mirror of
git://xwords.git.sourceforge.net/gitroot/xwords/xwords
synced 2024-11-16 07:48:07 +01:00
88 lines
2.8 KiB
C
88 lines
2.8 KiB
C
/* -*-mode: C; fill-column: 78; c-basic-offset: 4;-*- */
|
|
/*
|
|
* Copyright 1998-2001 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 _DAWG_H_
|
|
#define _DAWG_H_
|
|
|
|
#include "xptypes.h"
|
|
|
|
/*
|
|
* the bits field has five bits for the character (0-based rather than
|
|
* 'a'-based, of course; one bit each indicating whether the edge may
|
|
* be terminal and whether it's the last edge of a sub-array; and a final
|
|
* bit that's overflow from the highByte field allowing indices to be in
|
|
* the range 0-(2^^17)-1
|
|
*/
|
|
#define LETTERMASK_OLD 0x1f
|
|
#define ACCEPTINGMASK_OLD 0x20
|
|
#define LASTEDGEMASK_OLD 0x40
|
|
#define EXTRABITMASK_OLD 0x80
|
|
|
|
#define LETTERMASK_NEW_4 0x3f
|
|
#define LETTERMASK_NEW_3 0x1f
|
|
#define ACCEPTINGMASK_NEW 0x80
|
|
#define LASTEDGEMASK_NEW 0x40
|
|
/* This guy doesn't exist in 4-byte case */
|
|
#define EXTRABITMASK_NEW 0x20
|
|
|
|
#define OLD_THREE_FIELDS \
|
|
XP_U8 highByte; \
|
|
XP_U8 lowByte; \
|
|
XP_U8 bits
|
|
|
|
typedef struct array_edge_old {
|
|
OLD_THREE_FIELDS;
|
|
} array_edge_old;
|
|
|
|
typedef struct array_edge_new {
|
|
OLD_THREE_FIELDS;
|
|
XP_U8 moreBits;
|
|
} array_edge_new;
|
|
|
|
typedef XP_U8 array_edge;
|
|
|
|
/* This thing exists only in current xwords dicts (on PalmOS); not sure if I
|
|
* should do away with it.
|
|
*/
|
|
typedef struct dawg_header {
|
|
unsigned long numWords;
|
|
unsigned char firstEdgeRecNum;
|
|
unsigned char charTableRecNum;
|
|
unsigned char valTableRecNum;
|
|
unsigned char reserved[3]; /* worst case this points to a new resource */
|
|
#ifdef NODE_CAN_4
|
|
unsigned short flags;
|
|
#endif
|
|
} dawg_header;
|
|
|
|
/* Part of xwords3 dictionaries on PalmOS */
|
|
typedef struct Xloc_header {
|
|
unsigned char langCodeFlags; /* can't do bitfields; gcc for pilot and x86
|
|
seem to generate different code */
|
|
unsigned char padding; /* ptrs to the shorts in Xloc_specialEntry
|
|
will otherwise be odd */
|
|
} Xloc_header;
|
|
|
|
typedef struct Xloc_specialEntry {
|
|
unsigned char textVersion[4]; /* string can be up to 3 chars long */
|
|
short hasLarge;
|
|
short hasSmall;
|
|
} Xloc_specialEntry;
|
|
|
|
#endif /* _DAWG_H_ */
|