mirror of
https://github.com/cc65/cc65.git
synced 2024-07-04 13:29:35 +00:00
680 lines
20 KiB
Plaintext
680 lines
20 KiB
Plaintext
Option Explicit ' Variables must be declared explicitly
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'******************************************************************************
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' Global constants and variables
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'******************************************************************************
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dim Tab, NewLine ' String constants
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dim Shell, FSO ' Global objects
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dim ProgArgs ' Program arguments
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dim Dbg ' Output debugging stuff
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dim Language ' Program language
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dim AppName ' Application name
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dim Title ' Application title
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dim UninstallCtrlFileName ' Name of the uninstall control file
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dim SystemDrive ' The system drive
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dim SystemRoot ' The windows directory
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dim UserName ' Name if the current user
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dim UserProfile ' User profile directory
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dim ProgramFiles ' Program files directory
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dim Failed ' Global flag for removal failed
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dim RegList ' List of registry entries to remove
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dim FileList ' List of files to remove
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dim DirList ' List of directories to remove
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'******************************************************************************
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' Display an error message window with an OK button
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'******************************************************************************
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sub ErrorMsg (Msg)
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call MsgBox (Msg, vbOkOnly + vbExclamation, Title)
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end sub
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'******************************************************************************
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' Display an error message window and abort the installer
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'******************************************************************************
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sub Abort (Msg)
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call ErrorMsg (Msg)
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WScript.Quit (1)
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end sub
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'******************************************************************************
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' Convert a number to a string
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'******************************************************************************
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function ToString (Num)
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ToString = FormatNumber (Num, vbFalse, vbTrue, vbFalse, vbFalse)
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end function
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'******************************************************************************
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' Return a message in the current language
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'******************************************************************************
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function GetMsg (Key)
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dim Msg
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' Handle other languages here
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' Default is english
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if IsEmpty (Msg) then
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' No assignment, use english
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select case Key
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case "MSG_ABORT"
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Msg = "Do you want to abort the installation?"
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case "MSG_ADMIN"
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Msg = "You must be Administrator to remove %1."
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Msg = Msg & " Are you sure you want to continue?"
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case "MSG_CTRLFILEERR"
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Msg = "The file %1 is invalid." & NewLine
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Msg = Msg & "Line %2: %3"
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case "MSG_DIRDEL"
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Msg = "Some folders could not be removed:"
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Msg = Msg & NewLine & "%1"
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case "MSG_DUPLICATE"
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Msg = "Duplicate value"
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case "MSG_FAILURE"
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Msg = "Could not remove %1." & NewLine
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Msg = "%2 needs to be run by an Administrator!"
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case "MSG_FILEDEL"
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Msg = "Some files could not be deleted:"
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Msg = Msg & NewLine & "%1"
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case "MSG_OPENERR"
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Msg = "Error opening %1"
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case "MSG_REGDEL"
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Msg = "Some registry entries could not be deleted:"
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Msg = Msg & NewLine & "%1"
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case "MSG_REMOVE"
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Msg = "Remove %1?"
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case "MSG_SUCCESS"
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Msg = "%1 has been successfully removed."
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case "MSG_USAGE"
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Msg = "Usage:" & NewLine & "uninstall appname ctrl-file"
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case else
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Msg = Key
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end select
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end if
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GetMsg = Msg
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end function
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'******************************************************************************
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' Format a string replacing %n specifiers in the format string F
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'******************************************************************************
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function Fmt (F, Values)
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dim I, Count, Key, Val, Start, Pos
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Count = UBound (Values) ' How many values?
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for I = Count to 0 step -1
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Key = "%" & ToString (I)
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select case VarType (Values (I))
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case vbEmpty
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Val = ""
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case vbInteger
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Val = ToString (Values (I))
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case vbLong
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Val = ToString (Values (I))
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case vbNull
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Val = ""
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case vbSingle
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Val = ToString (Values (I))
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case vbDouble
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Val = ToString (Values (I))
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case vbString
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Val = Values (I)
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case else
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Abort ("Internal error: Invalid conversion in Format()")
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end select
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F = Replace (F, Key, Val)
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next
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Fmt = F
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end function
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'******************************************************************************
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' Format a message replacing %n specifiers in the format string F
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'******************************************************************************
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function FmtMsg (Msg, Values)
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FmtMsg = Fmt (GetMsg (Msg), Values)
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end function
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'******************************************************************************
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' Return an environment string. Fix up Microsoft "innovative" ideas.
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'******************************************************************************
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function GetEnv (Key)
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dim Value
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Value = Shell.ExpandEnvironmentStrings (Key)
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if Value = Key then
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GetEnv = vbNullString
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else
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GetEnv = Value
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end if
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end function
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'******************************************************************************
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' Build a path from two components
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'******************************************************************************
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function BuildPath (Path, Name)
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BuildPath = FSO.BuildPath (Path, Name)
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end function
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'******************************************************************************
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' Delete a folder and return an error string
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'******************************************************************************
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function DeleteFolder (Path)
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on error resume next
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call FSO.DeleteFolder (Path, true)
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DeleteFolder = Err.Description
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end function
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'******************************************************************************
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' Delete a file and return an error string
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'******************************************************************************
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function DeleteFile (Path)
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on error resume next
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call FSO.DeleteFile (Path, true)
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DeleteFile = Err.Description
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end function
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'******************************************************************************
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' Delete a registry entry
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'******************************************************************************
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function RegDelete (Key)
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on error resume next
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call Shell.RegDelete (Key)
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RegDelete = Err.Description
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end function
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'******************************************************************************
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' Sort an array of strings
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'******************************************************************************
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sub QS (byref A, Lo, Hi)
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dim I, J, T
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' Quicksort
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do while Hi > Lo
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I = Lo + 1
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J = Hi
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do while I <= J
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do while I <= J
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if StrComp (A(Lo), A(I), vbTextCompare) < 0 then
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exit do
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end if
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I = I + 1
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loop
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do while I <= J
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if StrComp (A(Lo), A(J), vbTextCompare) >= 0 then
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exit do
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end if
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J = J - 1
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loop
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if I <= J then
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' Swap A(I) and A(J)
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T = A(I)
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A(I) = A(J)
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A(J) = T
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I = I + 1
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J = J - 1
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end if
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loop
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if J <> Lo then
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' Swap A(J) and A(Lo)
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T = A(J)
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A(J) = A(Lo)
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A(Lo) = T
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end if
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if (2 * J) > (Hi + Lo) then
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call QS (A, J + 1, Hi)
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Hi = J - 1
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else
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call QS (A, Lo, J - 1)
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Lo = J + 1
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end if
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loop
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end sub
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sub Quicksort (byref A)
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if UBound (A) > 1 then
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call QS (A, LBound (A), UBound (A))
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end if
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end sub
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'******************************************************************************
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' Initialize global variables
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'******************************************************************************
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sub InitializeGlobals ()
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dim I
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' String stuff used for formatting
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Tab = Chr (9)
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NewLine = Chr (13)
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' Global objects
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set Shell = WScript.CreateObject ("WScript.Shell")
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set FSO = CreateObject ("Scripting.FileSystemObject")
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' Arguments
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set ProgArgs = WScript.Arguments
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' Handle program arguments
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AppName = ""
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Title = "Uninstaller"
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UninstallCtrlFileName = ""
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Dbg = false
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Language = "de"
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for I = 0 to ProgArgs.Count-1
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select case ProgArgs(I)
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case "-de"
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Language = "de"
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case "-debug"
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Dbg = true
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case "-en"
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Language = "en"
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case else
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if AppName = "" then
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AppName = ProgArgs(I)
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elseif UninstallCtrlFileName = "" then
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UninstallCtrlFileName = ProgArgs(I)
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else
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call ErrorMsg (GetMsg ("MSG_USAGE"))
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WScript.Quit (1)
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end if
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end select
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next
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' We need the application name and uninstall control file
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if AppName = "" or UninstallCtrlFileName = "" then
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call Abort (GetMsg ("MSG_USAGE"))
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end if
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' Set the title early, because it's used in error messages
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Title = AppName & " Uninstaller"
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' Paths and locations
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SystemDrive = GetEnv ("%SystemDrive%")
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if SystemDrive = vbNullString then
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SystemDrive = "c:"
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end if
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SystemRoot = GetEnv ("%SystemRoot%")
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if SystemRoot = vbNullString then
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SystemRoot = BuildPath (SystemDrive, "winnt")
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end if
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UserName = GetEnv ("%USERNAME%")
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if UserName = vbNullString then
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UserName = "Administrator"
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end if
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UserProfile = GetEnv ("%USERPROFILE%")
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if UserProfile = vbNullString then
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UserProfile = BuildPath (SystemDrive, "Dokumente und Einstellungen\" & UserName)
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end if
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ProgramFiles = GetEnv ("%ProgramFiles%")
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if ProgramFiles = vbNullString then
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ProgramFiles = BuildPath (SystemDrive, "Programme")
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end if
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' Assume we could remove the software
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Failed = false
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end sub
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'******************************************************************************
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' Ask a yes/no question and return the result. "Yes" is default.
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'******************************************************************************
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function AskYesNo (Question)
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AskYesNo = MsgBox (Question, vbYesNo + vbQuestion + vbDefaultButton1, Title)
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end function
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'******************************************************************************
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' Ask a yes/no question and return the result. "No" is default.
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'******************************************************************************
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function AskNoYes (Question)
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AskNoYes = MsgBox (Question, vbYesNo + vbQuestion + vbDefaultButton2, Title)
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end function
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'******************************************************************************
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' Ask if the user wants to abort install, and terminate if the answer is yes
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'******************************************************************************
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sub QueryAbort ()
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if AskNoYes (GetMsg ("MSG_ABORT")) = vbYes then
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WScript.Quit (1)
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end if
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end sub
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'******************************************************************************
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' Function that displays the paths and locations found
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'******************************************************************************
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function OneLoc (Key, Value)
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dim Result
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Result = Trim (Key)
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if Len (Result) <= 8 then
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Result = Result & Tab
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end if
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OneLoc = Result & Tab & "=" & Tab & Value & NewLine
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end function
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sub ShowPathsAndLocations ()
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dim Msg
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Msg = Msg & OneLoc ("SystemDrive", SystemDrive)
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Msg = Msg & OneLoc ("SystemRoot", SystemRoot)
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Msg = Msg & OneLoc ("UserName", UserName)
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Msg = Msg & OneLoc ("UserProfile", UserProfile)
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Msg = Msg & OneLoc ("ProgramFiles", ProgramFiles)
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MsgBox Msg, vbOkOnly, "Paths and Locations"
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end sub
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'******************************************************************************
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' Check that were running this script as admin
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'******************************************************************************
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sub CheckAdminRights ()
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' FIXME: This check is not perfect
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if UserName <> "Administrator" then
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dim Args(1)
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Args(1) = AppName
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if AskNoYes (FmtMsg ("MSG_ADMIN", Args)) <> vbYes then
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WScript.Quit (1)
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end if
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end if
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end sub
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'******************************************************************************
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' Read the uninstall control file and create the data collections
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'******************************************************************************
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sub InvalidCtrlFile (Line, Val)
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dim Args(3)
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Args(1) = UninstallCtrlFileName
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Args(2) = Line
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Args(3) = Val
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call Abort (FmtMsg ("MSG_CTRLFILEERR", Args))
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end sub
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sub ReadUninstallCtrlFile ()
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const ForReading = 1
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dim File, Line, Tag, Args(3)
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dim MyRegList, MyFileList, myDirList
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' Create some dictionaries. These are not really used as dictionaries, but
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' have the nice property of expanding dynamically, and we need that.
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set MyRegList = CreateObject ("Scripting.Dictionary")
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set MyFileList = CreateObject ("Scripting.Dictionary")
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set MyDirList = CreateObject ("Scripting.Dictionary")
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' Open the file. Checking Err doesn't work here, don't know why.
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set File = nothing
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on error resume next
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set File = FSO.OpenTextFile (UninstallCtrlFileName, ForReading)
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on error goto 0
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if File is nothing then
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Args(1) = UninstallCtrlFileName
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call Abort (FmtMsg ("MSG_OPENERR", Args))
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end if
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' Read all lines and insert them in their list
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do while File.AtEndOfStream <> true
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' Read the next line
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on error resume next
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Line = File.ReadLine
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on error goto 0
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' Get the type from the line and remove it, so the line contains just
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' the argument name
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Tag = Left (Line, 1)
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Line = Mid (Line, 3)
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' Determine the type of the entry
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select case Tag
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case "D"
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' A directory. Convert to lowercase to unify names.
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Line = LCase (Line)
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if MyDirList.Exists (Line) then
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call InvalidCtrlFile (File.Line - 1, GetMsg ("MSG_DUPLICATE"))
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else
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call MyDirList.Add (Line, "")
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end if
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case "F"
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' A file. Convert to lowercase to unify names
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Line = LCase (Line)
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if MyFileList.Exists (Line) then
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call InvalidCtrlFile (File.Line - 1, GetMsg ("MSG_DUPLICATE"))
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else
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call MyFileList.Add (Line, "")
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end if
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case "R"
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' A registry entry
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if MyRegList.Exists (Line) then
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call InvalidCtrlFile (File.Line - 1, GetMsg ("MSG_DUPLICATE"))
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else
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call MyRegList.Add (Line, "")
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end if
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case else
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call InvalidCtrlFile (File.Line - 1, Tag & " " & Line)
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end select
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loop
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' Close the file
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on error resume next
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call File.Close ()
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on error goto 0
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' Make the global arrays big enough for the data
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RegList = Array (MyRegList.Count)
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FileList = Array (MyFileList.Count)
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DirList = Array (MyDirList.Count)
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' Copy the data into the global arrays
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RegList = MyRegList.Keys
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FileList = MyFileList.Keys
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DirList = MyDirList.Keys
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' Sort all the lists. This makes sure nodes are in the array before the
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' leaves that depend on it. Or in other words: Top level directories and
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' registry entries come first. So if we delete the items starting at the
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' other side of the array, we will never delete a subdirectory before its
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' parent directory.
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call QuickSort (RegList)
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call QuickSort (FileList)
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call QuickSort (DirList)
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end sub
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'******************************************************************************
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' Delete the registry entries
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'******************************************************************************
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sub DeleteRegistryEntries ()
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dim I, Result, NoDel, Args(1)
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NoDel = ""
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for I = UBound (RegList) to LBound (RegList) step -1
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Result = RegDelete (RegList (I))
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if Result <> "" then
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' Remember the entries we could not delete
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NoDel = NoDel & RegList (I) & NewLine
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end if
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next
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if NoDel <> "" then
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Args(1) = NoDel
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call ErrorMsg (FmtMsg ("MSG_REGDEL", Args))
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end if
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end sub
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'******************************************************************************
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' Delete the files
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'******************************************************************************
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sub DeleteFiles ()
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dim I, Result, NoDel, Args(1)
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NoDel = ""
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for I = UBound (FileList) to LBound (FileList) step -1
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Result = DeleteFile (FileList (I))
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if Result <> "" then
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' Remember the files we could not delete
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NoDel = NoDel & FileList (I) & NewLine
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end if
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next
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if NoDel <> "" then
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Args(1) = NoDel
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call ErrorMsg (FmtMsg ("MSG_FILEDEL", Args))
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end if
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end sub
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'******************************************************************************
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' Delete the directories
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'******************************************************************************
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sub DeleteDirectories ()
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dim I, Result, NoDel, Args(1)
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NoDel = ""
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for I = UBound (DirList) to LBound (DirList) step -1
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Result = DeleteFolder (DirList (I))
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if Result <> "" then
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' Remember the directories we could not delete
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NoDel = NoDel & DirList (I) & NewLine
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end if
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next
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if NoDel <> "" then
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Args(1) = NoDel
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call ErrorMsg (FmtMsg ("MSG_DIRDEL", Args))
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end if
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end sub
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'******************************************************************************
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' Function that tells the user that the install was successful
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'******************************************************************************
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sub Success ()
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dim Args(1), App
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' Popup message
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Args(1) = AppName
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call MsgBox (FmtMsg ("MSG_SUCCESS", Args), vbOkOnly + vbInformation, Title)
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end sub
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'******************************************************************************
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' Function that tells the user that the uninstall failed
|
|
'******************************************************************************
|
|
sub Failure ()
|
|
dim Args(2)
|
|
|
|
' Popup message
|
|
Args(1) = AppName
|
|
Args(2) = Title
|
|
ErrorMsg (FmtMsg ("MSG_FAILURE", Args))
|
|
WScript.Quit (1)
|
|
|
|
end sub
|
|
|
|
|
|
|
|
'******************************************************************************
|
|
' Main program
|
|
'******************************************************************************
|
|
sub Main ()
|
|
|
|
dim Args(1)
|
|
|
|
' Initialize global variables. This includes the paths used
|
|
InitializeGlobals ()
|
|
if Dbg then
|
|
ShowPathsAndLocations ()
|
|
end if
|
|
|
|
' Check that we're running this script as admin
|
|
CheckAdminRights ()
|
|
|
|
' Let the user make up his mind
|
|
Args(1) = AppName
|
|
if AskYesNo (FmtMsg ("MSG_REMOVE", Args)) <> vbYes then
|
|
WScript.Quit (1)
|
|
end if
|
|
|
|
' Read the uninstall control file
|
|
call ReadUninstallCtrlFile ()
|
|
|
|
' Delete the registry entries
|
|
call DeleteRegistryEntries ()
|
|
|
|
' Delete all files
|
|
call DeleteFiles ()
|
|
|
|
' Delete the directories
|
|
call DeleteDirectories ()
|
|
|
|
' We're done
|
|
if Failed then
|
|
Failure ()
|
|
else
|
|
Success ()
|
|
end if
|
|
end sub
|
|
|
|
|
|
|
|
'******************************************************************************
|
|
' The script body just calls Main...
|
|
'******************************************************************************
|
|
Main ()
|
|
|
|
|
|
|
|
|