264 lines
7.6 KiB
Plaintext
264 lines
7.6 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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* HBEXTERN.CH generator
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*
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* Copyright 1999 Ryszard Glab <rglab@imid.med.pl>
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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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/* NOTE: The process is not completely automatical, the generated output should
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be edited by hand after extraction. */
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#include "common.ch"
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#include "fileio.ch"
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#ifndef __HARBOUR__
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#define hb_OSNewLine() ( Chr( 13 ) + Chr( 10 ) )
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#endif
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#define PATH_SEPARATOR "\"
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#define BASE_DIR "..\..\source\"
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STATIC aNames := {}
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PROCEDURE MAIN()
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LOCAL aDirs:={ BASE_DIR + "vm",;
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BASE_DIR + "rtl",;
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BASE_DIR + "rdd",;
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BASE_DIR + "pp",;
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BASE_DIR + "tools" }
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LOCAL i
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LOCAL aFiles
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LOCAL nOutput
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LOCAL nTime:=SECONDS()
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nOutput := FCREATE( "hbextern.ch_" )
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IF nOutput > 0
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FOR i:=1 TO LEN(aDirs)
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FWRITE( nOutput, "// Files from: " +aDirs[i] )
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FWRITE( nOutput, hb_OSNewLine() )
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FWRITE( nOutput, "//" )
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FWRITE( nOutput, hb_OSNewLine() )
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aFiles := DIRECTORY( aDirs[i] +PATH_SEPARATOR +"*.c" )
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ProcessDir( nOutput, aFiles, aDirs[ i ] )
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aFiles := DIRECTORY( aDirs[i] +PATH_SEPARATOR +"*.prg" )
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ProcessDir( nOutput, aFiles, aDirs[ i ] )
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FWRITE( nOutput, "//" )
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FWRITE( nOutput, REPLICATE( "-", 60) )
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FWRITE( nOutput, hb_OSNewLine() )
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NEXT
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FCLOSE( nOutput )
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ENDIF
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? SECONDS() - nTime
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RETURN
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PROCEDURE ProcessDir( nOutput, aFiles, cDir )
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LOCAL i, nLen
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? "Files from ", cDir
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nLen := LEN( aFiles )
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FOR i := 1 TO nLen
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FWRITE( nOutput, "//" )
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FWRITE( nOutput, hb_OSNewLine() )
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FWRITE( nOutput, "//symbols from file: " +Lower(cDir+ PATH_SEPARATOR +aFiles[i][ 1 ] ))
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FWRITE( nOutput, hb_OSNewLine() )
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FWRITE( nOutput, "//" )
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FWRITE( nOutput, hb_OSNewLine() )
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ProcessFile( nOutput, cDir + PATH_SEPARATOR + aFiles[ i ][ 1 ] )
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NEXT
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RETURN
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PROCEDURE ProcessFile( nOut, cFile )
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LOCAL nH
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? cFile
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IF( AT( "INITSYMB.C", UPPER(cFile) ) == 0 )
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nH := FOPEN( cFile )
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IF( nH > 0 )
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FILEEVAL( nH, 255, hb_OSNewLine(), {|c| Processline(nOut, c)} )
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FCLOSE( nH )
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ENDIF
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ENDIF
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RETURN
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PROCEDURE ProcessLine( nOut, cLine )
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LOCAL nPos
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nPos := AT( "//", cLine )
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IF nPos > 0 .AND. nPos < 7
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RETURN
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ELSE
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nPos := AT( "*", cLine )
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IF nPos > 0 .AND. nPos < 7
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RETURN
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ENDIF
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ENDIF
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nPos := AT( "HB_FUNC(", cLine )
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IF nPos > 0
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cLine := LTRIM( SUBSTR( cLine, nPos + Len("HB_FUNC(") ) )
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nPos := AT( ")", cLine )
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IF nPos > 0
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cLine := ALLTRIM( Left( cLine, nPos - 1 ) )
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? cLine
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IF (ISALPHA(cLine) .OR. cLine="_") .AND. ASCAN( aNames, {|c|c==cLine} ) == 0
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AADD( aNames, cLine )
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FWRITE( nOut, "EXTERNAL " +cLine + hb_OSNewLine() )
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ENDIF
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ENDIF
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ELSE
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cLine := UPPER( cLine )
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nPos := AT( "FUNCTION", cLine )
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IF nPos > 0
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IF( AT( "STATIC", cLine ) == 0 )
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cLine := LTRIM( SUBSTR( cLine, nPos+8 ) )
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nPos := AT( "(", cLine )
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IF nPos > 0
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cLine := ALLTRIM( LEFT( cLine, nPos-1 ) )
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? cLine
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IF (ISALPHA(cLine) .OR. cLine="_") .AND. !(" " $ cLine) .AND. ASCAN( aNames, {|c|c==cLine} ) == 0
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AADD( aNames, cLine )
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FWRITE( nOut, "EXTERNAL " +cLine + hb_OSNewLine() )
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ENDIF
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ENDIF
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ENDIF
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ELSE
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nPos := AT( "PROCEDURE", cLine )
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IF nPos > 0
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IF AT( "STATIC", cLine ) == 0
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cLine := LTRIM( SUBSTR( cLine, nPos+9 ) )
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nPos := AT( "(", cLine )
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IF nPos > 0
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cLine :=ALLTRIM( LEFT( cLine, nPos-1 ) )
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? cLine
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IF (ISALPHA(cLine) .OR. cLine="_") .AND. !(" " $ cLine) .AND. ASCAN( aNames, {|c|c==cLine} ) == 0
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AADD( aNames, cLine )
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FWRITE( nOut, "EXTERNAL " +cLine + hb_OSNewLine() )
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ENDIF
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ENDIF
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ENDIF
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ENDIF
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ENDIF
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ENDIF
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RETURN
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PROCEDURE FileEval( nHandle, nLineLength, cDelim, bBlock )
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LOCAL cLine
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FSEEK( nHandle, 0 )
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cLine := FReadLn( nHandle, 1, nLineLength, cDelim )
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IF FERROR() != 0
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RETURN
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ENDIF
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DO WHILE !( cLine == "" )
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EVAL( bBlock, cLine )
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cLine := FReadLn( nHandle, 1, nLineLength, cDelim )
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IF FERROR() != 0
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RETURN
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ENDIF
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ENDDO
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RETURN
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FUNCTION FReadLn( nHandle, nLines, nLineLength, cDelim )
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LOCAL nCurPos
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LOCAL nFileSize
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LOCAL nChrsToRead
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LOCAL nChrsRead
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LOCAL cBuffer
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LOCAL cLines
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LOCAL nCount
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LOCAL nEOLPos
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nCurPos := FSEEK( nHandle, 0, FS_RELATIVE )
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nFileSize := FSEEK( nHandle, 0, FS_END )
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FSEEK( nHandle, nCurPos )
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nChrsToRead := MIN( nLineLength, nFileSize - nCurPos )
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cLines := ""
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nCount := 1
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DO WHILE nCount <= nLines .AND. nChrsToRead != 0
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cBuffer := SPACE( nChrsToRead )
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nChrsRead := FREAD( nHandle, @cBuffer, nChrsToRead )
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IF nChrsRead != nChrsToRead
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nChrsToRead := 0
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ENDIF
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nEOLPos := AT( cDelim, cBuffer )
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IF nEOLPos == 0
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cLines += LEFT( cBuffer, nChrsRead )
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nCurPos += nChrsRead
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ELSE
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cLines += LEFT( cBuffer, nEOLPos + LEN( cDelim ) - 1 )
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nCurPos += nEOLPos + LEN( cDelim ) - 1
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FSEEK( nHandle, nCurPos, FS_SET )
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ENDIF
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IF ( nFileSize - nCurPos ) < nLineLength
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nChrsToRead := nFileSize - nCurPos
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ENDIF
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nCount++
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ENDDO
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RETURN cLines
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