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8bdb46266a1d23ea4aeb94de644c8928b1accd14
harbour-core/harbour/source/rdd/usrrdd/rdds/fcomma.prg
Viktor Szakats 1c11bc25db 2007-04-23 23:28 UTC+0100 Viktor Szakats (harbour.01 syenar.hu) 
* harbour/source/rtl/diskspac.c
     ! Fixed to return free space instead of disk size under Unix OSes.

   * harbour/source/rtl/tget.prg
     ! Fixed checking for invalid GET var types.
     ! More C5x compatible behaviour for invalid types.
     ! ::UnTransform() fixed when not in focus.
     - ::UnTransform() cBuffer incompatible parameter removed.
     ! ::Reform() probably made more compatible.
     + ::PosInBuffer() XBase++ compatible method implemented.
       (but not tested or compared with XBase++)
     ! ::Minus assignment fixed.
     ! ::Clear assignment fixed.
     ! ::Changed assignment fixed.
     ! ::Buffer assignment fixed.
     ! ::Block assignment fixed.
     ! ::Name assignment fixed.
     ! ::UnTransform() extra parameter removed.
     ! ::UpdateBuffer() minor fix when not in focus.
     ! ::Reform() made more compatible.
     % ::SetFocus() some superfluous stuff removed.
     % ::SetFocus() some fixes, cleanups.
     ! ::KillFocus() now sets ::TypeOut properly.
     ! ::VarPut(), ::VarGet() fixed for invalid ::Subscript contents.
     ! ::VarPut(), ::VarGet() fixed for invalid ::Block content.
     ! ::Pos rewritten to be fully compatible.
     ! ::ColorSpec made fully compatible.
     ! ::UnTransform() fixed when not in focus.
     ! ::UnTransform() fixed handling "YL" in string pictures.
     % ::UnTransform() minor optimization.
     % ::PutMask() some hacks removed.
     ! ::PutMask() invalid types handling.
     ! ::BackSpace() fixed when not in focus.
     ! ::Delete() fixed when not in focus.
     ! ::DeleteAll() fixed when not in focus.
     ! ::IsEditable() fixes.
     ! ::Picture fixes for invalid types, assignment behaviour.
     ! ::Picture hacks removed.
     ! Non-assignable vars made READONLY. (will generate
       different RTEs than in CA-Cl*pper due to the more
       refined oo engine in Harbour.)
     ! ::BadDate changed to be a METHOD.
     ! ::ToDecPos fixes.
     ! ::Row assigment and behaviour fixes.
     ! ::Col assigment and behaviour fixes.
     + Several comments and NOTEs added.

   * harbour/include/hbapigt.h
   * harbour/source/rtl/gtapi.c
   * harbour/source/rtl/setcolor.c
     + hb_gtColorsToString() public API added.
     + hb_NToColor() function added to convert a single color
       value (returned by hb_ColorToN()) back to a string.
       Used in TGet():ColorSpec implementation.

   * harbour/source/vm/fm.c
     * "Blocks" -> "Block(s)"

   * harbour/tests/rto_get.prg
     + Added many test cases.

   * harbour/source/vm/cmdarg.c
     + Added support to use "--" instead of "//" for internal
       command line options.

   * harbour/source/rtl/tbcolumn.prg
     + Formatting.

   * harbour/source/rtl/tbrowse.prg
     + Added Harbour (undocumented) extension NOTE.

   * harbour/include/Makefile
   - harbour/include/usrrdd.ch
   + harbour/include/hbusrrdd.ch
   * harbour/source/rdd/usrrdd/usrrdd.c
   * harbour/source/rdd/usrrdd/rdds/dbtcdx.prg
   * harbour/source/rdd/usrrdd/rdds/fcomma.prg
   * harbour/source/rdd/usrrdd/rdds/fptcdx.prg
   * harbour/source/rdd/usrrdd/rdds/hscdx.prg
   * harbour/source/rdd/usrrdd/rdds/rlcdx.prg
   * harbour/source/rdd/usrrdd/rdds/smtcdx.prg
   * harbour/contrib/pgsql/pgrdd.prg
     ! Changed public header filename to comply with the "hb*.ch" rule.
       (namespace protection)
2007-04-23 21:41:40 +00:00

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/*
* $Id$
*/
/*
* Harbour Project source code:
* FCOMMA RDD
*
* Copyright 2006 Przemyslaw Czerpak <druzus / at / priv.onet.pl>
* www - http://www.harbour-project.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. 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.
*
*/
/*
* A simple RDD which uses HB_F*() functions from MISC library
* to access CSV files. It allow to open an CSV file and navigate
* using SKIP()/GOTO()/GOTOP()/GOBOTTOM() functions using
* BOF()/EOF()/RECNO()/LASTREC() to check current state.
* HB_F*() functions does not support single field access and allow
* to read only the whole line. This RDD also. I only added one
* virtual field which exist in all tables open by this RDD called
* LINE which contains the current .csv file line.
*/
#include "rddsys.ch"
#include "hbusrrdd.ch"
#include "fileio.ch"
#include "error.ch"
ANNOUNCE FCOMMA
/*
* non work area methods receive RDD ID as first parameter
* Methods INIT and EXIT does not have to execute SUPER methods - these is
* always done by low level USRRDD code
*/
STATIC FUNCTION FCM_INIT( nRDD )
LOCAL aRData := ARRAY( 10 )
/* Set in our private RDD ITEM the array with HB_F*() work are numbers */
AFILL( aRData, -1 )
USRRDD_RDDDATA( nRDD, aRData )
RETURN SUCCESS
/*
* methods: NEW and RELEASE receive pointer to work area structure
* not work area number. It's necessary because the can be executed
* before work area is allocated
* these methods does not have to execute SUPER methods - these is
* always done by low level USRRDD code
*/
STATIC FUNCTION FCM_NEW( pWA )
LOCAL aWData := { -1, .F., .F. }
/*
* Set in our private AREA item the array with slot number and
* BOF/EOF flags. There is no BOF support in HB_F* function so
* we have to emulate it and there is no phantom record so we
* cannot return EOF flag directly.
*/
USRRDD_AREADATA( pWA, aWData )
RETURN SUCCESS
STATIC FUNCTION FCM_CREATE( nWA, aOpenInfo )
LOCAL oError := ErrorNew()
oError:GenCode := EG_CREATE
oError:SubCode := 1004
oError:Description := HB_LANGERRMSG( EG_CREATE ) + " (" + ;
HB_LANGERRMSG( EG_UNSUPPORTED ) + ")"
oError:FileName := aOpenInfo[ UR_OI_NAME ]
oError:CanDefault := .T.
UR_SUPER_ERROR( nWA, oError )
RETURN FAILURE
STATIC FUNCTION FCM_OPEN( nWA, aOpenInfo )
LOCAL cName, nMode, nSlot, nHandle, aRData, aWData, aField, oError, nResult
/* When there is no ALIAS we will create new one using file name */
IF aOpenInfo[ UR_OI_ALIAS ] == NIL
HB_FNAMESPLIT( aOpenInfo[ UR_OI_NAME ], , @cName )
aOpenInfo[ UR_OI_ALIAS ] := cName
ENDIF
nMode := IIF( aOpenInfo[ UR_OI_SHARED ], FO_SHARED , FO_EXCLUSIVE ) + ;
IIF( aOpenInfo[ UR_OI_READONLY ], FO_READ, FO_READWRITE )
aRData := USRRDD_RDDDATA( USRRDD_ID( nWA ) )
aWData := USRRDD_AREADATA( nWA )
nSlot := ASCAN( aRData, -1 )
IF nSlot == 0
oError := ErrorNew()
oError:GenCode := EG_OPEN
oError:SubCode := 1000
oError:Description := HB_LANGERRMSG( EG_OPEN ) + ", no free slots"
oError:FileName := aOpenInfo[ UR_OI_NAME ]
oError:CanDefault := .T.
UR_SUPER_ERROR( nWA, oError )
RETURN FAILURE
ENDIF
HB_FSELECT( nSlot )
nHandle := HB_FUSE( aOpenInfo[ UR_OI_NAME ], nMode )
IF nHandle == -1
oError := ErrorNew()
oError:GenCode := EG_OPEN
oError:SubCode := 1001
oError:Description := HB_LANGERRMSG( EG_OPEN )
oError:FileName := aOpenInfo[ UR_OI_NAME ]
oError:OsCode := fError()
oError:CanDefault := .T.
UR_SUPER_ERROR( nWA, oError )
RETURN FAILURE
ENDIF
aRData[ nSlot ] := nHandle
aWData[ 1 ] := nSlot
aWData[ 2 ] := aWData[ 3 ] := .F.
/* Set one field called LINE to access current record buffer */
UR_SUPER_SETFIELDEXTENT( nWA, 1 )
aField := ARRAY( UR_FI_SIZE )
aField[ UR_FI_NAME ] := "LINE"
aField[ UR_FI_TYPE ] := HB_FT_STRING
aField[ UR_FI_TYPEEXT ] := 0
aField[ UR_FI_LEN ] := 80 // set any arbitrary length - the real size will be differ
aField[ UR_FI_DEC ] := 0
UR_SUPER_ADDFIELD( nWA, aField )
/* Call SUPER OPEN to finish allocating work area (f.e.: alias settings) */
nResult := UR_SUPER_OPEN( nWA, aOpenInfo )
IF nResult == SUCCESS
FCM_GOTOP( nWA )
ENDIF
RETURN nResult
STATIC FUNCTION FCM_CLOSE( nWA )
LOCAL aRData, nSlot := USRRDD_AREADATA( nWA )[ 1 ]
IF nSlot >= 0
HB_FSELECT( nSlot )
HB_FUSE()
aRData := USRRDD_RDDDATA( USRRDD_ID( nWA ) )
aRData[ nSlot ] := -1
ENDIF
RETURN UR_SUPER_CLOSE( nWA )
STATIC FUNCTION FCM_GETVALUE( nWA, nField, xValue )
LOCAL aWData := USRRDD_AREADATA( nWA )
IF nField == 1
IF aWData[ 3 ]
/* We are at EOF position, return empty value */
xValue := ""
ELSE
HB_FSELECT( aWData[ 1 ] )
xValue := HB_FREADLN()
ENDIF
RETURN SUCCESS
ENDIF
RETURN FAILURE
STATIC FUNCTION FCM_GOTO( nWA, nRecord )
LOCAL aWData := USRRDD_AREADATA( nWA )
HB_FSELECT( aWData[ 1 ] )
IF nRecord <= 0
aWData[ 2 ] := aWData[ 3 ] := .T.
ELSEIF nRecord == 1
HB_FGOTOP()
aWData[ 2 ] := aWData[ 3 ] := HB_FEOF()
ELSE
HB_FSKIP(0) /* Clear the EOF flag inside HB_F* engin
- it's not done automatically in HB_FGOBOTTOM() :-( */
HB_FGOTO( nRecord )
aWData[ 2 ] := HB_FRECNO() == 0
aWData[ 3 ] := HB_FEOF()
ENDIF
RETURN SUCCESS
STATIC FUNCTION FCM_GOTOID( nWA, nRecord )
RETURN FCM_GOTO( nWA, nRecord )
STATIC FUNCTION FCM_GOTOP( nWA )
LOCAL aWData := USRRDD_AREADATA( nWA )
HB_FSELECT( aWData[ 1 ] )
HB_FGOTOP()
aWData[ 2 ] := aWData[ 3 ] := HB_FEOF()
RETURN SUCCESS
STATIC FUNCTION FCM_GOBOTTOM( nWA )
LOCAL aWData := USRRDD_AREADATA( nWA )
HB_FSELECT( aWData[ 1 ] )
IF HB_FLASTREC() == 0
aWData[ 2 ] := aWData[ 3 ] := .T.
ELSE
HB_FSKIP(0) /* Clear the EOF flag inside HB_F* engin
- it's not done automatically in HB_FGOBOTTOM() :-( */
HB_FGOBOTTOM()
aWData[ 2 ] := aWData[ 3 ] := .F.
ENDIF
RETURN SUCCESS
STATIC FUNCTION FCM_SKIPRAW( nWA, nRecords )
LOCAL aWData
IF nRecords != 0
aWData := USRRDD_AREADATA( nWA )
HB_FSELECT( aWData[ 1 ] )
IF aWData[ 3 ]
IF nRecords > 0
RETURN SUCCESS
ENDIF
FCM_GOBOTTOM( nWA )
++nRecords
ENDIF
IF nRecords < 0 .AND. HB_FRECNO() <= -nRecords
HB_FGOTOP()
aWData[ 2 ] := .T.
aWData[ 3 ] := HB_FEOF()
ELSEIF nRecords != 0
HB_FSKIP( nRecords )
aWData[ 2 ] := .F.
aWData[ 3 ] := HB_FEOF()
ENDIF
ENDIF
RETURN SUCCESS
STATIC FUNCTION FCM_BOF( nWA, lBof )
LOCAL aWData := USRRDD_AREADATA( nWA )
lBof := aWData[ 2 ]
RETURN SUCCESS
STATIC FUNCTION FCM_EOF( nWA, lEof )
LOCAL aWData := USRRDD_AREADATA( nWA )
lEof := aWData[ 3 ]
RETURN SUCCESS
STATIC FUNCTION FCM_DELETED( nWA, lDeleted )
lDeleted := .F.
RETURN SUCCESS
STATIC FUNCTION FCM_RECID( nWA, nRecNo )
LOCAL aWData := USRRDD_AREADATA( nWA )
HB_FSELECT( aWData[ 1 ] )
IF aWData[ 3 ]
nRecNo := HB_FLASTREC() + 1
ELSE
nRecNo := HB_FRECNO()
ENDIF
RETURN SUCCESS
STATIC FUNCTION FCM_RECCOUNT( nWA, nRecords )
HB_FSELECT( USRRDD_AREADATA( nWA )[ 1 ] )
nRecords := HB_FLASTREC()
RETURN SUCCESS
/*
* This function have to exist in all RDD and then name have to be in
* format: <RDDNAME>_GETFUNCTABLE
*/
FUNCTION FCOMMA_GETFUNCTABLE( pFuncCount, pFuncTable, pSuperTable, nRddID )
LOCAL cSuperRDD := NIL /* NO SUPER RDD */
LOCAL aMyFunc[ UR_METHODCOUNT ]
aMyFunc[ UR_INIT ] := ( @FCM_INIT() )
aMyFunc[ UR_NEW ] := ( @FCM_NEW() )
aMyFunc[ UR_CREATE ] := ( @FCM_CREATE() )
aMyFunc[ UR_OPEN ] := ( @FCM_OPEN() )
aMyFunc[ UR_CLOSE ] := ( @FCM_CLOSE() )
aMyFunc[ UR_BOF ] := ( @FCM_BOF() )
aMyFunc[ UR_EOF ] := ( @FCM_EOF() )
aMyFunc[ UR_DELETED ] := ( @FCM_DELETED() )
aMyFunc[ UR_SKIPRAW ] := ( @FCM_SKIPRAW() )
aMyFunc[ UR_GOTO ] := ( @FCM_GOTO() )
aMyFunc[ UR_GOTOID ] := ( @FCM_GOTOID() )
aMyFunc[ UR_GOTOP ] := ( @FCM_GOTOP() )
aMyFunc[ UR_GOBOTTOM ] := ( @FCM_GOBOTTOM() )
aMyFunc[ UR_RECID ] := ( @FCM_RECID() )
aMyFunc[ UR_RECCOUNT ] := ( @FCM_RECCOUNT() )
aMyFunc[ UR_GETVALUE ] := ( @FCM_GETVALUE() )
RETURN USRRDD_GETFUNCTABLE( pFuncCount, pFuncTable, pSuperTable, nRddID, ;
cSuperRDD, aMyFunc )
INIT PROC FCOMMA_INIT()
rddRegister( "FCOMMA", RDT_FULL )
RETURN
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