local partition = {}

local eformat = "c20c4>I4>I4"
function partition.parse(s)
 local rt = {}
 for i = 1, s:len(), 32 do
  local n, t, start, length = string.unpack(eformat, s, i)
  n = n:gsub("\0", "")
  if n ~= "" then
   rt[#rt+1] = {n,t,start,length}
  end
 end
 return rt
end
function partition.generate(pt)
 local ps = ""
 for k,v in ipairs(pt) do
  ps = ps .. string.pack(eformat, table.unpack(v))
 end
 return ps
end

return partition