Module:مخګرځ
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-- د دې چلندوال (ماډيول) ځينې برخې تغير شوې دي. لطفاً د تازه کولو پرمهال يې محتاط اوسئ.
-- This module provides functions for getting the target of a redirect page.
local p = {}
-- Gets a mw.title object, using pcall to avoid generating script errors if we
-- are over the expensive function count limit (among other possible causes).
local function getTitle(...)
local success, titleObj = pcall(mw.title.new, ...)
if success then
return titleObj
else
return nil
end
end
-- Gets the name of a page that a redirect leads to, or nil if it isn't a
-- redirect.
-- د دې تابع څو لومړنيو کرښو تغير کړی دی.
function p.getTargetFromText(text)
local ret
ret = string.match(
text,
"^%s*#[Rr][Ee][Dd][Ii][Rr][Ee][Cc][Tt]%s*:?%s*%[%[([^%[%]]-)%]%]"
)
if type(ret) == "nil" then
ret = string.match(
text,
"^%s*#مخګرځ?%s*:?%s*%[%[([^%[%]]-)%]%]"
)
end
return ret
end
-- Gets the target of a redirect. If the page specified is not a redirect,
-- returns nil.
function p.getTarget(page)
-- Get the title object. Both page names and title objects are allowed
-- as input.
local titleObj
if type(page) == 'string' or type(page) == 'number' then
titleObj = getTitle(page)
elseif type(page) == 'table' and type(page.getContent) == 'function' then
titleObj = page
else
error(string.format(
"آرگومان بد #1 ته 'getTarget'"
.. " (رشتې، عدد، یا څيز د عنوان تمه کيږي، %s ورکړل شوی)",
type(page)
), 2)
end
if not titleObj or not titleObj.isRedirect then
return nil
end
-- Find the target by using string matching on the page content.
local target = p.getTargetFromText(titleObj:getContent() or "")
if target then
local targetTitle = getTitle(target)
if targetTitle then
return targetTitle.prefixedText
else
return nil
end
else
-- The page is a redirect, but matching failed. This indicates a bug in
-- the redirect matching pattern, so throw an error.
error(string.format(
'نشي کېدای چې مخګرځ په مخ کې «%s» تجزیه شوی',
titleObj.prefixedText
))
end
end
--[[
-- Given a single page name determines what page it redirects to and returns the
-- target page name, or the passed page name when not a redirect. The passed
-- page name can be given as plain text or as a page link.
--
-- Returns page name as plain text, or when the bracket parameter is given, as a
-- page link. Returns an error message when page does not exist or the redirect
-- target cannot be determined for some reason.
--]]
function p.luaMain(rname, bracket)
if type(rname) ~= "string" or not rname:find("%S") then
return nil
end
bracket = bracket and "[[%s]]" or "%s"
rname = rname:match("%[%[(.+)%]%]") or rname
local target = p.getTarget(rname)
local ret = target or rname
ret = getTitle(ret)
if ret then
ret = ret.prefixedText
return bracket:format(ret)
else
return nil
end
end
-- Provides access to the luaMain function from wikitext.
function p.main(frame)
local args = require('Module:Arguments').getArgs(frame, {frameOnly = true})
return p.luaMain(args[1], args.bracket) or ''
end
-- Returns "yes" if the specified page is a redirect, and the blank string
-- otherwise.
function p.isRedirect(frame)
local args = require('Module:Arguments').getArgs(frame, {frameOnly = true})
local titleObj = getTitle(args[1])
if not titleObj then
return ''
end
if titleObj.isRedirect then
return 'yes'
else
return ''
end
end
return p