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„Modul:Vorlage:LuaModuleDoc“ – Versionsunterschied

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2018-02-18
2018-08-01
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local LuaModuleDoc = { suite = "LuaModuleDoc",
local LuaModuleDoc = { suite = "LuaModuleDoc",
serial = "2018-02-18",
serial = "2018-08-01",
item = 12981914 }
item = 12981914,
frame = false,
ns = -9999,
-- current namespace number
nsDocs = -99999,
-- central documentation namespace number
title = false,
-- current page Title object
transl = false }
--[=[
--[=[
Support {{LuaModuleDoc}}
Support {{LuaModuleDoc}}
Zeile 7: Zeile 15:
* failsafe()
* failsafe()
]=]
]=]



-- Module globals
local CurrentTitle
local Frame




Zeile 21: Zeile 23:
-- arg -- string or number; argument identifier
-- arg -- string or number; argument identifier
-- assign -- any, optional; default value
-- assign -- any, optional; default value
-- Uses:
local r = Frame.args[ arg ]
-- > LuaModuleDoc.frame
local r = LuaModuleDoc.frame.args[ arg ]
if type( r ) ~= "string" then
if type( r ) ~= "string" then
if assign == nil then
if assign == nil then
Zeile 65: Zeile 69:
-- string
-- string
-- Uses:
-- Uses:
-- > LuaModuleDoc.frame
-- fetch()
-- fetch()
-- MediaWiki:Move-leave-redirect Weiterleitung erstellen
-- MediaWiki:Move-leave-redirect Weiterleitung erstellen
Zeile 101: Zeile 106:
end
end
path = { sub, mw.uri.buildQueryString( create ) }
path = { sub, mw.uri.buildQueryString( create ) }
r = Frame:callParserFunction( "fullurl", path )
r = LuaModuleDoc.frame:callParserFunction( "fullurl", path )
show = mw.message.new( show ):plain()
show = mw.message.new( show ):plain()
button = mw.title.makeTitle( mw.site.namespaces.Template.id,
button = mw.title.makeTitle( mw.site.namespaces.Template.id,
Zeile 111: Zeile 116:
Link = r,
Link = r,
Text = show }
Text = show }
r = Frame:expandTemplate{ title = button.template,
r = LuaModuleDoc.frame:expandTemplate{
args = button }
title = button.template,
args = button }
else
else
r = string.format( "<br>[%s '''%s''']", r, show )
r = string.format( "<br>[%s '''%s''']", r, show )
Zeile 126: Zeile 132:
-- script -- string; module name (main)
-- script -- string; module name (main)
-- Uses:
-- Uses:
-- > LuaModuleDoc.title
-- > LuaModuleDoc.frame
-- fetch()
-- fetch()
-- >< CurrentTitle
-- mw.wikibase.getEntity()
-- mw.title.makeTitle()
-- Return:
-- Return:
-- string
-- string
-- Uses:
-- mw.wikibase.getEntity()
-- mw.title.makeTitle()
local entity = mw.wikibase.getEntity()
local entity = mw.wikibase.getEntity()
local r
local r
Zeile 150: Zeile 156:
t = mw.title.makeTitle( space, s )
t = mw.title.makeTitle( space, s )
s = "//" .. repo.host
s = "//" .. repo.host
if mw.title.equals( CurrentTitle, t ) and
if mw.title.equals( LuaModuleDoc.title, t ) and
mw.site.server:find( s, 1, true ) then
mw.site.server:find( s, 1, true ) then
mode = 2
mode = 2
Zeile 160: Zeile 166:
s = fetch( "templateGlobal", "" )
s = fetch( "templateGlobal", "" )
if #s > 0 then
if #s > 0 then
local lucky, bib = pcall( require,
local l, bib = pcall( require,
CurrentTitle.prefixedText )
LuaModuleDoc.title.prefixedText )
local vsn = entity:formatPropertyValues( "P348" )
local vsn = entity:formatPropertyValues( "P348" )
params = { }
params = { }
Zeile 195: Zeile 201:
params.update = "1"
params.update = "1"
end
end
r = Frame:expandTemplate{ title=s,
r = LuaModuleDoc.frame:expandTemplate{ title=s,
args=params }
args=params }
end
end
end
end
Zeile 232: Zeile 238:




local function navDevelop( nsDocs, start, script )
local function navDevelop( start, script )
-- Most interesting test and development page
-- Most interesting test and development page
-- Precondition:
-- Precondition:
-- nsDocs -- number; central documentation namespace number
-- start -- string; central documentation root
-- start -- string; central documentation root
-- script -- string; basic module name
-- script -- string; basic module name
Zeile 241: Zeile 246:
-- string or false: full page name, if any
-- string or false: full page name, if any
-- Uses:
-- Uses:
-- > LuaModuleDoc.nsDocs
-- mw.title.makeTitle()
-- mw.title.makeTitle()
local n = nsDocs
local n = LuaModuleDoc.nsDocs
local r = false
local r = false
local sub = "/" .. fetch( "subTest", "Test" )
local sub = "/" .. fetch( "subTest", "Test" )
Zeile 280: Zeile 286:
-- specific -- string, optional; additional information
-- specific -- string, optional; additional information
-- Uses:
-- Uses:
-- > LuaModuleDoc.frame
-- fetch()
-- fetch()
local show = fetch( "pageErr" )
local show = fetch( "pageErr" )
Zeile 288: Zeile 295:
table.insert( pars, specific )
table.insert( pars, specific )
end
end
r = Frame:expandTemplate{ title = show, args = pars }
r = LuaModuleDoc.frame:expandTemplate{ title = show,
args = pars }
else
else
local e = mw.html.create( "span" )
local e = mw.html.create( "span" )
Zeile 334: Zeile 342:




local function navLangs( nsDocs, start, script )
local function navLangs( start, script )
-- Analyze languages
-- Analyze languages
-- Precondition:
-- Precondition:
-- current page is supposed to transclude LuaModuleDoc
-- current page is supposed to transclude LuaModuleDoc
-- nsDocs -- number; central documentation namespace number
-- start -- string; central documentation root
-- start -- string; central documentation root
-- script -- string; basic module name
-- script -- string; basic module name
-- Return:
-- Postcondition:
-- table: args for navigation template
-- LuaModuleDoc.transl is set up as table:
-- [1] basic module name
-- args for navigation template
-- [2] number of language codes + 1
-- [1] basic module name
-- [3] first language code
-- [2] number of language codes + 1
-- [4] second language code
-- [3] first language code
-- ... list of further language codes
-- [4] second language code
-- ... list of further language codes
-- Uses:
-- Uses:
-- > LuaModuleDoc.nsDocs
-- < LuaModuleDoc.transl
-- fetch()
-- fetch()
-- navLang()
-- navLang()
-- mw.title.makeTitle()
-- mw.title.makeTitle()
local e, i, s, t
local e, i, s, t
local r = { }
local specified = fetch( "langsRequest", false )
local specified = fetch( "langsRequest", false )
local super = start .. "/" .. script .. "/"
local super = start .. "/" .. script .. "/"
LuaModuleDoc.transl = { }
if type( specified ) == "string" then
if type( specified ) == "string" then
if specified:match( "^%s*$" ) then
if specified:match( "^%s*$" ) then
Zeile 361: Zeile 371:
end
end
end
end
navLang( fetch( "langsDefault" ), r, specified )
navLang( fetch( "langsDefault" ), LuaModuleDoc.transl, specified )
navLang( fetch( "langsMore" ), r, true )
navLang( fetch( "langsMore" ), LuaModuleDoc.transl, true )
navLang( specified, r, false )
navLang( specified, LuaModuleDoc.transl, false )
if #r < 1 then
if #LuaModuleDoc.transl < 1 then
r = { { "en", false } }
LuaModuleDoc.transl = { { "en", false } }
end
end
for i = #r, 1, -1 do
for i = #LuaModuleDoc.transl, 1, -1 do
e = r[ i ]
e = LuaModuleDoc.transl[ i ]
s = e[ 1 ]
s = e[ 1 ]
if e[ 2 ] then
if e[ 2 ] then
t = mw.title.makeTitle( nsDocs, super .. s )
t = mw.title.makeTitle( LuaModuleDoc.nsDocs, super .. s )
if not t.exists then
if not t.exists then
s = false
s = false
Zeile 377: Zeile 387:
end
end
if s then
if s then
r[ i ] = s
LuaModuleDoc.transl[ i ] = s
else
else
table.remove( r, i )
table.remove( LuaModuleDoc.transl, i )
end
end
end -- for i -1
end -- for i -1
table.insert( r, 1, script )
table.insert( LuaModuleDoc.transl,
table.insert( r, 2, tostring( #r ) )
1,
script )
return r
table.insert( LuaModuleDoc.transl,
2,
tostring( #LuaModuleDoc.transl ) )
end -- navLangs()
end -- navLangs()






local function navMerge( start, swift, ns, nsDocs, script, sub, lead )
local function navMerge( start, swift, script, sub, lead )
-- Include various external content into page
-- Include various external content into page
-- Precondition:
-- Precondition:
-- start -- string; defined pageDocRoot argument
-- start -- string; defined pageDocRoot argument
-- swift -- string; defined pageNav argument
-- swift -- string; defined pageNav argument
-- ns -- number; current namespace number
-- nsDocs -- number; central documentation namespace number
-- script -- string; module name (main)
-- script -- string; module name (main)
-- sub -- string or false; possible sub-module name
-- sub -- string or false; possible sub-module name
-- lead -- true: Module: namespace; false: text namespace
-- lead -- true: Module: namespace; false: text namespace
-- Uses:
-- Uses:
-- >< CurrentTitle
-- > LuaModuleDoc.transl
-- navLangs()
-- > LuaModuleDoc.ns
-- > LuaModuleDoc.nsDocs
-- > LuaModuleDoc.title
-- > LuaModuleDoc.frame
-- navError()
-- navError()
-- mw.title.makeTitle()
-- mw.title.makeTitle()
-- createPage()
-- createPage()
-- fetch()
-- fetch()
local server = mw.site.server
local server = mw.site.server
local super = false
local super = false
local collect = navLangs( nsDocs, start, script )
local t = navDevelop( start, script )
local t = navDevelop( nsDocs, start, script )
local collect, low, r, s
collect = LuaModuleDoc.transl
local low, r, s
if t then
if t then
collect.Test = t
collect.Test = t
end
end
if ns == nsDocs then
if LuaModuleDoc.ns == LuaModuleDoc.nsDocs then
s = string.format( "%s/%s", start, script )
s = string.format( "%s/%s", start, script )
if CurrentTitle.text == s then
if LuaModuleDoc.title.text == s then
super = CurrentTitle.text .. "/"
super = LuaModuleDoc.title.text .. "/"
elseif sub then
elseif sub then
collect.subDoc = sub
collect.subDoc = sub
collect.subModule = sub
collect.subModule = sub
s = string.format( "%s/%s/%s", start, script, sub )
s = string.format( "%s/%s/%s", start, script, sub )
if CurrentTitle.text == s then
if LuaModuleDoc.title.text == s then
s = string.format( "%s/%s", s, collect[ 3 ] )
s = string.format( "%s/%s", s, collect[ 3 ] )
t = mw.title.makeTitle( nsDocs, s )
t = mw.title.makeTitle( LuaModuleDoc.nsDocs, s )
if t.exists then
if t.exists then
super = CurrentTitle.text .. "/"
super = LuaModuleDoc.title.text .. "/"
end
end
end
end
Zeile 432: Zeile 446:
elseif lead and sub then
elseif lead and sub then
s = string.format( "%s/%s/%s", start, script, sub )
s = string.format( "%s/%s/%s", start, script, sub )
t = mw.title.makeTitle( nsDocs, s )
t = mw.title.makeTitle( LuaModuleDoc.nsDocs, s )
if t.exists then
if t.exists then
collect.subDoc = sub
collect.subDoc = sub
Zeile 446: Zeile 460:
end
end
end
end
r = Frame:expandTemplate{ title = swift, args = collect }
r = LuaModuleDoc.frame:expandTemplate{ title = swift,
args = collect }
if not low then
if not low then
t = CurrentTitle.talkPageTitle
t = LuaModuleDoc.title.talkPageTitle
if ns == mw.site.namespaces.Module.id then
if LuaModuleDoc.ns == mw.site.namespaces.Module.id then
local doc
local doc
s = string.format( "%s/%s", start, script )
s = string.format( "%s/%s", start, script )
doc = mw.title.makeTitle( nsDocs, s )
doc = mw.title.makeTitle( LuaModuleDoc.nsDocs, s )
if not doc.exists then
if not doc.exists then
r = r .. createPage( "NoPageCentral",
r = r .. createPage( "NoPageCentral",
doc.prefixedText,
doc.prefixedText,
start,
start,
nsDocs,
LuaModuleDoc.nsDocs,
script )
script )
t = false
t = false
Zeile 465: Zeile 480:
if super then
if super then
s = "NoTalkCentral"
s = "NoTalkCentral"
elseif ns == nsDocs + 1 then
elseif LuaModuleDoc.ns == LuaModuleDoc.nsDocs + 1 then
s = false
s = false
else
else
Zeile 477: Zeile 492:
t.prefixedText,
t.prefixedText,
start,
start,
nsDocs + 1,
LuaModuleDoc.nsDocs + 1,
script ) )
script ) )
end
end
Zeile 488: Zeile 503:
local space, sub, support
local space, sub, support
for i = 3, #collect do
for i = 3, #collect do
t = mw.title.makeTitle( nsDocs, super .. collect[ i ] )
t = mw.title.makeTitle( LuaModuleDoc.nsDocs,
super .. collect[ i ] )
s = t:getContent()
s = t:getContent()
if s then
if s then
Zeile 499: Zeile 515:
else
else
r = r ..
r = r ..
Frame:expandTemplate{ title = t.prefixedText }
LuaModuleDoc.frame:expandTemplate{
title = t.prefixedText }
break -- for i
break -- for i
end
end
Zeile 513: Zeile 530:
swift = string.format( "%s/%s", swift, sub )
swift = string.format( "%s/%s", swift, sub )
end
end
r = r .. Frame:expandTemplate{ title = s,
r = r ..
args = { swift } }
LuaModuleDoc.frame:expandTemplate{ title = s,
args = { swift } }
end
end
end
end
Zeile 535: Zeile 553:




local function navPage( lead, ns, nsDocs )
local function navPage( lead )
-- Return navigation text; analyze page location
-- Return navigation text; analyze page location
-- Precondition:
-- Precondition:
-- current namespace will support LuaModuleDoc
-- current namespace will support LuaModuleDoc
-- lead -- true: Module: namespace; false: text namespace
-- lead -- true: Module: namespace; false: text namespace
-- ns -- number; current namespace
-- nsDocs -- number; namespace for doc
-- Uses:
-- Uses:
-- >< CurrentTitle
-- > LuaModuleDoc.title
-- > LuaModuleDoc.transl
-- fetch()
-- fetch()
-- navError()
-- navLangs()
-- navMerge()
-- navMerge()
-- navError()
local r
local r
local start = fetch( "pageDocRoot" )
local start = fetch( "pageDocRoot" )
Zeile 556: Zeile 574:
end
end
s = s .. "([^/]+)/(.*/?)$"
s = s .. "([^/]+)/(.*/?)$"
script, s = string.match( CurrentTitle.text .. "/", s )
script, s = string.match( LuaModuleDoc.title.text .. "/", s )
if type( script ) == "string" then
if type( script ) == "string" then
local sub = false
local sub = false
local swift = fetch( "pageNav" )
local swift = fetch( "pageNav" )
navLangs( start, script )
if type( s ) == "string" then
if type( s ) == "string" then
if #s > 1 then
if #s > 1 then
Zeile 568: Zeile 587:
if q.exists and q.contentModel == "Scribunto" then
if q.exists and q.contentModel == "Scribunto" then
sub = s
sub = s
for i = 1, #LuaModuleDoc.transl do
if LuaModuleDoc.transl[ i ] == s then
sub = false
break -- for i
end
end -- for i
end
end
end
end
end
end
if type( swift ) == "string" then
if type( swift ) == "string" then
r = navMerge( start, swift, ns, nsDocs, script, sub, lead )
r = navMerge( start,
swift,
script,
sub,
lead )
else
else
r = navError( "configMissing", "pageNav" )
r = navError( "configMissing", "pageNav" )
end
end
else
else
r = navError( "BadPage" ) .. CurrentTitle.text
r = navError( "BadPage" ) .. LuaModuleDoc.title.text
end
end
else
else
Zeile 590: Zeile 619:
-- Start execution; return navigation text; analyze namespace
-- Start execution; return navigation text; analyze namespace
-- Uses:
-- Uses:
-- >< CurrentTitle
-- < LuaModuleDoc.title
-- < LuaModuleDoc.ns
-- < LuaModuleDoc.nsDocs
-- fetch()
-- fetch()
-- mw.title.getCurrentTitle()
-- mw.title.getCurrentTitle()
Zeile 598: Zeile 629:
local nsDocs = fetch( "nsDocs" )
local nsDocs = fetch( "nsDocs" )
if nsDocs then
if nsDocs then
local lead
CurrentTitle = mw.title.getCurrentTitle()
local ns = CurrentTitle.namespace
LuaModuleDoc.title = mw.title.getCurrentTitle()
local lead = ( ns == mw.site.namespaces.Module.id )
LuaModuleDoc.ns = LuaModuleDoc.title.namespace
nsDocs = tonumber( nsDocs )
lead = ( LuaModuleDoc.ns ==
if lead or ns == nsDocs or ns == nsDocs + 1 then
mw.site.namespaces.Module.id )
r = navPage( lead, ns, nsDocs )
LuaModuleDoc.nsDocs = tonumber( nsDocs )
if lead or
LuaModuleDoc.ns == LuaModuleDoc.nsDocs or
LuaModuleDoc.ns == LuaModuleDoc.nsDocs + 1 then
r = navPage( lead )
else
else
r = navError( "BadNamespace" )
r = navError( "BadNamespace" )
Zeile 615: Zeile 650:




LuaModuleDoc.failsafe = function ( assert )
-- Provide template access
-- Retrieve versioning and check for compliance
-- Precondition:
-- assert -- string, with required version or "wikidata",
-- or false
-- Postcondition:
-- Returns string with appropriate version, or false
local r
if since == "wikidata" then
local item = LuaModuleDoc.item
since = false
if type( item ) == "number" and item > 0 then
local ent = mw.wikibase.getEntity( string.format( "Q%d",
item ) )
if type( ent ) == "table" then
local vsn = ent:formatPropertyValues( "P348" )
if type( vsn ) == "table" and
type( vsn.value) == "string" and
vsn.value ~= "" then
r = vsn.value
end
end
end
end
if not r then
if not since or since <= LuaModuleDoc.serial then
r = LuaModuleDoc.serial
else
r = false
end
end
return r
end -- LuaModuleDoc.failsafe()




-- Provide template access
local p = {}
local p = {}


function p.nav( frame )
function p.nav( frame )
-- Uses:
-- Uses:
-- < LuaModuleDoc.frame
-- navigation()
-- navigation()
local lucky, r
local lucky, r
Frame = frame
LuaModuleDoc.frame = frame
lucky, r = pcall( navigation )
lucky, r = pcall( navigation )
if not lucky then
if not lucky then
Zeile 634: Zeile 705:
end
end



function p.failsafe()

return LuaModuleDoc.serial
p.failsafe = function ( frame )
-- Check or retrieve version information
-- Precondition:
-- frame -- object; #invoke environment
-- Postcondition:
-- Return string with error message or ""
-- Uses:
-- LuaModuleDoc.failsafe()
local s = type( frame )
local since
if s == "table" then
since = frame.args[ 1 ]
elseif s == "string" then
since = frame
end
if since then
since = mw.text.trim( since )
if since == "" then
since = false
end
end
return LuaModuleDoc.failsafe( since ) or ""
end -- p.failsafe()
end -- p.failsafe()



Version vom 7. August 2018, 11:35 Uhr

Vorlagen-
programmierung
Diskussionen Lua Unterseiten
Modul Deutsch English

Esperanto Dolnoserbski Hornjoserbsce Modul: WP:Lua

Diese Seite enthält Code in der Programmiersprache Lua. Einbindungszahl Cirrus

Dies ist die (produktive) Mutterversion eines global benutzten Lua-Moduls.
Wenn die serial-Information nicht übereinstimmt, müsste eine Kopie hiervon in das lokale Wiki geschrieben werden.
Versionsbezeichnung auf WikiData: 2024-03-01

Updating notwendig

(lokal: 2018-08-01)

local LuaModuleDoc = { suite  = "LuaModuleDoc",
                       serial = "2018-08-01",
                       item   = 12981914,
                       frame  = false,
                       ns     = -9999,
                                -- current namespace number
                       nsDocs = -99999,
                                -- central documentation namespace number
                       title  = false,
                                -- current page Title object
                       transl = false }
--[=[
Support {{LuaModuleDoc}}
* nav()
* failsafe()
]=]



local function fetch( arg, assign )
    -- Retrieve template argument
    -- Precondition:
    --     arg     -- string or number; argument identifier
    --     assign  -- any, optional; default value
    -- Uses:
    --     >  LuaModuleDoc.frame
    local r = LuaModuleDoc.frame.args[ arg ]
    if type( r ) ~= "string" then
        if assign == nil then
            r = "{{{<" .. arg .. ">}}}"
        else
            r = assign
        end
    end
    return r
end -- fetch()



local function catIfDefined( slot )
    -- Categorize if category defined
    --     slot  -- string; Config entry
    -- Return:
    --     string or false:  categorization, if any
    -- Uses:
    --     mw.title.makeTitle()
    local s = fetch( slot, "" )
    local r
    if #s > 0 then
        local t = mw.title.makeTitle( "Category", s )
        if t.exists then
            r = string.format( "[[%s]]", t.prefixedText )
        end
    end
    return r
end -- catIfDefined()



local function createPage( swift, sub, start, ns, script )
    -- Create button for page creation
    --     swift   -- string;
    --                "NoPageCentral", "NoTalkCentral", "NoTalkRedir"
    --     sub     -- string; page name to be created
    --     start   -- string; defined pageDocRoot argument
    --     ns      -- number; namespace
    --     script  -- string; module name (main)
    -- Return:
    --     string
    -- Uses:
    --     >  LuaModuleDoc.frame
    --     fetch()
    -- MediaWiki:Move-leave-redirect   Weiterleitung erstellen
    -- MediaWiki:autosumm-new          Seite wurde neu angelegt: „$1“
    local setup = "preload" .. swift:sub( 7 )
    local r
    setup = fetch( setup )
    if setup then
        local create = { action  = "edit",
                         preload = setup,
                         redlink = "1" }
        local button, path, show, story, summary
        if swift == "NoTalkRedir" then
            show    = "move-leave-redirect"
            story   = string.format( "%s/%s", start, script )
            story   = mw.title.makeTitle( ns, story ).prefixedText
            story   = string.format( "[[%s]]", story )
            summary = "#redirect " .. story
        else
            local s = fetch( "langsRequest", false )
            show    = "recreate"
            if s then
                s = mw.text.trim( s )
                if s ~= "" then
                    s = "|" .. s
                end
            end
            story = ( s or "" )
            summary = "{{LuaModuleDoc}}"
        end
    --  summary = mw.message.new( "autosumm-new" ):params( summary )
        create.summary      = summary
        create.preloadtitle = summary
        if story then
            create[ "preloadparams[]" ] = story
        end
        path   = { sub,  mw.uri.buildQueryString( create ) }
        r      = LuaModuleDoc.frame:callParserFunction( "fullurl", path )
        show   = mw.message.new( show ):plain()
        button = mw.title.makeTitle( mw.site.namespaces.Template.id,
                                     "MediaWiki-Button" )
        if button.exists then
            button = { template = button.text,
                       Typ      = "progressive",
                       ["Groß"] = "1",
                       Link     = r,
                       Text     = show }
            r      = LuaModuleDoc.frame:expandTemplate{
                                                 title = button.template,
                                                 args  = button }
        else
            r = string.format( "<br>[%s '''%s''']", r, show )
        end
    end
    return r or ""
end -- createPage()



local function globalRepos( script )
    -- Check for global dissemination
    --     script  -- string; module name (main)
    -- Uses:
    --     >  LuaModuleDoc.title
    --     >  LuaModuleDoc.frame
    --     fetch()
    --     mw.wikibase.getEntity()
    --     mw.title.makeTitle()
    -- Return:
    --     string
    local entity = mw.wikibase.getEntity()
    local r
    if type( entity ) == "table" then
        local mode = 0
        local repo = entity:formatPropertyValues( "P1324" )
        local params, s, t
        if type( repo ) == "table"  and
           type( repo.value) == "string"  and
           repo.value:find( "//" ) then
            repo = mw.uri.new( repo.value )
            if type( repo.path ) == "string"  and
               repo.path:match( "^/wiki/" ) then
                local space
                space, s = repo.path:sub( 7 ):match( "^([^:]+):(.+)$" )
                if space and s then
                    t = mw.title.makeTitle( space, s )
                    s = "//" .. repo.host
                    if mw.title.equals( LuaModuleDoc.title, t )  and
                       mw.site.server:find( s, 1, true ) then
                        mode = 2
                    else
                        mode = 1
                    end
                end
            end
            s = fetch( "templateGlobal", "" )
            if #s > 0 then
                local l, bib = pcall( require,
                                      LuaModuleDoc.title.prefixedText )
                local vsn = entity:formatPropertyValues( "P348" )
                params = { }
                if mode < 2 then
                    params[ 1 ] = string.format( "[%s %s]",
                                                 tostring( repo ),
                                                 repo.host )
                end
                if type( vsn ) == "table"  and
                   type( vsn.value) == "string" and
                   vsn.value ~= "" then
                    params.version = vsn.value
                end
                if type( bib ) == "table"  and  bib.failsafe then
                    t = type( bib.failsafe )
                    if t == "function" then
                        bib = bib.failsafe( { args = { } } )
                        t    = type( bib )
                    else
                        bib = bib.failsafe
                    end
                    if t == "number" then
                        bib = string.format( "%d", bib )
                        t    = "string"
                    end
                    if t == "string" then
                        params.here = bib
                    end
                end
                if fetch( "forkedGlobal", "0" ) ~= "1"  and
                   params.version  and  params.here  and
                   params.version ~= params.here  then
                    params.update = "1"
                end
                r = LuaModuleDoc.frame:expandTemplate{ title=s,
                                                       args=params }
            end
        end
        s = fetch( "categoryWikiData", "" )
        if #s > 0 then
            local slot
            if mode > 0 then
                if mode == 2 then
                    slot = catIfDefined( "categoryWikiDataParent" )
                else
                    slot = catIfDefined( "categoryWikiDataChild" )
                end
            end
            if not slot then
                slot = catIfDefined( s )
            end
            if slot then
                if r then
                    r = r .. slot
                else
                    r = slot
                end
                if params and params.update then
                    slot = catIfDefined( "categoryWikiDataReplication" )
                    if slot then
                        r = r .. slot
                    end
                end
            end
        end
    end
    return r or ""
end -- globalRepos()



local function navDevelop( start, script )
    -- Most interesting test and development page
    -- Precondition:
    --     start   -- string; central documentation root
    --     script  -- string; basic module name
    -- Return:
    --     string or false:  full page name, if any
    -- Uses:
    --     >  LuaModuleDoc.nsDocs
    --     mw.title.makeTitle()
    local n   = LuaModuleDoc.nsDocs
    local r   = false
    local sub = "/" .. fetch( "subTest", "Test" )
    local s   = string.format( "%s/%s%s", start, script, sub )
    local t   = mw.title.makeTitle( n, s )
    if not t.exists then
        local low    = false
        local subLow = mw.ustring.lower( sub )
        if subLow ~= sub then
            s   = string.format( "%s/%s%s", start, script, subLow )
            t   = mw.title.makeTitle( n, s )
            low = t.exists
        end
        if not low then
            n = mw.site.namespaces.Module.id
            s = string.format( "%s/%s", script, sub )
            t = mw.title.makeTitle( n, s )
            if not t.exists  and  subLow ~= sub then
                s = script .. subLow
                t = mw.title.makeTitle( n, s )
                t = t.exists
            end
        end
    end
    if t then
        r =  mw.site.namespaces[ n ].name .. ":" .. s
    end
    return r
end -- navDevelop()



local function navError( say, specific )
    -- Return error message, evaluate page .pageErr
    -- Precondition:
    --     say       -- string; message key
    --     specific  -- string, optional; additional information
    -- Uses:
    --     >  LuaModuleDoc.frame
    --     fetch()
    local show = fetch( "pageErr" )
    local r
    if type( show ) == "string" then
        local pars = { say }
        if type( specific ) == "string" then
            table.insert( pars, specific )
        end
        r = LuaModuleDoc.frame:expandTemplate{ title = show,
                                               args = pars }
    else
        local e = mw.html.create( "span" )
                         :attr( "class", "error" )
                         :wikitext( error( "arg 'pageErr' missing", 3 ) )
        r = tostring( e )
    end
    return r
end -- navError()



local function navLang( suite, collect, lazy )
    -- Append languages from string to collection
    -- Precondition:
    --     suite    -- string; space separated source
    --     collect  -- table; to be extended
    --                 every element: { langCode, lazy }
    --     lazy     -- true if only existing page is to be linked
    if type( suite ) == "string" then
        local raw = mw.text.split( suite, "%s+" )
        local e, i, j, s
        for i = 1, #raw do
            s = raw[ i ]
            if #s > 1 then
                for j = 1, #collect do
                    if s then
                        e = collect[ j ]
                        if e[ 1 ] == s then
                            s = false
                            if not lazy then
                                e[ 2 ] = false
                            end
                        end
                    end
                end -- for j
                if s then
                    table.insert( collect,  { s, lazy } )
                end
            end
        end -- for i
    end
end -- navLang()



local function navLangs( start, script )
    -- Analyze languages
    -- Precondition:
    --     current page is supposed to transclude LuaModuleDoc
    --     start   -- string; central documentation root
    --     script  -- string; basic module name
    -- Postcondition:
    --     LuaModuleDoc.transl is set up as table:
    --                         args for navigation template
    --                         [1] basic module name
    --                         [2] number of language codes  +  1
    --                         [3] first language code
    --                         [4] second language code
    --                         ... list of further language codes
    -- Uses:
    --     >  LuaModuleDoc.nsDocs
    --      < LuaModuleDoc.transl
    --     fetch()
    --     navLang()
    --     mw.title.makeTitle()
    local e, i, s, t
    local specified = fetch( "langsRequest", false )
    local super     = start .. "/" .. script .. "/"
    LuaModuleDoc.transl = { }
    if type( specified ) == "string" then
        if specified:match( "^%s*$" ) then
            specified = false
        end
    end
    navLang( fetch( "langsDefault" ),  LuaModuleDoc.transl,  specified )
    navLang( fetch( "langsMore" ),  LuaModuleDoc.transl,  true  )
    navLang( specified, LuaModuleDoc.transl, false )
    if #LuaModuleDoc.transl < 1 then
        LuaModuleDoc.transl = { { "en", false } }
    end
    for i = #LuaModuleDoc.transl, 1, -1 do
        e = LuaModuleDoc.transl[ i ]
        s = e[ 1 ]
        if e[ 2 ] then
            t = mw.title.makeTitle( LuaModuleDoc.nsDocs,  super .. s )
            if not t.exists then
                s = false
            end
        end
        if s then
            LuaModuleDoc.transl[ i ] = s
        else
            table.remove( LuaModuleDoc.transl, i )
        end
    end -- for i -1
    table.insert( LuaModuleDoc.transl,
                  1,
                  script )
    table.insert( LuaModuleDoc.transl,
                  2,
                  tostring( #LuaModuleDoc.transl ) )
end -- navLangs()



local function navMerge( start, swift, script, sub, lead )
    -- Include various external content into page
    -- Precondition:
    --     start   -- string; defined pageDocRoot argument
    --     swift   -- string; defined pageNav argument
    --     script  -- string; module name (main)
    --     sub     -- string or false; possible sub-module name
    --     lead    -- true: Module: namespace;   false: text namespace
    -- Uses:
    --     >  LuaModuleDoc.transl
    --     >  LuaModuleDoc.ns
    --     >  LuaModuleDoc.nsDocs
    --     >  LuaModuleDoc.title
    --     >  LuaModuleDoc.frame
    --     navError()
    --     mw.title.makeTitle()
    --     createPage()
    --     fetch()
    local server = mw.site.server
    local super  = false
    local t      = navDevelop( start, script )
    local collect, low, r, s
    collect = LuaModuleDoc.transl
    if t then
        collect.Test = t
    end
    if LuaModuleDoc.ns == LuaModuleDoc.nsDocs then
        s = string.format( "%s/%s", start, script )
        if LuaModuleDoc.title.text == s then
            super = LuaModuleDoc.title.text .. "/"
        elseif sub then
            collect.subDoc = sub
            collect.subModule = sub
            s = string.format( "%s/%s/%s", start, script, sub )
            if LuaModuleDoc.title.text == s then
                s = string.format( "%s/%s", s, collect[ 3 ] )
                t = mw.title.makeTitle( LuaModuleDoc.nsDocs, s )
                if t.exists then
                    super = LuaModuleDoc.title.text .. "/"
                end
            end
        end
    elseif lead and sub then
        s = string.format( "%s/%s/%s", start, script, sub )
        t = mw.title.makeTitle( LuaModuleDoc.nsDocs, s )
        if t.exists then
            collect.subDoc = sub
        end
    end
    if server:match( "%.beta%.wmflabs%.org$" ) then
        local slang, series = server:match( "//(%l+)%.(%l+)%." )
        low = true
        if series == "wikipedia" then
            if slang == "de" then
                collect.BETA = "w:de:"   --Talk
            end
        end
    end
    r = LuaModuleDoc.frame:expandTemplate{ title = swift,
                                           args = collect }
    if not low then
        t = LuaModuleDoc.title.talkPageTitle
        if LuaModuleDoc.ns == mw.site.namespaces.Module.id then
            local doc
            s   = string.format( "%s/%s", start, script )
            doc = mw.title.makeTitle( LuaModuleDoc.nsDocs, s )
            if not doc.exists then
                r = r .. createPage( "NoPageCentral",
                                     doc.prefixedText,
                                     start,
                                     LuaModuleDoc.nsDocs,
                                     script )
                t = false
            end
        end
        if t  and  not t.exists then
            if super then
                s = "NoTalkCentral"
            elseif LuaModuleDoc.ns == LuaModuleDoc.nsDocs + 1 then
                s = false
            else
                s = "NoTalkRedir"
            end
            if s then
                r = string.format( "%s%s%s",
                                   r,
                                   navError( s ),
                                   createPage( s,
                                               t.prefixedText,
                                               start,
                                               LuaModuleDoc.nsDocs + 1,
                                               script ) )
            end
        end
    end
    if super then
        local d  = "{{%s*[lL]uaModuleDoc[^}]*}}%s*"
        local p1 = "^%s*" .. d .. "<onlyinclude>"
        local p2 = "%s*<noinclude>" .. d .. "</noinclude>"
        local space, sub, support
        for i = 3, #collect do
            t = mw.title.makeTitle( LuaModuleDoc.nsDocs,
                                    super .. collect[ i ] )
            s = t:getContent()
            if s then
                s = s:gsub( p1, "" ):gsub( p2, "" )
                if s:match( d ) then
                    r = string.format( "%s<br />%s<br />",
                                       r,
                                       navError( "BadInclude",
                                                 t.prefixedText ) )
                else
                    r = r ..
                        LuaModuleDoc.frame:expandTemplate{
                                                 title = t.prefixedText }
                    break    -- for i
                end
            end
        end -- for i
        s = fetch( "pageTemplateInsert", "" )
        space, support = s:match( "^([^:]+):(.+)$" )
        if space  and  mw.title.makeTitle( space, support ).exists then
            local suppress = fetch( "noHint", "" )
            if #suppress == 0 then
                local swift = collect[ 1 ]
                if sub then
                    swift = string.format( "%s/%s", swift, sub )
                end
                r = r ..
                    LuaModuleDoc.frame:expandTemplate{ title = s,
                                                       args = { swift } }
            end
        end
        s = fetch( "categoryDocs", "" )
        if #s > 0 then
            i = mw.title.makeTitle( "Category", s )
            if i.exists then
                r = string.format( "%s[[%s|%s]]",
                                   r, i.prefixedText, collect[ 1 ] )
            end
        end
        r = r .. "__NOEDITSECTION__"
    end
    if lead then
        r = r .. globalRepos( script )
    end
    return r
end -- navMerge()



local function navPage( lead )
    -- Return navigation text; analyze page location
    -- Precondition:
    --     current namespace will support LuaModuleDoc
    --     lead    -- true: Module: namespace;   false: text namespace
    -- Uses:
    --     >  LuaModuleDoc.title
    --     >  LuaModuleDoc.transl
    --     fetch()
    --     navLangs()
    --     navMerge()
    --     navError()
    local r
    local start = fetch( "pageDocRoot" )
    if type( start ) == "string" then
        local s      = "^"
        local script
        if not lead then
            s = "^" .. start .. "/"
        end
        s = s .. "([^/]+)/(.*/?)$"
        script, s = string.match( LuaModuleDoc.title.text .. "/",  s )
        if type( script ) == "string" then
            local sub   = false
            local swift = fetch( "pageNav" )
            navLangs( start, script )
            if type( s ) == "string" then
                if #s > 1 then
                    local q
                    s = s:match( "^([^/]+)/.*/?$" )
                    q = mw.title.makeTitle( "Module",
                                            script .. "/" .. s )
                    if q.exists and q.contentModel == "Scribunto" then
                        sub = s
                        for i = 1, #LuaModuleDoc.transl do
                            if LuaModuleDoc.transl[ i ] == s then
                                sub = false
                                break    -- for i
                            end
                        end -- for i
                    end
                end
            end
            if type( swift ) == "string" then
                r = navMerge( start,
                              swift,
                              script,
                              sub,
                              lead )
            else
                r = navError( "configMissing", "pageNav" )
            end
        else
            r = navError( "BadPage" ) .. LuaModuleDoc.title.text
        end
    else
        r = navError( "configMissing", "pageDocRoot" )
    end
    return r
end -- navPage()



local function navigation()
    -- Start execution; return navigation text; analyze namespace
    -- Uses:
    --      < LuaModuleDoc.title
    --      < LuaModuleDoc.ns
    --      < LuaModuleDoc.nsDocs
    --     fetch()
    --     mw.title.getCurrentTitle()
    --     navPage()
    --     navError()
    local r
    local nsDocs = fetch( "nsDocs" )
    if nsDocs then
        local lead
        LuaModuleDoc.title  = mw.title.getCurrentTitle()
        LuaModuleDoc.ns     = LuaModuleDoc.title.namespace
        lead                = ( LuaModuleDoc.ns ==
                                mw.site.namespaces.Module.id )
        LuaModuleDoc.nsDocs = tonumber( nsDocs )
        if lead  or
           LuaModuleDoc.ns == LuaModuleDoc.nsDocs  or
           LuaModuleDoc.ns == LuaModuleDoc.nsDocs + 1 then
            r = navPage( lead )
        else
            r = navError( "BadNamespace" )
        end
    else
        r = navError( "configMissing", "nsDocs" )
    end
    return  r
end -- navigation()



LuaModuleDoc.failsafe = function ( assert )
    -- Retrieve versioning and check for compliance
    -- Precondition:
    --     assert  -- string, with required version or "wikidata",
    --                or false
    -- Postcondition:
    --     Returns  string with appropriate version, or false
    local r
    if since == "wikidata" then
        local item = LuaModuleDoc.item
        since = false
        if type( item ) == "number"  and  item > 0 then
            local ent = mw.wikibase.getEntity( string.format( "Q%d",
                                                              item ) )
            if type( ent ) == "table" then
                local vsn = ent:formatPropertyValues( "P348" )
                if type( vsn ) == "table"  and
                   type( vsn.value) == "string"  and
                   vsn.value ~= "" then
                    r = vsn.value
                end
            end
        end
    end
    if not r then
        if not since  or  since <= LuaModuleDoc.serial then
            r = LuaModuleDoc.serial
        else
            r = false
        end
    end
    return r
end -- LuaModuleDoc.failsafe()



-- Provide template access
local p = {}

function p.nav( frame )
    -- Uses:
    --      < LuaModuleDoc.frame
    --     navigation()
    local lucky, r
    LuaModuleDoc.frame = frame
    lucky, r = pcall( navigation )
    if not lucky then
        local e = mw.html.create( "span" )
                         :attr( "class", "error" )
                         :wikitext( r )
        r = tostring( e )
    end
    return r or ""
end



p.failsafe = function ( frame )
    -- Check or retrieve version information
    -- Precondition:
    --     frame  -- object; #invoke environment
    -- Postcondition:
    --     Return string with error message or ""
    -- Uses:
    --     LuaModuleDoc.failsafe()
    local s = type( frame )
    local since
    if s == "table" then
        since = frame.args[ 1 ]
    elseif s == "string" then
        since = frame
    end
    if since then
        since = mw.text.trim( since )
        if since == "" then
            since = false
        end
    end
    return LuaModuleDoc.failsafe( since )  or  ""
end -- p.failsafe()

return p