Module:Explode

Documentation for this module may be created at Module:Explode/Documentation

--[[
This module is used to explode a passed string into parts. First parameter is the divider string to divide the string at. The second parameter is the string.
]]--
local p = {}
 
function p.explode(frame)
--[[
By Notmyhandle, working August 9th, 2014, compatibility is Lua 5.1 or 5.2, not sure
args:
1:string
2:delimiter character (divider character)
]]--
  --If no string is present, don't waste any more time.
  if (frame.args[1]=='') then return false end
 
  local finalstring,rindex,s,e = 0
  local rindexdebug,rindexnegativedebug,capturedstring,capturedstringdebug = "string"
  --capture the starting index
  s = string.find(frame.args[1],frame.args[2])
 
  if (frame.args[3]=='left') then
  --capture the index of the left side of the first delimiter character
    rindex = (s-1)
    capturedstring = string.sub(frame.args[1], 1, rindex)
    if (frame.args[4]=='debug') then
      rindexdebug = string.format("%s %d %s", "rindex = ", rindex, "<br>")
      rindexnegative = rindex * -1
      rindexnegativedebug = string.format("%s %d %s", "rindexnegative = ", rindexnegative, "<br>")
      capturedstringdebug = string.format("%s %s", "capturedstring = ", capturedstring)
      finalstring = string.format("%s %s %s", rindexdebug, rindexnegativedebug, capturedstringdebug)
    else
      finalstring = capturedstring
    end
  else
  --capture the index of the right side of the first delimiter character
    rindex = (s+1)
    finalstring = string.sub(frame.args[1], rindex)
  end
 
  return finalstring
 
end

function p.find(frame)
--[[
args:
1:string
2:delimiter character (divider character)
3:starting position (far left if not set)
4:set to 'true' if you want plain matching enabled.
See http://lua-users.org/wiki/StringLibraryTutorial
]]--
  return string.find(frame.args[1],frame.args[2],frame.args[3],frame.args[4])
end

return p