Module:Unsubst-infobox/sandbox
< Module:Unsubst-infobox
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Revision as of 11:52, 18 May 2017 by blackwiki>Jc86035 (Create sandbox version of Module:Unsubst-infobox)
Documentation for this module may be created at Module:Unsubst-infobox/sandbox/doc
local p = {}
local specialParams = {
['$P'] = 'parameters',
['$E'] = 'extra parameters',
['$S1'] = 'parameter set 1', -- DOESN'T WORK
['$S2'] = 'parameter set 2', -- DOESN'T WORK
['$S3'] = 'parameter set 3', -- DOESN'T WORK
['$A'] = 'aliases',
['$B'] = 'template content',
['$X'] = 'flags' -- not in use
}
p[''] = function ( frame )
if not frame:getParent() then
error( '{{#invoke:Unsubst-infobox|}} makes no sense without a parent frame' )
end
if not frame.args['$B'] then
error( '{{#invoke:Unsubst-infobox|}} requires parameter $B (template content)' )
end
if not frame.args['$P'] then
error( '{{#invoke:Unsubst-infobox|}} requires parameter $P (parameter list)' )
end
if mw.isSubsting() then
---- substing
-- Combine passed args with passed defaults
local args = {}
for k, v in pairs( frame.args ) do
if not specialParams[k] then
if v == '__DATE__' then
v = mw.getContentLanguage():formatDate( 'F Y' )
end
args[k] = v
end
end
for k, v in pairs( frame:getParent().args ) do
args[k] = v
end
-- Build an equivalent template invocation
-- First, find the title to use
local titleobj = mw.title.new(frame:getParent():getTitle())
local title
if titleobj.namespace == 10 then -- NS_TEMPLATE
title = titleobj.text
elseif titleobj.namespace == 0 then -- NS_MAIN
title = ':' .. titleobj.text
else
title = titleobj.prefixedText
end
-- Remove empty fields
for k, v in pairs( args ) do
if v == '' then args[k] = nil end
end
-- Pull information from parameter aliases
local aliases = {}
if frame.args['$A'] then
local list = mw.text.split( frame.args['$A'], '%s*,%s*' )
for k, v in ipairs( list ) do
local tmp = mw.text.split( v, '%s*>%s*' )
aliases[tmp[1]] = tmp[2]
end
end
for k, v in pairs( aliases ) do
if args[k] and not args[v] then args[v], args[k] = args[k], nil end
end
-- Build the invocation body with numbered args first, then named
local ret = '{{' .. title
for k, v in ipairs( args ) do
if string.find( v, '=', 1, true ) then
-- likely something like 1=foo=bar, we need to do it as a named arg
break
end
if not aliases[k] then
ret = ret .. '|' .. v
args[k] = nil
end
end
-- Pull lists from special parameters
local params = mw.text.split( frame.args['$P'], '%s*,%s*' )
local sets, extra = {{}, {}, {}}, {}
for k = 1, 3 do
local v = frame.args['$S' .. k]
if v then
local tmp = mw.text.split( v, '%s*,%s*' )
for _, x in ipairs( tmp ) do sets[k][x] = true end
end
end
if frame.args['$E'] then
local tmp = mw.text.split( frame.args['$E'], '%s*,%s*' )
for k, v in ipairs( tmp ) do extra[v] = true end
end
-- Replace parameter list with short version if full version not necessary
local tmp = {}
for k, v in ipairs( sets ) do
if next(v) then -- if table v is not empty
for _, x in ipairs( params ) do
if args[x] and not v[x] then
tmp[k] = true
break
end
end
if not tmp[k] then params = v end
end
end
-- Align parameters correctly
local maxlength = 0
for k, v in ipairs( params ) do
local tmp = mw.ustring.len( v )
if tmp > maxlength then maxlength = tmp end
end
for k, v in ipairs( params ) do
if (not extra[v]) or args[v] then
ret = ret .. '\n| ' .. v .. string.rep(' ', (maxlength - mw.ustring.len( v ))) .. ' = ' .. (args[v] or '')
end
end
ret = ret .. '\n}}'
ret = mw.ustring.gsub(ret, '%s+\n', '\n')
return ret
else
-- Not substing
-- Just return the "body"
return frame.args['$B']
end
end
return p