Modul:PageUtil
Version vom 25. Dezember 2014, 22:47 Uhr von te>PerfektesChaos (fix)
Die Dokumentation für dieses Modul kann unter Modul:PageUtil/Doku erstellt werden
--[=[ 2014-12-25
PageUtil
* merge()
]=]
-- table for export
local PageUtil = {}
local function fault( alert, frame )
-- Format message with class="error"
-- alert -- string, with message
-- frame -- object
-- Returns message with markup
local r = alert
if frame then
r = string.format( "%s * %s", frame:getTitle(), r )
end
r = string.format( "<span class=\"error\">ERROR * %s</span>", r )
return r
end -- fault()
local function flat( adjust, assembly )
-- Replace links to pages by inner links
-- adjust -- string, with text
-- assembly -- table, with page infos
-- Returns adjusted string
local r = adjust
local seek, shift, source, subst
for k, v in pairs( assembly ) do
source = v[ 1 ]
shift = v[ 2 ]
source = ":?" .. source:gsub( " ", "[_ ]+" )
seek = "%[%[%s*" .. source .. "%s*(#[^%[|%]]*%]%])"
subst = "[[%1"
r = r:gsub( seek, subst )
seek = "%[%[%s*" .. source .. "%s*(|[^%[%]]*%]%])"
subst = "[[#" .. shift .. "%1"
r = r:gsub( seek, subst )
seek = "%[%[%s*(" .. source .. "%s*%]%])"
subst = "[[#" .. shift .. "|%1"
r = r:gsub( seek, subst )
end -- for k, v
return r
end -- flat()
local function fraction( access, frame )
-- Retrieve text from section
-- access -- string, with request
-- frame -- object
-- Returns content, or false
local r
local seek = "^(#lstx?):%s*%[%[([^%[|%]\n]+)%]%]%s*(%S.*)%s*$"
local scope, source, section = access:match( seek )
if source then
local page = mw.title.new( source )
if page.exists then
section = mw.text.trim( section )
if section ~= "" then
r = frame:callParserFunction{ name = scope,
args = { source,
section } }
end
else
r = string.format( "<div class=\"error\">%s</div>",
page.prefixedText )
end
end
return r
end -- fraction()
local function full( access, frame, alias, assembly )
-- Retrieve text from page
-- access -- string, with page name
-- frame -- object
-- alias -- number, unique
-- assembly -- table, with page infos
-- Returns string with content, or nil
local page = mw.title.new( access )
local r
if page.exists then
local source = page.prefixedText
local segment = string.format( "PageUtilMerge-%d", alias )
local seed
if page.namespace == 0 then
seed = ":" .. source
else
seed = source
end
r = frame:expandTemplate( { title = seed } )
r = string.format( "<span id='%s'></span>\n%s", segment, r )
table.insert( assembly, { source, segment } )
else
r = string.format( "<div class=\"error\">%s</div>",
page.prefixedText )
end
return r
end -- full()
PageUtil.merge = function ( args, frame )
-- Retrieve text
-- args -- table, with request
-- frame -- object, if available
-- Returns string, with content
local max = 0
local r = ""
for k, v in pairs( args ) do
if type( k ) == "number" and
k > max then
max = k
end
end -- for k, v
if max > 0 then
local pages = { { mw.title.getCurrentTitle().prefixedText,
"" } }
local mode, s, section, swallow
if not frame then
frame = mw.getCurrentFrame()
end
for i = 1, max do
s = args[ i ]
if s then
swallow = s:match( "^%s*(#lstx?:[^\n]*%S)%s*$" )
if swallow then
s = fraction( swallow, frame )
else
swallow = s:match( "^%s*%[%[([^%[|%]\n]+)%]%]%s*$" )
if swallow then
s = full( swallow, frame, i, pages )
end
end
if s then
r = r .. s
end
end
end -- for i
r = flat( r, pages )
end
return r
end -- .merge()
-- Export
local p = { }
p.merge = function ( frame )
local lucky, r = pcall( PageUtil.merge, frame.args, frame )
if not lucky then
r = fault( r, frame )
end
return r
end
function p.PageUtil()
return PageUtil
end
return p
