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Per talk page request. I studied the syntax carefully. Looks like it is alright after all. Since two eyes have seen this, I assume it is okay to commit it to the production version.
--
-- This module implements {{URL}}
--
-- See unit tests at [[Module:URL/tests]]
local p = {}
local 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 = mw.text.trim(url or '')
text = mw.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 '')
-- 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
function p.url(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]
if not text then
url = url or extractUrl(templateArgs) or extractUrl(parentArgs);
end
text = text or ''
return p._url(url, text)
end
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
return p
-- This module implements {{URL}}
--
-- See unit tests at [[Module:URL/tests]]
local p = {}
local 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 = mw.text.trim(url or '')
text = mw.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 '')
-- 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
function p.url(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]
if not text then
url = url or extractUrl(templateArgs) or extractUrl(parentArgs);
end
text = text or ''
return p._url(url, text)
end
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
return p
