Modul:Pinging
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Diese Seite enthält Code in der Programmiersprache Lua. Einbindungszahl Cirrus
local Serial = "2015-12-22"
--[=[
Module:Pinging -- Support templates for pings and user lists
]=]
-- local globals
local MaxEcho = 50 -- currently permitted number of recipients
local MaxName = 34 -- length of a user name
local Start = "@"
local Stick = "<span style='white-space:nowrap'> </span>| "
local Suffix = ":"
local function fair( analyse, add )
-- Create link target or link title
-- Parameter:
-- analyse -- string with page name or nick
-- add -- true, if user namespace to be added
-- false, if user namespace to be stripped
-- Returns:
-- string
local ns = false
local r = analyse
local space, spec = r:match( "^([^:]+):(.+)$" )
if space then
local tns = mw.site.namespaces[ space ]
if type( tns ) == "table" then
ns = tns.id
end
end
if add then
if not ns then
r = string.format( "%s:%s", mw.site.namespaces.User.name, r )
end
elseif ns then
if ns == 2 or ns == 3 then
r = spec
end
end
return r
end -- fair()
local function fault( alert )
-- Format error message by class=error
-- Parameter:
-- alert -- string, error message
-- Returns:
-- string, HTML span
return string.format( "<span %s %s>%s</span>",
"class=\"error\"",
"style='white-space:nowrap'",
alert );
end -- fault()
local function fetch( analyse )
-- Retrieve target table
-- Parameter:
-- analyse -- string with page content
-- Returns:
-- sequence of targets, even empty
local i = 1
local loop = true
local r = { }
local s = analyse
local j, k
while ( loop ) do
loop = false
j = s:find( "<!--", i, true )
if j then
k = s:find( "-->", j + 4, true )
if k then
loop = true
s = s:sub( 1, j ) .. s:sub( k + 3 )
i = j
end
end
end -- while loop
i = 1
loop = true
while ( loop ) do
loop = false
j = s:find( "{{#target:", i, true )
if j then
j = j + 10
k = s:find( "}}", j, true )
if k then
loop = true
table.insert( r, s:sub( j, k - 1 ) )
i = k + 1
end
end
end -- while loop
return r
end -- fetch()
local function friend( assign, abroad, area, another, alter )
-- Format single link
-- Parameter:
-- assign -- user or page name
-- abroad -- page names came from #target
-- area -- true: always wide area = URL
-- another -- display alternative link title
-- alter -- link is hidden
-- Returns:
-- 1. string or false,
-- 2. true: string is internal
-- 3. true: error occurred
local long = area
local r = assign
local site = false
local lapsus
if abroad then
local s
s, site = assign:match( "^%s*(.+)%s*|%s*(.*)%s*$" )
if s then
site = mw.text.trim( site )
if site == "" then
site = false
else
long = true
end
r = s
end
end
if r then
r = mw.text.trim( r )
if r == "" then
r = false
end
end
if r then
local live = not alter
local show
if r:find( "[#<>%[%]%{%}]" ) or
( not abroad and
( r:find( "[/@]" ) or
mw.ustring.len( r ) > MaxName) ) then
lapsus = true
end
if not lapsus then
if another then
show = mw.text.trim( another )
if show == "" then
show = false
end
elseif live then
show = fair( r, false )
end
end
if not show then
show = r
end
if abroad then
if site then
show = string.format( "%s@%s", show, site )
end
else
r = fair( r, true )
end
if show:find( "%s" ) and live then
show = mw.text.trim( show )
if show:find( "%s" ) then
show = string.format( "<span %s>%s</span>",
"style='white-space:nowrap'",
show )
end
end
if lapsus then
r = fault( show )
long = true
elseif long then
if site then
r = string.format( "//%s/wiki/%s",
site,
mw.uri.encode( r, "WIKI" ) )
else
r = tostring( mw.uri.canonicalUrl( r ) )
end
r = string.format( "[%s %s]", r, show )
if live then
r = string.format( "<span class='plainlinks'>%s</span>",
r )
end
elseif alter or r == show then
r = string.format( "[[%s]]", r )
else
r = string.format( "[[%s|%s]]", r, show )
end
end
return r, not long, lapsus
end -- friend()
local function friends( assigned, abroad, area, assume, active, alter )
-- Make list of entries
-- Parameter:
-- assigned -- table with pages or users
-- abroad -- true: page names came from #target
-- area -- true: always wide area = URL
-- assume -- table with default options
-- active -- table with current options
-- alter -- string: hide result, show this
-- Returns:
-- string
local limit = ( not area and
active.max ~= "0" and assume.max ~= "0" )
local max = MaxEcho
local n = 0
local stick = Stick
local lapsus, light, lost, r, s
if alter then
stick = " "
elseif active[ "/" ] then
stick = active[ "/" ]
elseif assume[ "/" ] then
stick = assume[ "/" ]
end
if limit and ( active.max or assume.max ) then
if tonumber( assume.max ) then
max = tonumber( assume.max )
end
if tonumber( active.max ) then
max = tonumber( active.max )
end
end
stick = stick:gsub( "^_", " " )
:gsub( "_$", " " )
for k, v in pairs( assigned ) do
if type( k ) == "number" then
s = assigned[ "label" .. tostring( k ) ]
s, light, lost = friend( v, abroad, area, s, alter )
if s then
if r then
r = r .. stick
else
r = ""
end
if lost then
lapsus = true
elseif limit and light then
n = n + 1
if n > max then
local scream = "Echo-notification-count"
scream = mw.message.new( scream )
scream = scream:numParams( max )
:plain()
scream = string.format( " !! %s !! ",
scream )
r = r .. fault( scream )
lapsus = true
limit = false
end
end
r = r .. s
end
end
end -- for k
if r then
local start = Start
local suffix = Suffix
if active[ "@" ] then
start = active[ "@" ]
elseif assume[ "@" ] then
start = assume[ "@" ]
elseif active.a then
start = active.a
end
if active[ ":" ] then
suffix = active[ ":" ]
elseif active.p then
suffix = active.p
elseif assume[ ":" ] then
suffix = assume[ ":" ]
end
start = start:gsub( "^_", " " )
:gsub( "_$", " " )
suffix = suffix:gsub( "^_", " " )
:gsub( "_$", " " )
if alter and not lapsus then
r = string.format( "<span %s>%s</span>%s",
"style='display:none'",
r, alter )
end
r = string.format( "%s%s%s", start, r, suffix )
else
r = fault( "? . ? . ? . ?" )
end
return r
end -- friends()
local function massmessage( assume, active )
-- Create text from massmessage distribution page
-- Parameter:
-- assume -- table with default options
-- [ 1 ] -- page speification
-- [ 2 ] -- title; none for "_", list if omitted
-- active -- table with current options
-- Returns:
-- string
local source = assume[ 1 ]
local page, r, targets
if source then
local id, story
id = source:match( "^%s*#(%d+)%s*$" )
if id then
page = tonumber( id )
else
page = source
end
page = mw.title.new( page )
if page then
story = page:getContent()
end
if story then
targets = fetch( story )
else
r = fault( source )
end
end
if targets then
local show = assume[ 2 ]
if show then
show = mw.text.trim( show )
if show == "" then
show = false
end
end
if show == "_" then
show = ""
elseif show then
show = string.format( "[[%s|%s]]", page.prefixedText, show )
end
r = friends( targets, true, false, assume, active, show )
elseif not r then
r = fault( source or "massmessage|namespace:title" )
end
if assume.subst and not mw.isSubsting() then
local s = string.format( "{{subst:%s}}",
assume.subst )
r = fault( s )
end
return r
end -- massmessage()
local function userlist( assume, active, area )
-- Create text from template transclusion
-- Parameter:
-- assume -- table with default options
-- active -- table with current options
-- area -- true: always wide area = URL
-- Returns:
-- string
return friends( active, false, area, assume, active, false )
end -- userlist()
-- Export
local p = { }
function p.failsafe()
return Serial
end
function p.massmessage( a1, a2 )
local r
if type( a1 ) == "table" then
local p1, p2
if type( a1.getParent ) == "function" then
-- a1 is supposed to be a frame
p1 = a1.args
p2 = a1:getParent().args
else
p1 = a1
if type( a2 ) == "table" then
p2 = a2
else
p2 = { }
end
end
r = massmessage( p1, p2 )
else
r = fault( "Pinging::massmessage()" )
end
return r
end
function p.maxecho()
return tostring( MaxEcho )
end
function p.noping( frame )
return userlist( frame.args, frame:getParent().args, true )
end
function p.ping( frame )
return userlist( frame.args, frame:getParent().args, false )
end
return p
