+++ /dev/null
-/*
- * pgntags.c -- Functions to manage PGN tags
- * XBoard $Id$
- *
- * Copyright 1995 Free Software Foundation, Inc.
- *
- * ------------------------------------------------------------------------
- * 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 2 of the License, 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., 59 Temple Place, Suite 330, Boston, MA 02111 USA.
- * ------------------------------------------------------------------------
- *
- * 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"
-
-static char *PGNTagsStatic P((GameInfo *));
-
-
-
-/* Parse PGN tags; returns 0 for success or error number
- */
-int ParsePGNTag(tag, gameInfo)
- 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, "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 */
- gameInfo->variant = StringToVariant(value);
- success = TRUE;
- } 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);
-}
-
-
-
-/* Return a static buffer with a game's data.
- */
-static char *PGNTagsStatic(gameInfo)
- GameInfo *gameInfo;
-{
- static char buf[8192];
- char buf1[MSG_SIZ];
-
- buf[0] = NULLCHAR;
-
- sprintf(buf1, "[Event \"%s\"]\n",
- gameInfo->event ? gameInfo->event : "?");
- strcat(buf, buf1);
- sprintf(buf1, "[Site \"%s\"]\n",
- gameInfo->site ? gameInfo->site : "?");
- strcat(buf, buf1);
- sprintf(buf1, "[Date \"%s\"]\n",
- gameInfo->date ? gameInfo->date : "?");
- strcat(buf, buf1);
- sprintf(buf1, "[Round \"%s\"]\n",
- gameInfo->round ? gameInfo->round : "-");
- strcat(buf, buf1);
- sprintf(buf1, "[White \"%s\"]\n",
- gameInfo->white ? gameInfo->white : "?");
- strcat(buf, buf1);
- sprintf(buf1, "[Black \"%s\"]\n",
- gameInfo->black ? gameInfo->black : "?");
- strcat(buf, buf1);
- sprintf(buf1, "[Result \"%s\"]\n", PGNResult(gameInfo->result));
- strcat(buf, buf1);
-
- if (gameInfo->whiteRating >= 0 ) {
- sprintf(buf1, "[WhiteElo \"%d\"]\n", gameInfo->whiteRating );
- strcat(buf, buf1);
- }
- if ( gameInfo->blackRating >= 0 ) {
- sprintf(buf1, "[BlackElo \"%d\"]\n", gameInfo->blackRating );
- strcat(buf, buf1);
- }
- if (gameInfo->timeControl != NULL) {
- sprintf(buf1, "[TimeControl \"%s\"]\n", gameInfo->timeControl);
- strcat(buf, buf1);
- }
- if (gameInfo->variant != VariantNormal) {
- sprintf(buf1, "[Variant \"%s\"]\n", VariantName(gameInfo->variant));
- strcat(buf, buf1);
- }
- if (gameInfo->extraTags != NULL) {
- strcat(buf, gameInfo->extraTags);
- }
- return buf;
-}
-
-
-
-/* Print game info
- */
-void PrintPGNTags(fp, gameInfo)
- FILE *fp;
- GameInfo *gameInfo;
-{
- fprintf(fp, "%s", PGNTagsStatic(gameInfo));
-}
-
-
-/* Return a non-static buffer with a games info.
- */
-char *PGNTags(gameInfo)
- GameInfo *gameInfo;
-{
- return StrSave(PGNTagsStatic(gameInfo));
-}
-
-
-/* Returns pointer to a static string with a result.
- */
-char *PGNResult(result)
- 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(tags, gameInfo)
- char *tags;
- GameInfo *gameInfo;
-{
- ChessMove moveType;
- int err;
-
- ClearGameInfo(gameInfo);
- yynewstr(tags);
- for (;;) {
- yyboardindex = 0;
- moveType = (ChessMove) yylex();
- 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;
-}
projects / xboard.git / blobdiff