class LogFormat

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/log2counter/vendor/log_parser.rb, line 54
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/log2counter/vendor/log_parser.rb, line 61
def parse_format(format)
  format_directive = /%(.*?)(\{.*?\})?([#{[DIRECTIVES.keys.join('|')]}])([\s\"]*)/

  log_format_symbols = []
  format_regex       = ''

  format.scan(format_directive) { |condition, subdirective, directive_char, ignored|
    log_format, match_regex = process_directive(directive_char, subdirective, condition)

    ignored.gsub!(/\s/, '\s') if ignored

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

  @format_symbols = log_format_symbols
  @format_regex   = /\A#{format_regex}/
end
process_directive(directive_char, subdirective, condition) click to toggle source 
# File lib/log2counter/vendor/log_parser.rb, line 80
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