require('strict')
local p = {}
local cfg = mw.loadData('Module:Navbox/configuration')
local inArray = require("Module:TableTools").inArray
local getArgs -- lazily initialized
local hiding_templatestyles = {}  
-- global passthrough variables
local passthrough = {
[cfg.arg.above]=true,[cfg.arg.aboveclass]=true,[cfg.arg.abovestyle]=true,
[cfg.arg.basestyle]=true,
[cfg.arg.below]=true,[cfg.arg.belowclass]=true,[cfg.arg.belowstyle]=true,
[cfg.arg.bodyclass]=true,
[cfg.arg.groupclass]=true,
[cfg.arg.image]=true,[cfg.arg.imageclass]=true,[cfg.arg.imagestyle]=true,
[cfg.arg.imageleft]=true,[cfg.arg.imageleftstyle]=true,
[cfg.arg.listclass]=true,
[cfg.arg.name]=true,
[cfg.arg.navbar]=true,
[cfg.arg.state]=true,
[cfg.arg.title]=true,[cfg.arg.titleclass]=true,[cfg.arg.titlestyle]=true,
argHash=true
}  
-- helper functions
local andnum = function(s, n) return string.format(cfg.arg[s .. '_and_num'], n) end
local isblank = function(v) return (v or *) == * end  
local function concatstrings(s)
local r = table.concat(s, '')
if r:match('^%s*$') then return nil end
return r
end  
local function concatstyles(s)
local r = ''
for _, v in ipairs(s) do
v = mw.text.trim(v, "%s;")
if not isblank(v) then r = r .. v .. ';' end
end
if isblank(r) then return nil end
return r
end  
local function getSubgroup(args, listnum, listText, prefix)
local subArgs = {
[cfg.arg.] = cfg.keyword.border_subgroup,
[cfg.arg.navbar] = cfg.keyword.navbar_plain,
argHash = 0
}
local hasSubArgs = false
local subgroups_and_num = prefix and {prefix} or cfg.arg.subgroups_and_num
for k, v in pairs(args) do
k = tostring(k)
for _, w in ipairs(subgroups_and_num) do
w = string.format(w, listnum) .. "_"
if (#k > #w) and (k:sub(1, #w) == w) then
subArgs[k:sub(#w + 1)] = v
hasSubArgs = true
subArgs.argHash = subArgs.argHash + (v and #v or 0)
end
end
end
return hasSubArgs and p._navbox(subArgs) or listText
end  
-- Main functions
function p._navbox(args)
if args.type == cfg.keyword.with_collapsible_groups then
return p._withCollapsibleGroups(args)
elseif args.type == cfg.keyword.with_columns then
return p._withColumns(args)
end  
local function striped(wikitext, )
-- Return wikitext with markers replaced for odd/even striping.
-- Child (subgroup) navboxes are flagged with a category that is removed
-- by parent navboxes. The result is that the category shows all pages
-- where a child navbox is not contained in a parent navbox.
local orphanCat = cfg.category.orphan
if == cfg.keyword.border_subgroup and args[cfg.arg.orphan] ~= cfg.keyword.orphan_yes then
-- No change; striping occurs in outermost navbox.
return wikitext .. orphanCat
end
local first, second = cfg.class.navbox_odd_part, cfg.class.navbox_even_part
if args[cfg.arg.evenodd] then
if args[cfg.arg.evenodd] == cfg.keyword.evenodd_swap then
first, second = second, first
else
first = args[cfg.arg.evenodd]
second = first
end
end
local changer
if first == second then
changer = first
else
local index = 0
changer = function (code)
if code == '0' then
-- Current occurrence is for a group before a nested table.
-- Set it to first as a valid although pointless class.
-- The next occurrence will be the first row after a title
-- in a subgroup and will also be first.
index = 0
return first
end
index = index + 1
return index % 2 == 1 and first or second
end
end
local regex = orphanCat:gsub('([%[%]])', '%%%1')
return (wikitext:gsub(regex, ''):gsub(cfg.marker.regex, changer)) -- omits gsub count
end  
local function processItem(item, nowrapitems)
if item:sub(1, 2) == '{|' then
-- Applying nowrap to lines in a table does not make sense.
-- Add newlines to compensate for trim of x in |parm=x in a template.
return '\n' .. item .. '\n'
end
if nowrapitems == cfg.keyword.nowrapitems_yes then
local lines = {}
for line in (item .. '\n'):gmatch('([^\n]*)\n') do
local prefix, content = line:match('^([*:;#]+)%s*(.*)')
if prefix and not content:match(cfg.pattern.nowrap) then
line = string.format(cfg.nowrap_item, prefix, content)
end
table.insert(lines, line)
end
item = table.concat(lines, '\n')
end
if item:match('^[*:;#]') then
return '\n' .. item .. '\n'
end
return item
end  
local function has_navbar
return args[cfg.arg.navbar] ~= cfg.keyword.navbar_off
and args[cfg.arg.navbar] ~= cfg.keyword.navbar_plain
and (
args[cfg.arg.name]
or mw.getCurrentFrame:getParent:getTitle:gsub(cfg.pattern.sandbox, '')
~= cfg.pattern.navbox
end  
-- extract text color from css, which is the only permitted inline CSS for the navbar
local function extract_color(css_str)
-- return nil because navbar takes its argument into mw.html which handles
-- nil gracefully, removing the associated style attribute
return mw.ustring.match(';' .. css_str .. ';', '.*;%s*([Cc][Oo][Ll][Oo][Rr]%s*:%s*.-)%s*;') or nil
end  
local function renderNavBar(titleCell)
if has_navbar then
local navbar = require('Module:Navbar')._navbar
titleCell:wikitext(navbar{
[cfg.navbar.name] = args[cfg.arg.name],
[cfg.navbar.mini] = 1,
[cfg.navbar.fontstyle] = extract_color(
(args[cfg.arg.basestyle] or *) .. ';' .. (args[cfg.arg.titlestyle] or *)
})
end  
end  
local function renderTitleRow(tbl)
if not args[cfg.arg.title] then return end  
local titleRow = tbl:tag('tr')  
local titleCell = titleRow:tag('th'):attr('scope', 'col')  
local titleColspan = 2
if args[cfg.arg.imageleft] then titleColspan = titleColspan + 1 end
if args[cfg.arg.image] then titleColspan = titleColspan + 1 end  
titleCell
:cssText(args[cfg.arg.basestyle])
:cssText(args[cfg.arg.titlestyle])
:addClass(cfg.class.navbox_title)
:attr('colspan', titleColspan)  
renderNavBar(titleCell)  
titleCell
:tag('div')
-- id for aria-labelledby attribute
:attr('id', mw.uri.anchorEncode(args[cfg.arg.title]) .. args.argHash)
:addClass(args[cfg.arg.titleclass])
:css('font-size', '114%')
:css('margin', '0 4em')
:wikitext(processItem(args[cfg.arg.title]))
end  
local function getAboveBelowColspan
local ret = 2
if args[cfg.arg.imageleft] then ret = ret + 1 end
if args[cfg.arg.image] then ret = ret + 1 end
return ret
end  
local function renderAboveRow(tbl)
if not args[cfg.arg.above] then return end  
tbl:tag('tr')
:tag('td')
:addClass(cfg.class.navbox_abovebelow)
:addClass(args[cfg.arg.aboveclass])
:cssText(args[cfg.arg.basestyle])
:cssText(args[cfg.arg.abovestyle])
:attr('colspan', getAboveBelowColspan)
:tag('div')
-- id for aria-labelledby attribute, if no title
:attr('id', (not args[cfg.arg.title]) and
(mw.uri.anchorEncode(args[cfg.arg.above]) .. args.argHash)
or nil)
:wikitext(processItem(args[cfg.arg.above], args[cfg.arg.nowrapitems]))
end  
local function renderBelowRow(tbl)
if not args[cfg.arg.below] then return end  
tbl:tag('tr')
:tag('td')
:addClass(cfg.class.navbox_abovebelow)
:addClass(args[cfg.arg.belowclass])
:cssText(args[cfg.arg.basestyle])
:cssText(args[cfg.arg.belowstyle])
:attr('colspan', getAboveBelowColspan)
:tag('div')
:wikitext(processItem(args[cfg.arg.below], args[cfg.arg.nowrapitems]))
end  
local function renderListRow(tbl, index, listnum, listnums_size)
local row = tbl:tag('tr')  
if index == 1 and args[cfg.arg.imageleft] then
row
:tag('td')
:addClass(cfg.class.noviewer)
:addClass(cfg.class.navbox_image)
:addClass(args[cfg.arg.imageclass])
:css('width', '') -- Minimize width
:css('padding', '0 0 0')
:cssText(args[cfg.arg.imageleftstyle])
:attr('rowspan', listnums_size)
:tag('div')
:wikitext(processItem(args[cfg.arg.imageleft]))
end  
local group_and_num = andnum('group', listnum)
local groupstyle_and_num = andnum('groupstyle', listnum)
if args[group_and_num] then
local groupCell = row:tag('th')  
-- id for aria-labelledby attribute, if lone group with no title or above
if listnum == 1 and not (args[cfg.arg.title] or args[cfg.arg.above] or args[cfg.arg.group2]) then
groupCell
:attr('id', mw.uri.anchorEncode(args[cfg.arg.group1]) .. args.argHash)
end  
groupCell
:attr('scope', 'row')
:addClass(cfg.class.navbox_group)
:addClass(args[cfg.arg.groupclass])
:cssText(args[cfg.arg.basestyle])
-- If groupwidth not specified, minimize width