မဝ်ဂျူ:rif-headword

---

local lang = require("Module:languages").getByCode("rif")
local export = {}
local pos_functions = {}

local u = mw.ustring.char

-----------------------
-- Utility functions --
-----------------------

-- If Not Empty
local function ine(arg)
	if arg == "" then
		return nil
	else
		return arg
	end
end

local function list_to_set(list)
	local set = {}
	for _, item in ipairs(list) do
		set[item] = true
	end
	return set
end

-- version of mw.ustring.gsub() that discards all but the first return value
function rsub(term, foo, bar)
	local retval = mw.ustring.gsub(term, foo, bar)
	return retval
end

local rfind = mw.ustring.find

-- Tracking functions

local trackfn = require("Module:debug").track

function track(page)
	trackfn("rif-headword/" .. page)
	return true
end

local function glossary_link(entry, text)
	text = text or entry
	return "[[Appendix:Glossary#" .. entry .. "|" .. text .. "]]"
end

local function append_cat(data, pos)
	table.insert(data.categories, lang:getCanonicalName() .. " " .. pos)
end

function remove_links(text)
	text = rsub(text, "%[%[[^|%]]*|", "")
	text = rsub(text, "%[%[", "")
	text = rsub(text, "%]%]", "")
	return text
end

local function make_unused_key_tracker(t)
	local unused_keys = require "Module:table".listToSet(require "Module:table".keysToList(t))
	local mt = {
		__index = function(self, key)
			if key ~= nil then
				unused_keys[key] = nil
			end
			return t[key]
		end,
		__newindex = function(self, key, value)
			t[key] = value
		end
	}
	local proxy_table = setmetatable({}, mt)
	return proxy_table, unused_keys
end

local function otherscript(inflections, args)
    local title = mw.title.getCurrentTitle()
    local sc = require("Module:scripts").findBestScript(title.subpageText, lang)

    local other_sc

    if sc:getCode() == "Latn" then
        other_sc = require("Module:scripts").getByCode("Tfng")
        local inflection = {label = "ခ္ဍံက်လိက်" .. other_sc:getCanonicalName()}

        if not tr then
            tr = require("Module:Latn-Tfng-translit").tr(
                     require("Module:links").remove_links(
                         mw.title.getCurrentTitle().text), "rif", sc:getCode())
        end

        table.insert(inflection, {term = tr, sc = other_sc})

        table.insert(inflections, inflection)
    end
end

-- The main entry point.
function export.show(frame)
	
	local PAGENAME = mw.title.getCurrentTitle().text
	
	local poscat = frame.args[1] or error("Part of speech has not been specified. Please pass parameter 1 to the module invocation.")
	
	local params = {
		[1] = {list = "head", allow_holes = true, default = ""},
		["head"] = {default = ""},
        ["tr"] = {list = true, allow_holes = true}
	}
	
	local args, unused_keys = make_unused_key_tracker(frame:getParent().args)
	
	-- Gather parameters
	local data = {lang = lang, pos_category = poscat, categories = {}, heads = {}, translits = {}, genders = {}, inflections = {}}
	
	otherscript(data.inflections, args)
	
	if pos_functions[poscat] then
		pos_functions[poscat].func(args, data)
	end

    local unused_key_list = require"Module:table".keysToList(unused_keys)
    if #unused_key_list > 0 then
        local unused_key_string = require "Module:array"(unused_key_list):map(
                                      function(key)
                return "|" .. key .. "=" .. args[key]
            end):concat("\n")
        error("Unused arguments: " .. unused_key_string)
    end
	
	return require("Module:headword").full_headword(data)
end

-- Get a list of inflections. See handle_infl() for meaning of ARGS, ARGPREF
-- and DEFGENDER.
local function getargs(args, argpref, defgender)
	-- Gather parameters
	local forms = {}

    if ine(args[position]) then
        form = ine(args[position])
    else 
		form = ine(args[argpref])
    end

	local translit = ine(args[argpref .. "tr"])
	local gender = ine(args[argpref .. "g"])
	local gender2 = ine(args[argpref .. "g2"])
	local i = 1
	
	while form do
		local genderlist = (gender or gender2) and {gender, gender2} or defgender and {defgender} or nil
		
		table.insert(forms, {term = form, translit = translit, genders = genderlist})

		i = i + 1
		form = ine(args[argpref .. i])
		translit = ine(args[argpref .. i .. "tr"])
		gender = ine(args[argpref .. i .. "g"])
		gender2 = ine(args[argpref .. i .. "g2"])
	end

	return forms
end

local function handle_infl(args, data, argpref, label, defgender, position)
	local newinfls = getargs(args, argpref, defgender, position)
	newinfls.label = label

	if #newinfls > 0 then
		table.insert(data.inflections, newinfls)
	end
end

local function handle_all_infl(args, data, argpref, label, nobase, position)
	if not nobase and argpref ~= "" then
		handle_infl(args, data, argpref, label, nil, position)
	end
	
	local labelsp = label == "" and "" or label .. " "
	handle_infl(args, data, argpref .. "cons", labelsp .. "construct state")
end

-- Handle the case where pl=-, indicating an uncountable noun.
local function handle_noun_plural(args, data)
	if args["pl"] == "-" then
		table.insert(data.inflections, {label = "မကၠောန်ကၠုၚ်လဝ်တော်ဟွံမာန်"})

	else
		handle_infl(args, data, "pl", "plural")
	end
end

local valid_genders = list_to_set(
	{"s", 
     "m", "m-s",
	 "f", "f-s",
	 "m-p", "f-p", "p",
    })

local function is_masc_sg(g)
	return g == "m" or g == "m-s" or g == "m-p"
end
local function is_fem_sg(g)
	return g == "f" or g == "f-s" or g == "f-p"
end

local function handle_gender(args, data, default, nonlemma)
	
	local PAGENAME = mw.title.getCurrentTitle().text
	
	local g = ine(args[1]) or default
	local g2 = ine(args["g2"])

	local function process_gender(g)
		if not g then
			table.insert(data.genders, "?")
		elseif valid_genders[g] then
			table.insert(data.genders, g)
		else
			error("Unrecognised gender: " .. g)
		end
	end

	process_gender(g)
	if g2 then
		process_gender(g2)
	end

	if nonlemma then
		return
	end
	
	if g and g2 then
		append_cat(data, "terms with multiple genders")
	end
end

-- Part-of-speech functions

function handle_noun_infls(args, data, singonly)
	handle_all_infl(args, data, "", "")
	
	if not singonly then
		handle_all_infl(args, data, "d", "dual")
		handle_noun_plural(args, data)
		handle_all_infl(args, data, "pl", "plural", "nobase")
	end
	
	handle_all_infl(args, data, "f", "ဣတ္တိလိင်")
	handle_all_infl(args, data, "m", "ပုလ္လိၚ်")
	
	if not singonly then
		handle_all_infl(args, data, "dim", "လဟုတ်စှ်ေ")
	end
end

pos_functions["နာမ်"] = {
	func = function(args, data)
		handle_gender(args, data)
		handle_noun_infls(args, data)
	end
}

function handle_sing_coll_noun_infls(args, data)
	handle_all_infl(args, data, "", "")
	handle_all_infl(args, data, "d", "dual")
	handle_noun_plural(args, data)
	handle_all_infl(args, data, "pl", "plural", "nobase")
end

pos_functions["collective nouns"] = {
	func = function(args, data)
		data.pos_category = "နာမ်"

		table.insert(data.inflections, { label = glossary_link("collective") })

		handle_gender(args, data, "m")
		-- Handle sing= (the corresponding singulative noun) and singg= (its gender)
		handle_infl(args, data, "sing", "singulative", "f")
		handle_sing_coll_noun_infls(args, data)
	end
}

pos_functions["singulative nouns"] = {
	func = function(args, data)
		data.pos_category = "နာမ်"

		table.insert(data.inflections, { label = glossary_link("ကိုန်ဨကဝုစ်") })

		handle_gender(args, data, "f")
		-- Handle coll= (the corresponding collective noun) and collg= (its gender)
		handle_infl(args, data, "coll", "collective", "m")
		handle_sing_coll_noun_infls(args, data)
	end
}

pos_functions["နာမဝိသေသန"] = {
	func = function(args, data)
		handle_noun_infls(args, data)
	end
}

pos_functions["သဗ္ဗနာမ်"] = {
	params = {
		[1] = {},
		["g2"] = {}
		},
	func = function(args, data)
        if ine(args[1]) or ine(args["g2"]) then
            handle_gender(args, data)
        end
	end
}

pos_functions["နာမ်မကိတ်ညဳ"] = {
	func = function(args, data)
		handle_gender(args, data)
	end
}

return export