local p =
-- Returns the union of the values of two tables, as a sequence.local function union(t1, t2)
local vals = for k, v in pairs(t1) do vals[v] = true end for k, v in pairs(t2) do vals[v] = true end local ret = for k, v in pairs(vals) do table.insert(ret, k) end return retend
-- Returns a table containing the numbers of the arguments that exist-- for the specified prefix. For example, if the prefix was 'data', and-- 'data1', 'data2', and 'data5' exist, it would return .local function get_arg_nums(args, prefix) local nums = for k, v in pairs(args) do local num = tostring(k):match('^' .. prefix .. '([1-9]%d*)$') if num then table.insert(nums, tonumber(num)) end end table.sort(nums) return numsend
local function trim_args(args) local new_args = for k,v in pairs(args) do new_args[k] = mw.text.trim(v) end return new_argsend
local function responses_have_signatures(response, response_signature) return response and response ~= and response_signature and response_signature ~= end
local function get_responses(args) local response_numbers = union(get_arg_nums(args, 'response'), get_arg_nums(args, 'response signature') ) table.sort(response_numbers) local responses = local response_signatures = for _, num in ipairs(response_numbers) do local response = args['response' .. num] local response_signature = args['response signature' .. num] if not responses_have_signatures(response, response_signature) then error('|response' .. num .. '= or |response signature' .. num .. '= is missing') end table.insert(responses, response) table.insert(response_signatures, response_signature) end return responses, response_signaturesend
local function wordcount(word_limit, statement, signature, responses, response_signatures) -- this actually gets the word count. we slightly overcount because this is -- wikitext, so things like '\n* ' and elinks will cause an extra word. -- we can get a count of the '*' and similar constructs separately if we want. -- but parsing wikitext to count links is :(-- tables are doomed and probably would just always be better placed on a -- different page than the primary statements are. -- from https://stackoverflow.com/questions/29133416/how-to-count-the-amount-of-words-in-a-text-file-in-lua local _, n_statement = mw.ustring.gsub(statement .. table.concat(responses, '\n'), '%S+', ) if n_statement > word_limit then error('Too many words') end if n_statement <= 0 then error('No words') end
if not signature or signature
function p.statement(frame) local args = trim_args(frame.args)
local statement = args.statement or local signature = args.signature or local added_words = tonumber(args['added words']) or 0 local word_limit = 500 + added_words local responses, response_signatures = get_responses(args) return wordcount(word_limit, statement, signature, responses, response_signatures)end
return p