Модул:Citation/CS1/Wrapper

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require('Module:No globals');

local p={};

function p.cs1_wrapper (frame)
	local args = {};
	local template;
	
	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
		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 k:find ('^_') then						-- do not pass along positional parameters or parameter with names that begin with an underscore
			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 citation
end

return p;