Modiwl:Check for unknown parameters
Documentation for this module may be created at Modiwl: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 listlocal p = {}
local function trim(s) return s​:​match​(​'^%s*(.-)%s*$'​)​end​
local function isnotempty(s) return s and trim(s) ~= ''end
function p.check (frame) local args = frame.args local pargs = frame​:​getParent​().​args local ignoreblank = isnotempty​(​frame​.​args​[​'ignoreblank'​]) local checkpos = isnotempty​(​frame​.​args​[​'checkpositional'​]) local knownargs = {} local unknown = frame.args['unknown'] or 'Found _VALUE_, ' local preview = frame.args['preview']
local res = {} local regexps = {} local comments = {} local commentstr = '' local ispreview = frame:preprocess( "{{REVISIONID}}" ) == "" and 1 or 0
-- create the list of known args, regular expressions, and the return string for k, v in pairs(args) do if type(k) == 'number' then v = trim(v) knownargs[v] = 1 elseif k​:​find​(​'^regexp[1-9][0-9]*$'​) then table.insert(regexps, '^' .. v .. '$') end end if isnotempty(preview) then preview = '<div class="hatnote" style="color:red"><strong>Warning:</strong> ' .. preview .. ' (this message is shown only in preview).</div>' elseif preview == nil then preview = unknown end if ispreview == 1 then unknown = preview ignoreblank = false end -- adds one result to the output tables local function addresult(k) if k == '' then -- Fix odd bug for | = which gets stripped to the empty string and -- breaks category links k = ' ' end local r = unknown​:​gsub​(​'_VALUE_'​, k) table.insert(res, r) table.insert​(​comments​, '"' .. k .. '"') end
-- loop over the parent args, and make sure they are on the list for k, v in pairs(pargs) do if type(k) == 'string' and knownargs[k] == nil then local knownflag = false for i, regexp in ipairs(regexps) do if mw.ustring.match(k, regexp) then knownflag = true break end end if not knownflag and ( not ignoreblank or isnotempty(v) ) then k = mw.ustring.gsub(k, '[^%w\-_ ]', '?') addresult(k) end elseif checkpos and type(k) == 'number' and knownargs[tostring(k)] == nil and ( not ignoreblank or isnotempty(v) ) then addresult(k) end end
if #comments > 0 then commentstr = '<!-- Module:Check for unknown parameters results: ' .. table.concat​(​comments​, ', ') .. '-->' end return table.concat(res) .. commentstrend
return p
Last edited on 25 Mawrth 2016, at 06:35
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