Module:URL - Revision history

Joe Tan: 1 revision imported

2019-09-04T01:48:32Z

1 revision imported

← Older revision	Revision as of 09:48, 4 September 2019
(No difference)

Template>Pppery: Making extraction of URLs containing "=" actually work per edit request

2019-07-26T16:45:29Z

Making extraction of URLs containing "=" actually work per edit request

← Older revision		Revision as of 00:45, 27 July 2019
Line 2:		Line 2:
	-- This module implements {{URL}}		-- This module implements {{URL}}
	--		--
	-- See unit tests at [[Module:URL/~~tests~~]]		-- See unit tests at [[Module:URL/testcases]]

	local p = {}		local p = {}
Line 17:		Line 17:
	local function extractUrl(args)		local function extractUrl(args)
	for name, val in pairs(args) do		for name, val in pairs(args) do
	local url = name .. "=" .. val;		if name ~= 2 and name ~= "msg" then
	url = mw.ustring.gsub(url, '^[Hh][Tt][Tt][Pp]([Ss]?):(/?)([^/])', 'http%1://%3')		local url = name .. "=" .. val;
	local uri = safeUri(url);		url = mw.ustring.gsub(url, '^[Hh][Tt][Tt][Pp]([Ss]?):(/?)([^/])', 'http%1://%3')
	if uri and uri.host then		local uri = safeUri(url);
	return url		if uri and uri.host then
			return url
			end
	end		end
	end		end
Line 89:		Line 91:

	--[[		--[[
	The main entry point for ~~caling~~ from Template:URL.		The main entry point for calling from Template:URL.
	--]]		--]]
	function p.url(frame)		function p.url(frame)
	local templateArgs = frame.args		local templateArgs = frame.args
	local parentArgs = frame:getParent().args		local parentArgs = frame:getParent().args
	local url = templateArgs[1] or parentArgs[1] ~~or ''~~		local url = templateArgs[1] or parentArgs[1]
	local text = templateArgs[2] or parentArgs[2]		local text = templateArgs[2] or parentArgs[2] or ''
	local msg = templateArgs.msg or parentArgs.msg or ''		local msg = templateArgs.msg or parentArgs.msg or ''
	~~if not text then~~		url = url or extractUrl(templateArgs) or extractUrl(parentArgs) or ''
	url = url or extractUrl(templateArgs) or extractUrl(parentArgs)
	~~end~~
	~~text = text~~ or ''
	return p._url(url, text, msg)		return p._url(url, text, msg)
	end		end
Line 112:		Line 111:
	local templateArgs = frame.args		local templateArgs = frame.args
	local parentArgs = frame:getParent().args		local parentArgs = frame:getParent().args
	local url = templateArgs[1] or parentArgs[1] ~~or ''~~		local url = templateArgs[1] or parentArgs[1]
	local text = templateArgs[2] or parentArgs[2] or ''		local text = templateArgs[2] or parentArgs[2] or ''
	-- default to no message		-- default to no message
	local msg = templateArgs.msg or parentArgs.msg or 'no'		local msg = templateArgs.msg or parentArgs.msg or 'no'
	~~if text == '' then~~		url = url or extractUrl(templateArgs) or extractUrl(parentArgs) or ''
	url = url or extractUrl(templateArgs) or extractUrl(parentArgs)
	~~end~~
	-- strip out html tags and [ ] from url		-- strip out html tags and [ ] from url
	url = (url or ''):gsub("<[^>]*>", ""):gsub("[%[%]]", "")		url = (url or ''):gsub("<[^>]*>", ""):gsub("[%[%]]", "")

Joe Tan: 1 revision imported

2019-03-01T07:28:41Z

1 revision imported

← Older revision	Revision as of 15:28, 1 March 2019
(No difference)

Template>RexxS: catch nil value for msg

2019-02-24T22:45:43Z

catch nil value for msg

New page

--
-- 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

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 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 caling from Template:URL.
--]]
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]
local msg = templateArgs.msg or parentArgs.msg or ''
if not text then
url = url or extractUrl(templateArgs) or extractUrl(parentArgs)
end
text = text 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] 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
-- 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