모듈:Unsubst

local checkType = require('libraryUtil').checkType
local p = {}
local BODY_PARAM = '$B'
local specialParams = {
	'$params' = 'parameter list',
	'$aliases' = 'parameter aliases',
	'$flags' = 'flags',
	'$B' = 'template content',
	'$template-name' = 'template invocation name override',
}
function p.main(frame, body)
	-- If we are substing, this function returns a template invocation, and if
	-- not, it returns the template body. The template body can be specified in
	-- the body parameter, or in the template parameter defined in the
	-- BODY_PARAM variable. This function can be called from Lua or from
	-- #invoke.
	-- Return the template body if we aren't substing.
	if not mw.isSubsting() then
		if body ~= nil then
			return body
		elseif frame.argsBODY_PARAM ~= nil then
			return frame.argsBODY_PARAM
		else
			error(string.format(
				"no template content specified (use parameter '%s' from #invoke)",
				BODY_PARAM
			), 2)
		end
	end
	-- Sanity check for the frame object.
	if type(frame) ~= 'table'
		or type(frame.getParent) ~= 'function'
		or not frame:getParent()
	then
		error(
			"argument #1 to 'main' must be a frame object with a parent " ..
			"frame available",
			2
		)
	end
	-- Find the invocation name.
	local mTemplateInvocation = require('Module:Template invocation')
	local name
	if frame.args'$template-name' and  ~= frame.args'$template-name' then
		name = frame.args'$template-name'										-- override whatever the template name is with this name
	else
		name = mTemplateInvocation.name(frame:getParent():getTitle())
	end
	-- Combine passed args with passed defaults
	local args = {}
	if string.find( ','..(frame.args'$flags' or )..',', ',%s*override%s*,' ) then
		for k, v in pairs( frame:getParent().args ) do
			argsk = v
		end
		for k, v in pairs( frame.args ) do
			if not specialParamsk then
				if v == '__DATE__' then
					v = mw.getContentLanguage():formatDate( 'F Y' )
				end
				argsk = v
			end
		end
	else
		for k, v in pairs( frame.args ) do
			if not specialParamsk then
				if v == '__DATE__' then
					v = mw.getContentLanguage():formatDate( 'F Y' )
				end
				argsk = v
			end
		end
		for k, v in pairs( frame:getParent().args ) do
			argsk = v
		end
	end
	-- Trim parameters, if not specified otherwise
	if not string.find( ','..(frame.args'$flags' or )..',', ',%s*keep%-whitespace%s*,' ) then
		for k, v in pairs( args ) do argsk = mw.ustring.match(v, '^%s*(.*)%s*$') or  end
	end
	-- Pull information from parameter aliases
	local aliases = {}
	if frame.args'$aliases' then
		local list = mw.text.split( frame.args'$aliases', '%s*,%s*' )
		for k, v in ipairs( list ) do
			local tmp = mw.text.split( v, '%s*>%s*' )
			aliasestonumber(mw.ustring.match(tmp1, '^1-90-9*$')) or tmp1 = ((tonumber(mw.ustring.match(tmp2, '^1-90-9*$'))) or tmp2)
		end
	end
	for k, v in pairs( aliases ) do
		if argsk and ( not argsv or argsv ==  ) then
			argsv = argsk
		end
		argsk = nil
	end
	-- Remove empty parameters, if specified
	if string.find( ','..(frame.args'$flags' or )..',', ',%s*remove%-empty%s*,' ) then
		local tmp = 0
		for k, v in ipairs( args ) do
			if v ~=  or ( argsk+1 and argsk+1 ~=  ) or ( argsk+2 and argsk+2 ~=  ) then
				tmp = k
			else
				break
			end
		end
		for k, v in pairs( args ) do
			if v ==  then
				if not (type(k) == 'number' and k < tmp) then argsk = nil end
			end
		end
	end
	-- Order parameters
	if frame.args'$params' then
		local params, tmp = mw.text.split( frame.args'$params', '%s*,%s*' ), {}
		for k, v in ipairs(params) do
			v = tonumber(mw.ustring.match(v, '^1-90-9*$')) or v
			if argsv then tmpv, argsv = argsv, nil end
		end
		for k, v in pairs(args) do tmpk, argsk = argsk, nil end
		args = tmp
	end
	return mTemplateInvocation.invocation(name, args)
end
p = p.main -- For backwards compatibility
return p