Module:Format TemplateData
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| To use this module in a documentation page, use {{Format TemplateData}}. The below is an essay on the reasons for this module's existence, and documentation of the module itself. |
TemplateData – Module with auxilary functions for template documentation, especially by TemplateData.
Core functionality is improved presentation on documentation pages.
Template:Anchor Improve template documentation page – MediaWiki disappointing
For presentation of template depiction in VisualEditor agreement was made to abandon all markup and clickable links, permitting all tooltips in all environments. Basically this is reasonable, albeit tooltips with markup and clickable links are supported as HTML application for decades now and JavaScript is present anyway when VisualEditor is used.
- In consequence it was decided, that also presentation on template documentation views never ever is permitted to contain effective links or markup.
- That involved, that on many template documentation pages two separated parameter documentation tables are needed and required to be maintained simultaneously: One plain text version for VisualEditor, and a useful one for complex circumstances, with links and markup and lists and tables. – BTW, VisualEditor has not only tooltips, but also a static GUI view, where the lack of deepening links in parameter description is painful.
This state is indefensible.
Template:Anchor Improved presentation
In addition to the simple syntax supported by MediaWiki and presented in the VisualEditor, the following features can be added to the JSON code for the template documentation page. They affect the elements classified as InterfaceText, but are only useful for description fields.
Wikilinks (internal format)
- Using double square brackets pages can be linked as common.
- In VisualEditor, only link title is visible, as it is displayed otherwise.
External links (URL format)
- Open URL are linked as usual by themselves. In VisualEditor they appear as normal text.
- External links enclosed in simple square brackets are displayed normally on the template documentation page. In VisualEditor the title is omitted and the URL is displayed so that the users can c&p it and transfer it to the address field of the browser. There is no other way.
Apostrophs ' for italic and bold
- They can be used to emphasize on the documentation page and are missing in VisualEditor (regular script).
HTML entities
- The following entities can be used:
< > & " and all numeric formats.
HTML tags
- HTML tags (and the MediaWiki elements that are not replaced in advance) are removed for the VisualEditor. Otherwise, they remain effective.
- Attributes are often included in
", which conflicts with the JSON syntax. It is important to make sure that'is used, which can be a problem with template transclusions.
<noexport> … </noexport>
- The enclosed areas are not exported to the VisualEditor.
- More complex wiki syntax and extensive explanations can be restricted to the documentation page.
- Within a noexport area, the line structure of the source text is considered. Otherwise everything is running in a single line, as it would also be represented in the VisualEditor.
Templates
- In particular when the template parameter
JSON=is used, templates can be distributed anywhere in the JSON code. However, the expanded syntax might collide with the JSON syntax.
More effects
- According to the state (required, suggested, optional, deprecated) the table rows are highlighted in light blue, white, gray and pale red.
- When sorting by state, this importance is taken into account and not the alphabetical sequence of the keywords.
- Each parameter can be addressed as a jump destination. The fragment is
#templatedata:parameter-name. - Missing labels are highlighted as errors.
- A maintenance category is triggered if errors occur.
- If there are no parameters, the element
params:{}is not required.
Eliminate disadvantages
Two aspects were found to be particularly disturbing in 2013–2017:
- Even if no parameters at all were defined, a table head is always displayed for a table without content. Even more, this is sortable.
- A reduction was rejected with Template:Phab. A sortable table of the parameters would be always necessary, even if the table has no rows at all and consists only of the header row.
- This ridiculous statement led to the development of this module in 2016.
- Even if the context does not permit that default values or even AutoValue specifications will be defined ever, a content-free six-line definition list is output for each individual parameter value.
- Template:Phab / Template:Phab / Template:Phab / Template:Phab
- MediaWiki did not even deign to answer the disastrous documentation page situation.
The general comments show that MediaWiki only regards the presentation of TemplateData specifications in the VisualEditor as important. However, someone has to program and maintain the templates and someone needs to generate the template description and make it manageable beside the functionality in the VisualEditor form, but that is beyond ken.
General workflow
- An attempt is made to read the JSON object (string) from passed template parameters.
- If this failed, the source code of the current and the documentation page is searched for
<templatedata>elements. - Two representations are obtained from the JSON object input:
- A localized version, markup etc. stripped off, in JSON format.
- An HTML structure, basically similar to the MediaWiki representation, possibly with table of the parameters, with enhanced features.
- The result of the template is a visible documentation with markup, followed by a hidden
<templatedata>element. This is done for the export and corresponds to the MediaWiki guidelines.- If current page has been identified as documentation page the hidden
<templatedata>is suppressed, and those pages do not appear separately in Special:PagesWithProp/templatedata.
- If current page has been identified as documentation page the hidden
Template:Anchor Functions for templates
Details
- f Template:Anchor
- Improve TemplateData-presentation; used in Template:Format TemplateData
- Parameters of template transclusion environment (all optional):
- 1
- JSON string or
<templatedata>object - JSON
- JSON string
- (precedes 1)
- Transition from
<templatedata>objects with pipe symbols needs special attention: Pipes are to be represented as{{!}}, on double curly brackets one should be encoded by HTML entity. - TOC
1– Insert table of contents after general purpose descriptions; but before parameter list, if present- Example
- lazy
1– Presentation only, do not generate an effective data block- For general method descriptions.
- debug
1– developer mode
- Parameters of
#invokefor particular project adaption (all optional):- cat
- Title of a maintenance category on invalid parameter value etc.
- debug
- Development mode, if provided and not equal
0 - docpageCreate
- Pattern for creation of subpage names;
%s/Doku - docpageDetect
- Pattern for recognition of subpage names;
/Doku$ - msgDescMiss
- Localisation: complaint text on missing
description
- Returns: HTML code; and/or error message, probably with
class="error" - failsafe Template:Anchor
- Version identification:
2017-11-06 - Optional additional parameter
1– requested minimal version identification- Returns: (empty), if minimal version condition not matched
Examples (test page)
A test page illustrates practical use.
Template:Anchor Functions for Lua modules (API)
Some functions described above can be used by other modules: <syntaxhighlight lang="lua"> local lucky, TemplateData = pcall( require, "Module:Format TemplateData" ) if type( TemplateData ) == "table" then
TemplateData = TemplateData.TemplateData()
else
-- failure; TemplateData is the error message
return "" .. TemplateData .. ""
end </syntaxhighlight>
- TemplateData.failsafe(atleast)
-
- atleast
optional
nil or minimal version request
- atleast
- Returns: string or false
- TemplateData.getPlainJSON(adapt)
- Reduce enhanced JSON information to MediaWiki JSON
- adapt
string, with JSON (enhanced)
- adapt
- Returns: string, with JSON (MediaWiki )
- TemplateData.test(adapt, arglist)
- Simulation of template functionality
- adapt
table,#invokeparameters - arglist
table, template parameters
- adapt
- Returns: string
Usage
Currently focusing on one template only:
Dependencies
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, -- <div class="mw-templatedata-doc-wrap">
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 <templatedata>
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, -- <templatedata> 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",
suggestedvalues = "table",
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'''<br />" .. Data.scream )
if Config.strange then
r = string.format( "%s[[category:%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. <noexport> blocks are left alone, but the
-- <noexport> tags themselves are removed.
-- adjust -- string
-- Returns string, with adjusted text
local r
if adjust:find( "<noexport>", 1, true ) then
local i = 1
local j, k = adjust:find( "<noexport>", 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( "</noexport>", i, true )
if j then
r = r .. adjust:sub( i, j - 1 )
i = k + 1
j, k = adjust:find( "<noexport>", i, true )
else
Fault( "missing </noexport>" )
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 <code>lang=%s</code>", 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 <block>, 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 <tr>
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+$" ) then
begin:attr( "data-sort-value",
string.format( "%05d", tonumber( sort ) ) )
end
begin:css( "font-weight", "bold" )
:wikitext( sort )
-- name and aliases
code:css( "font-size", "92%" )
:css( "white-space", "nowrap" )
:wikitext( access )
if not fine( access ) then
code:addClass( "error" )
Fault( string.format( "Bad ID params.<code>%s</code>", access ) )
legal = false
begin:attr( "data-sort-value", " " .. sort )
end
code = mw.html.create( "td" )
:node( code )
if access:match( "^%d+$" ) 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.<code>%s</code>.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.suggestedvalues or param.default or param.example or param.autovalue then
local details = { "suggestedvalues", "default", "example", "autovalue" }
local dl = mw.html.create( "dl" )
local dd, section, show, sv
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 type( show ) == "string" and (string.len(show) < 80) then
dt:cssText("float: left;margin-right: 1.6em;")
end
if param.type == "boolean" then
if (type( show ) == "table") then
-- "suggestedvalues"
for i = 1, #show do
sv = show[ i ]
if i > 1 then
dd:wikitext(" ")
end
if sv == "0" then
dd:wikitext("<span style=\"color: #610; font-weight: bold;\">False</span> (<code>0</code>)")
elseif sv == "1" then
dd:wikitext("<span style=\"color: #050; font-weight: bold;\">True</span> (<code>1</code>)")
else
dd:tag("code"):wikitext( sv )
end
end
elseif show == "0" then
dd:wikitext("<span style=\"color: #610; font-weight: bold;\">False</span> (<code>0</code>)")
elseif show == "1" then
dd:wikitext("<span style=\"color: #050; font-weight: bold;\">True</span> (<code>1</code>)")
else
dd:wikitext( show )
end
elseif type( show ) == "table" then
-- "suggestedvalues"
for i = 1, #show do
sv = show[ i ]
if i > 1 then
dd:wikitext(" ")
end
dd:tag("code"):wikitext( sv )
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 type( 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.<code>%s</code>.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 <code>%s</code>",
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
-- <tr>
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 <table> for parameters
-- Returns <table>, 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( "<templatedata>", 1, true )
local r
if i then
local k = s:find( "</templatedata>", 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( "<noexport>", 1, true ) then
r = r:gsub( "<noexport>(.*)</noexport>", "" )
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 <templatedata> 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( "<code>params.%s</code>", at )
else
r = "''root''"
end
if a then
r = string.format( "%s<code>.%s</code>", 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 <code>%s</code> 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 <code>object</code> type" )
end
end -- focus()
local function format()
-- Build presented documentation
-- Returns <div>
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
-- <templatedata> 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 == "<" then
Data.strip = s
elseif start == "{" then
source = s
elseif mw.ustring.sub( s, 1, 8 ) ==
mw.ustring.char( 127, 39, 34, 96, 85, 78, 73, 81 ) then -- <DEL> ' " ` 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
