Module:Script utilities

local export = {}

-- Implements Template:lang function export.lang_t(frame) local args = frame:getParent.args NAMESPACE = mw.title.getCurrentTitle.nsText local lang = args[1]; if lang == "" then lang = nil end local text = args[2] or "" local sc = args["sc"]; if sc == "" then sc = nil end local face = args["face"]; if face == "" then face = nil end lang = lang or (NAMESPACE == "Template" and "und") or error("Language code has not been specified. Please pass parameter 1 to the template.") lang = require("Module:languages").getByCode(lang) or error("The language code \"" .. lang .. "\" is not valid.") sc = (sc and (require("Module:scripts").getByCode(sc) or error("The script code \"" .. sc .. "\" is not valid.")) or nil) if not sc then sc = require("Module:scripts").findBestScript(text, lang) end return export.tag_text(text, lang, sc, face) end

-- Wrap text in the appropriate HTML tags with language and script class. function export.tag_text(text, lang, sc, face) -- Add a script wrapper if face == "term" then return '' .. text .. '' elseif face == "head" then return '' .. text .. ' '	elseif face == "bold" then return '' .. text .. '' elseif face == nil then return '' .. text .. ' '	else error("Invalid script face \"" .. face .. "\".") end end

-- Add a notice to request the native script of a word function export.request_script(lang, sc) local scripts = lang:getScripts -- By default, request for "native" script local cat_script = "native" local disp_script = "script" -- If the script was not specified, and the language has only one script, use that. if not sc and #scripts == 1 then sc = scripts[1] end -- Is the script known? if sc then -- If the script is Latin, return nothing. if is_Latin_script(sc) then return "" end if sc:getCode ~= scripts[1]:getCode then disp_script = sc:getCanonicalName end -- The category needs to be specific to script only if there is chance -- of ambiguity. This occurs when lang=und, or when the language has -- multiple scripts. if lang:getCode == "und" or scripts[2] then cat_script = sc:getCanonicalName end else -- The script is not known. -- Does the language have at least one non-Latin script in its list? local has_nonlatin = false for i, val in ipairs(scripts) do			if not is_Latin_script(val) then has_nonlatin = true break end end -- If there are non-Latin scripts, return nothing. if not has_nonlatin then return "" end end local category = "" if mw.title.getCurrentTitle.nsText ~= "Template" then category = "" end return " [" .. disp_script .. " needed] " .. category end

function export.template_rfscript(frame) local args = frame.args local lang = args[1] or error("The first parameter (language code) has not been given") local sc = args["sc"]; if sc == "" then sc = nil end lang = require("Module:languages").getByCode(lang) or error("The language code \"" .. lang .. "\" is not valid.") sc = (sc and (require("Module:scripts").getByCode(sc) or error("The script code \"" .. sc .. "\" is not valid.")) or nil) local ret = export.request_script(lang, sc) if ret == "" then error("This language is written in the Latin alphabet. It does not need a native script.") else return ret end end

function is_Latin_script(sc) return (sc:getCode:find("Latn", nil, true)) or sc:getCode == "Latinx" end

return export