Module:IPAc-en/data

-- This module processes data for [[Module:IPAc-en]]. It is intended to be
-- loaded with mw.loadData.

local PRONUNCIATION_MODULE = 'Module:IPAc-en/pronunciation'
local PHONEME_MODULE = 'Module:IPAc-en/phonemes'

local function makeData(oldData)
 local newData = {}
 for i, old in ipairs(oldData) do
  local new = {}
  for k, v in pairs(old) do
   if k ~= 'aliases' and k ~= 'code' then
    new[k] = v
   end
  end
  newData[old.code] = new
  if old.aliases then
   for i, alias in ipairs(old.aliases) do
    newData[alias] = new
   end   
  end
 end
 return newData
end

local function main()
 local pronunciation = makeData(require(PRONUNCIATION_MODULE))
 local phonemes = makeData(require(PHONEME_MODULE))

 -- Check that no pronunciation keys are also contained in the phonemes
 -- data. This would cause silent, hard-to-debug errors if it went
 -- unchecked, so  make it cause a big red error message instead.
 for id in pairs(pronunciation) do
  if phonemes[id] then
   error(string.format(
    "duplicate ID '%s' found in %s and %s",
    id,
    PRONUNCIATION_MODULE,
    PHONEME_MODULE
   ))
  end
 end

 return {
  pronunciation = pronunciation,
  phonemes = phonemes,
 }
end

return main()