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Documentation for this module may be created at Module:Statsbar/doc
-- Attribution: Star Citizen Wiki
local p = {}
local args = {}
local origArgs = {}
local root
-- Returns a table containing the numbers of the arguments that exist
-- for the specified prefix. For example, if the prefix was 'data', and
-- 'data1', 'data2', and 'data5' exist, it would return {1, 2, 5}.
local function getArgNums(prefix)
local nums = {}
for k, v in pairs(args) do
local num = tostring(k):match('^' .. prefix .. '([1-9]%d*)$')
if num then table.insert(nums, tonumber(num)) end
end
table.sort(nums)
return nums
end
local function addItem(itemArgs, root)
local item = root:tag('div')
item:addClass('template-statsbar__item')
if itemArgs.label then
item
:tag('div')
:addClass('template-statsbar__label')
:wikitext(itemArgs.label)
:done()
end
item
:tag('div')
:addClass('template-statsbar__data')
:wikitext(itemArgs.data)
:done()
if itemArgs.desc then
item
:tag('div')
:addClass('template-statsbar__desc')
:wikitext(itemArgs.desc)
:done()
end
end
local function renderItems(root)
-- Gets the data argument numbers,
-- and renders them all in order using addItems.
local itemnums = getArgNums('data')
table.sort(itemnums)
for k, num in ipairs(itemnums) do
addItem({
label = args['label' .. tostring(num)],
data = args['data' .. tostring(num)],
desc = args['desc' .. tostring(num)],
},
root)
end
end
-- If the argument exists and isn't blank, add it to the argument table.
-- Blank arguments are treated as nil to match the behaviour of ParserFunctions.
local function preprocessSingleArg(argName)
if origArgs[argName] and origArgs[argName] ~= '' then
args[argName] = origArgs[argName]
end
end
-- Assign the parameters with the given prefixes to the args table, in order, in
-- batches of the step size specified. This is to prevent references etc. from
-- appearing in the wrong order. The prefixTable should be an array containing
-- tables, each of which has two possible fields, a "prefix" string and a
-- "depend" table. The function always parses parameters containing the "prefix"
-- string, but only parses parameters in the "depend" table if the prefix
-- parameter is present and non-blank.
local function preprocessArgs(prefixTable, step)
if type(prefixTable) ~= 'table' then
error("Non-table value detected for the prefix table", 2)
end
if type(step) ~= 'number' then
error("Invalid step value detected", 2)
end
-- Get arguments without a number suffix, and check for bad input.
for i,v in ipairs(prefixTable) do
if type(v) ~= 'table' or type(v.prefix) ~= "string" or
(v.depend and type(v.depend) ~= 'table') then
error('Invalid input detected to preprocessArgs prefix table', 2)
end
preprocessSingleArg(v.prefix)
-- Only parse the depend parameter if the prefix parameter is present
-- and not blank.
if args[v.prefix] and v.depend then
for j, dependValue in ipairs(v.depend) do
if type(dependValue) ~= 'string' then
error('Invalid "depend" parameter value detected in preprocessArgs')
end
preprocessSingleArg(dependValue)
end
end
end
-- Get arguments with number suffixes.
local a = 1 -- Counter variable.
local moreArgumentsExist = true
while moreArgumentsExist == true do
moreArgumentsExist = false
for i = a, a + step - 1 do
for j,v in ipairs(prefixTable) do
local prefixArgName = v.prefix .. tostring(i)
if origArgs[prefixArgName] then
-- Do another loop if any arguments are found, even blank ones.
moreArgumentsExist = true
preprocessSingleArg(prefixArgName)
end
-- Process the depend table if the prefix argument is present
-- and not blank, or we are processing "prefix1" and "prefix" is
-- present and not blank, and if the depend table is present.
if v.depend and (args[prefixArgName] or (i == 1 and args[v.prefix])) then
for j,dependValue in ipairs(v.depend) do
local dependArgName = dependValue .. tostring(i)
preprocessSingleArg(dependArgName)
end
end
end
end
a = a + step
end
end
local function parseDataParameters()
preprocessSingleArg('id')
preprocessArgs({
{prefix = 'label', depend = {'data'}},
{prefix = 'desc', depend = {'data'}},
}, 50)
end
local function _statsbar()
root = mw.html.create('div')
root:addClass('template-statsbar')
renderItems(root)
if args.id then root:attr('id', 'statsbar-' .. args.id) end
return mw.getCurrentFrame():extensionTag{
name = 'templatestyles', args = { src = 'Module:Statsbar/styles.css' }
} .. tostring(root)
end
-- If called via #invoke, use the args passed into the invoking template.
-- Otherwise, for testing purposes, assume args are being passed directly in.
function p.statsbar(frame)
if frame == mw.getCurrentFrame() then
origArgs = frame:getParent().args
else
origArgs = frame
end
parseDataParameters()
return _statsbar()
end
-- For calling via #invoke within a template
function p.statsbarTemplate(frame)
origArgs = {}
for k,v in pairs(frame.args) do origArgs[k] = mw.text.trim(v) end
parseDataParameters()
return _statsbar()
end
return p