Modhul:Template wrapper

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Dhokumèntasi modhul iki bisa digawé ing Modhul:Template wrapper/doc

require('Module:No globals');

local p={};

local function isInTable(tbl, item)
    for key, value in pairs(tbl) do
        if value == item then return true end
    end
    return false
end

function p.wrap (frame)
	local args = {};
	local template;
	local exclude = {};
	
	for k, v in pairs (frame.args) do											-- here we get the wrapper template's 'default' parameters
		if '_template' == k then
			template = v;														-- save the name of template that we are wrapping
		elseif '_exclude' == k then
			exclude = mw.text.split(v, "%s*,%s*");								-- save the excluded parameters
		else
			args[k] = v;														-- copy frame parameters to args table
		end
	end
	
	if nil == template or '' == template then									-- this is the one parameter required by this module
		return '<span style=\"font-size:100%\" class=\"error\"><code style=\"color:inherit; border:inherit; padding:inherit;\">&#124;template=</code> missing or empty</span>';
	end

	local pframe = frame:getParent();											-- here we get the wrapper template's 'live' parameters
	for k, v in pairs (pframe.args) do
		if 'string' == type (k) and not isInTable(exclude, k) then				-- do not pass along positional or excluded parameters
			if v and v ~= '' then												-- pass along only those parameters that have assigned values
				if 'unset' == v:lower() then									-- special keyword to unset 'default' parameters set in the wrapper template
					v = '';														-- unset the value
				end
				args[k] = v;													-- copy parent frame parameters to args table
			end
		end
	end
	
	return frame:expandTemplate {title=template, args=args};					-- render the template
end

return p;