Module:Language

require('Module:No globals') local m_data = mw.loadData("Module:Language/data")

local p = {}

local sub = mw.ustring.sub local gsub = mw.ustring.gsub local find = mw.ustring.find local match = mw.ustring.match local lower = mw.ustring.lower local upper = mw.ustring.upper

local function checkForString(variable) return variable ~= "" and variable ~= nil end

local function makeLinkedName(languageCode) local data = m_data[languageCode] local article = data["article"] local name = data["Wikipedia_name"] or data["name"] return "" .. name .. ": " end

local function makeEntryName(word, languageCode) local data = m_data[languageCode] word = tostring(word) if word == nil then error("The function makeEntryName requires a string argument") elseif word == "" then return "" else -- Remove bold and italics, so that words that contain bolding or emphasis can be linked without piping. word = gsub(word, "\'\'\'", "") word = gsub(word, "\'\'", "") if data == nil then return word else local replacements = data and data["replacements"] if replacements == nil then return word else for regex, replacement in pairs(replacements) do word = gsub(word, regex, replacement) end return word end end end end

local function getCodes(codes, text) local languageCode, scriptCode, invalidCode local errorText if codes == nil or codes == "" then errorText = 'no language or script code provided' elseif find(codes, "^%s*%a%a%a?%s*$") or find(codes, "^%s*%a%a%a?%-%a%a%a%a%s*$") then -- A three- or two-letter lowercase sequence at beginning of first parameter languageCode = find(codes, "^%s*%a%a%a?") and ( match(codes, "^%s*(%l%l%l?)") or gsub( match(codes, "^%s*(%a%a%a?)"), "(%a%a%a?)", function(a) return lower(a) end, 1 ) ) -- One uppercase and three lowercase letters at the end of the first parameter scriptCode = find(codes, "%a%a%a%a%s*$") and ( match(codes, "(%u%l%l%l)%s*$") or gsub( match(codes, "(%a%a%a%a)%s*$"), "(%a)(%a%a%a)", function(a, b) return upper(a) .. lower(b) end, 1 ) ) elseif find(codes, "^%s*%a%a%a%-%a%a%a$") then languageCode = match(codes, "^%s*%l%l%l%-%l%l%l$") and match (codes, "^%s*%l%l%l%-%l%l%l$") or gsub(match(codes, "^%s*%a%a%a%-%a%a%a$"), "(%a%a%a?)", function(a) return lower(a) end, 1) elseif find(codes, "^%s*%a%a%a?") then languageCode, invalidCode = match(codes, "^%s*(%a%a%a?)%-?(.*)") languageCode = lower(languageCode) errorText = ''..invalidCode..' is not a valid script code.' elseif find(codes, "%-?%a%a%a%a%s*$") then invalidCode, scriptCode = match(codes, "(.*)%-?(%a%a%a%a)%s*$") scriptCode = gsub( scriptCode, "(%a)(%a%a%a)", function(a, b) return upper(a) .. lower(b) end ) errorText = ''..invalidCode..' is not a valid language code.' else errorText = ''..codes..' is not a valid language or script code.' end if not scriptCode then scriptCode = require("Module:Language/scripts").isLatn(text) and "Latn" or "unknown" end if errorText then errorText = ' [' .. errorText .. ']' else errorText = "" end return languageCode, scriptCode, errorText end

local function tag(text, languageCode, script, italics) local data = m_data[languageCode]

local italicize = script == "Latn" and italics

if not text then text = "[text?]" end

local textDirectionMarkers = { "", "", "" } if data and data["direction"] == "rtl" then textDirectionMarkers = { ' dir="rtl"', '‏', '‎' } end

local out = { textDirectionMarkers[2] } if italicize then table.insert(out, "" .. text .. "") else table.insert(out, "" .. text .. "") end table.insert(out, textDirectionMarkers[3])

return table.concat(out) end

function p.lang(frame) local parent = frame:getParent() local args = parent.args[1] and parent.args or frame.args

local codes = args[1] local text = args[2] or error("Provide text in the second parameter")

local languageCode, scriptCode, errorText = getCodes(codes, text)

local italics = args.italics or args.i italics = not (italics == "n" or italics == "-")

return tag(text, languageCode, scriptCode, italics) .. errorText end

local function linkToWiktionary(entry, linkText, languageCode) local data = m_data[languageCode] local name if languageCode then if data and data.name then name = data.name elseif mw.language.fetchLanguageName(languageCode, 'en') ~= "" then -- On other languages' wikis, use mw.getContentLanguage():getCode(), or replace with that wiki's language code. name = mw.language.fetchLanguageName(languageCode, 'en') else error("No name for the language " .. (languageCode or "nil") .. " could be found") end if sub(entry, 1, 1) == "*" then if name ~= "" then entry = "Reconstruction:" .. name .. "/" .. sub(entry, 2) else error("Language name is empty") end end if entry and linkText then return "" .. linkText .. "" else error("linkToWiktionary needs a Wiktionary entry or link text, or both") end else return "" .. linkText .. "" end end

function p.wiktlang(frame) local parent = frame:getParent() local args = parent.args[1] and parent.args or frame.args

local codes = args[1] or nil local word1 = args[2] or nil local word2 = args[3] or nil

local languageCode, scriptCode, errorText = getCodes(codes, word1)

local italics = args.italics or args.i italics = not (italics == "n" or italics == "-")

local entry, linkText if checkForString(word2) and checkForString(word1) then entry = makeEntryName(word1, languageCode) linkText = word2 elseif checkForString(word1) then entry = makeEntryName(word1, languageCode) linkText = word1 end

local out if languageCode and entry and linkText then out = tag(linkToWiktionary(entry, linkText, languageCode), languageCode, scriptCode, italics) elseif entry and linkText then out = linkToWiktionary(entry, linkText) else out = '[text?]' end

if out and errorText then return out .. errorText else return errorText or error("The function wiktlang generated nothing") end end

function p.wikt(frame) local parent = frame:getParent() local args = parent.args[1] and parent.args or frame.args

local codes = args[1] or nil local word1 = args[2] or nil local word2 = args[3] or nil

if not word1 then error("Provide a word in parameter 2.") end

local languageCode, scriptCode, errorText = getCodes(codes, word1)

local entry, linkText if checkForString(word2) and checkForString(word1) then entry = makeEntryName(word1, languageCode) linkText = word2 elseif checkForString(word1) then entry = makeEntryName(word1, languageCode) linkText = word1 end

local out if languageCode and entry and linkText then out = linkToWiktionary(entry, linkText, languageCode) elseif entry and linkText then out = linkToWiktionary(entry, linkText) else out = '[text?]' end

if out and errorText then return out and out .. errorText else return errorText or error("The function wikt generated nothing") end end

return p