imported>Pppery: Pppery moved page Module:Chess games to Module:Chess from pgn without leaving a redirect: Make module name match template name

2019-04-28T21:13:13Z

Pppery moved page Module:Chess games to Module:Chess from pgn without leaving a redirect: Make module name match template name

New page

pgn = require('module:pgn')

local function moveToIndex(move)
if not move:match('^%d+[dl]$') then return -1 end -- not a move
local num, color = move:match('(%d+)([dl])')
return num * 2 + (color == 'd' and 1 or 0)
end

local function indexToMove(index)
return string.format('%d%s', math.floor( index / 2), index % 2 == 0 and 'l' or 'd')
end

function display_game(frame)
local args = frame:getParent().args
for k, v in pairs(frame.args) do args[k] = v end
local game = args['pgn']
if not game then error('must have "pgn" parameter') end

local moves = pgn.pgn2fen(game)
local template = args['template']
if not template then error('must have "template" parameter') end
local tmTable = {}

local hydrate = function(index, comment)
local temp = template:gsub('%$fen%$', moves[index])
temp = temp:gsub('%$comment%$', comment)
temp = temp:gsub('%$move%$', indexToMove(index))
table.insert(tmTable, { index, temp } )
end
template = mw.text.unstripNoWiki( template )
for arg, val in pairs(args) do -- collect boards of the form "12l = comment"
local index = moveToIndex(arg)
if index >= 0 then hydrate(index, val) end
end

for arg, val in pairs(args) do -- collect boards of the form "| from1 = 7d | to1 = 8l | comments1 = { "comment", "comment" }
if arg:match('^from%d+$') then
local hunk = arg:match(('^from(%d+)$'))
toMove = args['to' .. hunk]
if not toMove then error (string.format('parameter %s exists, but no parameter to%s', arg, hunk)) end
local fromIndex = moveToIndex(val)
if fromIndex < 0 then error(string.format('malformed value for parameter %s', arg)) end
local toIndex = moveToIndex(toMove)
if toIndex < 0 then error(string.format('malformed value for parameter to%s', hunk)) end
local comments = {}
local commentsVal = args['comments' .. hunk] or ''
for comment in commentsVal:gmatch('{([^}]*)}') do table.insert(comments, comment) end
for index = fromIndex, toIndex do hydrate(index, table.remove(comments, 1) or '') end
end
end
table.sort(tmTable, function(a, b) return a[1] < b[1] end)
local res = ''
for _, item in ipairs(tmTable) do res = res .. frame:preprocess(item[2]) end
return res
end

return {
['display game'] = display_game
}

Module:Chess from pgn - Revision history

imported>Pppery: Pppery moved page Module:Chess games to Module:Chess from pgn without leaving a redirect: Make module name match template name