lib/graphviz/dot2ruby.rb in ruby-graphviz-1.0.7 vs lib/graphviz/dot2ruby.rb in ruby-graphviz-1.0.8

@@ -1,47 +1,47 @@
 #!/usr/bin/env ruby
 # Copyright (C) 2010 Gregoire Lejeune <[e-mail]>
-# 
+#
 # This program is free software; you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
 # the Free Software Foundation; either version 2 of the License, or
 # (at your option) any later version.
-# 
+#
 # This program is distributed in the hope that it will be useful,
 # but WITHOUT ANY WARRANTY; without even the implied warranty of
 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 # GNU General Public License for more details.
-# 
+#
 # You should have received a copy of the GNU General Public License
 # along with this program; if not, write to the Free Software
 # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307  USA
 
 require 'graphviz/ext'
 require 'graphviz/utils'
 
 class Dot2Ruby #:nodoc:
   include GVUtils
-  
+
   def initialize( xGVPath, xOutFile, xOutFormat = nil ) #:nodoc:
     paths = (xGVPath.nil?) ? [] : [xGVPath]
     @xGvprPath = find_executable( 'gvpr', paths )
     @xOutFile = xOutFile
     @xOutFormat = xOutFormat || "_"
     @gvprScript = GraphViz::Ext.find( "dot2ruby.g" )
   end
-  
+
   def run( xFile ) #:nodoc:
     xCmd = "#{@xGvprPath} -f #{@gvprScript} -a #{@xOutFormat} #{xFile}"
     xOutput = output_from_command( xCmd )
     if @xOutFile.nil?
       puts xOutput
     else
       File.open( @xOutFile, "w" ) do |io|
         io.print xOutput
       end
-    end 
+    end
   end
-  
+
   def eval( xFile ) #:nodoc:
     xCmd = "#{@xGvprPath} -f #{@gvprScript} -a \"-\" #{xFile}"
     xOutput = output_from_command( xCmd )
     instance_eval(xOutput)
     return @_graph_eval