command.rb: More elaborate error messages for the %%GAME command.

[shogi-server/shogi-server.git] / shogi_server / board.rb

diff --git a/shogi_server/board.rb b/shogi_server/board.rb
index d7f9466..c006176 100644 (file)
--- a/shogi_server/board.rb
+++ b/shogi_server/board.rb
@@ -25,23 +25,65 @@ class WrongMoves < ArgumentError; end
 
 class Board
   
+  # Initial board setup. 
+  # The string ends with '+', not a line break.
+  #
+  INITIAL_HIRATE_POSITION = (<<-EOF).chomp
+P1-KY-KE-GI-KI-OU-KI-GI-KE-KY
+P2 * -HI *  *  *  *  * -KA * 
+P3-FU-FU-FU-FU-FU-FU-FU-FU-FU
+P4 *  *  *  *  *  *  *  *  * 
+P5 *  *  *  *  *  *  *  *  * 
+P6 *  *  *  *  *  *  *  *  * 
+P7+FU+FU+FU+FU+FU+FU+FU+FU+FU
+P8 * +KA *  *  *  *  * +HI * 
+P9+KY+KE+GI+KI+OU+KI+GI+KE+KY
++
+EOF
+
   # Split a moves line into an array of a move string.
   # If it fails to parse the moves, it raises WrongMoves.
-  # @param moves a moves line. Ex. "+776FU-3334Fu"
-  # @return an array of a move string. Ex. ["+7776FU", "-3334FU"]
+  # @param moves a moves line. Ex. "+776FU-3334FU" or
+  #              moves with times. Ex "+776FU,T2-3334FU,T5"
+  # @return an array of a move string. Ex. ["+7776FU", "-3334FU"] or
+  #         an array of arrays. Ex. [["+7776FU","T2"], ["-3334FU", "T5"]]
   #
   def Board.split_moves(moves)
     ret = []
 
-    rs = moves.gsub %r{[\+\-]\d{4}\w{2}} do |s|
-           ret << s
-           ""
-         end
-    raise WrongMoves, rs unless rs.empty?
+    i=0
+    tmp = ""
+    while i<moves.size
+      if moves[i,1] == "+" ||
+         moves[i,1] == "-" ||
+         i == moves.size - 1
+        if i == moves.size - 1
+          tmp << moves[i,1]
+        end
+        unless tmp.empty?
+          a = tmp.split(",")
+          if a[0].size != 7
+            raise WrongMoves, a[0]
+          end
+          if a.size == 1 # "+7776FU"
+            ret << a[0]
+          else           # "+7776FU,T2"
+            unless /^T\d+/ =~ a[1] 
+              raise WrongMoves, a[1]
+            end
+            ret << a
+          end
+          tmp = ""
+        end
+      end
+      tmp << moves[i,1]
+      i += 1
+    end
 
     return ret
   end
 
+
   def initialize(move_count=0)
     @sente_hands = Array::new
     @gote_hands  = Array::new
@@ -213,14 +255,21 @@ class Board
 
   # Set up a board starting with a position after the moves.
   # Failing to parse the moves raises an ArgumentError.
-  # @param moves an array of moves. ex. ["+7776FU", "-3334FU"]
+  # @param moves an array of moves. ex. ["+7776FU", "-3334FU"] or
+  #        an array of arrays. ex. [["+7776FU","T2"], ["-3334FU","T5"]]
   #
   def set_from_moves(moves)
     initial()
     return :normal if moves.empty?
     rt = nil
     moves.each do |move|
-      rt = handle_one_move(move, @teban)
+      rt = nil
+      case move
+      when Array
+        rt = handle_one_move(move[0], @teban)
+      when String
+        rt = handle_one_move(move, @teban)
+      end
       raise ArgumentError, "bad moves: #{moves}" unless rt == :normal
     end
     @initial_moves = moves.dup
@@ -658,6 +707,8 @@ class Board
     return :normal
   end
 
+  # Return a CSA-styled string notation of the current position.
+  #
   def to_s
     a = Array::new
     y = 1
@@ -694,6 +745,14 @@ class Board
     a.push("%s\n" % [@teban ? "+" : "-"])
     return a.join
   end
+
+  # Return a CSA-styled string notation of the initial position.
+  #
+  def initial_string
+    tmp_board = self.class.new
+    tmp_board.initial
+    return tmp_board.to_s
+  end
 end
 
 end # ShogiServer