Module:Item

Documentation for this module may be created at Module:Item/doc

local p = {}

function escape(str)
	return str:gsub("[|\\]", function (c) return string.format("\\%03d", c:byte()) end)
end

function unescape(str)
	return str:gsub("\\(%d%d%d)", function (d) return string.char(d) end)
end

function p.pack(frame)
	local parent = frame:getParent()
	local result = ''
	for key, value in pairs(parent.args) do
		result = result .. "|" .. escape(tostring(key)) .. "|" .. escape(value)
	end
	return result .. "|";
end

function unpack(str)
	local result = { }
	for key, value in str:gfind("|([^|]*)|([^|]*)") do
		result[unescape(key)] = unescape(value)
	end
	return result
end

function p.each(frame)
	local parent = frame:getParent()
	local items = parent.args
	local separator = frame.args.separator or ""
	local template = frame.args.template
	
	local result = ""
	for i, item in ipairs(items) do
		result = result .. frame:expandTemplate{ title = template, args = unpack(item) }
		if items[i + 1] then
			result = result .. separator
		end
	end
	
	return result
end

return p