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#!/usr/bin/env ruby
class Square
@@count = 1
def initialize( holds_letter = false )
@holds_letter = holds_letter
@edge = false
end
attr_reader :holds_letter
attr_accessor :edge
def render( row, top, left, right, bottom )
if @holds_letter
number = ""
if (top.nil? or not top.holds_letter) and
(bottom and bottom.holds_letter)
number = @@count.to_s
@@count += 1
elsif (left.nil? or not left.holds_letter) and
(right and right.holds_letter)
number = @@count.to_s
@@count += 1
end
if top.nil? and left.nil?
row[0] << "######"
row[1] << sprintf("#%-4s#", number)
row[2] << "# #"
row[3] << "######"
elsif top.nil?
row[0] << "#####"
row[1] << sprintf("%-4s#", number)
row[2] << " #"
row[3] << "#####"
elsif left.nil?
row[1] << sprintf("#%-4s#", number)
row[2] << "# #"
row[3] << "######"
else
row[1] << sprintf("%-4s#", number)
row[2] << " #"
row[3] << "#####"
end
else
if @edge
if top.nil? and left.nil?
row[0] << " "
row[1] << " "
row[2] << " "
row[3] << " "
elsif top.nil?
row[0] << " "
row[1] << " "
row[2] << " "
row[3] << " "
elsif left.nil?
row[1] << " "
row[2] << " "
row[3] << " "
else
row[1] << " "
row[2] << " "
row[3] << " "
end
if right and not right.edge
row.each { |e| e.sub!(/ $/, "#") }
end
if left and not left.edge
row.each { |e| e.sub!(/ (.{5})$/, '#\1') }
end
if top and not top.edge
row[0].sub!(/ +(#?)$/) do |m|
"#" * (m.length - $1.length) + $1
end
end
if bottom and not bottom.edge
row[3].sub!(/ +(#?)$/) do |m|
"#" * (m.length - $1.length) + $1
end
end
else
if top.nil? and left.nil?
row[0] << "######"
row[1] << "######"
row[2] << "######"
row[3] << "######"
elsif top.nil?
row[0] << "#####"
row[1] << "#####"
row[2] << "#####"
row[3] << "#####"
elsif left.nil?
row[1] << "######"
row[2] << "######"
row[3] << "######"
else
row[1] << "#####"
row[2] << "#####"
row[3] << "#####"
end
end
end
end
end
board = [ ]
while line = ARGF.gets
board << [ ]
line.chomp.delete(" ").each_byte do |c|
if c == ?X
board[-1] << Square.new
else
board[-1] << Square.new(true)
end
end
end
loop do
changed = false
board.each_with_index do |row, y|
row.each_with_index do |cell, x|
next if cell.holds_letter or cell.edge
if x == 0 or y == 0 or x == board[0].size - 1 or y == board.size - 1
cell.edge = true
changed = true
next
end
top = board[y - 1][x]
left = board[y][x - 1]
right = board[y][x + 1]
bottom = board[y + 1][x]
if (top and top.edge) or (left and left.edge) or
(right and right.edge) or (bottom and bottom.edge)
cell.edge = true
changed = true
end
end
end
break if not changed
end
board.each_with_index do |row, y|
drawn_row = ["", "", "", ""]
row.each_with_index do |cell, x|
top = y == 0 ? nil : board[y - 1][x]
left = x == 0 ? nil : board[y][x - 1]
right = x == board[0].size - 1 ? nil : board[y][x + 1]
bottom = y == board.size - 1 ? nil : board[y + 1][x]
cell.render drawn_row, top, left, right, bottom
end
drawn_row.each { |e| puts e if e.length > 0 }
end
