Module:Years_generator

local p = {} --p stands for package

function p.templateEveryYearToPresent ( frame ) -- use the parent args if available, assuming this is embedded in a template parentArgs = frame:getParent().args argsToUse = ((parentArgs[1] and parentArgs) or frame.args)

years = yearsFromYearToPresent( argsToUse[1] ) toReturn = ""

templateArgs = {} templateDoNotConsume = {}

-- allow transcluding templates to specify arguments they consume, -- so we should ignore them for arg in mw.text.gsplit( frame.args['templatedonotconsume'] or , ',', true ) do templateDoNotConsume[arg] = true end

for key, arg in pairs( argsToUse ) do -- taking everything beyond the second arg, we pass it onto the template -- this includes named args, so we don't want to just do > 2 if ( key ~= 1 and key ~= 2 and not templateDoNotConsume[key] ) then numericKey = tonumber( key ) if ( numericKey ) then -- templateArgs[1] will always be the year (lua arrays start at 1) -- templateArgs[2] should be the first other template param -- which is args[3], so we have here [key - 1] templateArgs[key - 1] = arg else -- named params we just shove in templateArgs[key] = arg end end end

for index, year in ipairs( years ) do templateArgs[1] = tostring( year ) toReturn = toReturn .. ( index == 0 and or '
' ) .. "" .. templateArgs[1] .. " — " -- if parentArgs is used, then frame.args[1] will be the template, -- as no other args are going to be in the immediate frame. if -- there are no parentArgs, then it'll be the second param, -- because the year will have been directly passed to the module .. frame:expandTemplate{ title = ((parentArgs[1] and frame.args[1]) or frame.args[2]), args = templateArgs } end return toReturn end

function yearsFromYearToPresent( year ) startyear = tonumber( year ) if ( startyear == nil ) then error( "Invalid start year provided" ) end

years = {}

   numyears = ( tonumber( os.date( "%Y" ) ) - startyear )
   for numadded = 0, numyears do -- equiv of i = 0; i <= numyears; i++
   	years[numadded + 1] = startyear + numadded
   end

return years end

return p