Modul:Check for unknown parameters
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This module may be appended to a template to check for uses of unknown parameters.
Usage
[manbasini tahrirlash]Basic usage
[manbasini tahrirlash]{{#invoke:check for unknown parameters|check |unknown=[[Category:Some tracking category]] |arg1|arg2|arg3|argN}}
or to sort the entries in the tracking category by parameter with a preview error message
{{#invoke:check for unknown parameters|check |unknown=[[Category:Some tracking category|_VALUE_]] |preview=unknown parameter "_VALUE_" |arg1|arg2|...|argN}}
or for an explicit red error message
{{#invoke:check for unknown parameters|check |unknown=<span class="error">Sorry, I don't recognize _VALUE_</span> |arg1|arg2|...|argN}}
Here, arg1
, arg2
, ..., argN
, are the known parameters. Unnamed (positional) parameters can be added too: |1|2|argname1|argname2|...
. Any parameter which is used, but not on this list, will cause the module to return whatever is passed with the unknown
parameter. The _VALUE_
keyword, if used, will be changed to the name of the parameter. This is useful for either sorting the entries in a tracking category, or for provide more explicit information.
By default, the module makes no distinction between a defined-but-blank parameter and a non-blank parameter. That is, both unlisted |foo=x
and |foo=
are reported. To only track non-blank parameters use |ignoreblank=1
.
By default, the module ignores blank positional parameters. That is, an unlisted |2=
is ignored. To include blank positional parameters in the tracking use |showblankpositional=1
.
Lua patterns
[manbasini tahrirlash]This module supports Lua patterns (similar to regular expressions), which are useful when there are many known parameters which use a systematic pattern. For example, template:infobox3cols uses
| regexp1 = header[%d][%d]* | regexp2 = label[%d][%d]* | regexp3 = data[%d][%d]*[abc]? | regexp4 = class[%d][%d]*[abc]? | regexp5 = rowclass[%d][%d]* | regexp6 = rowstyle[%d][%d]* | regexp7 = rowcellstyle[%d][%d]*
to match all parameters of the form headerNUM
, labelNUM
, dataNUM
, dataNUMa
, dataNUMb
, dataNUMc
, ..., rowcellstyleNUM
, where NUM is a string of digits.
Example
[manbasini tahrirlash]{{Infobox | above = {{{name|}}} | label1 = Height | data1 = {{{height|}}} | label2 = Weight | data2 = {{{weight|}}} | label3 = Website | data3 = {{{website|}}} }}<!-- end infobox, start tracking -->{{#invoke:Check for unknown parameters|check | unknown = {{main other|[[Category:Some tracking category|_VALUE_]]}} | preview = unknown parameter "_VALUE_" | name | height | weight | website }}
See also
[manbasini tahrirlash]- Category:Unknown parameters (0) (category page can have header {{Unknown parameters category}})
- Template:Checks for unknown parameters – adds documentation to templates using this module
- Module:Check for deprecated parameters – similar module that checks for deprecated parameters
- Module:Check for clobbered parameters – module that checks for conflicting parameters
- Module:TemplatePar – similar function (originally from dewiki)
- Template:Parameters and Module:Parameters – generates a list of parameter names for a given template
- Project:TemplateData based template parameter validation
- Module:Parameter validation checks a lot more
- User:Bamyers99/TemplateParametersTool - A tool for checking usage of template parameters
Example
[manbasini tahrirlash]{{Infobox | above = {{{name|}}} | label1 = Height | data1 = {{{height|}}} | label2 = Weight | data2 = {{{weight|}}} | label3 = Website | data3 = {{{website|}}} }}<!-- end infobox, start tracking -->{{#invoke:Check for unknown parameters|check | unknown = [[Category:Some tracking category|_VALUE_]] | preview = unknown parameter "_VALUE_" | name | height | weight | website }}
Templates invoking this module
[manbasini tahrirlash]The following is a list of some of the templates which invoke this module, with the associated category for each.
For a more up-to-date list, search for the "check for unknown parameters" within the template namespace.
-- This module may be used to compare the arguments passed to the parent
-- with a list of arguments, returning a specified result if an argument is
-- not on the list
local p = {}
local function trim(s)
return s:match('^%s*(.-)%s*$')
end
local function isnotempty(s)
return s and s:match('%S')
end
local function clean(text)
-- Return text cleaned for display and truncated if too long.
-- Strip markers are replaced with dummy text representing the original wikitext.
local pos, truncated
local function truncate(text)
if truncated then
return ''
end
if mw.ustring.len(text) > 25 then
truncated = true
text = mw.ustring.sub(text, 1, 25) .. '...'
end
return mw.text.nowiki(text)
end
local parts = {}
for before, tag, remainder in text:gmatch('([^\127]*)\127[^\127]*%-(%l+)%-[^\127]*\127()') do
pos = remainder
table.insert(parts, truncate(before) .. '<' .. tag .. '>...</' .. tag .. '>')
end
table.insert(parts, truncate(text:sub(pos or 1)))
return table.concat(parts)
end
function p._check(args, pargs)
if type(args) ~= "table" or type(pargs) ~= "table" then
-- TODO: error handling
return
end
-- create the list of known args, regular expressions, and the return string
local knownargs = {}
local regexps = {}
for k, v in pairs(args) do
if type(k) == 'number' then
v = trim(v)
knownargs[v] = 1
elseif k:find('^regexp[1-9][0-9]*$') then
table.insert(regexps, '^' .. v .. '$')
end
end
-- loop over the parent args, and make sure they are on the list
local ignoreblank = isnotempty(args['ignoreblank'])
local showblankpos = isnotempty(args['showblankpositional'])
local values = {}
for k, v in pairs(pargs) do
if type(k) == 'string' and knownargs[k] == nil then
local knownflag = false
for _, regexp in ipairs(regexps) do
if mw.ustring.match(k, regexp) then
knownflag = true
break
end
end
if not knownflag and ( not ignoreblank or isnotempty(v) ) then
table.insert(values, clean(k))
end
elseif type(k) == 'number' and knownargs[tostring(k)] == nil then
local knownflag = false
for _, regexp in ipairs(regexps) do
if mw.ustring.match(tostring(k), regexp) then
knownflag = true
break
end
end
if not knownflag and ( showblankpos or isnotempty(v) ) then
table.insert(values, k .. ' = ' .. clean(v))
end
end
end
-- add results to the output tables
local res = {}
if #values > 0 then
local unknown_text = args['unknown'] or 'Found _VALUE_, '
if mw.getCurrentFrame():preprocess( "{{REVISIONID}}" ) == "" then
local preview_text = args['preview']
if isnotempty(preview_text) then
preview_text = require('Module:If preview')._warning({preview_text})
elseif preview == nil then
preview_text = unknown_text
end
unknown_text = preview_text
end
for _, v in pairs(values) do
-- Fix odd bug for | = which gets stripped to the empty string and
-- breaks category links
if v == '' then v = ' ' end
-- avoid error with v = 'example%2' ("invalid capture index")
local r = unknown_text:gsub('_VALUE_', {_VALUE_ = v})
table.insert(res, r)
end
end
return table.concat(res)
end
function p.check(frame)
local args = frame.args
local pargs = frame:getParent().args
return p._check(args, pargs)
end
return p