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Module:Check for clobbered parameters
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local p = {} local function trim(s) return s:match('^%s*(.-)%s*$') end local function isnotempty(s) return s and s:match('%S') end function p.check(frame) local args = frame.args local pargs = frame:getParent().args local checknested = isnotempty(args['nested']) local delimiter = isnotempty(args['delimiter']) and args['delimiter'] or ';' local argpairs = {} for k, v in pairs(args) do if type(k) == 'number' then local plist = mw.text.split(v, delimiter) local pfound = {} local count = 0 for ii, vv in ipairs(plist) do vv = trim(vv) if checknested and pargs[vv] or isnotempty(pargs[vv]) then count = count + 1 table.insert(pfound, vv) end end if count > 1 then table.insert(argpairs, pfound) end end end local warnmsg = {} local res = '' local cat = '' if args['cat'] and mw.ustring.match(args['cat'],'^[Cc][Aa][Tt][Ee][Gg][Oo][Rr][Yy]:') then cat = args['cat'] end local template = args['template'] and ' in ' .. args['template'] or '' if #argpairs > 0 then for i, v in ipairs( argpairs ) do table.insert( warnmsg, mw.ustring.format( 'Using more than one of the following parameters%s: <code>%s</code>.', template, table.concat(v, '</code>, <code>') ) ) if cat ~= '' then res = res .. '[[' .. cat .. '|' .. (v[1] == '' and ' ' or '') .. v[1] .. ']]' end end end if #warnmsg > 0 then res = require('Module:If preview')._warning({ table.concat(warnmsg, '<br>') }) .. res end return res end return p
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