모듈:URL

--
-- This module implements {{URL|example.com|optional display text}}
--
-- See unit tests at Module:URL/tests

local p = {}

function trim(s)

return (mw.ustring.gsub(s, "^%s*(.-)%s*$", "%1"))

end

function safeUri(s)

local success, uri = pcall(function()

return mw.uri.new(s)

end)

if success then

return uri

end

end

function p._url(url, text)

url = trim(url or )

text = trim(text or )

if url == then

if text == then

return mw.getCurrentFrame():expandTemplate{ title = 'tlx', args = { 'URL', "example.com", "optional display text" } }

else

return text

end

end

-- If the URL contains any unencoded spaces, encode them, because MediaWiki will otherwise interpret a space as the end of the URL.

url = mw.ustring.gsub(url, '%s', function(s) return mw.uri.encode(s, 'PATH') end)

-- If there is an empty query string or fragment id, remove it as it will cause mw.uri.new to throw an error

url = mw.ustring.gsub(url, '#$', )

url = mw.ustring.gsub(url, '%?$', )

-- If it's an HTTP[S] URL without the double slash, fix it.

url = mw.ustring.gsub(url, '^[Hh][Tt][Tt][Pp]([Ss]?):(/?)([^/])', 'http%1://%3')

-- Handle URLs from Wikidata of the format http://

url = mw.ustring.gsub(url, '^[Hh][Tt][Tt][Pp]([Ss]?)://', 'http%1://')

local uri = safeUri(url)

-- Handle URL's without a protocol and URL's that are protocol-relative,

-- e.g. www.example.com/foo or www.example.com:8080/foo, and //www.example.com/foo

if uri and (not uri.protocol or (uri.protocol and not uri.host)) and url:sub(1, 2) ~= '//' then

url = 'http://' .. url

uri = safeUri(url)

end

if text == then

if uri then

if uri.path == '/' then uri.path = end

local port =

if uri.port then port = ':' .. uri.port end

text = mw.ustring.lower(uri.host or ) .. port .. (uri.relativePath or )

else -- URL is badly-formed, so just display whatever was passed in

text = url

end

end

-- Add before _/.-# sequences
text = mw.ustring.gsub(text,"(/+)","%1") -- This entry MUST be the first. "" has a "/" in it, you know.
text = mw.ustring.gsub(text,"(%.+)","%1")
text = mw.ustring.gsub(text,"(%-+)","%1") DISABLED for now
text = mw.ustring.gsub(text,"(%#+)","%1")
text = mw.ustring.gsub(text,"(_+)","%1")

return mw.ustring.format('[%s %s]', url, text)

end

function p.url(frame)

local templateArgs = frame.args

local url = templateArgs[1] or

local text = templateArgs[2] or

return p._url(url, text)

end

return p