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sthModuleScope.ps1
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sthModuleScope.ps1
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using namespace System.Management.Automation
# .externalhelp sthModuleScope.help.ps1xml
function Enter-sthModuleScope
{
Param(
[Parameter(Mandatory,ValueFromPipeline)]
$Module
)
if ($Module = Get-Module -Name $Module -ListAvailable)
{
$Script:ModuleName = $Module.Name
$currentPrompt = Get-Content -Path function:/prompt
Set-Content -Path function:/prompt -Value {"[$($Module.Name)] PS $($executionContext.SessionState.Path.CurrentLocation)$('>' * ($nestedPromptLevel + 1)) "}
. $(Import-Module -Name $Module -PassThru) {$Host.EnterNestedPrompt()}
Set-Content -Path function:/prompt -Value $currentPrompt
Remove-Variable -Name ModuleName -Scope Script
}
}
# .externalhelp sthModuleScope.help.ps1xml
function Get-sthModuleScopeFunction
{
[CmdletBinding(DefaultParameterSetName='default')]
Param(
[Parameter(ParameterSetName='PublicOnly')]
[switch]$PublicOnly,
[Parameter(ParameterSetName='PrivateOnly')]
[switch]$PrivateOnly,
[Parameter(Position=0,ValueFromPipeline)]
$Module
)
if ($PSBoundParameters.Module)
{
$Module = Get-Module -Name $Module -ListAvailable
$Local:ModuleName = $Module.Name
}
if ($Script:ModuleName -or $Local:ModuleName)
{
$ScriptBlock = {
Get-ChildItem -Path function: |
Where-Object -FilterScript {$_.Source -eq $ExecutionContext.SessionState.Module.Name}
}
inSetSessionState -ScriptBlock $ScriptBlock
$result = . $ScriptBlock
if ($result)
{
if ($PSCmdlet.ParameterSetName -eq 'default')
{
$result
}
else
{
$VisibleCommands = @(Get-Command -Module $ModuleName | ForEach-Object -MemberName Name)
foreach ($res in $result)
{
if ($PublicOnly -and $res -in $VisibleCommands)
{
$res
}
elseif ($PrivateOnly -and $res -notin $VisibleCommands)
{
$res
}
}
}
}
}
}
# .externalhelp sthModuleScope.help.ps1xml
function Get-sthModuleScopeVariable
{
[CmdletBinding(DefaultParameterSetName='default')]
Param(
[Parameter(ParameterSetName='PublicOnly')]
[switch]$PublicOnly,
[Parameter(ParameterSetName='PrivateOnly')]
[switch]$PrivateOnly,
[Parameter(Position=0,ValueFromPipeline)]
$Module
)
if ($PSBoundParameters.Module)
{
$Module = Get-Module -Name $Module -ListAvailable
$Local:ModuleName = $Module.Name
}
if ($Script:ModuleName -or $Local:ModuleName)
{
$ScriptBlock = {
Get-Variable -Scope Script | Where-Object -FilterScript {$_.GetType().Name -eq 'PSVariable' -and $_.Name -notin @('true','false','error','PSCommandPath','PSScriptRoot','PSDefaultParameterValues','CurrentlyExecutingCommand')}
}
inSetSessionState -ScriptBlock $ScriptBlock
$result = . $ScriptBlock
}
if ($result)
{
if ($PSCmdlet.ParameterSetName -eq 'default')
{
$result
}
else
{
foreach ($res in $result)
{
if ($PublicOnly -and $res.ModuleName)
{
$res
}
elseif ($PrivateOnly -and -not $res.ModuleName)
{
$res
}
}
}
}
}
function inSetSessionState
{
Param(
[ScriptBlock]$ScriptBlock,
[SessionState]$SessionState = $null
)
if (!$SessionState)
{
$SessionState = & $(Import-Module -Name $ModuleName -PassThru) {$ExecutionContext.SessionState}
}
$flags = [System.Reflection.BindingFlags]'Instance,NonPublic'
$SessionStateInternal = $SessionState.GetType().GetProperty('Internal', $flags).GetValue($SessionState, $null)
[scriptblock].GetProperty('SessionStateInternal', $flags).SetValue($ScriptBlock, $SessionStateInternal, $null)
}
# .externalhelp sthModuleScope.help.ps1xml
function Get-sthScopeDepth
{
[CmdletBinding()]
Param()
$inc = 2
$ScriptBlock = {
Param($inc)
$Depth = 0
while ($true)
{
try
{
# Scope 0 - is ScriptBlock Scope
# Scope 1 - it can be a global or some another scope, but in any case it will exist, so checking its existence is not nessessary.
Get-Variable -Name true -Scope ($Depth + $inc) | Out-Null
}
catch
{
return $Depth
}
$Depth++
}
}
$SessionState = $PSCmdlet.SessionState
# if we will use Get-sthScopeDepth in this - sthModuleScope - module, one more scope - function Get-sthScopeDepth - will be added.
# in other modules there will be no this function's scope
if ($SessionState.Module.Name -eq 'sthModuleScope')
{
$inc++
}
inSetSessionState -ScriptBlock $ScriptBlock -SessionState $SessionState
& $ScriptBlock $inc
}