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Vizi::LogFormat

This class handles the parsing of each line in the log file

Constants

DIRECTIVES

add more format directives here..

Attributes

format[R]
format_regex[R]
format_symbols[R]
name[R]

Public Class Methods

new(name, format) click to toggle source 
# File lib/vizi/vizi_tracker.rb, line 43
def initialize(name, format)

  @name, @format = name, format

  parse_format(format)

end

Public Instance Methods

parse_format(format) click to toggle source

The symbols are used to map the log to the env variables The regex is used when checking what format the log is and to extract data

# File lib/vizi/vizi_tracker.rb, line 50
def parse_format(format)

  format_directive = /%(.*?)(\{.*?\})?([#{[DIRECTIVES.keys.join('|')]}])([\s\\"]*)/

  log_format_symbols = []

  format_regex = ""

  format.scan(format_directive) do |condition, subdirective, directive_char, ignored|

    log_format, match_regex = process_directive(directive_char, subdirective, condition)

    ignored.gsub!(/\s/, '\s') unless ignored.nil?

    log_format_symbols << log_format

    format_regex << "(#{match_regex})#{ignored}"

  end

  @format_symbols = log_format_symbols

  @format_regex = /^#{format_regex}/

end
process_directive(directive_char, subdirective, condition) click to toggle source 
# File lib/vizi/vizi_tracker.rb, line 64
def process_directive(directive_char, subdirective, condition)

  directive = DIRECTIVES[directive_char]

  case directive_char

    when 'i'

      log_format = subdirective[1...-1].downcase.tr('-', '_').to_sym

      [log_format, directive[1].source]

    else

      [directive[0], directive[1].source]

  end

end

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