Module:WikiLink
Documentation for this module may be created at Module:WikiLink/doc
local p = {}
function proc(text,fcn,args) -- processes text sequentially according to a list of functions separated by spaces fcn
text=text or ""
fcn=fcn or ""
local keepfile
repeat
fcnext=mw.ustring.match(fcn,"(%S+)")
if fcnext then
fcn=mw.ustring.gsub(fcn,fcnext,"") -- function names SHALL not contain pattern chars
if fcnext=="dewiki" then
-- protect all single [ and ] by temporarily converting to a password. This allows links to remain inside file text while doing only a dewiki
text=mw.ustring.gsub(text,"([^%[])%[([^%[])","%1<Module:WikiLink internal lsbracket token>%2")
text=mw.ustring.gsub(text,"^%[([^%[])","<Module:WikiLink internal lsbracket token>%1")
text=mw.ustring.gsub(text,"([^%[])%[$","%1<Module:WikiLink internal lsbracket token>")
text=mw.ustring.gsub(text,"([^%]])%]([^%]])","%1<Module:WikiLink internal rsbracket token>%2")
text=mw.ustring.gsub(text,"^%]([^%]])","<Module:WikiLink internal rsbracket token>%1")
text=mw.ustring.gsub(text,"([^%]])%]$","%1<Module:WikiLink internal rsbracket token>")
if keepfile then
text=mw.ustring.gsub(text,"%[%[%s*File:([^%[%]])%]%]","<Module:WikiLink internal filestart token>%1<Module:WikiLink internal 2rsbracket token>")
text=mw.ustring.gsub(text,"%[%[%s*Image:([^%[%]])%]%]","<Module:WikiLink internal imagestart token>%1<Module:WikiLink internal 2rsbracket token>")
end
-- process File: and Image: links, using alt text when available
text=mw.ustring.gsub(text,"%[%[File:[^%[%]]-|%s*alt=([^%[%]|]-)|[^%[%]]-%]%]","%1") -- case for File: where alt= text is present but not at end
text=mw.ustring.gsub(text,"%[%[Image:[^%[%]]-|%s*alt=([^%[%]|]-)|[^%[%]]-%]%]","%1") -- case for Image: where alt= text is present but not at end
text=mw.ustring.gsub(text,"%[%[File:[^%[%]]-|%s*alt=([^%[%]|]-)%]%]","%1") -- case for File: where alt= text is present at end
text=mw.ustring.gsub(text,"%[%[Image:[^%[%]]-|%s*alt=([^%[%]|]-)%]%]","%1") -- case for Image: where alt= text is present at end
text=mw.ustring.gsub(text,"%[%[[^%[%]]-|([^%[%]|]-)%]%]","%1") -- link, text separated by "|". Handles case of File: when no alt= is specified, -assuming- last field is the legend
text=mw.ustring.gsub(text,"%[%[([^%[%]|]-)%]%]","%1") -- link with no funny |s at all
-- deprotect all tokens
text=mw.ustring.gsub(text,"<Module:WikiLink internal lsbracket token>","[")
text=mw.ustring.gsub(text,"<Module:WikiLink internal rsbracket token>","]")
text=mw.ustring.gsub(text,"<Module:WikiLink internal filestart token>","[[File:")
text=mw.ustring.gsub(text,"<Module:WikiLink internal imagestart token>","[[Image:")
text=mw.ustring.gsub(text,"<Module:WikiLink internal 2rsbracket token>","]]")
elseif fcnext=="delink" then
text=mw.ustring.gsub(text,"%[%s*http://%S*%s+([^%]%[]+)%]","%1")
elseif fcnext=="wikiall" then
if args.space then
text=mw.ustring.gsub(text, "([^ %p]) ", "%1#spacetoken#")
text=mw.ustring.gsub(text,"(%S+)","[[%1]]")
text=mw.ustring.gsub(text, "(%S)#spacetoken#(%S)", "%1 %2")
else
text=mw.ustring.gsub(text,"(%S+)","[[%1]]")
end
elseif fcnext=="wikiline" then
text=mw.ustring.gsub(text,"([^\n]+)","[[%1]]")
elseif fcnext=="keepfile" then
keepfile=true
end -- if fcnext==etc.
if args.external then
text = mw.ustring.gsub(text,"%[%[([^%[%]]*)%]%]", function(x) return "[" .. args.external .. mw.ustring.gsub(mw.text.encode(x)," ","_") .. " " .. x .. "]" end)
end
end -- if fcnext
until not fcnext
return text --- when all functions are used up (or no valid function given) return the input text straight
end
function p.main(frame,fcn) -- gets the parameters and sets up to call proc
local args=frame.args
local parent=frame.getParent(frame)
if parent then pargs=parent.args else pargs={} end
local text=args.text or args[1] or pargs.text or pargs[1] or ""
local nowiki=args.nowiki or pargs.nowiki
fcn=(fcn or "") .. (args["function"] or pargs["function"] or "")
--local page=mw.title.getCurrentTitle() --- in the long run this cheesy tactic won't fly - I should rewrite as a proper module and recommend Module:Page invocation in the #invoke instead.
--if page then text=page.getContent(page) else return "error didn't get the page contents :(" end
text=proc(text,fcn,args)
if nowiki then text="<nowiki>" .. text .. "</nowiki>" end
return frame:preprocess(text)
end
--- the function "parameter" is added to the beginning of the list of functions to be performed as specified by "function =".
function p.dewiki(frame)
return p.main(frame,"dewiki ")
end
function p.delink(frame)
return p.main(frame,"delink ")
end
function p.wikiall(frame)
return p.main(frame,"wikiall ")
end
function p.wikiline(frame)
return p.main(frame,"wikiline ")
end
function p.keepfile(frame)
return p.main(frame,"keepfile ")
end
function p.keepfile_dewiki(frame)
return p.main(frame,"keepfile dewiki")
end
return p