Module:Duration

local p = {}

function p._error( error_str ) return ' Error in Module:Duration: ' .. error_str .. ' ' end

function p.main(frame) local args = require('Module:Arguments').getArgs(frame, {wrappers = {'Template:Duration', 'Template:Duration/sandbox'}}) local tmp = args.duration or args[1] or '' local duration = {} if tonumber(args[1]) or args[2] or args[3] then if args[4] then return p._error('Parameter number 4 should not be specified') end if not args[1] or args[1] == '' then duration = {args[2] or 0, args[3] or 0} else duration = {args[1], args[2] or 0, args[3] or 0} end tmp = nil for k, v in ipairs(duration) do			duration[k] = tonumber(v) if not duration[k] then return p._error('Invalid values') end end elseif args.h or args.m or args.s then if not args.h or args.h == '' then duration = {args.m or 0, args.s or 0} else duration = {args.h, args.m or 0, args.s or 0} end tmp = nil for k, v in ipairs(duration) do			duration[k] = tonumber(v) if not duration[k] then return p._error('Invalid values') end end else if mw.ustring.find(tmp, 'class="duration"', 1, yes) then return tmp end -- if there is already a microformat, don't do anything duration = mw.text.split(mw.ustring.match(tmp, '%d*:?%d+:%d+%.?%d*') or '', ':') -- split into table if duration[4] then return p._error('Maximum of two colons allowed') end for k, v in ipairs(duration) do duration[k] = tonumber(v) or 0 end -- convert values to numbers end if duration[3] then if (duration[1] + duration[2] + duration[3]) == 0 then return nil end if (duration[1] ~= math.ceil(duration[1])) or (duration[2] ~= math.ceil(duration[2])) then return p._error('Hours and minutes values must be integers') end if duration[3] >= 60 then return p._error('Seconds value must be less than 60') end if duration[2] >= 60 then return p._error('Minutes value must be less than 60 if hours value is specified') end if duration[2] < 10 then duration[2] = '0'..duration[2] end -- zero padding if duration[3] < 10 then duration[3] = '0'..duration[3] end duration = ' ' .. duration[1] .. ' : ' .. duration[2] .. ' : ' .. duration[3] .. ' '	elseif duration[2] then if (duration[1] + duration[2]) == 0 then return nil end if duration[1] ~= math.ceil(duration[1]) then return p._error('Hours and minutes values must be integers') end if duration[2] >= 60 then return p._error('Seconds value must be less than 60') end if duration[2] < 10 then duration[2] = '0'..duration[2] end -- zero padding duration = ' ' .. duration[1] .. ' : ' .. duration[2] .. ' '	else duration = '' end if tmp and tmp ~= '' then if duration ~= '' then tmp = mw.ustring.gsub(tmp, '%d*:?%d+:%d+%.?%d*', duration, 1) else tmp = tmp .. ' ' end else if duration ~= '' then tmp = duration end end return tmp end

return p