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harbour-core/include/hbrddfpt.h
vszakats a4a357a18b 2013-03-15 11:12 UTC+0100 Viktor Szakats (harbour syenar.net) 
* /harbour/* -> /*
    * moved whole Harbour source tree one level up to
      avoid single 'harbour' top dir
2013-03-15 11:13:30 +01:00

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/*
* $Id$
*/
/*
* xHarbour Project source code:
* DBFFPT RDD
*
* Copyright 2003 Przemyslaw Czerpak <druzus@acn.waw.pl>
* www - http://www.xharbour.org
*
* 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, 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 software; see the file COPYING.txt. If not, write to
* the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
* Boston, MA 02111-1307 USA (or visit the web site http://www.gnu.org/).
*
* As a special exception, the Harbour Project gives permission for
* additional uses of the text contained in its release of Harbour.
*
* The exception is that, if you link the Harbour libraries with other
* files to produce an executable, this does not by itself cause the
* resulting executable to be covered by the GNU General Public License.
* Your use of that executable is in no way restricted on account of
* linking the Harbour library code into it.
*
* This exception does not however invalidate any other reasons why
* the executable file might be covered by the GNU General Public License.
*
* This exception applies only to the code released by the Harbour
* Project under the name Harbour. If you copy code from other
* Harbour Project or Free Software Foundation releases into a copy of
* Harbour, as the General Public License permits, the exception does
* not apply to the code that you add in this way. To avoid misleading
* anyone as to the status of such modified files, you must delete
* this exception notice from them.
*
* If you write modifications of your own for Harbour, it is your choice
* whether to permit this exception to apply to your modifications.
* If you do not wish that, delete this exception notice.
*
*/
#ifndef HB_RDDFPT_H_
#define HB_RDDFPT_H_
#include "hbrdddbf.h"
HB_EXTERN_BEGIN
/* MEMO constants and defaults */
#define DBT_MEMOEXT ".dbt"
#define FPT_MEMOEXT ".fpt"
#define SMT_MEMOEXT ".smt"
#define DBV_MEMOEXT ".dbv"
#define DBT_DEFBLOCKSIZE 512
#define FPT_DEFBLOCKSIZE 64
#define SMT_DEFBLOCKSIZE 32
#define FPT_LOCKPOS 0x00000000L
#define FPT_LOCKSIZE 0x00000001L
#define FPT_ROOTBLOCK_OFFSET 0x218 /* Clipper 5.3 ROOT data block offset */
#define SIX_ITEM_BUFSIZE 14
#define FLEX_ITEM_BUFSIZE 8
#define MAX_SIXFREEBLOCKS 82
#define MAX_FLEXFREEBLOCKS 126
#define FLEXGCPAGE_SIZE 1010
/* "V" filed types */
#define HB_VF_CHAR 64000
#define HB_VF_DATE 64001
#define HB_VF_INT 64002
#define HB_VF_LOG 64003
#define HB_VF_DNUM 64004
#define HB_VF_ARRAY 64005
#define HB_VF_BLOB 64006
#define HB_VF_BLOBCOMPRESS 64007
#define HB_VF_BLOBENCRYPT 64008
/* SMT types */
#define SMT_IT_NIL 0
#define SMT_IT_CHAR 1
#define SMT_IT_INT 2
#define SMT_IT_DOUBLE 3
#define SMT_IT_DATE 4
#define SMT_IT_LOGICAL 5
#define SMT_IT_ARRAY 6
#define FPTIT_DUMMY 0xDEADBEAF
#define FPTIT_BINARY 0x0000
#define FPTIT_PICT 0x0000 /* Picture */
#define FPTIT_TEXT 0x0001 /* Text */
#define FPTIT_OBJ 0x0002 /* Object */
#define FPTIT_SIX_NIL 0x0000 /* NIL VALUE (USED ONLY IN ARRAYS) */
#define FPTIT_SIX_LNUM 0x0002 /* LONG LE */
#define FPTIT_SIX_DNUM 0x0008 /* DOUBLE LE */
#define FPTIT_SIX_LDATE 0x0020 /* DATE (LONG LE) */
#define FPTIT_SIX_LOG 0x0080 /* LOGIC */
#define FPTIT_SIX_CHAR 0x0400 /* CHAR */
#define FPTIT_SIX_ARRAY 0x8000 /* ARRAY */
/* #define FPTIT_SIX_BLOCK 0x1000 */
/* #define FPTIT_SIX_VREF 0x2000 */
/* #define FPTIT_SIX_MREF 0x4000 */
#define FPTIT_FLEX_GC 0x03E8 /* 1000 */
#define FPTIT_FLEX_UNUSED 0x03E9 /* 1001 */
#define FPTIT_FLEX_ARRAY 0x03EA /* 1002 */
#define FPTIT_FLEX_OBJECT 0x03EB /* 1003 ! */
#define FPTIT_FLEX_VOARR 0x03EC /* 1004 ! */
#define FPTIT_FLEX_VOOBJ 0x03ED /* 1005 ! */
#define FPTIT_FLEX_NIL 0x03EE /* 1006 */
#define FPTIT_FLEX_TRUE 0x03EF /* 1007 */
#define FPTIT_FLEX_FALSE 0x03F0 /* 1008 */
#define FPTIT_FLEX_LDATE 0x03F1 /* 1009 */
#define FPTIT_FLEX_CHAR 0x03F2 /* 1010 */
#define FPTIT_FLEX_UCHAR 0x03F3 /* 1011 */
#define FPTIT_FLEX_SHORT 0x03F4 /* 1012 */
#define FPTIT_FLEX_USHORT 0x03F5 /* 1013 */
#define FPTIT_FLEX_LONG 0x03F6 /* 1014 */
#define FPTIT_FLEX_ULONG 0x03F7 /* 1015 */
#define FPTIT_FLEX_DOUBLE 0x03F8 /* 1016 */
#define FPTIT_FLEX_LDOUBLE 0x03F9 /* 1017 ! */
#define FPTIT_FLEX_COMPRCH 0x03FA /* 1018 ! */
/* Flex II types */
#define FPTIT_FLEX_DBLITEM 0x2710 /* 10000 14-bytes Clipper double item */
#define FPTIT_FLEX_LOGICAL 0x2711 /* 10001 4-bytes logical value */
#define FPTIT_FLEX_NULSTR 0x2722 /* 10002 empty string */
#define FPTIT_FLEXAR_NIL 0x00 /* () */
#define FPTIT_FLEXAR_UCHAR 0x01 /* uchar */
#define FPTIT_FLEXAR_CHAR 0x02 /* char */
#define FPTIT_FLEXAR_SHORT 0x03 /* short[2] */
#define FPTIT_FLEXAR_USHORT 0x04 /* ushort[2] */
#define FPTIT_FLEXAR_LONG 0x05 /* long[4] */
/* 0x06 - unknown */
#define FPTIT_FLEXAR_STR 0x07 /* len[2], char[n] */
/* 0x08 - unknown */
#define FPTIT_FLEXAR_DOUBLE 0x09 /* double[8] */
#define FPTIT_FLEXAR_DATEX 0x0A /* long[4] */
#define FPTIT_FLEXAR_LOGIC 0x0B /* val[1] */
#define FPTIT_FLEXAR_ARAY 0x0C /* len[2], ... */
/* 0x0D - unknown */
#define FPTIT_FLEXAR_DATEJ 0x0E /* long[4] */
#define FPTIT_FLEXAR_DOUBLE2 0x0F /* len, dec, double[8] */
/* 0x10 - unknown */
#define FPTIT_FLEXAR_UCHAR1 0x11 /* byte, dec */
#define FPTIT_FLEXAR_CHAR1 0x12 /* char, dec */
#define FPTIT_FLEXAR_SHORT1 0x13 /* short[2], len */
#define FPTIT_FLEXAR_USHORT1 0x14 /* ushort[2], len */
#define FPTIT_FLEXAR_LONG1 0x15 /* long[4], len */
/* 0x16 - unknown */
/* 0x17 - unknown */
#define FPTIT_FLEXAR_NUL 0x18 /* () */
#define FPTIT_FLEXAR_TRUE 0x19 /* () */
#define FPTIT_FLEXAR_FALSE 0x1A /* () */
#define FPTIT_FLEXAR_LDOUBLE 0x1B /* longdouble[10] */
#define FPTIT_FLEXAR_UCHAR2 0x1C /* byte[1], len, dec */
#define FPTIT_FLEXAR_CHAR2 0x1D /* char[1], len, dec */
#define FPTIT_FLEXAR_SHORT2 0x1E /* short[2], len, dec */
#define FPTIT_FLEXAR_USHORT2 0x1F /* ushort[2], len, dec */
#define FPTIT_FLEXAR_LONG2 0x20 /* long[4], len, dec */
#define FPTIT_FLEXAR_ULONG2 0x21 /* ulong[4], len, dec */
/* MEMO file strucutres */
typedef struct _FPTHEADER
{
HB_BYTE nextBlock[ 4 ]; /* Next free block in the file */
HB_BYTE blockSize[ 4 ]; /* Size of block */
HB_BYTE signature1[ 10 ]; /* Signature: "SixMemo", "Harbour", "Made by CLIP"-overwrites next bytes*/
HB_BYTE nGCitems[ 2 ]; /* number of GC items in reserved2 (max 82)*/
HB_BYTE reserved2[ 492 ]; /* */
HB_BYTE signature2[ 12 ]; /* Signature: "FlexFile3\003" */
HB_BYTE flexRev[ 4 ]; /* Offset of reversed GC page */
HB_BYTE flexDir[ 4 ]; /* Offset of GC page */
HB_BYTE counter[ 4 ]; /* cyclic counter to sign changes in network env. */
HB_BYTE rootBlock[ 4 ]; /* Clipper 5.3 ROOT data block */
HB_BYTE flexSize[ 2 ]; /* FlexFile3 alternative block size */
HB_BYTE reserved4[ 482 ]; /* */
} FPTHEADER;
typedef FPTHEADER * LPFPTHEADER;
typedef struct _FPTBLOCK
{
HB_BYTE type[ 4 ]; /* see: FPTIT_ */
HB_BYTE size[ 4 ]; /* length of data in bytes */
} FPTBLOCK;
typedef FPTBLOCK * LPFPTBLOCK;
/* MEMO internal memory structures */
typedef struct _MEMOGCITEM
{
HB_ULONG ulOffset; /* Number of blocks */
HB_ULONG ulSize; /* Block number */
HB_BOOL fChanged; /* Mark the free page as changed */
} MEMOGCITEM;
typedef MEMOGCITEM * LPMEMOGCITEM;
typedef struct _MEMOGCTABLE
{
HB_BYTE bType; /* MEMO_FPT_SIX or MEMO_FPT_FLEX */
HB_BYTE bChanged; /* Should we write GC data to disk */
HB_ULONG ulNextBlock; /* Next free block in the file */
HB_ULONG ulPrevBlock; /* Previous next free block in the file */
HB_ULONG ulRevPage; /* FLEX Rev GC page offset */
HB_ULONG ulDirPage; /* FLEX Dir GC page offset */
HB_ULONG ulCounter; /* FLEX cyclic counter */
HB_ULONG ulSize; /* FLEX GC page size in bytes */
HB_USHORT usMaxItem; /* max number of items in pGCitems */
HB_USHORT usItems; /* number of items in pGCitems */
LPMEMOGCITEM pGCitems; /* free block list */
FPTHEADER fptHeader; /* FPT file header */
} MEMOGCTABLE;
typedef MEMOGCTABLE * LPMEMOGCTABLE;
/*
* DBFFPT WORKAREA
* ------------
* The Workarea Structure of DBFFPT RDD
*
*/
/* we don't have to change DBFAREA to create FPTAREA */
typedef DBFAREA FPTAREA;
typedef FPTAREA * LPFPTAREA;
#ifndef FPTAREAP
#define FPTAREAP LPFPTAREA
#endif
#undef SUPERTABLE
#define SUPERTABLE ( &fptSuper )
HB_EXTERN_END
#endif /* HB_RDDFPT_H_ */
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