public/Import/Import-ISEThemeFile.ps1
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function Import-ISEThemeFile { <# .SYNOPSIS Imports an ISE theme XML file into the registry. .DESCRIPTION The Import-ISEThemeFile function reads a `.ps1xml` theme file and registers it in the PowerShell ISE theme registry key. The function can also optionally apply the imported theme to the current session after import. .PARAMETER FilePath The path to a `.ps1xml` file or a FileInfo object representing an ISE theme to import. Accepts pipeline input. .PARAMETER ApplyTheme If specified, applies the imported theme to the current PowerShell ISE session. .EXAMPLE Import-ISEThemeFile "C:\ISEThemes\MyTheme.ps1xml" -ApplyTheme Imports the specified ISE theme file into the registry and applies it to the current session. .EXAMPLE Get-ChildItem *.ps1xml | Import-ISEThemeFile Pipes a list of theme files into the function. .NOTES Author: Jeff Pollock GitHub: https://github.com/phriendx/ISEColorTheme.cmdlets Website: https://pxlabs.info #> [CmdletBinding()] param ( [Parameter(Mandatory = $true, ValueFromPipeline = $true, ValueFromPipelineByPropertyName = $true)] [object]$FilePath, [Parameter()] [switch]$ApplyTheme ) process { # Normalize FileName if passed as FileInfo object if ($FilePath -is [System.IO.FileInfo]) { $FilePath = $FilePath.FullName } if (-not (Test-Path $FilePath)) { Write-Warning "File not found: $FilePath" return } try { $Rawxml = Get-Content -Path $FilePath -Raw [xml]$ThemeData = $RawXml $ThemeName = $ThemeData.StorableColorTheme.Name # Write theme to registry $RegPath = "HKEY_CURRENT_USER\Software\Microsoft\PowerShell\3\Hosts\PowerShellISE\ColorThemes" if (Get-ItemProperty -Path registry::$RegPath -Name $ThemeName) { Set-ItemProperty -Path registry::$RegPath -Name $ThemeName -Value $Rawxml } else { New-ItemProperty -Path registry::$RegPath -Name $ThemeName -Value $Rawxml -Type String -Force } if ($ApplyTheme) { Set-ISETheme -ThemeName $ThemeName } } catch { Write-Error "Failed to import theme file '$FilePath': $_" } } } |