Module:Delink

-- This module de-links one internal wikilink. It doesn't handle bad links, or links that use the pipe trick.

p = {}

function delinkPipeTrick(s) local linkarea, display = "", "" if mw.ustring.match(s, "%[%[|") then return mw.ustring.match(s, "%[%[|(.*)%]%]") elseif mw.ustring.match(s, ":") then s = mw.ustring.match(s, "%[%[.-:(.*)|%]%]") else s = mw.ustring.match(s, "%[%[(.*)|%]%]") end if mw.ustring.match(s, "%(.-%)$") then s = mw.ustring.match(s, "(.-) ?%(.-%)$") elseif mw.ustring.match(s, ",") then s = mw.ustring.match(s, "(.-),.*$") end return s end

local function delinkOne(text) if mw.ustring.match(text, "[^|].*|%]%]") or mw.ustring.match(text, "%[%[|") then -- Weed out the pipe tricks first. return delinkPipeTrick(text) end -- Find the link area and display area of the wikilink local linkarea, display if mw.ustring.match(text, "|") then -- Find if we're dealing with a piped link. linkarea, display = mw.ustring.match(text, "^%[%[(.-)|(.+)%]%]") else -- If the link isn't piped, the display area and the link area are the same. linkarea = mw.ustring.match(text, "^%[%[(.-)%]%]") display = linkarea end -- Check for bad links if mw.ustring.match(linkarea, "%[") or mw.ustring.match(linkarea, "%]") then error("Bad link detected. Bad links are not yet supported.") end return display end

local function _delink(args) local text = args[1] or "" text = mw.ustring.gsub(text, "%[%[.-%]%]", delinkOne) return text end

function p.delink(frame) local args if frame == mw.getCurrentFrame then -- We're being called via #invoke. If the invoking template passed any args, use -- them. Otherwise, use the args that were passed into the template. args = frame:getParent.args for k, v in pairs(frame.args) do           args = frame.args break end else -- We're being called from another module or from the debug console, so assume -- the args are passed in directly. args = frame end return _delink(args) end

return p