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cc65/packages/windows/uninstall.vbs
cuz 9adac3c5b0 Simple windows installer/uninstaller
git-svn-id: svn://svn.cc65.org/cc65/trunk@3416 b7a2c559-68d2-44c3-8de9-860c34a00d81
2005-03-25 21:34:00 +00:00

680 lines
20 KiB
Plaintext

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