编辑“︁模块:STConversion”︁

local p = {}

local fallbackString = mw.getCurrentFrame():extensionTag('nowiki')

local function item( variant, content )
	if not content then
		return ''
	end
	if string.match( content, '^()%s*$' ) then
		return variant .. ':' .. fallbackString .. ';'
	end
	return variant .. ':' .. string.match( content, '^.*%S' ) .. ';'
end

function p.call( args )
	return '-{' .. ( args.mode and ( args.mode .. '|' ) or '' ) ..
		item( 'zh-cn', args[ 'zh-cn' ] or args[ 1 ] ) ..
		item( 'zh-tw', args[ 'zh-tw' ] or args[ 2 ] ) ..
		item( 'zh-hk', ( args.closehkinherit and '' ) or args[ 'zh-hk' ] or args[ 3 ] ) ..
		'}-'
end

function p.main( f )
	local args = f
	if f == mw.getCurrentFrame() then
		args = f:getParent().args
	end
	return p.call( args )
end

return p