+++ /dev/null
-/*
- * pgntags.c -- Functions to manage PGN tags
- *
- * Copyright 1995, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016 Free
- * Software Foundation, Inc.
- *
- * Enhancements Copyright 2005 Alessandro Scotti
- *
- * ------------------------------------------------------------------------
- *
- * GNU XBoard 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.
- *
- * GNU XBoard 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/. *
- *
- * ------------------------------------------------------------------------
- *
- * This file could well be a part of backend.c, but I prefer it this
- * way.
- */
-
-#include "config.h"
-
-#include <stdio.h>
-#include <errno.h>
-#include <ctype.h>
-#if STDC_HEADERS
-# include <stdlib.h>
-# include <string.h>
-#else /* not STDC_HEADERS */
-# if HAVE_STRING_H
-# include <string.h>
-# else /* not HAVE_STRING_H */
-# include <strings.h>
-# endif /* not HAVE_STRING_H */
-#endif /* not STDC_HEADERS */
-
-#include "common.h"
-#include "frontend.h"
-#include "backend.h"
-#include "parser.h"
-
-
-/* Parse PGN tags; returns 0 for success or error number
- */
-int
-ParsePGNTag (char *tag, GameInfo *gameInfo)
-{
- char *name, *value, *p, *oldTags;
- int len;
- int success;
-
- name = tag;
- while (!isalpha(*name) && !isdigit(*name)) {
- name++;
- }
- p = name;
- while (*p != ' ' && *p != '\t' && *p != '\n') {
- p++;
- }
- *p = NULLCHAR;
- value = strchr(p + 1, '"') + 1;
- p = strrchr(value, '"');
- *p = NULLCHAR;
-
- if (StrCaseCmp(name, "Event") == 0) {
- success = StrSavePtr(value, &gameInfo->event) != NULL;
- } else if (StrCaseCmp(name, "Site") == 0) {
- success = StrSavePtr(value, &gameInfo->site) != NULL;
- } else if (StrCaseCmp(name, "Date") == 0) {
- success = StrSavePtr(value, &gameInfo->date) != NULL;
- } else if (StrCaseCmp(name, "Round") == 0) {
- success = StrSavePtr(value, &gameInfo->round) != NULL;
- } else if (StrCaseCmp(name, "White") == 0) {
- success = StrSavePtr(value, &gameInfo->white) != NULL;
- } else if (StrCaseCmp(name, "Black") == 0) {
- success = StrSavePtr(value, &gameInfo->black) != NULL;
- }
- /* Fold together the various ways of denoting White/Black rating */
- else if ((StrCaseCmp(name, "WhiteElo")==0) ||
- (StrCaseCmp(name, "WhiteUSCF")==0) ) {
- success = TRUE;
- gameInfo->whiteRating = atoi( value );
- } else if ((StrCaseCmp(name, "BlackElo")==0) ||
- (StrCaseCmp(name, "BlackUSCF")==0)) {
- success = TRUE;
- gameInfo->blackRating = atoi( value );
- }
- else if (StrCaseCmp(name, "Result") == 0) {
- if (strcmp(value, "1-0") == 0)
- gameInfo->result = WhiteWins;
- else if (strcmp(value, "0-1") == 0)
- gameInfo->result = BlackWins;
- else if (strcmp(value, "1/2-1/2") == 0)
- gameInfo->result = GameIsDrawn;
- else
- gameInfo->result = GameUnfinished;
- success = TRUE;
- } else if (StrCaseCmp(name, "TimeControl") == 0) {
-// int tc, mps, inc = -1;
-// if(sscanf(value, "%d/%d", &mps, &tc) == 2 || )
- success = StrSavePtr(value, &gameInfo->timeControl) != NULL;
- } else if (StrCaseCmp(name, "FEN") == 0) {
- success = StrSavePtr(value, &gameInfo->fen) != NULL;
- } else if (StrCaseCmp(name, "SetUp") == 0) {
- /* ignore on input; presence of FEN governs */
- success = TRUE;
- } else if (StrCaseCmp(name, "Variant") == 0) {
- /* xboard-defined extension */
- success = StrSavePtr(value, &gameInfo->variantName) != NULL;
- if(*value && strcmp(value, engineVariant)) // keep current engine-defined variant if it matches
- gameInfo->variant = StringToVariant(value);
- } else if (StrCaseCmp(name, "VariantMen") == 0) {
- success = LoadPieceDesc(value);
- } else if (StrCaseCmp(name, PGN_OUT_OF_BOOK) == 0) {
- /* [AS] Out of book annotation */
- success = StrSavePtr(value, &gameInfo->outOfBook) != NULL;
- } else {
- if (gameInfo->extraTags == NULL) {
- oldTags = "";
- } else {
- oldTags = gameInfo->extraTags;
- }
- /* Buffer size includes 7 bytes of space for [ ""]\n\0 */
- len = strlen(oldTags) + strlen(value) + strlen(name) + 7;
- if ((p = (char *) malloc(len)) != NULL) {
- sprintf(p, "%s[%s \"%s\"]\n", oldTags, name, value);
- if (gameInfo->extraTags != NULL) free(gameInfo->extraTags);
- gameInfo->extraTags = p;
- success = TRUE;
- } else {
- success = FALSE;
- }
- }
- return(success ? 0 : ENOMEM);
-}
-
-
-/* Print game info */
-void
-PrintPGNTags (FILE *fp, GameInfo *gameInfo)
-{
- char *p;
- fprintf(fp, "[Event \"%s\"]\n", gameInfo->event ? gameInfo->event : "?");
- fprintf(fp, "[Site \"%s\"]\n", gameInfo->site ? gameInfo->site : "?");
- fprintf(fp, "[Date \"%s\"]\n", gameInfo->date ? gameInfo->date : "?");
- fprintf(fp, "[Round \"%s\"]\n", gameInfo->round ? gameInfo->round : "-");
- fprintf(fp, "[White \"%s\"]\n", gameInfo->white ? gameInfo->white : "?");
- fprintf(fp, "[Black \"%s\"]\n", gameInfo->black ? gameInfo->black : "?");
- fprintf(fp, "[Result \"%s\"]\n", PGNResult(gameInfo->result));
- if (gameInfo->whiteRating >= 0)
- fprintf(fp, "[WhiteElo \"%d\"]\n", gameInfo->whiteRating);
- if (gameInfo->blackRating >= 0)
- fprintf(fp, "[BlackElo \"%d\"]\n", gameInfo->blackRating);
- if (gameInfo->timeControl)
- fprintf(fp, "[TimeControl \"%s\"]\n", gameInfo->timeControl);
- if (gameInfo->variant != VariantNormal)
- fprintf(fp, "[Variant \"%s\"]\n", VariantName(gameInfo->variant));
- if (*(p = CollectPieceDescriptors()))
- fprintf(fp, "[VariantMen \"%s\"]\n", p);
- if (gameInfo->extraTags)
- fputs(gameInfo->extraTags, fp);
-}
-
-
-/* Return a non-static buffer with a games info.
- */
-char *
-PGNTags (GameInfo *gameInfo)
-{
- size_t len;
- char *buf;
- char *p;
-
- // First calculate the needed buffer size.
- // Then we don't have to check the buffer size later.
- len = 12 + 11 + 11 + 12 + 12 + 12 + 25 + 1; // The first 7 tags
- if (gameInfo->event) len += strlen(gameInfo->event);
- if (gameInfo->site) len += strlen(gameInfo->site);
- if (gameInfo->date) len += strlen(gameInfo->date);
- if (gameInfo->round) len += strlen(gameInfo->round);
- if (gameInfo->white) len += strlen(gameInfo->white);
- if (gameInfo->black) len += strlen(gameInfo->black);
- if (gameInfo->whiteRating >= 0) len += 40;
- if (gameInfo->blackRating >= 0) len += 40;
- if (gameInfo->timeControl) len += strlen(gameInfo->timeControl) + 20;
- if (gameInfo->variant != VariantNormal) len += 50;
- if (gameInfo->extraTags) len += strlen(gameInfo->extraTags);
-
- buf = malloc(len);
- if (!buf)
- return 0;
-
- p = buf;
- p += sprintf(p, "[Event \"%s\"]\n", gameInfo->event ? gameInfo->event : "?");
- p += sprintf(p, "[Site \"%s\"]\n", gameInfo->site ? gameInfo->site : "?");
- p += sprintf(p, "[Date \"%s\"]\n", gameInfo->date ? gameInfo->date : "?");
- p += sprintf(p, "[Round \"%s\"]\n", gameInfo->round ? gameInfo->round : "-");
- p += sprintf(p, "[White \"%s\"]\n", gameInfo->white ? gameInfo->white : "?");
- p += sprintf(p, "[Black \"%s\"]\n", gameInfo->black ? gameInfo->black : "?");
- p += sprintf(p, "[Result \"%s\"]\n", PGNResult(gameInfo->result));
- if (gameInfo->whiteRating >= 0)
- p += sprintf(p, "[WhiteElo \"%d\"]\n", gameInfo->whiteRating);
- if (gameInfo->blackRating >= 0)
- p += sprintf(p, "[BlackElo \"%d\"]\n", gameInfo->blackRating);
- if (gameInfo->timeControl)
- p += sprintf(p, "[TimeControl \"%s\"]\n", gameInfo->timeControl);
- if (gameInfo->variant != VariantNormal)
- p += sprintf(p, "[Variant \"%s\"]\n", VariantName(gameInfo->variant));
- if (gameInfo->extraTags)
- strcpy(p, gameInfo->extraTags);
- return buf;
-}
-
-
-/* Returns pointer to a static string with a result.
- */
-char *
-PGNResult (ChessMove result)
-{
- switch (result) {
- case GameUnfinished:
- default:
- return "*";
- case WhiteWins:
- return "1-0";
- case BlackWins:
- return "0-1";
- case GameIsDrawn:
- return "1/2-1/2";
- }
-}
-
-/* Returns 0 for success, nonzero for error */
-int
-ReplaceTags (char *tags, GameInfo *gameInfo)
-{
- ChessMove moveType;
- int err;
-
- ClearGameInfo(gameInfo);
- yynewstr(tags);
- for (;;) {
- yyboardindex = 0;
- moveType = (ChessMove) Myylex();
- if (moveType == (ChessMove) 0) {
- break;
- } else if (moveType == PGNTag) {
- err = ParsePGNTag(yy_text, gameInfo);
- if (err != 0) return err;
- }
- }
- /* just one problem...if there is a result in the new tags,
- * DisplayMove() won't ever show it because ClearGameInfo() set
- * gameInfo->resultDetails to NULL. So we must plug something in if there
- * is a result.
- */
- if (gameInfo->result != GameUnfinished) {
- if (gameInfo->resultDetails) free(gameInfo->resultDetails);
- gameInfo->resultDetails = strdup("");
- }
- return 0;
-}