69d03ea37e
* source/rtl/color53.prg
! Fixed ApplyDefau().
% Optimized.
* source/debug/tbrwtext.prg
! Minor formatting.
* source/rtl/memoedit.prg
! Variable name cleanup.
* source/rtl/memoedit.prg
* source/rtl/symbol.prg
* source/rtl/color53.prg
* source/rtl/teditor.prg
* source/debug/dbgthsh.prg
* source/debug/dbgtarr.prg
! "=" operators changed to ":=" (or "==" as per context)
271 lines
7.2 KiB
Plaintext
271 lines
7.2 KiB
Plaintext
/*
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* $Id$
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*/
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/*
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* Harbour Project source code:
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* Text file browser class
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*
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* Copyright 2001 Maurilio Longo <maurilio.longo@libero.it>
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* www - http://www.harbour-project.org
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2, or (at your option)
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* any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this software; see the file COPYING. If not, write to
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* the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
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* Boston, MA 02111-1307 USA (or visit the web site http://www.gnu.org/).
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*
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* As a special exception, the Harbour Project gives permission for
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* additional uses of the text contained in its release of Harbour.
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*
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* The exception is that, if you link the Harbour libraries with other
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* files to produce an executable, this does not by itself cause the
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* resulting executable to be covered by the GNU General Public License.
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* Your use of that executable is in no way restricted on account of
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* linking the Harbour library code into it.
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*
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* This exception does not however invalidate any other reasons why
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* the executable file might be covered by the GNU General Public License.
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*
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* This exception applies only to the code released by the Harbour
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* Project under the name Harbour. If you copy code from other
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* Harbour Project or Free Software Foundation releases into a copy of
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* Harbour, as the General Public License permits, the exception does
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* not apply to the code that you add in this way. To avoid misleading
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* anyone as to the status of such modified files, you must delete
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* this exception notice from them.
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*
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* If you write modifications of your own for Harbour, it is your choice
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* whether to permit this exception to apply to your modifications.
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* If you do not wish that, delete this exception notice.
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*
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*/
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#include "hbclass.ch"
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#include "common.ch"
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#include "fileio.ch"
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#include "inkey.ch"
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// Color definitions and positions inside ::cColorSpec
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#define CLR_CODE 0 // color of code
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#define CLR_CURSOR 1 // color of highlighted line (the line to be executed)
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#define CLR_BKPT 2 // color of breakpoint line
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#define CLR_HIBKPT 3 // color of highlighted breakpoint line
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CREATE CLASS HBBrwText FROM HBEditor
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VAR cFileName // the name of the browsed file
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VAR nActiveLine INIT 1 // Active line inside Code Window (the line to be executed)
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VAR aBreakPoints INIT {} // Array with line numbers of active Break Points
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VAR lLineNumbers // If .T. source code lines are preceded by their number
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ACCESS colorSpec INLINE ::cColorSpec
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ASSIGN colorSpec( cClr ) INLINE ::cColorSpec := cClr
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METHOD New( nTop, nLeft, nBottom, nRight, cFileName, cColor )
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METHOD GoTop() // Methods available on a standard TBrowse, needed to handle a HBEditor like a TBrowse
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METHOD GoBottom()
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METHOD Up()
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METHOD Down()
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METHOD Left()
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METHOD Right()
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METHOD End()
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METHOD PageUp()
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METHOD PageDown()
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METHOD RefreshAll()
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METHOD RefreshCurrent()
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METHOD ForceStable() INLINE NIL
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METHOD GotoLine( n ) // Moves active line cursor
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METHOD SetActiveLine( n ) // Sets the line to be executed
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METHOD GetLine( nRow ) // Redefine HBEditor method to add line number
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METHOD LineColor( nRow ) // Redefine HBEditor method to handle line coloring
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METHOD ToggleBreakPoint( nRow, lSet ) // if lSet is .T. there is a BreakPoint active at nRow, if lSet is .F. BreakPoint at nRow has to be removed
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METHOD Search( cString, lCaseSensitive, nMode ) // 0 from Begining to end, 1 Forward, 2 Backwards
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METHOD LoadFile( cFileName )
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ENDCLASS
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METHOD New( nTop, nLeft, nBottom, nRight, cFileName, cColor, lLineNumbers ) CLASS HBBrwText
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DEFAULT cColor TO SetColor()
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DEFAULT lLineNumbers TO .T.
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::cFileName := cFileName
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::lLineNumbers := lLineNumbers
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::Super:New( "", nTop, nLeft, nBottom, nRight, .T. )
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::Super:SetColor( cColor )
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::Super:LoadFile( cFileName )
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RETURN Self
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METHOD LoadFile( cFileName ) CLASS HBBrwText
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::Super:LoadFile( cFileName )
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RETURN Self
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METHOD GoTop() CLASS HBBrwText
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::MoveCursor( K_CTRL_PGUP )
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RETURN Self
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METHOD GoBottom() CLASS HBBrwText
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::MoveCursor( K_CTRL_PGDN )
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RETURN Self
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METHOD Up() CLASS HBBrwText
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::MoveCursor( K_UP )
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RETURN Self
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METHOD Left() CLASS HBBrwText
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::MoveCursor( K_LEFT )
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RETURN Self
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METHOD Right() CLASS HBBrwText
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::MoveCursor( K_RIGHT )
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RETURN Self
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METHOD End() CLASS HBBrwText
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::MoveCursor( K_END )
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RETURN Self
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METHOD Down() CLASS HBBrwText
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::MoveCursor( K_DOWN )
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RETURN Self
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METHOD PageUp() CLASS HBBrwText
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::MoveCursor( K_PGUP )
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RETURN Self
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METHOD PageDown() CLASS HBBrwText
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::MoveCursor( K_PGDN )
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RETURN Self
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METHOD RefreshAll() CLASS HBBrwText
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::RefreshWindow()
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RETURN Self
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METHOD RefreshCurrent() CLASS HBBrwText
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::RefreshLine()
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return Self
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METHOD SetActiveLine( n ) CLASS HBBrwText
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::nActiveLine := n
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::RefreshWindow()
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RETURN Self
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METHOD GotoLine( n ) CLASS HBBrwText
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::Super:GotoLine( n )
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RETURN Self
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METHOD GetLine( nRow ) CLASS HBBrwText
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RETURN iif( ::lLineNumbers, AllTrim( Str( nRow ) ) + ": ", "" ) + ::Super:GetLine( nRow )
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METHOD LineColor( nRow ) CLASS HBBrwText
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LOCAL lHilited := ( nRow == ::nActiveLine )
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LOCAL lBreak := AScan( ::aBreakPoints, nRow ) > 0
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LOCAL nIndex := CLR_CODE
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IF lHilited
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nIndex += CLR_CURSOR
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ENDIF
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IF lBreak
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nIndex += CLR_BKPT
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ENDIF
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RETURN hb_ColorIndex( ::cColorSpec, nIndex )
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METHOD ToggleBreakPoint( nRow, lSet ) CLASS HBBrwText
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LOCAL nAt := AScan( ::aBreakPoints, nRow )
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IF lSet
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// add it only if not present
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IF nAt == 0
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AAdd( ::aBreakPoints, nRow )
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ENDIF
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ELSEIF nAt != 0
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ADel( ::aBreakPoints, nAt )
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ASize( ::aBreakPoints, Len( ::aBreakPoints ) - 1 )
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ENDIF
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RETURN Self
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METHOD Search( cString, lCaseSensitive, nMode ) CLASS HBBrwText
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LOCAL nFrom
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LOCAL nTo
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LOCAL nStep
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LOCAL nFor
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LOCAL lFound := .F.
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DEFAULT lCaseSensitive TO .F.
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DEFAULT nMode TO 0
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IF !lCaseSensitive
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cString := Upper( cString )
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ENDIF
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DO CASE
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CASE nMode == 0 // From Top
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nFrom := 1
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nTo := ::naTextLen
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nStep := 1
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CASE nMode == 1 // Forward
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nFrom := Min( ::nRow + 1, ::naTextLen )
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nTo := ::naTextLen
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nStep := 1
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CASE nMode == 2 // Backward
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nFrom := Max( ::nRow - 1, 1 )
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nTo := 1
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nStep := -1
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ENDCASE
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FOR nFor := nFrom TO nTo STEP nStep
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IF cString $ iif( lCaseSensitive, ::GetLine( nFor ), Upper( ::GetLine( nFor ) ) )
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lFound := .T.
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::GotoLine( nFor )
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EXIT
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ENDIF
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NEXT
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RETURN lFound
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