Module:URL: Difference between revisions
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meta>Toohool Lua implementation of {{URL}} |
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-- | |||
-- This module implements {{URL}} | |||
-- | |||
-- See unit tests at [[Module:URL/testcases]] | |||
local p = {} | local p = {} | ||
function | local function safeUri(s) | ||
local success, uri = pcall(function() | |||
return mw.uri.new(s) | |||
end) | |||
if success then | |||
return uri | |||
end | |||
end | end | ||
function | 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 | end | ||
function | 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 | |||
end | 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 | end | ||
--[[ | |||
The main entry point for calling from Template:URL. | |||
--]] | |||
function p.url(frame) | 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 | end | ||
return p | return p |
Latest revision as of 04:38, 3 September 2020
Documentation for this module may be created at Module:URL/doc
--
-- 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