* contrib/gtqtc/gtqtc1.cpp
* contrib/gtwvg/gtwgud.c
* contrib/gtwvw/wvwdraw.c
* contrib/hbamf/amfdec.c
* contrib/hbamf/amfstdio.c
* contrib/hbbz2io/bz2io.c
* contrib/hbgzio/gzio.c
* contrib/hbhpdf/core.c
* contrib/hbmemio/memio.c
* contrib/hbmisc/irm.c
* contrib/hbmisc/spd.c
* contrib/hbnetio/netiosrv.c
* contrib/hbssl/ssl_sock.c
* contrib/hbwin/olecore.c
* contrib/hbwin/wapi_commctrl.c
* contrib/hbwin/wapi_winuser.c
* contrib/hbwin/win_bmpd.c
* contrib/hbwin/win_misc.c
* contrib/hbzebra/qrcode.c
* contrib/rddads/ads1.c
* contrib/rddads/adsfunc.c
* contrib/rddsql/sqlmix.c
* contrib/sddfb/core.c
* contrib/xhb/cstructc.c
* contrib/xhb/hboutdbg.c
* contrib/xhb/hbserv.c
* include/hbdefs.h
* include/hbexprb.c
* include/hbrddcdx.h
* include/hbthread.h
* include/hbwmain.c
* src/common/hbffind.c
* src/compiler/complex.c
* src/compiler/hbmain.c
* src/compiler/hbopt.c
* src/debug/dbgentry.c
* src/rdd/dbf1.c
* src/rdd/dbfcdx/dbfcdx1.c
* src/rdd/dbffpt/dbffpt1.c
* src/rdd/dbfnsx/dbfnsx1.c
* src/rdd/dbfntx/dbfntx1.c
* src/rdd/hbsix/sxcompr.c
* src/rdd/wacore.c
* src/rdd/workarea.c
* src/rtl/cputime.c
* src/rtl/dates.c
* src/rtl/gtchrmap.c
* src/rtl/gtcrs/gtcrs.c
* src/rtl/gtpca/gtpca.c
* src/rtl/gtsln/gtsln.c
* src/rtl/gtsln/kbsln.c
* src/rtl/gtsln/keytrans.c
* src/rtl/gtstd/gtstd.c
* src/rtl/gttrm/gttrm.c
* src/rtl/gtwvt/gtwvt.c
* src/rtl/gtxwc/gtxwc.c
* src/rtl/hbcom.c
* src/rtl/hbproces.c
* src/rtl/itemseri.c
* src/rtl/langapi.c
* src/rtl/run.c
* src/rtl/sha1.c
* src/rtl/space.c
* src/vm/classes.c
* src/vm/hvm.c
* src/vm/itemapi.c
* src/vm/set.c
* src/vm/thread.c
* convert commented C code to #if 0 blocks, or clean them up in
different ways
482 lines
19 KiB
C
482 lines
19 KiB
C
/*
|
|
* DBFCDX RDD (ver.2)
|
|
*
|
|
* Copyright 1999 Bruno Cantero <bruno@issnet.net>
|
|
* Copyright 2003 Przemyslaw Czerpak <druzus@acn.waw.pl>
|
|
*
|
|
* 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 program; see the file LICENSE.txt. If not, write to
|
|
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
|
|
* Boston, MA 02110-1301 USA (or visit https://www.gnu.org/licenses/).
|
|
*
|
|
* 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_RDDCDX_H_
|
|
#define HB_RDDCDX_H_
|
|
|
|
#include "hbrdddbf.h"
|
|
|
|
HB_EXTERN_BEGIN
|
|
|
|
/* CDX constants and defaults */
|
|
#define CDX_INDEXEXT ".cdx"
|
|
#define CDX_MAXKEY 240
|
|
#define CDX_MAXEXP 255
|
|
#define CDX_MAXTAGNAMELEN 10
|
|
#define CDX_PAGELEN_BITS 9
|
|
#define CDX_PAGELEN (1<<CDX_PAGELEN_BITS)
|
|
#define CDX_PAGELEN_MAX 0x2000
|
|
#define CDX_HEADERLEN 1024
|
|
#define CDX_HEADEREXPLEN (CDX_HEADERLEN - 512)
|
|
#define CDX_INT_HEADSIZE 12
|
|
#define CDX_EXT_HEADSIZE 24
|
|
|
|
#define CDX_HARBOUR_SIGNATURE 0x52434842L /* Harbour index signature: RCHB */
|
|
|
|
#define CDX_STACKSIZE 64
|
|
#define CDX_PAGECACHESIZE 8
|
|
#define CDX_NODE_BRANCH 0
|
|
#define CDX_NODE_ROOT 1
|
|
#define CDX_NODE_LEAF 2
|
|
#define CDX_NODE_UNUSED 0xFF
|
|
#define CDX_IGNORE_REC_NUM 0x0L
|
|
#define CDX_MAX_REC_NUM 0xFFFFFFFFL
|
|
#define CDX_DUMMYNODE 0xFFFFFFFFL
|
|
#define CDX_BALANCE_LEAFPAGES 3
|
|
#define CDX_BALANCE_INTPAGES 3
|
|
|
|
#define CDX_CURKEY_UNDEF (1<< 0)
|
|
#define CDX_CURKEY_REC (1<< 1)
|
|
#define CDX_CURKEY_VAL (1<< 2)
|
|
#define CDX_CURKEY_INPAGE (1<< 3)
|
|
#define CDX_CURKEY_INSTACK (1<< 4)
|
|
#define CDX_CURKEY_NOTEXIST (1<< 5)
|
|
#define CDX_CURKEY_RAWCNT (1<< 6)
|
|
#define CDX_CURKEY_RAWPOS (1<< 7)
|
|
#define CDX_CURKEY_LOGCNT (1<< 8)
|
|
#define CDX_CURKEY_LOGPOS (1<< 9)
|
|
|
|
#define TOP_RECORD 1
|
|
#define BTTM_RECORD 2
|
|
#define PREV_RECORD 3
|
|
#define NEXT_RECORD 4
|
|
#define PRVU_RECORD 6
|
|
#define NXTU_RECORD 5
|
|
|
|
#define NODE_NEWLASTKEY 1
|
|
#define NODE_SPLIT 2
|
|
#define NODE_JOIN 4
|
|
#define NODE_BALANCE 8
|
|
#define NODE_EAT 16
|
|
|
|
#define CURKEY_RAWCNT(pTag) (((pTag)->curKeyState & CDX_CURKEY_RAWCNT) != 0)
|
|
#define CURKEY_LOGCNT(pTag) (((pTag)->curKeyState & CDX_CURKEY_LOGCNT) != 0)
|
|
|
|
#define CURKEY_RAWPOS(pTag) ( ((pTag)->curKeyState & CDX_CURKEY_RAWPOS) != 0 && \
|
|
(pTag)->rawKeyRec == (pTag)->CurKey->rec )
|
|
#define CURKEY_SETRAWPOS(pTag) do { (pTag)->curKeyState |= CDX_CURKEY_RAWPOS; \
|
|
(pTag)->rawKeyRec = (pTag)->CurKey->rec; } while(0)
|
|
|
|
#define CURKEY_LOGPOS(pTag) ( ((pTag)->curKeyState & CDX_CURKEY_LOGPOS) != 0 && \
|
|
(pTag)->logKeyRec == (pTag)->pIndex->pArea->dbfarea.ulRecNo )
|
|
#define CURKEY_SETLOGPOS(pTag) do { (pTag)->curKeyState |= CDX_CURKEY_LOGPOS; \
|
|
(pTag)->logKeyRec = (pTag)->pIndex->pArea->dbfarea.ulRecNo; } while(0)
|
|
|
|
/*
|
|
#define CURKEY_UNDEF(pTag) (((pTag)->curKeyState & CDX_CURKEY_UNDEF) != 0)
|
|
#define CURKEY_NOTEXIST(pTag) (((pTag)->curKeyState & CDX_CURKEY_NOTEXIST) != 0)
|
|
#define CURKEY_ISSET(pTag) (((pTag)->curKeyState & (CDX_CURKEY_NOTEXIST | CDX_CURKEY_UNDEF)) == 0)
|
|
#define CURKEY_REC(pTag) ((((pTag)->curKeyState & CDX_CURKEY_REC) != 0) ? (pTag)->curKey->rec : 0)
|
|
#define CURKEY_VAL(pTag) ((((pTag)->curKeyState & CDX_CURKEY_VAL) != 0) ? (pTag)->curKey->val : NULL)
|
|
#define CURKEY_REFRESH(pTag)
|
|
*/
|
|
|
|
#define HB_CDXBITMASK( x ) ( ( HB_LONG ) ( ( 1L << ( x ) ) - 1 ) )
|
|
|
|
/* #define FAST_GOCOLD( A ) ((A)->dbfarea.fRecordChanged || (A)->fCdxAppend ? (SELF_GOCOLD((AREAP)(A))) : HB_SUCCESS) */
|
|
#define FAST_GOCOLD( A ) SELF_GOCOLD(A)
|
|
|
|
|
|
#define CDX_TYPE_UNIQUE 0x01 /* unique index */
|
|
#define CDX_TYPE_PARTIAL 0x02 /* temporary index */
|
|
#define CDX_TYPE_CUSTOM 0x04 /* custom index */
|
|
#define CDX_TYPE_FORFILTER 0x08 /* for expression present */
|
|
#define CDX_TYPE_BITVECTOR 0x10 /* SoftC? */
|
|
#define CDX_TYPE_COMPACT 0x20 /* FoxPro */
|
|
#define CDX_TYPE_COMPOUND 0x40 /* FoxPro */
|
|
#define CDX_TYPE_STRUCTURE 0x80 /* FoxPro */
|
|
|
|
#define CDX_CMP_EXACT 0x00 /* exact comparison */
|
|
#define CDX_CMP_PREFIX 0x01 /* prefix comparison */
|
|
#define CDX_CMP_DATE 0x02 /* date comparison */
|
|
|
|
/*
|
|
SIx3 order temperature flags:
|
|
switch ( indexOpt & ( CDX_TYPE_PARTIAL | CDX_TYPE_CUSTOM ) )
|
|
case CDX_TYPE_PARTIAL:
|
|
PARTIAL_RYO
|
|
case CDX_TYPE_CUSTOM:
|
|
PARTIAL_RYO | CHGONLY_RYO
|
|
case CDX_TYPE_PARTIAL | CDX_TYPE_CUSTOM:
|
|
PARTIAL_RYO | NOUPDATE_RYO
|
|
if index key begin with:
|
|
'sxChar(' or 'sxNum(' or 'sxDate(' or 'sxLog('
|
|
then
|
|
| TEMPLATE_RYO
|
|
|
|
sx_Chill() if ( ! NOUPDATE_RYO ) then set ( CHGONLY_RYO | PARTIAL_RYO )
|
|
if ( indexOpt & ( CDX_TYPE_PARTIAL | CDX_TYPE_CUSTOM ) !=
|
|
CDX_TYPE_PARTIAL | CDX_TYPE_CUSTOM )
|
|
{
|
|
indexOpt &= ~CDX_TYPE_CUSTOM;
|
|
indexOpt |= CDX_TYPE_PARTIAL
|
|
}
|
|
|
|
sx_Warm() if ( ! NOUPDATE_RYO ) then clear CHGONLY_RYO
|
|
if ( indexOpt & ( CDX_TYPE_PARTIAL | CDX_TYPE_CUSTOM ) !=
|
|
CDX_TYPE_PARTIAL | CDX_TYPE_CUSTOM )
|
|
{
|
|
indexOpt |= CDX_TYPE_CUSTOM;
|
|
indexOpt &= ~CDX_TYPE_PARTIAL
|
|
}
|
|
|
|
sx_Freeze() set NOUPDATE_RYO
|
|
indexOpt |= CDX_TYPE_PARTIAL | CDX_TYPE_CUSTOM;
|
|
*/
|
|
/*
|
|
indexSig:
|
|
0x01 - CLIP like, ignoreCase significant
|
|
0x20 - in index header: ADI file, in ADI tag header: ASCII
|
|
0x00 - in ADI tag header: UNICODE
|
|
*/
|
|
/* CDX index node structures */
|
|
/* Compact Index Header Record */
|
|
typedef struct _CDXTAGHEADER
|
|
{
|
|
HB_BYTE rootPtr [ 4 ]; /* offset of the root node */
|
|
HB_BYTE freePtr [ 4 ]; /* offset of list of free pages or -1 */
|
|
HB_BYTE counter [ 4 ]; /* update counter (in root node) */
|
|
HB_BYTE keySize [ 2 ]; /* key length */
|
|
HB_BYTE indexOpt; /* index options see CDX_TYPE_* */
|
|
HB_BYTE indexSig; /* index signature */
|
|
HB_BYTE headerLen[ 2 ]; /* ADI header length ???: 0x400 */
|
|
HB_BYTE pageLen [ 2 ]; /* ADI (idx) page length */
|
|
HB_BYTE signature[ 4 ]; /* ADI (idx) collation signature */
|
|
HB_BYTE reserved2[ 68 ];
|
|
HB_BYTE lang [ 26 ]; /* ADI (tag) ex. lt_LT, zh_Hant_TW_ADS_CI */
|
|
HB_BYTE collatVer[ 4 ]; /* ADI (tag) collation signature */
|
|
HB_BYTE reserved3[ 372 ];
|
|
HB_BYTE codepage [ 5 ]; /* VFP codepage */
|
|
HB_BYTE ignoreCase; /* 1 = ignore case, key converted to upper */
|
|
HB_BYTE reserved4[ 2 ];
|
|
HB_BYTE ascendFlg[ 2 ]; /* 0 = ascending 1 = descending */
|
|
HB_BYTE forExpPos[ 2 ]; /* offset of filter expression */
|
|
HB_BYTE forExpLen[ 2 ]; /* length of filter expression */
|
|
HB_BYTE keyExpPos[ 2 ]; /* offset of key expression */
|
|
HB_BYTE keyExpLen[ 2 ]; /* length of key expression */
|
|
HB_BYTE keyExpPool[ CDX_HEADEREXPLEN ];
|
|
} CDXTAGHEADER, * LPCDXTAGHEADER;
|
|
|
|
/* Compact Index Interior Node Record */
|
|
typedef struct _CDXINTNODE
|
|
{
|
|
HB_BYTE attr [ 2 ]; /* node type see CDX_NODE_* */
|
|
HB_BYTE nKeys [ 2 ]; /* number of keys */
|
|
HB_BYTE leftPtr [ 4 ]; /* offset of left node or -1 */
|
|
HB_BYTE rightPtr[ 4 ]; /* offset of right node or -1 */
|
|
} CDXINTNODE;
|
|
|
|
/* Compact Index Exterior Node Record */
|
|
typedef struct _CDXEXTNODE
|
|
{
|
|
HB_BYTE attr [ 2 ]; /* node type see CDX_NODE_* */
|
|
HB_BYTE nKeys [ 2 ]; /* number of keys */
|
|
HB_BYTE leftPtr [ 4 ]; /* offset of left node or -1 */
|
|
HB_BYTE rightPtr[ 4 ]; /* offset of right node or -1 */
|
|
HB_BYTE freeSpc [ 2 ]; /* free space available in a page */
|
|
HB_BYTE recMask [ 4 ]; /* record number mask */
|
|
HB_BYTE dupMask; /* duplicate bytes count mask */
|
|
HB_BYTE trlMask; /* trailing bytes count mask */
|
|
HB_BYTE recBits; /* number of bits for record number */
|
|
HB_BYTE dupBits; /* number of bits for duplicate count */
|
|
HB_BYTE trlBits; /* number of bits for trailing count */
|
|
HB_BYTE keyBytes; /* total number of bytes for recno/dup/trail info */
|
|
} CDXEXTNODE;
|
|
|
|
|
|
|
|
/* CDX internal memory structures */
|
|
|
|
struct _CDXAREA; /* forward declaration */
|
|
struct _CDXINDEX; /* forward declaration */
|
|
struct _CDXTAG; /* forward declaration */
|
|
|
|
typedef struct _CDXKEY
|
|
{
|
|
HB_ULONG rec;
|
|
HB_USHORT mode;
|
|
HB_USHORT len;
|
|
HB_BYTE val[ 1 ];
|
|
} CDXKEY, * LPCDXKEY;
|
|
|
|
typedef struct _CDXPAGE
|
|
{
|
|
HB_ULONG Page;
|
|
HB_ULONG Left;
|
|
HB_ULONG Right;
|
|
|
|
int iKeys;
|
|
int iCurKey;
|
|
|
|
HB_ULONG RNMask;
|
|
HB_USHORT DCMask;
|
|
HB_USHORT TCMask;
|
|
HB_BYTE RNBits;
|
|
HB_BYTE DCBits;
|
|
HB_BYTE TCBits;
|
|
HB_BYTE ReqByte;
|
|
|
|
HB_BYTE PageType;
|
|
HB_BYTE bUsed;
|
|
HB_BOOL fChanged;
|
|
HB_BOOL fBufChanged;
|
|
|
|
HB_SHORT bufKeyNum; /* do not change these vars' order */
|
|
HB_SHORT bufKeyPos; /* they have to be just after the node */
|
|
HB_SHORT bufKeyLen; /* and maybe temporary overwritten when adding */
|
|
HB_SHORT iFree; /* new key to interior node record. */
|
|
|
|
HB_BYTE * pKeyBuf; /* pointer to uncompressed leaf page key pool */
|
|
|
|
struct _CDXPAGE * Owner;
|
|
struct _CDXPAGE * Child;
|
|
struct _CDXTAG * TagParent;
|
|
struct _CDXPAGE * pPoolPrev;
|
|
struct _CDXPAGE * pPoolNext;
|
|
|
|
union
|
|
{
|
|
CDXEXTNODE extNode;
|
|
CDXINTNODE intNode;
|
|
} node;
|
|
} CDXPAGE, * LPCDXPAGE;
|
|
|
|
typedef struct _CDXSTACK
|
|
{
|
|
LPCDXPAGE Page;
|
|
int iKey;
|
|
} CDXSTACK, * LPCDXSTACK;
|
|
|
|
typedef struct _CDXLIST
|
|
{
|
|
HB_ULONG nextPage;
|
|
HB_BOOL fStat;
|
|
struct _CDXLIST * pNext;
|
|
} CDXLIST, * LPCDXLIST;
|
|
|
|
typedef struct _CDXTAG
|
|
{
|
|
char * szName; /* Name of tag */
|
|
char * KeyExpr; /* a tag key expression as text */
|
|
char * ForExpr; /* a tag for expression as text */
|
|
PHB_ITEM pKeyItem; /* item with a macro pcode for a tag key expression */
|
|
PHB_ITEM pForItem; /* item with a macro pcode for a tag for expression */
|
|
HB_USHORT uiType; /* a type of key expression value */
|
|
HB_USHORT uiLen; /* length of the key expression value */
|
|
HB_USHORT nField; /* Field number for simple (one field) key expression */
|
|
HB_BYTE bTrail; /* trailing character for shorter key value */
|
|
HB_BYTE OptFlags; /* index options flag */
|
|
HB_BOOL AscendKey; /* ascending/descending order flag */
|
|
HB_BOOL UniqueKey; /* unique order flag */
|
|
HB_BOOL Custom; /* custom order flag */
|
|
HB_BOOL Template; /* user key data in ordKeyAdd()/ordKeyDel() accepted */
|
|
HB_BOOL MultiKey; /* repeated key values in custom indexes accepted */
|
|
HB_BOOL Partial; /* order is updated only partially - missing keys possible */
|
|
HB_BOOL ChgOnly; /* only existing key modifications are updated, no new key added */
|
|
HB_BOOL UsrAscend; /* user settable ascending/descending order flag */
|
|
HB_BOOL UsrUnique; /* user settable unique order flag */
|
|
HB_BOOL IgnoreCase; /* ignore case (upper keys) */
|
|
|
|
HB_BOOL TagChanged;
|
|
HB_BOOL TagBOF;
|
|
HB_BOOL TagEOF;
|
|
|
|
HB_BOOL fRePos;
|
|
int curKeyState; /* see: CDX_CURKEY_* */
|
|
HB_ULONG rawKeyCount;
|
|
HB_ULONG rawKeyPos;
|
|
HB_ULONG rawKeyRec;
|
|
HB_ULONG logKeyCount;
|
|
HB_ULONG logKeyPos;
|
|
HB_ULONG logKeyRec;
|
|
|
|
HB_ULONG TagBlock; /* a page offset where a tag header is stored */
|
|
HB_ULONG RootBlock; /* a page offset with the root of keys tree */
|
|
HB_USHORT MaxKeys; /* maximum number of keys in Interior node */
|
|
|
|
struct _CDXINDEX * pIndex; /* a parent index info */
|
|
struct _CDXTAG * pNext; /* pointer to next tag in index */
|
|
|
|
#if 0
|
|
CDXSTACK PageStack[ CDX_STACKSIZE ]; /* stack with page path to current key */
|
|
#endif
|
|
LPCDXPAGE RootPage; /* pointer to root of keys tree in memory */
|
|
LPCDXKEY CurKey; /* current value of key expression */
|
|
LPCDXKEY HotKey; /* value of hot key expression */
|
|
HB_BOOL HotFor; /* index FOR condition for HotKey */
|
|
|
|
PHB_ITEM topScope; /* Top scope HB_ITEM */
|
|
LPCDXKEY topScopeKey; /* Top scope index key */
|
|
PHB_ITEM bottomScope; /* Bottom scope HB_ITEM */
|
|
LPCDXKEY bottomScopeKey; /* Bottom index key */
|
|
|
|
LPCDXPAGE pagePool; /* page buffer in memory */
|
|
} CDXTAG, * LPCDXTAG;
|
|
|
|
typedef struct _CDXINDEX
|
|
{
|
|
char * szFileName; /* Name of index file */
|
|
char * szRealName; /* Real name of index file */
|
|
PHB_FILE pFile; /* Index file handle */
|
|
struct _CDXAREA * pArea; /* Parent WorkArea */
|
|
struct _CDXINDEX * pNext; /* The next index in the list */
|
|
LPCDXTAG pCompound; /* Compound tag */
|
|
LPCDXTAG TagList; /* List of tags in index file */
|
|
HB_BOOL fShared; /* Shared file */
|
|
HB_BOOL fReadonly; /* Read only file */
|
|
HB_BOOL fDelete; /* delete on close flag */
|
|
HB_BOOL fLargeFile; /* page numbers instead of page offsets in index file */
|
|
HB_USHORT uiHeaderLen; /* length of tag header */
|
|
HB_USHORT uiPageLen; /* length of index page */
|
|
HB_USHORT uiPageBits; /* length of index page in bits */
|
|
HB_USHORT uiMaxKeyLen; /* maximum index key length */
|
|
HB_ULONG nextAvail; /* offset to next free page in the end of index file */
|
|
HB_ULONG freePage; /* offset to next free page inside index file */
|
|
LPCDXLIST freeLst; /* list of free pages in index file */
|
|
int lockWrite; /* number of write lock set */
|
|
int lockRead; /* number of read lock set */
|
|
HB_DBFLOCKDATA lockData; /* index lock data */
|
|
#ifdef HB_CDX_DBGCODE
|
|
HB_BOOL RdLck;
|
|
HB_BOOL WrLck;
|
|
#endif
|
|
HB_BOOL fChanged; /* changes written to index, need to update ulVersion */
|
|
HB_BOOL fFlush; /* changes written to index, need to update ulVersion */
|
|
HB_ULONG ulVersion; /* network version/update flag */
|
|
} CDXINDEX, * LPCDXINDEX;
|
|
|
|
/* for index creation */
|
|
typedef struct
|
|
{
|
|
HB_FOFFSET nOffset; /* offset in temporary file */
|
|
HB_ULONG ulKeys; /* number of keys in page */
|
|
HB_ULONG ulKeyBuf; /* number of keys in memory buffer */
|
|
HB_ULONG ulCurKey; /* current key in memory buffer */
|
|
HB_BYTE * pKeyPool; /* memory buffer */
|
|
} CDXSWAPPAGE, * LPCDXSWAPPAGE;
|
|
|
|
typedef struct
|
|
{
|
|
LPCDXTAG pTag; /* current Tag */
|
|
PHB_FILE pTempFile; /* handle to temporary file */
|
|
char * szTempFileName; /* temporary file name */
|
|
int keyLen; /* key length */
|
|
HB_BYTE bTrl; /* filler char for shorter keys */
|
|
HB_BOOL fUnique; /* HB_TRUE if index is unique */
|
|
HB_BOOL fReindex; /* HB_TRUE if reindexing is in process */
|
|
HB_ULONG ulMaxRec; /* the highest record number */
|
|
HB_ULONG ulTotKeys; /* total number of keys indexed */
|
|
HB_ULONG ulKeys; /* keys in currently created page */
|
|
HB_ULONG ulPages; /* number of pages */
|
|
HB_ULONG ulCurPage; /* current page */
|
|
HB_ULONG ulPgKeys; /* maximum number of key in page memory buffer */
|
|
HB_ULONG ulMaxKey; /* maximum number of keys in single page */
|
|
HB_BYTE * pKeyPool; /* memory buffer for current page then for pages */
|
|
HB_BYTE * pStartKey; /* beginning of key pool after sorting */
|
|
LPCDXSWAPPAGE pSwapPage; /* list of pages */
|
|
LPCDXPAGE NodeList[ CDX_STACKSIZE ]; /* Stack of pages */
|
|
HB_ULONG ulFirst;
|
|
HB_ULONG * pSortedPages;
|
|
HB_BYTE * pLastKey; /* last key val */
|
|
HB_ULONG ulLastRec;
|
|
HB_BYTE * pRecBuff;
|
|
#ifndef HB_CDX_PACKTRAIL
|
|
int iLastTrl; /* last key trailing spaces */
|
|
#endif
|
|
} CDXSORTINFO, * LPCDXSORTINFO;
|
|
|
|
|
|
|
|
/*
|
|
* DBF WORKAREA
|
|
* ------------
|
|
* The Workarea Structure of DBFCDX RDD
|
|
*
|
|
*/
|
|
|
|
typedef struct _CDXAREA
|
|
{
|
|
DBFAREA dbfarea;
|
|
|
|
/*
|
|
* CDX's additions to the workarea structure
|
|
*
|
|
* Warning: The above section MUST match DBFAREA exactly! Any
|
|
* additions to the structure MUST be added below, as in this
|
|
* example.
|
|
*/
|
|
|
|
LPCDXSORTINFO pSort; /* Index build structure */
|
|
LPCDXINDEX lpIndexes; /* Pointer to indexes array */
|
|
const HB_UCHAR * sortTab; /* Table with sorted characters */
|
|
HB_BOOL fCdxAppend; /* Appended record changed */
|
|
HB_BOOL fSortCDP; /* Use CDP functions for sorting */
|
|
HB_USHORT uiTag; /* current tag focus */
|
|
|
|
} CDXAREA, * LPCDXAREA;
|
|
|
|
#ifndef CDXAREAP
|
|
#define CDXAREAP LPCDXAREA
|
|
#endif
|
|
|
|
#undef SUPERTABLE
|
|
#define SUPERTABLE ( &cdxSuper )
|
|
|
|
HB_EXTERN_END
|
|
|
|
#endif /* HB_RDDCDX_H_ */
|