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Module:Singles

3,664 bytes added, 05:53, 15 November 2018

Undid revision 868910974 by Zackmann08 (talk) this breaks the substitution for the deprecated parameters.

local p = {}

-- Ripped from Module:Infobox. TODO: Make a utility module that can do this kind of thing
local function getArgNums(args, prefix)
-- Returns a table containing the numbers of the arguments that exist
-- for the specified prefix. For example, if the prefix were to be 'data', and
-- 'data1', 'data2', and 'data5' were to exist, it would return {1, 2, 5}.
local nums = {}
for k, v in pairs(args) do
local num = tostring(k):match('^' .. prefix .. '([1-9]%d*)$')
if num then table.insert(nums, tonumber(num)) end
end
table.sort(nums)
return nums
end

-- Forked from Module:Unsubst-infobox

local specialParams = {
['$B'] = 'template content'
}

p[''] = function ( frame )
if not frame.args['$B'] then
error( '{{#invoke:Singles|}} requires parameter $B (template content)' )
end

if mw.isSubsting() then
---- substing
-- Passed args
local args = {}
for k, v in pairs( frame:getParent().args ) do
args[k] = v
end

-- Build an equivalent template invocation
-- First, find the title to use
local titleobj = mw.title.new(frame:getParent():getTitle())
local title
if titleobj.namespace == 10 then -- NS_TEMPLATE
title = titleobj.text
elseif titleobj.namespace == 0 then -- NS_MAIN
title = ':' .. titleobj.text
else
title = titleobj.prefixedText
end

-- Remove empty fields
for k, v in pairs( args ) do
if v == '' then args[k] = nil end
end

-- Pull aliases
local nums = getArgNums(args, '[Ss]ingle ?')
for _, num in ipairs(nums) do
args['single' .. num] = args['single' .. num] or args['single ' .. num] or args['Single ' .. num]
args['single' .. num .. 'date'] = args['single' .. num .. 'date'] or args['single ' .. num .. ' date'] or args['Single ' .. num .. ' date'] or ''
args['single ' .. num], args['Single ' .. num], args['single ' .. num .. ' date'], args['Single ' .. num .. ' date'] = nil, nil, nil, nil
end
for k, v in pairs( {Type = 'type', Name = 'name'} ) do
if args[k] and not args[v] then args[v], args[k] = args[k], nil end
end

-- Build the invocation body
local ret = '{{' .. title

-- Make parameter list
local params = {'name', 'type'}
for _, num in ipairs( nums ) do table.insert( params, 'single' .. num ); table.insert( params, 'single' .. num .. 'date' ) end

-- Align parameters correctly and remove extra ones
local maxlength = 0
for k, v in ipairs( params ) do
local tmp = mw.ustring.len( v )
if tmp > maxlength then maxlength = tmp end
end

for k, v in ipairs( params ) do
ret = ret .. '\n | ' .. v .. string.rep(' ', (maxlength - mw.ustring.len( v ))) .. ' = ' .. (args[v] or '')
end

ret = ret .. '\n}}'

ret = mw.ustring.gsub(ret, '%s+\n', '\n')

return ret
else
-- Not substing
-- Just return the "body"
return frame.args['$B']
end
end

function p.main(frame)
local args = require('Module:Arguments').getArgs(frame, {wrappers = 'Template:Singles'})
local out = ''
local nums = getArgNums(args, '[Ss]ingle ?')
for _, num in ipairs(nums) do
out = out .. '\n# <span class="item"><span class="fn">"' .. (args['single' .. num] or args['single ' .. num] or args['Single ' .. num]) .. '"</span>'
local date = args['single' .. num .. 'date'] or args['single ' .. num .. ' date'] or args['Single ' .. num .. ' date']
if date then
out = out .. '<br />Released: ' .. date
end
out = out .. '</span>'
end

if out ~= '' then
if mw.ustring.match(out, '</?t[drh][ >]') then out = out .. ' [[Category:Music infoboxes with malformed table placement|R]]' end
return '<div style="text-align:left">' .. out .. '\n</div>'
end

return out
end

return p

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