Module:Sandbox/Grufo2

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You might want to create a documentation page for this Scribunto module.
Editors can experiment in this module's sandbox (create | mirror) and testcases (create) pages.
Add categories to the /doc subpage. Subpages of this module.

require[[strict]]


local iface = {}


iface.foobar = function (frame)
	return foobar
end


iface.call_info_template = function (frame)
	local rname
	local tname
	local srcpage
	local opts = frame.args
	if opts[1] ~= nil then tname = opts[1]:match'^%s*(.*%S)' end
	if tname == nil then error('No template name was provided', 0) end
	if opts[2] ~= nil then rname = opts[2]:match'^%s*(.*%S)' end
	if rname == nil then srcpage = mw.title.getCurrentTitle()
	else srcpage = mw.title.new(rname) end
	local targetpage = srcpage.redirectTarget
	if not targetpage then return '' end
	local newargs = {}
	for key, val in pairs(targetpage) do
		if type(val) == 'string' then newargs[key] = val
		elseif type(val) == 'number' or type(val) == 'boolean' then
			newargs[key] = tostring(val)
		end
	end
	for key, val in pairs(opts) do
		if type(key) ~= 'number' or key < 1 then newargs[key] = val
		elseif key > 2 then newargs[key - 2] = val end
	end
	return frame:getParent():expandTemplate{
		title = tname,
		args = newargs
	}
end


iface.get_target_page = function (frame)
	local tname
	local srcpage
	local opts = frame.args
	if opts[1] ~= nil then tname = opts[1]:match'^%s*(.*%S)' end
	if tname == nil then srcpage = mw.title.getCurrentTitle()
	else srcpage = mw.title.new(tname) end
	local targetpage = srcpage.redirectTarget
	if targetpage then return targetpage.fullText end
	return ''
end


iface.walk_through = function (frame)
	local tname
	local srcpage
	local opts = frame.args
	if opts[1] ~= nil then tname = opts[1]:match'^%s*(.*%S)' end
	if tname == nil then srcpage = mw.title.getCurrentTitle()
	else srcpage = mw.title.new(tname) end
	local thiswikilink = ''
	local targetpage = srcpage.redirectTarget
	local nextwikilink
	local walkedthrough = { srcpage.fullText }
	while targetpage do
		nextwikilink = targetpage.fullText
		if (walkedthrough[nextwikilink]) then break end
		thiswikilink = nextwikilink
		walkedthrough[nextwikilink] = true
		targetpage = targetpage.redirectTarget
	end
	return thiswikilink
end


iface.create_svg = function (frame)
	local opts = frame.args
	local icontent
	if opts[1] ~= nil then icontent = opts[1]:match'^%s*(.*%S)' end
	if icontent == nil then error('No SVG code was provided', 0) end
	local img = mw.svg.new()
	for key, val in pairs(opts) do
		if type(key) == 'string' then
			if key:sub(1, 1) == '#' then
				img:setAttribute(key:sub(2), val)
			else img:setImgAttribute(key, val) end
		end
	end
	return img:setContent(icontent):toImage()
end


return iface