Module:Infobox/parsing/sandbox

Documentation for this module may be created at Module:Infobox/parsing/sandbox/doc

local util = require("Module:Util")

local parsing = {}

function parsing._technology(frame, args)
  if args[1] == "?" or util._empty_arg(args[1]) then
    return args[1]
  end

  local ret = {}
  local techs = util._split(args[1], "+")
  for _, tech in ipairs(techs) do
    local tech_parts = util._split(tech, ",")
    local tech_name = tech_parts[1] .. " (research)"
    if not util._page_exists(tech_name) then -- fall back to plain name if page with " (research)" doesn't exist
      tech_name = tech_parts[1]
    end

    local tech_level = tech_parts[2] or ""
    if tech_level == "" then -- fall back to level from tech name if none given manually
      local second_to_last_char = string.sub(tech_parts[1], -2, -2)
      if second_to_last_char == " " then
        tech_level = string.sub(tech_parts[1], -1) -- last character should be the level of the tech
      end
    end
    ret[#ret+1] = frame:expandTemplate{title = 'icon/special', args = {tech_name, tech_level, color=args.color or "999"}}
  end
  return table.concat(ret)
end

function parsing._item(frame, item_string)
  if item_string == "?" or util._empty_arg(item_string) then
    return item_string
  end

  local ret = {}
  local items = util._split(item_string, "+")
  for _, item in ipairs(items) do
    local icon_args = util._split(item, ",")
    icon_args[2] = icon_args[2] or ""
    ret[#ret+1] = frame:expandTemplate{title = 'icon/special', args = icon_args}
  end
  return table.concat(ret)
end

function parsing._crafting(frame, recipe)
  if recipe == "?" or util._empty_arg(recipe) then
    return recipe
  end
  
  local recipe_parts = util._split(recipe, "=")  
  local ingredients = parsing._crafting_part(frame, recipe_parts[1])
  
  local products = recipe_parts[2]
  if products then
    products = parsing._crafting_part(frame, products)
  else
    local item_name = frame:expandTemplate{title = 'No language suffix/No namespace'}
    products = frame:expandTemplate{title = 'icon/special', args = {item_name, "1"}}
  end
  
  return ingredients .. " → " .. products
end

function parsing._crafting_raw(frame, recipe)
  if recipe == "?" or util._empty_arg(recipe) then
    return recipe
  end

  local recipe_parts = util._split(recipe, "=")
  return parsing._crafting_part(frame, recipe_parts[1])
end

-- @param frame
-- @param str string A list of "item, count" separated by "+"
-- @return string @The resulting icons with a "+" between each icon
function parsing._crafting_part(frame, str)
  local ret = {}
  local items = util._split(str, "+")
  for _, item in ipairs(items) do
    local item_parts = util._split(item, ",")
    local item_count = item_parts[2] or "1" -- fall back to 1, not empty!
    item_count = frame:expandTemplate{title = 'Crop', args = {item_count}}
    ret[#ret+1] = frame:expandTemplate{title = 'icon/special', args = {item_parts[1], item_count}}
  end
  return table.concat(ret, "+")
end

return parsing