Statics bug resolved. Test program no longer required
This commit is contained in:
Eddie Runia
@@ -1,331 +0,0 @@
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//
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// Strip
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//
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// The Harbour stripping command
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//
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// Date : 04/05/1999
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//
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// Usage : Strip( FileFrom, FileTo )
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//
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// The output from FileFrom is copied to FileTo except for the empty lines
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//
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// Default files : From = strip.prg To = strip.out
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//
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#define MET_METHOD 0
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#define MET_DATA 1
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#define MET_CLASSDATA 2
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#define MET_INLINE 3
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#define MET_VIRTUAL 4
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function Main( cFrom, cTo )
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local oFrom
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local oTo
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local cOut
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static oTrick1, oTrick2 // Dirty trick
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cFrom := Default( cFrom, "strip.prg" )
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cTo := Default( cTo, "strip.out" )
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oFrom := TDosFile(oTrick1):New( cFrom, "R" )
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QOut("Next")
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oTo := TDosFile(oTrick2):New( cTo , "W" )
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do while !oFrom:lEoF
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cOut := oFrom:Run()
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if alltrim(cOut) != ""
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oTo:Run( cOut )
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endif
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enddo
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QOut( "Number of lines", oTo:nLine )
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oFrom:Dispose()
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oTo:Dispose()
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return nil
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//
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// Generic DOS file handler
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//
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function TDosFile( oShitFile ) // Parameter = dirty
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static hFile
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QOut("In")
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QOut(ValType(hFile))
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if hFile == NIL // Second instance not correct
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hFile := ClassCreate( "TDOSFILE", 9 ) // Create a new class def
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ClassAdd( hFile, "New" , @New() ,MET_METHOD) // Constructor
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ClassAdd( hFile, "Run" , @Run() ,MET_METHOD) // Get/set data
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ClassAdd( hFile, "Dispose", @Dispose() ,MET_METHOD) // Clean up code
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ClassAdd( hFile, "Read" , @Read() ,MET_METHOD) // Read line
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ClassAdd( hFile, "WriteLn", @WriteLn() ,MET_METHOD) // Write line
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ClassAdd( hFile, "Write" , @Write() ,MET_METHOD) // Write without CR
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// ClassAdd( hFile, "EoF" , @EoF() ,MET_METHOD) // End of file as function
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ClassAdd( hFile, "Goto" , @Goto() ,MET_METHOD) // Go to line
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ClassAdd( hFile, "hClass" ,1 ,MET_DATA )
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ClassAdd( hFile, "_hClass" ,1 ,MET_DATA )
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ClassAdd( hFile, "cFileName" ,2 ,MET_DATA ) // Filename spec. by user
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ClassAdd( hFile, "_cFileName",2 ,MET_DATA ) // Filename spec. by user
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ClassAdd( hFile, "hFile" ,3 ,MET_DATA ) // File handle
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ClassAdd( hFile, "_hFile" ,3 ,MET_DATA ) // File handle
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ClassAdd( hFile, "nLine" ,4 ,MET_DATA ) // Current linenumber
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ClassAdd( hFile, "_nLine" ,4 ,MET_DATA ) // Current linenumber
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ClassAdd( hFile, "nError" ,5 ,MET_DATA ) // Last error
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ClassAdd( hFile, "_nError" ,5 ,MET_DATA ) // Last error
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ClassAdd( hFile, "lEoF" ,6 ,MET_DATA ) // End of file
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ClassAdd( hFile, "_lEoF" ,6 ,MET_DATA ) // End of file
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ClassAdd( hFile, "cBlock" ,7 ,MET_DATA ) // Storage block
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ClassAdd( hFile, "_cBlock" ,7 ,MET_DATA ) // Storage block
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ClassAdd( hFile, "nBlockSize",8 ,MET_DATA ) // Size of read-ahead buffer
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ClassAdd( hFile, "_nBlockSize",8 ,MET_DATA ) // Size of read-ahead buffer
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ClassAdd( hFile, "cMode" ,9 ,MET_DATA ) // Mode of file use
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ClassAdd( hFile, "_cMode" ,9 ,MET_DATA ) // Mode of file use
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// R = read, W = write
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endif
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QOut("Out")
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QOut( ValType(hFile), hFile )
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return ClassInstance( hFile )
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//
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// Method DosFile:New -> Create a new dosfile
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//
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// <cFile> file name. No wild characters
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// <cMode> mode for opening. Default "R"
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// <nBlockSize> Optional maximum blocksize
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//
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function New( cFileName, cMode, nBlock )
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local self := QSelf() // Get self
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::nLine := 0
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::lEoF := .F.
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::cBlock := ""
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::cFileName := cFileName
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::cMode := Default( cMode, "R" )
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if ::cMode == "R"
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::hFile := fOpen( cFileName )
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elseif ::cMode == "W"
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::hFile := fCreate( cFileName )
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else
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QOut( "DosFile Init: Unknown file mode:", ::cMode )
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endif
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::nError := fError()
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if ::nError != 0
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::lEoF := .T.
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QOut( "Error ", ::nError)
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endif
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::nBlockSize := Default( nBlock, 4096 )
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return self
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function Run( xTxt, lCRLF )
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local self := QSelf()
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local xRet
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if ::cMode == "R"
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xRet := ::Read()
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else
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xRet := ::WriteLn( xTxt, lCRLF )
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endif
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return xRet
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//
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// Dispose -> Close the file handle
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//
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function Dispose()
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local self := QSelf()
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::cBlock := NIL
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if ::hFile != -1
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if ::cMode == "W" .and. ::nError != 0
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::Write( Chr(26) ) // Do not forget EOF marker
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endif
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if !fClose(::hFile)
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::nError := fError()
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QOut( "Dos Error closing ", ::cFileName, " Code ", ::nError)
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endif
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endif
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return self
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//
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// Read a single line
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//
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function Read()
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local self := QSelf()
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local cRet := ""
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local cBlock
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local nCrPos
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local nEoFPos
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local nRead
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if ::hFile == -1
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QOut( "DosFile:Read : No file open" )
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elseif ::cMode != "R"
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QOut( "File ", cFileName, " not open for reading" )
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elseif !::lEoF
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if Len(::cBlock) == 0 // Read new block
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cBlock := fReadStr( ::hFile, ::nBlockSize )
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if len(cBlock) == 0
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::nError := fError() // Error or EOF
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::lEoF := .T.
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else
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::cBlock := cBlock
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endif
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endif
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if !::lEoF
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::nLine := ::nLine + 1 // ++ not available
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nCRPos := At(Chr(10), ::cBlock)
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if nCRPos != 0 // More than one line read
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cRet := Substr( ::cBlock, 1, nCRPos - 1)
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::cBlock := Substr( ::cBlock, nCRPos + 1)
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else // No complete line
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cRet := ::cBlock
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::cBlock := ""
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cRet += ::Read() // Read the rest
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if !::lEoF
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::nLine := ::nLine - 1 // Adjust erroneous line count
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endif
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endif
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nEoFPos := At( Chr(26), cRet )
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if nEoFPos != 0 // End of file read
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cRet := Substr( cRet, 1, nEoFPos-1 )
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::lEoF := .T.
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endif
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cRet := Strtran( cRet, Chr(13), "" ) // Remove CR
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endif
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endif
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return cRet
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//
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// WriteLn -> Write a line to a file
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//
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// <xTxt> Text to write. May be any type. May also be an array containing
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// one or more strings
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// <lCRLF> End with Carriage Return/Line Feed (Default == TRUE)
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//
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function WriteLn( xTxt, lCRLF )
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local self := QSelf()
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local cBlock
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if ::hFile == -1
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QOut( "DosFile:Write : No file open" )
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elseif ::cMode != 'W'
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QOut( "File ",cFileName," not opened for writing" )
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else
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cBlock := ToChar( xTxt ) // Convert to string
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if Default( lCRLF, .T. )
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cBlock += Chr(10) // +chr(13) ??
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endif
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fWrite( ::hFile, cBlock, len(cBlock) )
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if fError() != 0
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::nError := fError() // Not completely written !
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endif
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::nLine := ::nLine + 1
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endif
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return self
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function Write( xTxt )
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local self := QSelf()
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return ::WriteLn( xTxt, .F. )
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&&function EoF()
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&&
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&& local self := QSelf()
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&&return ::lEoF
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//
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// Go to a specified line number
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//
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function Goto( nLine )
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local self := QSelf()
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local nWhere := 1
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if Empty(::hFile)
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QOut( "DosFile:Goto : No file open" )
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elseif ::cMode != "R"
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QOut( "File ", cName, " not open for reading" )
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else
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::lEoF := .F. // Clear (old) End of file
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::nLine := 0 // Start at beginning
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::cBlock := ""
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fSeek(::hFile, 0) // Go top
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do while !::lEoF .and. nWhere < nLine
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nWhere++
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::Run()
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enddo
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endif
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return !lEoF
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//
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// Always return a correct value
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//
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function Default( xArg, xDef )
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return if( ValType(xArg) != ValType(xDef), xDef, xArg )
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//
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// ToChar -> Convert xTxt to character
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//
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function ToChar( xTxt, cSeparator )
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local cValTxt
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local cOut
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cValTxt := ValType( xTxt )
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do case
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case cValTxt=="C" .or. cValTxt=="M" // Character
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cOut := xTxt
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case cValTxt=="N" // Numeric
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cOut := Alltrim(Str(xTxt))
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case cValTxt=="U" // Nothing to write
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cOut := ""
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case cValTxt=="D" // Date
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cOut := TransForm(xTxt, "")
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case cValTxt=="L" // Logical
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cOut := if( xTxt, "True", "False" )
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case cValTxt=="A" // Array
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cOut := ""
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aEval( xTxt, {|xItem| cOut += ToChar( xItem, cSeparator )+;
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Default( cSeparator, " " ) })
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cOut := Substr( cOut, 1, Len(cOut) - ;
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Len( Default( cSeparator, " " )))
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case cValTxt=="B" // Code block (??)
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cOut := Eval( xTxt )
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case cValTxt=="O" // Object (??)
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cOut := xTxt:Run()
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endcase
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return cOut
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@@ -1,341 +0,0 @@
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//
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// Strip
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//
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// The Harbour stripping command
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//
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// Date : 04/05/1999
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//
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// Usage : Strip( FileFrom, FileTo )
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//
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// The output from FileFrom is copied to FileTo except for the empty lines
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//
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// Default files : From = strip.prg To = strip.out
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//
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function Main( cFrom, cTo )
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local oFrom
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local oTo
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local cOut
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cFrom := Default( cFrom, "strip.prg" )
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cTo := Default( cTo, "strip.out" )
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oFrom := TDosFile():New( cFrom, "R" )
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oTo := TDosFile():New( cTo , "W" )
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// do while !oFrom:lEoF
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// cOut := oFrom:Run()
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// if alltrim(cOut) != ""
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// oTo:Run( cOut )
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// endif
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// enddo
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QOut( "Number of lines", oTo:nLine )
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oFrom:Dispose()
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oTo:Dispose()
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return nil
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//
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// Generic DOS file handler
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//
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function TDosFile( oGoneFile ) // Parameter = dirty
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static hClass
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local oFile
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local oRet
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QOut( "In = ",hClass )
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if ValType(hClass) != "N" // Second instance not correct
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QOut("Here")
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oFile := TClass():New( "TDOSFILE" ) // Create a new class def
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oFile:AddData( "cFileName" ) // Filename spec. by user
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oFile:AddData( "hFile" ) // File handle
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oFile:AddData( "nLine" ) // Current linenumber
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oFile:AddData( "nError" ) // Last error
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oFile:AddData( "lEoF" ) // End of file
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oFile:AddData( "cBlock" ) // Storage block
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oFile:AddData( "nBlockSize" ) // Size of read-ahead buffer
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oFile:AddData( "cMode" ) // Mode of file use
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// R = read, W = write
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oFile:AddMethod( "New" , @New() ) // Constructor
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oFile:AddMethod( "Run" , @Run() ) // Get/set data
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oFile:AddMethod( "Dispose", @Dispose() ) // Clean up code
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oFile:AddMethod( "Read" , @Read() ) // Read line
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oFile:AddMethod( "WriteLn", @WriteLn() ) // Write line
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oFile:AddMethod( "Write" , @Write() ) // Write without CR
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// oFile:AddMethod( "EoF" , @EoF() ) // End of file as function
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oFile:AddMethod( "Goto" , @Goto() ) // Go to line
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oFile:Create()
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QOut( "Before" )
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hClass := oFile:hClass
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endif
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oRet := ClassInstance( hClass )
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QOut( "Out = ", hClass )
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QOut( "Exit" )
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return oRet
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//
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// Method DosFile:New -> Create a new dosfile
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//
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// <cFile> file name. No wild characters
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// <cMode> mode for opening. Default "R"
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// <nBlockSize> Optional maximum blocksize
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//
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function New( cFileName, cMode, nBlock )
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local self := QSelf() // Get self
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::nLine := 0
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::lEoF := .F.
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::cBlock := ""
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::cFileName := cFileName
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::cMode := Default( cMode, "R" )
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if ::cMode == "R"
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::hFile := fOpen( cFileName )
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elseif ::cMode == "W"
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::hFile := fCreate( cFileName )
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else
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QOut( "DosFile Init: Unknown file mode:", ::cMode )
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endif
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::nError := fError()
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if ::nError != 0
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::lEoF := .T.
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QOut( "Error ", ::nError)
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endif
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::nBlockSize := Default( nBlock, 4096 )
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return self
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function Run( xTxt, lCRLF )
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local self := QSelf()
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local xRet
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if ::cMode == "R"
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xRet := ::Read()
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else
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xRet := ::WriteLn( xTxt, lCRLF )
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endif
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return xRet
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//
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// Dispose -> Close the file handle
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//
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function Dispose()
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local self := QSelf()
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::cBlock := NIL
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if ::hFile != -1
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if ::cMode == "W" .and. ::nError != 0
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::Write( Chr(26) ) // Do not forget EOF marker
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endif
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if !fClose(::hFile)
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::nError := fError()
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QOut( "Dos Error closing ", ::cFileName, " Code ", ::nError)
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endif
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endif
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return self
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//
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// Read a single line
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//
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function Read()
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local self := QSelf()
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local cRet := ""
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local cBlock
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local nCrPos
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local nEoFPos
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local nRead
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if ::hFile == -1
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QOut( "DosFile:Read : No file open" )
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elseif ::cMode != "R"
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QOut( "File ", cFileName, " not open for reading" )
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elseif !::lEoF
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if Len(::cBlock) == 0 // Read new block
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cBlock := fReadStr( ::hFile, ::nBlockSize )
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if len(cBlock) == 0
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::nError := fError() // Error or EOF
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::lEoF := .T.
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else
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::cBlock := cBlock
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endif
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endif
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if !::lEoF
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::nLine := ::nLine + 1 // ++ not available
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nCRPos := At(Chr(10), ::cBlock)
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if nCRPos != 0 // More than one line read
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cRet := Substr( ::cBlock, 1, nCRPos - 1)
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::cBlock := Substr( ::cBlock, nCRPos + 1)
|
||||
else // No complete line
|
||||
cRet := ::cBlock
|
||||
::cBlock := ""
|
||||
cRet += ::Read() // Read the rest
|
||||
if !::lEoF
|
||||
::nLine := ::nLine - 1 // Adjust erroneous line count
|
||||
endif
|
||||
endif
|
||||
nEoFPos := At( Chr(26), cRet )
|
||||
if nEoFPos != 0 // End of file read
|
||||
cRet := Substr( cRet, 1, nEoFPos-1 )
|
||||
::lEoF := .T.
|
||||
endif
|
||||
cRet := Strtran( cRet, Chr(13), "" ) // Remove CR
|
||||
endif
|
||||
endif
|
||||
return cRet
|
||||
|
||||
|
||||
//
|
||||
// WriteLn -> Write a line to a file
|
||||
//
|
||||
// <xTxt> Text to write. May be any type. May also be an array containing
|
||||
// one or more strings
|
||||
// <lCRLF> End with Carriage Return/Line Feed (Default == TRUE)
|
||||
//
|
||||
function WriteLn( xTxt, lCRLF )
|
||||
|
||||
local self := QSelf()
|
||||
local cBlock
|
||||
|
||||
if ::hFile == -1
|
||||
QOut( "DosFile:Write : No file open" )
|
||||
elseif ::cMode != 'W'
|
||||
QOut( "File ",cFileName," not opened for writing" )
|
||||
else
|
||||
cBlock := ToChar( xTxt ) // Convert to string
|
||||
if Default( lCRLF, .T. )
|
||||
cBlock += Chr(10) // +chr(13) ??
|
||||
endif
|
||||
fWrite( ::hFile, cBlock, len(cBlock) )
|
||||
if fError() != 0
|
||||
::nError := fError() // Not completely written !
|
||||
endif
|
||||
::nLine := ::nLine + 1
|
||||
endif
|
||||
return self
|
||||
|
||||
|
||||
function Write( xTxt )
|
||||
|
||||
local self := QSelf()
|
||||
|
||||
return ::WriteLn( xTxt, .F. )
|
||||
|
||||
|
||||
&&function EoF()
|
||||
&&
|
||||
&& local self := QSelf()
|
||||
&&return ::lEoF
|
||||
|
||||
|
||||
//
|
||||
// Go to a specified line number
|
||||
//
|
||||
function Goto( nLine )
|
||||
|
||||
local self := QSelf()
|
||||
local nWhere := 1
|
||||
|
||||
if Empty(::hFile)
|
||||
QOut( "DosFile:Goto : No file open" )
|
||||
elseif ::cMode != "R"
|
||||
QOut( "File ", cName, " not open for reading" )
|
||||
else
|
||||
::lEoF := .F. // Clear (old) End of file
|
||||
::nLine := 0 // Start at beginning
|
||||
::cBlock := ""
|
||||
fSeek(::hFile, 0) // Go top
|
||||
do while !::lEoF .and. nWhere < nLine
|
||||
nWhere++
|
||||
::Run()
|
||||
enddo
|
||||
endif
|
||||
return !lEoF
|
||||
|
||||
|
||||
//
|
||||
// Always return a correct value
|
||||
//
|
||||
function Default( xArg, xDef )
|
||||
return if( ValType(xArg) != ValType(xDef), xDef, xArg )
|
||||
|
||||
|
||||
//
|
||||
// ToChar -> Convert xTxt to character
|
||||
//
|
||||
function ToChar( xTxt, cSeparator )
|
||||
|
||||
local cValTxt
|
||||
local cOut
|
||||
|
||||
cValTxt := ValType( xTxt )
|
||||
do case
|
||||
case cValTxt=="C" .or. cValTxt=="M" // Character
|
||||
cOut := xTxt
|
||||
|
||||
case cValTxt=="N" // Numeric
|
||||
cOut := Alltrim(Str(xTxt))
|
||||
|
||||
case cValTxt=="U" // Nothing to write
|
||||
cOut := ""
|
||||
|
||||
case cValTxt=="D" // Date
|
||||
cOut := TransForm(xTxt, "")
|
||||
|
||||
case cValTxt=="L" // Logical
|
||||
cOut := if( xTxt, "True", "False" )
|
||||
|
||||
case cValTxt=="A" // Array
|
||||
cOut := ""
|
||||
aEval( xTxt, {|xItem| cOut += ToChar( xItem, cSeparator )+;
|
||||
Default( cSeparator, " " ) })
|
||||
cOut := Substr( cOut, 1, Len(cOut) - ;
|
||||
Len( Default( cSeparator, " " )))
|
||||
|
||||
case cValTxt=="B" // Code block (??)
|
||||
cOut := Eval( xTxt )
|
||||
|
||||
case cValTxt=="O" // Object (??)
|
||||
cOut := xTxt:Run()
|
||||
|
||||
endcase
|
||||
return cOut
|
||||
|
||||
function Clone( aIn )
|
||||
|
||||
local aRet
|
||||
local n
|
||||
local nLen
|
||||
local cType := ValType( aIn )
|
||||
|
||||
if cType != "A" .and. cType != "O"
|
||||
aRet := NIL
|
||||
else
|
||||
nLen := Len(aIn)
|
||||
aRet := Array(nLen)
|
||||
for n := 1 to nLen
|
||||
if ValType(aIn[n]) == "A"
|
||||
aRet[n] := Clone( aIn[n] )
|
||||
else
|
||||
aRet[n] := aIn[n]
|
||||
endif
|
||||
next nLoop
|
||||
endif
|
||||
return aRet
|
||||
|
||||
@@ -1,405 +0,0 @@
|
||||
//
|
||||
// Strip
|
||||
//
|
||||
// The Harbour stripping command
|
||||
//
|
||||
// Date : 04/05/1999
|
||||
//
|
||||
// Usage : Strip( FileFrom, FileTo )
|
||||
//
|
||||
// The output from FileFrom is copied to FileTo except for the empty lines
|
||||
//
|
||||
// Default files : From = strip.prg To = strip.out
|
||||
//
|
||||
|
||||
#define MET_METHOD 0
|
||||
#define MET_DATA 1
|
||||
#define MET_CLASSDATA 2
|
||||
#define MET_INLINE 3
|
||||
#define MET_VIRTUAL 4
|
||||
|
||||
function Main( cFrom, cTo )
|
||||
|
||||
local oFrom
|
||||
local oTo
|
||||
local cOut
|
||||
|
||||
cFrom := Default( cFrom, "strip.prg" )
|
||||
cTo := Default( cTo, "strip.out" )
|
||||
|
||||
oFrom := TDosFile():New( cFrom, "R" )
|
||||
oTo := TDosFile():New( cTo , "W" )
|
||||
|
||||
do while !oFrom:lEoF
|
||||
oTo:Run( oFrom:Run() )
|
||||
enddo
|
||||
QOut( "Number of lines", oTo:nLine )
|
||||
oFrom:Dispose()
|
||||
oTo:Dispose()
|
||||
return nil
|
||||
|
||||
|
||||
//
|
||||
// Generic DOS file handler
|
||||
//
|
||||
function TDosFile()
|
||||
|
||||
static oFile
|
||||
|
||||
if ValType(oFile) == "U" // Second instance not correct
|
||||
QOut("Here")
|
||||
oFile := XClass():XNew( "TDOSFILE" ) // Create a new class def
|
||||
|
||||
oFile:XAddData( "cFileName" ) // Filename spec. by user
|
||||
oFile:XAddData( "hFile" ) // File handle
|
||||
oFile:XAddData( "nLine" ) // Current linenumber
|
||||
oFile:XAddData( "nError" ) // Last error
|
||||
oFile:XAddData( "lEoF" ) // End of file
|
||||
oFile:XAddData( "cBlock" ) // Storage block
|
||||
oFile:XAddData( "nBlockSize" ) // Size of read-ahead buffer
|
||||
oFile:XAddData( "cMode" ) // Mode of file use
|
||||
// R = read, W = write
|
||||
|
||||
oFile:XAddMethod( "New" , @New() ) // Constructor
|
||||
oFile:XAddMethod( "Run" , @Run() ) // Get/set data
|
||||
oFile:XAddMethod( "Dispose", @Dispose() ) // Clean up code
|
||||
oFile:XAddMethod( "Read" , @Read() ) // Read line
|
||||
oFile:XAddMethod( "WriteLn", @WriteLn() ) // Write line
|
||||
oFile:XAddMethod( "Write" , @Write() ) // Write without CR
|
||||
// oFile:XAddMethod( "EoF" , @EoF() ) // End of file as function
|
||||
oFile:XAddMethod( "Goto" , @Goto() ) // Go to line
|
||||
|
||||
oFile:XCreate()
|
||||
else
|
||||
QOut( "There" )
|
||||
endif
|
||||
QOut( "Gone" )
|
||||
return oFile:XInstance()
|
||||
|
||||
|
||||
//
|
||||
// Method DosFile:New -> Create a new dosfile
|
||||
//
|
||||
// <cFile> file name. No wild characters
|
||||
// <cMode> mode for opening. Default "R"
|
||||
// <nBlockSize> Optional maximum blocksize
|
||||
//
|
||||
function New( cFileName, cMode, nBlock )
|
||||
|
||||
local self := QSelf() // Get self
|
||||
|
||||
::nLine := 0
|
||||
::lEoF := .F.
|
||||
::cBlock := ""
|
||||
::cFileName := cFileName
|
||||
::cMode := Default( cMode, "R" )
|
||||
|
||||
if ::cMode == "R"
|
||||
::hFile := fOpen( cFileName )
|
||||
elseif ::cMode == "W"
|
||||
::hFile := fCreate( cFileName )
|
||||
else
|
||||
QOut( "DosFile Init: Unknown file mode:", ::cMode )
|
||||
endif
|
||||
|
||||
::nError := fError()
|
||||
if ::nError != 0
|
||||
::lEoF := .T.
|
||||
QOut( "Error ", ::nError)
|
||||
endif
|
||||
::nBlockSize := Default( nBlock, 4096 )
|
||||
|
||||
return self
|
||||
|
||||
|
||||
function Run( xTxt, lCRLF )
|
||||
|
||||
local self := QSelf()
|
||||
local xRet
|
||||
|
||||
if ::cMode == "R"
|
||||
xRet := ::Read()
|
||||
else
|
||||
xRet := ::WriteLn( xTxt, lCRLF )
|
||||
endif
|
||||
return xRet
|
||||
|
||||
|
||||
//
|
||||
// Dispose -> Close the file handle
|
||||
//
|
||||
function Dispose()
|
||||
|
||||
local self := QSelf()
|
||||
|
||||
::cBlock := NIL
|
||||
if ::hFile != -1
|
||||
if ::cMode == "W" .and. ::nError != 0
|
||||
::Write( Chr(26) ) // Do not forget EOF marker
|
||||
endif
|
||||
if !fClose(::hFile)
|
||||
::nError := fError()
|
||||
QOut( "Dos Error closing ", ::cFileName, " Code ", ::nError)
|
||||
endif
|
||||
endif
|
||||
return self
|
||||
|
||||
|
||||
//
|
||||
// Read a single line
|
||||
//
|
||||
function Read()
|
||||
|
||||
local self := QSelf()
|
||||
local cRet := ""
|
||||
local cBlock
|
||||
local nCrPos
|
||||
local nEoFPos
|
||||
local nRead
|
||||
|
||||
if ::hFile == -1
|
||||
QOut( "DosFile:Read : No file open" )
|
||||
elseif ::cMode != "R"
|
||||
QOut( "File ", cFileName, " not open for reading" )
|
||||
elseif !::lEoF
|
||||
|
||||
if Len(::cBlock) == 0 // Read new block
|
||||
cBlock := fReadStr( ::hFile, ::nBlockSize )
|
||||
if len(cBlock) == 0
|
||||
::nError := fError() // Error or EOF
|
||||
::lEoF := .T.
|
||||
else
|
||||
::cBlock := cBlock
|
||||
endif
|
||||
endif
|
||||
|
||||
if !::lEoF
|
||||
::nLine := ::nLine + 1 // ++ not available
|
||||
nCRPos := At(Chr(10), ::cBlock)
|
||||
if nCRPos != 0 // More than one line read
|
||||
cRet := Substr( ::cBlock, 1, nCRPos - 1)
|
||||
::cBlock := Substr( ::cBlock, nCRPos + 1)
|
||||
else // No complete line
|
||||
cRet := ::cBlock
|
||||
::cBlock := ""
|
||||
cRet += ::Read() // Read the rest
|
||||
if !::lEoF
|
||||
::nLine := ::nLine - 1 // Adjust erroneous line count
|
||||
endif
|
||||
endif
|
||||
nEoFPos := At( Chr(26), cRet )
|
||||
if nEoFPos != 0 // End of file read
|
||||
cRet := Substr( cRet, 1, nEoFPos-1 )
|
||||
::lEoF := .T.
|
||||
endif
|
||||
cRet := Strtran( cRet, Chr(13), "" ) // Remove CR
|
||||
endif
|
||||
endif
|
||||
return cRet
|
||||
|
||||
|
||||
//
|
||||
// WriteLn -> Write a line to a file
|
||||
//
|
||||
// <xTxt> Text to write. May be any type. May also be an array containing
|
||||
// one or more strings
|
||||
// <lCRLF> End with Carriage Return/Line Feed (Default == TRUE)
|
||||
//
|
||||
function WriteLn( xTxt, lCRLF )
|
||||
|
||||
local self := QSelf()
|
||||
local cBlock
|
||||
|
||||
if ::hFile == -1
|
||||
QOut( "DosFile:Write : No file open" )
|
||||
elseif ::cMode != 'W'
|
||||
QOut( "File ",cFileName," not opened for writing" )
|
||||
else
|
||||
cBlock := ToChar( xTxt ) // Convert to string
|
||||
if Default( lCRLF, .T. )
|
||||
cBlock += Chr(10) // +chr(13) ??
|
||||
endif
|
||||
fWrite( ::hFile, cBlock, len(cBlock) )
|
||||
if fError() != 0
|
||||
::nError := fError() // Not completely written !
|
||||
endif
|
||||
::nLine := ::nLine + 1
|
||||
endif
|
||||
return self
|
||||
|
||||
|
||||
function Write( xTxt )
|
||||
|
||||
local self := QSelf()
|
||||
|
||||
return ::WriteLn( xTxt, .F. )
|
||||
|
||||
|
||||
&&function EoF()
|
||||
&&
|
||||
&& local self := QSelf()
|
||||
&&return ::lEoF
|
||||
|
||||
|
||||
//
|
||||
// Go to a specified line number
|
||||
//
|
||||
function Goto( nLine )
|
||||
|
||||
local self := QSelf()
|
||||
local nWhere := 1
|
||||
|
||||
if Empty(::hFile)
|
||||
QOut( "DosFile:Goto : No file open" )
|
||||
elseif ::cMode != "R"
|
||||
QOut( "File ", cName, " not open for reading" )
|
||||
else
|
||||
::lEoF := .F. // Clear (old) End of file
|
||||
::nLine := 0 // Start at beginning
|
||||
::cBlock := ""
|
||||
fSeek(::hFile, 0) // Go top
|
||||
do while !::lEoF .and. nWhere < nLine
|
||||
nWhere++
|
||||
::Run()
|
||||
enddo
|
||||
endif
|
||||
return !lEoF
|
||||
|
||||
|
||||
//
|
||||
// Always return a correct value
|
||||
//
|
||||
function Default( xArg, xDef )
|
||||
return if( ValType(xArg) != ValType(xDef), xDef, xArg )
|
||||
|
||||
|
||||
//
|
||||
// ToChar -> Convert xTxt to character
|
||||
//
|
||||
function ToChar( xTxt, cSeparator )
|
||||
|
||||
local cValTxt
|
||||
local cOut
|
||||
|
||||
cValTxt := ValType( xTxt )
|
||||
do case
|
||||
case cValTxt=="C" .or. cValTxt=="M" // Character
|
||||
cOut := xTxt
|
||||
|
||||
case cValTxt=="N" // Numeric
|
||||
cOut := Alltrim(Str(xTxt))
|
||||
|
||||
case cValTxt=="U" // Nothing to write
|
||||
cOut := ""
|
||||
|
||||
case cValTxt=="D" // Date
|
||||
cOut := TransForm(xTxt, "")
|
||||
|
||||
case cValTxt=="L" // Logical
|
||||
cOut := if( xTxt, "True", "False" )
|
||||
|
||||
case cValTxt=="A" // Array
|
||||
cOut := ""
|
||||
aEval( xTxt, {|xItem| cOut += ToChar( xItem, cSeparator )+;
|
||||
Default( cSeparator, " " ) })
|
||||
cOut := Substr( cOut, 1, Len(cOut) - ;
|
||||
Len( Default( cSeparator, " " )))
|
||||
|
||||
case cValTxt=="B" // Code block (??)
|
||||
cOut := Eval( xTxt )
|
||||
|
||||
case cValTxt=="O" // Object (??)
|
||||
cOut := xTxt:Run()
|
||||
|
||||
endcase
|
||||
return cOut
|
||||
|
||||
// Harbour Class XClass to build classes
|
||||
|
||||
function XClass()
|
||||
|
||||
static hClass := 0
|
||||
|
||||
if hClass == 0
|
||||
hClass := ClassCreate( "XCLASS", 7 )
|
||||
|
||||
ClassAdd( hClass, "XNew", @XNew(), MET_METHOD )
|
||||
ClassAdd( hClass, "XCreate", @XCreate(), MET_METHOD )
|
||||
ClassAdd( hClass, "XAddData", @XAddData(), MET_METHOD )
|
||||
ClassAdd( hClass, "XAddMethod", @XAddMethod(), MET_METHOD )
|
||||
ClassAdd( hClass, "XInstance", @XInstance(), MET_METHOD )
|
||||
|
||||
ClassAdd( hClass, "hClass", 1, MET_DATA )
|
||||
ClassAdd( hClass, "_hClass", 1, MET_DATA )
|
||||
ClassAdd( hClass, "cName", 2, MET_DATA )
|
||||
ClassAdd( hClass, "_cName", 2, MET_DATA )
|
||||
ClassAdd( hClass, "aDatas", 3, MET_DATA )
|
||||
ClassAdd( hClass, "_aDatas", 3, MET_DATA )
|
||||
ClassAdd( hClass, "aMethods", 4, MET_DATA )
|
||||
ClassAdd( hClass, "_aMethods", 4, MET_DATA )
|
||||
endif
|
||||
|
||||
return ClassInstance( hClass )
|
||||
|
||||
//----------------------------------------------------------------------------//
|
||||
|
||||
function XNew( cClassName )
|
||||
|
||||
local Self := QSelf()
|
||||
|
||||
::cName := cClassName
|
||||
::aDatas := { "hClass" }
|
||||
::aMethods := {}
|
||||
|
||||
return Self
|
||||
|
||||
//----------------------------------------------------------------------------//
|
||||
|
||||
function XCreate()
|
||||
|
||||
local Self := QSelf()
|
||||
local n, nLen := Len( ::aDatas )
|
||||
local hClass := ClassCreate( ::cName, nLen )
|
||||
|
||||
::hClass := hClass
|
||||
|
||||
for n := 1 to nLen
|
||||
ClassAdd( hClass, ::aDatas[ n ], n, MET_DATA )
|
||||
ClassAdd( hClass, "_" + ::aDatas[ n ], n, MET_DATA )
|
||||
next
|
||||
|
||||
nLen := Len( ::aMethods )
|
||||
for n := 1 to nLen
|
||||
ClassAdd( hClass, ::aMethods[ n ][ 1 ], ::aMethods[ n ][ 2 ], MET_METHOD )
|
||||
next
|
||||
|
||||
return nil
|
||||
|
||||
//----------------------------------------------------------------------------//
|
||||
|
||||
function XInstance()
|
||||
|
||||
local Self := QSelf()
|
||||
|
||||
return ClassInstance( ::hClass )
|
||||
|
||||
//----------------------------------------------------------------------------//
|
||||
|
||||
function XAddData( cData )
|
||||
|
||||
local Self := QSelf()
|
||||
|
||||
AAdd( ::aDatas, cData )
|
||||
|
||||
return nil
|
||||
|
||||
//----------------------------------------------------------------------------//
|
||||
|
||||
function XAddMethod( cMethod, nFuncPtr )
|
||||
|
||||
local Self := QSelf()
|
||||
|
||||
AAdd( ::aMethods, { cMethod, nFuncPtr } )
|
||||
|
||||
return nil
|
||||
|
||||
Reference in New Issue
Block a user