Module:Electowidget

This is the very beginning of a Lua implementation of Electowidget.

• Lua source: Module:Electowidget
• doc page: Module:Electowidget/doc

(see also: Module:ABIF)

Tests

Test 1

{{#invoke:Electowidget|parse_prefs_line|24: "蘇業"/5 > DGM/2 = AM/2 > SBJ/}}

Result 1

nil

Test 2

{{#invoke:Electowidget|prefs_line_json|24: "蘇業"/5 > DGM/2 = AM/2 > SBJ/}}

Result 2

Test 3

{{#invoke:Electowidget|get_data|2009 Burlington, Vermont Mayoral Election data}}

Result 3

---

-- From: User:RobLa
-- Date: ~~~~
-- Comment: I think I'd like the new version of Electowidget to use ABIF
local p = {}
-- Function to parse the line and return a Lua native data structure

function p.parse_prefs_line(line)
  if not line or line == '' then
    return {}
  end

  local qty, prefs = tostring(line):match('(%d+):%s*(.*)')
  local prefs_table = {}

  if prefs == '' then
    return { qty = qty, comment = nil, orderedlist = true }
  end

  local rank = 1
  if 1 == 1 then
    return tostring(prefs)
  end
  for name, rating in prefs:gmatch('([^/]+)/([^ ]+)') do
    prefs_table[rank] = {
      name = name,
      rating = tonumber(rating),
    }
    rank = rank + 1
  end

  return {
    qty = tonumber(qty),
    prefs = prefs_table or {},
    comment = nil,
    orderedlist = true
  }
end

function p.get_data(datapage)
	-- copied and adapted from 
	--   https://en.wikipedia.org/wiki/Module:Format_TemplateData
    local title = mw.title.new(datapage)
    local s = title:getContent()
    local i, j = s:find( "<electowidget>", 1, true )
    local r
    if i then
        local k = s:find( "</electowidget>", j, true )
        if k then
           r = mw.text.trim( s:sub( j + 1,  k - 1 ) )
        end
    end
    return r
end -- find()

return p