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-- This module implements the {{lua}} template.
local yesno = require('Module:Yesno')
local mList = require('Module:List')
local mTableTools = require('Module:TableTools')
local mMessageBox = require('Module:Message box')

local p = {}

function p.main(frame)
	local origArgs = frame:getParent().args
	local args = {}
	for k, v in pairs(origArgs) do
		v = v:match('^%s*(.-)%s*$')
		if v ~= '' then
			args[k] = v
		end
	end
	return p._main(args)
end

function p._main(args)
	local modules = mTableTools.compressSparseArray(args)
	local box = p.renderBox(modules)
	local trackingCategories = p.renderTrackingCategories(args, modules)
	return box .. trackingCategories
end

function p.renderBox(modules)
	local boxArgs = {}
	if #modules < 1 then
		boxArgs.text = '<strong class="error">Error: no modules specified</strong>'
	else
		local moduleLinks = {}
		for i, module in ipairs(modules) do
			moduleLinks[i] = string.format('[[:%s]]', module)
		end
		local moduleList = mList.makeList('bulleted', moduleLinks)
		boxArgs.text = 'This ' ..
			(mw.title.getCurrentTitle():inNamespaces(828,829) and 'module' or 'template') ..
			' uses [[Wikipedia:Lua|Lua]]:\n' .. moduleList
	end
	boxArgs.type = 'notice'
	boxArgs.small = true
	boxArgs.image = '[[File:Lua-logo-nolabel.svg|30px|alt=|link=]]'
	return mMessageBox.main('mbox', boxArgs)
end

function p.renderTrackingCategories(args, modules, titleObj)
	if yesno(args.nocat) then
		return ''
	end

	local cats = {}

	-- Error category
	if #modules < 1 then
		cats[#cats + 1] = 'Lua templates with errors'
	end

	-- Lua templates category
	titleObj = titleObj or mw.title.getCurrentTitle()
	local subpageBlacklist = {
		doc = true,
		sandbox = true,
		sandbox2 = true,
		testcases = true
	}
	if titleObj.namespace == 10
		and not subpageBlacklist[titleObj.subpageText]
	then
		local category = args.category
		if not category then
			local categories = {
				['Module:String'] = 'Lua String-based templates',
				['Module:Math'] = 'Templates based on the Math Lua module',
				['Module:BaseConvert'] = 'Templates based on the BaseConvert Lua module',
				['Module:Citation'] = 'Lua-based citation templates'
			}
			categories['Module:Citation/CS1'] = categories['Module:Citation']
			category = modules[1] and categories[modules[1]]
			category = category or 'Lua-based templates'
		end
		cats[#cats + 1] = category
		local protLevels = {
			autoconfirmed = 1,
			extendedconfirmed = 2,
			templateeditor = 3,
			sysop = 4
		}
		local currentProt
		if titleObj.id ~= 0 then
			-- id is 0 (page does not exist) if am previewing before creating a template.
			currentProt = titleObj.protectionLevels["edit"][1]
		end
		if currentProt == nil then currentProt = 0 else currentProt = protLevels[currentProt] end
		for i, module in ipairs(modules) do
			local moduleProt = mw.title.new(module).protectionLevels["edit"][1]
			if moduleProt == nil then moduleProt = 0 else moduleProt = protLevels[moduleProt] end
			if moduleProt < currentProt then
				cats[#cats + 1] = "Templates using under-protected Lua modules"
				break
			end
		end
	end

	for i, cat in ipairs(cats) do
		cats[i] = string.format('[[Category:%s]]', cat)
	end
	return table.concat(cats)
end

return p
Description	Ce que vous tapez	Ce que vous obtenez
Italique	''Texte italique''	Texte italique
Gras	'''Texte gras'''	Texte gras
Gras et italique	'''''Texte gras et italique'''''	*Texte gras et italique*