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Module:URL: Difference between revisions

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Module:URL (edit)

Revision as of 02:15, 25 February 2019

817 bytes added ,  25 February 2019
catch nil value for msg
m (1 revision imported)
(catch nil value for msg)
Line 7: Line 7:
   
   
local function safeUri(s)
local function safeUri(s)
    local success, uri = pcall(function()
local success, uri = pcall(function()
        return mw.uri.new(s)
return mw.uri.new(s)
    end)
end)
    if success then
if success then
        return uri
return uri
    end
end
end
end


function p._url(url, text)
local function extractUrl(args)
    url = mw.text.trim(url or '')
for name, val in pairs(args) do
    text = mw.text.trim(text or '')
local url = name .. "=" .. val;
   
url = mw.ustring.gsub(url, '^[Hh][Tt][Tt][Pp]([Ss]?):(/?)([^/])', 'http%1://%3')
    if url == '' then
local uri = safeUri(url);
        if text == '' then
if uri and uri.host then
            return mw.getCurrentFrame():expandTemplate{ title = 'tlx', args = { 'URL', "''example.com''", "''optional display text''" } }
return url
        else
end
            return text
end
        end
end
    end
 
   
function p._url(url, text, msg)
    -- If the URL contains any unencoded spaces, encode them, because MediaWiki will otherwise interpret a space as the end of the URL.
url = mw.text.trim(url or '')
    url = mw.ustring.gsub(url, '%s', function(s) return mw.uri.encode(s, 'PATH') end)
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 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, '#$', '')
if url == '' then
    url = mw.ustring.gsub(url, '%?$', '')
if text == '' then
   
if nomsg then
    -- If it's an HTTP[S] URL without the double slash, fix it.
return nil
    url = mw.ustring.gsub(url, '^[Hh][Tt][Tt][Pp]([Ss]?):(/?)([^/])', 'http%1://%3')
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://')


    -- Handle URLs from Wikidata of the format http://
local uri = safeUri(url)
    url = mw.ustring.gsub(url, '^[Hh][Tt][Tt][Pp]([Ss]?)://', 'http%1://')
 
   
-- Handle URL's without a protocol and URL's that are protocol-relative,  
    local uri = safeUri(url)
-- 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
    -- Handle URL's without a protocol and URL's that are protocol-relative,  
url = 'http://' .. url
    -- e.g. www.example.com/foo or www.example.com:8080/foo, and //www.example.com/foo
uri = safeUri(url)
    if uri and (not uri.protocol or (uri.protocol and not uri.host)) and url:sub(1, 2) ~= '//' then
end
        url = 'http://' .. url
 
        uri = safeUri(url)
if text == '' then
    end
if uri then
   
if uri.path == '/' then uri.path = '' end
    if text == '' then
 
        if uri then
local port = ''
            if uri.path == '/' then uri.path = '' end
if uri.port then port = ':' .. uri.port end
           
 
            local port = ''
text = mw.ustring.lower(uri.host or '') .. port .. (uri.relativePath or '')
            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
else -- URL is badly-formed, so just display whatever was passed in
            text = url
text = url
        end
end
    end
end


    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


--[[
The main entry point for caling 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] or ''
    local text = templateArgs[2] or parentArgs[2]
local text = templateArgs[2] or parentArgs[2]
    if not text then
local msg = templateArgs.msg or parentArgs.msg or ''
    url = url or extractUrl(templateArgs) or extractUrl(parentArgs);
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)
return p._url(url, text, msg)
end
end
function extractUrl(args)
 
for name, val in pairs(args) do
--[[
local url = name .. "=" .. val;
The entry point for calling from the forked Template:URL2.
url = mw.ustring.gsub(url, '^[Hh][Tt][Tt][Pp]([Ss]?):(/?)([^/])', 'http%1://%3')
This function returns no message by default.
local uri = safeUri(url);
It strips out wiki-link markup, html tags, and everything after a space.
if uri and uri.host then
--]]
return url
function p.url2(frame)
end
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
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