Mô đun:TemplateData

local TemplateData = { serial = "2017-11-06",
suite  = "TemplateData" }
local plaintext = require("Module:Plain text")
--=
improve template:TemplateData
**
local Config = {
-- multiple #invoke option names mapped into unique internal fields
cat            = "strange",
classNoNumTOC  = "suppressTOCnum",
--  classParams    = "classTable",
cssParams      = "stylesTable",
cssParWrap     = "stylesTabWrap",
debug          = false,
docpageCreate  = "suffix",
docpageDetect  = "subpage",
msgDescMiss    = "solo",
--  classTable     = false,    -- class for params table
loudly         = false,    -- show exported element, etc.
solo           = false,    -- complaint on missing description
strange        = false,    -- title of maintenance category
stylesTable    = false,    -- styles for params table
stylesTabWrap  = false,    -- styles for params table wrapper
subpage        = false,    -- pattern to identify subpage
suffix         = false,     -- subpage creation scheme
suppressTOCnum = false    -- class for TOC number suppression
}
local Data = {
div     = false,    -- 
got     = false,    -- table, initial templatedata object
heirs   = false,    -- table, params that are inherited
less    = false,    -- main description missing
lasting = false,    -- old syntax encountered
lazy    = false,    -- doc mode; do not generate effective 
leading = false,    -- show TOC
--  low     = false,    -- 1= mode
order   = false,    -- parameter sequence
params  = false,    -- table, exported parameters
scream  = false,    -- error messages
slang   = false,    -- project language code
slim    = false,    -- JSON reduced to plain
source  = false,    -- JSON input
strip   = false,    --  evaluation
tag     = false,    -- table, exported root element
title   = false,    -- page
tree    = false     -- table, rewritten templatedata object
}
local Permit = {
styles  = { required    = "border-left: 3px solid black;",
suggested   = "border-left: 3px solid #888;",
optional    = "border-left: 3px solid #ccc",
deprecated  = "border-left: 3px dotted red; background-color: #FDD;",
tableheadbg = "background-color: #B3B7FF;" },
params  = { aliases     = "table",
autovalue   = "string",
default     = "string table I18N nowiki",
deprecated  = "boolean string",
description = "string table I18N",
example     = "string table I18N nowiki",
label       = "string table I18N",
inherits    = "string",
required    = "boolean",
suggested   = "boolean",
type        = "string" },
root    = { description = "string table I18N",
format      = "string",
maps        = "table",
params      = "table",
paramOrder  = "table",
sets        = "table" },
search  = "{,%%s*('\")%s%%1%%s*:%%s*%%{",
types   = { boolean                   = true,
content                   = true,
date                      = true,
line                      = true,
number                    = true,
string                    = true,
unknown                   = true,
url                       = true,
"wiki-file-name"        = true,
"wiki-page-name"        = true,
"wiki-template-name"    = true,
"wiki-user-name"        = true,
"unbalanced-wikitext"   = true,
"string/line"           = "line",
"string/wiki-page-name" = "wiki-page-name",
"string/wiki-user-name" = "wiki-user-name" }
}
--
-- Generic utility functions
--
local function Fault( alert )
-- Memorize error message
-- Parameter:
--     alert  -- string, error message
if Data.scream then
Data.scream = string.format( "%s *** %s", Data.scream, alert )
else
Data.scream = alert
end
end -- Fault()
local function collapseWhitespace ( a )
	-- Collapses whitespace, HTML style.
return a:gsub( "%s*\n%s*", " " )
:gsub( "%s%s+", " " )
end -- collapseWhitespace
--------------------------------------------------------------------------------
--
local function facet( ask, at )
-- Find physical position of parameter definition in JSON
-- Parameter:
--     ask  -- string, parameter name
--     at   -- number, physical position within definition
-- Returns number, or nil
local seek = string.format( Permit.search,
ask:gsub( "%%", "%%%%" )
:gsub( "(%-.()+*?^$%%)",
"%%%1" ) )
local i, k = Data.source:find( seek, at )
local r, slice, source
while i  and  not r do
source = Data.source:sub( k + 1 )
slice  = source:match( "^%s*\"(^\"+)\"s*:" )
if not slice then
slice = source:match( "^%s*'(^'+)'%s*:" )
end
if ( slice and Permit.params slice  )   or
source:match( "^%s*%}" ) then
r = k
else
i, k = Data.source:find( seek, k )
end
end    -- while i
return r
end -- facet()
local function getLocalizedText( adapt )
-- Retrieve localized text from system message
-- Parameter:
--     adapt  -- string, message ID after "templatedata-"
-- Returns string, with localized text
return mw.message.new( "templatedata-" .. adapt ):plain()
end -- getLocalizedText()
local function faculty( adjust )
-- Test template arg for boolean
--     adjust  -- string or nil
-- Returns boolean
local s = type( adjust )
local r
if s == "string" then
r = mw.text.trim( adjust )
r = ( r ~= ""  and  r ~= "0" )
elseif s == "boolean" then
r = adjust
else
r = false
end
return r
end -- faculty()
local function failures()
-- Retrieve error collection and category
-- Returns string
local r
if Data.scream then
local e = mw.html.create( "span" )
:addClass( "error" )
:wikitext( Data.scream )
r = tostring( e )
mw.addWarning( "TemplateData" .. Data.scream )
if Config.strange then
r = string.format( "%scategory:%s",
r,
Config.strange )
end
else
r = ""
end
return r
end -- failures()
local function handleNoexportWhitespace( adjust )
-- Reduces runs of spaces, including newlines, to a single space, so the
-- whole string is on one line.  blocks are left alone, but the
--  tags themselves are removed.
--     adjust  -- string
-- Returns string, with adjusted text
local r
if adjust:find( "", 1, true ) then
local i    = 1
local j, k = adjust:find( "", i, true )
r = ""
while j do
if j > 1 then
r = r .. collapseWhitespace( adjust:sub( i,  j - 1 ) )
end
i = k + 1
j, k = adjust:find( "", i, true )
if j then
r    = r .. adjust:sub( i,  j - 1 )
i    = k + 1
j, k = adjust:find( "", i, true )
else
Fault( "missing " )
end
end    -- while j
r = r .. adjust:sub( i )
else
r = collapseWhitespace( adjust )
end
return r
end -- handleNoexportWhitespace()
local function faraway( alternatives )
-- Retrieve project language version from multilingual text
-- Parameter:
--     alternatives  -- table, to be evaluated
-- Returns
--     1  -- string, with best match
--     2  -- table of other versions, if any
local n = 0
local variants = { }
local r1, r2
if not Data.slang then
Data.slang = mw.language.getContentLanguage():getCode()
end
for k, v in pairs( alternatives ) do
if type( v ) == "string" then
v = mw.text.trim( v )
if v ~= "" then
variants k  = v
n             = n + 1
end
end
end -- for k, v
if n > 0 then
for k, v in pairs( variants ) do
if v then
if n == 1 then
r1 = v
elseif k:lower() == Data.slang then
variants k  = nil
r1 = v
r2 = variants
break -- for k, v
end
end
end -- for k, v
if not r1 then
local seek = string.format( "^%s-", Data.slang )
for k, v in pairs( variants ) do
if v and k:lower():match( seek ) then
variants k  = nil
r1 = v
r2 = variants
break -- for k, v
end
end -- for k, v
if not r1 then
local others = mw.language.getFallbacksFor( slang )
table.insert( others, "en" )
for i = 1, #others do
seek = others i 
if variants seek  then
r1                   = variants seek 
variants seek  = nil
r2                   = variants
break    -- for i
end
end -- i = 1, #others
end
if not r1 then
for k, v in pairs( variants ) do
if v then
variants k  = nil
r1 = v
r2 = variants
break -- for k, v
end
end -- for k, v
end
end
if r2 then
for k, v in pairs( r2 ) do
if v then
	local baseCode = k:match( "^%s*(%a%a%a?)-?%a*%s*$" )
	if not baseCode or not mw.language.isKnownLanguageTag( baseCode ) then
	Fault( string.format( "Invalid lang=%s", k ))
end
end
end -- for k, v
end
end
return r1, r2
end -- faraway()
local function fathers()
-- Merge params with inherited values
local n = 0
local p = Data.params
local t = Data.tree.params
local p2, t2
for k, v in pairs( Data.heirs ) do
n = n + 1
end -- for k, v
for i = 1, n do
for k, v in pairs( Data.heirs ) do
if v  and  not Data.heirs v  then
n               = n - 1
t k .inherits = nil
Data.heirs k  = nil
p2              = { }
t2              = { }
for k2, v2 in pairs( p v  ) do
p2 k2  = v2
end -- for k2, v2
if p k  then
for k2, v2 in pairs( p k  ) do
if type( v2 ) ~= "nil" then
p2 k2  = v2
end
end -- for k2, v2
end
p k  = p2
for k2, v2 in pairs( t v  ) do
t2 k2  = v2
end -- for k2, v2
for k2, v2 in pairs( t k  ) do
if type( v2 ) ~= "nil" then
t2 k2  = v2
end
end -- for k2, v2
t k  = t2
end
end -- for k, v
end -- i = 1, n
if n > 0 then
local s
for k, v in pairs( Data.heirs ) do
if v then
if s then
s = string.format( "%s | %s", s, k )
else
s = "Circular inherits: " .. k
end
end
end -- for k, v
Fault( s )
end
end -- fathers()
local function feasible( about, asked )
-- Create description head
-- Parameter:
--     about  -- table, supposed to contain description
--     asked  -- true, if mandatory description
-- Returns , with head, or nil
local para = mw.html.create( "div" )
local plus, r
if about and about.description then
if type( about.description ) == "string" then
para:wikitext( about.description )
else
para:wikitext( about.description 1  )
plus = mw.html.create( "ul" )
if not Config.loudly then
plus:addClass( "templatedata-maintain" )
:css( "display", "none" )
end
for k, v in pairs( about.description 2  ) do
plus:node( mw.html.create( "li" )
:node( mw.html.create( "code" )
:wikitext( k ) )
:node( mw.html.create( "br" ) )
:wikitext( handleNoexportWhitespace( v ) ) )
end -- for k, v
end
elseif Config.solo and asked then
para:addClass( "error" )
:wikitext( Config.solo )
Data.less = true
else
para = false
end
if para then
if plus then
r = mw.html.create( "div" )
:node( para )
:node( plus )
else
r = para
end
end
return r
end -- feasible()
local function feat()
-- Check and store parameter sequence
if Data.source then
local i = 0
local s
for k, v in pairs( Data.tree.params ) do
if i == 0 then
Data.order = { }
i = 1
s = k
else
i = 2
break -- for k, v
end
end -- for k, v
if i > 1 then
local pointers = { }
local points   = { }
for k, v in pairs( Data.tree.params ) do
i = facet( k, 1 )
if i then
table.insert( points, i )
pointers i  = k
i = facet( k, i )
if i then
s = "Parameter '%s' detected twice"
Fault( string.format( s, k ) )
end
else
s = "Parameter '%s' not detected"
Fault( string.format( s, k ) )
end
end -- for k, v
table.sort( points )
for i = 1, #points do
table.insert( Data.order,  pointers points i   )
end -- i = 1, #points
elseif s then
table.insert( Data.order, s )
end
end
end -- feat()
local function feature( access )
-- Create table row for parameter, check and display violations
-- Parameter:
--     access  -- string, with name
-- Returns 
local mode, s, status
local fine    = function ( a )
s = mw.text.trim( a )
return a == s  and
a ~= ""  and
not a:find( "%|=\n" )  and
not a:find( "%s%s" )
end
local begin   = mw.html.create( "td" )
local code    = mw.html.create( "code" )
local desc    = mw.html.create( "td" )
local legal   = true
local param   = Data.tree.params access 
local ranking = { "required", "suggested", "optional", "deprecated" }
local r       = mw.html.create( "tr" )
local sort, typed
for k, v in pairs( param ) do
if v == "" then
param k  = false
end
end -- for k, v
-- label
sort = param.label or access
if sort:match( "^%d+$" ) then
begin:attr( "data-sort-value",
string.format( "%05d", tonumber( sort ) ) )
end
begin:css( "font-weight", "bold" )
:wikitext( sort )
-- name and aliases
code:css( "font-size", "92%" )
:css( "white-space", "nowrap" )
:wikitext( access )
if not fine( access ) then
code:addClass( "error" )
Fault( string.format( "Bad ID params.%s", access ) )
legal = false
begin:attr( "data-sort-value",  " " .. sort )
end
code = mw.html.create( "td" )
:node( code )
if access:match( "^%d+$" ) then
code:attr( "data-sort-value",
string.format( "%05d", tonumber( access ) ) )
end
if type( param.aliases ) == "table" then
local lapsus
for k, v in pairs( param.aliases ) do
code:tag( "br" )
if type( v ) == "string" then
if not fine( v ) then
lapsus = true
code:node( mw.html.create( "span" )
:addClass( "error" )
:css( "font-style", "italic" )
:wikitext( "string" ) )
end
code:wikitext( s )
else
lapsus = true
code:node( mw.html.create( "code" )
:addClass( "error" )
:wikitext( type( v ) ) )
end
end -- for k, v
if lapsus then
s = string.format( "params.%s.aliases", access )
Fault(  getLocalizedText( "invalid-value" ):gsub( "$1", s )  )
legal = false
end
end
-- description etc.
s = feasible( param )
if s then
desc:node( s )
end
if param.default or param.example or param.autovalue then
local details = { "default", "example", "autovalue" }
local dl      = mw.html.create( "dl" )
local dd, section, show
for i = 1, #details do
s    = details i 
show = param s 
if show then
section = getLocalizedText( "doc-param-" .. s )
dt      = mw.html.create( "dt" ):wikitext( section )
dd      = mw.html.create( "dd" )
if (string.len(show) False (0)")
elseif show == "1" then
	dd:wikitext("True (1)")
else
	dd:wikitext( show )
end
else
	dd:wikitext( show )
end
dl:node( dt )
:node( dd )
end
end -- i = 1, #details
desc:node( dl )
end
-- type
if param.type then
s     = Permit.types param.type 
typed = mw.html.create( "td" )
if s then
if s == "string" then
Data.params access .type = s
typed:wikitext( getLocalizedText( "doc-param-type-" .. s ) )
:tag( "br" )
typed:node( mw.html.create( "span" )
:addClass( "error" )
:wikitext( param.type ) )
Data.lasting = true
else
s = getLocalizedText( "doc-param-type-" .. param.type )
typed:wikitext( s )
end
else
Data.params access .type = "unknown"
typed:addClass( "error" )
:wikitext( "INVALID" )
s = string.format( "params.%s.type", access )
Fault(  getLocalizedText( "invalid-value" ):gsub( "$1", s )  )
legal = false
end
else
typed = mw.html.create( "td" )
:wikitext( getLocalizedText( "doc-param-type-unknown" ) )
end
-- status
if param.required then
mode = 1
if param.deprecated then
Fault( string.format( "Required deprecated %s",
access ) )
legal = false
end
elseif param.deprecated then
mode = 4
elseif param.suggested then
mode = 2
else
mode = 3
end
status = ranking mode 
ranking = getLocalizedText( "doc-param-status-" .. status )
if mode == 1  or  mode == 4 then
ranking = mw.html.create( "span" )
:css( "font-weight", "bold" )
:wikitext( ranking )
if type( param.deprecated ) == "string" then
ranking:tag( "br" )
ranking:wikitext( param.deprecated )
end
end
-- 
r:attr( "id",  "templatedata:" .. mw.uri.anchorEncode( access ) )
:cssText( Permit.styles status  )
:node( begin )
:node( code )
:node( desc )
:node( typed )
:node( mw.html.create( "td" )
:attr( "data-sort-value", tostring( mode ) )
:node( ranking ) )
:newline()
if not legal then
r:css( "border", "#FF0000 3px solid" )
end
return r
end -- feature()
local function features()
-- Create  for parameters
-- Returns , or nil
local r
if Data.tree and Data.tree.params then
local style = Permit.styles.tableheadbg
local tbl   = mw.html.create( "table" )
:addClass( "wikitable" )
local tr    = mw.html.create( "tr" )
feat()
if Data.order  and  #Data.order > 1 then
tbl:addClass( "sortable" )
end
--      if Config.classTable then
--          tbl:addClass( Config.classTable )
--      end
if Config.stylesTable then
tbl:cssText( Config.stylesTable )
end
tr:node( mw.html.create( "th" )
:attr( "colspan", "2" )
:cssText( style )
:wikitext( getLocalizedText( "doc-param-name" ) ) )
:node( mw.html.create( "th" )
:cssText( style )
:wikitext( getLocalizedText( "doc-param-desc" ) ) )
:node( mw.html.create( "th" )
:cssText( style )
:wikitext( getLocalizedText( "doc-param-type" ) ) )
:node( mw.html.create( "th" )
:cssText( style )
:wikitext( getLocalizedText( "doc-param-status" ) ) )
tbl:newline()
--         :node( mw.html.create( "thead" )
:node( tr )
--             )
:newline()
if Data.order then
for i = 1, #Data.order do
tbl:node( feature( Data.order i  ) )
end -- for i = 1, #Data.order
end
if Config.stylesTabWrap then
r = mw.html.create( "div" )
:cssText( Config.stylesTabWrap )
:node( tbl )
else
r = tbl
end
end
return r
end -- features()
local function finalize()
-- Wrap presentation into frame
-- Returns string
local r
if Data.div then
r = tostring( Data.div )
elseif Data.strip then
r = Data.strip
else
r = ""
end
return r .. failures()
end -- finalize()
local function find()
-- Find JSON data within page source (title)
-- Returns string, or nil
local s = Data.title:getContent()
local i, j = s:find( "", 1, true )
local r
if i then
local k = s:find( "", j, true )
if k then
r = mw.text.trim( s:sub( j + 1,  k - 1 ) )
end
end
return r
end -- find()
local function flat( adjust )
-- Remove formatting from text string
-- Parameter:
--     arglist  -- string, to be stripped, or nil
-- Returns string, or nil
local r
if adjust then
r = adjust:gsub( "\n", " " )
if r:find( "", 1, true ) then
r = r:gsub( "(.*)", "" )
end
r = plaintext._main(r)
if r:find( "&", 1, true ) then
r = mw.text.decode( r )
end
end
return r
end -- flat()
local function flush()
-- JSON encode narrowed input; obey unnamed (numerical) parameters
-- Returns  JSON string
local r
if Data.tag then
r = mw.text.jsonEncode( Data.tag ):gsub( "%}$", "," )
else
r = "{"
end
r = r .. "\n\"params\":{"
if Data.order then
local sep = ""
local s
for i = 1, #Data.order do
s   = Data.order i 
r   = string.format( "%s%s\n%s:%s",
r,
sep,
mw.text.jsonEncode( s ),
mw.text.jsonEncode( Data.params s  ) )
sep = ",\n"
end -- for i = 1, #Data.order
end
r = r .. "\n}\n}"
return r
end -- flush()
local function focus( access )
-- Check components; focus multilingual description, build trees
-- Parameter:
--     access  -- string, name of parameter, nil for root
local f = function ( a, at )
local r
if at then
r = string.format( "params.%s", at )
else
r = "root"
end
if a then
r = string.format( "%s.%s", r, a )
end
return r
end
local parent
if access then
parent = Data.got.params access 
else
parent = Data.got
end
if type( parent ) == "table" then
local elem, got, permit, s, scope, slot, tag, target
if access then
permit = Permit.params
if type( access ) == "number" then
slot = tostring( access )
else
slot = access
end
else
permit = Permit.root
end
for k, v in pairs( parent ) do
scope = permit k 
if scope then
s = type( v )
if s == "string" then
v = mw.text.trim( v )
end
if scope:find( s, 1, true ) then
if scope:find( "I18N", 1, true ) then
if s == "string" then
elem = handleNoexportWhitespace( v )
else
local translated
v, translated = faraway( v )
if v then
if translated  and
k == "description" then
elem = {  1  = handleNoexportWhitespace( v ),
2  = translated }
else
elem = handleNoexportWhitespace( v )
end
else
elem = false
end
end
if v then
if scope:find( "nowiki", 1, true ) then
elem = mw.text.nowiki( v )
else
v = flat( v )
end
end
else
if k == "params"  and  not access then
v    = nil
elem = nil
elseif k == "format"  and  not access then
v    = mw.text.decode( v )
elem = v
elseif k == "inherits" then
elem = v
if not Data.heirs then
Data.heirs = { }
end
Data.heirs slot  = v
v                  = nil
elseif s == "string" then
v    = mw.text.nowiki( v )
elem = v
else
elem = v
end
end
if type( elem ) ~= "nil" then
if not target then
if access then
if not Data.tree.params then
Data.tree.params = { }
end
Data.tree.params slot  = { }
target = Data.tree.params slot 
else
Data.tree = { }
target    = Data.tree
end
end
target k  = elem
elem        = false
end
if type( v ) ~= "nil" then
if not tag then
if access then
if not Data.params then
Data.params = { }
end
Data.params slot  = { }
tag = Data.params slot 
else
Data.tag = { }
tag      = Data.tag
end
end
tag k  = v
end
else
s = string.format( "Type %s bad for %s",
scope,  f( k, slot ) )
Fault( s )
end
else
Fault( "Unknown component " .. f( k, slot ) )
end
end -- for k, v
else
Fault( f() .. " needs to be of object type" )
end
end -- focus()
local function format()
-- Build presented documentation
-- Returns 
local r = mw.html.create( "div" )
local s = feasible( Data.tree, true )
if s then
r:node( s )
end
if Data.leading then
local toc = mw.html.create( "div" )
if Config.suppressTOCnum then
toc:addClass( Config.suppressTOCnum )
end
toc:css( "margin-top", "0.5em" )
:wikitext( "__TOC__" )
r:newline()
:node( toc )
:newline()
end
s = features()
if s then
if Data.leading then
r:node( mw.html.create( "h2" )
:wikitext( getLocalizedText( "doc-params" ) ) )
:newline()
end
r:node( s )
end
if Data.tree and Data.tree.format then
local e, style
s = Data.tree.format:lower( Data.tree.format )
if s == "inline"  or  s == "block" then
style = "i"
else
style = "code"
end
r:node( mw.html.create( "p" )
:wikitext( "Format: " )
:node( mw.html.create( style )
:wikitext( s ) ) )
end
return r
end -- format()
local function free()
-- Remove JSON comment lines
Data.source:gsub( "({,\"')(%s*\n%s*//.*\n%s*)(},\"')",
"%1%3" )
end -- free()
local function full()
-- Build HTML table for display from JSON data, and append an invisible
--  block.
Data.div = mw.html.create( "div" )
:addClass( "mw-templatedata-doc-wrap" )
focus()
if Data.tag then
if type( Data.got.params ) == "table" then
for k, v in pairs( Data.got.params ) do
focus( k )
end -- for k, v
if Data.heirs then
fathers()
end
end
end
Data.div:node( format() )
if not Data.lazy then
Data.slim = flush()
if TemplateData.frame then
local div   = mw.html.create( "div" )
local tdata = {  1  = "templatedata",
2  = Data.slim }
Data.strip = TemplateData.frame:callParserFunction( "#tag",
tdata )
div:wikitext( Data.strip )
if Config.loudly then
	-- Display raw templatedata table all the time.
Data.div:node( mw.html.create( "hr" ) )
Data.div:node( div )
else
	-- Creates an expand link to check raw templatedata table.
	local wrapper = mw.html.create( "div" )
wrapper:addClass( "mw-collapsible" )
wrapper:addClass( "mw-collapsed" )
wrapper:css( "font-size", "85%" )
div:addClass( "mw-collapsible-content" )
wrapper:wikitext( "Test of raw TemplateData output: " )
wrapper:node( div )
Data.div:node( wrapper )
end
end
end
end -- full()
local function furnish( adapt, arglist )
-- Called by f, this function is the first to do any real work when the
-- module is invoked.
-- Parameter:
--     adapt    -- table, #invoke parameters
--     arglist  -- table, template parameters
-- Returns string
--local spy=""
local source
for k, v in pairs( Config ) do
if adapt k   and  adapt k  ~= "" then
Config v  = adapt k 
end
end -- for k, v
Config.loudly = faculty( arglist.debug or adapt.debug )
--if mw.site.server:find( "//de.wikipedia.beta.wmflabs.org", 1, true ) then
--    Config.loudly  = true
--end
Data.lazy     = faculty( arglist.lazy )  and  not Config.loudly
Data.leading  = faculty( arglist.TOC )
if arglist.JSON then
source = arglist.JSON
elseif arglist 1  then
local s     = mw.text.trim( arglist 1  )
local start = s:sub( 1, 1 )
if start == " ' " ` U N I Q
Data.strip = s
end
end
if not source then
Data.title = mw.title.getCurrentTitle()
source = find()
if not source  and
Config.subpage  and  Config.suffix  and
not Data.title.text:match( Config.subpage ) then
local s = string.format( Config.suffix,
Data.title.prefixedText )
Data.title = mw.title.new( s )
if Data.title.exists then
source = find()
end
end
--if source  and
--           ( source:find( "|", 1, true ) or
--             source:find( "}}", 1, true ) ) then
--                      --  <ref
--spy=string.format( "category:%s", Config.strange )
--end
end
if not Data.lazy  and  Config.subpage then
if not Data.title then
Data.title = mw.title.getCurrentTitle()
end
Data.lazy = Data.title.text:match( Config.subpage )
end
TemplateData.getPlainJSON( source )
return finalize()
--return spy .. finalize()
end -- furnish()
TemplateData.failsafe = function ( assert )
	-- Checks the age of this implementation against some minimum ("assert").
local r
if not assert  or  assert <= TemplateData.serial then
r = TemplateData.serial
else
r = false
end
return r
end -- TemplateData.failsafe()
TemplateData.getPlainJSON = function ( adapt )
-- Reduce enhanced JSON data to plain text localized JSON
-- Parameter:
--     adapt  -- string, with enhanced JSON
-- Returns string, or not
if type( adapt ) == "string" then
Data.source = adapt
free()
Data.got = mw.text.jsonDecode( Data.source )
if Data.got then
full()
if Data.lasting then
Fault( "deprecated type syntax" )
end
if Data.less then
Fault( Config.solo )
end
elseif not Data.strip then
Fault( "fatal JSON error" )
end
end
return Data.slim
end -- TemplateData.getPlainJSON()
TemplateData.test = function ( adapt, arglist )
TemplateData.frame = mw.getCurrentFrame()
return furnish( adapt, arglist )
end -- TemplateData.test()
-- Export
local p = { }
p.f = function ( frame )
-- The entry point for templates invoking the module.
-- Just wraps furnish in an exception handler.
local lucky, result
TemplateData.frame = frame
lucky, result = pcall( furnish, frame.args, frame:getParent().args )
if not lucky then
Fault( "INTERNAL: " .. result )
result = failures()
end
return result
end -- p.f()
p.failsafe = function ( frame )
-- Versioning interface
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 TemplateData.failsafe( since )  or  ""
end -- p.failsafe()
p.TemplateData = function ()
-- Module interface
return TemplateData
end
return p