PoshCode Archive  Artifact Content

Artifact fd19e34002605f73f38f280cdfd7bac5d80c9645d45dcb3073266e7413bfe766:

  • File TabExpansion-for-V2CTP3.ps1 — part of check-in [68baeceeb4] at 2018-06-10 14:25:03 on branch trunk — Ported TabExpansion from V2CTP2 to V2CTP3 and extended. Please dot souce this script file. (user: foobar size: 65237)

# encoding: ascii
# api: powershell
# title: TabExpansion for V2CTP3
# description: Ported TabExpansion from V2CTP2 to V2CTP3 and extended. Please dot souce this script file.
# version: 0.1
# type: script
# author: foobar
# license: CC0
# function: Write-ClassNames
# x-poshcode-id: 847
# x-archived: 2009-02-05T17:51:17
#
# Fixed [Hashtable] variable properties expansion
#
## Tab-Completion
#################
## For V2CTP3.
## This won't work on V1 and V2CTP and V2CTP2.
## Please dot souce this script file.
## In first loading, it may take a several minutes, in order to generate ProgIDs and TypeNames list.
## 
## What this can do is:
##
## [datetime]::n<tab>
## [datetime]::now.d<tab>
## $a = New-Object "Int32[,]" 2,3; $b = "PowerShell","PowerShell"
## $c = [ref]$a; $d = [ref]$b,$c
## $d[0].V<tab>[0][0].Get<tab>
## $d[1].V<tab>[0,0].tos<tab>
## $function:a<tab>
## $env:a<tab>
## [System.Type].a<tab>
## [datetime].Assembly.a<tab>
## ).a<tab> # shows System.Type properties and methods...

## #native command name expansion
## fsu<tab>

## #command option name expansion (for fsutil ipconfig net powershell only)
## fsutil <tab>
## ipconfig <tab>
## net <tab>
## powershell <tab>

## #TypeNames and Type accelerators expansion
## [Dec<tab>
## [system.Man<tab>.auto<tab>.p<tab>
## New-Object -TypeName IO.Dir<tab>
## New-Object System.win<tab>.for<tab>.bu<tab>

## #ProgIDs expansion
## New-Object -Com shel<tab>

## #Enum option expansion
## Set-ExecutionPolicy <tab>
## Set-ExecutionPolicy All<tab>
## Set-ExcusionPolisy -ex <tab>
## Get-TraceSource Inte<tab>
## iex -Errora <tab> -wa Sil<tab>

## #WmiClasses expansion
## Get-WmiObject -class Win32_<tab>
## gwmi __Instance<tab>

## #Encoding expansion
## [Out-File | Export-CSV | Select-String | Export-Clixml] -enc <tab>
## [Add-Content | Get-Content | Set-Content} -Encoding Big<tab>

## #PSProvider name expansion
## [Get-Location | Get-PSDrive | Get-PSProvider | New-PSDrive | Remove-PSDrive] -PSProvider <tab>
## Get-PSProvider <tab>
## pwd -psp al<tab>

## #PSDrive name expansion
## [Get-PSDrive | New-PSDrive | Remove-PSDrive] [-Name] <tab>
## Get-PSDrive <tab>
## pwd -psd <tab>

## #PSSnapin name expansion
## [Add-PSSnapin | Get-PSSnapin | Remove-PSSnapin ] [-Name] <tab>
## Get-Command -PSSnapin <tab>
## Remove-PSSnapin <tab>
## Get-PSSnapin M<tab>

## #Eventlog name and expansion
## Get-Eventlog -Log <tab>
## Get-Eventlog w<tab>

## #Eventlog's entrytype expansion
## Get-EventLog -EntryType <tab>
## Get-EventLog -EntryType Er<tab>
## Get-EventLog -Ent <tab>

## #Service name expansion
## [Get-Service | Restart-Service | Resume-Service | Start-Service | Stop-Service | Suspend-Service] [-Name] <tab>
## New-Service -DependsOn <tab>
## New-Service -Dep e<tab>
## Get-Service -n <tab>
## Get-Service <tab>,a<tab>,p<tab>
## gsv <tab>

## #Service display name expansion
## [Get-Service | Restart-Service | Resume-Service | Start-Service | Stop-Service | Suspend-Service] [-DisplayName] <tab>
## Get-Service -Dis <tab>
## gsv -Dis <tab>,w<tab>,b<tab>

## #Cmdlet and Topic name expansion
## Get-Help [-Name] about_<tab>
## Get-Help <tab>

## #Category name expansion
## Get-Help -Category c<tab>,<tab>

## #Command name expansion
## Get-Command [-Name] <tab>
## Get-Command -Name <tab>
## gcm a<tab>,<tab>

## #Scope expansion
## [Clear-Variable | Export-Alias | Get-Alias | Get-PSDrive | Get-Variable | Import-Alias
## New-Alias | New-PSDrive | New-Variable | Remove-Variable | Set-Alias | Set-Variable] -Scope <tab>
## Clear-Variable -Scope G<tab>
## Set-Alias  -s <tab>

## #Process name expansion
## [Get-Process | Stop-Process] [-Name] <tab>
## Stop-Process -Name <tab>
## Stop-Process -N pow<tab>
## Get-Process <tab>
## ps power<tab>

## #Trace sources expansion
## [Trace-Command | Get-TraceSource | Set-TraceSource] [-Name] <tab>,a<tab>,p<tab>

## #Trace -ListenerOption expansion
## [Set-TraceSource | Trace-Command] -ListenerOption <tab>
## Set-TraceSource -Lis <tab>,n<tab>

## #Trace -Option expansion
## [Set-TraceSource | Trace-Command] -Option <tab>
## Set-TraceSource -op <tab>,con<tab>

## #ItemType expansion
## New-Item -Item <tab>
## ni -ItemType d<tab>

## #ErrorAction and WarningAction option expansion
## CMDLET [-ErrorAction | -WarningAction] <tab>
## CMDLET -Errora s<tab>
## CMDLET -ea con<tab>
## CMDLET -wa <tab>

## #Continuous expansion with comma when parameter can treat multiple option
## # if there are spaces, occur display bug in the line
## # if strings contains '$' or '-', not work
## Get-Command -CommandType <tab>,<tab><tab>,cm<tab>
## pwd -psp <tab>,f<tab>,va<tab>
## Get-EventLog -EntryType <tab>,i<tab>,s<tab>

## #Enum expansion in method call expression
## # this needs one or more spaces after left parenthesis or comma
## $str = "day   night"
## $str.Split( " ",<space>rem<tab>
## >>> $str.Split( " ", "RemoveEmptyEntries" ) <Enter> ERROR
## $str.Split( " ", "RemoveEmptyEntries" -as<space><tab>
## >>> $str.Split( " ", "RemoveEmptyEntries" -as [System.StringSplitOptions] ) <Enter> Success
## $type = [System.Type]
## $type.GetMembers(<space>Def<tab>
## [IO.Directory]::GetFiles( "C:\", "*",<space>All<tab>
## # this can do continuous enum expansion with comma and no spaces
## $type.GetMembers( "IgnoreCase<comma>Dec<tab><comma>In<tab>"
## [IO.Directory]::GetAccessControl( "C:\",<space>au<tab><comma>ac<tab><comma>G<tab>

## #Better '$_.' expansion when cmdlet output objects or method return objects
## ls |group { $_.Cr<tab>.Tost<tab>"y")} | tee -var foo| ? { $_.G<tab>.c<tab> -gt 5 } | % { md $_.N<tab> ; copy $_.G<tab> $_.N<tab>  }
## [IO.DriveInfo]::GetDrives() | ? { $_.A<tab> -gt 1GB }
## $Host.UI.RawUI.GetBufferContents($rect) | % { $str += $_.c<tab> }
## gcm Add-Content |select -exp Par<tab>| select -ExpandProperty Par<tab> | ? { $_.Par<tab>.N<tab> -eq "string" }
## $data = Get-Process
## $data[2,4,5]  | % { $_.<tab>
## #when Get-PipeLineObject failed, '$_.' shows methods and properties name of FileInfo and String and Type

## #Property name expansion by -Property parameter
## [ Format-List | Format-Custom | Format-Table | Format-Wide | Compare-Object |
##  ConvertTo-Html | Measure-Object | Select-Object | Group-Object | Sort-Object ] [-Property] <tab>
## Select-Object -ExcludeProperty <tab>
## Select-Object -ExpandProperty <tab>
## gcm Get-Acl|select -exp Par<tab>
## ps |group na<tab>
## ls | ft A<tab>,M<tab>,L<tab>

## #Hashtable key expansion in the variable name and '.<tab>'
## Get-Process | Get-Unique | % { $hash += @{$_.ProcessName=$_} }
## $hash.pow<tab>.pro<tab>

## #Parameter expansion for function, filter and script
## man -f<tab>
## 'param([System.StringSplitOptions]$foo,[System.Management.Automation.ActionPreference]$bar,[System.Management.Automation.CommandTypes]$baz) {}' > foobar.ps1
## .\foobar.ps1 -<tab> -b<tab>

## #Enum expansion for function, filter and scripts
## # this can do continuous enum expansion with comma and no spaces
## .\foobar.ps1 -foo rem<tab> -bar <tab><comma>c<tab><comma>sc<tab> -ea silent<tab> -wa con<tab>

## #Enum expansion for assignment expression
## #needs space(s) after '=' and comma
## #strongly-typed with -as operator and space(s)
## $ErrorActionPreference =<space><tab>
## $cmdtypes = New-Object System.Management.Automation.CommandTypes[] 3
## $cmdtypes =<space><tab><comma><space>func<tab><comma><space>cmd<tab> -as<space><tab>

## #Path expansion with variable and '\' or '/'
## $PWD\../../<tab>\<tab>
## "$env:SystemDrive/pro<tab>/<tab>

## #Operator expansion which starts with '-'
## "Power","Shell" -m<tab> "Power" -r<tab> '(Pow)(er)','$1d$2'
## 1..9 -co<tab> 5

## #Keyword expansion
## fu<tab> test { p<tab> $foo, $bar ) b<tab> "foo" } pr<tab> $_ } en<tab> "$bar" } }

## #Variable name expansion (only global scope)
## [Clear-Variable | Get-Variable | New-Variable | Remove-Variable | Set-Variable] [-Name] <tab>
## [Cmdlet | Function | Filter | ExternalScript] -ErrorVariable <tab>
## [Cmdlet | Function | Filter | ExternalScript] -OutVariable <tab>
## Tee-Object -Variable <tab>
##  gv pro<tab>,<tab>
##  Remove-Variable -Name out<tab>,<tab>,ps<tab>
##  ... | ... | tee -v <tab>

## #Alias name expansion
## [Get-Alias | New-Alias | Set-Alias] [-Name] <tab>
## Export-Alias -Name <tab>
##  Get-Alias i<tab>,e<tab>,a<tab>
##  epal -n for<tab>

## #Property name expansion with -groupBy parameter
## [Format-List | Format-Custom | Format-Table | Format-Wide] -groupBy <tab>
##  ps | ft -g <tab>
##  gcm | Format-Wide -GroupBy Par<tab>

## #Type accelerators expansion with no charactors
##  [<tab>
##  New-Object -typename <tab>
##  New-Object <tab>

## # File glob expansion with '@'
##  ls *.txt@<tab>
##  ls file.txt, foo1.txt, 'bar``[1``].txt', 'foo bar .txt'	# 1 <tab> expanding with comma
##  ls * -Filter *.txt						# 2 <tab> refactoring 
##  ls *.txt							# 3 <tab> (or 1 <tab> & 1 <shift>+<tab>) return original glob pattern

## This can also use '^'(hat) or '~'(tilde) for Excluding
##  ls <hat>*.txt@<tab>
##  ls foo.ps1, 'bar``[1``].xml'		# 1 <tab> expanding with comma
##  ls * -Filter * -Excluding *.txt		# 2 <tab> refactoring 
##  *.txt<tilde>foo*<tilde>bar*@<tab>
##  ls file.txt					# 1 <tab> expanding with comma
##  ls * -Filter *.txt -Excluding foo*, bar*	# 2 <tab> refactoring 

## # Ported history expansion from V2CTP3 TabExpansion with '#' ( #<pattern> or #<id> )
##  ls * -Filter * -Excluding foo*, bar*<Enter>
##  #ls<tab>
##  #1<tab>

## # Command buffer stack with ';'(semicolon)
##  ls * -Filter * -Excluding foo*, bar*<semicolon><tab> # push command1
##  echo "PowerShell"<semicolon><tab> # push command2
##  get-process<semicolon><tab> # push command3
##  {COMMAND}<Enter> # execute another command 
##  get-process # Auto pop command3 from stack by LIFO
## This can also hand-operated pop with ';,'(semicolon&comma) or ';:'(semicolon&colon)
##  get-process; <semicolon><comma><tab>
##  get-process; echo "PowerShell" # pop command2 from stack by LIFO

## # Function name expansion after 'function' or 'filter' keywords
## function cl<tab>

### Generate ProgIDs list...
if ( Test-Path $PSHOME\ProgIDs.txt )
{
$_reader = New-Object IO.StreamReader $PSHOME\ProgIDs.txt
$_ProgID = $_reader.ReadToEnd().Split("", "RemoveEmptyEntries" -as [System.StringSplitOptions])
$_reader.Close()
Remove-Variable _reader
}
else
{
$_HKCR = [Microsoft.Win32.Registry]::ClassesRoot.OpenSubKey("CLSID\")
$_ProgID = New-Object ( [System.Collections.Generic.List``1].MakeGenericType([String]) )
foreach ( $_subkey in $_HKCR.GetSubKeyNames() )
{
foreach ( $_i in [Microsoft.Win32.Registry]::ClassesRoot.OpenSubKey("CLSID\$_subkey\ProgID") )
{
if ($_i -ne $null)
{
$_ProgID.Add($_i.GetValue(""))
}
}
}
'$_ProgID was updated...' | Out-Host
$_ProgID = $_ProgID|sort -Unique

Set-Content -Value $_ProgID -Path $PSHOME\ProgIDs.txt -Verbose
}

### Generate TypeNames list...

if ( Test-Path $PSHOME\TypeNames.txt )
{
$_reader = New-Object IO.StreamReader $PSHOME\TypeNames.txt
$_TypeNames = $_reader.ReadToEnd().Split("", "RemoveEmptyEntries" -as [System.StringSplitOptions])
$_reader.Close()
Remove-Variable _reader
}
else
{
$_TypeNames = New-Object ( [System.Collections.Generic.List``1].MakeGenericType([String]) )
foreach ( $_asm in [AppDomain]::CurrentDomain.GetAssemblies() )
{
foreach ( $_type in $_asm.GetTypes() )
{
$_TypeNames.Add($_type.FullName)
}
}
'$_TypeNames was updated...' | Out-Host
$_TypeNames = $_TypeNames | sort -Unique

Set-Content -Value $_TypeNames -Path $PSHOME\TypeNames.txt -Verbose
}

if ( Test-Path $PSHOME\TypeNames_System.txt )
{
$_reader = New-Object IO.StreamReader $PSHOME\TypeNames_System.txt
$_TypeNames_System = $_reader.ReadToEnd().Split("", "RemoveEmptyEntries" -as [System.StringSplitOptions])
$_reader.Close()
Remove-Variable _reader
}
else
{
$_TypeNames_System = $_TypeNames -like "System.*" -replace '^System\.'
'$_TypeNames_System was updated...' | Out-Host
Set-Content -Value $_TypeNames_System -Path $PSHOME\TypeNames_System.txt -Verbose
}

### Generate WMIClasses list...
if ( Test-Path $PSHOME\WMIClasses.txt )
{
$_reader = New-Object IO.StreamReader $PSHOME\WMIClasses.txt
$_WMIClasses = $_reader.ReadToEnd().Split("", "RemoveEmptyEntries" -as [System.StringSplitOptions])
$_reader.Close()
Remove-Variable _reader
}
else
{
$_WMIClasses = New-Object ( [System.Collections.Generic.List``1].MakeGenericType([String]) )
foreach ( $_class in gwmi -List )
{
$_WMIClasses.Add($_class.Name)
}
$_WMIClasses = $_WMIClasses | sort -Unique
'$_WMIClasses was updated...' | Out-Host
Set-Content -Value $_WMIClasses -Path $PSHOME\WMIClasses.txt -Verbose
}

[Reflection.Assembly]::LoadWithPartialName( "System.Windows.Forms" ) | Out-Null
$global:_cmdstack = New-Object Collections.Stack
$global:_snapin = $null
$global:_TypeAccelerators = [type]::gettype("System.Management.Automation.TypeAccelerators")::get.keys | sort

iex (@'
function prompt {
if ($_cmdstack.Count -gt 0) {
$line = $global:_cmdstack.Pop() -replace '([[\]\(\)+{}?~%])','{$1}'
[System.Windows.Forms.SendKeys]::SendWait($line)
}
'@ + @"
${function:prompt}
}
"@)

function Write-ClassNames ( $data, $i, $prefix='', $sep='.' )
{
$preItem = ""
foreach ( $class in $data -like $_opt )
{
$Item = $class.Split($sep)
if ( $preItem -ne $Item[$i] )
{
if ( $i+1 -eq $Item.Count )
{
if ( $prefix -eq "[" )
{
$suffix = "]"
}
elseif ( $sep -eq "_" )
{
$suffix = ""
}
else
{
$suffix = " "
}
}
else
{
$suffix = ""
}
$prefix + $_opt.Substring(0, $_opt.LastIndexOf($sep)+1) + $Item[$i] + $suffix

$preItem = $Item[$i]
}
}
}

function Get-PipeLineObject {

$i = -2
$property = $null
do {
$str = $line.Split("|")
# extract the command name from the string
# first split the string into statements and pipeline elements
# This doesn't handle strings however.
$_cmdlet = [regex]::Split($str[$i], '[|;=]')[-1]

# take the first space separated token of the remaining string
# as the command to look up. Trim any leading or trailing spaces
# so you don't get leading empty elements.
$_cmdlet = $_cmdlet.Trim().Split()[0]

if ( $_cmdlet -eq "?" )
{
$_cmdlet = "Where-Object"
}

$global:_exp = $_cmdlet

# now get the info object for it...
$_cmdlet = @(Get-Command -type 'cmdlet,alias' $_cmdlet)[0]

# loop resolving aliases...
while ($_cmdlet.CommandType -eq 'alias')
{
$_cmdlet = @(Get-Command -type 'cmdlet,alias' $_cmdlet.Definition)[0]
}

if ( "Select-Object" -eq $_cmdlet )
{
if ( $str[$i] -match '\s+-Exp\w*[\s:]+(\w+)' )
{
$property = $Matches[1] + ";" + $property
}
}

$i--
} while ( "Get-Unique", "Select-Object", "Sort-Object", "Tee-Object", "Where-Object" -contains $_cmdlet )

if ( $global:_forgci -eq $null )
{
$a = @(ls "Alias:\")[0]
$e = @(ls "Env:\")[0]
$f = @(ls "Function:\")[0]
$h = @(ls "HKCU:\")[0]
$v = @(ls "Variable:\")[0]
$c = @(ls "cert:\")[0]
$global:_forgci = gi $PSHOME\powershell.exe |
Add-Member -Name CommandType -MemberType 'NoteProperty' -Value $f.CommandType -PassThru |
Add-Member -Name Definition -MemberType 'NoteProperty' -Value $a.Definition -PassThru |
Add-Member -Name Description -MemberType 'NoteProperty' -Value $a.Description -PassThru |
Add-Member -Name Key -MemberType 'NoteProperty' -Value $e.Key -PassThru |
Add-Member -Name Location -MemberType 'NoteProperty' -Value $c.Location -PassThru |
Add-Member -Name LocationName -MemberType 'NoteProperty' -Value $c.LocationName -PassThru |
Add-Member -Name Options -MemberType 'NoteProperty' -Value $a.Options -PassThru |
Add-Member -Name ReferencedCommand -MemberType 'NoteProperty' -Value $a.ReferencedCommand -PassThru |
Add-Member -Name ResolvedCommand -MemberType 'NoteProperty' -Value $a.ResolvedCommand -PassThru |
Add-Member -Name ScriptBlock -MemberType 'NoteProperty' -Value $f.ScriptBlock -PassThru |
Add-Member -Name StoreNames -MemberType 'NoteProperty' -Value $c.StoreNames -PassThru |
Add-Member -Name SubKeyCount -MemberType 'NoteProperty' -Value $h.SubKeyCount -PassThru |
Add-Member -Name Value -MemberType 'NoteProperty' -Value $e.Value -PassThru |
Add-Member -Name ValueCount -MemberType 'NoteProperty' -Value $h.ValueCount -PassThru |
Add-Member -Name Visibility -MemberType 'NoteProperty' -Value $a.Visibility -PassThru |
Add-Member -Name Property -MemberType 'NoteProperty' -Value $h.Property -PassThru |
Add-Member -Name ResolvedCommandName -MemberType 'NoteProperty' -Value $a.ResolvedCommandName -PassThru |
Add-Member -Name Close -MemberType 'ScriptMethod' -Value {} -PassThru |
Add-Member -Name CreateSubKey -MemberType 'ScriptMethod' -Value {} -PassThru |
Add-Member -Name DeleteSubKey -MemberType 'ScriptMethod' -Value {} -PassThru |
Add-Member -Name DeleteSubKeyTree -MemberType 'ScriptMethod' -Value {} -PassThru |
Add-Member -Name DeleteValue -MemberType 'ScriptMethod' -Value {} -PassThru |
Add-Member -Name Flush -MemberType 'ScriptMethod' -Value {} -PassThru |
Add-Member -Name GetSubKeyNames -MemberType 'ScriptMethod' -Value {} -PassThru |
Add-Member -Name GetValue -MemberType 'ScriptMethod' -Value {} -PassThru |
Add-Member -Name GetValueKind -MemberType 'ScriptMethod' -Value {} -PassThru |
Add-Member -Name GetValueNames -MemberType 'ScriptMethod' -Value {} -PassThru |
Add-Member -Name IsValidValue -MemberType 'ScriptMethod' -Value {} -PassThru |
Add-Member -Name OpenSubKey -MemberType 'ScriptMethod' -Value {} -PassThru |
Add-Member -Name SetValue -MemberType 'ScriptMethod' -Value {} -PassThru
}

if ( $global:_mix -eq $null )
{
$f = gi $PSHOME\powershell.exe
$t = [type]
$s = ""
$global:_mix = `
Add-Member -InputObject (New-Object PSObject) -Name Mode -MemberType 'NoteProperty' -Value $f.Mode -PassThru |
Add-Member -Name Assembly -MemberType 'NoteProperty' -Value $t.Assembly -PassThru |
Add-Member -Name AssemblyQualifiedName -MemberType 'NoteProperty' -Value $t.AssemblyQualifiedName -PassThru |
Add-Member -Name Attributes -MemberType 'NoteProperty' -Value $f.Attributes -PassThru |
Add-Member -Name BaseType -MemberType 'NoteProperty' -Value $t.BaseType -PassThru |
Add-Member -Name ContainsGenericParameters -MemberType 'NoteProperty' -Value $t.ContainsGenericParameters -PassThru |
Add-Member -Name CreationTime -MemberType 'NoteProperty' -Value $f.CreationTime -PassThru |
Add-Member -Name CreationTimeUtc -MemberType 'NoteProperty' -Value $f.CreationTimeUtc -PassThru |
Add-Member -Name DeclaringMethod -MemberType 'NoteProperty' -Value $t.DeclaringMethod -PassThru |
Add-Member -Name DeclaringType -MemberType 'NoteProperty' -Value $t.DeclaringType -PassThru |
Add-Member -Name Exists -MemberType 'NoteProperty' -Value $f.Exists -PassThru |
Add-Member -Name Extension -MemberType 'NoteProperty' -Value $f.Extension -PassThru |
Add-Member -Name FullName -MemberType 'NoteProperty' -Value $f.FullName -PassThru |
Add-Member -Name GenericParameterAttributes -MemberType 'NoteProperty' -Value $t.GenericParameterAttributes -PassThru |
Add-Member -Name GenericParameterPosition -MemberType 'NoteProperty' -Value $t.GenericParameterPosition -PassThru |
Add-Member -Name GUID -MemberType 'NoteProperty' -Value $t.GUID -PassThru |
Add-Member -Name HasElementType -MemberType 'NoteProperty' -Value $t.HasElementType -PassThru |
Add-Member -Name IsAbstract -MemberType 'NoteProperty' -Value $t.IsAbstract -PassThru |
Add-Member -Name IsAnsiClass -MemberType 'NoteProperty' -Value $t.IsAnsiClass -PassThru |
Add-Member -Name IsArray -MemberType 'NoteProperty' -Value $t.IsArray -PassThru |
Add-Member -Name IsAutoClass -MemberType 'NoteProperty' -Value $t.IsAutoClass -PassThru |
Add-Member -Name IsAutoLayout -MemberType 'NoteProperty' -Value $t.IsAutoLayout -PassThru |
Add-Member -Name IsByRef -MemberType 'NoteProperty' -Value $t.IsByRef -PassThru |
Add-Member -Name IsClass -MemberType 'NoteProperty' -Value $t.IsClass -PassThru |
Add-Member -Name IsCOMObject -MemberType 'NoteProperty' -Value $t.IsCOMObject -PassThru |
Add-Member -Name IsContextful -MemberType 'NoteProperty' -Value $t.IsContextful -PassThru |
Add-Member -Name IsEnum -MemberType 'NoteProperty' -Value $t.IsEnum -PassThru |
Add-Member -Name IsExplicitLayout -MemberType 'NoteProperty' -Value $t.IsExplicitLayout -PassThru |
Add-Member -Name IsGenericParameter -MemberType 'NoteProperty' -Value $t.IsGenericParameter -PassThru |
Add-Member -Name IsGenericType -MemberType 'NoteProperty' -Value $t.IsGenericType -PassThru |
Add-Member -Name IsGenericTypeDefinition -MemberType 'NoteProperty' -Value $t.IsGenericTypeDefinition -PassThru |
Add-Member -Name IsImport -MemberType 'NoteProperty' -Value $t.IsImport -PassThru |
Add-Member -Name IsInterface -MemberType 'NoteProperty' -Value $t.IsInterface -PassThru |
Add-Member -Name IsLayoutSequential -MemberType 'NoteProperty' -Value $t.IsLayoutSequential -PassThru |
Add-Member -Name IsMarshalByRef -MemberType 'NoteProperty' -Value $t.IsMarshalByRef -PassThru |
Add-Member -Name IsNested -MemberType 'NoteProperty' -Value $t.IsNested -PassThru |
Add-Member -Name IsNestedAssembly -MemberType 'NoteProperty' -Value $t.IsNestedAssembly -PassThru |
Add-Member -Name IsNestedFamANDAssem -MemberType 'NoteProperty' -Value $t.IsNestedFamANDAssem -PassThru |
Add-Member -Name IsNestedFamily -MemberType 'NoteProperty' -Value $t.IsNestedFamily -PassThru |
Add-Member -Name IsNestedFamORAssem -MemberType 'NoteProperty' -Value $t.IsNestedFamORAssem -PassThru |
Add-Member -Name IsNestedPrivate -MemberType 'NoteProperty' -Value $t.IsNestedPrivate -PassThru |
Add-Member -Name IsNestedPublic -MemberType 'NoteProperty' -Value $t.IsNestedPublic -PassThru |
Add-Member -Name IsNotPublic -MemberType 'NoteProperty' -Value $t.IsNotPublic -PassThru |
Add-Member -Name IsPointer -MemberType 'NoteProperty' -Value $t.IsPointer -PassThru |
Add-Member -Name IsPrimitive -MemberType 'NoteProperty' -Value $t.IsPrimitive -PassThru |
Add-Member -Name IsPublic -MemberType 'NoteProperty' -Value $t.IsPublic -PassThru |
Add-Member -Name IsSealed -MemberType 'NoteProperty' -Value $t.IsSealed -PassThru |
Add-Member -Name IsSerializable -MemberType 'NoteProperty' -Value $t.IsSerializable -PassThru |
Add-Member -Name IsSpecialName -MemberType 'NoteProperty' -Value $t.IsSpecialName -PassThru |
Add-Member -Name IsUnicodeClass -MemberType 'NoteProperty' -Value $t.IsUnicodeClass -PassThru |
Add-Member -Name IsValueType -MemberType 'NoteProperty' -Value $t.IsValueType -PassThru |
Add-Member -Name IsVisible -MemberType 'NoteProperty' -Value $t.IsVisible -PassThru |
Add-Member -Name LastAccessTime -MemberType 'NoteProperty' -Value $f.LastAccessTime -PassThru |
Add-Member -Name LastAccessTimeUtc -MemberType 'NoteProperty' -Value $f.LastAccessTimeUtc -PassThru |
Add-Member -Name LastWriteTime -MemberType 'NoteProperty' -Value $f.LastWriteTime -PassThru |
Add-Member -Name LastWriteTimeUtc -MemberType 'NoteProperty' -Value $f.LastWriteTimeUtc -PassThru |
Add-Member -Name MemberType -MemberType 'NoteProperty' -Value $t.MemberType -PassThru |
Add-Member -Name MetadataToken -MemberType 'NoteProperty' -Value $t.MetadataToken -PassThru |
Add-Member -Name Module -MemberType 'NoteProperty' -Value $t.Module -PassThru |
Add-Member -Name Name -MemberType 'NoteProperty' -Value $t.Name -PassThru |
Add-Member -Name Namespace -MemberType 'NoteProperty' -Value $t.Namespace -PassThru |
Add-Member -Name Parent -MemberType 'NoteProperty' -Value $f.Parent -PassThru |
Add-Member -Name ReflectedType -MemberType 'NoteProperty' -Value $t.ReflectedType -PassThru |
Add-Member -Name Root -MemberType 'NoteProperty' -Value $f.Root -PassThru |
Add-Member -Name StructLayoutAttribute -MemberType 'NoteProperty' -Value $t.StructLayoutAttribute -PassThru |
Add-Member -Name TypeHandle -MemberType 'NoteProperty' -Value $t.TypeHandle -PassThru |
Add-Member -Name TypeInitializer -MemberType 'NoteProperty' -Value $t.TypeInitializer -PassThru |
Add-Member -Name UnderlyingSystemType -MemberType 'NoteProperty' -Value $t.UnderlyingSystemType -PassThru |
Add-Member -Name PSChildName -MemberType 'NoteProperty' -Value $f.PSChildName -PassThru |
Add-Member -Name PSDrive -MemberType 'NoteProperty' -Value $f.PSDrive -PassThru |
Add-Member -Name PSIsContainer -MemberType 'NoteProperty' -Value $f.PSIsContainer -PassThru |
Add-Member -Name PSParentPath -MemberType 'NoteProperty' -Value $f.PSParentPath -PassThru |
Add-Member -Name PSPath -MemberType 'NoteProperty' -Value $f.PSPath -PassThru |
Add-Member -Name PSProvider -MemberType 'NoteProperty' -Value $f.PSProvider -PassThru |
Add-Member -Name BaseName -MemberType 'NoteProperty' -Value $f.BaseName -PassThru |
Add-Member -Name Clone -MemberType 'ScriptMethod' -Value {} -PassThru |
Add-Member -Name CompareTo -MemberType 'ScriptMethod' -Value {} -PassThru |
Add-Member -Name Contains -MemberType 'ScriptMethod' -Value {} -PassThru |
Add-Member -Name CopyTo -MemberType 'ScriptMethod' -Value {} -PassThru |
Add-Member -Name Create -MemberType 'ScriptMethod' -Value {} -PassThru |
Add-Member -Name CreateObjRef -MemberType 'ScriptMethod' -Value {} -PassThru |
Add-Member -Name CreateSubdirectory -MemberType 'ScriptMethod' -Value {} -PassThru |
Add-Member -Name Delete -MemberType 'ScriptMethod' -Value {} -PassThru |
Add-Member -Name EndsWith -MemberType 'ScriptMethod' -Value {} -PassThru |
Add-Member -Name FindInterfaces -MemberType 'ScriptMethod' -Value {} -PassThru |
Add-Member -Name FindMembers -MemberType 'ScriptMethod' -Value {} -PassThru |
Add-Member -Name GetAccessControl -MemberType 'ScriptMethod' -Value {} -PassThru |
Add-Member -Name GetArrayRank -MemberType 'ScriptMethod' -Value {} -PassThru |
Add-Member -Name GetConstructor -MemberType 'ScriptMethod' -Value {} -PassThru |
Add-Member -Name GetConstructors -MemberType 'ScriptMethod' -Value {} -PassThru |
Add-Member -Name GetCustomAttributes -MemberType 'ScriptMethod' -Value {} -PassThru |
Add-Member -Name GetDefaultMembers -MemberType 'ScriptMethod' -Value {} -PassThru |
Add-Member -Name GetDirectories -MemberType 'ScriptMethod' -Value {} -PassThru |
Add-Member -Name GetElementType -MemberType 'ScriptMethod' -Value {} -PassThru |
Add-Member -Name GetEnumerator -MemberType 'ScriptMethod' -Value {} -PassThru |
Add-Member -Name GetEvent -MemberType 'ScriptMethod' -Value {} -PassThru |
Add-Member -Name GetEvents -MemberType 'ScriptMethod' -Value {} -PassThru |
Add-Member -Name GetField -MemberType 'ScriptMethod' -Value {} -PassThru |
Add-Member -Name GetFields -MemberType 'ScriptMethod' -Value {} -PassThru |
Add-Member -Name GetFiles -MemberType 'ScriptMethod' -Value {} -PassThru |
Add-Member -Name GetFileSystemInfos -MemberType 'ScriptMethod' -Value {} -PassThru |
Add-Member -Name GetGenericArguments -MemberType 'ScriptMethod' -Value {} -PassThru |
Add-Member -Name GetGenericParameterConstraints -MemberType 'ScriptMethod' -Value {} -PassThru |
Add-Member -Name GetGenericTypeDefinition -MemberType 'ScriptMethod' -Value {} -PassThru |
Add-Member -Name GetInterface -MemberType 'ScriptMethod' -Value {} -PassThru |
Add-Member -Name GetInterfaceMap -MemberType 'ScriptMethod' -Value {} -PassThru |
Add-Member -Name GetInterfaces -MemberType 'ScriptMethod' -Value {} -PassThru |
Add-Member -Name GetLifetimeService -MemberType 'ScriptMethod' -Value {} -PassThru |
Add-Member -Name GetMember -MemberType 'ScriptMethod' -Value {} -PassThru |
Add-Member -Name GetMembers -MemberType 'ScriptMethod' -Value {} -PassThru |
Add-Member -Name GetMethod -MemberType 'ScriptMethod' -Value {} -PassThru |
Add-Member -Name GetMethods -MemberType 'ScriptMethod' -Value {} -PassThru |
Add-Member -Name GetNestedType -MemberType 'ScriptMethod' -Value {} -PassThru |
Add-Member -Name GetNestedTypes -MemberType 'ScriptMethod' -Value {} -PassThru |
Add-Member -Name GetObjectData -MemberType 'ScriptMethod' -Value {} -PassThru |
Add-Member -Name GetProperties -MemberType 'ScriptMethod' -Value {} -PassThru |
Add-Member -Name GetProperty -MemberType 'ScriptMethod' -Value {} -PassThru |
Add-Member -Name GetTypeCode -MemberType 'ScriptMethod' -Value {} -PassThru |
Add-Member -Name IndexOf -MemberType 'ScriptMethod' -Value {} -PassThru |
Add-Member -Name IndexOfAny -MemberType 'ScriptMethod' -Value {} -PassThru |
Add-Member -Name InitializeLifetimeService -MemberType 'ScriptMethod' -Value {} -PassThru |
Add-Member -Name Insert -MemberType 'ScriptMethod' -Value {} -PassThru |
Add-Member -Name InvokeMember -MemberType 'ScriptMethod' -Value {} -PassThru |
Add-Member -Name IsAssignableFrom -MemberType 'ScriptMethod' -Value {} -PassThru |
Add-Member -Name IsDefined -MemberType 'ScriptMethod' -Value {} -PassThru |
Add-Member -Name IsInstanceOfType -MemberType 'ScriptMethod' -Value {} -PassThru |
Add-Member -Name IsNormalized -MemberType 'ScriptMethod' -Value {} -PassThru |
Add-Member -Name IsSubclassOf -MemberType 'ScriptMethod' -Value {} -PassThru |
Add-Member -Name LastIndexOf -MemberType 'ScriptMethod' -Value {} -PassThru |
Add-Member -Name LastIndexOfAny -MemberType 'ScriptMethod' -Value {} -PassThru |
Add-Member -Name MakeArrayType -MemberType 'ScriptMethod' -Value {} -PassThru |
Add-Member -Name MakeByRefType -MemberType 'ScriptMethod' -Value {} -PassThru |
Add-Member -Name MakeGenericType -MemberType 'ScriptMethod' -Value {} -PassThru |
Add-Member -Name MakePointerType -MemberType 'ScriptMethod' -Value {} -PassThru |
Add-Member -Name MoveTo -MemberType 'ScriptMethod' -Value {} -PassThru |
Add-Member -Name Normalize -MemberType 'ScriptMethod' -Value {} -PassThru |
Add-Member -Name PadLeft -MemberType 'ScriptMethod' -Value {} -PassThru |
Add-Member -Name PadRight -MemberType 'ScriptMethod' -Value {} -PassThru |
Add-Member -Name Refresh -MemberType 'ScriptMethod' -Value {} -PassThru |
Add-Member -Name Remove -MemberType 'ScriptMethod' -Value {} -PassThru |
Add-Member -Name Replace -MemberType 'ScriptMethod' -Value {} -PassThru |
Add-Member -Name SetAccessControl -MemberType 'ScriptMethod' -Value {} -PassThru |
Add-Member -Name Split -MemberType 'ScriptMethod' -Value {} -PassThru |
Add-Member -Name StartsWith -MemberType 'ScriptMethod' -Value {} -PassThru |
Add-Member -Name Substring -MemberType 'ScriptMethod' -Value {} -PassThru |
Add-Member -Name ToCharArray -MemberType 'ScriptMethod' -Value {} -PassThru |
Add-Member -Name ToLower -MemberType 'ScriptMethod' -Value {} -PassThru |
Add-Member -Name ToLowerInvariant -MemberType 'ScriptMethod' -Value {} -PassThru |
Add-Member -Name ToUpper -MemberType 'ScriptMethod' -Value {} -PassThru |
Add-Member -Name ToUpperInvariant -MemberType 'ScriptMethod' -Value {} -PassThru |
Add-Member -Name Trim -MemberType 'ScriptMethod' -Value {} -PassThru |
Add-Member -Name TrimEnd -MemberType 'ScriptMethod' -Value {} -PassThru |
Add-Member -Name TrimStart -MemberType 'ScriptMethod' -Value {} -PassThru |
Add-Member -Name Chars -MemberType 'NoteProperty' -Value $s.Chars -PassThru
}


if ( "Add-Member" -eq $_cmdlet )
{
$global:_dummy = $null
}


if ( "Compare-Object" -eq $_cmdlet )
{
$global:_dummy =  (Compare-Object 1 2)[0]
}


if ( "ConvertFrom-SecureString" -eq $_cmdlet )
{
$global:_dummy = $null
}


if ( "ConvertTo-SecureString" -eq $_cmdlet )
{
$global:_dummy = convertto-securestring "P@ssW0rD!" -asplaintext -force
}


if ( "ForEach-Object" -eq $_cmdlet )
{
$global:_dummy = $null
}


if ( "Get-Acl" -eq $_cmdlet )
{
$global:_dummy = Get-Acl
}


if ( "Get-Alias" -eq $_cmdlet )
{
$global:_dummy = (Get-Alias)[0]
}


if ( "Get-AuthenticodeSignature" -eq $_cmdlet )
{
$global:_dummy = Get-AuthenticodeSignature $PSHOME\powershell.exe
}


if ( "Get-ChildItem" -eq $_cmdlet )
{
$global:_dummy = $global:_forgci
}


if ( "Get-Command" -eq $_cmdlet )
{
$global:_dummy = @(iex $str[$i+1])[0]
}


if ( "Get-Content" -eq $_cmdlet )
{
$global:_dummy = (type $PSHOME\profile.ps1)[0]
}


if ( "Get-Credential" -eq $_cmdlet )
{
$global:_dummy = $null
}


if ( "Get-Culture" -eq $_cmdlet )
{
$global:_dummy = Get-Culture
}


if ( "Get-Date" -eq $_cmdlet )
{
$global:_dummy = Get-Date
}


if ( "Get-Event" -eq $_cmdlet )
{
$global:_dummy = (Get-Event)[0]
}


if ( "Get-EventLog" -eq $_cmdlet )
{
$global:_dummy = @(iex $str[$i+1])[0]
}


if ( "Get-ExecutionPolicy" -eq $_cmdlet )
{
$global:_dummy = Get-ExecutionPolicy
}


if ( "Get-Help" -eq $_cmdlet )
{
$global:_dummy = Get-Help Add-Content
}


if ( "Get-History" -eq $_cmdlet )
{
$global:_dummy = Get-History -Count 1
}


if ( "Get-Host" -eq $_cmdlet )
{
$global:_dummy = Get-Host
}


if ( "Get-Item" -eq $_cmdlet )
{
$global:_dummy = $global:_forgci
}


if ( "Get-ItemProperty" -eq $_cmdlet )
{
$global:_dummy = $null
}


if ( "Get-Location" -eq $_cmdlet )
{
$global:_dummy = Get-Location
}


if ( "Get-Member" -eq $_cmdlet )
{
$global:_dummy = (1|Get-Member)[0]
}


if ( "Get-Module" -eq $_cmdlet )
{
$global:_dummy = (Get-Module)[0]
}


if ( "Get-PfxCertificate" -eq $_cmdlet )
{
$global:_dummy = $null
}


if ( "Get-Process" -eq $_cmdlet )
{
$global:_dummy = ps powershell
}


if ( "Get-PSBreakpoint" -eq $_cmdlet )
{
$global:_dummy =
Add-Member -InputObject (New-Object PSObject) -Name Action -MemberType 'NoteProperty' -Value '' -PassThru |
Add-Member -Name Command -MemberType 'NoteProperty' -Value '' -PassThru |
Add-Member -Name Enabled -MemberType 'NoteProperty' -Value '' -PassThru |
Add-Member -Name HitCount -MemberType 'NoteProperty' -Value '' -PassThru |
Add-Member -Name Id -MemberType 'NoteProperty' -Value '' -PassThru |
Add-Member -Name Script -MemberType 'NoteProperty' -Value '' -PassThru
}


if ( "Get-PSCallStack" -eq $_cmdlet )
{
$global:_dummy = Get-PSCallStack
}


if ( "Get-PSDrive" -eq $_cmdlet )
{
$global:_dummy = Get-PSDrive Function
}


if ( "Get-PSProvider" -eq $_cmdlet )
{
$global:_dummy = Get-PSProvider FileSystem
}


if ( "Get-PSSnapin" -eq $_cmdlet )
{
$global:_dummy = Get-PSSnapin Microsoft.PowerShell.Core
}


if ( "Get-Service" -eq $_cmdlet )
{
$global:_dummy = (Get-Service)[0]
}


if ( "Get-TraceSource" -eq $_cmdlet )
{
$global:_dummy = Get-TraceSource AddMember
}


if ( "Get-UICulture" -eq $_cmdlet )
{
$global:_dummy = Get-UICulture
}


if ( "Get-Variable" -eq $_cmdlet )
{
$global:_dummy = Get-Variable _
}


if ( "Get-WmiObject" -eq $_cmdlet )
{
$global:_dummy = @(iex $str[$i+1])[0]
}


if ( "Group-Object" -eq $_cmdlet )
{
$global:_dummy = 1 | group
}


if ( "Measure-Command" -eq $_cmdlet )
{
$global:_dummy = Measure-Command {}
}


if ( "Measure-Object" -eq $_cmdlet )
{
$global:_dummy = Measure-Object
}


if ( "New-PSDrive" -eq $_cmdlet )
{
$global:_dummy =  Get-PSDrive Alias
}


if ( "New-TimeSpan" -eq $_cmdlet )
{
$global:_dummy = New-TimeSpan
}


if ( "Resolve-Path" -eq $_cmdlet )
{
$global:_dummy = $PWD
}


if ( "Select-String" -eq $_cmdlet )
{
$global:_dummy = " " | Select-String " "
}


if ( "Set-Date" -eq $_cmdlet )
{
$global:_dummy =  Get-Date
}

if ( $property -ne $null)
{
foreach ( $name in $property.Split(";", "RemoveEmptyEntries" -as [System.StringSplitOptions]) )
{
$global:_dummy = @($global:_dummy.$name)[0]
}
}
}


function TabExpansion {

param($line, $lastWord)

& {

function Write-Members ($sep='.')
{

Invoke-Expression ('$_val=' + $_expression)

if ( $_expression -match '^\$global:_dummy' )
{
$temp = $_expression -replace '^\$global:_dummy(.*)','$1'
$_expression = '$_' + $temp
}

$_method = [Management.Automation.PSMemberTypes] `
'Method,CodeMethod,ScriptMethod,ParameterizedProperty'
if ($sep -eq '.')
{
$params = @{view = 'extended','adapted','base'}
}
else
{
$params = @{static=$true}
}

if ( $_val -is [Hashtable] )
{
[Object[]]$_keys = $null
foreach ( $_name in $_val.Keys )
{
$_keys += `
New-Object Microsoft.PowerShell.Commands.MemberDefinition `
[int],$_name,"Property",0
}
}

if ( $_keys -ne $null )
{
$_members = [Object[]](Get-Member @params -InputObject $_val $_pat) + ($_keys | ? {$_.name -like $_pat})
} else {
$_members = (Get-Member @params -InputObject $_val $_pat)
}

foreach ($_m in $_members | Sort-Object membertype,name)
{
if ($_m.MemberType -band $_method)
{
# Return a method...
$_base + $_expression + $sep + $_m.name + '('
}
else {
# Return a property...
$_base + $_expression + $sep + $_m.name
}
}
}
$host.UI.RawUI.WindowTitle = "Windows PowerShell V2 (CTP2)" + $lastword

switch -regex ($lastWord)
{
# Handle property and method expansion at '$_'
'(^.*)(\$_\.)(\w*)$' {
$_base = $matches[1]
$_expression = '$global:_dummy'
$_pat = $matches[3] + '*'
$global:_dummy = $null
Get-PipeLineObject
if ( $global:_dummy -eq $null )
{

if ( $global:_exp -match '^\$.*\(.*$' )
{
$type = ( iex $global:_exp.Split("(")[0] ).OverloadDefinitions[0].Split(" ")[0] -replace '\[[^\[\]]*\]$' -as [type]

if ( $_expression -match '^\$global:_dummy' )
{
$temp = $_expression -replace '^\$global:_dummy(.*)','$1'
$_expression = '$_' + $temp
}

foreach ( $_m in $type.GetMembers() | sort membertype,name | group name | ? { $_.Name -like $_pat } | % { $_.Group[0] } )
{
if ($_m.MemberType -eq "Method")
{
$_base + $_expression + '.' + $_m.name + '('
}
else {
$_base + $_expression + '.' + $_m.name
}
}
break;
}
elseif ( $global:_exp -match '^\[.*\:\:.*\(.*$' )
{
$tname, $mname = $_exp.Split(":(", "RemoveEmptyEntries"-as [System.StringSplitOptions])[0,1]
$type = @(iex ($tname + '.GetMember("' + $mname + '")'))[0].ReturnType.FullName -replace '\[[^\[\]]*\]$' -as [type]

if ( $_expression -match '^\$global:_dummy' )
{
$temp = $_expression -replace '^\$global:_dummy(.*)','$1'
$_expression = '$_' + $temp
}

foreach ( $_m in $type.GetMembers() | sort membertype,name | group name | ? { $_.Name -like $_pat } | % { $_.Group[0] } )
{
if ($_m.MemberType -eq "Method")
{
$_base + $_expression + '.' + $_m.name + '('
}
else {
$_base + $_expression + '.' + $_m.name
}
}
break;
}
elseif ( $global:_exp -match '^(\$\w+(\[[0-9,\.]+\])*(\.\w+(\[[0-9,\.]+\])*)*)$' )
{
$global:_dummy = @(iex $Matches[1])[0]
}
else
{
$global:_dummy =  $global:_mix
}
}

Write-Members
break;
}

# Handle property and method expansion rooted at variables...
# e.g. $a.b.<tab>
'(^.*)(\$(\w|\.)+)\.(\w*)$' {
$_base = $matches[1]
$_expression = $matches[2]
$_pat = $matches[4] + '*'
[void] ( iex "$_expression.IsDataLanguageOnly" ) # for [ScriptBlock]
if ( $_expression -match '^\$_\.' )
{
$_expression = $_expression -replace '^\$_(.*)',('$global:_dummy' + '$1')
}
Write-Members
break;
}

# Handle simple property and method expansion on static members...
# e.g. [datetime]::n<tab>
'(^.*)(\[(\w|\.)+\])\:\:(\w*)$' {
$_base = $matches[1]
$_expression = $matches[2]
$_pat = $matches[4] + '*'
Write-Members '::'
break;
}

# Handle complex property and method expansion on static members
# where there are intermediate properties...
# e.g. [datetime]::now.d<tab>
'(^.*)(\[(\w|\.)+\]\:\:(\w+\.)+)(\w*)$' {
$_base = $matches[1]  # everything before the expression
$_expression = $matches[2].TrimEnd('.') # expression less trailing '.'
$_pat = $matches[5] + '*'  # the member to look for...
Write-Members
break;
}

# Handle variable name expansion...
'(^.*\$)(\w+)$' {
$_prefix = $matches[1]
$_varName = $matches[2]
foreach ($_v in Get-ChildItem ('variable:' + $_varName + '*'))
{
$_prefix + $_v.name
}
break;
}

# Handle env&function drives variable name expansion...
'(^.*\$)(.*\:)(\w+)$' {
$_prefix = $matches[1]
$_drive = $matches[2]
$_varName = $matches[3]
if ($_drive -eq "env:" -or $_drive -eq "function:")
{
foreach ($_v in Get-ChildItem ($_drive + $_varName + '*'))
{
$_prefix + $_drive + $_v.name
}
}
break;
}

# Handle array's element property and method expansion
# where there are intermediate properties...
# e.g. foo[0].n.b<tab>
'(^.*)(\$((\w+\.)|(\w+(\[(\w|,)+\])+\.))+)(\w*)$'
{
$_base = $matches[1]
$_expression = $matches[2].TrimEnd('.')
$_pat = $Matches[8] + '*'
[void] ( iex "$_expression.IsDataLanguageOnly" ) # for [ScriptBlock]
if ( $_expression -match '^\$_\.' )
{
$_expression = $_expression -replace '^\$_(.*)',('$global:_dummy' + '$1')
}
Write-Members
break;
}

# Handle property and method expansion rooted at type object...
# e.g. [System.Type].a<tab>
'(^\[(\w|\.)+\])\.(\w*)$'
{
if ( $(iex $Matches[1]) -isnot [System.Type] ) { break; }
$_expression = $Matches[1]
$_pat = $Matches[$matches.Count-1] + '*'
Write-Members
break;
}

# Handle complex property and method expansion on type object members
# where there are intermediate properties...
# e.g. [datetime].Assembly.a<tab>
'^(\[(\w|\.)+\]\.(\w+\.)+)(\w*)$' {
$_expression = $matches[1].TrimEnd('.') # expression less trailing '.'
$_pat = $matches[4] + '*'  # the member to look for...
if ( $(iex $_expression) -eq $null ) { break; }
Write-Members
break;
}

# Handle property and method expansion rooted at close parenthes...
# e.g. (123).a<tab>
'^(.*)\)((\w|\.)*)\.(\w*)$' {
$_base = $Matches[1] + ")"
if ( $matches[3] -eq $null) { $_expression = '[System.Type]' }
else { $_expression = '[System.Type]' + $Matches[2] }
$_pat = $matches[4] + '*'
iex "$_expression | Get-Member $_pat | sort MemberType,Name" |
% {
if ( $_.MemberType -like "*Method*" -or $_.MemberType -like "*Parameterized*" ) { $parenthes = "(" }
if ( $Matches[2] -eq "" ) { $_base + "." + $_.Name + $parenthes }
else { $_base + $Matches[2] + "." + $_.Name + $parenthes }
}
break;
}


# Handle .NET type name expansion ...
# e.g. [Microsoft.PowerShell.Com<tab>
'^\[((\w+\.?)*)$' {
$_opt = $matches[1] + '*'
if ( $_opt -eq "*" )
{
$_TypeAccelerators -like $_opt -replace '^(.*)$', '[$1]'
}
else
{
$_TypeAccelerators -like $_opt -replace '^(.*)$', '[$1]'
Write-ClassNames $_TypeNames_System ($_opt.Split(".").Count-1) '['
Write-ClassNames $_TypeNames ($_opt.Split(".").Count-1) '['
}
break;
}

# Handle file/directory name which contains $env: variable
# e.g.  $env:windir\<tab>
'^\$(env:)?\w+([\\/][^\\/]*)*$' {
$path = iex ('"' + $Matches[0] + '"')
if ( $Matches[2].Length -gt 1 )
{
$parent = Split-Path $path -Parent
$leaf = (Split-Path $path -Leaf) + '*'
}
else
{
$parent = $path
$leaf = '*'
}
if ( Test-Path $parent )
{
$i = $Matches[0].LastIndexOfAny("/\")
$_base = $Matches[0].Substring(0,$i+1)
[IO.Directory]::GetFileSystemEntries( $parent, $leaf ) | % { $_base + ($_.Split("\/")[-1] -replace '([\$\s&])','`$1' -replace '([[\]])', '````$1') }
}
}

# Handle file glob expansion ...
# e.g. *.txt~about*@<tab>
'^(\^?([^~]+))(~(.*))*@$' {
if ( $Matches[1] -notlike "^*" )
{
$include = $Matches[2] -replace '``','`'
if ( $Matches[3] )
{
$exclude = $Matches[3].Split("~", "RemoveEmptyEntries" -as [System.StringSplitOptions]) -replace '``','`'
}
}
else
{
$include = "*"
$exclude = $Matches[2] -replace '``','`'
}
$fse = [IO.Directory]::GetFileSystemEntries($PWD)
$fse = $fse -replace '.*[\\/]([^/\\]*)$','$1'
% -in ($fse -like $include) { $fse = $_; $exclude | % { $fse = $fse -notlike $_ } }
$fse = $fse -replace '^.*\s.*$', ("'`$0'")
$fse = $fse -replace '([\[\]])', '``$1' -replace '^.*([\[\]]).*$', ("'`$0'")
$fse = $fse -replace "''", "'"
$OFS = ", "; "$fse"
$OFS = ", "; "* -Filter $include " + $(if($exclude){"-Exclude $exclude"})
$Matches[0].Substring(0, $Matches[0].Length-1)
break;
}

# Handle command buffer stack...
'(.*);(.?)$' {
$_base = $Matches[1]
if ( $Matches[2] -eq ":" -or $Matches[2] -eq "," )
{
if ( $_cmdstack.Count -gt 0 )
{
$_base + $global:_cmdstack.Pop()
}
else
{
""
}
}
elseif ( $Matches[2] -eq "" )
{
$global:_cmdstack.Push($line.SubString(0,$line.Length-1))
[System.Windows.Forms.SendKeys]::SendWait("{ESC}")
}
}

# Do completion on parameters...
'^-([\w0-9]*)' {
$_pat = $matches[1] + '*'

# extract the command name from the string
# first split the string into statements and pipeline elements
# This doesn't handle strings however.
$_command = [regex]::Split($line, '[|;=]')[-1]

#  Extract the trailing unclosed block e.g. ls | foreach { cp
if ($_command -match '\{([^\{\}]*)$')
{
$_command = $matches[1]
}

# Extract the longest unclosed parenthetical expression...
if ($_command -match '\(([^()]*)$')
{
$_command = $matches[1]
}

# take the first space separated token of the remaining string
# as the command to look up. Trim any leading or trailing spaces
# so you don't get leading empty elements.
$_command = $_command.Trim().Split()[0]

# now get the info object for it...
$_command = @(Get-Command -type 'Cmdlet,Alias,Function,Filter,ExternalScript' $_command)[0]

# loop resolving aliases...
while ($_command.CommandType -eq 'alias')
{
$_command = @(Get-Command -type 'Cmdlet,Alias,Function,Filter,ExternalScript' $_command.Definition)[0]
}

if ( $_command -ne $null )
{
# expand the parameter sets and emit the matching elements
foreach ($_n in $_command.Parameters.Keys | sort)
{
if ($_n -like $_pat) { '-' + $_n }
}
}
else
{
"-and", "-as", "-band", "-bnot", "-bor", "-bxor", "-ccontains", "-ceq", "-cge", "-cgt", "-cle", "-clike", "-clt",
"-cmatch", "-cne", "-cnotcontains", "-cnotlike", "-cnotmatch", "-contains", "-creplace", "-csplit", "-eq", "-f", "-ge",
"-gt", "-icontains", "-ieq", "-ige", "-igt", "-ile", "-ilike", "-ilt", "-imatch", "-ine", "-inotcontains", "-inotlike",
"-inotmatch", "-ireplace", "-is", "-isnot", "-isplit", "-join", "-le", "-like", "-lt", "-match", "-ne", "-not", "-notcontains", 
"-notlike", "-notmatch", "-or", "-replace", "-split", "-xor" -like "-$_pat"
}
break;
}

# Tab complete against history either #<pattern> or #<id>
'^#(\w*)' {
$_pattern = $matches[1]
if ($_pattern -match '^[0-9]+$')
{
Get-History -ea SilentlyContinue -Id $_pattern | Foreach { $_.CommandLine } 
}
else
{
$_pattern = '*' + $_pattern + '*'
Get-History | Sort-Object -Descending Id| Foreach { $_.CommandLine } | where { $_ -like $_pattern }
}
break;
}

# try to find a matching command...
default {

$lastex =  [regex]::Split($line, '[|;]')[-1]
if ( $lastex -match '^\s*(\$\w+(\[[0-9,]+\])*(\.\w+(\[[0-9,]+\])*)*)\s*=\s+(("\w+"\s*,\s+)*)"\w+"\s*-as\s+$' )
{
if ( $Matches[6] -ne $nul )
{
$brackets = "[]"
}
'['+ $global:_enum + $brackets + ']'
break;
}


if ( $lastex -match '^\s*(\$\w+(\[[0-9,]+\])*(\.\w+(\[[0-9,]+\])*)*)\s*=\s+(("\w+"\s*,\s+)*)\s*(\w*)$' )
{
$_pat = $Matches[7] + '*'

$_type = @(iex $Matches[1])[0].GetType()
if ( $_type.IsEnum )
{
$global:_enum = $_type.FullName
[Enum]::GetValues($_type) -like $_pat -replace '^(.*)$','"$1"'
break;
}
}


$lastex =  [regex]::Split($line, '[|;=]')[-1]
if ($lastex  -match '[[$].*\w+\(.*-as\s*$')
{
'['+ $global:_enum + ']'
}
elseif ( $lastex -match '([[$].*(\w+))\((.*)$' )
{
$_method = $Matches[1]

if ( $Matches[3] -match "(.*)((`"|')(\w+,)+(\w*))$" )
{
$continuous = $true
$_opt =  $Matches[5] + '*'
$_base =  $Matches[2].TrimStart('"') -replace '(.*,)\w+$','$1'
$position = $Matches[1].Split(",").Length
}
else
{
$continuous = $false
$_opt = ($Matches[3].Split(',')[-1] -replace '^\s*','') + "*"
$position = $Matches[3].Split(",").Length
}

if ( ($_mdefs = iex ($_method + ".OverloadDefinitions")) -eq $null )
{
$tname, $mname = $_method.Split(":", "RemoveEmptyEntries" -as [System.StringSplitOptions])
$_mdefs = iex ($tname + '.GetMember("' + $mname + '") | % { $_.ToString() }')
}

foreach ( $def in $_mdefs )
{
[void] ($def -match '\((.*)\)')
foreach ( $param in [regex]::Split($Matches[1], ', ')[$position-1] )
{
if ($param -eq $null -or $param -eq "")
{
continue;
}
$type = $param.split()[0]

if ( $type -like '*`[*' -or $type -eq "Params" -or $type -eq "" )
{
continue;
}
$fullname  = @($_typenames -like "*$type*")
foreach ( $name in $fullname )
{
if ( $continuous -eq $true -and ( $name  -as [System.Type] ).IsEnum )
{
$output = [Enum]::GetValues($name) -like $_opt -replace '^(.*)$',($_base + '$1')
$output | sort
}
elseif ( ( $name  -as [System.Type] ).IsEnum ) 
{
$global:_enum = $name
$output = [Enum]::GetValues($name) -like $_opt -replace '^(.*)$','"$1"'
$output | sort
}
}
}
}
if ( $output -ne $null )
{
break;
}
}

if ( $line -match '(function|filter)\s+(\w*)$')
{
$_pat = 'function:\' + $Matches[2] + '*'
Get-ChildItem $_pat| % { $_.Name }
break;
}

if ( $line[-1] -eq " " )
{
$_cmdlet = $line.TrimEnd(" ").Split(" |(;={")[-1]

# now get the info object for it...
$_cmdlet = @(Get-Command -type 'cmdlet,alias' $_cmdlet)[0]

# loop resolving aliases...
while ($_cmdlet.CommandType -eq 'alias')
{
$_cmdlet = @(Get-Command -type 'cmdlet,alias' $_cmdlet.Definition)[0]
}

if ( "Set-ExecutionPolicy" -eq $_cmdlet.Name )
{
"Unrestricted", "RemoteSigned", "AllSigned", "Restricted", "Default" | sort
break;
}

if ( "Trace-Command","Get-TraceSource","Set-TraceSource" -contains $_cmdlet.Name )
{
Get-TraceSource | % { $_.Name } | sort -Unique
break;
}

if ( "New-Object" -eq $_cmdlet.Name )
{
$_TypeAccelerators
break;
}

if ( $_cmdlet.Noun -like "*WMI*" )
{
$_WMIClasses
break;
}

if ( "Get-Process" -eq $_cmdlet.Name )
{
Get-Process | % { $_.Name } | sort
break;
}

if ( "Add-PSSnapin", "Get-PSSnapin", "Remove-PSSnapin" -contains $_cmdlet.Name )
{
if ( $global:_snapin -ne $null )
{
$global:_snapin
break;
}
else
{
$global:_snapin = $(Get-PSSnapIn -Registered;Get-PSSnapIn)| sort Name -Unique;
$global:_snapin
break;
}
}

if ( "Get-PSDrive", "New-PSDrive", "Remove-PSDrive" `
-contains $_cmdlet.Name -and "Name" )
{
Get-PSDrive | sort
break;
}

if ( "Get-Eventlog" -eq $_cmdlet.Name )
{
Get-EventLog -List | % { $_base + ($_.Log -replace '\s','` ') }
break;
}

if ( "Get-Help" -eq $_cmdlet.Name )
{
Get-Help -Category all | % { $_.Name } | sort -Unique
break;
}

if ( "Get-Service", "Restart-Service", "Resume-Service",
"Start-Service", "Stop-Service", "Suspend-Service" `
-contains $_cmdlet.Name )
{
Get-Service | sort Name  | % { $_base + ($_.Name -replace '\s','` ') }
break;
}

if ( "Get-Command" -eq $_cmdlet.Name )
{
Get-Command -CommandType All | % { $_base + ($_.Name -replace '\s','` ') }
break;
}

if ( "Format-List", "Format-Custom", "Format-Table", "Format-Wide", "Compare-Object",
"ConvertTo-Html", "Measure-Object", "Select-Object", "Group-Object", "Sort-Object" `
-contains $_cmdlet.Name )
{
Get-PipeLineObject
$_dummy | gm -MemberType Properties,ParameterizedProperty | sort membertype | % { $_base + ($_.Name -replace '\s','` ') }
break;
}

if ( "Clear-Variable", "Get-Variable", "New-Variable", "Remove-Variable", "Set-Variable" -contains $_cmdlet.Name )
{
Get-Variable -Scope Global | % { $_.Name } | sort | % { $_base + ($_ -replace '\s','` ') }
break;
}

if ( "Get-Alias", "New-Alias", "Set-Alias" -contains $_cmdlet.Name )
{
Get-Alias | % { $_.Name } | sort | % { $_base + ($_ -replace '\s','` ') }
break;
}
}


if ( $line[-1] -eq " " )
{
$_cmdlet = [regex]::Split($line, '[|;=]')[-1]

if ($_cmdlet -match '\{([^\{\}]*)$')
{
$_cmdlet = $matches[1]
}

if ($_cmdlet -match '\(([^()]*)$')
{
$_cmdlet = $matches[1]
}

$_cmdlet = $_cmdlet.Trim().Split()[0]

$_cmdlet = @(Get-Command -type 'Application' $_cmdlet)[0]

if ( $_cmdlet.Name -eq "powershell.exe" )
{
"-PSConsoleFile", "-Version", "-NoLogo", "-NoExit", "-Sta", "-NoProfile", "-NonInteractive",
"-InputFormat", "-OutputFormat", "-EncodedCommand", "-File", "-Command" | sort
break;
}
if ( $_cmdlet.Name -eq "fsutil.exe" )
{
"behavior query", "behavior set", "dirty query", "dirty set", 
"file findbysid", "file queryallocranges", "file setshortname", "file setvaliddata", "file setzerodata", "file createnew", 
"fsinfo drives", "fsinfo drivetype", "fsinfo volumeinfo", "fsinfo ntfsinfo", "fsinfo statistics", 
"hardlink create", "objectid query", "objectid set", "objectid delete", "objectid create",
"quota disable", "quota track", "quota enforce", "quota violations", "quota modify", "quota query",
"reparsepoint query", "reparsepoint delete", "sparse setflag", "sparse queryflag", "sparse queryrange", "sparse setrange",
"usn createjournal", "usn deletejournal", "usn enumdata", "usn queryjournal", "usn readdata", "volume dismount", "volume diskfree" | sort
break;
}
if ( $_cmdlet.Name -eq "net.exe" )
{
"ACCOUNTS ", " COMPUTER ", " CONFIG ", " CONTINUE ", " FILE ", " GROUP ", " HELP ", 
"HELPMSG ", " LOCALGROUP ", " NAME ", " PAUSE ", " PRINT ", " SEND ", " SESSION ", 
"SHARE ", " START ", " STATISTICS ", " STOP ", " TIME ", " USE ", " USER ", " VIEW" | sort
break;
}
if ( $_cmdlet.Name -eq "ipconfig.exe" )
{
"/?", "/all", "/renew", "/release", "/flushdns", "/displaydns",
"/registerdns", "/showclassid", "/setclassid"
break;
}
}

if ( $line -match '\w+\s+(\w+(\.|[^\s\.])*)$' )
{
$_cmdlet = $line.TrimEnd(" ").Split(" |(;={")[-2]

$_opt = $Matches[1].Split(" ,")[-1] + '*'
$_base = $Matches[1].Substring(0,$Matches[1].Length-$Matches[1].Split(" ,")[-1].length)

$_cmdlet = @(Get-Command -type 'cmdlet,alias' $_cmdlet)[0]

while ($_cmdlet.CommandType -eq 'alias')
{
$_cmdlet = @(Get-Command -type 'cmdlet,alias' $_cmdlet.Definition)[0]
}

if ( "Set-ExecutionPolicy" -eq $_cmdlet.Name )
{
"Unrestricted", "RemoteSigned", "AllSigned", "Restricted", "Default" -like $_opt | sort
break;
}

if ( "Trace-Command","Get-TraceSource","Set-TraceSource" -contains $_cmdlet.Name )
{
Get-TraceSource -Name $_opt | % { $_.Name } | sort -Unique | % { $_base + ($_ -replace '\s','` ') }
break;
}

if ( "New-Object" -eq $_cmdlet.Name )
{
$_TypeAccelerators -like $_opt
Write-ClassNames $_TypeNames_System ($_opt.Split(".").Count-1)
Write-ClassNames $_TypeNames ($_opt.Split(".").Count-1)
break;
}

if ( $_cmdlet.Name -like "*WMI*" )
{
Write-ClassNames $_WMIClasses ($_opt.Split("_").Count-1) -sep '_'
break;
}

if ( "Get-Process" -eq $_cmdlet.Name )
{
Get-Process $_opt | % { $_.Name } | sort | % { $_base + ($_ -replace '\s','` ') }
break;
}

if ( "Add-PSSnapin", "Get-PSSnapin", "Remove-PSSnapin" -contains $_cmdlet.Name )
{
if ( $global:_snapin -ne $null )
{
$global:_snapin -like $_opt | % { $_base + ($_ -replace '\s','` ') }
break;
}
else
{
$global:_snapin = $(Get-PSSnapIn -Registered;Get-PSSnapIn)| sort Name -Unique;
$global:_snapin -like $_opt | % { $_base + ($_ -replace '\s','` ') }
break;
}
}

if ( "Get-PSDrive", "New-PSDrive", "Remove-PSDrive" `
-contains $_cmdlet.Name -and "Name" )
{
Get-PSDrive -Name $_opt | sort | % { $_base + ($_ -replace '\s','` ') }
break;
}

if ( "Get-PSProvider" -eq $_cmdlet.Name )
{
Get-PSProvider -PSProvider $_opt | % { $_.Name } | sort | % { $_base + ($_ -replace '\s','` ') }
break;
}


if ( "Get-Eventlog" -eq $_cmdlet.Name )
{
Get-EventLog -List | ? { $_.Log -like $_opt } | % { $_base + ($_.Log -replace '\s','` ') }
break;
}

if ( "Get-Help" -eq $_cmdlet.Name )
{
Get-Help -Category all -Name $_opt | % { $_.Name } | sort -Unique
break;
}

if ( "Get-Service", "Restart-Service", "Resume-Service",
"Start-Service", "Stop-Service", "Suspend-Service" `
-contains $_cmdlet.Name )
{
Get-Service -Name $_opt | sort Name  | % { $_base + ($_.Name -replace '\s','` ') }
break;
}

if ( "Get-Command" -eq $_cmdlet.Name )
{
Get-Command -CommandType All -Name $_opt | % { $_base + ($_.Name -replace '\s','` ') }
break;
}

if ( "Format-List", "Format-Custom", "Format-Table", "Format-Wide", "Compare-Object",
"ConvertTo-Html", "Measure-Object", "Select-Object", "Group-Object", "Sort-Object" `
-contains $_cmdlet.Name )
{

Get-PipeLineObject
$_dummy | Get-Member -Name $_opt -MemberType Properties,ParameterizedProperty | sort membertype | % { $_base + ($_.Name -replace '\s','` ') }
break;
}

if ( "Clear-Variable", "Get-Variable", "New-Variable", "Remove-Variable", "Set-Variable" -contains $_cmdlet.Name )
{
Get-Variable -Scope Global -Name $_opt | % { $_.Name } | sort | % { $_base + ($_ -replace '\s','` ') }
break;
}

if ( "Get-Alias", "New-Alias", "Set-Alias" -contains $_cmdlet.Name )
{
Get-Alias -Name $_opt | % { $_.Name } | sort | % { $_base + ($_ -replace '\s','` ') }
break;
}
}

if ( $line -match '(-(\w+))\s+([^-]*$)' )
{

$_param = $matches[2] + '*'
$_opt = $Matches[3].Split(" ,")[-1] + '*'
$_base = $Matches[3].Substring(0,$Matches[3].Length-$Matches[3].Split(" ,")[-1].length)

$_cmdlet = [regex]::Split($line, '[|;=]')[-1]

if ($_cmdlet -match '\{([^\{\}]*)$')
{
$_cmdlet = $matches[1]
}

if ($_cmdlet -match '\(([^()]*)$')
{
$_cmdlet = $matches[1]
}

$_cmdlet = $_cmdlet.Trim().Split()[0]

$_cmdlet = @(Get-Command -type 'Cmdlet,Alias,Function,Filter,ExternalScript' $_cmdlet)[0]

while ($_cmdlet.CommandType -eq 'alias')
{
$_cmdlet = @(Get-Command -type 'Cmdlet,Alias,Function,Filter,ExternalScript' $_cmdlet.Definition)[0]
}

if ( $_param.TrimEnd("*") -eq "ea" -or $_param.TrimEnd("*") -eq "wa" )
{
"SilentlyContinue", "Stop", "Continue", "Inquire" |
? { $_ -like $_opt } | sort -Unique
break;
}

if ( "Format-List", "Format-Custom", "Format-Table", "Format-Wide" -contains $_cmdlet.Name `
-and "groupBy" -like $_param )
{
Get-PipeLineObject
$_dummy | Get-Member -Name $_opt -MemberType Properties,ParameterizedProperty | sort membertype | % { $_.Name }
break;
}

if ( $_param.TrimEnd("*") -eq "ev" -or $_param.TrimEnd("*") -eq "ov" -or
"ErrorVariable" -like $_param -or "OutVariable" -like $_param)
{
Get-Variable -Scope Global -Name $_opt | % { $_.Name } | sort
break;
}

if ( "Tee-Object" -eq $_cmdlet.Name -and "Variable" -like $_param )
{
Get-Variable -Scope Global -Name $_opt | % { $_.Name } | sort
break;
}

if ( "Clear-Variable", "Get-Variable", "New-Variable", "Remove-Variable", "Set-Variable" -contains $_cmdlet.Name `
-and "Name" -like $_param)
{
Get-Variable -Scope Global -Name $_opt | % { $_.Name } | sort | % { $_base + ($_ -replace '\s','` ') }
break;
}

if ( "Export-Alias", "Get-Alias", "New-Alias", "Set-Alias" -contains $_cmdlet.Name `
-and "Name" -like $_param)
{
Get-Alias -Name $_opt | % { $_.Name } | sort | % { $_base + ($_ -replace '\s','` ') }
break;
}

if ( "Out-File","Export-CSV","Select-String","Export-Clixml" -contains $_cmdlet.Name `
-and "Encoding" -like $_param)
{
"Unicode",  "UTF7", "UTF8", "ASCII", "UTF32", "BigEndianUnicode", "Default", "OEM" |
? { $_ -like $_opt } | sort -Unique
break;
}

if ( "Trace-Command","Get-TraceSource","Set-TraceSource" -contains $_cmdlet.Name `
-and "Name" -like $_param)
{
Get-TraceSource -Name $_opt | % { $_.Name } | sort -Unique | % { $_base + ($_ -replace '\s','` ') }
break;
}

if ( "New-Object" -like $_cmdlet.Name )
{
if ( "ComObject" -like $_param )
{
$_ProgID -like $_opt | % { $_ -replace '\s','` ' }
break;
}

if ( "TypeName" -like $_param )
{
if ( $_opt -eq "*" )
{
$_TypeAccelerators -like $_opt
}
else
{
$_TypeAccelerators -like $_opt
Write-ClassNames $_TypeNames_System ($_opt.Split(".").Count-1)
Write-ClassNames $_TypeNames ($_opt.Split(".").Count-1)
}
break;
}
}

if ( "New-Item" -eq $_cmdlet.Name )
{
if ( "ItemType" -like $_param )
{
"directory", "file" -like $_opt
break;
}
}

if ( "Get-Location", "Get-PSDrive", "Get-PSProvider", "New-PSDrive", "Remove-PSDrive" `
-contains $_cmdlet.Name `
-and "PSProvider" -like $_param )
{
Get-PSProvider -PSProvider $_opt | % { $_.Name } | sort  | % { $_base + ($_ -replace '\s','` ') }
break;
}

if ( "Get-Location" -eq $_cmdlet.Name -and "PSDrive" -like $_param )
{
Get-PSDrive -Name $_opt | sort | % { $_base + ($_ -replace '\s','` ') }
break;
}

if ( "Get-PSDrive", "New-PSDrive", "Remove-PSDrive" `
-contains $_cmdlet.Name -and "Name" -like $_param )
{
Get-PSDrive -Name $_opt | sort | % { $_base + ($_ -replace '\s','` ') }
break;
}

if ( "Get-Command" -eq $_cmdlet.Name -and  "PSSnapin" -like $_param)
{
if ( $global:_snapin -ne $null )
{
$global:_snapin -like $_opt  | % { $_base + $_ }
break;
}
else
{
$global:_snapin = $(Get-PSSnapIn -Registered;Get-PSSnapIn)| sort Name -Unique;
$global:_snapin -like $_opt  | % { $_base + ($_ -replace '\s','` ') }
break;
}
}

if ( "Add-PSSnapin", "Get-PSSnapin", "Remove-PSSnapin" `
-contains $_cmdlet.Name -and "Name" -like $_param )
{
if ( $global:_snapin -ne $null )
{
$global:_snapin -like $_opt | % { $_base + ($_ -replace '\s','` ') }
break;
}
else
{
$global:_snapin = $(Get-PSSnapIn -Registered;Get-PSSnapIn)| sort Name -Unique;
$global:_snapin -like $_opt | % { $_base + $_ }
break;
}
}

if ( "Clear-Variable", "Export-Alias", "Get-Alias", "Get-PSDrive", "Get-Variable", "Import-Alias",
"New-Alias", "New-PSDrive", "New-Variable", "Remove-Variable", "Set-Alias", "Set-Variable" `
-contains $_cmdlet.Name -and "Scope" -like $_param )
{
"Global", "Local", "Script" -like $_opt
break;
}

if ( "Get-Process", "Stop-Process", "Wait-Process" -contains $_cmdlet.Name -and "Name" -like $_param )
{
Get-Process $_opt | % { $_.Name } | sort | % { $_base + ($_ -replace '\s','` ') }
break;
}

if ( "Get-Eventlog" -eq $_cmdlet.Name -and "LogName" -like $_param )
{
Get-EventLog -List | ? { $_.Log -like $_opt } | % { $_base + ($_.Log -replace '\s','` ') }
break;
}

if ( "Get-Help" -eq $_cmdlet.Name )
{
if ( "Name" -like $_param )
{
Get-Help -Category all -Name $_opt | % { $_.Name } | sort -Unique
break;
}
if ( "Category" -like $_param )
{
"Alias", "Cmdlet", "Provider", "General", "FAQ",
"Glossary", "HelpFile", "All" -like $_opt | sort | % { $_base + $_ }
break;
}
}

if ( "Get-Service", "Restart-Service", "Resume-Service",
"Start-Service", "Stop-Service", "Suspend-Service" `
-contains $_cmdlet.Name )
{
if ( "Name" -like $_param )
{
Get-Service -Name $_opt | sort Name  | % { $_base + ($_.Name -replace '\s','` ') }
break;
}
if ( "DisplayName" -like $_param )
{
Get-Service -Name $_opt | sort DisplayName | % { $_base + ($_.DisplayName -replace '\s','` ') }
break;
}
}

if ( "New-Service" -eq $_cmdlet.Name -and "dependsOn" -like $_param )
{
Get-Service -Name $_opt | sort Name | % { $_base + ($_.Name -replace '\s','` ') }
break;
}

if ( "Get-EventLog" -eq $_cmdlet.Name -and "EntryType" -like $_param )
{
"Error", "Information", "FailureAudit", "SuccessAudit", "Warning" -like $_opt | sort | % { $_base + $_ }
break;
}

if ( "Get-Command" -eq $_cmdlet.Name -and "Name" -like $_param )
{
Get-Command -CommandType All -Name $_opt | % { $_base + ($_.Name -replace '\s','` ') }
break;
}

if ( $_cmdlet.Noun -like "*WMI*" )
{
if ( "Class" -like $_param )
{
Write-ClassNames $_WMIClasses ($_opt.Split("_").Count-1) -sep '_'
break;
}
}

if ( "Format-List", "Format-Custom", "Format-Table", "Format-Wide", "Compare-Object",
"ConvertTo-Html", "Measure-Object", "Select-Object", "Group-Object", "Sort-Object" `
-contains $_cmdlet.Name -and "Property" -like $_param )
{
Get-PipeLineObject
$_dummy | Get-Member -Name $_opt -MemberType Properties,ParameterizedProperty | sort membertype | % { $_base + ($_.Name -replace '\s','` ') }
break;
}

if ( "Select-Object" -eq $_cmdlet.Name )
{
if ( "ExcludeProperty" -like $_param )
{
Get-PipeLineObject
$_dummy | Get-Member -Name $_opt -MemberType Properties,ParameterizedProperty | sort membertype | % { $_base + ($_.Name -replace '\s','` ') }
break;
}

if ( "ExpandProperty" -like $_param )
{
Get-PipeLineObject
$_dummy | Get-Member -Name $_opt -MemberType Properties,ParameterizedProperty | sort membertype | % { $_.Name }
break;
}
}

select -InputObject $_cmdlet -ExpandProperty ParameterSets | select -ExpandProperty Parameters |
? { $_.Name -like $_param } | ? { $_.ParameterType.IsEnum } |
% { [Enum]::GetNames($_.ParameterType) } | ? { $_ -like $_opt } | sort -Unique | % { $_base + $_ }

}




# parse the script...
$_tokens = [System.Management.Automation.PSParser]::Tokenize($line, [ref] $null)

if ($_tokens)
{
$_lastToken = $_tokens[$_tokens.count - 1]
if ($_lastToken.Type -eq 'Command')
{
$_cmd = $_lastToken.Content

# don't look for paths...
if ($_cmd.IndexOfAny('/\') -eq -1)
{
# handle parsing errors - the last token string should be the last
# string in the line...
if ($lastword.substring($lastword.length-$_cmd.length) -eq $_cmd)
{
$_pat = $_cmd + '*'
$_base = $lastword.substring(0, $lastword.length-$_cmd.length)
"begin {", "break", "catch {", "continue", "data {", "do {", "dynamicparam (", "else {", "elseif (",
"end {", "exit", "filter ", "finally {", "for (", "foreach ", "from", "function ", "if (", "in ",
"param (", "process {", "return", "switch ", "throw ", "trap ", "try {", "until (", "while (" `
-like $_pat | %  {'{0}{1}' -f $_base,$_ }
$ExecutionContext.InvokeCommand.GetCommandName($_pat,$true, $false) |
Sort-Object -Unique | ForEach-Object {'{0}{1}' -f $_base,$_ }
}
}
}
}
}
}
}
}