fix-xsc.ps1

param ([Parameter(Mandatory)][string]$Path)

function Read-Xsc {
    param ([Parameter(Mandatory)][string]$Path)

    $data = [ordered]@{}

    $version = $null
    $transcribe = $null

    $section = $null

    if (-not (Test-Path -Path $Path -PathType Leaf)) {
        throw 'File not found'
    }

    switch -regex -file $Path {
        # Document Version
        '^XSC Transcribe.Document Version (\d+\.\d+)' {
            $version = $matches[1]
            continue
        }

        # System Info (transcribe platform,v_major,v_minor,?,?,?
        '^Transcribe!,(.+)$' {
            $transcribe = $matches[1]
            continue
        }

        # SectionStart
        '^SectionStart,(.+)$' {
            if ($section) { throw "Unclosed section: $section" }
            $section = $matches[1]
            $data[$section] = [ordered]@{}
            continue
        }

        # SectionEnd
        '^SectionEnd,(.+)$' {
            if ($matches[1] -ne $section) { throw "Unmatched SectionEnd: $($matches[1])" }
            $section = $matches[1]
            $section = $null
            continue
        }

        # key,value
        '^(.+?),(.+)$' {
            if (-not $section) { throw "key,value not in section!: $_" }
            $key, $value = $matches[1, 2]
            if ($section -eq 'Loops' -and $key -eq 'L') {
                # e.g. "L,15,0,0,0,,White,,0:00:00.000000,0:00:00.000000"
                # use "L,15" as key, rest as value.
                $i = $value.IndexOf(',')
                $data[$section]['L,' + $value.Substring(0, $i)] = $value.Substring($i + 1)
            }
            else {
                $data[$section][$key] = $value
            }
            continue
        }
    }

    [PSCustomObject]@{
        Version    = $version
        Transcribe = $transcribe
        Data       = $data
    }
}

function Write-Xsc {
    param ([Parameter(Mandatory)]$XSC)

    "XSC Transcribe.Document Version $($XSC.Version)"
    "Transcribe!,$($XSC.Transcribe)"

    $data = $XSC.Data
    Foreach ($section in $data.get_keys()) {
        ''
        "SectionStart,$section"
        foreach ($key in $data[$section].get_keys()) {
            '{0},{1}' -f $key, $data[$section][$key]
        }
        "SectionEnd,$section"
    }
}

$xsc = Read-Xsc -Path $Path

$xsc.Data['Main']['SaveDate'] = (Get-Date -Format 'yyyy-MM-dd HH:mm')
$xsc.Data['Main']['WindowSize'] = '1698|951|860|421,0'
$xsc.Data['View0']['FX_EQ'] = '0,0,0,0:0:0:0:0:0:0:0:0:0:0:0:0:0:0:0:0:0:0:0:0:0:0:0:0:0:0:0:0:0:0'
$xsc.Data['View0']['FX_Misc'] = '1,0,70,0,80,0'
$xsc.Data['View0']['FX_Speed'] = '0,0,100000,0'
$xsc.Data['View0']['FX_Transposition'] = '0,0,0,0,0'
$xsc.Data['View0']['FX_Tuning'] = '0,0,0,0,0,0,60,50,0'
$xsc.Data['View0']['HorizProfileZoom'] = '0.008539'
$xsc.Data['View0']['ShowAsMono'] = '1'
$xsc.Data['View0']['TimelineOffset'] = '0:00:00.000000'
$xsc.Data['View0']['ViewSplitterPos'] = '0.819860'

Write-Xsc -XSC $xsc