Module:Delink: Difference between revisions
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move cat/interwiki/file check earlier to the start of the processing chain |
move the colon trick processing to earlier in the chain |
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-- We need to deal with colons, brackets, and commas, per [[Help:Pipe trick]]. |
-- We need to deal with colons, brackets, and commas, per [[Help:Pipe trick]]. |
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-- First, |
-- First, remove the text before the first colon, if any. |
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if mw.ustring.match(s, ":") then |
if mw.ustring.match(s, ":") then |
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s = mw.ustring.match(s, "%[%[.-:(.*)|%]%]") |
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-- Otherwise, remove the text before the first colon. |
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else |
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s = mw.ustring.match(s, "%[%[.-:(.*)|%]%]") |
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-- If there are no colons, grab all of the text apart from the square brackets and the pipe. |
-- If there are no colons, grab all of the text apart from the square brackets and the pipe. |
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else |
else |
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end |
end |
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local function delinkOne( |
local function delinkOne(s) |
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-- First, check for categories, interwikis, and files. |
-- First, check for categories, interwikis, and files. |
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local colonprefix = mw.ustring.match( |
local colonprefix = mw.ustring.match(s, "%[%[(.-):.*%]%]") or "" -- Get the text before the first colon. |
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if mw.language.isKnownLanguageTag(colonprefix) |
if mw.language.isKnownLanguageTag(colonprefix) |
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or mw.ustring.match(colonprefix, "^[Cc]ategory$") |
or mw.ustring.match(colonprefix, "^[Cc]ategory$") |
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return "" |
return "" |
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end |
end |
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end |
end |
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-- Find the link area and display area of the wikilink |
-- Find the link area and display area of the wikilink |
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local linkarea, display |
local linkarea, display |
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if mw.ustring.match( |
if mw.ustring.match(s, "|") then -- Find if we're dealing with a piped link. |
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linkarea, display = mw.ustring.match( |
linkarea, display = mw.ustring.match(s, "^%[%[(.-)|(.+)%]%]") |
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else |
else |
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-- If the link isn't piped, the display area and the link area are the same. |
-- If the link isn't piped, the display area and the link area are the same. |
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linkarea = mw.ustring.match( |
linkarea = mw.ustring.match(s, "^%[%[(.-)%]%]") |
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display = linkarea |
display = linkarea |
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end |
end |
Revision as of 10:35, April 3, 2013
Documentation for this module may be created at Module:Delink/doc
-- This module de-links one internal wikilink. It doesn't handle bad links, or links that use the pipe trick.
p = {}
local function delinkPipeTrick(s)
local linkarea, display = "", ""
-- Deal with the left-hand pipe trick, an easy case.
if mw.ustring.match(s, "%[%[|") then
return mw.ustring.match(s, "%[%[|(.*)%]%]")
end
-- If the link isn't a left-hand pipe trick, assume it's a right-hand pipe trick.
-- 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, "(.-),.*$")
end
return s
end
local function delinkOne(s)
-- First, check for categories, interwikis, and files.
local colonprefix = mw.ustring.match(s, "%[%[(.-):.*%]%]") or "" -- Get the text before the first colon.
if mw.language.isKnownLanguageTag(colonprefix)
or mw.ustring.match(colonprefix, "^[Cc]ategory$")
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
if mw.ustring.match(s, "[^|].*|%]%]") or mw.ustring.match(s, "%[%[|") then -- Weed out the pipe tricks first.
return delinkPipeTrick(s)
end
-- Find the link area and display area of the wikilink
local linkarea, display
if mw.ustring.match(s, "|") then -- Find if we're dealing with a piped link.
linkarea, display = mw.ustring.match(s, "^%[%[(.-)|(.+)%]%]")
else
-- If the link isn't piped, the display area and the link area are the same.
linkarea = mw.ustring.match(s, "^%[%[(.-)%]%]")
display = linkarea
end
-- Check for bad links
if mw.ustring.match(linkarea, "%[") or mw.ustring.match(linkarea, "%]") then
error("Bad link detected. Bad links are not yet supported.")
end
return display
end
local function _delink(args)
local text = args[1] or ""
text = mw.ustring.gsub(text, "%[%[.-%]%]", delinkOne)
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