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 cat = ''
if args['cat'] and mw.ustring.match(args['cat'],'^[Cc][Aa][Tt][Ee][Gg][Oo][Rr][Yy]:') then
cat = args['cat']
end
local res = ''
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 = {}
if #argpairs > 0 then
for i, v in ipairs( argpairs ) do
table.insert(warnmsg, 'Using more than one of the following parameters: <code>' ..
table.concat(v, '</code>, <code>') .. '</code>')
if cat ~= '' then
res = res .. '[[' .. cat .. '|' .. (v[1] == '' and ' ' or '') .. v[1] .. ']]'
end
end
end
if #warnmsg > 0 then
if frame:preprocess( "{{REVISIONID}}" ) == "" then
local ptxt = args['template'] and args['template'] .. ' warning' or 'Warning'
res = '<div class="hatnote" style="color:red"><strong>' .. ptxt .. ':</strong> ' .. table.concat(warnmsg, '<br>') .. '</div>' .. res
end
end
return res
end
return p
