မဝ်ဂျူ:eve-translit

Documentation for this module may be created at မဝ်ဂျူ:eve-translit/doc

local export = {}

local u = mw.ustring.char

local MACRON    = u(0x0304)
local DOTABOVE  = u(0x0307)

local tab = { 
	["А"]='A', ["а"]='a', ["Б"]='B', ["б"]='ʙ', ["В"]='W', ["в"]='w',
	["Е"]='E', ["е"]='e', ["Ё"]='Jo', ["ё"]='jo', ["Г"]='G', ["г"]='g',
	["Д"]='D', ["д"]='d', ["И"]='I', ["и"]='i',  ["Ӣ"]='Ī', ["ӣ"]='ī',
	["Й"]='J', ["й"]='j', ["К"]='K', ["к"]='k', ["Л"]='L', ["л"]='l',
	["М"]='M', ["м"]='m', ["Н"]='N', ["н"]='n', ["Ӈ"]='Ŋ', ["ӈ"]='ŋ',
	["О"]='O', ["о"]='o', ["Ө"]='Ö', ["ө"]='ö', ["Ӫ"]='Ö', ["ӫ"]='ö',
	["П"]='P', ["п"]='p', ["Р"]='R', ["р"]='r',	["С"]='S', ["с"]='s',
	["Т"]='T', ["т"]='t', ["У"]='U', ["у"]='u', ["Ӯ"]='Ū', ["ӯ"]='ū',
	["Ф"]='F', ["ф"]='f', ["Х"]='H', ["х"]='h', ["Ч"]='C', ["ч"]='c',
	["Ы"]='I', ["ы"]='i', ["Э"]='Ə', ["э"]='ə', ["Ю"]='Ju', ["ю"]='ju',
	["Я"]='Ẹ', ["я"]='ẹ', -- Not present in the original latinisation
	-- non-native letters
	 ["Ж"]='Z', ["ж"]='z',	["З"]='Z', ["з"]='z',
	 ["Ц"]='C', ["ц"]='c',  ["Ш"]='S', ["ш"]='s', ["Щ"]='S', ["щ"]='s', 
	 ['Ъ']='ʺ', ['ъ']='ʺ', ["Ь"]="’", ["ь"]="’",
	 
	 -- non-standard letters
	 ["Ҕ"]='Γ', ["ҕ"]='γ', ["Ҥ"]='Ŋ', ["ҥ"]='ŋ', ["Ү"]='Ü', ["ү"]='ü',
	 ["Һ"]='Ḥ', ["һ"]='ḥ', ["Ӄ"]='Q', ["ӄ"]='q'							
}


local iotatedTranslit = {
	["е"] = "je",
	["я"] = "ja",
	["и"] = "ji",
	["ӣ"] = "jī",
	["Е"] = "Je",
	["Я"] = "Ja",
}

local replacements = {
	{ "Ё", 'Jo' },
	{ "ё", 'jo' },
	{ "Ӫ", 'Jö' },
	{ "ӫ", 'jö' },
	{ "Ю", 'Ju' },
	{ "ю", 'ju' },
	
	-- Unfortunately the Cyrillic alphabet doesn't distinguish between ʒe and ʒə
	{ "Де", 'Ʒe' },
	{ "де", 'ʒe' },
	{ "Не", 'Ņe' },
	{ "не", 'ņe' },
	
	{ "Ди", 'Ʒi' },
	{ "ди", 'ʒi' },
	{ "Ни", 'Ņi' },
	{ "ни", 'ņi' },
	
	{ "Дя", 'Ʒa' },
	{ "дя", 'ʒa' },
	{ "Ня", 'Ņa' },
	{ "ня", 'ņa' },
	
	{ "Дj", 'Ʒ' },
	{ "дj", 'ʒ' },
	{ "Нj", 'Ņ' },
	{ "нj", 'ņ' },
	
	-- The following is non-standard but supposedly used in non-standard spelling and dialect forms
	{ "Дь", 'Ʒ' },
	{ "дь", 'ʒ' },
	{ "Нь", 'Ņ' },
	{ "нь", 'ņ' },
	
	{ "Нг", 'Ŋ' },
	{ "нг", 'ŋ' },
}
 
function export.tr(text, lang, sc)
	local ugsub, str_gsub = mw.ustring.gsub, string.gsub
	local UTF8char = '[\1-\127\194-\244][\128-\191]*'
	
	for i, replacement in ipairs(replacements) do
		text = str_gsub(text, unpack(replacement))
	end
	
	-- е after a vowel or at the beginning of a word becomes ye
	-- Again, the Cyrillic alphabet doesn't distinguish between je and jə
	text = ugsub(text,
		"([АОУЫЯЕИӢЪЬаӣиоуыэяеъьaeioöu]["..MACRON..DOTABOVE.."]?)([еяиӣ])", 
		function(preceding, iotated)
			return preceding .. iotatedTranslit[iotated]
		end)
	
	text = ugsub(text, "^[ЕеЯя]", iotatedTranslit)
	
	text = ugsub(text, "([^Ѐ-ӿ])([ЕеЯя])",
		function(preceding, iotated)
			return preceding .. iotatedTranslit[iotated]
		end)
	
	text = str_gsub(text, UTF8char, tab)
	
	return text
end

return export