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b7e49c34d5
git-svn-id: svn://svn.openpilot.org/OpenPilot/trunk@2309 ebee16cc-31ac-478f-84a7-5cbb03baadba
102 lines
4.5 KiB
Plaintext
102 lines
4.5 KiB
Plaintext
' Windows Installer utility to add a transform or nested database as a substorage
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' For use with Windows Scripting Host, CScript.exe or WScript.exe
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' Copyright (c) Microsoft Corporation. All rights reserved.
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' Demonstrates the use of the database _Storages table
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'
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Option Explicit
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Const msiOpenDatabaseModeReadOnly = 0
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Const msiOpenDatabaseModeTransact = 1
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Const msiOpenDatabaseModeCreate = 3
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Const msiViewModifyInsert = 1
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Const msiViewModifyUpdate = 2
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Const msiViewModifyAssign = 3
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Const msiViewModifyReplace = 4
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Const msiViewModifyDelete = 6
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Const ForAppending = 8
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Const ForReading = 1
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Const ForWriting = 2
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Const TristateTrue = -1
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' Check arg count, and display help if argument not present or contains ?
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Dim argCount:argCount = Wscript.Arguments.Count
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If argCount > 0 Then If InStr(1, Wscript.Arguments(0), "?", vbTextCompare) > 0 Then argCount = 0
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If (argCount = 0) Then
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Wscript.Echo "Windows Installer database substorage managment utility" &_
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vbNewLine & " 1st argument is the path to MSI database (installer package)" &_
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vbNewLine & " 2nd argument is the path to a transform or database to import" &_
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vbNewLine & " If the 2nd argument is missing, substorages will be listed" &_
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vbNewLine & " 3rd argument is optional, the name used for the substorage" &_
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vbNewLine & " If the 3rd arugment is missing, the file name is used" &_
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vbNewLine & " To remove a substorage, use /D or -D as the 2nd argument" &_
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vbNewLine & " followed by the name of the substorage to remove" &_
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vbNewLine &_
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vbNewLine & "Copyright (C) Microsoft Corporation. All rights reserved."
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Wscript.Quit 1
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End If
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' Connect to Windows Installer object
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On Error Resume Next
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Dim installer : Set installer = Nothing
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Set installer = Wscript.CreateObject("WindowsInstaller.Installer") : CheckError
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' Evaluate command-line arguments and set open and update modes
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Dim databasePath:databasePath = Wscript.Arguments(0)
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Dim openMode : If argCount = 1 Then openMode = msiOpenDatabaseModeReadOnly Else openMode = msiOpenDatabaseModeTransact
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Dim updateMode : If argCount > 1 Then updateMode = msiViewModifyAssign 'Either insert or replace existing row
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Dim importPath : If argCount > 1 Then importPath = Wscript.Arguments(1)
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Dim storageName : If argCount > 2 Then storageName = Wscript.Arguments(2)
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If storageName = Empty And importPath <> Empty Then storageName = Right(importPath, Len(importPath) - InStrRev(importPath, "\",-1,vbTextCompare))
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If UCase(importPath) = "/D" Or UCase(importPath) = "-D" Then updateMode = msiViewModifyDelete : importPath = Empty 'substorage will be deleted if no input data
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' Open database and create a view on the _Storages table
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Dim sqlQuery : Select Case updateMode
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Case msiOpenDatabaseModeReadOnly: sqlQuery = "SELECT `Name` FROM _Storages"
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Case msiViewModifyAssign: sqlQuery = "SELECT `Name`,`Data` FROM _Storages"
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Case msiViewModifyDelete: sqlQuery = "SELECT `Name` FROM _Storages WHERE `Name` = ?"
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End Select
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Dim database : Set database = installer.OpenDatabase(databasePath, openMode) : CheckError
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Dim view : Set view = database.OpenView(sqlQuery)
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Dim record
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If openMode = msiOpenDatabaseModeReadOnly Then 'If listing storages, simply fetch all records
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Dim message, name
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view.Execute : CheckError
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Do
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Set record = view.Fetch
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If record Is Nothing Then Exit Do
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name = record.StringData(1)
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If message = Empty Then message = name Else message = message & vbNewLine & name
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Loop
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Wscript.Echo message
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Else 'If adding a storage, insert a row, else if removing a storage, delete the row
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Set record = installer.CreateRecord(2)
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record.StringData(1) = storageName
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view.Execute record : CheckError
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If importPath <> Empty Then 'Insert storage - copy data into stream
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record.SetStream 2, importPath : CheckError
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Else 'Delete storage, fetch first to provide better error message if missing
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Set record = view.Fetch
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If record Is Nothing Then Wscript.Echo "Storage not present:", storageName : Wscript.Quit 2
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End If
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view.Modify updateMode, record : CheckError
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database.Commit : CheckError
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Set view = Nothing
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Set database = Nothing
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CheckError
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End If
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Sub CheckError
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Dim message, errRec
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If Err = 0 Then Exit Sub
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message = Err.Source & " " & Hex(Err) & ": " & Err.Description
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If Not installer Is Nothing Then
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Set errRec = installer.LastErrorRecord
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If Not errRec Is Nothing Then message = message & vbNewLine & errRec.FormatText
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End If
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Wscript.Echo message
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Wscript.Quit 2
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End Sub
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