Module:Namespace detect/data

Module documentation This module is copied from the English Wikipedia page en:Module:Namespace detect/data. It has no documentation, and relevant information may be found at the corresponding English Wikipedia documentation page. For more details see the editing history of the module. The above documentation is transcluded from Module:Namespace detect/data/doc.

---

--------------------------------------------------------------------------------
--                          Namespace detect data                             --
-- This module holds data for [[Module:Namespace detect]] to be loaded per    --
-- page, rather than per #invoke, for performance reasons.                    --
--------------------------------------------------------------------------------

local cfg = require('Module:Namespace detect/config')

local function addKey(t, key, defaultKey)
	if key ~= defaultKey then
		t[#t + 1] = key
	end
end

-- Get a table of parameters to query for each default parameter name.
-- This allows wikis to customise parameter names in the cfg table while
-- ensuring that default parameter names will always work. The cfg table
-- values can be added as a string, or as an array of strings.

local defaultKeys = {
	'main',
	'talk',
	'other',
	'subjectns',
	'demospace',
	'demopage'
}

local argKeys = {}
for i, defaultKey in ipairs(defaultKeys) do
	argKeys[defaultKey] = {defaultKey}
end

for defaultKey, t in pairs(argKeys) do
	local cfgValue = cfg[defaultKey]
	local cfgValueType = type(cfgValue)
	if cfgValueType == 'string' then
		addKey(t, cfgValue, defaultKey)
	elseif cfgValueType == 'table' then
		for i, key in ipairs(cfgValue) do
			addKey(t, key, defaultKey)
		end
	end
	cfg[defaultKey] = nil -- Free the cfg value as we don't need it any more.
end

local function getParamMappings()
	--[[
	-- Returns a table of how parameter names map to namespace names. The keys
	-- are the actual namespace names, in lower case, and the values are the
	-- possible parameter names for that namespace, also in lower case. The
	-- table entries are structured like this:
	-- {
	--   [''] = {'main'},
	--   ['wikipedia'] = {'wikipedia', 'project', 'wp'},
	--   ...
	-- }
	--]]
	local mappings = {}
	local mainNsName = mw.site.subjectNamespaces[0].name
	mainNsName = mw.ustring.lower(mainNsName)
	mappings[mainNsName] = mw.clone(argKeys.main)
	mappings['talk'] = mw.clone(argKeys.talk)
	for nsid, ns in pairs(mw.site.subjectNamespaces) do
		if nsid ~= 0 then -- Exclude main namespace.
			local nsname = mw.ustring.lower(ns.name)
			local canonicalName = mw.ustring.lower(ns.canonicalName)
			mappings[nsname] = {nsname}
			if canonicalName ~= nsname then
				table.insert(mappings[nsname], canonicalName)
			end
			for _, alias in ipairs(ns.aliases) do
				table.insert(mappings[nsname], mw.ustring.lower(alias))
			end
		end
	end
	return mappings
end

return {
	argKeys = argKeys,
	cfg = cfg,
	mappings = getParamMappings()
}