Module:bho-IPA

local export = {}

local lang = require("Module:languages").getByCode("bho")
local sc = require("Module:scripts").getByCode("Deva")
local m_IPA = require("Module:IPA")

local gsub = mw.ustring.gsub
local gmatch = mw.ustring.gmatch
local find = mw.ustring.find

local correspondences = {
	 = "ŋ",  = "ɡ", 
     = "ʦ",  = "ʣ",  = "ɲ",
	 = "ʈ",  = "ɖ",  = "ɳ",
	 = "t",  = "d",
	 = "j",  = "ʋ",  = "l",
	 = "s",  = "s",  = "ɦ",
	 = "ɽ",  = "n",  = "ʒ",  = "z",  = "ɹ",  = "ri",  = "riː",  = "̃",  = "",  = ",",  = "ɾ",  = "j̃",

	 = "ə",  = "aː",  = "ɪ",  = "iː",  = "o",  = "e",  = "eː",  = "ʊ",  = "uː",  = "oː",  = "ɔ",  = "æ",  = "ː",  = "ː", = "æ",  = "ɔ",  = "ĭ",  = "ŭ", 

  = "ʰ",   = " ",

}

local vowels = "aāā̃ẽõiīuūᵊːɔʊi̯u̯âäæeī̃ū̃ĩôoʌʌ̃ãũŏĕ̤"
local weak_h_c = "gjʣdḍd̪ṇɽbnmlṛvrɾṟwy"
local weak_h = "()h"
local aspirate = "()"
local syllabify_pattern = "(+)(+)(+)"

local function find_consonants(text)
	local current = ""
	local cons = {}
	for cc in mw.ustring.gcodepoint(text .. " ") do
		local ch = mw.ustring.char(cc)
		if find(current .. ch, "^$") or find(current .. ch, "^h$") then
			current = current .. ch
		else
			table.insert(cons, current)
			current = ch
		end
	end
	return cons
end

local function syllabify(text)
	for count = 1, 2 do
		text = gsub(text, syllabify_pattern, function(a, b, c)
			b_set = find_consonants(b)
			table.insert(b_set, #b_set > 1 and 2 or 1, "")
			return a .. table.concat(b_set) .. c
			end)
end
return text
end


local identical = "knlsfzθð"
for character in gmatch(identical, ".") do
	correspondences = character
end

local function transliterate(text)
	return (lang:transliterate(text))
end

function export.link(term)
	return require("Module:links").full_link{ term = term, lang = lang, sc = sc }
end

function export.toIPA(text, phonetic)
	local translit = transliterate(text)
	if not translit then
		error('The term "' .. Bhojpuri .. '" could not be transliterated.')
	end

	if phonetic then
end
	local result = gsub(translit, ".", correspondences)
		
	
translit = gsub(translit, "͠", "̃")
translit = gsub(translit, 'a(̃?)i', 'ɛ%1')
translit = gsub(translit, 'a(̃?)u', 'ɔ%1')
translit = gsub(translit, "rr̥", "ri")
translit = gsub(translit, "rr̥̄", "riː")
translit = gsub(translit, "%-", " ")
translit = gsub(translit, "r̥", "ri")
translit = gsub(translit, "r̥̄", "riː")
translit = syllabify(translit)
	
	
	-- aspiration rules
	translit = gsub(translit, aspirate .. "h", '%1ʰ')
	translit = gsub(translit, weak_h, '%1ʱ')
	translit = gsub(translit, '()%.h', '.%1ʱ')
	translit = gsub(translit, aspirate .. '%.h', '.%1ʰ')
        translit = gsub(translit, "%.ː", "ː.")

	local result = gsub(translit, ".", correspondences)
	
	-- formatting
result= gsub(result, "()(ː)(?)()(ː?)(?)(?)()(ː?)$", "%1ˑ%3%4%5%6%7%8%9")
result= gsub(result, "()(ː)(?)()(ː?)(?)()(ː?)(?)$", "%1ˑ%3%4%5%6%7%8%9")
result= gsub(result, "()(ː)(?)()(ː?)(?)(?)()(ː?) ", "%1ˑ%3%4%5%6%7%8%9 ")
result= gsub(result, "()(ː)(?)()(ː?)(?)()(ː?)(?) ", "%1ˑ%3%4%5%6%7%8%9 ")
    result = gsub(result, "(...)ə$", "%1ᵊ")
	result = gsub(result, "(...)ə ", "%1ᵊ ")
	result = gsub(result, "(...)ə%.?%-", "%1ᵊ-")
    result = gsub(result, "ʊ(̃?)(ʱ?)$", "u%1%2")
	result = gsub(result, "ɪ(̃?)(ʱ?)$", "i%1%2")
    result = gsub(result, "ɔ(̃?)ʋ", "əu̯")
    result = gsub(result, "ɛ(̃?)j", "əi̯")
    result = gsub(result, "ː̃", "̃ː")
    result = gsub(result, "ː.̃", "̃ː.")
    result = gsub(result, "%. ", " ")
    result = gsub(result, "%.$", " ")
    result = gsub(result, "%.?%-", ".")
    result = gsub(result, "ː%.̃", "̃ː.")
    result = gsub(result, "()", "%1̪")
    result = gsub(result, "ʦ", "t͡ɕ")
    result = gsub(result, "ʣ", "d͡ʑ")
    result = gsub(result, "aˑ", "ə")
    result = gsub(result, "iˑ", "ɪ")
    result = gsub(result, "uˑ", "ʊ")
    result = gsub(result, "eˑ", "e")
    result = gsub(result, "oˑ", "o")
    result = gsub(result, "āˑ", "ə")
    result = gsub(result, "īˑ", "ɪ")
    result = gsub(result, "ūˑ", "ʊ")
    result = gsub(result, "ēˑ", "e")
    result = gsub(result, "ōˑ", "o")
	return result
end

function export.make(frame)
	local args = frame:getParent().args
	local pagetitle = mw.title.getCurrentTitle().text
	
	local p, results = {}, {}
	
	if args then
		for index, item in ipairs(args) do
			table.insert(p, (item ~= "") and item or nil)
		end
	else
		p = { pagetitle }
	end
	
	for _, Bhojpuri in ipairs(p) do
		table.insert(results, { pron = "/" .. export.toIPA(Bhojpuri) .. "/" })
		if export.toIPA(Bhojpuri, true) ~= export.toIPA(Bhojpuri) then
			table.insert(results, { pron = "" })
		end
	end
	
	return m_IPA.format_IPA_full { lang = lang, items = results }
end

return export