模組:Dercat

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此模块缺少說明文檔。請協助創建。

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local m_languages = require("Module:languages")

local export = {}

function export.dercat(frame)
	local parameters = {
		[1] = { required = true },
		[2] = { list = true, required = true },
		["inh"] = { type = "number" },
		
	}
	local args = require("Module:parameters").process(frame:getParent().args, parameters)
	
	local target_lang = m_languages.getByCode(args[1], 1)
	local target_lang_name = target_lang:getCanonicalName()
	local categories = {}
	local function add_category(adjective, source_lang_name)
		if target_lang_name == source_lang_name and adjective == "派生" then
			table.insert(categories, target_lang_name .. "回借詞")
		elseif adjective == "派生" then
			table.insert(categories, adjective .. "自" .. source_lang_name .. "的" .. target_lang_name .. "詞")
		else
			table.insert(categories, "源自" .. source_lang_name .. "的" .. target_lang_name .. adjective .. "詞")
		end
	end
	local has_cutoff = false
	for _, lang_code in ipairs(args[2]) do
		if lang_code == "<" then
			has_cutoff = true
			break
		end
	end
	for i, source_lang_code in ipairs(args[2]) do
		-- Accept family and etymology language codes.
		if source_lang_code == "<" then
			has_cutoff = false
		else
			local source_lang_name = m_languages.getByCode(source_lang_code, i, true, true):getDisplayForm()
			add_category("派生", source_lang_name)
			if has_cutoff or (args.inh and i <= args.inh) then
				add_category("繼承", source_lang_name)
			end
		end
	end
	return require("Module:utilities").format_categories(categories, target_lang)
end

return export