--- /dev/null
+/*
+ * gamelist.c -- Functions to manage a gamelist
+ * 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.
+ * ------------------------------------------------------------------------
+ */
+
+#include "config.h"
+
+#include <stdio.h>
+#include <errno.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"
+
+
+/* Variables
+ */
+List gameList;
+
+
+/* Local function prototypes
+ */
+static void GameListDeleteGame P((ListGame *));
+static ListGame *GameListCreate P((void));
+static void GameListFree P((List *));
+static int GameListNewGame P((ListGame **));
+
+/* Delete a ListGame; implies removint it from a list.
+ */
+static void GameListDeleteGame(listGame)
+ ListGame *listGame;
+{
+ if (listGame) {
+ if (listGame->gameInfo.event) free(listGame->gameInfo.event);
+ if (listGame->gameInfo.site) free(listGame->gameInfo.site);
+ if (listGame->gameInfo.date) free(listGame->gameInfo.date);
+ if (listGame->gameInfo.round) free(listGame->gameInfo.round);
+ if (listGame->gameInfo.white) free(listGame->gameInfo.white);
+ if (listGame->gameInfo.black) free(listGame->gameInfo.black);
+ if (listGame->gameInfo.fen) free(listGame->gameInfo.fen);
+ if (listGame->gameInfo.resultDetails) free(listGame->gameInfo.resultDetails);
+ if (listGame->gameInfo.timeControl) free(listGame->gameInfo.timeControl);
+ if (listGame->gameInfo.extraTags) free(listGame->gameInfo.extraTags);
+ ListNodeFree((ListNode *) listGame);
+ }
+}
+
+
+/* Free the previous list of games.
+ */
+static void GameListFree(gameList)
+ List *gameList;
+{
+ while (!ListEmpty(gameList))
+ {
+ GameListDeleteGame((ListGame *) gameList->head);
+ }
+}
+
+
+
+/* Initialize a new GameInfo structure.
+ */
+void GameListInitGameInfo(gameInfo)
+ GameInfo *gameInfo;
+{
+ gameInfo->event = NULL;
+ gameInfo->site = NULL;
+ gameInfo->date = NULL;
+ gameInfo->round = NULL;
+ gameInfo->white = NULL;
+ gameInfo->black = NULL;
+ gameInfo->result = GameUnfinished;
+ gameInfo->fen = NULL;
+ gameInfo->resultDetails = NULL;
+ gameInfo->timeControl = NULL;
+ gameInfo->extraTags = NULL;
+ gameInfo->whiteRating = -1; /* unknown */
+ gameInfo->blackRating = -1; /* unknown */
+ gameInfo->variant = VariantNormal;
+}
+
+
+/* Create empty ListGame; returns ListGame or NULL, if out of memory.
+ *
+ * Note, that the ListGame is *not* added to any list
+ */
+static ListGame *GameListCreate()
+
+{
+ ListGame *listGame;
+
+ if ((listGame = (ListGame *) ListNodeCreate(sizeof(*listGame)))) {
+ GameListInitGameInfo(&listGame->gameInfo);
+ }
+ return(listGame);
+}
+
+
+/* Creates a new game for the gamelist.
+ */
+static int GameListNewGame(listGamePtr)
+ ListGame **listGamePtr;
+{
+ if (!(*listGamePtr = (ListGame *) GameListCreate())) {
+ GameListFree(&gameList);
+ return(ENOMEM);
+ }
+ ListAddTail(&gameList, (ListNode *) *listGamePtr);
+ return(0);
+}
+
+
+/* Build the list of games in the open file f.
+ * Returns 0 for success or error number.
+ */
+int GameListBuild(f)
+ FILE *f;
+{
+ ChessMove cm, lastStart;
+ int gameNumber;
+ ListGame *currentListGame = NULL;
+ int error;
+ int offset;
+
+ GameListFree(&gameList);
+ yynewfile(f);
+ gameNumber = 0;
+
+ lastStart = (ChessMove) 0;
+ yyskipmoves = TRUE;
+ do {
+ yyboardindex = 1;
+ offset = yyoffset();
+ cm = (ChessMove) yylex();
+ switch (cm) {
+ case GNUChessGame:
+ if ((error = GameListNewGame(¤tListGame))) {
+ rewind(f);
+ yyskipmoves = FALSE;
+ return(error);
+ }
+ currentListGame->number = ++gameNumber;
+ currentListGame->offset = offset;
+ if (currentListGame->gameInfo.event != NULL) {
+ free(currentListGame->gameInfo.event);
+ }
+ currentListGame->gameInfo.event = StrSave(yy_text);
+ lastStart = cm;
+ break;
+ case XBoardGame:
+ lastStart = cm;
+ break;
+ case MoveNumberOne:
+ switch (lastStart) {
+ case GNUChessGame:
+ break; /* ignore */
+ case PGNTag:
+ lastStart = cm;
+ break; /* Already started */
+ case (ChessMove) 0:
+ case MoveNumberOne:
+ case XBoardGame:
+ if ((error = GameListNewGame(¤tListGame))) {
+ rewind(f);
+ yyskipmoves = FALSE;
+ return(error);
+ }
+ currentListGame->number = ++gameNumber;
+ currentListGame->offset = offset;
+ lastStart = cm;
+ break;
+ default:
+ break; /* impossible */
+ }
+ break;
+ case PGNTag:
+ lastStart = cm;
+ if ((error = GameListNewGame(¤tListGame))) {
+ rewind(f);
+ yyskipmoves = FALSE;
+ return(error);
+ }
+ currentListGame->number = ++gameNumber;
+ currentListGame->offset = offset;
+ ParsePGNTag(yy_text, ¤tListGame->gameInfo);
+ do {
+ yyboardindex = 1;
+ offset = yyoffset();
+ cm = (ChessMove) yylex();
+ if (cm == PGNTag) {
+ ParsePGNTag(yy_text, ¤tListGame->gameInfo);
+ }
+ } while (cm == PGNTag || cm == Comment);
+ break;
+ default:
+ break;
+ }
+ }
+ while (cm != (ChessMove) 0);
+
+
+ if (appData.debugMode) {
+ for (currentListGame = (ListGame *) gameList.head;
+ currentListGame->node.succ;
+ currentListGame = (ListGame *) currentListGame->node.succ) {
+
+ fprintf(debugFP, "Parsed game number %d, offset %ld:\n",
+ currentListGame->number, currentListGame->offset);
+ PrintPGNTags(debugFP, ¤tListGame->gameInfo);
+ }
+ }
+
+ rewind(f);
+ yyskipmoves = FALSE;
+ return 0;
+}
+
+
+/* Clear an existing GameInfo structure.
+ */
+void ClearGameInfo(gameInfo)
+ GameInfo *gameInfo;
+{
+ if (gameInfo->event != NULL) {
+ free(gameInfo->event);
+ }
+ if (gameInfo->site != NULL) {
+ free(gameInfo->site);
+ }
+ if (gameInfo->date != NULL) {
+ free(gameInfo->date);
+ }
+ if (gameInfo->round != NULL) {
+ free(gameInfo->round);
+ }
+ if (gameInfo->white != NULL) {
+ free(gameInfo->white);
+ }
+ if (gameInfo->black != NULL) {
+ free(gameInfo->black);
+ }
+ if (gameInfo->resultDetails != NULL) {
+ free(gameInfo->resultDetails);
+ }
+ if (gameInfo->fen != NULL) {
+ free(gameInfo->fen);
+ }
+ if (gameInfo->timeControl != NULL) {
+ free(gameInfo->timeControl);
+ }
+ if (gameInfo->extraTags != NULL) {
+ free(gameInfo->extraTags);
+ }
+
+ GameListInitGameInfo(gameInfo);
+}
+
+char *
+GameListLine(number, gameInfo)
+ int number;
+ GameInfo *gameInfo;
+{
+ char *event = (gameInfo->event && strcmp(gameInfo->event, "?") != 0) ?
+ gameInfo->event : gameInfo->site ? gameInfo->site : "?";
+ char *white = gameInfo->white ? gameInfo->white : "?";
+ char *black = gameInfo->black ? gameInfo->black : "?";
+ char *date = gameInfo->date ? gameInfo->date : "?";
+ int len = 10 + strlen(event) + 2 + strlen(white) + 1 +
+ strlen(black) + 11 + strlen(date) + 1;
+ char *ret = (char *) malloc(len);
+ sprintf(ret, "%d. %s, %s-%s, %s, %s",
+ number, event, white, black, PGNResult(gameInfo->result), date);
+ return ret;
+}
+