Модуль:Check for unknown parameters
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Для документации этого модуля может быть создана страница Модуль: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 list
local p = {}
local function trim(s)
return s:match('^%s*(.-)%s*$')
end
local function isnotempty(s)
return s and trim(s) ~= ''
end
function p.check (frame)
local args = frame.args
local pargs = frame:getParent().args
local ignoreblank = isnotempty(frame.args['ignoreblank'])
local showblankpos = isnotempty(frame.args['showblankpositional'])
local knownargs = {}
local unknown = frame.args['unknown'] or 'Found _VALUE_, '
local preview = frame.args['preview']
local values = {}
local res = {}
local regexps = {}
-- create the list of known args, regular expressions, and the return string
for k, v in pairs(args) do
if type(k) == 'number' then
v = trim(v)
knownargs[v] = 1
elseif k:find('^regexp[1-9][0-9]*$') then
table.insert(regexps, '^' .. v .. '$')
end
end
if isnotempty(preview) then
preview = '<div class="hatnote" style="color:red"><strong>Предупреждение:</strong> ' .. preview .. ' (это сообщение видно только при предпросмотре страницы).</div>'
elseif preview == nil then
preview = unknown
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\-_ ]', '?')
table.insert(values, k)
end
elseif type(k) == 'number' and
knownargs[tostring(k)] == nil and
( showblankpos or isnotempty(v) )
then
local vlen = mw.ustring.len(v)
v = mw.ustring.sub(v, 1, (vlen < 25) and vlen or 25)
v = mw.ustring.gsub(v, '[^%w\-_ ]', '?')
table.insert(values, k .. ' = ' .. v .. ((vlen >= 25) and ' ...' or ''))
end
end
-- add resuls to the output tables
if #values > 0 then
if frame:preprocess( "{{REVISIONID}}" ) == "" then
unknown = preview
end
for k, v in pairs(values) do
if v == '' then
-- Fix odd bug for | = which gets stripped to the empty string and
-- breaks category links
v = ' '
end
local r = unknown:gsub('_VALUE_', v)
table.insert(res, r)
end
end
return table.concat(res)
end
function p.generate (frame)
local res = '{{#invoke:check for unknown parameters|check\n' ..
'|unknown=' .. frame.args['unknown'] .. '\n'
local checkerparams = {'ignoreblank', 'preview', 'showblankpositional'}
for _, v in pairs(checkerparams) do
if frame.args[v] then
res = res .. '|' .. v .. '=' .. frame.args[v] .. '\n'
end
end
local templatenamespace = frame.args[1]
local templatetitle = frame.args[2]
local pagepointer = mw.title.new(templatetitle, templatenamespace) -- именно такой порядок!
local text = pagepointer.getContent(pagepointer)
local params = {}
for param in string.gmatch(text, '\{\{\{([^\|\}]*)') do
params[#params+1] = mw.text.trim(param)
end
table.sort(params)
for k, v in pairs(params) do
if k == 1 or v ~= params[k-1] then
res = res .. '|' .. v
end
end
res = res .. '}}'
return res
end
return p