Документация
local p = {}
function chessboard(args, size, rows, cols, rev, trans, lightdark, altprefix, letters, numbers, header, footer, align, clear)
function colchar( col )
return (col <= 26) and ( "abcdefghijklmnopqrstuvwxyz" ):sub( col, col )
or ( "abcdefghijklmnopqrstuvwxyz" ):sub( math.floor((col-1)/26), math.floor((col-1)/26) )
.. ( "abcdefghijklmnopqrstuvwxyz" ):sub( col-math.floor((col-1)/26)*26, col-math.floor((col-1)/26)*26)
end
function image_square( pc, row, col, size, t, flip, altprefix )
local colornames = { l = 'белые', d = 'чёрные', u = 'неизвестный цвет' }
local piecenames = {
p = 'пешка',
r = 'ладья',
n = 'конь',
b = 'слон',
q = 'ферзь',
k = 'король',
a = 'архиепископ',
c = 'канцлер',
z = 'чемпион',
w = 'мастер',
t = 'дурак',
h = 'перевёрнутая пешка',
m = 'перевёрнутая ладья',
s = 'перевёрнутый конь',
f = 'перевёрнутый король',
e = 'перевёрнутый слон',
g = 'перевёрнутый ферзь',
G = 'жираф',
U = 'единорог',
Z = 'зебра'
}
local symnames = {
xx = 'чёрный крест',
ox = 'белый крест',
xo = 'чёрный круг',
oo = 'белый круг',
ul = 'стрелка вверх-влево',
ua = 'стрелка вверх',
ur = 'стрелка вверх-вправо',
la = 'стрелка влево',
ra = 'стрелка вправо',
dl = 'стрелка вниз-влево',
da = 'стрелка вниз',
dr = 'стрелка вниз-вправо',
lr = 'стрелка влево-вправо',
ud = 'стрелка вверх-вниз',
db = 'стрелки вверх-вправо и вниз-влево',
dw = 'стрелки вверх-влево и вниз-вправо',
x0 = 'ноль',
x1 = 'один',
x2 = 'два',
x3 = 'три',
x4 = 'четыре',
x5 = 'пять',
x6 = 'шесть',
x7 = 'семь',
x8 = 'восемь',
x9 = 'девять',
}
local color = mw.ustring.gsub( pc, '^.*(%w)(%w).*$', '%2' ) or ''
local piece = mw.ustring.gsub( pc, '^.*(%w)(%w).*$', '%1' ) or ''
local alt = altprefix .. colchar( col ) .. row .. ' '
if ( colornames[color] and piecenames[piece] ) then
alt = alt .. colornames[color] .. ' ' .. piecenames[piece]
else
alt = alt .. ( symnames[piece .. color] or piece .. ' ' .. color )
end
local ld = t and 't' or ((((row + col + flip) % 2) == 0) and 'd' or 'l')
return string.format( '[[File:Chess %s%s%s45.svg|%dx%dpx|alt=%s|%s]]', piece, color, ld, size, size, alt, alt )
end
function letters_row( rev, num_lt, num_rt, cols )
local res = '<tr style="vertical-align:middle">' .. ( num_lt and '<td style="padding:0; vertical-align:inherit"></td>' or '' ) .. '<td style="padding:0; vertical-align:inherit; height:18px">'
for k = 1, cols do
res = res .. colchar(rev and (cols - k + 1) or k) .. '</td><td style="padding:0; vertical-align:inherit">'
end
res = res .. '</td>' .. ( num_lt and '<td style="padding:0; vertical-align:inherit"></td>' or '' ) .. '</tr>'
return res
end
local letters_tp = letters:match('both') or letters:match('top')
local letters_bt = letters:match('both') or letters:match('bottom')
local numbers_lt = numbers:match('both') or numbers:match('left')
local numbers_rt = numbers:match('both') or numbers:match('right')
local width = cols * size + 2
local flip = lightdark and 1 or 0
if ( numbers_lt ) then width = width + 18 end
if ( numbers_rt ) then width = width + 18 end
local b = ''
local caption = ''
if ( letters_tp ) then b = b .. letters_row(rev, numbers_lt, numbers_rt, cols) .. '\n' end
for trow = 1,rows do
local row = rev and trow or (rows - trow + 1)
b = b .. '<tr style="vertical-align:middle">'
if ( numbers_lt ) then b = b .. '<td style="padding:0; vertical-align:inherit; width:18px">' .. row .. '</td>' end
for tcol = 1,cols do
local col = rev and (cols - tcol + 1) or tcol
local idx = cols*(rows - row) + col + 2
if (args[idx] == nil) then args[idx] = ' ' end
local img = image_square(args[idx]:match('%w%w') or '', row, col, size, trans, flip, altprefix )
local bg = (((trow + tcol + flip) % 2) == 0) and '#ffce9e' or '#d18b47'
b = b .. '<td style="padding:0; vertical-align:inherit; background-color: ' .. bg .. ';">' .. img .. '</td>'
end
if ( numbers_rt ) then b = b .. '<td style="padding:0; vertical-align:inherit; width:18px">' .. row .. '</td>' end
end
if ( letters_bt ) then b = b .. letters_row(rev, numbers_lt, numbers_rt, cols) .. '\n' end
if footer:match('^%s*$')
then
else
caption = '<div class="thumbcaption">' .. footer .. '</div>\n'
end
b = '<table cellpadding=0 cellspacing=0 style="line-height: 0; background:white; font-size:88%; border:1px #b0b0b0 solid;'
.. 'padding:0; margin:auto">\n' .. b .. '\n</table>'
if noframe then
return b
else
return '<div class="thumb ' .. align .. '" style="clear:' .. clear .. '; text-align:center;">'
.. header .. '\n<div class="thumbinner" style="width:' .. width .. 'px;">\n'
.. b .. '\n' .. caption .. '</div></div>'
end
end
function convertFenToArgs( fen )
-- converts FEN notation to an array of positions, offset by 2
local res = {' ', ' '}
-- Loop over rows, which are delimited by /
for srow in string.gmatch("/" .. fen, "/%w+") do
-- Loop over all letters and numbers in the row
for piece in srow:gmatch( "%w" ) do
if (piece:match("%d")) then
-- if a digit
for k=1,piece do
table.insert(res,' ')
end
else
-- not a digit
local color = piece:match( '%u' ) and 'l' or 'd'
piece = piece:lower()
table.insert(res, piece .. color )
end
end
end
return res
end
function p.board(frame)
local args = frame.args
local pargs = frame:getParent().args
local size = (args.size or pargs.size) or '26'
local reverse = (args.reverse or pargs.reverse or '' ):lower() == "true"
local trans = (args.transparent or pargs.transparent or '' ):lower() == "true"
local lightdark = (args.lightdark or pargs.lightdark or '' ):lower() == "swap"
local altprefix = args.altprefix or pargs.altprefix or ''
local rows = args.rows or pargs.rows or 8
local cols = args.cols or pargs.cols or 8
local letters = ( args.letters or pargs.letters or 'both' ):lower()
local numbers = ( args.numbers or pargs.numbers or 'both' ):lower()
local header = mw.ustring.gsub( args[2] or pargs[2] or '', '^%s*(.-)%s*$', '%1' )
local footer = args[3 + rows*cols] or pargs[3 + rows*cols] or ''
local align = ( args[1] or pargs[1] or 'tright' ):lower()
local clear = ( args.clear or pargs.clear ) or ( align:match('tright') and 'right' or 'none' )
local noframe = (args.noframe or pargs.noframe or ''):lower() == "true"
local fen = args.fen or pargs.fen
size = mw.ustring.match(size, '[%d]+') or '26' -- remove px from size
if (fen) then
align = ( args.align or pargs.align or 'tright' ):lower()
clear = ( args.clear or pargs.clear ) or ( align:match('tright') and 'right' or 'none' )
header = args.header or pargs.header or ''
footer = args.footer or pargs.footer or ''
return chessboard(convertFenToArgs( fen ), size, rows, cols, reverse, trans, lightdark, altprefix, letters, numbers, header, footer, align, clear, noframe)
end
if args[3] then
return chessboard(args, size, rows, cols, reverse, trans, lightdark, altprefix, letters, numbers, header, footer, align, clear, noframe)
else
return chessboard(pargs, size, rows, cols, reverse, trans, lightdark, altprefix, letters, numbers, header, footer, align, clear, noframe)
end
end
return p