Module:URL: Difference between revisions
catch nil value for msg
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local function safeUri(s) | local function safeUri(s) | ||
local success, uri = pcall(function() | |||
return mw.uri.new(s) | |||
end) | |||
if success then | |||
return uri | |||
end | |||
end | end | ||
function p._url(url, text) | local function extractUrl(args) | ||
for name, val in pairs(args) do | |||
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 | |||
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 | -- Add <wbr> before _/.-# sequences | ||
Line 64: | Line 80: | ||
text = mw.ustring.gsub(text,"(%#+)","<wbr/>%1") | text = mw.ustring.gsub(text,"(%#+)","<wbr/>%1") | ||
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 | end | ||
--[[ | |||
The main entry point for caling from Template:URL. | |||
--]] | |||
function p.url(frame) | function p.url(frame) | ||
local templateArgs = frame.args | |||
local parentArgs = frame:getParent().args | local parentArgs = frame:getParent().args | ||
local url = templateArgs[1] or parentArgs[1] or '' | |||
local text = templateArgs[2] or parentArgs[2] | |||
local msg = templateArgs.msg or parentArgs.msg or '' | |||
if not text then | |||
url = url or extractUrl(templateArgs) or extractUrl(parentArgs) | |||
end | end | ||
text = text or '' | text = text or '' | ||
return p._url(url, text, msg) | |||
end | end | ||
function | |||
--[[ | |||
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] or '' | |||
local text = templateArgs[2] or parentArgs[2] or '' | |||
-- default to no message | |||
local msg = templateArgs.msg or parentArgs.msg or 'no' | |||
if text == '' then | |||
url = url or extractUrl(templateArgs) or extractUrl(parentArgs) | |||
end | end | ||
-- 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 | end | ||
return p | return p |