forester/ruby/evoruby/lib/evo/soft/fastme.rb

   1 #
   2 # = lib/soft/fastme - FastMe class
   3 #
   4 # Copyright::  Copyright (C) 2009 Christian M. Zmasek
   5 # License::    GNU Lesser General Public License (LGPL)
   6 #
   7 # $Id: fastme.rb,v 1.3 2009/10/08 22:44:54 cmzmasek Exp $
   8 #
   9 # last modified: 2009/10/06
  10
  11 require 'lib/evo/soft/resource_locations'
  12 require 'lib/evo/util/util'
  13
  14 module Evoruby
  15
  16     class FastMe
  17
  18         VERBOSE = false
  19
  20         OUTTREE      = 'output.tre'
  21         OUTPUT_D     = 'output.d'
  22         VERSION      = '2.0'
  23
  24         def initialize
  25             @fast_me_home = Util.get_env_variable_value( ResourceLocations::FASTME_HOME_ENV_VARIABLE )
  26             Util.check_file_for_readability( @fast_me_home )
  27         end
  28
  29         def run( pwd_file, bootstrap_number, initial_tree )
  30             Util.check_file_for_readability( pwd_file )
  31             if bootstrap_number == nil || bootstrap_number < 0
  32                 error_msg = "illegal bootstrap number: " + bootstrap_number
  33                 raise ArgumentError, error_msg
  34             end
  35             init_tree_option = determine_initial_tree( initial_tree )
  36             input = String.new()
  37             if bootstrap_number > 1
  38                 input = "-b #{init_tree_option} -i #{pwd_file} -n #{bootstrap_number} -s b"
  39             else
  40                 input = "-b #{init_tree_option} -i #{pwd_file} -s b"
  41             end
  42             if VERBOSE
  43                 puts @fast_me_home + " " + input
  44             end
  45             IO.popen( @fast_me_home + " " + input, 'r+' ) do |io|
  46                 io.close_write
  47                 return io.read
  48             end
  49         end
  50
  51         private
  52
  53         def determine_initial_tree( initial_tree )
  54             opt = nil
  55             if ( initial_tree == :BME )
  56                 opt = "BME"
  57             elsif ( initial_tree == :GME )
  58                 opt = "GME"
  59             elsif ( initial_tree == :NJ )
  60                 opt = "NJ"
  61             else
  62                 error_msg = "unknown initial tree"
  63                 raise ArgumentError, error_msg
  64             end
  65             return opt
  66         end
  67
  68     end # class FastMe
  69
  70 end # module Evoruby