Module:Team appearances list/show

-- For testing, show results using data from Module:Team appearances list/data.

local Collection = {} Collection.__index = Collection do function Collection:add(item) if item ~= nil then self.n = self.n + 1 self[self.n] = item end end function Collection:join(sep) return table.concat(self, sep) end function Collection:sort(comp) table.sort(self, comp) end function Collection.new return setmetatable({n = 0}, Collection) end end

local function get_page_content(page_title) local t = mw.title.new(page_title) if t then local content = t:getContent if content then if content:sub(-1) ~= '\n' then content = content .. '\n' end return content end end error('Could not read wikitext from "' .. page_title .. '".', 0) end

local function make_data(modname) -- Return a list of tables for each competition/team in the order used in	-- the data module, based on a hope that the data module is consistently -- indented with one tab before competitions and two or more before teams, -- and quotes (") are used for strings (not apostrophes).	local content = get_page_content(modname)	local lnum = 0	local current_games	local items = Collection.new	for line in string.gmatch(content, '(.-)\n') do		lnum = lnum + 1		local indent, title = line:match('^(\t+)%["(.-)"%]')		if indent then			if indent == '\t' then				current_games = title			else				items:add({					competition = current_games,					team = title,					line = lnum,				})			end		end	end	return items end

local function main(frame) local title = frame.args[1] if title == nil or title == '' then return 'Error: Parameter 1 must specify name of data module' end local sandbox = title:find('sandbox', 1, true) and '/sandbox' or '' local lister = require('Module:Team appearances list' .. sandbox)._main local lines = Collection.new local current_games for _, item in ipairs(make_data(title)) do		if current_games ~= item.competition then current_games = item.competition lines:add('==' .. current_games .. '==') end lines:add(item.team .. ' (line ' .. item.line .. ') ' .. lister(item)) end return lines:join('\n') end

return { main = main }