require('strict')  local pre = require('Module:এর ২').main local infoboxStyle = mw.loadData('Module:WPMILHIST Infobox style') local templatestyles = 'মডিউল:তথ্যছক সামরিক সংঘর্ষ/শৈলী.css'  local IMC = {} IMC.__index = IMC  function IMC:renderPerCombatant(builder, headerText, prefix, suffix) 	prefix = prefix or 	suffix = suffix or  	local colspans = {} 	 	-- This may result in colspans[1] getting set twice, but 	-- this is no big deal. The second set will be correct. 	local lastCombatant = 1 	 	for i = 1,self.combatants do 		if self.args[prefix .. i .. suffix] then 			colspans[lastCombatant] = i - lastCombatant 			lastCombatant = i 		end 	end  	local jointText = self.args[prefix .. (self.combatants + 1) .. suffix] 	 	if headerText and (colspans[1] or jointText) then 		builder:tag('tr') 			:tag('th') 				:attr('colspan', self.combatants) 				:cssText(infoboxStyle.header_raw) 				:wikitext(headerText) 	end  	-- The only time colspans[1] wouldn't be set is if no 	-- combatant has a field with the given prefix and suffix. 	if colspans[1] then 		-- Since each found argument set the colspan for the previous 		-- one, the final one wasn't set above, so set it now. 		colspans[lastCombatant] = self.combatants - lastCombatant + 1 		builder = builder:tag('tr') 		for i = 1,self.combatants do 			-- At this point, colspans[i] will be set for i=1 unconditionally, and for 			-- any other value of i where self.args[prefix .. i .. suffix] is set. 			if colspans[i] then 				builder:tag('td') 					-- don't bother emitting colspan="1" 					:attr('colspan', colspans[i] ~= 1 and colspans[i] or nil) 					:css('width', math.floor(100 / self.combatants * colspans[i] + 0.5) .. '%') 					-- no border on the right of the rightmost column 					:css('border-right', i ~= lastCombatant and infoboxStyle.internal_border or nil) 					-- no padding on the left of the leftmost column 					:css('padding-left', i ~= 1 and '0.25em' or nil) 					-- don't show the border if we're directly under a header 					:css('border-top', not headerText and infoboxStyle.internal_border or nil) 					:newline() 					:wikitext(self.args[prefix .. i .. suffix]) 			end 		end 	end  	if jointText then 		builder:tag('tr') 			:tag('td') 				:attr('colspan', self.combatants) 				:css('text-align', 'center') 				-- don't show the border if we're directly under a header 				:css('border-top', (not headerText or colspans[1]) and infoboxStyle.internal_border or nil) 				:newline() 				:wikitext(jointText) 	end end  function IMC:renderHeaderTable(builder) 	builder = builder:tag('table') 		:css('width', '100%') 		:css('margin', 0) 		:css('padding', 0) 		:css('border', 0)  	if self.args.date then 		builder:tag('tr') 			:tag('th') 				:css('padding-right', '1em') 				:wikitext('তারিখ') 			:done() 			:tag('td') 				:wikitext(self.args.date) 	end  	builder = builder:tag('tr') 		:tag('th') 			:css('padding-right', '1em') 			:wikitext('অবস্থান') 		:done() 		:tag('td') 			:tag('div') 				:addClass('location') 				:wikitext(self.args.place or '{{{place}}}') -- hack so that people who don't know Lua know that this parameter is required 			:done() 	if self.args.coordinates then 		builder:wikitext(self.args.coordinates) 	end 	builder = builder:done():done()  	-- only for "Putsch"     if self.args.action then 		builder:tag('tr') 			:tag('th') 				:css('padding-right', '1em') 				:wikitext(self.args.action and 'ক্রিয়া') 			:done() 			:tag('td') 				:wikitext(self.args.action) 	end  	if self.args.status or self.args.result then 		builder:tag('tr') 			:tag('th') 				:css('padding-right', '1em') 				:wikitext(self.args.status and 'অবস্থা' or 'ফলাফল') 			:done() 			:tag('td') 				:addClass('status') 				:newline() 				:wikitext(self.args.status or self.args.result) 	end  	if self.args.territory then 		builder:tag('tr') 			:tag('th') 				:css('padding-right', '1em') 				:wikitext('অধিকৃতএলাকারপরিবর্তন') 			:done() 			:tag('td') 				:newline() 				:wikitext(self.args.territory) 	end end  function IMC:render() 	local builder = mw.html.create() 	if self.args.campaignbox then 		-- this should be the same as using  		builder = builder:tag('div') 			:addClass('mw-stack desktop-float-right') 			:tag('div') 				:css('overflow', 'hidden') 				:css('margin', '1px') 	end 	builder = builder:tag('table') 		:addClass('infobox vevent') 		:cssText(infoboxStyle.main_box_raw) 		:css('width', self.args.width or nil)  	builder:tag('tr') 		:tag('th') 			:addClass('summary') 			:attr('colspan', self.combatants) 			:cssText(infoboxStyle.header_raw) 			:wikitext(self.args.conflict or mw.title.getCurrentTitle().text) 	if self.args.partof then 		builder:tag('tr') 			:tag('td') 				:attr('colspan', self.combatants) 				:cssText(infoboxStyle.sub_header_raw) 				:wikitext(pre(self.args.partof)..' অংশ') 	end 	if self.args.image then 		builder:tag('tr') 			:tag('td') 				:attr('colspan', self.combatants) 				:cssText(infoboxStyle.image_box_raw) 				:wikitext(string.format('%s%s%s', 					require('Module:InfoboxImage').InfoboxImage{args = { 						image = self.args.image, 						size = self.args.image_size, 						sizedefault = 'frameless', 						upright = 1, 						alt = self.args.alt 					}}, 					self.args.caption and '' or , 					self.args.caption or  				)) 	end 	self:renderHeaderTable(builder:tag('tr'):tag('td'):attr('colspan', self.combatants)) 	self:renderPerCombatant(builder, self.args.combatants_header or 'বিবাদমান পক্ষ', 'combatant') 	-- can be un-hardcoded once gerrit:165108 is merged 	for _,v in ipairs{'a','b','c','d'} do 		self:renderPerCombatant(builder, nil, 'combatant', v) 	end 	 	self:renderPerCombatant(builder, 'সেনাধিপতি ও নেতৃত্ব প্রদানকারী', 'commander') 	for _,v in ipairs{'a','b','c','d'} do 		self:renderPerCombatant(builder, nil, 'commander', v) 	end 	 	self:renderPerCombatant(builder, 'জড়িত ইউনিট', 'units') 	self:renderPerCombatant(builder, 'শক্তি', 'strength') 	self:renderPerCombatant(builder, 'রাজনৈতিক সমর্থক', 'polstrength') 	self:renderPerCombatant(builder, 'সামরিক সহায়তা', 'milstrength') 	self:renderPerCombatant(builder, 'হতাহত ও ক্ষয়ক্ষতি', 'casualties')  	if self.args.notes then 		builder:tag('tr') 			:tag('td') 				:attr('colspan', self.combatants) 				:css('border-top', infoboxStyle.section_border) 				:newline() 				:wikitext(self.args.notes) 	end 	if self.args.map_type then 		builder:tag('tr') 			:tag('td') 				:attr('colspan', self.combatants) 				:css('border-top', infoboxStyle.internal_border) 				:node(require('মডিউল:অবস্থান মানচিত্র').main(self.frame, { 					self.args.map_type, 					relief = self.args.map_relief, 					coordinates = self.args.coordinates, 					width = self.args.map_size or 220, 					float = 'center', 					border = 'none', 					mark = self.args.map_mark, 					marksize = self.args.map_marksize or 8, 					label = self.args.map_label, 					alt = self.args.map_alt, 					caption = self.args.map_caption or (  						.. (require('মডিউল:অবস্থান মানচিত্র').data(self.frame, {self.args.map_type, 'name'})) .. '-এ অবস্থান') 				})) 	end 	builder = builder:done() 	if self.args.campaignbox then 		builder = builder:done() 			:tag('div') 				:css('overflow', 'hidden') 				:css('margin', '1px') 				:wikitext(self.args.campaignbox) 			:done() 		:done() 	end 	return builder end  function IMC.new(frame, args) 	if not args then 		args = require('Module:Arguments').getArgs(frame, {wrappers = 'টেমপ্লেট:তথ্যছক সামরিক সংঘর্ষ'}) 	end 	local obj = { 		frame = frame, 		args = args 	}  	-- until gerrit:165108 is merged, there's still a cap on combatants, but as soon as it merges, we can update this little bit of code to uncap it 	-- also, don't try to make this more efficient, or references could be in the wrong order 	obj.combatants = 2 	for _,v in ipairs{, 'a', 'b', 'c', 'd'} do 		for i = 1,5 do 			if args['combatant' .. i .. v] then 				obj.combatants = math.max(obj.combatants, i) 			end 		end 	end  	return setmetatable(obj, IMC) end  local p = {}  function p.main(frame) 	return frame:extensionTag{ name = 'templatestyles', args = { src = templatestyles} } .. tostring(IMC.new(frame):render()) end  return p