Module:Delink
Révision datée du 30 août 2018 à 21:51 par Alexandrep (discussion | contributions) (3 révisions importées)
La documentation pour ce module peut être créée à Module:Delink/doc
-- This module de-links most wikitext.
local p = {}
local function delinkReversePipeTrick(s)
if s:find('^%[%[|.*[|\n]') or s == '[[|]]' then -- Check for newlines or multiple pipes.
return s
else
return s:match('%[%[|(.*)%]%]')
end
end
local function delinkPipeTrick(s)
-- s the tile area, without bracket nor pipe
-- We need to deal with colons, brackets, and commas, per [[Help:Pipe trick]].
-- First, remove the text before the first colon, if any.
s = s:gsub('^(.-:)', '')
-- Next up, brackets and commas.
if s:find('%(.-%)$') then -- Brackets trump commas.
s = s:match('(.-) ?%(.-%)$')
elseif s:find(',') then -- If there are no brackets, display only the text before the first comma.
s = s:match('(.-),.*$')
end
return s
end
local function delinkWikilink(s)
-- s is a string starting with '[[' and ending with ']]'. It does not contain any other ']]' strings.
-- Deal with nested links
local nested = '[[' .. s:sub(3):gsub('%[%[.-%]%]$', delinkWikilink)
if nested ~= s then
return nested
end
-- Deal with the reverse pipe trick.
if s:find('^%[%[|') then
return delinkReversePipeTrick(s)
end
-- Check for bad titles. To do this we need to find the
-- title area of the link, i.e. the part before any pipes.
local titlearea, display = s:match('^%[%[(.-)|(.*)%]%]$')
titlearea = titlearea or s:sub(3, -3)
titlearea = mw.uri.decode(titlearea, 'PATH') -- decode percent-encoded entities. Leave underscores and plus signs.
titlearea = mw.text.decode(titlearea, true) -- decode HTML entities.
local temptitlearea, fragment = titlearea:match('^(.-)#(.*)$')
temptitlearea = temptitlearea or titlearea
fragment = fragment or ''
-- Check for bad characters.
if not mw.ustring.isutf8(titlearea)
or temptitlearea:find('[%[%]<>|{}%z%c\n]')
or temptitlearea:find('%%%x%x')
or temptitlearea:find('&..-;')
or fragment:find('[%[%]{}%c\n]')
then
return s
end
-- Check for categories, interwikis, and files.
local colonprefix = titlearea:match('^(.-):') or '' -- Get the text before the first colon.
local ns = mw.site.namespaces[colonprefix] -- see if this is a known namespace
if mw.language.isKnownLanguageTag(colonprefix)
or ns and (ns.id == 6 or ns.id == 14)
then
return ''
end
-- Remove the colon if the link is using the [[Help:Colon trick]].
if titlearea:sub(1, 1) == ':' then
titlearea = titlearea:sub(2)
end
-- Deal with links using the [[Help:Pipe trick]].
if display == '' then
return delinkPipeTrick(titlearea )
end
-- Find the display area of the wikilink
if not display then -- Find if we're dealing with a piped link.
-- Remove new lines from the display of multiline piped links,
-- where the pipe is before the first new line.
titlearea = titlearea:gsub('\n', '')
end
return display or titlearea
end
local function delinkURL(s)
-- Assume we have already delinked internal wikilinks, and that
-- we have been passed some text between two square brackets [foo].
-- If the text contains a line break it is not formatted as a URL, regardless of other content.
if s:find('\n') then
return s
end
-- Check if the text has a valid URL prefix and at least one valid URL character.
local valid_url_prefixes = {'//', 'http://', 'https://', 'ftp://', 'gopher://', 'mailto:', 'news:', 'irc://'}
local url_prefix
for i,v in ipairs(valid_url_prefixes) do
if s:find( '^%[' .. v ..'[^"%s].*%]' ) then
url_prefix = v
break
end
end
-- Get display text
if not url_prefix then
-- Deal with nested links or send back original string.
return "[" .. mw.ustring.gsub( mw.ustring.sub(s, 2), "%[.-%]", delinkURL )
end
s = s:match('^%[' .. url_prefix .. '(.*)%]') -- Grab all of the text after the URL prefix and before the final square bracket.
s = s:match('^.-(["<> [].*)') or '' -- Grab all of the text after the first URL separator character ("<> ).
s = s:match('^%s*(%S.*)$') or '' -- If the separating character was a space, trim it off.
local s_decoded = mw.text.decode(s, true)
if s_decoded:find('%c') then
return s
else
return s_decoded
end
end
function p._delink(args)
local text = args[1] or ''
if args.refs == 'yes' then
-- Remove any [[Help:Strip markers]] representing ref tags. In most situations
-- this is not a good idea - only use it if you know what you are doing!
text = mw.text.unstrip(text)
end
if not (args.comments == 'no') then
text = text:gsub('<!%-%-.-%-%->', '') -- Remove html comments.
end
if not (args.wikilinks == 'no') then
text = text:gsub('%[%[.-%]%]', delinkWikilink) -- De-link wikilinks.
end
if not (args.urls == 'no') then
text = text:gsub('%[.-%]', delinkURL) -- De-link URLs.
end
if not (args.whitespace == 'no') then
-- Replace single new lines with a single space, but leave double new lines
-- and new lines only containing spaces or tabs before a second new line.
text = text:gsub('([^\n \t])[ \t]*\n\t*([^\n \t])', '%1 %2')
text = text:gsub('\n\t+', '\n') -- Remove leading tab.
text = text:gsub('[ \t]+', ' ') -- Remove extra tabs and spaces.
end
if not (args.nowiki == 'no') then
text = mw.text.unstripNoWiki(text)
end
return text
end
function p.delink(frame)
local args
if frame == mw.getCurrentFrame() then
-- We're being called via #invoke. If the invoking template passed any args, use
-- them. Otherwise, use the args that were passed into the template.
args = frame:getParent().args
for k, v in pairs(frame.args) do
args = frame.args
break
end
else
-- We're being called from another module or from the debug console, so assume
-- the args are passed in directly.
args = frame
end
return p._delink(args)
end
return p
