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Module:Sports table/Chess

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-- Style for chess tables
local pp = {}

function pp.preprocess(Args,N_teams,prefix,drawfractions)
	local legs = 1
	for ii=1,N_teams do
		local ti = Args['team' .. ii]
		Args[prefix..'win_'..ti] = 0
		Args[prefix..'draw_'..ti] = 0
		Args[prefix..'loss_'..ti] = 0
		local matchrow_str = Args[prefix..'matchrow_' .. ti] or ''
		for jj=1,N_teams do
			local tj = Args['team' .. jj] 
			if ii ~= jj then
				if matchrow_str ~= '' then
					Args[prefix..'match_' .. ti .. '_' .. tj] = mw.ustring.match(matchrow_str, '^([^,]*),?')
				end
				local match_str = Args[prefix..'match_' .. ti .. '_' .. tj] or ''
				local game_count = 1
				while match_str ~= '' do
					local gii = mw.ustring.match(match_str, '^([^%+]*)%+?')
					gii = mw.ustring.gsub(gii or '','^%s*','')						-- Trim starting whitespace
					gii = mw.ustring.gsub(gii or '','%s*$','')						-- Trim ending whitespace
					if gii == '1' then
						Args[prefix..'win_'..ti] = Args[prefix..'win_'..ti] + 1
					elseif gii == '½' then
						Args[prefix..'draw_'..ti] = Args[prefix..'draw_'..ti] + 1
						if drawfractions then
							gii = mw.getCurrentFrame():extensionTag{
								name = 'templatestyles', args = { src = 'Screen reader-only/styles.css' }
							} .. '<span class="sr-only">&nbsp;</span><sup>1</sup>&frasl;<sub>2</sub>'
						end
					elseif gii == '0' then
						Args[prefix..'loss_'..ti] = Args[prefix..'loss_'..ti] + 1
					end
					Args[prefix..'match' .. game_count .. '_' .. ti .. '_' .. tj] = gii
					match_str = mw.ustring.gsub(match_str, '^([^%+]*)', '') or ''	-- Remove gii from the match_str
					if match_str ~= '' then											-- If there is still a plus sign
						game_count = game_count + 1									-- Then there is another game in the match
						match_str = mw.ustring.gsub(match_str, '^%+?', '') or ''	-- So remove the plus sign
					end																-- And continue
				end
				if game_count > legs then											-- If there are more games than expected
					legs = game_count												-- Change the number of games
				end
			end
			matchrow_str = mw.ustring.gsub(matchrow_str, '^([^,]*),?', '') or ''
		end
	end
	Args[prefix..'legs'] = legs														-- And finally change the Arg at the end
end

function pp.header(t,Args,p_sub,pos_label,group_col,VTE_text,full_table,results_header_txt)
	-- Load relevant modules
	local yesno = require('Module:Yesno')
	
	-- Create table header
	-- Pre stuff
	local player_width = Args['playerwidth'] or '190'
	local sort_text = ''
	local sort_table_val = Args['sortable_table'] 	or 'no'
	if yesno(sort_table_val) then sort_text = ' sortable' end
	-- Open table
	table.insert(t,'{|class="wikitable'..sort_text..'" style="text-align:center;"\n')
	-- Table title
	if Args['title'] or Args['table_header'] then
		table.insert(t,'|+ ' .. (Args['title'] or Args['table_header']) .. '\n')
	end
	-- Preprocess match data
	local top_pos = tonumber(Args['highest_pos']) or 1
	local N_teams = top_pos - 1 -- Default to 0 at start, but higher number needed to skip certain entries
	while Args['team'..N_teams+1] ~= nil do N_teams = N_teams+1 end
	pp.preprocess(Args,N_teams,'',yesno(Args['crosstable_fractions'] or 'no'))
	local tb_numplayers = tonumber(Args['tb_numplayers']) or 0
	if tb_numplayers > N_teams then
		tb_numplayers = N_teams
		Args['tb_numplayers'] = N_teams
	end
	if tb_numplayers >= 2 then
		pp.preprocess(Args,tb_numplayers,'tb',yesno(Args['crosstable_fractions'] or 'no'))
	end
	-- Which columns to show
	local show_rating = yesno(Args['show_rating'] or 'no')
	local show_played = not yesno(Args['hide_played'] or 'no')
	local hth_first = yesno(Args['hth_before_w'] or 'yes')
	local show_hth = yesno(Args['show_hth'] or 'yes')
	local show_win = yesno(Args['show_win'] or 'yes')
	local show_draw = yesno(Args['show_draw'] or 'no')
	local show_loss = yesno(Args['show_loss'] or 'no')
	local sb_first = yesno(Args['sb_before_w'] or 'no')
	local show_sb = yesno(Args['show_sb'] or 'no')
	local extra_cols = tonumber(Args['extra_cols']) or 0
	-- Custom header options
	local group_head_text = Args['group_header'] or '<abbr title="Group">Grp</abbr>'
	local player_head_text = Args['player_header'] or 'Player'

	-- Initialize
	local tt = {}
	tt.count = 0 		-- Up by one after every call
	tt.tab_text = t		-- Actual text
	-- Actual headers
	if pos_label ~= nil then
		tt = p_sub.colhead(tt,28,pos_label)										-- Position col
	end
	-- Add group header
	if full_table and group_col then
		tt = p_sub.colhead(tt,28,group_head_text)								-- Group col
	end
	tt = p_sub.colhead(tt,player_width,player_head_text..VTE_text)				-- Player col
	if full_table and show_rating then
		local rate_date = Args['rate_date'] or ''
		tt = p_sub.colhead(tt,28, '[[FIDE world rankings|Rating]]<br/><small><span style="white-space:nowrap">'..rate_date..'</span></small>')
	end
	if show_played then
		tt = p_sub.colhead(tt,28, '<abbr title="Games Played">Pld</abbr>')		-- Games played col
	end
	tt = p_sub.colhead(tt,28, 'Score')											-- Score col
	if full_table then
		if show_hth and hth_first then
			tt = p_sub.colhead(tt,28, '<abbr title="Head-to-head">H2H</abbr>')	-- Head-to-head col
		end
		if show_sb and sb_first then
			tt = p_sub.colhead(tt,28, '<abbr title="Sonneborn–Berger score">[[Sonneborn–Berger score|SB]]</abbr>')
		end
		if show_win then
			tt = p_sub.colhead(tt,28, 'Wins')									-- Wins col
		end
		if show_draw then
			tt = p_sub.colhead(tt,28, 'Draws')									-- Draws col
		end
		if show_loss then
			tt = p_sub.colhead(tt,28, 'Losses')									-- Losses col
		end
		if show_hth and not hth_first then
			tt = p_sub.colhead(tt,28, '<abbr title="Head-to-head">H2H</abbr>')	-- Head-to-head col if not first tiebreak
		end
		if show_sb and not sb_first then
			tt = p_sub.colhead(tt,28, '<abbr title="Sonneborn–Berger score">[[Sonneborn–Berger score|SB]]</abbr>')
		end
		for ecol=1,extra_cols do
			local extra_head_text = Args['extra_header'..ecol] or ('Extra' .. ecol)
			tt = p_sub.colhead(tt,28,extra_head_text)
		end
		tt.count = tt.count+1
		table.insert(tt.tab_text,results_header_txt)
	end
	
	return tt
end

function pp.row(frame,t,Args,p_sub,notes_exist,hth_id_list,full_table,rand_val,team_list,team_code_ii,ii_start,ii_end,ii_fw,bg_col,N_teams,ii,ii_show)
	-- Build the inner parts of individual rows
	
	-- Sub-module usage
	local mm = require('Module:Math')
	local yesno = require('Module:Yesno')
	
	-- Get custom/default options for in table
	local win_points = tonumber(Args['winpoints'])				or 1
	local draw_points = tonumber(Args['drawpoints'])			or 0.5
	local loss_points = tonumber(Args['losspoints'])			or 0
	
	-- Get some input
	local wins = tonumber(Args['win_'..team_code_ii])			or 0
	local draws = tonumber(Args['draw_'..team_code_ii]) 		or 0
	local losses = tonumber(Args['loss_'..team_code_ii])		or 0
	local hth_local = Args['hth_'..team_code_ii]				or ''
	local show_rating = yesno(Args['show_rating'] or 'no')
	local show_played = not yesno(Args['hide_played'] or 'no')
	local score_over_played = yesno(Args['score_over_played'] or 'no')
	local hth_first = yesno(Args['hth_before_w'] or 'yes')
	local show_hth = yesno(Args['show_hth'] or 'yes')
	local show_win = yesno(Args['show_win'] or 'yes')
	local show_draw = yesno(Args['show_draw'] or 'no')
	local show_loss = yesno(Args['show_loss'] or 'no')
	local wdl_iff_hth = yesno(Args['wdl_iff_hth'] or 'no')
	local sb_first = yesno(Args['sb_before_w'] or 'no')
	local show_sb = yesno(Args['show_sb'] or 'no')
	local nosb = yesno(Args['nosb_'..team_code_ii] or 'no')
	local sb_iff_hth = yesno(Args['sb_iff_hth'] or 'no')
	local extra_cols = tonumber(Args['extra_cols']) or 0
	local disp_fractions = yesno(Args['disp_fractions'] or 'yes')
	-- Then calculate some values
	local matches = wins + draws + losses
	local points = win_points*wins + draw_points*draws + loss_points*losses
	local sb_score = 0
	
	local templatestyles = mw.getCurrentFrame():extensionTag{
		name = 'templatestyles', args = { src = 'Screen reader-only/styles.css' }
	}
	hth_local = mw.ustring.gsub(hth_local, '%s*½', '.5')
	if hth_local == '' then
		hth_local = '&mdash;'
	elseif disp_fractions then
		hth_local = tonumber(hth_local) or 0
		if math.floor(hth_local) ~= hth_local then
			if math.floor(hth_local) > 0 then
				hth_local = math.floor(hth_local) .. templatestyles .. '<span class="sr-only">&nbsp;</span><sup>1</sup>&frasl;<sub>2</sub>'
			else
				hth_local = templatestyles .. '<span class="sr-only">&nbsp;</span><sup>1</sup>&frasl;<sub>2</sub>'
			end
		end
	end

	if score_over_played then
		points = '<span style="white-space:nowrap">' .. points .. ' / ' .. matches .. '</span>'
	elseif disp_fractions then
		if math.floor(points) ~= points then
			if math.floor(points) > 0 then
				points = math.floor(points) .. templatestyles .. '<span class="sr-only">&nbsp;</span><sup>1</sup>&frasl;<sub>2</sub>'
			else
				points = templatestyles .. '<span class="sr-only">&nbsp;</span><sup>1</sup>&frasl;<sub>2</sub>'
			end
		end
	end

	-- Sonneborn–Berger score
	if show_sb then
		if (sb_iff_hth and hth_local == '&mdash;') or nosb then
			sb_score = '&mdash;'
		end
		if sb_score == 0 then
			local legs = tonumber(Args['legs']) or 1
			for jj=1,N_teams do
				local tj = Args['team' .. jj]
				local tjpoints = win_points*Args['win_'..tj] + draw_points*Args['draw_'..tj] + loss_points*Args['loss_'..tj]
				if ii ~= jj then
					local match_str = Args['match_' .. team_code_ii .. '_' .. tj] or ''
					for l=1,legs do
						local gii = mw.ustring.match(match_str, '^%s*([^%+%s]*)%s*%+?')
						if gii == '1' then
							sb_score = sb_score + win_points*tjpoints
						elseif gii == '½' then
							sb_score = sb_score + draw_points*tjpoints
						elseif gii == '0' then
							sb_score = sb_score + loss_points*tjpoints
						end
						match_str = mw.ustring.gsub(match_str, '^%s*([^%+%s]*)%s*%+?', '') or ''
					end
				end
			end
		end
	end
	
	-- Some local vars	
	local hth_string
	local tt_return = p_sub.hth(frame,Args,full_table,hth_id_list,nil,notes_exist,team_list,team_code_ii,ii_start,ii_end,rand_val)
	hth_string = tt_return.str
	hth_id_list = tt_return.list
	notes_exist = tt_return.notes_exist
	
	-- Row building
	if full_table and show_rating then
		local rateii = Args['rating_'..team_code_ii] or ''
		table.insert(t,'| style="'..ii_fw..bg_col..'" |'..rateii..'\n')					-- Rating
	end
	if show_played then
		table.insert(t,'| style="'..ii_fw..bg_col..'" |'..matches..'\n')				-- Played
	end
	table.insert(t,'| style="font-weight: bold;'..bg_col..'" | '..points..'\n')			-- Points
	if full_table then
		if show_hth and hth_first then
			table.insert(t,'| style="'..ii_fw..bg_col..'" |'..(hth_local or '')..'\n')	-- Head-to-head
		end
		if show_sb and sb_first then
			table.insert(t,'| style="'..ii_fw..bg_col..'" |'..sb_score..'\n')			-- Sonneborn–Berger
		end
		if show_win then
			if wdl_iff_hth and hth_local == '&mdash;' then
				wins = '&mdash;'
			end
			table.insert(t,'| style="'..ii_fw..bg_col..'" |'..wins..'\n')				-- Won
		end
		if show_draw then
			if wdl_iff_hth and hth_local == '&mdash;' then
				draws = '&mdash;'
			end
			table.insert(t,'| style="'..ii_fw..bg_col..'" |'..draws..'\n')				-- Drew
		end
		if show_loss then
			if wdl_iff_hth and hth_local == '&mdash;' then
				losses = '&mdash;'
			end
			table.insert(t,'| style="'..ii_fw..bg_col..'" |'..losses..'\n')				-- Lost
		end
		if show_hth and not hth_first then
			table.insert(t,'| style="'..ii_fw..bg_col..'" |'..(hth_local or '')..'\n')	-- Head-to-head if not first tiebreak
		end
		if show_sb and not sb_first then
			table.insert(t,'| style="'..ii_fw..bg_col..'" |'..sb_score..'\n')			-- Sonneborn–Berger
		end
		for ecol=1,extra_cols do
			local extraii = Args['extra'..ecol..'_'..team_code_ii] or ''
			table.insert(t,'| style="'..ii_fw..bg_col..'" |'..extraii..'\n')			-- Extra
		end
	end

	return {t=t, notes_exist=notes_exist, hth_id_list=hth_id_list}
end

function pp.status(Args)
	-- Declare status options
	-- ------------------------------------------------------------
	-- NOTE: If you add to status_code, also add to status_called and status_letters!!
	-- Or functionality will be compromised
	-- ------------------------------------------------------------
	local status_code, status_called = {}
	status_code = {	A='Advance to a further round', C='Champion', D='Disqualified', 
		E='Eliminated', G='Guest', H='Host', O='Play-off winner', P='Promoted', Q='Qualified to the phase indicated',
		R='Relegated', T='Qualified, but not yet to the particular phase indicated',
		X='?', Y='?', Z='?'}
	status_called = {	A=false, C=false, D=false, E=false, G=false, H=false, O=false, P=false,
		Q=false, R=false, T=false, X=false, Y=false, Z=false}
	local status_letters = 'ACDEGHOPQRTXYZ'
	
	-- Status position (before or after read and default)
	local stat_pos_val = Args['status_pos'] or ''
	local status_position = 'after' 	-- Default location
	stat_pos_val = string.lower(stat_pos_val)
	if stat_pos_val=='before' then
		status_position = 'before'
	elseif stat_pos_val=='after' then
		status_position = 'after'
	end
	-- Read in custom status options
	for l in mw.text.gsplit(status_letters, '') do
		if Args['status_text_' .. l] then
			status_code[l] = Args['status_text_' .. l]
		end
	 end
	
	return {code=status_code, called=status_called, letters=status_letters, position=status_position}
end

return pp
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