */
1, /* next_file_number */
0, /* lower_move_bound */
10000, /* upper_move_bound */
FALSE, /* output_FEN_string */
(char *)NULL, /* current_input_file */
NORMALFILE, /* current_file_type */
DEFAULT_ECO_FILE, /* eco_file (-e) */
(FILE *)NULL, /* outputfile (-o, -a). Default is stdout */
(char *)NULL, /* output_filename (-o, -a) */
(FILE *)NULL, /* logfile (-l). Default is stderr */
(FILE *)NULL, /* duplicate_file (-d) */
(FILE *)NULL, /* non_matching_file (-n) */
};
/* Prepare the output file handles in GlobalState. */
static void
init_default_global_state(void)
{
GlobalState.outputfile = stdout;
GlobalState.logfile = stderr;
}
int
main(int argc, char *argv[])
{ int argnum;
/* Prepare global state. */
init_default_global_state();
/* Prepare the GameHeader. */
init_game_header();
/* Prepare the tag lists for -t/-T matching. */
init_tag_lists();
/* Prepare the hash tables for transposition detection. */
init_hashtab();
/* Initialise the lexical analyser's tables. */
init_lex_tables();
/* Allow for some arguments. */
for(argnum = 1; argnum < argc; argnum++){
const char *argument = argv[argnum];
if(argument[0] == '-'){
switch(argument[1]){
case SEVEN_TAG_ROSTER_ARGUMENT:
process_argument(argument[1],"");
break;
case TAG_ROSTER_ARGUMENT:
process_argument(argument[1],&argument[2]);
break;
case FILE_OF_ARGUMENTS_ARGUMENT:
{ /* We expect a file name containing arguments. */
const char *filename = &(argument[2]);
process_argument(argument[1],filename);
}
break;
case APPEND_TO_OUTPUT_FILE_ARGUMENT:
{ /* We expect an output file to which to append. */
const char *filename = &(argument[2]);
process_argument(argument[1],filename);
}
break;
case BOUNDS_ARGUMENT:
{ const char *bound = &(argument[2]);
process_argument(argument[1],bound);
}
break;
case CHECK_FILE_ARGUMENT:
{ /* We expect a list of files as the game sources.
* These files are CHECKFILEs, to act as checks
* for duplicates in any NORMALFILEs.
*/
const char *filename = &(argument[2]);
process_argument(argument[1],filename);
}
break;
case DONT_KEEP_COMMENTS_ARGUMENT:
process_argument(argument[1],"");
break;
case DUPLICATES_FILE_ARGUMENT:
{ /* We expect an output file for duplicate games. */
const char *filename = &(argument[2]);
process_argument(argument[1],filename);
}
break;
case DONT_KEEP_DUPLICATES_ARGUMENT:
process_argument(argument[1],"");
break;
case USE_ECO_FILE_ARGUMENT:
{ /* A filename of ECO lines is optional. */
const char *filename = &(argument[2]);
process_argument(argument[1],filename);
}
break;
case ECO_OUTPUT_LEVEL_ARGUMENT:
/* Set an ECO output level. */
process_argument(argument[1],&argument[2]);
break;
case FILE_OF_FILES_ARGUMENT:
{ /* We expect a list of files as the game sources. */
const char *filename = &(argument[2]);
process_argument(argument[1],filename);
}
break;
case OUTPUT_FEN_STRING_ARGUMENT:
process_argument(argument[1],"");
break;
case HELP_ARGUMENT:
process_argument(argument[1],&argument[2]);
break;
case ALTERNATIVE_HELP_ARGUMENT:
process_argument(HELP_ARGUMENT,"");
break;
case WRITE_TO_LOG_FILE_ARGUMENT:
/* Create new log file. */
case APPEND_TO_LOG_FILE_ARGUMENT:
/* Append to log file. */
process_argument(argument[1],&argument[2]);
break;
case NON_MATCHING_GAMES_ARGUMENT:
{ /* We expect an output file for unmatched games. */
const char *filename = &(argument[2]);
process_argument(argument[1],filename);
}
break;
case DONT_KEEP_NAGS_ARGUMENT:
process_argument(argument[1],"");
break;
case WRITE_TO_OUTPUT_FILE_ARGUMENT:
{ /* We expect an output file to write to. */
const char *filename = &(argument[2]);
process_argument(argument[1],filename);
}
break;
case DONT_MATCH_PERMUTATIONS_ARGUMENT:
process_argument(argument[1],"");
break;
case CHECK_ONLY_ARGUMENT:
process_argument(argument[1],"");
break;
case KEEP_SILENT_ARGUMENT:
process_argument(argument[1],"");
break;
case USE_SOUNDEX_ARGUMENT:
/* Use soundex matches for player tags. */
process_argument(argument[1],"");
break;
case TAG_EXTRACTION_ARGUMENT:
/* A single tag extraction criterion. */
process_argument(argument[1],&argument[2]);
break;
case SUPPRESS_ORIGINALS_ARGUMENT:
process_argument(argument[1],"");
break;
case DONT_KEEP_VARIATIONS_ARGUMENT:
process_argument(argument[1],"");
break;
case LINE_WIDTH_ARGUMENT:
process_argument(argument[1],&argument[2]);
break;
case OUTPUT_FORMAT_ARGUMENT:
process_argument(argument[1],&argument[2]);
break;
case TAGS_ARGUMENT:
case MOVES_ARGUMENT:
case POSITIONS_ARGUMENT:
case ENDINGS_ARGUMENT:
{ /* From the command line, we require an
* associated file argument.
* Check this here, as it is not the case
* when reading arguments from an argument file.
*/
const char *filename = &(argument[2]);
const char argument_letter = argument[1];
if(*filename == '\0'){
/* Try to pick it up from the next argument. */
if((argnum+1) < argc){
++argnum;
filename = argv[argnum];
}
/* Make sure the filename does not look
* like the next argument.
*/
if((*filename == '\0') ||
(*filename == '-')){
fprintf(GlobalState.logfile,
"Usage: -%cfilename or -%c filename\n",
argument_letter,argument_letter);
exit(1);
}
}
else{
process_argument(argument_letter,filename);
}
}
break;
case USE_VIRTUAL_HASH_TABLE_ARGUMENT:
process_argument(argument[1],"");
break;
case GAMES_PER_FILE_ARGUMENT:
process_argument(argument[1],&argument[2]);
break;
default:
fprintf(GlobalState.logfile,
"Unknown flag %s. Use -%c for usage details.\n",
argument,HELP_ARGUMENT);
break;
}
}
else{
/* Should be a file name containing games. */
add_filename_to_source_list(argument,NORMALFILE);
}
}
/* Prepare the hash tables for duplicate detection. */
init_duplicate_hash_table();
if(GlobalState.add_ECO){
/* Read in a list of ECO lines in order to classify the games. */
if(open_eco_file(GlobalState.eco_file)){
/* Temporarily turn off ECO lookup, otherwise each ECO line
* is looked up in the table being built!
*/
GlobalState.add_ECO = FALSE;
yyparse(ECOFILE);
/* Turn ECO lookup back on. */
GlobalState.add_ECO = TRUE;
}
else{
fprintf(GlobalState.logfile,"Unable to open the ECO file %s.\n",
GlobalState.eco_file);
exit(1);
}
}
/* Open up the first file to act as Lex's source of input. */
if(!open_first_file()){
exit(1);
}
yyparse(GlobalState.current_file_type);
/* Remove any temporary files. */
clear_duplicate_hash_table();
if(GlobalState.verbose){
fprintf(GlobalState.logfile,"%lu game%s matched out of %lu.\n",
GlobalState.num_games_matched,
GlobalState.num_games_matched == 1?"":"s",
GlobalState.num_games_processed);
}
if((GlobalState.logfile != stderr) && (GlobalState.logfile != NULL)){
(void) fclose(GlobalState.logfile);
}
return 0;
}
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