mirror of
git://xwords.git.sourceforge.net/gitroot/xwords/xwords
synced 2024-12-27 09:58:45 +01:00
81 lines
2.3 KiB
C
81 lines
2.3 KiB
C
/* -*-mode: C; fill-column: 78; c-basic-offset: 4; -*- */
|
|
/*
|
|
* Copyright 2001 by Eric House (xwords@eehouse.org). All rights reserved.
|
|
*
|
|
* 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 02111-1307, USA.
|
|
*/
|
|
|
|
#ifndef _FRANKGAMESDB_H_
|
|
#define _FRANKGAMESDB_H_
|
|
|
|
#include <assert.h>
|
|
#include <ctype.h>
|
|
#include "sys.h"
|
|
#include "gui.h"
|
|
#include "comtypes.h"
|
|
#include "mempool.h"
|
|
|
|
/* #include "ebm_object.h" */
|
|
|
|
struct DBRecord {
|
|
U16 length;
|
|
void* datum;
|
|
XP_UCHAR* name;
|
|
};
|
|
|
|
class CGamesDB {
|
|
|
|
private:
|
|
U16 nRecordsUsed;
|
|
U16 nRecordsAllocated;
|
|
DBRecord* fRecords;
|
|
S16 lockedIndex;
|
|
ebo_name_t xwfile;
|
|
|
|
void readFromFile( const ebo_name_t* xwfile );
|
|
void writeToFile();
|
|
void ensureSpace( U16 nNeeded );
|
|
|
|
MPSLOT
|
|
|
|
public:
|
|
/* create or open if already exists */
|
|
CGamesDB(MPFORMAL const XP_UCHAR* fileName);
|
|
|
|
/* commit optimized in-memory representation to a flat "file" */
|
|
~CGamesDB();
|
|
|
|
/* Return a ptr (read-only by convention!!) to the beginning of the
|
|
record's data. The ptr's valid until recordRelease is called. */
|
|
void* getNthRecord( U16 index, U16* recordLen );
|
|
void recordRelease( U16 index );
|
|
XP_UCHAR* getNthName( U16 index );
|
|
|
|
/* put data into a record, adding a new one, replacing or appending to an
|
|
existing one */
|
|
void putNthRecord( U16 index, void* ptr, U16 len );
|
|
void appendNthRecord( U16 index, void* ptr, U16 len );
|
|
void putNthName( U16 index, XP_UCHAR* name );
|
|
|
|
U16 duplicateNthRecord( U16 index );
|
|
void removeNthRecord( U16 index );
|
|
|
|
/* how many records do I have. indices passed by getter methods that are
|
|
>= this number are illegal. setters can pass a number = to this, in
|
|
which case we create a new record. */
|
|
U16 countRecords();
|
|
};
|
|
|
|
#endif
|