Modul:language utilities

--local export = {}

-- Look up an item from the table of language data, and return it.
-- This function allows templates to access this data.
-- Returns an empty string if the item does not exist.
--function export.lookup_language(frame)
--    local languages = mw.loadData("Modul:languages")
--    
--    local args = frame.args
--    local lang = args[1] or error("Language code has not been specified. Please pass parameter 1 to the module invocation.")
--    local langinfo = languages[lang] or error("The language code \"" .. lang .. "\" is not valid.")
    
    -- The item that the caller wanted to look up
--    local itemname = args[2] or error("Type of information to look up has not been specified. Please pass parameter 2 to the module invocation.")
--    local item = langinfo[itemname] or ""
    
--    if type(item) == "table" then
--        return item[tonumber(args[3] or 1)] or ""
--    else
--        return item or ""
--    end
--end

--function export.lookup_family(frame)
--    local families = mw.loadData("Modul:families")
    
--    local args = frame.args
--    local fam = args[1] or error("Family code has not been specified. Please pass parameter 1 to the module invocation.")
--    local faminfo = families[fam] or error("The family code \"" .. fam .. "\" is not valid.")
    
--    -- The item that the caller wanted to look up
--    local itemname = args[2] or error("Type of information to look up has not been specified. Please pass parameter 2 to the module invocation.")
--    local item = faminfo[itemname] or ""
    
--    if type(item) == "table" then
--        return item[tonumber(args[3] or 1)] or ""
--    else
--        return item or ""
--    end
--end

--function export.language_exists(frame)
--    local languages = mw.loadData("Modul:languages")
    
--    local args = frame.args
--    local lang = args[1] or error("Language code has not been specified. Please pass parameter 1 to the module invocation.")
    
--    if languages[lang] then
--        return "1"
--    else
--        return ""
--    end
--end

--function export.family_exists(frame)
--    local families = mw.loadData("Modul:families")
    
--    local args = frame.args
--    local fam = args[1] or error("Family code has not been specified. Please pass parameter 1 to the module invocation.")
    
--    if families[fam] then
--        return "1"
--    else
--        return ""
--    end
--end

--return export