Modul:Brah-translit

local export = {}

local consonants = {
--consonants
	='k', ='kh', ='g', ='gh', ='ṅ',
	='c', ='ch', ='j', ='jh', ='ñ', 
	='ṭ', ='ṭh', ='ḍ', ='ḍh', ='ṇ', 
	='t', ='th', ='d', ='dh', ='n', 
	='p', ='ph', ='b', ='bh', ='m',
	='y', ='r', ='l', ='v', ='ḷ',
	='ś', ='ṣ', ='s', ='h',
}

local diacritics = {
--matras
	='ā', ='i', ='ī', ='u', ='ū', ='ṛ', ='ṝ', 
	='l̥', ='l̥̄', ='e', ='ai', ='o', ='au',  ='',
    --bhattiprolu aa
    ='ā',
}

local tt = {

--vowels
	='a', ='ā', ='i', ='ī', ='u', ='ū', ='ṛ', ='ṝ',
	='l̥', ='l̥̄', ='e', ='ai', ='o', ='au', 
	-- chandrabindu    
	='m̐', --until a better method is found
	-- anusvara    
	='ṃ', --until a better method is found
	-- visarga    
	='ḥ',
	--numerals
	='0', ='1', ='2', ='3', ='4', ='5', ='6', ='7', ='8', ='9',
	--punctuation        
	='.', --danda
    ='.' --double danda
}

function export.tr(text, lang, sc)
	if sc ~= "Brah" then
		return nil
	end
	
	text = mw.ustring.gsub(
		text,
		'()'..
		'(?)'..
		'(?)',
		function(c, d, e)
			if d == "" and e ~= "" then        
				return consonants .. 'a' .. tt .. '̈'
			elseif e ~= "" then
				return consonants .. diacritics .. tt
			elseif d == "" then        
				return consonants .. 'a'
			else
				return consonants .. diacritics
			end
		end)

	text = mw.ustring.gsub(text, '.', tt)
	
	return text
end
 
return export