Module:ta-decl

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The following documentation is located at Module:ta-decl/documentation. Categories were auto-generated by Module:module categorization.
Useful links: subpage list • links • transclusions • testcases • sandbox

This module serves as the backend for Template:ta-decl. 


local export = {}
local m_translit = require("Module:ta-translit")
local m_tamil = require("Module:ta-conj")
local m_string_utilities = require("Module:string utilities")
local agglutinate = m_tamil.agglutinate

local gsub = mw.ustring.gsub
local sub = mw.ustring.sub
local match = mw.ustring.match
local len = mw.ustring.len

local long_vowels = {
	 = 'ā',
	 = 'ī',
	 = 'ū',
	 = 'ē',
	 = 'ō'
}

-- Clone parent’s args while also assigning nil to empty strings.
local function clone_args(frame)
	local args = {}
	for pname, param in pairs(frame:getParent().args) do
		if param == "" then
			args = nil
		else
			args = param
		end
	end
	return args
end

function export.do_generate_forms(args)
	local data = {}

	local base = args or ""
	local PAGENAME = mw.title.getCurrentTitle().text
	if base == "" then
		base = PAGENAME
	end

	local type_stem = args.type
	data.type_stem = ""

	local oblique_sg_base = ""
	local plu_base = agglutinate(base, 'கள்', {  = true }) --default
	local special_vocative = nil

	categories = ""

	oblique_sg_base = base -- default
	if (type_stem == "root" or type_stem == "basic" or type_stem == "none") then
		-- do nothing
		data.type_stem = "root-stem"
	elseif (type_stem == "m" or (type_stem == nil and sub(base, -2) == 'ம்')) then
		data.type_stem = "m-stem"
		oblique_sg_base = sub(base, 1, -3) .. 'த்து'
		plu_base = agglutinate(base, 'கள்') --merge nasals
	elseif (type_stem == "i" or (type_stem == nil and sub(base, -1) == 'ி')) then
		data.type_stem = "i-stem"
	elseif (type_stem == "ai" or (type_stem == nil and sub(base, -1) == 'ை')) then
		data.type_stem = "ai-stem"
	elseif (type_stem == "y" or (type_stem == nil and sub(base, -2) == 'ய்')) then
		data.type_stem = "y-stem"
	elseif (type_stem == "ā" or (type_stem == nil and sub(base, -1) == 'ா')) then
		data.type_stem = "ā-stem"
		plu_base = agglutinate(base, 'க்கள்', {})
	elseif (type_stem == "ī" or (type_stem == nil and sub(base, -1) == "ீ")) then
		data.type_stem = "ī-stem"
		plu_base = agglutinate(base, 'க்கள்', {})
	elseif (type_stem == "ṟu" or (type_stem == nil and sub(base, -2) == "று" and sub(base, 3) ~= "ற்று")) then
		data.type_stem = "ṟu-stem"
		oblique_sg_base = sub(base, 1, -3) .. 'ற்று'
	elseif (type_stem == "ṭu" or (type_stem == nil and sub(base, -2) == "டு" and sub(base, 3) ~= "ட்டு")) then
		data.type_stem = "ṭu-stem"
		oblique_sg_base = sub(base, 1, -3) .. 'ட்டு'
	elseif (type_stem == "u" or (type_stem == nil and sub(base, -1) == 'ு')) then
		data.type_stem = "u-stem"
	elseif (type_stem == "l" or (type_stem == nil and sub(base, -2) == "ல்")) then
		data.type_stem = "l-stem"
		special_vocative = base .. 'லே'
		oblique_sg_base = base .. 'லு'
		plu_base = sub(base, 1, -3) .. 'ற்கள்'
	elseif (type_stem == "ṉ" or (type_stem == nil and sub(base, -2) == "ன்")) then
		data.type_stem = "ṉ-stem"
		oblique_sg_base = sub(base, 1, -3) .. 'னு'
		plu_base = sub(base, 1, -3) .. "ர்கள்"
	elseif (type_stem == "ū" or (type_stem == nil and sub(base, -1) == "ூ")) then
		data.type_stem = "ū-stem"
		oblique_sg_base = base .. "வு"
		plu_base = base .. 'க்கள்'
	elseif (type_stem == "ḷ" or (type_stem == nil and sub(base, -2) == "ள்")) then
		data.type_stem = "ḷ-stem"
		oblique_sg_base = sub(base, 1, -3) .. 'ளு'
		plu_base = agglutinate(sub(base, 1, -3), 'ட்கள்', {})
	else
		data.type_stem = "root-stem"
	end

	if (data.type_stem ~= "root-stem") then
		categories = categories .. "]"
	end

	if ((args.oblique_sg_base or args) and (args.plu_base or args)) then
		oblique_sg_base = args.oblique_sg_base or args
		plu_base = args.plu_base or args
	end

	data.nom_sg = args.nom_s or base
	data.voc_sg = args.voc_s or args or special_vocative or
	agglutinate(base, "ஏ",
		{  = true,  = true,  = true })
	-- mw.log(oblique_sg_base)
	data.acc_sg = args.acc_s or
	agglutinate(oblique_sg_base, 'ஐ',
		{  = true,  = true,  = true,
			 = true })
	data.dat_sg = args.dat_s or
	agglutinate(oblique_sg_base, 'க்கு',
		{  = true,  = true,  = true,
			 = true })
	data.dat_sg_2 = args.ben_s or
	agglutinate(oblique_sg_base, 'க்காக',
		{  = true,  = true,  = true,
			 = true })
	if (data.type_stem == "root-stem") then
		if not args.dat_s then
			data.dat_sg = agglutinate(oblique_sg_base, 'உக்கு',
				{  = true,  = true,  = true,
					 = true })
		end
		if not args.ben_s then
			data.dat_sg_2 = agglutinate(oblique_sg_base, 'உக்காக',
				{  = true,  = true,  = true,
					 = true })
		end
	end
	data.gen_sg = args.gen_s or
	agglutinate(oblique_sg_base, 'உடைய',
		{  = true,  = true,  = true,
			 = true })
	data.gen_sg_2 = args.gen2_s or
	agglutinate(oblique_sg_base, 'இன்',
		{  = true,  = true,  = true,
			 = true })
	data.loc_sg = args.loc_s or
	agglutinate(oblique_sg_base, 'இல்',
		{  = true,  = true,  = true,
			 = true })
	data.loc_sg_2 = args.loc2_s or
	agglutinate(oblique_sg_base, 'இடம்',
		{  = true,  = true,  = true,
			 = true })
	data.soc_sg = args.soc_s or
	agglutinate(oblique_sg_base, 'ஓடு',
		{  = true,  = true,  = true,
			 = true })
	data.soc_sg_2 = args.soc2_s or
	agglutinate(oblique_sg_base, 'உடன்',
		{  = true,  = true,  = true,
			 = true })
	data.ins_sg = args.ins_s or
	agglutinate(oblique_sg_base, 'ஆல்',
		{  = true,  = true,  = true,
			 = true })
	data.abl_sg = args.abl_s or
	agglutinate(oblique_sg_base, 'இலிருந்து',
		{  = true,  = true,  = true,
			 = true })

	data.nom_pl = args.nom_p or plu_base
	data.voc_pl = args.voc_p or
	agglutinate(plu_base, 'ஏ', {  = true,  = true })
	data.acc_pl = args.acc_p or
	agglutinate(plu_base, 'ஐ', {  = true,  = true })
	data.dat_pl = args.dat_p or
	agglutinate(plu_base, 'உக்கு', {  = true,  = true })
	data.dat_pl_2 = args.ben_p or
	agglutinate(plu_base, 'உக்காக', {  = true,  = true })
	data.gen_pl = args.gen_p or
	agglutinate(plu_base, 'உடைய', {  = true,  = true })
	data.gen_pl_2 = args.gen2_p or
	agglutinate(plu_base, 'இன்', {  = true,  = true })
	data.loc_pl = args.loc_p or
	agglutinate(plu_base, 'இல்', {  = true,  = true })
	data.loc_pl_2 = args.loc2_p or
	agglutinate(plu_base, 'இடம்', {  = true,  = true })
	data.soc_pl = args.soc_p or
	agglutinate(plu_base, 'ஓடு', {  = true,  = true })
	data.soc_pl_2 = args.soc2_p or
	agglutinate(plu_base, 'உடன்', {  = true,  = true })
	data.ins_pl = args.ins_p or
	agglutinate(plu_base, 'ஆல்', {  = true,  = true })
	data.abl_pl = args.abl_p or
	agglutinate(plu_base, 'இலிருந்து', {  = true,  = true })

	numbers = "both"
	if (args.num == "sg") or args == "-" then
		numbers = "singular only"
		data.nom_pl = "-"
		data.voc_pl = "-"
		data.acc_pl = "-"
		data.dat_pl = "-"
		data.dat_pl_2 = "-"
		data.gen_pl = "-"
		data.gen_pl_2 = "-"
		data.loc_pl = "-"
		data.loc_pl_2 = "-"
		data.soc_pl = "-"
		data.soc_pl_2 = "-"
		data.ins_pl = "-"
		data.abl_pl = "-"
	elseif (args.num == "pl") then
		numbers = "plural only"
		data.nom_sg = args.nom_s or "-"
		data.voc_sg = "-"
		data.acc_sg = "-"
		data.dat_sg = "-"
		data.dat_sg_2 = "-"
		data.gen_sg = "-"
		data.gen_sg_2 = "-"
		data.loc_sg = "-"
		data.loc_sg_2 = "-"
		data.soc_sg = "-"
		data.soc_sg_2 = "-"
		data.ins_sg = "-"
		data.abl_sg = "-"
	end

	local data_type = data.type_stem
	for k, v in pairs(data) do
		if type(v) == "table" then
			for k1, v1 in pairs(v) do
				if (v1 ~= "-") then
					data = '<span class="Taml">[[' ..
					v1 .. ']]</span> ' .. ' <br/><small style="color: #888">' .. m_translit.tr(v1) .. '</small>'
				end
			end
		else
			if (v ~= "-") then
				data = '<span class="Taml">[[' ..
				v .. ']]</span>' .. ' <br/><small style="color: #888">' .. m_translit.tr(v) .. '</small>'
			end
		end
	end
	data.base = base .. ' (' .. m_translit.tr(base) .. ')'
	data.type_stem = data_type
	data.numbers = numbers
	data.categories = categories

	return data
end

function export.show(frame)
	local args = clone_args(frame)
	local data = export.do_generate_forms(args)

	if (args.notes) then
		if (data.type_stem == "") then
			data.type_stem = args.notes
		else
			data.type_stem = data.type_stem .. ", " .. args.notes
		end
	end

	local header = ""
	if (data.type_stem ~= "" and data.type_stem ~= "root-stem") then
		header = data.type_stem .. " declension of " .. data.base
	else
		header = "Declension of " .. data.base
	end
	if (data.numbers ~= "both") then
		header = header .. " " .. "<small>(" .. data.numbers .. ")</small>"
	end
	
	local res = {}

	local output = frame:expandTemplate {
		title = 'inflection-table-top',
		args = {
			title = header,
			palette = 'blue',
			tall = 'yes',
			class = "tr-alongside"
		}
	} .. [=[
		!
		! singular
		! plural
		|-
		! nominative
		| {nom_sg}
		| {nom_pl}
		|-
		! vocative
		| {voc_sg}
		| {voc_pl}
		|-
		! accusative
		| {acc_sg}
		| {acc_pl}
		|-
		! dative
		| {dat_sg}
		| {dat_pl}
		|-
		! benefactive
		| {dat_sg_2}
		| {dat_pl_2}
		|-
		! genitive 1
		| {gen_sg}
		| {gen_pl}
		|-
		! genitive 2
		| {gen_sg_2}
		| {gen_pl_2}
		|-
		! locative 1
		| {loc_sg}
		| {loc_pl}
		|-
		! locative 2
		| {loc_sg_2}
		| {loc_pl_2}
		|-
		! sociative 1
		| {soc_sg}
		| {soc_pl}
		|-
		! sociative 2
		| {soc_sg_2}
		| {soc_pl_2}
		|-
		! instrumental
		| {ins_sg}
		| {ins_pl}
		|-
		! ablative
		| {abl_sg}
		| {abl_pl}
		]=] .. frame:expandTemplate {
		title = 'inflection-table-bottom',
	}
	
	table.insert(res, m_string_utilities.format(output, data))
	
	if (args.no_categories ~= "true" and mw.title.getCurrentTitle().nsText == "") then
		table.insert(res, data.categories)
	end

	return table.concat(res, "\n")
end

return export
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