Lemondoge: Logic simplifications

2023-04-11T02:40:32Z

Logic simplifications

← Previous revision		Revision as of 02:40, 11 April 2023
Line 42:		Line 42:
	-- that the page doesn't exist.		-- that the page doesn't exist.
	return false		return false
			elseif titleObject then
		⚫	return titleObject.exists
	else		else
	if ~~titleObject~~ ~~then~~		return false -- Return false if given a bad title.
⚫	return titleObject.exists
	else
	return false -- Return false if given a bad title.
	end
	end		end
	end		end
Line 129:		Line 127:
	lineNum = math.huge		lineNum = math.huge
	end		end
		⚫	elseif isLong==true then
		⚫	lineNum = 3 -- Default to 3 links on long
	else		else
		⚫	lineNum = 10 -- Default to 10 on short
⚫	if isLong==true then
⚫	lineNum = 3 -- Default to 3 links on long
	else
⚫	lineNum = 10 -- Default to 10 on short
	end
	end		end
	return lineNum		return lineNum
Line 156:		Line 152:
	ret = 'Archive '		ret = 'Archive '
	end		end
	~~else~~ --type is not long		elseif type(prefix) == 'string' then --type is not long
			ret = prefix
	if type(prefix) == 'string' then
	~~ret~~ = ~~prefix~~		if space == 'yes' then
	~~if space~~ == ~~'yes~~' ~~then~~		ret = ret .. ' '
	~~ret = ret .. ' '~~		end
	end
	end
	end		end
	return ret		return ret
Line 170:		Line 164:
	local function getStart( start )		local function getStart( start )
	start = processNumArg( start )		start = processNumArg( start )
	if start ~~then~~		return start or 1
	return start
	else
	return 1
	end
	end		end

Line 278:		Line 268:
	-- Determine if format should be long		-- Determine if format should be long
	local function findFormType( auto )		local function findFormType( auto )
	~~if auto == nil or~~ auto == '' ~~then~~		return auto == 'long'
	return false
	elseif auto == 'long' then
	return true
	else
	return false
	end
	end		end

Lemondoge: Create sandbox version of Module:Archive list alpha

2023-04-11T02:38:23Z

Create sandbox version of Module:Archive list alpha

New page

-- This module was created from [[Module:Archive list]] and only some
-- lines were changes in order to search for alphabetical archives

-- This module implements {{Archive list alpha}} in Lua, and adds a few
-- new features.

-- Converts the integer counter for an archive to an alphabetical string
local function numToLetters(newInt)
newInt = newInt - 1
local modVal = newInt % 26
local newLetter = string.char(string.byte('A') + modVal)
if newInt >= 26 then
return numToLetters(math.floor(newInt / 26)) .. newLetter
end
return newLetter
end

-- Process a numeric argument to make sure it is a positive
-- integer.
local function processNumArg( num )
if num then
num = tonumber( num )
if type( num ) == 'number' then
num = math.floor( num )
if num >= 0 then
return num
end
end
end
return nil
end

-- Checks whether a page exists, going through pcall
-- in case we are over the expensive function limit.
local function checkPageExists( title )
if not title then
error('No title passed to checkArchiveExists', 2)
end
local noError, titleObject = pcall(mw.title.new, title)
if not noError then
-- If we are over the expensive function limit then assume
-- that the page doesn't exist.
return false
else
if titleObject then
return titleObject.exists
else
return false -- Return false if given a bad title.
end
end
end

-- Checks every nth archive to see if it exists, and returns the
-- number of the first archive that doesn't exist. It is
-- necessary to do this in batches because each check is an
-- expensive function call, and we want to avoid making too many
-- of them so as not to go over the expensive function limit.
local function checkArchives( prefix, n, start )
local i = start
local exists = true
while exists do
--``exists = checkPageExists( prefix .. tostring( i ) )
exists = checkPageExists( prefix .. numToLetters( i ) )
if exists then
i = i + n
end
end
return i
end

-- Return the biggest archive number, using checkArchives()
-- and starting in intervals of 1000. This should get us a
-- maximum of 500,000 possible archives before we hit the
-- expensive function limit.
local function getBiggestArchiveNum( prefix, start, max )
-- Return the value for max if it is specified.
max = processNumArg( max )
if max then
return max
end

-- Otherwise, detect the largest archive number.
start = start or 1
local check1000 = checkArchives( prefix, 1000, start )
if check1000 == start then
return 0 -- Return 0 if no archives were found.
end
local check200 = checkArchives( prefix, 200, check1000 - 1000 )
local check50 = checkArchives( prefix, 50, check200 - 200 )
local check10 = checkArchives( prefix, 10, check50 - 50 )
local check1 = checkArchives( prefix, 1, check10 - 10 )
-- check1 is the first page that doesn't exist, so we want to
-- subtract it by one to find the biggest existing archive.
return check1 - 1
end

-- Get the archive link prefix (the title of the archive pages
-- minus the number).
local function getPrefix( root, prefix, prefixSpace )
local ret = root or mw.title.getCurrentTitle().prefixedText
ret = ret .. '/'
if prefix then
ret = ret .. prefix
if prefixSpace == 'yes' then
ret = ret .. ' '
end
else
ret = ret .. 'Archive '
end
return ret
end

-- Get the number of archives to put on one line. Set to
-- math.huge if there should be no line breaks.
local function getLineNum( links, nobr, isLong )
local linksToNum = tonumber( links )
local lineNum
if nobr == 'yes' or (links and not linksToNum) then
lineNum = math.huge
-- If links is a number, process it. Negative values and expressions
-- such as links=8/2 produced some interesting values with the old
-- template, but we will ignore those for simplicity.
elseif type(linksToNum) == 'number' and linksToNum >= 0 then
-- The old template rounded down decimals to the nearest integer.
lineNum = math.floor( linksToNum )
if lineNum == 0 then
-- In the old template, values of links between 0 and 0.999
-- suppressed line breaks.
lineNum = math.huge
end
else
if isLong==true then
lineNum = 3 -- Default to 3 links on long
else
lineNum = 10 -- Default to 10 on short
end
end
return lineNum
end

-- Gets the prefix to put before the archive links.
local function getLinkPrefix( prefix, space, isLong )
-- Get the link prefix.
local ret = ''
if isLong==true then ---- Default of old template for long is 'Archive '
if type(prefix) == 'string' then
if prefix == 'none' then -- 'none' overrides to empty prefix
ret = ''
else
ret = prefix
if space == 'yes' then
ret = ret .. ' '
end
end
else
ret = 'Archive '
end
else --type is not long
if type(prefix) == 'string' then
ret = prefix
if space == 'yes' then
ret = ret .. ' '
end
end
end
return ret
end

-- Get the number to start listing archives from.
local function getStart( start )
start = processNumArg( start )
if start then
return start
else
return 1
end
end

-- Get whether to leave a blank cell in the first row and column
-- If links start at 1, and lineNum is a round number, this aligns the first
-- column to start on a multiple of lineNum, which may be a nice round number
local function getLeaveFirstCellBlank( leaveFirstCellBlank )
return leaveFirstCellBlank == 'yes'
or leaveFirstCellBlank == 'y'
or leaveFirstCellBlank == 1
end

-- Process the separator parameter.
local function getSeparator( sep )
if sep and type(sep) == 'string' then
if sep == 'dot'
or sep =='pipe'
or sep == 'comma'
or sep == 'tpt-languages' then
return mw.message.new( sep .. '-separator' ):plain()
else
return sep
end
else
return nil
end
end

-- Generates the list of archive links. glargs.max must be either zero (for
-- no archives) or a positive integer value.
local function generateLinks( glargs )
if type( glargs ) ~= 'table' or not glargs.max or not glargs.prefix then
error('insufficient arguments passed to generateLinks', 2)
end
-- If there are no archives yet, return a message and a
-- link to create Archive one.
if glargs.max == 0 then
if glargs.isLong == true then
glargs.max = 1 -- One archive redlink is displayed for Long format
else -- Short error and a creat link is displayed for short
--``return 'no archives yet ([[' .. glargs.prefix .. '1|create]])'
return 'no archives yet ([[' .. glargs.prefix .. 'A|create]])'
end
end
-- Return an html error if the start number is greater than the
-- maximum number.
local start = glargs.start or 1
if start > glargs.max then
return '<span class="error">Start value "'
.. tostring( start )
.. '" is greater than the most recent archive number "'
.. tostring( glargs.max )
.. '".</span>'
end
local linkPrefix = glargs.linkPrefix or ''
local lineNum = glargs.lineNum or 10
local sep = '' -- Long default separator is cell elements, short is ', '
local lineSep = '' -- Long default linebreak is row elements short is '\n'
if glargs.isLong==true then
sep = glargs.sep or ''
sep = sep .. '</td><td>'
lineSep = glargs.lineSep or ''
lineSep = lineSep .. '</td></tr><tr><td>'
else
sep = glargs.sep or mw.message.new( 'comma-separator' ):plain()
lineSep = glargs.lineSep or '<br />'
end
-- Generate the archive links.
local lineCounter = 1 -- The counter to see whether we need a line break or not.
local ret = {} -- A table containing the strings to be returned.
if glargs.isLong == true then --Long version is a table
table.insert(ret, "<table style=\"width: 100%; padding: 0px; text-align: center; background-color: transparent;\"><tr><td>")
end
if glargs.leaveFirstCellBlank then
-- An empty first cell aligns the first column on multiples of lineNum
table.insert(ret, sep)
lineCounter = lineCounter + 1
end
for archiveNum = start, glargs.max do
local link = mw.ustring.format(
'[[%s%s|%s%s]]',
glargs.prefix, numToLetters(archiveNum), linkPrefix, numToLetters(archiveNum)
)
table.insert( ret, link )
-- If we don't need a new line, output a comma. We don't need
-- a comma after the last link.
if lineCounter < lineNum and archiveNum < glargs.max then
table.insert( ret, sep )
lineCounter = lineCounter + 1
-- Output new lines if needed. We don't need a new line after
-- the last link.
elseif lineCounter >= lineNum and archiveNum < glargs.max then
table.insert( ret, lineSep )
lineCounter = 1
end
end
if glargs.isLong == true then --Long version is a table
table.insert(ret, "</td></tr></table>")
end
return table.concat( ret )
end

-- Determine if format should be long
local function findFormType( auto )
if auto == nil or auto == '' then
return false
elseif auto == 'long' then
return true
else
return false
end
end

-- Get the archive data and pass it to generateLinks().
local function _main( args )
local isLong = findFormType( args.auto )
local prefix = getPrefix( args.root, args.prefix, args.prefixspace )
local lineNum = getLineNum( args.links, args.nobr, isLong )
local linkPrefix = getLinkPrefix( args.linkprefix, args.linkprefixspace, isLong )
local start = getStart( args.start )
local max = getBiggestArchiveNum( prefix, start, args.max )
local sep = getSeparator( args.sep )
local lineSep = getSeparator( args.linesep )
local leaveFirstCellBlank = getLeaveFirstCellBlank( args.leavefirstcellblank )
local glargs = {
start = start,
max = max,
prefix = prefix,
linkPrefix = linkPrefix,
isLong = isLong,
sep = sep,
lineNum = lineNum,
lineSep = lineSep,
leaveFirstCellBlank = leaveFirstCellBlank
}
return generateLinks( glargs )
end

-- A wrapper function to make getBiggestArchiveNum() available from
-- #invoke.
local function _count( args )
local prefix = getPrefix( args.root, args.prefix, args.prefixspace )
local archiveMax = getBiggestArchiveNum( prefix )
return archiveMax
end

function makeWrapper( func )
return function( frame )
-- If we are being called from #invoke, get the args from #invoke
-- if they exist, or else get the arguments passed to the parent
-- frame. Otherwise, assume the arguments are being passed directly
-- in from another module or from the debug console.
local origArgs
if frame == mw.getCurrentFrame() then
origArgs = frame:getParent().args
for k, v in pairs( frame.args ) do
origArgs = frame.args
break
end
else
origArgs = frame
end

-- Ignore blank values for parameters other than "links",
-- which functions differently depending on whether it is
-- blank or absent.
local args = {}
for k, v in pairs( origArgs ) do
if k == 'links' or v ~= '' then
args[k] = v
end
end

return func( args )
end
end

return {
main = makeWrapper( _main ),
count = makeWrapper( _count )
}

Module:Archive list alpha/sandbox - Revision history

Lemondoge: Logic simplifications

Lemondoge: Create sandbox version of Module:Archive list alpha