Module:ml-IPA

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---

local export = {}

local consonants = {
	['ക']='k', ['ഖ']='kʰ', ['ഗ'] = 'g', ['ഘ'] ='gʱ', ['ങ']='ŋ',
	['ച']='t͡ʃ', ['ഛ']='t͡ʃʰ', ['ജ']='d͡ʒ ', ['ഝ']='d͡ʒʱ', ['ഞ']='ɲ',
	['ട']='ʈ', ['ഠ']='ʈʰ', ['ഡ']='ɖ', ['ഢ']='ɖʱ', ['ണ']='ɳ',
	['ത']='t̪', ['ഥ']='t̪ʰ', ['ദ']=' d̪', ['ധ']=' d̪ʱ', ['ന']='n̪', 
	['പ']='p', ['ഫ']='f', ['ബ']='b', ['ഭ']='bʱ',  ['മ']='m',
	['യ']='j', ['ര']='ɾ', ['ല']='l', ['വ']='ʋ', 
	['ശ']=' ʃ ', ['ഷ']='ʂ',	['സ']='s', ['ഹ']='h', 
	['ള']='ɭ', ['ഴ']='ɻ', ['റ']='r', ['ഩ']='n', ['ന്റ'] = 'nd', ['ൻ്റ'] = 'nd',

}

local numbers_sa = {
	['1']='1', ['2']='2', ['3']='3', ['4']='4', 
	['¹']='1', ['²']='2', ['³']='3', ['⁴']='4',
	['₁']='1', ['₂']='2', ['₃']='3', ['₄']='4'
}

local diacritics = {
	['ാ']= 'aː', ['ി']='i', ['ീ']='iː', ['ു']='u', ['ൂ']='uː',  ['െ']='e',
	['േ']='eː', ['ൈ']='ai̯', ['ൊ']='o', ['ോ']='oː', ['ൌ']='au̯', ['ൗ']='au̯',
	['◌്']='',	--virama, supresses the inherent vowel "a"
	-- no diacritic
	[''] = 'a'
}

local nonconsonants = {
	-- independent vowels
	['അ']='a', ['ആ']='aː', ['ഇ']='i', ['ഈ']='iː', ['ഉ']='u', ['ഊ']='uː',
	['എ']='e', ['ഏ']='eː', ['ഐ']='ai̯', ['ഒ']='o', ['ഓ']='oː', ['ഔ']='au̯',
}

local adjust1 = {
	['ŋk']='ŋɡ', ['ɲt͡ʃ']='ɲd͡ʒ', ['ɳʈ']='ɳɖ', ['rr']= 'tt', ['n̪t̪']='n̪d̪', ['mp']='mb',
	['([aeiou]ː?)k([aeiou])']='%1ɡ%2', ['([aeiou]ː?)t͡ʃ ([aeiou])']='%1d͡ʒ%2',
	['([aeiou]ː?)ʈ([aeiou])']='%1ɖ%2', ['([aeiou]ː?)t̪([aeiou])']='%1d̪%2', ['([aeiou]ː?)p([aeiou])']='%1b%2',
}

function export.to_IPA(text)

	text = mw.ustring.gsub(
		text,
		'([ ക-ഩ])([ാ -◌്]?)([1234¹²³⁴₁₂₃₄]?)',
		function(c, d, n)
			n = numbers_sa[n] or n
			return ((consonants[c..n] or consonants[c]) or ((consonants[c..n] or consonant[c] or c))) .. diacritics[d]
		end)

	text = mw.ustring.gsub(text, '[അ-ഔ]', nonconsonants)

	for k, v in pairs(adjust1) do
		text = mw.ustring.gsub(text, k, v)
		text = mw.ustring.gsub(text, k, v) --twice
	end

	--convert consonant gemination to triangular colon
	text = mw.ustring.gsub(text, "([kŋɲʈɳpmjʋɻɭrnɕʂshfzx])%1", "%1ː")
	text = mw.ustring.gsub(text, "([tnɾl]̪)%1", "%1ː")
	text = mw.ustring.gsub(text, "([td]͡[ʃʒ])%1", "%1ː")

	--if an independent vowel is after another vowel, assume diphthong
	text = mw.ustring.gsub(text, "([aeiou]ː?)•", "%1")

	text2 = text --phonetic

	--[=[for k, v in pairs(adjust2) do
		text2 = mw.ustring.gsub(text2, k, v)
	end]=]

	return (text == text2 and { text } or { text, text2 })

end

function export.show(frame)

	local args = frame:getParent().args
	local page_title = mw.title.getCurrentTitle().text
	local text = args[1] or page_title
	local qualifier = args['q'] or nil

	local transcriptions = export.to_IPA(text)
	local IPA_text
	if not transcriptions[2] then
		IPA_text = require('Module:IPA').format_IPA_full(
			require('Module:languages').getByCode('ml'),
			{ { pron = '/' .. transcriptions[1] .. '/' } })
	else
		IPA_text = require('Module:IPA').format_IPA_full(
			require('Module:languages').getByCode('ml'),
			{ { pron = '/' .. transcriptions[1] .. '/' }, { pron = '[' .. transcriptions[2] .. ']' } })
	end

	return '* ' .. (qualifier and require("Module:qualifier").format_qualifier{qualifier} .. ' ' or '')
		.. IPA_text

end

return export