add Board class

1 files changed, 59 insertions, 0 deletions

diff --git a/lib/evendoors/board.rb b/lib/evendoors/board.rb
new file mode 100644
index 0000000..e8c5053
--- /dev/null
+++ b/lib/evendoors/board.rb
@@ -0,0 +1,59 @@
+#! /usr/bin/env ruby
+# -*- coding: UTF-8 -*-
+
+#
+module EvenDoors
+    #
+    class Board < Spot
+        #
+        def initialize n, p=nil
+            super n, p
+            @saved = nil
+            @spots = {}
+            @parent.add_spot self if @parent
+        end
+        #
+        def require_p p_kls
+            p = EvenDoors::Twirl.require_p p_kls
+            p.src = self
+            p
+        end
+        #
+        def release_p p
+            @saved=nil if @saved==p     # particle is released, all is good
+            EvenDoors::Twirl.release_p p
+        end
+        #
+        def process_p p
+            @viewer.receive_p p if @viewer
+            p2 = @spots[p.link_value] ||= p
+            return if p2==p
+            p,p2 = p2,p if p.action==EvenDoors::ACT_FOLLOW
+            p.merge! p2
+            @saved = p
+            receive_p p
+            if not @saved.nil?
+                puts "#{path} didn't give that particle back #{p}" if EvenDoors::Twirl.debug
+                puts "\t#{p.data EvenDoors::ERROR_FIELD}" if p.action==EvenDoors::ACT_ERROR
+                release_p @saved
+                @saved = nil
+            end
+        end
+        #
+        def send_p p
+            p.src = self
+            @saved=nil if @saved==p # particle is sent back the data, all is good
+            @parent.send_p p        # daddy will know what to do
+        end
+        #
+        def send_sys_p p
+            p.src = self
+            @saved=nil if @saved==p # particle is sent back the data, all is good
+            @parent.send_sys_p p    # daddy will know what to do
+        end
+        #
+    end
+    #
+end
+#
+# EOF