From 11fc9043ea5626810286155b08614ba7b47a5c86 Mon Sep 17 00:00:00 2001
From: Horacio Dario Roldan Kasimatis <harbour_ar@yahoo.com.ar>
Date: Wed, 1 May 2002 00:10:49 +0000
Subject: [PATCH] 2002-04-30 20:49 UTC-0300 Horacio Roldan
 <harbour_ar@yahoo.com.ar>    * source/rdd/dbfcdx/dbfcdx1.c    *
 source/rdd/dbfcdx/dbfcdx2.h      ! fixed sharing flags in index creation     
 ! fixed tag order after index creation      + added function
 hb_cdxReorderTagList      + added dummies handlers for DBOI_KEYADD,
 DBOI_KEYDELETE.

---
 harbour/include/hbrddcdx.h          |  1 +
 harbour/source/rdd/dbfcdx/dbfcdx1.c | 57 ++++++++++++++++++++++++++++-
 harbour/source/rdd/dbfcdx/dbfcdx2.h |  1 +
 3 files changed, 57 insertions(+), 2 deletions(-)

diff --git a/harbour/include/hbrddcdx.h b/harbour/include/hbrddcdx.h
index 1cd737a18d..8ac6f8310c 100644
--- a/harbour/include/hbrddcdx.h
+++ b/harbour/include/hbrddcdx.h
@@ -188,6 +188,7 @@ typedef struct _CDXINDEX
    struct   _CDXINDEX * pNext;   /* The next index in the list */
    /* USHORT    uiTag;      */        /* current tag focus          */
    BOOL fShared;                 /* Shared file */
+   BOOL fReadonly;               /* Read only file */
    int       lockWrite;
    int       lockRead;
    int       changesWritten;
diff --git a/harbour/source/rdd/dbfcdx/dbfcdx1.c b/harbour/source/rdd/dbfcdx/dbfcdx1.c
index e4609cab98..9fcb195346 100644
--- a/harbour/source/rdd/dbfcdx/dbfcdx1.c
+++ b/harbour/source/rdd/dbfcdx/dbfcdx1.c
@@ -2631,7 +2631,7 @@ static void hb_cdxIndexPageWrite( LPCDXINDEX pIndex, LONG lPos, void * pBuffer,
                                   USHORT uiSize )
 {
    /* testing properly rights */
-   if ( pIndex->pArea->fReadonly )
+   if ( pIndex->fReadonly )
       hb_errInternal( 9101, "hb_cdxIndexPageWrite on readonly database.", "", "" );
 
    /* if ( pIndex->fShared && !pIndex->lockWrite ) */
@@ -3503,6 +3503,39 @@ static USHORT hb_cdxFindTag( CDXAREAP pArea, LPDBORDERINFO pOrderInfo )
    return uiTag;
 }
 
+static LPCDXTAG hb_cdxReorderTagList ( LPCDXTAG TagList )
+{
+   LPCDXTAG pTag1, pTag2, pTagTmp;
+
+   pTag1 = TagList;
+   while( pTag1->pNext )
+   {
+      if( pTag1->TagBlock < pTag1->pNext->TagBlock )
+         pTag1 = pTag1->pNext;
+      else
+      {
+         if( TagList->TagBlock > pTag1->pNext->TagBlock )
+         {
+            pTagTmp = TagList;
+            TagList = pTag1->pNext;
+            pTag1->pNext = pTag1->pNext->pNext;
+            TagList->pNext = pTagTmp;
+         }
+         else
+         {
+            pTag2 = TagList;
+            while( pTag2->pNext && (pTag2->pNext->TagBlock < pTag1->pNext->TagBlock) )
+               pTag2 = pTag2->pNext;
+
+            pTagTmp = pTag2->pNext;
+            pTag2->pNext = pTag1->pNext;
+            pTag1->pNext = pTag1->pNext->pNext;
+            pTag2->pNext->pNext = pTagTmp;
+         }
+      }
+   }
+   return TagList;
+}
 
 
 
@@ -4747,7 +4780,9 @@ ERRCODE hb_cdxOrderListAdd( CDXAREAP pAreaCdx, LPDBORDERINFO pOrderInfo )
    /* load the tags*/
    pIndex->pCompound = hb_cdxTagNew( pIndex, szFileName, 0 );
    pIndex->pCompound->OptFlags = 0xE0;
-   pIndex->fShared = pAreaCdx->fShared;
+   pIndex->fShared   = pAreaCdx->fShared;
+   pIndex->fReadonly = pAreaCdx->fReadonly;
+
    hb_cdxIndexResetAvailPage( pIndex );
 
    hb_cdxIndexLockRead( pIndex, NULL );
@@ -5148,6 +5183,8 @@ ERRCODE hb_cdxOrderCreate( CDXAREAP pAreaCdx, LPDBORDERCREATEINFO pOrderInfo )
    {
       pIndex->hFile = hb_spCreate( ( BYTE * ) szFileName, FC_NORMAL );
       bNewFile = TRUE;
+      pIndex->fShared   = pAreaCdx->fShared;
+      pIndex->fReadonly = FALSE;
    }
    else
    {
@@ -5155,6 +5192,8 @@ ERRCODE hb_cdxOrderCreate( CDXAREAP pAreaCdx, LPDBORDERCREATEINFO pOrderInfo )
                                     ( pAreaCdx->fShared ?
                                       FO_DENYNONE : FO_EXCLUSIVE ) );
       bNewFile = FALSE;
+      pIndex->fShared   = pAreaCdx->fShared;
+      pIndex->fReadonly = FALSE;
    }
 
    if( pIndex->hFile == FS_ERROR )
@@ -5179,6 +5218,8 @@ ERRCODE hb_cdxOrderCreate( CDXAREAP pAreaCdx, LPDBORDERCREATEINFO pOrderInfo )
       hb_fsSeek( pIndex->hFile, 0, FS_SET );
    }
 
+   hb_cdxIndexLockWrite( pIndex, NULL );
+
    if( bNewFile )
    {
       pIndex->NextAvail = 0;
@@ -5210,6 +5251,9 @@ ERRCODE hb_cdxOrderCreate( CDXAREAP pAreaCdx, LPDBORDERCREATEINFO pOrderInfo )
          }
          hb_cdxTagKeyRead( pIndex->pCompound, NEXT_RECORD );
       }
+      if ( pIndex->TagList != NULL ) {
+         pIndex->TagList = hb_cdxReorderTagList(pIndex->TagList);
+      }
    }
 
    /* Update DBF header */
@@ -5242,6 +5286,8 @@ ERRCODE hb_cdxOrderCreate( CDXAREAP pAreaCdx, LPDBORDERCREATEINFO pOrderInfo )
 
    hb_xfree( szTagName );
 
+   hb_cdxIndexUnLockWrite( pIndex, NULL );
+
    /* Clear pArea->lpdbOrdCondInfo */
    SELF_ORDSETCOND( ( AREAP ) pArea, NULL );
 
@@ -5451,6 +5497,13 @@ ERRCODE hb_cdxOrderInfo( CDXAREAP pArea, USHORT uiIndex, LPDBORDERINFO pOrderInf
          }
          break;
 
+      case DBOI_KEYADD :
+         hb_itemPutL( pOrderInfo->itmResult, 0 );
+         break;
+      case DBOI_KEYDELETE :
+         hb_itemPutL( pOrderInfo->itmResult, 0 );
+         break;
+
       default:
          return SUPER_ORDINFO( ( AREAP ) pArea, uiIndex, pOrderInfo );
 
diff --git a/harbour/source/rdd/dbfcdx/dbfcdx2.h b/harbour/source/rdd/dbfcdx/dbfcdx2.h
index 857221e048..282d8ac02f 100644
--- a/harbour/source/rdd/dbfcdx/dbfcdx2.h
+++ b/harbour/source/rdd/dbfcdx/dbfcdx2.h
@@ -139,6 +139,7 @@ static LPCDXTAG hb_cdxGetActiveTag( CDXAREAP pArea );
 static USHORT hb_cdxFindTag( CDXAREAP pArea, LPDBORDERINFO pOrderInfo );
 static LPCDXTAG hb_cdxGetTagByNumber(CDXAREAP pArea,  USHORT uiTag );
 static PHB_ITEM hb_cdxKeyGetItem( LPKEYINFO pKey, PHB_ITEM pItem, USHORT uiType );
+static LPCDXTAG hb_cdxReorderTagList ( LPCDXTAG TagList );
 
 static USHORT hb_cdxIndexCheckVersion( LPCDXINDEX pIndex );
 static USHORT hb_cdxIndexUnLockRead( LPCDXINDEX pIndex, LPCDXTAG pTag );