| 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 p = {}
local removeDuplicates = require('Module:TableTools').removeDuplicates
local function makeInvokeFunction(funcName)
return function(frame)
local getArgs = require('Module:Arguments').getArgs
return p[funcName](getArgs(frame))
end
end
local function extractParams(source)
local parameters = {}
for parameter in string.gmatch(source, '{{{(.-)%f[}|<>]') do
table.insert(parameters, parameter)
end
return removeDuplicates(parameters)
end
local function strMap(iter, transform, sort)
local returnTable = {}
for _, v in pairs(iter) do
table.insert(returnTable, transform(v))
end
if sort then
table.sort(returnTable)
end
return table.concat(returnTable)
end
function p._code(args)
local title = args._base or mw.title.getCurrentTitle().baseText
return string.format([[{{%s
%s}}]], title, strMap(extractParams(args.base),
function(s) return string.format('| %s = \n', s) 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, true),
strMap(Set.valueIntersection(baseNormParams, otherNormParams),
function(v) return string.format('* %s < %s [%s]\n',
table.concat(baseNormParams[v], '; '),
table.concat(otherNormParams[v], '; '),
v)
end, true),
strMap(Set.valueComplement(otherNormParams, baseNormParams),
function(v) return strMap(baseNormParams[v],
function(s) return string.format('* %s\n', s) end, true)
end, true))
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)
return strMap(extractParams(args.base),
function(s) return string.format('; %s: \n', s) end)
end
function p._list(args)
return strMap(extractParams(args.base),
function(s) return string.format('* %s\n', s) end)
end
p.code = makeInvokeFunction('_code')
p.compare = makeInvokeFunction('_compare')
p.demo = makeInvokeFunction('_demo')
p.dlist = makeInvokeFunction('_dlist')
p.list = makeInvokeFunction('_list')
return p
