Remove unnecessary double equals from configure.ac.
[xboard.git] / gamelist.c
index 0d24d1d..5471c76 100644 (file)
-/*\r
- * gamelist.c -- Functions to manage a gamelist\r
- * XBoard $Id: gamelist.c,v 2.1 2003/10/27 19:21:00 mann Exp $\r
- *\r
- * Copyright 1995 Free Software Foundation, Inc.\r
- *\r
- * ------------------------------------------------------------------------\r
- * This program is free software; you can redistribute it and/or modify\r
- * it under the terms of the GNU General Public License as published by\r
- * the Free Software Foundation; either version 2 of the License, or\r
- * (at your option) any later version.\r
- *\r
- * This program is distributed in the hope that it will be useful,\r
- * but WITHOUT ANY WARRANTY; without even the implied warranty of\r
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\r
- * GNU General Public License for more details.\r
- *\r
- * You should have received a copy of the GNU General Public License\r
- * along with this program; if not, write to the Free Software\r
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111 USA.\r
- * ------------------------------------------------------------------------\r
- */\r
-\r
-#include "config.h"\r
-\r
-#include <stdio.h>\r
-#include <errno.h>\r
-#if STDC_HEADERS\r
-# include <stdlib.h>\r
-# include <string.h>\r
-#else /* not STDC_HEADERS */\r
-# if HAVE_STRING_H\r
-#  include <string.h>\r
-# else /* not HAVE_STRING_H */\r
-#  include <strings.h>\r
-# endif /* not HAVE_STRING_H */\r
-#endif /* not STDC_HEADERS */\r
-\r
-#include "common.h"\r
-#include "frontend.h"\r
-#include "backend.h"\r
-#include "parser.h"\r
-\r
-\r
-/* Variables\r
- */\r
-List gameList;\r
-\r
-\r
-/* Local function prototypes\r
- */\r
-static void GameListDeleteGame P((ListGame *));\r
-static ListGame *GameListCreate P((void));\r
-static void GameListFree P((List *));\r
-static int GameListNewGame P((ListGame **));\r
-\r
-/* Delete a ListGame; implies removint it from a list.\r
- */\r
-static void GameListDeleteGame(listGame)\r
-    ListGame *listGame;\r
-{\r
-    if (listGame) {\r
-       if (listGame->gameInfo.event) free(listGame->gameInfo.event);\r
-       if (listGame->gameInfo.site) free(listGame->gameInfo.site);\r
-       if (listGame->gameInfo.date) free(listGame->gameInfo.date);\r
-       if (listGame->gameInfo.round) free(listGame->gameInfo.round);\r
-       if (listGame->gameInfo.white) free(listGame->gameInfo.white);\r
-       if (listGame->gameInfo.black) free(listGame->gameInfo.black);\r
-       if (listGame->gameInfo.fen) free(listGame->gameInfo.fen);\r
-       if (listGame->gameInfo.resultDetails) free(listGame->gameInfo.resultDetails);\r
-       if (listGame->gameInfo.timeControl) free(listGame->gameInfo.timeControl);\r
-       if (listGame->gameInfo.extraTags) free(listGame->gameInfo.extraTags);\r
-        if (listGame->gameInfo.outOfBook) free(listGame->gameInfo.outOfBook);\r
-       ListNodeFree((ListNode *) listGame);\r
-    }\r
-}\r
-\r
-\r
-/* Free the previous list of games.\r
- */\r
-static void GameListFree(gameList)\r
-    List *gameList;\r
-{\r
-    while (!ListEmpty(gameList))\r
-    {\r
-       GameListDeleteGame((ListGame *) gameList->head);\r
-    }\r
-}\r
-\r
-\r
-\r
-/* Initialize a new GameInfo structure.\r
- */\r
-void GameListInitGameInfo(gameInfo)\r
-    GameInfo *gameInfo;\r
-{\r
-    gameInfo->event = NULL;\r
-    gameInfo->site = NULL;\r
-    gameInfo->date = NULL;\r
-    gameInfo->round = NULL;\r
-    gameInfo->white = NULL;\r
-    gameInfo->black = NULL;\r
-    gameInfo->result = GameUnfinished;\r
-    gameInfo->fen = NULL;\r
-    gameInfo->resultDetails = NULL;\r
-    gameInfo->timeControl = NULL;\r
-    gameInfo->extraTags = NULL;\r
-    gameInfo->whiteRating = -1; /* unknown */\r
-    gameInfo->blackRating = -1; /* unknown */\r
-    gameInfo->variant = VariantNormal;\r
-    gameInfo->outOfBook = NULL;\r
-}\r
-\r
-\r
-/* Create empty ListGame; returns ListGame or NULL, if out of memory.\r
- *\r
- * Note, that the ListGame is *not* added to any list\r
- */\r
-static ListGame *GameListCreate()\r
-\r
-{\r
-    ListGame *listGame;\r
-\r
-    if ((listGame = (ListGame *) ListNodeCreate(sizeof(*listGame)))) {\r
-       GameListInitGameInfo(&listGame->gameInfo);\r
-    }\r
-    return(listGame);\r
-}\r
-\r
-\r
-/* Creates a new game for the gamelist.\r
- */\r
-static int GameListNewGame(listGamePtr)\r
-     ListGame **listGamePtr;\r
-{\r
-    if (!(*listGamePtr = (ListGame *) GameListCreate())) {\r
-       GameListFree(&gameList);\r
-       return(ENOMEM);\r
-    }\r
-    ListAddTail(&gameList, (ListNode *) *listGamePtr);\r
-    return(0);\r
-}\r
-\r
-\r
-/* Build the list of games in the open file f.\r
- * Returns 0 for success or error number.\r
- */\r
-int GameListBuild(f)\r
-    FILE *f;\r
-{\r
-    ChessMove cm, lastStart;\r
-    int gameNumber;\r
-    ListGame *currentListGame = NULL;\r
-    int error;\r
-    int offset;\r
-\r
-    GameListFree(&gameList);\r
-    yynewfile(f);\r
-    gameNumber = 0;\r
-\r
-    lastStart = (ChessMove) 0;\r
-    yyskipmoves = FALSE;\r
-    do {\r
-        yyboardindex = 0;\r
-       offset = yyoffset();\r
-       cm = (ChessMove) yylex();\r
-       switch (cm) {\r
-         case GNUChessGame:\r
-           if ((error = GameListNewGame(&currentListGame))) {\r
-               rewind(f);\r
-               yyskipmoves = FALSE;\r
-               return(error);\r
-           }\r
-           currentListGame->number = ++gameNumber;\r
-           currentListGame->offset = offset;\r
-           if (currentListGame->gameInfo.event != NULL) {\r
-               free(currentListGame->gameInfo.event);\r
-           }\r
-           currentListGame->gameInfo.event = StrSave(yy_text);\r
-           lastStart = cm;\r
-           break;\r
-         case XBoardGame:\r
-           lastStart = cm;\r
-           break;\r
-         case MoveNumberOne:\r
-           switch (lastStart) {\r
-             case GNUChessGame:\r
-               break;          /*  ignore  */\r
-             case PGNTag:\r
-               lastStart = cm;\r
-               break;          /*  Already started */\r
-             case (ChessMove) 0:\r
-             case MoveNumberOne:\r
-             case XBoardGame:\r
-               if ((error = GameListNewGame(&currentListGame))) {\r
-                   rewind(f);\r
-                   yyskipmoves = FALSE;\r
-                   return(error);\r
-               }\r
-               currentListGame->number = ++gameNumber;\r
-               currentListGame->offset = offset;\r
-               lastStart = cm;\r
-               break;\r
-             default:\r
-               break;          /*  impossible  */\r
-           }\r
-           break;\r
-         case PGNTag:\r
-           lastStart = cm;\r
-           if ((error = GameListNewGame(&currentListGame))) {\r
-               rewind(f);\r
-               yyskipmoves = FALSE;\r
-               return(error);\r
-           }\r
-           currentListGame->number = ++gameNumber;\r
-           currentListGame->offset = offset;\r
-           ParsePGNTag(yy_text, &currentListGame->gameInfo);\r
-           do {\r
-               yyboardindex = 1;\r
-               offset = yyoffset();\r
-               cm = (ChessMove) yylex();\r
-               if (cm == PGNTag) {\r
-                   ParsePGNTag(yy_text, &currentListGame->gameInfo);\r
-               }\r
-           } while (cm == PGNTag || cm == Comment);\r
-           break;\r
-         case NormalMove:\r
-           /* Allow the first game to start with an unnumbered move */\r
-           yyskipmoves = TRUE;\r
-           if (lastStart == (ChessMove) 0) {\r
-             if ((error = GameListNewGame(&currentListGame))) {\r
-               rewind(f);\r
-               yyskipmoves = FALSE;\r
-               return(error);\r
-             }\r
-             currentListGame->number = ++gameNumber;\r
-             currentListGame->offset = offset;\r
-             lastStart = MoveNumberOne;\r
-           }\r
-           break;\r
-         default:\r
-           break;\r
-       }\r
-    }\r
-    while (cm != (ChessMove) 0);\r
-\r
-\r
-    if (appData.debugMode) {\r
-       for (currentListGame = (ListGame *) gameList.head;\r
-            currentListGame->node.succ;\r
-            currentListGame = (ListGame *) currentListGame->node.succ) {\r
-\r
-           fprintf(debugFP, "Parsed game number %d, offset %ld:\n",\r
-                   currentListGame->number, currentListGame->offset);\r
-           PrintPGNTags(debugFP, &currentListGame->gameInfo);\r
-       }\r
-    }\r
-\r
-    rewind(f);\r
-    yyskipmoves = FALSE;\r
-    return 0;\r
-}\r
-\r
-\r
-/* Clear an existing GameInfo structure.\r
- */\r
-void ClearGameInfo(gameInfo)\r
-    GameInfo *gameInfo;\r
-{\r
-    if (gameInfo->event != NULL) {\r
-       free(gameInfo->event);\r
-    }\r
-    if (gameInfo->site != NULL) {\r
-       free(gameInfo->site);\r
-    }\r
-    if (gameInfo->date != NULL) {\r
-       free(gameInfo->date);\r
-    }\r
-    if (gameInfo->round != NULL) {\r
-       free(gameInfo->round);\r
-    }\r
-    if (gameInfo->white != NULL) {\r
-       free(gameInfo->white);\r
-    }\r
-    if (gameInfo->black != NULL) {\r
-       free(gameInfo->black);\r
-    }\r
-    if (gameInfo->resultDetails != NULL) {\r
-       free(gameInfo->resultDetails);\r
-    }\r
-    if (gameInfo->fen != NULL) {\r
-       free(gameInfo->fen);\r
-    }\r
-    if (gameInfo->timeControl != NULL) {\r
-       free(gameInfo->timeControl);\r
-    }\r
-    if (gameInfo->extraTags != NULL) {\r
-       free(gameInfo->extraTags);\r
-    }\r
-    if (gameInfo->outOfBook != NULL) {\r
-        free(gameInfo->outOfBook);\r
-    }\r
-\r
-    GameListInitGameInfo(gameInfo);\r
-}\r
-\r
-/* [AS] Replaced by "dynamic" tag selection below */\r
-char *\r
-GameListLineOld(number, gameInfo)\r
-     int number;\r
-     GameInfo *gameInfo;\r
-{\r
-    char *event = (gameInfo->event && strcmp(gameInfo->event, "?") != 0) ?\r
-                    gameInfo->event : gameInfo->site ? gameInfo->site : "?";\r
-    char *white = gameInfo->white ? gameInfo->white : "?";\r
-    char *black = gameInfo->black ? gameInfo->black : "?";\r
-    char *date = gameInfo->date ? gameInfo->date : "?";\r
-    int len = 10 + strlen(event) + 2 + strlen(white) + 1 + \r
-      strlen(black) + 11 + strlen(date) + 1;\r
-    char *ret = (char *) malloc(len);\r
-    sprintf(ret, "%d. %s, %s-%s, %s, %s",\r
-           number, event, white, black, PGNResult(gameInfo->result), date);\r
-    return ret;\r
-}\r
-\r
-#define MAX_FIELD_LEN   64  /* To avoid overflowing the buffer */\r
-\r
-char * GameListLine( int number, GameInfo * gameInfo )\r
-{\r
-    char buffer[1024];\r
-    char * buf = buffer;\r
-    char * glt = appData.gameListTags;\r
-    \r
-    buf += sprintf( buffer, "%d.", number );\r
-\r
-    while( *glt != '\0' ) {\r
-        *buf++ = ' ';\r
-\r
-        switch( *glt ) {\r
-        case GLT_EVENT:\r
-            strncpy( buf, gameInfo->event ? gameInfo->event : "?", MAX_FIELD_LEN );\r
-            break;\r
-        case GLT_SITE:\r
-            strncpy( buf, gameInfo->site ? gameInfo->site : "?", MAX_FIELD_LEN );\r
-            break;\r
-        case GLT_DATE:\r
-            strncpy( buf, gameInfo->date ? gameInfo->date : "?", MAX_FIELD_LEN );\r
-            break;\r
-        case GLT_ROUND:\r
-            strncpy( buf, gameInfo->round ? gameInfo->round : "?", MAX_FIELD_LEN );\r
-            break;\r
-        case GLT_PLAYERS:\r
-            strncpy( buf, gameInfo->white ? gameInfo->white : "?", MAX_FIELD_LEN );\r
-            buf[ MAX_FIELD_LEN-1 ] = '\0';\r
-            buf += strlen( buf );\r
-            *buf++ = '-';\r
-            strncpy( buf, gameInfo->black ? gameInfo->black : "?", MAX_FIELD_LEN );\r
-            break;\r
-        case GLT_RESULT:\r
-            strcpy( buf, PGNResult(gameInfo->result) );\r
-            break;\r
-        case GLT_WHITE_ELO:\r
-            if( gameInfo->whiteRating > 0 )\r
-                sprintf( buf, "%d", gameInfo->whiteRating );\r
-            else\r
-                strcpy( buf, "?" );\r
-            break;\r
-        case GLT_BLACK_ELO:\r
-            if( gameInfo->blackRating > 0 )\r
-                sprintf( buf, "%d", gameInfo->blackRating );\r
-            else\r
-                strcpy( buf, "?" );\r
-            break;\r
-        case GLT_TIME_CONTROL:\r
-            strncpy( buf, gameInfo->timeControl ? gameInfo->timeControl : "?", MAX_FIELD_LEN );\r
-            break;\r
-        case GLT_VARIANT:\r
-            break;\r
-        case GLT_OUT_OF_BOOK:\r
-            strncpy( buf, gameInfo->outOfBook ? gameInfo->outOfBook : "?", MAX_FIELD_LEN );\r
-            break;\r
-        default:\r
-            break;\r
-        }\r
-\r
-        buf[MAX_FIELD_LEN-1] = '\0';\r
-\r
-        buf += strlen( buf );\r
-\r
-        glt++;\r
-\r
-        if( *glt != '\0' ) {\r
-            *buf++ = ',';\r
-        }\r
-    }\r
-\r
-    *buf = '\0';\r
-\r
-    return strdup( buffer );\r
-}\r
-\r
-char * GameListLineFull( int number, GameInfo * gameInfo )\r
-{\r
-    char * event = gameInfo->event ? gameInfo->event : "?";\r
-    char * site = gameInfo->site ? gameInfo->site : "?";\r
-    char * white = gameInfo->white ? gameInfo->white : "?";\r
-    char * black = gameInfo->black ? gameInfo->black : "?";\r
-    char * round = gameInfo->round ? gameInfo->round : "?";\r
-    char * date = gameInfo->date ? gameInfo->date : "?";\r
-    char * oob = gameInfo->outOfBook ? gameInfo->outOfBook : "";\r
-    \r
-    int len = 64 + strlen(event) + strlen(site) + strlen(white) + strlen(black) + strlen(date) + strlen(oob);\r
-\r
-    char *ret = (char *) malloc(len);\r
-\r
-    sprintf(ret, "%d, \"%s\", \"%s\", \"%s\", \"%s\", \"%s\", \"%s\", \"%s\", \"%s\"", number, event, site, round, white, black, PGNResult(gameInfo->result), date, oob );\r
-\r
-    return ret;\r
-}\r
+/*
+ * gamelist.c -- Functions to manage a gamelist
+ *
+ * Copyright 1995, 2009, 2010 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/.  
+ *
+ *------------------------------------------------------------------------
+ ** See the file ChangeLog for a revision history.  */
+
+#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 **));
+
+/* [AS] Wildcard pattern matching */
+Boolean
+HasPattern( const char * text, const char * pattern )
+{
+    while( *pattern != '\0' ) {
+        if( *pattern == '*' ) {
+            while( *pattern == '*' ) {
+                pattern++;
+            }
+
+            if( *pattern == '\0' ) {
+                return TRUE;
+            }
+
+            while( *text != '\0' ) {
+                if( HasPattern( text, pattern ) ) {
+                    return TRUE;
+                }
+                text++;
+            }
+        }
+        else if( (*pattern == *text) || ((*pattern == '?') && (*text != '\0')) ) {
+            pattern++;
+            text++;
+            continue;
+        }
+
+        return FALSE;
+    }
+
+    return TRUE;
+}
+
+Boolean
+SearchPattern( const char * text, const char * pattern )
+{
+    Boolean result = TRUE;
+
+    if( pattern != NULL && *pattern != '\0' ) {
+        if( *pattern == '*' ) {
+            result = HasPattern( text, pattern );
+        }
+        else {
+            result = FALSE;
+
+            while( *text != '\0' ) {
+                if( HasPattern( text, pattern ) ) {
+                    result = TRUE;
+                    break;
+                }
+                text++;
+            }
+        }
+    }
+
+    return result;
+}
+
+/* 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);
+        if (listGame->gameInfo.outOfBook) free(listGame->gameInfo.outOfBook);
+       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;
+    gameInfo->outOfBook = NULL;
+    gameInfo->resultDetails = NULL;
+}
+
+
+/* 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;
+    char lastComment[MSG_SIZ];
+
+    GameListFree(&gameList);
+    yynewfile(f);
+    gameNumber = 0;
+
+    lastStart = (ChessMove) 0;
+    yyskipmoves = FALSE;
+    do {
+        yyboardindex = 0;
+       offset = yyoffset();
+       cm = (ChessMove) yylex();
+       switch (cm) {
+         case GNUChessGame:
+           if ((error = GameListNewGame(&currentListGame))) {
+               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(&currentListGame))) {
+                   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(&currentListGame))) {
+               rewind(f);
+               yyskipmoves = FALSE;
+               return(error);
+           }
+           currentListGame->number = ++gameNumber;
+           currentListGame->offset = offset;
+           ParsePGNTag(yy_text, &currentListGame->gameInfo);
+           do {
+               yyboardindex = 1;
+               offset = yyoffset();
+               cm = (ChessMove) yylex();
+               if (cm == PGNTag) {
+                   ParsePGNTag(yy_text, &currentListGame->gameInfo);
+               }
+           } while (cm == PGNTag || cm == Comment);
+           break;
+         case NormalMove:
+           /* Allow the first game to start with an unnumbered move */
+           yyskipmoves = TRUE;
+           if (lastStart == (ChessMove) 0) {
+             if ((error = GameListNewGame(&currentListGame))) {
+               rewind(f);
+               yyskipmoves = FALSE;
+               return(error);
+             }
+             currentListGame->number = ++gameNumber;
+             currentListGame->offset = offset;
+             lastStart = MoveNumberOne;
+           }
+           break;
+        case WhiteWins: // [HGM] rescom: save last comment as result details
+        case BlackWins:
+        case GameIsDrawn:
+        case GameUnfinished:
+           if (currentListGame->gameInfo.resultDetails != NULL) {
+               free(currentListGame->gameInfo.resultDetails);
+           }
+           if(yy_text[0] == '{') { char *p;
+               strcpy(lastComment, yy_text+1);
+               if(p = strchr(lastComment, '}')) *p = 0;
+               currentListGame->gameInfo.resultDetails = StrSave(lastComment);
+           }
+           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, &currentListGame->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);
+    }
+    if (gameInfo->outOfBook != NULL) {
+        free(gameInfo->outOfBook);
+    }
+    GameListInitGameInfo(gameInfo);
+}
+
+/* [AS] Replaced by "dynamic" tag selection below */
+char *
+GameListLineOld(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;
+}
+
+#define MAX_FIELD_LEN   80  /* To avoid overflowing the buffer */
+
+char * GameListLine( int number, GameInfo * gameInfo )
+{
+    char buffer[1024];
+    char * buf = buffer;
+    char * glt = appData.gameListTags;
+    
+    buf += sprintf( buffer, "%d.", number );
+
+    while( *glt != '\0' ) {
+        *buf++ = ' ';
+
+        switch( *glt ) {
+        case GLT_EVENT:
+            strncpy( buf, gameInfo->event ? gameInfo->event : "?", MAX_FIELD_LEN );
+            break;
+        case GLT_SITE:
+            strncpy( buf, gameInfo->site ? gameInfo->site : "?", MAX_FIELD_LEN );
+            break;
+        case GLT_DATE:
+            strncpy( buf, gameInfo->date ? gameInfo->date : "?", MAX_FIELD_LEN );
+            break;
+        case GLT_ROUND:
+            strncpy( buf, gameInfo->round ? gameInfo->round : "?", MAX_FIELD_LEN );
+            break;
+        case GLT_PLAYERS:
+            strncpy( buf, gameInfo->white ? gameInfo->white : "?", MAX_FIELD_LEN );
+            buf[ MAX_FIELD_LEN-1 ] = '\0';
+            buf += strlen( buf );
+            *buf++ = '-';
+            strncpy( buf, gameInfo->black ? gameInfo->black : "?", MAX_FIELD_LEN );
+            break;
+        case GLT_RESULT:
+            strcpy( buf, PGNResult(gameInfo->result) );
+            break;
+        case GLT_WHITE_ELO:
+            if( gameInfo->whiteRating > 0 )
+                sprintf( buf, "%d", gameInfo->whiteRating );
+            else
+                strcpy( buf, "?" );
+            break;
+        case GLT_BLACK_ELO:
+            if( gameInfo->blackRating > 0 )
+                sprintf( buf, "%d", gameInfo->blackRating );
+            else
+                strcpy( buf, "?" );
+            break;
+        case GLT_TIME_CONTROL:
+            strncpy( buf, gameInfo->timeControl ? gameInfo->timeControl : "?", MAX_FIELD_LEN );
+            break;
+        case GLT_VARIANT:
+            break;
+        case GLT_OUT_OF_BOOK:
+            strncpy( buf, gameInfo->outOfBook ? gameInfo->outOfBook : "?", MAX_FIELD_LEN );
+            break;
+        case GLT_RESULT_COMMENT:
+            strncpy( buf, gameInfo->resultDetails ? gameInfo->resultDetails : "res?", MAX_FIELD_LEN );
+            break;
+        default:
+            break;
+        }
+
+        buf[MAX_FIELD_LEN-1] = '\0';
+
+        buf += strlen( buf );
+
+        glt++;
+
+        if( *glt != '\0' ) {
+            *buf++ = ',';
+        }
+    }
+
+    *buf = '\0';
+
+    return strdup( buffer );
+}
+
+char * GameListLineFull( int number, GameInfo * gameInfo )
+{
+    char * event = gameInfo->event ? gameInfo->event : "?";
+    char * site = gameInfo->site ? gameInfo->site : "?";
+    char * white = gameInfo->white ? gameInfo->white : "?";
+    char * black = gameInfo->black ? gameInfo->black : "?";
+    char * round = gameInfo->round ? gameInfo->round : "?";
+    char * date = gameInfo->date ? gameInfo->date : "?";
+    char * oob = gameInfo->outOfBook ? gameInfo->outOfBook : "";
+    char * reason = gameInfo->resultDetails ? gameInfo->resultDetails : "";
+    
+    int len = 64 + strlen(event) + strlen(site) + strlen(white) + strlen(black) + strlen(date) + strlen(oob) + strlen(reason);
+
+    char *ret = (char *) malloc(len);
+
+    sprintf(ret, "%d, \"%s\", \"%s\", \"%s\", \"%s\", \"%s\", \"%s\", \"%s\", \"%s\", \"%s\"",
+       number, event, site, round, white, black, PGNResult(gameInfo->result), reason, date, oob );
+
+    return ret;
+}
+
+// --------------------------------------- Game-List options dialog --------------------------------------
+
+// back-end
+typedef struct {
+    char id;
+    char * name;
+} GLT_Item;
+
+// back-end: translation table tag id-char <-> full tag name
+static GLT_Item GLT_ItemInfo[] = {
+    { GLT_EVENT,      "Event" },
+    { GLT_SITE,       "Site" },
+    { GLT_DATE,       "Date" },
+    { GLT_ROUND,      "Round" },
+    { GLT_PLAYERS,    "Players" },
+    { GLT_RESULT,     "Result" },
+    { GLT_WHITE_ELO,  "White Rating" },
+    { GLT_BLACK_ELO,  "Black Rating" },
+    { GLT_TIME_CONTROL,"Time Control" },
+    { GLT_VARIANT,    "Variant" },
+    { GLT_OUT_OF_BOOK,PGN_OUT_OF_BOOK },
+    { GLT_RESULT_COMMENT, "Result Comment" }, // [HGM] rescom
+    { 0, 0 }
+};
+
+char lpUserGLT[64];
+
+// back-end: convert the tag id-char to a full tag name
+char * GLT_FindItem( char id )
+{
+    char * result = 0;
+
+    GLT_Item * list = GLT_ItemInfo;
+
+    while( list->id != 0 ) {
+        if( list->id == id ) {
+            result = list->name;
+            break;
+        }
+
+        list++;
+    }
+
+    return result;
+}
+
+// back-end: build the list of tag names
+void
+GLT_TagsToList( char * tags )
+{
+    char * pc = tags;
+
+    GLT_ClearList();
+
+    while( *pc ) {
+        GLT_AddToList( GLT_FindItem(*pc) );
+        pc++;
+    }
+
+    GLT_AddToList( "     --- Hidden tags ---     " );
+
+    pc = GLT_ALL_TAGS;
+
+    while( *pc ) {
+        if( strchr( tags, *pc ) == 0 ) {
+            GLT_AddToList( GLT_FindItem(*pc) );
+        }
+        pc++;
+    }
+
+    GLT_DeSelectList();
+}
+
+// back-end: retrieve item from dialog and translate to id-char
+char
+GLT_ListItemToTag( int index )
+{
+    char result = '\0';
+    char name[128];
+
+    GLT_Item * list = GLT_ItemInfo;
+
+    if( GLT_GetFromList(index, name) ) {
+        while( list->id != 0 ) {
+            if( strcmp( list->name, name ) == 0 ) {
+                result = list->id;
+                break;
+            }
+
+            list++;
+        }
+    }
+
+    return result;
+}
+
+// back-end: add items id-chars one-by-one to temp tags string
+void
+GLT_ParseList()
+{
+    char * pc = lpUserGLT;
+    int idx = 0;
+    char id;
+
+    do {
+       id = GLT_ListItemToTag( idx );
+       *pc++ = id;
+       idx++;
+    } while( id != '\0' );
+}
+