Difference between pages "Module:URL" and "Module:URL/sandbox"
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| − | + | -- | |
| + | -- 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') | ||
| + | |||
| + | -- 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 '') | ||
| + | |||
| + | -- Add <wbr> before _/.-# sequences | ||
| + | text = mw.ustring.gsub(text,"(/+)","<wbr/>%1") -- This entry MUST be the first. "<wbr/>" has a "/" in it, you know. | ||
| + | text = mw.ustring.gsub(text,"(%.+)","<wbr/>%1") | ||
| + | -- text = mw.ustring.gsub(text,"(%-+)","<wbr/>%1") -- DISABLED for now | ||
| + | text = mw.ustring.gsub(text,"(%#+)","<wbr/>%1") | ||
| + | text = mw.ustring.gsub(text,"(_+)","<wbr/>%1") | ||
| + | else -- URL is badly-formed, so just display whatever was passed in | ||
| + | text = url | ||
| + | end | ||
| + | end | ||
| + | |||
| + | return mw.ustring.format('<span class="url">[%s %s]</span>', 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 '' | ||
| + | -- strip out html tags and [ ] from url | ||
| + | url = (url or ''):gsub("<[^>]*>", ""):gsub("[%[%]]", "") | ||
| + | -- truncate anything after a space | ||
| + | url = url:gsub("%%20", " "):gsub(" .*", "") | ||
| + | return p._url(url, text, msg) | ||
| + | end | ||
| + | |||
| + | return p | ||
