Functions/Replace-RegExDynamicContent.ps1
|
function Replace-RegExDynamicContent { [Cmdletbinding()] param( [Parameter(Mandatory=$true)][hashtable]$Replacements, [Parameter(Mandatory=$true, ParameterSetName='Text',ValueFromPipeline=$true)] #The text of the template to do the expansion [string]$Text, [Parameter(Mandatory=$true, ParameterSetName='Path')] #Path to template to do the expansion [string]$Path, #Destination path to write expansion result. If not specified, write to output stream. [string]$Destination, [ref]$TotalExpansions ) $encoding = 'UTF8' if ($Path) { if (!(Test-Path -LiteralPath $path )) { throw "Template-Expand: path `'$path`' can't be found" } $Text = Get-Content -LiteralPath $path -Raw $encoding = Get-FileEncoding -Path $path } $origText = $Text foreach($Replacement in $Replacements.GetEnumerator()) { $expansions = 0 $Text = Expand-Template -Text $Text -BeginTag '' -EndTag '' -ContentMatchRegEx $Replacement.Name -ReplacementExpression $Replacement.Value -TotalExpansions ([ref]$expansions) if($totalExpansions) { $totalExpansions.Value += $expansions } } if(-not $destination) { Write-Output $Text } elseif($Text -ne $origText -or $Destination -notlike $Path) { $text | Out-File -LiteralPath $destination -Encoding $encoding -Force -NoNewline } if($Destination -and -not (Test-Path $Destination)) { throw "Expected file $Destination to exist, but it does not" } } |