Parse PNG files into their individual chunks

ParsePng.ps1

function ParsePng {
    [CmdletBinding()]
    param(
        [Parameter(Mandatory, Position = 0)]
        [string]
        $Path
    )

    process {
        try {
            $Path = (Resolve-Path -Path $Path).Path
            $file = [io.file]::OpenRead($Path)
            $reader = [io.binaryreader]::new($file)
            Write-Host "Length: $($reader.BaseStream.Length)"
            Write-Host "Position: $($reader.BaseStream.Position)"
            $null = $reader.ReadBytes(8)
            while ($reader.BaseStream.Position -lt $reader.BaseStream.Length) {
                Write-Host "Position: $($reader.BaseStream.Position)"
                $rawLength = $reader.ReadBytes(4)
                [array]::Reverse($rawLength)
                $length = [bitconverter]::ToUInt32($rawLength, 0)
                $type = $reader.ReadBytes(4)
                $data = $reader.ReadBytes($length)
                $crc = $reader.ReadBytes(4)
                [pscustomobject]@{
                    Length = $length
                    Type   = [text.encoding]::ASCII.GetString($type)
                    Data   = $data
                    CRC    = $crc
                }
            }
        } finally {
            $reader.Dispose()
        }
    }
}