Module:ábḫ-ipa

Revision as of 03:00, 28 February 2020 by Thisimpliesthis (talk | contribs)


local export = {}

function export.convert(frame)
	local word = type(frame) == "table" and frame.args[1] or frame
	
	-- go from orthography to a one-to-one phonemic map
	word = string.gsub(word, "aa", "ā")
	word = string.gsub(word, "áa", "â")
	word = string.gsub(word, "aá", "ǎ")
	word = string.gsub(word, "aai", "Ā")
	word = string.gsub(word, "áai", "Â")
	word = string.gsub(word, "aái", "Ǎ")
	word = string.gsub(word, "ai", "A")
	word = string.gsub(word, "ái", "Á")
	word = string.gsub(word, "mb", "^B")
	word = string.gsub(word, "ei", "ē")
	word = string.gsub(word, "éi", "ê")
	word = string.gsub(word, "eí", "ě")
	word = string.gsub(word, "nd", "D")
	word = string.gsub(word, "ng", "G")
	word = string.gsub(word, "ḫ", "H")
	word = string.gsub(word, "ii", "ī")
	word = string.gsub(word, "íi", "î")
	word = string.gsub(word, "ií", "ǐ")
	word = string.gsub(word, "oi", "I")
	word = string.gsub(word, "ói", "Í")
	word = string.gsub(word, "jh", "J")
	word = string.gsub(word, "nkk", "Kk")
	word = string.gsub(word, "ou", "ō")
	word = string.gsub(word, "óu", "ô")
	word = string.gsub(word, "oú", "ǒ")
	word = string.gsub(word, "aao", "Ō")
	word = string.gsub(word, "áao", "Ô")
	word = string.gsub(word, "aáo", "Ǒ")
	word = string.gsub(word, "ao", "O")
	word = string.gsub(word, "áo", "Ó")
	word = string.gsub(word, "mp", "P")
	word = string.gsub(word, "ntt", "Tt")
	
	word = mw.text.split(word, "", true)
	
	result = {}
	
	-- put in syllable boundary marks
	for i,val in ipairs(word) do
		if word[i-1] == nil then
			if mw.ustring.match(word[i], "[íîǐéêěóôǒÍáâǎÁÂǍÓÔǑ]") then
				table.insert(result, "ˈ")
				table.insert(result, val)
			elseif mw.ustring.match(word[i], "[mnjBDGPpTtKkbzdsJHhry]") and mw.ustring.match(word[i+1], "[íîǐéêěóôǒÍáâǎÁÂǍÓÔǑ]") then
				table.insert(result, "ˈ")
				table.insert(result, val)
			else
				table.insert(result, ".")
				table.insert(result, val)
			end
		elseif mw.ustring.match(word[i], "[iīeēoōIaāAĀOŌ]") then
			if mw.ustring.match(word[i-1], "[iīeēoōIaāAĀOŌíîǐéêěóôǒÍáâǎÁÂǍÓÔǑ]") then
				table.insert(result, ".")
				table.insert(result, val)
			else
				table.insert(result, val)
			end
		elseif mw.ustring.match(word[i], "[íîǐéêěóôǒÍáâǎÁÂǍÓÔǑ]") then
			if mw.ustring.match(word[i-1], "[iīeēoōIaāAĀOŌíîǐéêěóôǒÍáâǎÁÂǍÓÔǑ]") then
				table.insert(result, "ˈ")
				table.insert(result, val)
			else
				table.insert(result, val)
			end
		else
			if word[i+1] == nil then
				table.insert(result, val)
			elseif mw.ustring.match(word[i+1], "[iīeēoōIaāAĀOŌ]") then
				table.insert(result, ".")
				table.insert(result, val)
			elseif mw.ustring.match(word[i+1], "[íîǐéêěóôǒÍáâǎÁÂǍÓÔǑ]") then
				table.insert(result, "ˈ")
				table.insert(result, val)
			else
				table.insert(result, val)
			end
		end
	end
	
	-- isolate syllable boundary marks
	stresses = string.gsub(table.concat(result), "[^%.ˈ]", "")
	stresses = mw.text.split(stresses, "", true)
	
	-- compute position of stress
	syllables = 0
	pos = 0
	for i,val in ipairs(stresses) do
		syllables = syllables + 1
		if val == "ˈ" then
			pos = i
		end
	end
	
	newStresses = {}
	
	-- mark secondary stress
	for i,val in ipairs(stresses) do
		if val == "." and (i ~= syllables) then
			if (i - pos) % 2 == 0 then
				table.insert(newStresses, "ˌ")
			else
				table.insert(newStresses, ".")
			end
		else
			table.insert(newStresses, val)
		end
	end
	
	-- look through word and replace the correct .'s with ˌ's
	newWord = {}
	index = 1
	for i,val in ipairs(result) do
		if (i == 1) and val == "." and newStresses[1] == "." then
			index = index + 1
		elseif val == "." or val == "ˈ" then
			table.insert(newWord, newStresses[index])
			index = index + 1
		else
			table.insert(newWord, val)
		end
	end
	
	word = newWord
	newWord = {}
	
	-- allophonic rules, i.e., from a one-to-one phonemic map to a one-to one
	-- phonetic map
	for i,val in ipairs(word) do
		if val == "a" then
			if word[i-1] == nil then
				table.insert(newWord, "w")
			elseif word[i-1] == "ˌ" then
				table.insert(newWord, "a")
			elseif word[i-1] == "." then
				table.insert(newWord, "w")
			elseif word[i-2] == nil then
				table.insert(newWord, "w")
			elseif word[i-2] == "ˌ" then
				table.insert(newWord, "a")
			else
				table.insert(newWord, "w")
			end
		else
			table.insert(newWord, val)
		end
	end
	
	word = table.concat(newWord)
	
	-- go from one-to-one phonetic map to IPA
	word = string.gsub(word, "ā", "aː")
	word = string.gsub(word, "â", "âː")
	word = string.gsub(word, "ǎ", "ǎː")
	word = string.gsub(word, "A", "aɪ̯")
	word = string.gsub(word, "Á", "áɪ̯")
	word = string.gsub(word, "Ā", "aːɪ̯")
	word = string.gsub(word, "Â", "âːɪ̯")
	word = string.gsub(word, "Ǎ", "ǎːɪ̯")
	word = string.gsub(word, "b", "β")
	word = string.gsub(word, "B", "ᵐb")
	word = string.gsub(word, "d", "ð")
	word = string.gsub(word, "D", "ⁿd̪")
	word = string.gsub(word, "ē", "eːɪ̯")
	word = string.gsub(word, "ê", "êːɪ̯")
	word = string.gsub(word, "ě", "ěːɪ̯")
	word = string.gsub(word, "G", "ᵑg")
	word = string.gsub(word, "h", "ɦ")
	word = string.gsub(word, "H", "x")
	word = string.gsub(word, "ī", "iː")
	word = string.gsub(word, "î", "îː")
	word = string.gsub(word, "ǐ", "ǐː")
	word = string.gsub(word, "I", "ɔɪ̯")
	word = string.gsub(word, "Í", "ɔ́ɪ̯")
	word = string.gsub(word, "j", "ɲ̟")
	word = string.gsub(word, "J", "ʑ")
	word = string.gsub(word, "K", "ŋk")
	word = string.gsub(word, "n", "n̪")
	word = string.gsub(word, "o", "ɔ")
	word = string.gsub(word, "ó", "ɔ́")
	word = string.gsub(word, "ō", "ɔːʊ̯")
	word = string.gsub(word, "ô", "ɔ̂ːʊ̯")
	word = string.gsub(word, "ǒ", "ɔ̌ːʊ̯")
	word = string.gsub(word, "O", "aɔ̯")
	word = string.gsub(word, "Ó", "áɔ̯")
	word = string.gsub(word, "Ō", "aːɔ̯")
	word = string.gsub(word, "Ô", "âːɔ̯")
	word = string.gsub(word, "Ǒ", "ǎːɔ̯")
	word = string.gsub(word, "P", "mp")
	word = string.gsub(word, "r", "ɺ")
	word = string.gsub(word, "s", "ɕ")
	word = string.gsub(word, "t", "t̪")
	word = string.gsub(word, "T", "n̪t̪")
	word = string.gsub(word, "w", "ɐ")
	word = string.gsub(word, "y", "j")
	word = string.gsub(word, "z", "θ̱")
	
	return "[" .. word .. "]"
end

return export