एकक:rut-translit

Documentation for this module may be created at एकक:rut-translit/doc

local gsub = mw.ustring.gsub
local u = require("Module:string utilities").char

local export = {}

local tt = {
	["б"]="b", ["п"]="p", ["ф"]="f", ["д"]="d", ["т"]="t", ["ц"]="c",
	["з"]="z", ["с"]="s", ["ч"]="č", ["ж"]="ž", ["ш"]="š", ["г"]="g",
	["к"]="k", ["х"]="ꭓ", ["ъ"]="ʔ", ["м"]="m", ["н"]="n", ["р"]="r",
	["л"]="l", ["в"]="v", ["й"]="j", ["ю"]="ju", ["я"]="ja", ["ё"]="jo",
	["и"]="i", ["е"]="je", ["э"]="e", ["а"]="a", ["ы"]="ɨ", ["о"]="o", ["у"]="u",

	["Б"]="B", ["П"]="P", ["Ф"]="F", ["Д"]="D", ["Т"]="T", ["Ц"]="C",
	["З"]="Z", ["С"]="S", ["Ч"]="Č", ["Ж"]="Ž", ["Ш"]="Š", ["Г"]="G",
	["К"]="K", ["Х"]="Ꭓ", ["Ъ"]="ʔ", ["М"]="M", ["Н"]="N", ["Р"]="R",
	["Л"]="L", ["В"]="V", ["Й"]="J", ["Ю"]="Ju", ["Я"]="Ja", ["Ё"]="Jo",
	["И"]="I", ["Е"]="Je", ["Э"]="E", ["А"]="A", ["Ы"]="Ɨ", ["О"]="O", ["U"]="U",
}

local roundings = {
	'([тцчкТЦЧК]ӏ)в',
	'([кхгКХГ]ъ)в',
	'([цсшчгкхЦСШЧГКХ])в',
	'([дД]ж)в', '([хХ]ь)в',
}

local digraphs = {
	['пӏ'] = 'ṗ', ['Пӏ'] = 'Ṗ',
	['тӏ'] = 'ṭ', ['Тӏ'] = 'Ṭ',
	['дз'] = 'ʒ', ['Дз'] = 'Ʒ',
	['цӏ'] = 'c̣', ['Цӏ'] = 'C̣',
	['дж'] = 'ǯ', ['Дж'] = 'Ǯ',
	['чӏ'] = 'č̣', ['Чӏ'] = 'Č̣',
	['кӏ'] = 'ḳ', ['Кӏ'] = 'Ḳ',
	['гӏ'] = 'ɣ', ['Гӏ'] = 'Ɣ',
	['хь'] = 'x', ['Хь'] = 'X',
	['хӏ'] = 'ħ', ['Хӏ'] = 'Ħ',
	['къ'] = 'q:', ['Къ'] = 'Q:',
	['хъ'] = 'q', ['Хъ'] = 'Q',
	['кь'] = 'q̇', ['Кь'] = 'Q̇',
	['гъ'] = 'ʁ', ['Гъ'] = 'ʁ',
	['гь'] = 'h', ['Гь'] = 'H',
	['аь'] = 'ä', ['Аь'] = 'Ä',
	['уь'] = 'ü', ['Уь'] = 'Ü',
	['([ауыАУЫ])ӏ'] = '%1ˤ',
}

function export.tr(text, lang, sc)
	if sc ~= "Cyrl" then
		return nil
	end

	-- Convert capital to lowercase palochka. Lowercase is found in tables
	-- above.
	text = gsub(text, u(0x4C0), u(0x4CF))

	-- Non-initial е is not je.
	text = gsub(text, "([Ё-ӏ])е", "%1e")

	for _, rounding in ipairs(roundings) do
		text = gsub(text, rounding, "%1ʷ")
	end

	for digraph, translit in pairs(digraphs) do
		text = gsub(text, digraph, translit)
	end

	text = gsub(text, "[Ё-ӏ]", tt)

	return text
end

return export