internal/functions/Read-ConfigVariables.ps1
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function Read-ConfigDefinitions { <# .SYNOPSIS Read definitions from a config file .DESCRIPTION Read in either input definitions, variable definitions, or variable scriptblock declerations from a youtube-dl configuration file. .EXAMPLE PS C:\> Read-ConfigDefinitions -Path "~/conf.txt" -InputDefinitions Reads in and generates a list of all input definition names. .INPUTS None .OUTPUTS System.Collections.Generic.List[System.String] .NOTES #> [CmdletBinding()] param ( [Parameter(Mandatory = $true)] [String] $Path, [Parameter()] [switch] $InputDefinitions, [Parameter()] [switch] $VariableDefinitions, [Parameter()] [switch] $VariableScriptblocks ) # Read in the config file as a single string $configFilestream = Get-Content -Path $Path -Raw $definitionList = [System.Collections.Generic.List[System.String]]@() if ($InputDefinitions -eq $true) { # Find all matches to: # 1. --some-parameter i@{name} : normal parameter definition # 1. -s i@{name} : shorthand parameter definition # 2. 'i@{name}' : special case for url, since it doesn't have a flag # Also matches even if multiple parameter definitions are on the same line $regex1 = [regex]::Matches($configFilestream, "(-(\S+)\s'?i@{(\w+)}'?)\s*") $regex2 = [regex]::Matches($configFilestream, "('i@{(\w+)}')") # Add the descriptor fields to the list foreach ($match in $regex1) { # .Group[1] is the whole match # .Group[2] is the 'some-parameter' or 's' match # .Group[3] is the 'name' match $definitionList.Add($match.Groups[3].Value) } foreach ($match in $regex2) { # .Group[1] is the whole match # .Group[2] is the 'name' match $definitionList.Add($match.Groups[2].Value) } }else { # Find all matches to: # 1. --some-parameter v@{name}{start{scriptblock}end} : normal parameter definition # 1. -s v@{name}{start{scritpblock}end} : shorthand parameter definition # Also matches even if multiple parameter definitions are on the same line $regex = [regex]::Matches($configFilestream, "(-(\S+)\s'?v@{(\w+)}{start{(?s)(.*?)}end}'?)\s+") # Add the descriptor fields to the list foreach ($match in $regex) { # .Group[1] is the whole match # .Group[2] is the 'some-parameter' or 's' match # .Group[3] is the 'name' match # .Group[4] is the 'scriptblock' match if ($VariableDefinitions -eq $true) { $definitionList.Add($match.Groups[3].Value) }elseif ($VariableScriptblocks -eq $true) { $definitionList.Add($match.Groups[4].Value) } } } # Return the list as a List object, rather than as an array (by default) Write-Output $definitionList -NoEnumerate } |