Difference between revisions of "Module:URL"
(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.) |
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local p = {} | local p = {} | ||
| − | + | function trim(s) | |
| + | return (mw.ustring.gsub(s, "^%s*(.-)%s*$", "%1")) | ||
| + | end | ||
| + | |||
| + | function safeUri(s) | ||
local success, uri = pcall(function() | local success, uri = pcall(function() | ||
return mw.uri.new(s) | return mw.uri.new(s) | ||
| Line 16: | Line 20: | ||
function p._url(url, text) | function p._url(url, text) | ||
| − | url = | + | url = trim(url or '') |
| − | text = | + | text = trim(text or '') |
if url == '' then | if url == '' then | ||
| Line 57: | Line 61: | ||
text = mw.ustring.lower(uri.host or '') .. port .. (uri.relativePath or '') | text = mw.ustring.lower(uri.host or '') .. port .. (uri.relativePath or '') | ||
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else -- URL is badly-formed, so just display whatever was passed in | else -- URL is badly-formed, so just display whatever was passed in | ||
text = url | text = url | ||
| Line 69: | Line 66: | ||
end | end | ||
| + | -- 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") | ||
| + | |||
return mw.ustring.format('<span class="url">[%s %s]</span>', url, text) | return mw.ustring.format('<span class="url">[%s %s]</span>', url, text) | ||
end | end | ||
| Line 74: | Line 78: | ||
function p.url(frame) | function p.url(frame) | ||
local templateArgs = frame.args | local templateArgs = frame.args | ||
| − | + | local url = templateArgs[1] or '' | |
| − | local url = templateArgs | + | local text = templateArgs[2] or '' |
| − | local text = templateArgs[2] | ||
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| − | |||
return p._url(url, text) | return p._url(url, text) | ||
end | end | ||
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return p | return p | ||
Latest revision as of 18:38, 18 July 2018
Documentation for this module may be created at Module:URL/doc
--
-- This module implements {{URL}}
--
-- See unit tests at [[Module:URL/tests]]
local p = {}
function trim(s)
return (mw.ustring.gsub(s, "^%s*(.-)%s*$", "%1"))
end
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 = trim(url or '')
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 '')
else -- URL is badly-formed, so just display whatever was passed in
text = url
end
end
-- 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")
return mw.ustring.format('<span class="url">[%s %s]</span>', url, text)
end
function p.url(frame)
local templateArgs = frame.args
local url = templateArgs[1] or ''
local text = templateArgs[2] or ''
return p._url(url, text)
end
return p
