#!/bin/bash
  
  #################################################
  # File :    Tools.sh                            #
  # Brief :   Tool functions                      #
  # Author :  Jean-François Rey                   #
  # Version : 1.0                                 #
  # Date :    13/06/13                            #
  #################################################
  
  # Type
  ERROR=2
  WARN=1
  INFO=0
  
  # Global Verbose variable (have to be define in scripts)
  # 0 : mute
  # 1 : basic info (start,config,end)
  # 2 : add process
  # 3 : all
  VERBOSE=0
  
  # print_message( verbose_level, message)
  # - message_type : ERROR, WARN, INFO
  # - verbose_level : level to print message
  # - message : the message to print
  function print_message()
  {
      if [ $# -eq 3 ]
      then
          # print error
          if [ $1 -eq $ERROR ]; then echo -ne "###ERROR : $3
  " > 2; fi
          # check verbose level
          if [ $2 -le $VERBOSE ]
          then
              for (( dec=1 ; $dec<$2 ; dec++ )); do echo -ne "\t"; done
              # print warn
              if [ $1 = $WARN ]; then echo -ne "##WARNING : $3
  "; fi 
              # default info
              echo -ne "#INFO : $3
  " 
          fi
      fi
  }
  
  # print_error(message)
  # - message : error message to print
  function print_error()
  {
      print_message $ERROR 3 "$1"
  }
  
  # print_warn(message,[level])
  # - message : message to print
  # - level : optional option - verbose level to print
  function print_warn()
  {
      if [ $# -eq 2 ]
      then
         print_message $WARN $2 "$1"
      else
          print_message $WARN $VERBOSE "$1"
      fi
  }
  
  # print_info(message,[level])
  # - message : message to print
  # - level : optional option - verbose level to print
  function print_info()
  {
      if [ $# -eq 2 ]
      then
          print_message $INFO $2 "$1"
      else
          print_message $INFO $VERBOSE "$1"
      fi
  }