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m (1 revision imported)
en>MSGJ
(update to allow check for unnamed parameters, code by User:Frietjes)
Line 41: Line 41:
 
end
 
end
  
local ignoreblank = isnotempty(args['ignoreblank'])
+
-- create the list of known args, regular expressions, and the return string
local showblankpos = isnotempty(args['showblankpositional'])
 
 
local knownargs = {}
 
local knownargs = {}
local unknown = args['unknown'] or 'Found _VALUE_, '
 
local preview = args['preview']
 
 
local values = {}
 
local res = {}
 
 
local regexps = {}
 
local regexps = {}
 
-- create the list of known args, regular expressions, and the return string
 
 
for k, v in pairs(args) do
 
for k, v in pairs(args) do
 
if type(k) == 'number' then
 
if type(k) == 'number' then
Line 59: Line 51:
 
table.insert(regexps, '^' .. v .. '$')
 
table.insert(regexps, '^' .. v .. '$')
 
end
 
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
 
end
  
 
-- loop over the parent args, and make sure they are on the list
 
-- 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
 
for k, v in pairs(pargs) do
 
if type(k) == 'string' and knownargs[k] == nil then
 
if type(k) == 'string' and knownargs[k] == nil then
Line 79: Line 69:
 
table.insert(values, clean(k))
 
table.insert(values, clean(k))
 
end
 
end
elseif type(k) == 'number' and
+
elseif type(k) == 'number' and knownargs[tostring(k)] == nil then
knownargs[tostring(k)] == nil and
+
local knownflag = false
( showblankpos or isnotempty(v) )
+
for _, regexp in ipairs(regexps) do
then
+
if mw.ustring.match(tostring(k), regexp) then
table.insert(values, k .. ' = ' .. clean(v))
+
knownflag = true
 +
break
 +
end
 +
end
 +
if not knownflag and ( showblankpos or isnotempty(v) ) then
 +
table.insert(values, k .. ' = ' .. clean(v))
 +
end
 
end
 
end
 
end
 
end
  
 
-- add results to the output tables
 
-- add results to the output tables
 +
local res = {}
 
if #values > 0 then
 
if #values > 0 then
 +
local unknown_text = args['unknown'] or 'Found _VALUE_, '
 +
 
if mw.getCurrentFrame():preprocess( "{{REVISIONID}}" ) == "" then
 
if mw.getCurrentFrame():preprocess( "{{REVISIONID}}" ) == "" then
unknown = preview
+
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
 
end
 
for _, v in pairs(values) do
 
for _, v in pairs(values) do
if v == '' then
+
-- Fix odd bug for | = which gets stripped to the empty string and
-- Fix odd bug for | = which gets stripped to the empty string and
+
-- breaks category links
-- breaks category links
+
if v == '' then v = ' ' end
v = ' '
+
 
end
 
 
-- avoid error with v = 'example%2' ("invalid capture index")
 
-- avoid error with v = 'example%2' ("invalid capture index")
local r = unknown:gsub('_VALUE_', {_VALUE_ = v})
+
local r = unknown_text:gsub('_VALUE_', {_VALUE_ = v})
 
table.insert(res, r)
 
table.insert(res, r)
 
end
 
end

Revision as of 20:27, 18 November 2021

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 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) .. '&lt;' .. tag .. '&gt;...&lt;/' .. tag .. '&gt;')
	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