local p = {}
-- List of RTL language codes
local rtl_langs = {
ar = true, he = true, fa = true, ur = true,
ps = true, prs = true, syr = true, ckb = true,
}
-- Detect RTL by lang code (e.g. "ar", "he", etc.)
local function is_rtl(code)
if not code then return false end
code = code:lower():gsub("^%s*(.-)%s*$", "%1")
return rtl_langs[code] or false
end
function p.render(frame)
local args = frame:getParent().args
-- Language names and codes
local lang1 = args["lang1"] or args[1]
local lang2 = args["lang2"] or args[2]
local code1 = args["lang1code"]
local code2 = args["lang2code"]
if not lang1 or not lang2 then
return "Error: You must specify two language names."
end
-- Determine directionality
local dir1 = is_rtl(code1) and ' dir="rtl"' or ' dir="ltr"'
local dir2 = is_rtl(code2) and ' dir="rtl"' or ' dir="ltr"'
-- Add lang attribute if code is present
local langAttr1 = code1 and (' lang="' .. code1 .. '"') or ""
local langAttr2 = code2 and (' lang="' .. code2 .. '"') or ""
-- Begin table
local output = {}
table.insert(output, '{| class="wikitable sortable"')
table.insert(output, string.format("! %s !! %s", lang1, lang2))
-- Named parameters: text1/trans1 etc.
local i = 1
while true do
local text = args["text" .. i]
local trans = args["trans" .. i]
if not text and not trans then break end
table.insert(output, string.format('|-\n|%s%s %s ||%s%s %s',
dir1, langAttr1, text or "", dir2, langAttr2, trans or ""))
i = i + 1
end
-- Positional parameters: 3,4,5,...
local index = 3
while true do
local text = args[index]
local trans = args[index + 1]
if not text and not trans then break end
table.insert(output, string.format('|-\n|%s%s %s ||%s%s %s',
dir1, langAttr1, text or "", dir2, langAttr2, trans or ""))
index = index + 2
end
table.insert(output, "|}")
return table.concat(output, "\n")
end
return p
