-- -- This module implements {{URL}} -- -- See unit tests at [[Module:URL/testcases]] local p = {} local function safeUri(s) local success, uri = pcall(function() return mw.uri.new(s) end) if success then return uri end end local function extractUrl(args) for name, val in pairs(args) do if name ~= 2 and name ~= "msg" then local url = name .. "=" .. val; url = mw.ustring.gsub(url, '^[Hh][Tt][Tt][Pp]([Ss]?):(/?)([^/])', 'http%1://%3') local uri = safeUri(url); if uri and uri.host then return url end end end end function p._url(url, text, msg) url = mw.text.trim(url or '') text = mw.text.trim(text or '') local nomsg = (msg or ''):sub(1,1):lower() == "n" or msg == 'false' -- boolean: true if msg is "false" or starts with n or N if url == '' then if text == '' then if nomsg then return nil else return mw.getCurrentFrame():expandTemplate{ title = 'tlx', args = { 'URL', "''example.com''", "''optional display text''" } } end 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') 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 '') -- 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") else -- URL is badly-formed, so just display whatever was passed in text = url end end return mw.ustring.format('[%s %s]', url, text) end --[[ The main entry point for calling from Template:URL. --]] function p.url(frame) local templateArgs = frame.args local parentArgs = frame:getParent().args local url = templateArgs[1] or parentArgs[1] local text = templateArgs[2] or parentArgs[2] or '' local msg = templateArgs.msg or parentArgs.msg or '' url = url or extractUrl(templateArgs) or extractUrl(parentArgs) or '' return p._url(url, text, msg) end --[[ The entry point for calling from the forked Template:URL2. This function returns no message by default. It strips out wiki-link markup, html tags, and everything after a space. --]] function p.url2(frame) local templateArgs = frame.args local parentArgs = frame:getParent().args local url = templateArgs[1] or parentArgs[1] local text = templateArgs[2] or parentArgs[2] or '' -- default to no message local msg = templateArgs.msg or parentArgs.msg or 'no' url = url or extractUrl(templateArgs) or extractUrl(parentArgs) or '' -- if the url came from a Wikidata call, it might have a pen icon appended -- we want to keep that and add it back at the end. local u1, penicon = mw.ustring.match( url, "(.*)( ):gsub("<[^>]*>", ""):gsub("[%[%]]", "") -- truncate anything after a space url = url:gsub("%%20", " "):gsub(" .*", "") return (p._url(url, text, msg) or "") .. (penicon or "") end function startsWith( source, substring ) if mw.ustring.len( substring ) > mw.ustring.len( source ) then return false end return mw.ustring.sub( source, 1, mw.ustring.len( substring ) ) == substring end function formatUrlImpl( source, title ) local scheme, host, path local arg1, arg2 = source, title source = mw.text.trim( source, "%[%] " ) local titleDelimeterPosition = mw.ustring.find( source, " ", 1 ) if titleDelimeterPosition then if not title or title == "" then title = mw.ustring.sub( source, titleDelimeterPosition + 1 ) end source = mw.ustring.sub( source, 1, titleDelimeterPosition - 1 ) end local hostStartPosition local schemeDelimeterPosition = mw.ustring.find( source, "://", 1, true ) if schemeDelimeterPosition then scheme = mw.ustring.sub( source, 1, schemeDelimeterPosition + 2) hostStartPosition = schemeDelimeterPosition + 3 elseif mw.ustring.find( source, "^//", 1 ) then scheme = "//" hostStartPosition = 3 else scheme = "http://" source = scheme .. source hostStartPosition = 8 end if title then local finds = mw.ustring.find( arg1, "[", 1, true ) if titleDelimeterPosition and finds and finds > titleDelimeterPosition + 1 then -- Если titleDelimeterPosition промазал мимо скобки и нашел пробел раньше неё, к примеру "a [b c]", -- то свернуть всю нашу хиромантию и выдать первый аргумент без изменений. if arg2 == nil then return arg1 .. '[[Կատեգորիա:Վիքիպեդիա:Հոդվածներ Module:URL-ի բարդ մուտքով]]' -- Если есть arg2, а мы распарсить ссылку не смогли, и значит заменить title не сможем корректно, это есть ошибка. -- С другой стороны, если arg2 нет, а arg1 очень сложный, то возможно это нормальный ход вещей, -- и на вход в модуль дана уже очень сильно оформленная ссылка. else return arg1 .. '[[Կատեգորիա:Վիքիպեդիա:Հոդվածներ Module:URL-ի սխալ աշխատանքով]]' end end return '[' .. source .. ' ' .. title .. ']' end local hostDelimeterPosition = mw.ustring.find( source, "/", hostStartPosition, true ) if hostDelimeterPosition then host = mw.ustring.sub( source, hostStartPosition, hostDelimeterPosition - 1 ) if hostDelimeterPosition == mw.ustring.len( source ) then path = nil else path = mw.ustring.sub( source, hostDelimeterPosition + 1 ) end else host = mw.ustring.sub( source, hostStartPosition ) end -- post-split format options if startsWith( host, 'www.' ) then host = mw.ustring.sub( host, 5 ) end host = mw.language.new( 'en' ):lc( host ) if path and path ~= '' and path ~= '/' then return '[' .. source .. ' ' .. host .. '/' .. path .. ']' else return '[' .. source .. ' ' .. host .. ']' end end function p.formatUrl( frame ) local url = frame.args[1] or '' local title = frame.args[2] or '' url = mw.text.trim( url ) title = mw.text.trim( title ) if url == '' then return nil end if title == '' then title = nil end return formatUrlImpl( url, title ) end function p.formatUrlSingle( context, options, url ) url = mw.text.trim( url ) if url == '' then return nil end local title = nil if ( options['text'] and options['text'] ~= '' ) then title = options['text'] end return formatUrlImpl( url, title ) end return p 
