Module:Check for unknown parameters
 Module documentationThis module is copied from the English Wikipedia page en:Module:Check for unknown parameters. It has no documentation, and relevant information may be found at the corresponding English Wikipedia documentation page. For more details see the editing history of the module. The above documentation is transcluded from Module:Check for unknown parameters/doc. |
-- This module may be used to compare the arguments passed to the parent-- with a list of arguments, returning a specified result if an argument is-- not on the listlocalp={}localfunctiontrim(s)returns:match('^%s*(.-)%s*$')endlocalfunctionisnotempty(s)returnsands:match('%S')endlocalfunctionclean(text)-- Return text cleaned for display and truncated if too long.-- Strip markers are replaced with dummy text representing the original wikitext.localpos,truncatedlocalfunctiontruncate(text)iftruncatedthenreturn''endifmw.ustring.len(text)>25thentruncated=truetext=mw.ustring.sub(text,1,25)..'...'endreturnmw.text.nowiki(text)endlocalparts={}forbefore,tag,remainderintext:gmatch('([^\127]*)\127[^\127]*%-(%l+)%-[^\127]*\127()')dopos=remaindertable.insert(parts,truncate(before)..'<'..tag..'>...</'..tag..'>')endtable.insert(parts,truncate(text:sub(posor1)))returntable.concat(parts)endfunctionp._check(args,pargs)iftype(args)~="table"ortype(pargs)~="table"then-- TODO: error handlingreturnend-- create the list of known args, regular expressions, and the return stringlocalknownargs={}localregexps={}fork,vinpairs(args)doiftype(k)=='number'thenv=trim(v)knownargs[v]=1elseifk:find('^regexp[1-9][0-9]*$')thentable.insert(regexps,'^'..v..'$')endend-- loop over the parent args, and make sure they are on the listlocalignoreblank=isnotempty(args['ignoreblank'])localshowblankpos=isnotempty(args['showblankpositional'])localvalues={}fork,vinpairs(pargs)doiftype(k)=='string'andknownargs[k]==nilthenlocalknownflag=falsefor_,regexpinipairs(regexps)doifmw.ustring.match(k,regexp)thenknownflag=truebreakendendifnotknownflagand(notignoreblankorisnotempty(v))thentable.insert(values,clean(k))endelseiftype(k)=='number'andknownargs[tostring(k)]==nilthenlocalknownflag=falsefor_,regexpinipairs(regexps)doifmw.ustring.match(tostring(k),regexp)thenknownflag=truebreakendendifnotknownflagand(showblankposorisnotempty(v))thentable.insert(values,k..' = '..clean(v))endendend-- add results to the output tableslocalres={}if#values>0thenlocalunknown_text=args['unknown']or'Found _VALUE_, 'ifmw.getCurrentFrame():preprocess("{{REVISIONID}}")==""thenlocalpreview_text=args['preview']ifisnotempty(preview_text)thenpreview_text=require('Module:If preview')._warning({preview_text})elseifpreview==nilthenpreview_text=unknown_textendunknown_text=preview_textendfor_,vinpairs(values)do-- Fix odd bug for | = which gets stripped to the empty string and-- breaks category linksifv==''thenv=' 'end-- avoid error with v = 'example%2' ("invalid capture index")localr=unknown_text:gsub('_VALUE_',{_VALUE_=v})table.insert(res,r)endendreturntable.concat(res)endfunctionp.check(frame)localargs=frame.argslocalpargs=frame:getParent().argsreturnp._check(args,pargs)endreturnp