Write-PowerShellHashtable.ps1
|
function Write-PowerShellHashtable { <# .Synopsis Takes an creates a script to recreate a hashtable .Description Allows you to take a hashtable and create a hashtable you would embed into a script. Handles nested hashtables and indents nested hashtables automatically. .Parameter inputObject The hashtable to turn into a script .Parameter scriptBlock Determines if a string or a scriptblock is returned .Example # Corrects the presentation of a PowerShell hashtable @{Foo='Bar';Baz='Bing';Boo=@{Bam='Blang'}} | Write-PowerShellHashtable .Outputs [string] .Outputs [ScriptBlock] .Link about_hash_tables #> [OutputType([string], [ScriptBlock])] param( [Parameter(Position=0,ValueFromPipeline=$true,ValueFromPipelineByPropertyName=$true)] [PSObject] $InputObject, # Returns the content as a script block, rather than a string [Alias('ScriptBlock')] [switch]$AsScriptBlock, # If set, items in the hashtable will be sorted alphabetically [Switch]$Sort ) process { $callstack = @(foreach ($_ in (Get-PSCallStack)) { if ($_.Command -eq "Write-PowerShellHashtable") { $_ } }) $depth = $callStack.Count if ($inputObject -isnot [Hashtable]) { $newInputObject = @{ PSTypeName=@($inputobject.pstypenames)[-1] } foreach ($prop in $inputObject.psobject.properties) { $newInputObject[$prop.Name] = $prop.Value } $inputObject = $newInputObject } if ($inputObject -is [Hashtable]) { #region Indent $scriptString = "" $indent = $depth * 4 $scriptString+= "@{ " #endregion Indent #region Include $items = $inputObject.GetEnumerator() if ($Sort) { $items = $items | Sort-Object Key } foreach ($kv in $items) { $scriptString+=" " * $indent $keyString = "$($kv.Key)" if ($keyString.IndexOfAny(" _.#-+:;()'!?^@#$%&".ToCharArray()) -ne -1) { if ($keyString.IndexOf("'") -ne -1) { $scriptString+="'$($keyString.Replace("'","''"))'=" } else { $scriptString+="'$keyString'=" } } elseif ($keyString) { $scriptString+="$keyString=" } $value = $kv.Value # Write-Verbose "$value" if ($value -is [string]) { $value = "'" + $value.Replace("'","''").Replace("’", "’’").Replace("‘", "‘‘") + "'" } elseif ($value -is [ScriptBlock]) { $value = "{$value}" } elseif ($value -is [switch]) { $value = if ($value) { '$true'} else { '$false' } } elseif ($value -is [DateTime]) { $value = if ($value) { "[DateTime]'$($value.ToString("o"))'" } } elseif ($value -is [bool]) { $value = if ($value) { '$true'} else { '$false' } } elseif ($value -and $value.GetType -and ($value.GetType().IsArray -or $value -is [Collections.IList])) { $value = foreach ($v in $value) { if ($v -is [Hashtable]) { Write-PowerShellHashtable $v } elseif ($v -is [Object] -and $v -isnot [string]) { Write-PowerShellHashtable $v } else { ("'" + "$v".Replace("'","''").Replace("’", "’’").Replace("‘", "‘‘") + "'") } } $oldOfs = $ofs $ofs = ", $(' ' * ($indent + 4))" $value = "$value" $ofs = $oldOfs } elseif ($value -as [Hashtable[]]) { $value = foreach ($v in $value) { Write-PowerShellHashtable $v } $value = $value -join "," } elseif ($value -is [Hashtable]) { $value = "$(Write-PowerShellHashtable $value)" } elseif ($value -as [Double]) { $value = "$value" } else { $valueString = "'$value'" if ($valueString[0] -eq "'" -and $valueString[1] -eq "@" -and $valueString[2] -eq "{") { $value = Write-PowerShellHashtable -InputObject $value } else { $value = $valueString } } $scriptString+="$value " } $scriptString += " " * ($depth - 1) * 4 $scriptString += "}" if ($AsScriptBlock) { [ScriptBlock]::Create($scriptString) } else { $scriptString } #endregion Include } } } |