fix(install.bat): run in elevate cmd; detach WeaselServer process

output/install.bat

@@ -1,40 +1,57 @@
 @echo off
 
 rem argument 1: [ /s | /t ] register ime as zh_CN | zh_TW keyboard layout
-set WEASEL_INSTALL_OPTION=/s
-if /i "%1" == "/t" set WEASEL_INSTALL_OPTION=/t
+set install_option=/s
+if /i "%1" == "/t" set install_option=/t
 
 set CD_BACK=%CD%
 cd "%~dp0"
 
+if /i "%2" == "/register" goto register
+
 echo stopping service from an older version.
 call stop_service.bat
 
 echo configuring preset input schemas...
 WeaselDeployer.exe /install
 
+echo administrative permissions required. detecting permissions...
+net session >nul 2>&1
+if not %errorlevel% == 0 (
+  echo elevating command prompt...
+  cscript sudo.js "%~nx0" %install_option% /register
+  exit /b
+)
+
+:register
 echo registering Weasel IME to your system.
+echo install_option=%install_option%
 
-wscript check_windows_version.js
+cscript check_windows_version.js
 if errorlevel 2 goto win7_x64_install
 if errorlevel 1 goto xp_install
 
 :win7_install
-wscript sudo.js WeaselSetup.exe %WEASEL_INSTALL_OPTION%
-rem wscript sudo.js regsvr32.exe /s "%CD%\weasel.dll"
-goto exit
+WeaselSetup.exe %install_option%
+rem regsvr32.exe /s "%CD%\weasel.dll"
+goto next
 
 :win7_x64_install
-wscript sudo.js WeaselSetupx64.exe %WEASEL_INSTALL_OPTION%
-rem wscript sudo.js regsvr32.exe /s "%CD%\weasel.dll"
-rem wscript sudo.js regsvr32.exe /s "%CD%\weaselx64.dll"
-goto exit
+WeaselSetupx64.exe %install_option%
+rem regsvr32.exe /s "%CD%\weasel.dll"
+rem regsvr32.exe /s "%CD%\weaselx64.dll"
+goto next
 
 :xp_install
-WeaselSetup.exe %WEASEL_INSTALL_OPTION%
-goto exit
+WeaselSetup.exe %install_option%
+goto next
 
-:exit
+:next
 reg add "HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Run" /v WeaselServer /t REG_SZ /d "%CD%\WeaselServer.exe" /f
-WeaselServer.exe
+
+:done
+start WeaselServer.exe
+
+if /i "%2" == "/register" pause
+echo installed.
 cd "%CD_BACK%"

output/uninstall.bat

@@ -2,29 +2,46 @@
 
 set CD_BACK=%CD%
 cd "%~dp0"
+
+if /i "%1" == "/unregister" goto unregister
+
+echo stopping service.
 call stop_service.bat
 
+echo administrative permissions required. detecting permissions...
+net session >nul 2>&1
+if not %errorlevel% == 0 (
+  echo elevating command prompt...
+  cscript sudo.js "%~nx0" /unregister
+  exit /b
+)
+
+:unregister
 echo uninstalling Weasel ime.
 
-wscript check_windows_version.js
+cscript check_windows_version.js
 if errorlevel 2 goto win7_x64_uninstall
 if errorlevel 1 goto xp_uninstall
 
 :win7_uninstall
-wscript sudo.js WeaselSetup.exe /u
-rem wscript sudo.js regsvr32.exe /s /u "%CD%\weasel.dll"
-goto exit
+WeaselSetup.exe /u
+rem regsvr32.exe /s /u "%CD%\weasel.dll"
+goto next
 
 :win7_x64_uninstall
-wscript sudo.js WeaselSetupx64.exe /u
-rem wscript sudo.js regsvr32.exe /s /u "%CD%\weasel.dll"
-rem wscript sudo.js regsvr32.exe /s /u "%CD%\weaselx64.dll"
-goto exit
+WeaselSetupx64.exe /u
+rem regsvr32.exe /s /u "%CD%\weasel.dll"
+rem regsvr32.exe /s /u "%CD%\weaselx64.dll"
+goto next
 
 :xp_uninstall
 WeaselSetup.exe /u
-goto exit
+goto next
 
-:exit
+:next
 reg delete "HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Run" /v WeaselServer /f
+
+:done
+if /i "%1" == "/unregister" pause
+echo uninstalled.
 cd "%CD_BACK%"