Module:labels2

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See also: subpages of this module.
-- This was copied and only slightly adapted from [[Module:labels]]. It is hoped the two modules will be merged in the future.
local m_labeldata = mw.loadData("Module:labels2/data")
local m_utilities = require("Module:utilities")
 
local export = {}
 
-- The main entry point.
-- This is the only function that can be invoked from a template.
function export.show(frame)
	local args = frame:getParent().args
	NAMESPACE = mw.title.getCurrentTitle().nsText
	local compat = (frame.args["compat"] or "") ~= ""
 
	-- Gather parameters
	local lang = args[(compat and "lang" or 1)]; if lang == "" then lang = nil end
	local nocat = args["nocat"]; if nocat == "" then nocat = nil end
	local script = args["script"]; if script == ""  then script = nil end
	local script2 = args["script2"]; if script2 == ""  then script2 = nil end
	local sort_key = args["sort"]; if sort_key == ""  then sort_key = nil end
	local sort_key2 = args["sort2"]; if sort_key2 == ""  then sort_key2 = nil end
 
	if not lang then
		if NAMESPACE == "Template" then
			lang = "und"
		elseif compat then
			lang = "en"
		else
			error("Language code has not been specified. Please provide it to the template using the first parameter.")
		end
	end
 
	lang = require("Module:languages").getByCode(lang)
 
	-- Gather the labels
	local labels = {}
 
	local i = (compat and 1 or 2)
	local label = args[i]; if label == "" then label = nil end
 
	while label do
		table.insert(labels, label)
		i = i + 1
		label = args[i]; if label == "" then label = nil end
	end
 
	if #labels < 1 then
		if NAMESPACE == "Template" then
			labels = {"example"}
		else
			error("You must specify at least one label.")
		end
	end
 
	-- Show the labels
	local omit_preComma = false
	local omit_postComma = false
 
	for i, label in ipairs(labels) do
		if omit_postComma then
			omit_preComma = true
			omit_postComma = false
		end
 
		if m_labeldata.aliases[label] then
			label = m_labeldata.aliases[label]
		end
 
		local data = export.get_data(label)
 
		label = data.display or label
 
		local omit_comma = omit_preComma or data.omit_preComma
		omit_preComma = false
		omit_postComma = data.omit_postComma
 
		if i > 1 then
			label = (not omit_comma and "<span class=\"ib-comma\">,</span>" or "") .. "&#32;" .. label
		end
 
		labels[i] = label .. (nocat and "" or show_categories(data, lang, script, sort_key, script2, sort_key2))
	end
 
	return
		"<span class=\"ib-brac\">(</span><span class=\"ib-content\">" ..
		table.concat(labels, "") ..
		"</span><span class=\"ib-brac\">)</span>"
end
 
function show_categories(data, lang, script, sort_key, script2, sort_key2)
	local categories = {}
	local categories2 = {}
 
	for i, cat in ipairs(data.topical_categories or {}) do
		table.insert(categories, lang:getCode() .. ":" .. cat)
 
		if script then
			table.insert(categories, lang:getCode() .. ":" .. cat .. " in " .. script .. " script")
		end
 
		if script2 then
			table.insert(categories2, lang:getCode() .. ":" .. cat .. " in " .. script2 .. " script")
		end
	end
 
	for i, cat in ipairs(data.pos_categories or {}) do
		table.insert(categories, lang:getCanonicalName() .. " " .. cat)
 
		if script then
			table.insert(categories, lang:getCanonicalName() .. " " .. cat .. " in " .. script .. " script")
		end
 
		if script2 then
			table.insert(categories2, lang:getCanonicalName() .. " " .. cat .. " in " .. script2 .. " script")
		end
	end
 
	for i, cat in ipairs(data.regional_categories or {}) do
		table.insert(categories, cat .. " " .. lang:getCanonicalName())
 
		if script then
			table.insert(categories, cat .. " " .. lang:getCanonicalName() .. " in " .. script .. " script")
		end
 
		if script2 then
			table.insert(categories2, cat .. " " .. lang:getCanonicalName() .. " in " .. script2 .. " script")
		end
	end
 
	for i, cat in ipairs(data.plain_categories or {}) do
		table.insert(categories, cat)
 
		if script then
			table.insert(categories, cat .. " in " .. script .. " script")
		end
 
		if script2 then
			table.insert(categories2, cat .. " in " .. script2 .. " script")
		end
	end
 
	return m_utilities.format_categories(categories, lang, sort_key) .. m_utilities.format_categories(categories2, lang, sort_key2)
end
 
-- Get the data for a label, if any is available.
function export.get_data(label)
	local data = {}
 
	-- Is this label a known/recognised label?
	if m_labeldata.labels[label] then
		data = m_labeldata.labels[label]
	else
		-- Does a valid context label template exist for this label?
		local label_template = mw.title.new("Template:" .. label)
		local frame = mw.getCurrentFrame()
 
		if label_template and label_template.exists and frame:expandTemplate{ title = label, args = { ["sub"] = "test" } } == "valid context label" then
			data.display = frame:expandTemplate{ title = label, args = {["sub"] = "helper", [1] = "label"} }; if data.display == "" then data.display = nil end
			data.omit_postComma = frame:expandTemplate{ title = label, args = {["sub"] = "helper", [1] = "next"} }; if data.omit_postComma == "" then data.omit_postComma = nil end
			data.topical_categories = frame:expandTemplate{ title = label, args = {["sub"] = "helper", [1] = "topcat"} }; if data.topical_categories == "" then data.topical_categories = nil end
			data.pos_categories = frame:expandTemplate{ title = label, args = {["sub"] = "helper", [1] = "poscat"} }; if data.pos_categories == "" then data.pos_categories = nil end
			data.regional_categories = frame:expandTemplate{ title = label, args = {["sub"] = "helper", [1] = "regcat"} }; if data.regional_categories == "" then data.regional_categories = nil end
			data.plain_categories = frame:expandTemplate{ title = label, args = {["sub"] = "helper", [1] = "cat"} }; if data.plain_categories == "" then data.plain_categories = nil end
 
			data.topical_categories = data.topical_categories and {data.topical_categories} or nil
			data.pos_categories = data.pos_categories and {data.pos_categories} or nil
			data.regional_categories = data.regional_categories and {data.regional_categories} or nil
			data.plain_categories = data.plain_categories and {data.plain_categories} or nil
		end
	end
 
	return data
end
 
return export