Module:gu-IPA/sandbox

local export = {}

local lang = require("Module:languages").getByCode("gu")
local sc = require("Module:scripts").getByCode("Gujr")
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", 
     = "t͡ʃ",  = "d͡ʒ",  = "ɲ",
     = "ʈ",  = "ɖ",  = "ɳ",
     = "t̪",  = "d̪",
     = "j",  = "ɾ",  = "ʋ",  = "l̪",
     = "ʃ",  = "ʂ",  = "ɦ",
     = "ɭ",  = "f",  = "ɣ",  = "ð",  = "β", 
     = "ɽ",

     = "ə",  = "ɑ",  = "ɪ",
     = "i",  = "o",  = "eː",  = "ɾʊ",
     = "u",  = "u",  = "ɔ",  = "ɔ",  = "ɛ",  = "æ",
     = "ə̤",  = "a̤",  = "i̤",  = "ṳ",   = "ɛ̤",  = "ɔ̤", 
     = "om",  = "ʰ",
     = "‿ˈ", -- get rid of spaces
}

local surati= {
	 = "ɦ",
}

local vowels = "aāiīuūoɔɛeæãā̃ẽĩī̃õũū̃ː"
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 = "knlsfzθ"
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)
	local result = {}
	local translit = text
	if lang:findBestScript(text):isTransliterated() then
		translit = transliterate(text)
	end
	if not translit then
		error('The term "' .. text .. '" could not be transliterated.')
	end
	
	local translit = gsub(translit, "͠", "̃")
	local translit = gsub(translit, "%-", ".")
	local translit = gsub(translit, "ṣ()", "ś%1")
	
    local translit = syllabify(translit)
    local translit = gsub(translit, 'jñ', 'gy')
    local translit = gsub(translit, aspirate .. "h", '%1ʰ')
    local translit = gsub(translit, weak_h, '%1ʱ')
	local translit = gsub(translit, "%.ː", "ː.")
	
	for character in gmatch(translit, ".") do
		table.insert(result, correspondences or character)
	end
	
	result = table.concat(result)
	local result = gsub(result, "ː̃", "̃ː")

	result = gsub(result, "%.‿", "‿")
    
	return "ˈ" .. 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 _, Gujarati in ipairs(p) do
		table.insert(results, export.toIPA(Gujarati))
	end
	
	return m_IPA.format_IPA_full { lang = lang, items = {{ pron = "/" .. table.concat(results, "/, /") .. "/" }}, }
end

return export