Module:Main

    From Consumerium development wiki R&D Wiki

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

    --[[
    -- This module produces a link to a main article or articles. It implements the
    -- template {{main}}.
    -- 
    -- If the module is used in category or category talk space, it produces "The
    -- main article for this category is xxx." Otherwise, it produces
    -- "Main article: xxx".
    --]]
    
    local mHatnote = require('Module:Hatnote')
    local mHatlist = require('Module:Hatnote list')
    local mArguments -- lazily initialise
    local p = {}
    
    function p.main(frame)
    	mArguments = require('Module:Arguments')
    	local args = mArguments.getArgs(frame, {parentOnly = true})
    	local pages = {}
    	for k, v in pairs(args) do
    		if type(k) == 'number' then
    			local display = args['label ' .. k] or args['l' .. k]
    			local page = display and
    				string.format('%s|%s', string.gsub(v, '|.*$', ''), display) or v
    			pages[#pages + 1] = page
    		end
    	end
    	if #pages == 0 and mw.title.getCurrentTitle().namespace == 0 then
    		return mHatnote.makeWikitextError(
    			'no page names specified',
    			'Template:Main#Errors',
    			args.category
    		)
    	end
    	local options = {
    		selfref = args.selfref
    	}
    	return p._main(pages, options)
    end
    
    function p._main(args, options)
    	-- Get the list of pages. If no first page was specified we use the current
    	-- page name.
    	local currentTitle = mw.title.getCurrentTitle()
    	if #args == 0 then args = {currentTitle.text} end
    	local firstPage = string.gsub(args[1], '|.*$', '')
    	-- Find the pagetype.
    	local pageType = mHatnote.findNamespaceId(firstPage) == 0 and 'article' or 'page'
    	-- Make the formatted link text
    	list = mHatlist.andList(args, true)
    	-- Build the text.
    	local isPlural = #args > 1
    	local mainForm
    	local curNs = currentTitle.namespace
    	if (curNs == 14) or (curNs == 15) then --category/talk namespaces
    		mainForm = isPlural and
    			'The main %ss for this [[Help:Categories|category]] are %s.'
    			or
    			'The main %s for this [[Help:Categories|category]] is %s.'
    	else
    		mainForm = isPlural and 'Main %ss: %s' or 'Main %s: %s'
    	end
    	local text = string.format(mainForm, pageType, list)
    	-- Process the options and pass the text to the _rellink function in
    	-- [[Module:Hatnote]].
    	options = options or {}
    	local hnOptions = {
    		selfref = options.selfref
    	}
    	return mHatnote._hatnote(text, hnOptions)
    end
    
    return p