adding quickfix library

quickfix/_test/FixParser.rb

@@ -0,0 +1,53 @@
+#****************************************************************************
+# Copyright (c) quickfixengine.org  All rights reserved.
+#
+# This file is part of the QuickFIX FIX Engine
+#
+# This file may be distributed under the terms of the quickfixengine.org
+# license as defined by quickfixengine.org and appearing in the file
+# LICENSE included in the packaging of this file.
+#
+# This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
+# WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
+#
+# See http://www.quickfixengine.org/LICENSE for licensing information.
+#
+# Contact ask@quickfixengine.org if any conditions of this licensing are
+# not clear to you.
+#****************************************************************************
+
+require "socket"
+
+class FixParser
+
+  def initialize(io)
+    @io = io
+  end
+
+  def readFixMessage()
+    if(@io.eof?)
+      raise "Was disconnected, expected data"
+    end
+
+    m = ""
+    # read to begining of MsgLen field
+    m = @io.gets("\0019=")
+    # read contents of MsgLen field
+    length = @io.gets("\001")
+    m += length
+    length.chop!
+    
+    # regex checks to make sure length is an integer
+    # if it isn't there is nothing we can do so
+    # close the connection
+    if( (/^\d*$/ === length) == nil )
+      @io.close
+    end
+    # read body
+    m += @io.read(Integer(length))
+    # read CheckSum
+    m += @io.gets("\001")
+    return m
+  end    
+
+end