Module:Delink: Difference between revisions
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change description at the top to be more accurate |
better variable name |
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end |
end |
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local function |
local function delinkWikilink(s) |
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-- Deal with the reverse pipe trick. |
-- Deal with the reverse pipe trick. |
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if mw.ustring.match(s, "%[%[|") then |
if mw.ustring.match(s, "%[%[|") then |
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local function _delink(args) |
local function _delink(args) |
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local text = args[1] or "" |
local text = args[1] or "" |
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text = mw.ustring.gsub(text, "%[%[.-%]%]", |
text = mw.ustring.gsub(text, "%[%[.-%]%]", delinkWikilink) |
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text = mw.ustring.gsub(text, "%[.-%]", delinkURL) |
text = mw.ustring.gsub(text, "%[.-%]", delinkURL) |
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return text |
return text |
Revision as of 17:29, April 3, 2013
Documentation for this module may be created at Module:Delink/doc
-- This module de-links most wikitext.
p = {}
local function delinkURL(s)
-- Assume we have already delinked internal wikilinks, and that
-- we have been passed some text between two square brackets [foo].
-- 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 mw.ustring.match(s, '^%[' .. v ..'[^" ].*%]' ) then
url_prefix = v
break
end
end
-- Get display text
if not url_prefix then
return s
else
s = mw.ustring.match(s, "^%[" .. url_prefix .. "(.*)%]") -- Grab all of the text after the URL prefix and before the final square bracket.
s = mw.ustring.match(s, '^.-(["<> ].*)') or "" -- Grab all of the text after the first URL separator character ("<> ).
s = mw.ustring.match(s, "^ ?(.*)") -- If the separating character was a space, trim it off.
return s
end
end
local function delinkReversePipeTrick(s)
return mw.ustring.match(s, "%[%[|(.*)%]%]")
end
local function delinkPipeTrick(s)
local linkarea, display = "", ""
-- We need to deal with colons, brackets, and commas, per [[Help:Pipe trick]].
-- First, remove the text before the first colon, if any.
if mw.ustring.match(s, ":") then
s = mw.ustring.match(s, "%[%[.-:(.*)|%]%]")
-- If there are no colons, grab all of the text apart from the square brackets and the pipe.
else
s = mw.ustring.match(s, "%[%[(.*)|%]%]")
end
-- Next up, brackets and commas.
if mw.ustring.match(s, "%(.-%)$") then -- Brackets trump commas.
s = mw.ustring.match(s, "(.-) ?%(.-%)$")
elseif mw.ustring.match(s, ",") then -- If there are no brackets, display only the text before the first comma.
s = mw.ustring.match(s, "(.-),.*$")
end
return s
end
local function delinkWikilink(s)
-- Deal with the reverse pipe trick.
if mw.ustring.match(s, "%[%[|") then
return delinkReversePipeTrick(s)
end
-- Check for bad titles. To do this we need to find the
-- title area of the link, i.e. the part before any pipes.
local titlearea
if mw.ustring.match(s, "|") then -- Find if we're dealing with a piped link.
titlearea= mw.ustring.match(s, "^%[%[(.-)|.*%]%]")
else
titlearea = mw.ustring.match(s, "^%[%[(.-)%]%]")
end
-- Clear the title of the fragment (the section link).
if not mw.title.makeTitle("", titlearea) then
return s -- If it's not a valid link, return the whole string.
end
-- Check for categories, interwikis, and files.
local colonprefix = mw.ustring.match(s, "%[%[(.-):.*%]%]") or "" -- Get the text before the first colon.
if mw.language.isKnownLanguageTag(colonprefix)
or mw.ustring.match(colonprefix, "^[Cc]ategory$")
or mw.ustring.match(colonprefix, "^[Ff]ile$")
or mw.ustring.match(colonprefix, "^[Ii]mage$") then
return ""
end
-- Remove the colon if the link is using the [[Help:Colon trick]].
if mw.ustring.match(s, "%[%[:") then
s = "[[" .. mw.ustring.match(s, "%[%[:(.*%]%])")
end
-- Deal with links using the [[Help:Pipe trick]].
if mw.ustring.match(s, "[^|].*|%]%]") or mw.ustring.match(s, "%[%[|") then
return delinkPipeTrick(s)
end
-- Find the display area of the wikilink
local display
if mw.ustring.match(s, "|") then -- Find if we're dealing with a piped link.
display = mw.ustring.match(s, "^%[%[.-|(.+)%]%]")
else
display = mw.ustring.match(s, "^%[%[(.-)%]%]")
end
return display
end
local function _delink(args)
local text = args[1] or ""
text = mw.ustring.gsub(text, "%[%[.-%]%]", delinkWikilink)
text = mw.ustring.gsub(text, "%[.-%]", delinkURL)
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 _delink(args)
end
return p