26x26px | This module is rated as alpha. It is ready for third-party input, and may be used on a few pages to see if problems arise, but should be watched. Suggestions for new features or changes in their input and output mechanisms are welcome. |
-- This module implements [[Template:Parameters]].
-- [SublimeLinter luacheck-globals:mw]
local DEFINITIONS = {
alt = {
code = '<!-- text alternative for image; see WP:ALT -->',
dlist = 'text alternative for image; see [[WP:ALT]]'},
coordinates = {
code = '<!-- use {{Coord}} -->',
dlist = 'using {{tl|Coord}}'},
coords = {
code = '<!-- use {{Coord}} -->',
dlist = 'using {{tl|Coord}}'},
native_name = {
code = '<!-- name in local language; if more than one, separate ' ..
'using {{Plainlist}} use {{lang}}, and omit native_name_lang -->',
dlist = 'name in local language; if more than one, separate ' ..
'using {{tl|Plainlist}}, use {{tl|lang}}, and omit {{para|native_name_lang}}'},
native_name_lang = {
code = '<!-- language two- or three-letter ISO code -->',
dlist = 'language two- or three-letter ISO code'},
start_date = {
code = '<!-- {{Start date|YYYY|MM|DD|df=y}} -->',
dlist = 'use {{tlx|Start date|YYYY|MM|DD|df=y}}'},
end_date = {
code = '<!-- {{End date|YYYY|MM|DD|df=y}} -->',
dlist = 'use {{tlx|Start date|YYYY|MM|DD|df=y}}'},
url = {
code = '<!-- use {{URL|example.com}} -->',
dlist = 'using {{tl|URL}}'},
website = {
code = '<!-- use {{URL|example.com}} -->',
dlist = 'using {{tls|URL|example.com}}'},}
local p = {}
local removeDuplicates = require('Module:TableTools').removeDuplicates
local yesno = require('Module:Yesno')
local function makeInvokeFunction(funcName)
return function(frame)
local getArgs = require('Module:Arguments').getArgs
return p[funcName](getArgs(frame, {removeBlanks = false}))
end
end
local function extractParams(page)
local source = mw.title.new(page, 'Template'):getContent()
local parameters = {}
for parameter in string.gmatch(source, '{{{(.-)%f[}|<>]') do
table.insert(parameters, parameter)
end
return removeDuplicates(parameters)
end
local function map(tbl, transform)
local returnTable = {}
for k, v in pairs(tbl) do
returnTable[k] = transform(v)
end
return returnTable
end
local function strMap(tbl, transform)
local returnTable = map(tbl, transform)
return table.concat(returnTable)
end
function p._check(args)
local title = args._base or mw.title.getCurrentTitle().fullText
return string.format(
'{{#invoke:Check for unknown parameters|check|unknown=' ..
'[[Category:Pages using %s with unknown parameters]]|%s}}', title,
table.concat(extractParams(args.base), '|'))
end
function p._code(args)
local definitions = yesno(args.definitions)
local pad = yesno(args.pad)
local parameters = extractParams(args.base)
-- Space-pad the parameters to align the equal signs vertically
if pad then
local lengthPerPara = map(parameters, function (parameter)
return string.len(parameter) end)
-- Lua doesn't support printf's <*> to specify the width, apparently
local fs = string.format('%%-%ss', math.max(unpack(lengthPerPara)))
for i, parameter in pairs(parameters) do
parameters[i] = string.format(fs, parameter)
end
end
local title = args._base or mw.title.getCurrentTitle().baseText
return string.format([[{{%s
%s}}]], title, strMap(parameters,
function(s)
if definitions then
return string.format('| %s = %s\n', s,
DEFINITIONS[s] and DEFINITIONS[s].code or '')
else
return string.format('| %s = \n', s)
end
end))
end
function p._compare(args)
local Set = require('Module:Set')
local function normaliseParams(parameters)
local paramsNorm = {}
-- Prepare a key lookup metatable, which will hold the original
-- parameter names for each normalised parameter, e.g.
-- [test] = {TEST, Test}. paramIndex functions like a Python
-- defaultdict, where the default is a table.
local paramIndex = setmetatable({}, {__index = function(t, k)
if not rawget(t, k) then
rawset(t, k, {})
end
return rawget(t, k)
end})
for _, parameter in pairs(parameters) do
table.insert(paramsNorm,
string.lower(string.gsub(parameter, '%A', '')))
table.insert(paramIndex[
string.lower(string.gsub(parameter, '%A', ''))], parameter)
end
paramsNorm = removeDuplicates(paramsNorm)
-- Overload key lookup in paramsNorm. While [[Module:Set]] will
-- operate on the table (which is to say, the normalised parameters
-- array), key access will be by way of the paramIndex metatable.
setmetatable(paramsNorm, {__index = paramIndex})
return paramsNorm
end
local baseParams = extractParams(args.base)
local otherParams = extractParams(args.other)
local baseNormParams = normaliseParams(Set.valueComplement(
otherParams, baseParams))
local otherNormParams = normaliseParams(otherParams)
return string.format([[Identical:
%s
Similar:
%s
Disparate:
%s]],
strMap(Set.valueIntersection(baseParams, otherParams),
function(v) return string.format('* %s\n', v) end),
strMap(Set.valueIntersection(baseNormParams, otherNormParams),
function(v) return string.format('* %s < %s [%s]\n',
table.concat(baseNormParams[v], '; '),
table.concat(otherNormParams[v], '; '),
v)
end),
strMap(Set.valueComplement(otherNormParams, baseNormParams),
function(v) return strMap(baseNormParams[v],
function(s) return string.format('* %s\n', s) end)
end))
end
function p._demo(args)
local title = args._base and ('|_template=' .. args._base) or ''
return string.format('{{Parameter names example%s|%s}}', title,
table.concat(extractParams(args.base), '|'))
end
function p._dlist(args)
local definitions = yesno(args.definitions, true)
return strMap(extractParams(args.base),
function(s)
if definitions then
return string.format('; %s: %s\n', s,
DEFINITIONS[s] and DEFINITIONS[s].dlist or '')
else
return string.format('; %s: \n', s)
end
end)
end
function p._list(args)
return strMap(extractParams(args.base),
function(s) return string.format('* %s\n', s) end)
end
p.check = makeInvokeFunction('_check')
p.code = makeInvokeFunction('_code')
p.compare = makeInvokeFunction('_compare')
p.demo = makeInvokeFunction('_demo')
p.dlist = makeInvokeFunction('_dlist')
p.list = makeInvokeFunction('_list')
return p