Module:In5

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Versie door Ahenket (overleg | bijdragen) op 17 jul 2013 om 09:58 (Nieuwe pagina aangemaakt met '-- This module implements {{in5}}. local p = {} function p.in5(frame) local indent = frame.args[1] -- Trim whitespace and convert to number. Default to 5 ...')
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-- This module implements {{#invoke:in5|in5|1=}}.

local p = {}

function p.in5(frame)

   local indent = frame.args[1]
   -- Trim whitespace and convert to number. Default to 5 if not present,
   -- as per the template title.
   indent = tonumber( mw.text.trim(indent) ) or 5
   -- Round down to nearest integer. Decimal values produce funky results
   -- from the original template, but there's no need for us to replicate that.
   indent = math.floor( indent )
   -- Don't output anything for zero or less. Again, there was some funky output
   -- here for negatives, but now we're in Lua we should use sane defaults.
   if indent <= 0 then
       return
   end
   
   local base = '  '
   local modulo = ' '

--[[

   Indent values and the corresponding values for base and modulo:
   indent  base    modulo
   1       0       1
   2       0       2
   3       1       1
   4       1       2
   5       2       1
   6       2       2
   7       3       1
   8       3       2
   9       4       1
   10      4       2

]]

   local baseNum = math.floor( (indent - 1) / 2 )
   local modNum = math.fmod( indent - 1 , 2 ) + 1
   
   return mw.ustring.rep( base, baseNum) .. mw.ustring.rep( modulo, modNum )

end

return p