#!/usr/bin/ruby
## error_parser.rb
## Login : <mandor@ithaqua>
## Started on  Fri Apr  4 12:28:15 2008 mandor
## $Id$
## 
## Copyright (C) 2008 mandor



#| This file is a part of the sferes2 framework.
#| Copyright 2009, ISIR / Universite Pierre et Marie Curie (UPMC)
#| Main contributor(s): Jean-Baptiste Mouret, mouret@isir.fr
#|
#| This software is a computer program whose purpose is to facilitate
#| experiments in evolutionary computation and evolutionary robotics.
#| 
#| This software is governed by the CeCILL license under French law
#| and abiding by the rules of distribution of free software.  You
#| can use, modify and/ or redistribute the software under the terms
#| of the CeCILL license as circulated by CEA, CNRS and INRIA at the
#| following URL "http://www.cecill.info".
#| 
#| As a counterpart to the access to the source code and rights to
#| copy, modify and redistribute granted by the license, users are
#| provided only with a limited warranty and the software's author,
#| the holder of the economic rights, and the successive licensors
#| have only limited liability.
#|
#| In this respect, the user's attention is drawn to the risks
#| associated with loading, using, modifying and/or developing or
#| reproducing the software by the user in light of its specific
#| status of free software, that may mean that it is complicated to
#| manipulate, and that also therefore means that it is reserved for
#| developers and experienced professionals having in-depth computer
#| knowledge. Users are therefore encouraged to load and test the
#| software's suitability as regards their requirements in conditions
#| enabling the security of their systems and/or data to be ensured
#| and, more generally, to use and operate it in the same conditions
#| as regards security.
#|
#| The fact that you are presently reading this means that you have
#| had knowledge of the CeCILL license and that you accept its terms.



def parse(line, level)
  stack = [""]
  if !line.include?("instantiated") and (line.include?("error") || line.include?("erreur")) then
    line.scan(/./) { |c|
      if c == '<' then
        print "#{stack[0]}<" if stack.length < level + 2 
        stack[0] = ""
        stack.unshift("")
      elsif c == '>' then
        print stack[0] if stack.length < level + 2 
        stack.shift()
        print ">"
      else     
        stack[0] += c if stack[0]
      end      
    }
    print stack[0] if stack[0]
    print "\n"

  end
end

level = ARGV[0].to_i
while $stdin.gets do
  parse($_, level)
end
