Ruby script to filter debug log for linux_libnfc-nci issue 80

libnfcnci-issue80-filter-debug-message

#!/usr/bin/env ruby
# encoding: utf-8

RED       = "\e[37;41;01m"
GREEN     = "\e[37;42;01m"
BLUE      = "\e[37;44;01m"
YELLOW    = "\e[30;43;01m"
NO_COLOUR = "\e[0m"

def on_the_list?(line)
  # Return
  # true: on the white list
  # false: on the black list AND not on the white list
  # nil: not on any list

  white_list = []
  white_list.push "Waiting for a Tag/Device..."
  white_list.push "Device Found"
  white_list.push "NDEF Message Received"
  white_list.push "TNF Media"
  white_list.push "Type :"
  white_list.push "Data :"
  white_list.push "bytes of NDEF data received"
  white_list.push "D2 07 05 78 79 7A 2F 31 32 33 61 62 63 64 65"
  white_list.push "Device Lost"
  white_list.push "Leaving ..."
  white_list.push "Push successful"
  white_list.push "Push Failed"

  black_list = []
  black_list.push /\AChecking response/
  black_list.push /\ANxp[a-zA-Z]+:/
  black_list.push /\ANfcAdaptation/
  black_list.push /\APN54X/
  black_list.push /\AnativeNfc/
  black_list.push /\AnfaSnep/
  black_list.push /\Awrite successful status/
  black_list.push /\AnfaConnectionCallback:/
  black_list.push /\AnfaDeviceManagementCallback:/
  black_list.push /\ANFA_TRANS_DM_RF_FIELD_EVT/
  black_list.push /\ARoutingManager::/
  black_list.push /\AnotifyPollingEventwhileNfcOff:/
  black_list.push /\AcheckforTranscation:/
  black_list.push /\AnativeNfcSnep_abortClientWaits/
  black_list.push /\AndefHandlerCallback:/
  black_list.push /\AnfaConnectionCallback:/

  white_list.each{|item|
    if String === item && line.index(item) != nil
      return true
    elsif Regexp === item && item.match(line) != nil
      return true
    end
  }

  black_list.each{|item|
    if String === item && line.index(item) != nil
      return false
    elsif Regexp === item && item.match(line) != nil
      return false
    end
  }

  return nil
end

if ARGV.size == 0
  $stdout.puts "Syntax: #{$PROGRAM_NAME} files..."
end

ARGV.each{|filename|
  content = nil
  File.open(filename, "rb"){|file|
    content = file.read()
  }
  content.each_line{|line|
    line.chomp!
    if line == ""
      next
    end

    case on_the_list?(line)
    when true
      $stdout.puts "#{RED}#{line}#{NO_COLOUR}"
    when nil
      $stdout.puts line
    when false
    end
  }
}