Module:Delink: Difference between revisions

From the Croc Wiki, the Croc encyclopedia
Jump to navigationJump to search
Content added Content deleted
(use pcall and mw.title.new to check for valid titles)
(split the search algorithm out into its own function, add data type checks)
Line 115: Line 115:
end
end


local function _delink(args)
local function delinkLinkClass(s, pattern, delinkFunction)
local text = args[1] or ""
if not type(s) == "string" then
error("Attempt to de-link non-string input.", 2)
⚫
local result = ""
⚫
-- Delink wikilinks. We need to search character by character rather
⚫
-- than just use gsub, otherwise nested links aren't detected properly.
⚫
while mw.ustring.len(text) > 0 do
⚫
text = mw.ustring.gsub(text, "^%[%[.-%]%]", delinkWikilink, 1)
⚫
result = result .. mw.ustring.sub(text, 1, 1)
⚫
text = mw.ustring.sub(text, 2, -1)
end
end
if not ( type(pattern) == "string" and mw.ustring.sub(pattern, 1, 1) == "^" ) then
error('Invalid pattern detected. Patterns must begin with "^".', 2)
-- Reset the variables.
text = result
end
-- Iterate over the text string, and replace any matched text. using the
result = ""
⚫
-- delink function. We need to iterate character by character rather
⚫
-- than just use gsub, otherwise nested links aren't detected properly.
-- Delink URLs.
⚫
local result = ""
while mw.ustring.len(text) > 0 do
text = mw.ustring.gsub(text, "^%[.-%]", delinkURL, 1)
while mw.ustring.len(s) > 0 do
-- Replace text using one iteration of gsub.
result = result .. mw.ustring.sub(text, 1, 1)
text = mw.ustring.sub(text, 2, -1)
s = mw.ustring.gsub(s, pattern, delinkFunction, 1)
-- Append the left-most character to the result string.
⚫
result = result .. mw.ustring.sub(s, 1, 1)
⚫
s = mw.ustring.sub(s, 2, -1)
end
end
-- Remove extra whitespace.
result = mw.ustring.gsub(result, "%s+", " ")
return result
return result
end

local function _delink(args)
local text = args[1] or ""
⚫
text = delinkLinkClass(text, "^%[%[.-%]%]", delinkWikilink) -- De-link wikilinks.
text = delinkLinkClass(text, "^%[.-%]", delinkURL) -- De-link URLs.
⚫
text = mw.ustring.gsub(text, "%s+", " ") -- Remove extra whitespace.
return text
end
end


Line 158: Line 159:
args = frame
args = frame
end
end
return _delink(args)
return _delink(args)
end
end
Retrieved from "https://crocwiki.com/wiki/Module:Delink"