模块:Lua banner

-- 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(frame, args)
end

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

-- if action=edit, fallback that only renders box without tracking categories
function p.main2(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
	local modules = mTableTools.compressSparseArray(args)
	return p.renderBox(modules)
end

function p.renderBox(modules)
	local boxArgs = {}
	if #modules < 1 then
		boxArgs.text = '<strong class="error">错误：未指定模块</strong>'
	else
		local moduleLinks = {}
		for i, module in ipairs(modules) do
			local moduleName = mw.title.new(module).text
			moduleLinks[i] = '[[:Module:' .. moduleName .. ']]'
			local maybeSandbox = mw.title.new(module .. '/sandbox')
			if maybeSandbox and maybeSandbox.exists then
				moduleLinks[i] = moduleLinks[i] .. string.format('（[[:%s|沙盒]]）', maybeSandbox.fullText)
			end
		end
		local moduleList = mList.makeList('bulleted', moduleLinks)
		local title = mw.title.getCurrentTitle()
		if title.subpageText == 'doc' then
			title = title.basePageTitle
		end
		local prefix
		if title:inNamespaces(828, 829) then
			prefix = '此模块'
		elseif title.namespace == 10 then
			prefix = '此模板'
		else
			prefix = '此页面'
		end
		boxArgs.text = prefix .. '基于以下[[Wikipedia:Lua|Lua语言]]模块编写：\n' .. moduleList
	end
	boxArgs.type = 'notice'
	boxArgs.image = '[[File:Lua-Logo.svg|30px|alt=|link=]]'
	boxArgs.style = 'max-width: 300px;'
	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] = '有错误的Lua模板'
	end

	-- Tracking categories
	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'] = '使用Module:String的模板',
			}
			category = modules[1] and categories[modules[1]]
		end
		if category then
			cats[#cats + 1] = category
		end
		cats[#cats + 1] = 'Lua模板'
	end

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

return p