Parts/ToYaml.ps1
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param( [Parameter(ValueFromPipeline,Position=0)]$Object, [Object]$Parent, [Object]$GrandParent, [int]$Indent = 0) begin { $n = 0; $mySelf = $myInvocation.MyCommand.ScriptBlock } process { $n++ if ($Object -eq $null) { return } if ($Parent -and $Parent -is [Collections.IList]) { if ($Parent.IndexOf($Object) -gt 0) { ' ' * $Indent } '- ' } #region Primitives if ( $Object -is [string] ) { # If it's a string if ($object -match '\n') { # see if it's a multline string. "|" # If it is, emit the multiline indicator $indent+=2 foreach ($l in $object -split '(?>\r\n|\n)') { # and emit each line indented [Environment]::NewLine ' ' * $indent $l } $indent-=2 } elseif ("$object".Contains('*')) { "'$($Object -replace "'","''")'" } else { $object } if ($Parent -is [Collections.IList]) { # If the parent object was a list [Environment]::NewLine # emit a newline. } return # Once the string has been emitted, return. } if ( [int], [float], [bool] -contains $Object.GetType() ) { # If it is an [int] or [float] or [bool] "$Object".ToLower() # Emit it in lowercase. if ($Parent -is [Collections.IList]) { [Environment]::NewLine } return } #endregion Primitives #region KVP if ( $Object -is [Collections.DictionaryEntry] -or $object -is [Management.Automation.PSPropertyInfo]) { if ($Parent -isnot [Collections.IList] -and ($GrandParent -isnot [Collections.IList] -or $n -gt 1)) { [Environment]::NewLine + (" " * $Indent) } if ($object.Key) { $Object.Key +": " } else { $Object.Name +": " } } if ( $Object -is [Collections.DictionaryEntry] -or $Object -is [Management.Automation.PSPropertyInfo]) { & $mySelf -Object $Object.Value -Parent $Object -GrandParent $parent -Indent $Indent return } #endregion KVP #region Nested if ($Object -is [Collections.IDictionary] -or $Object -is [PSObject]) { $Indent += 2 } elseif ($object -is [Collections.IList]) { $allPrimitive = 1 foreach ($Obj in $Object) { $allPrimitive = $allPrimitive -band ( $Obj -is [string] -or $obj -is [int] -or $obj -is [float] -or $obj -is [bool] ) } if (-not $allPrimitive) { $Indent += 2 } } if ( $Object -is [Collections.IDictionary] ) { $Object.GetEnumerator() | & $mySelf -Parent $Object -GrandParent $Parent -Indent $Indent } elseif ($Object -is [Collections.IList]) { [Environment]::NewLine + (' ' * $Indent) $Object | & $mySelf -Parent $Object -GrandParent $Parent -Indent $Indent } elseif ($Object.PSObject.Properties) { $Object.psobject.properties | & $mySelf -Parent $Object -GrandParent $Parent -Indent $Indent } if ($Object -is [Collections.IDictionary] -or $Object -is [PSCustomObject] -or $Object -is [Collections.IList]) { if ($Parent -is [Collections.IList]) { [Environment]::NewLine } $Indent -= 2; } #endregion Nested } |