查看“︁模块:Outdent”︁的源代码

local p = {}
local getArgs = require('Module:Arguments').getArgs
local yesno = require('Module:Yesno')

function p.outdent(frame)
	local args = getArgs(frame)
	local width = 0

	local reversed = args['reverse'] or args['indent'] or args['r'] or args['in']	-- aliases for reverse
	local reversed = yesno(reversed)
	if not args[1] then args[1] = '' end                                        -- un-nil args[1]

	width = width + select(2, string.gsub(args[1],':',''))						-- increase by 1 for every :
	width = width + select(2, string.gsub(args[1],'*',''))						-- increase by 1 for every *
	width = width + select(2, string.gsub(args[1],'#','')) * 2					-- increase by 2 for every #

	if width == 0 then width = tonumber(args[1]) end							-- set width to args[1] if needed

	if not width then width = 10 end											-- default width
	if width < 0
	then
		width = -width
		reversed = not reversed
	end
	if width > 40 then width = 40 end											-- max width

	width = width * 1.6															-- set width to proper width

	local note = yesno(args['note'] or args[2]) and '（[[wikipedia:Wikipedia:Indentation#Outdenting|重设缩进]]）' or '' -- note

	local templatestyles = mw.getCurrentFrame():extensionTag{
		name = 'templatestyles', args = { src = 'Module:Outdent/styles.css' }
	}

	return templatestyles .. '<div class="template-outdent' .. ((reversed and ' reversed') or '') .. '" style="width: ' .. width .. 'em"><div class="template-outdent-line"></div></div>' .. note
end

return p