Module:Check for unknown parameters: Difference between revisions
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meta>Frietjes less aggressive encoding per request on the talk page |
meta>Johnuniq gsub trick to avoid "Lua error in Module:Check_for_unknown_parameters at line 78: invalid capture index" at Brian Smith (rugby league, born 1954) due to |coachwin%2=64 |
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Line 34: | Line 34: | ||
end | end | ||
end | end | ||
if isnotempty(preview) then | if isnotempty(preview) then | ||
preview = '<div class="hatnote" style="color:red"><strong>Warning:</strong> ' .. preview .. ' (this message is shown only in preview).</div>' | preview = '<div class="hatnote" style="color:red"><strong>Warning:</strong> ' .. preview .. ' (this message is shown only in preview).</div>' | ||
elseif preview == nil then | elseif preview == nil then | ||
Line 54: | Line 54: | ||
table.insert(values, k) | table.insert(values, k) | ||
end | end | ||
elseif type(k) == 'number' and | elseif type(k) == 'number' and | ||
knownargs[tostring(k)] == nil and | knownargs[tostring(k)] == nil and | ||
( showblankpos or isnotempty(v) ) | ( showblankpos or isnotempty(v) ) | ||
then | then | ||
local vlen = mw.ustring.len(v) | local vlen = mw.ustring.len(v) | ||
v = mw.ustring.sub(v, 1, (vlen < 25) and vlen or 25) | v = mw.ustring.sub(v, 1, (vlen < 25) and vlen or 25) | ||
v = mw.text.encode(mw.text.encode(v),'%c%[%]=') | v = mw.text.encode(mw.text.encode(v),'%c%[%]=') | ||
table.insert(values, k .. ' = ' .. v .. ((vlen >= 25) and ' ...' or '')) | table.insert(values, k .. ' = ' .. v .. ((vlen >= 25) and ' ...' or '')) | ||
Line 72: | Line 72: | ||
for k, v in pairs(values) do | for k, v in pairs(values) do | ||
if v == '' then | if v == '' then | ||
-- Fix odd bug for | = which gets stripped to the empty string and | |||
-- breaks category links | |||
v = ' ' | |||
end | end | ||
local r = unknown:gsub('_VALUE_', v) | local r = unknown:gsub('_VALUE_', {_VALUE_ = v}) -- avoid error with v = 'example%2' ("invalid capture index") | ||
table.insert(res, r) | table.insert(res, r) | ||
end | end |
Revision as of 10:00, 26 January 2019
Documentation for this module may be created at Module:Check for unknown parameters/doc
-- 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*$')
end
local function isnotempty(s)
return s and trim(s) ~= ''
end
function p.check (frame)
local args = frame.args
local pargs = frame:getParent().args
local ignoreblank = isnotempty(frame.args['ignoreblank'])
local showblankpos = isnotempty(frame.args['showblankpositional'])
local knownargs = {}
local unknown = frame.args['unknown'] or 'Found _VALUE_, '
local preview = frame.args['preview']
local values = {}
local res = {}
local regexps = {}
-- create the list of known args, regular expressions, and the return string
for k, v in pairs(args) do
if type(k) == 'number' then
v = trim(v)
knownargs[v] = 1
elseif k:find('^regexp[1-9][0-9]*$') then
table.insert(regexps, '^' .. v .. '$')
end
end
if isnotempty(preview) then
preview = '<div class="hatnote" style="color:red"><strong>Warning:</strong> ' .. preview .. ' (this message is shown only in preview).</div>'
elseif preview == nil then
preview = unknown
end
-- loop over the parent args, and make sure they are on the list
for k, v in pairs(pargs) do
if type(k) == 'string' and knownargs[k] == nil then
local knownflag = false
for i, 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
k = mw.text.encode(mw.text.encode(k),'%c%[%]=')
table.insert(values, k)
end
elseif type(k) == 'number' and
knownargs[tostring(k)] == nil and
( showblankpos or isnotempty(v) )
then
local vlen = mw.ustring.len(v)
v = mw.ustring.sub(v, 1, (vlen < 25) and vlen or 25)
v = mw.text.encode(mw.text.encode(v),'%c%[%]=')
table.insert(values, k .. ' = ' .. v .. ((vlen >= 25) and ' ...' or ''))
end
end
-- add resuls to the output tables
if #values > 0 then
if frame:preprocess( "{{REVISIONID}}" ) == "" then
unknown = preview
end
for k, v in pairs(values) do
if v == '' then
-- Fix odd bug for | = which gets stripped to the empty string and
-- breaks category links
v = ' '
end
local r = unknown:gsub('_VALUE_', {_VALUE_ = v}) -- avoid error with v = 'example%2' ("invalid capture index")
table.insert(res, r)
end
end
return table.concat(res)
end
return p