Module:Table row counter/sandbox explained

-- This module counts table rows in wikitext.

local p = local getArgs

function p.main(frame) if not getArgs then getArgs = require('Module:Arguments').getArgs end return p._main(getArgs(frame,))end

function p._main(args) -- Get the title object. local titleObj do local success success, titleObj = pcall(mw.title.new, args.page) if not success or not titleObj then titleObj = mw.title.getCurrentTitle end end

-- Get the page content. local content = titleObj:getContent if not content then return nil end

-- Find the wikitables on that page. local wikitables = do local iWikitable = 0 local s1 = content:match('^(

)') if s1 then iWikitable = iWikitable + 1 wikitables[iWikitable] = s1 end for s in content:gmatch('\n()') do iWikitable = iWikitable + 1 wikitables[iWikitable] = s end end

-- Find the wikitable to work on. local wikitable if args.id then for i, s in ipairs(wikitables) do if s:match('^

%-', '\n

-') end -- Control for missing row markers at the start. if not wikitable:find('^ %-') then count = count + 1 end -- Control for extra row markers at the end. if wikitable:find('\n %-[^\n]-%s*\n $') then count = count - 1 end -- Subtract the number of rows to ignore, or the number of header -- rows if it's empty, and make sure the result isn't below zero. local headers headers = 0 if not args.include_headers then headers = wikitable:gsub('\n

%-\n!', '\n

-\n!') end if not wikitable:find('^ %-\n!') then headers = headers + 1 end count = count - (tonumber(args.ignore) or headers) if count < 0 then count = 0 end return countend return p