Class: TreasureData::Command::TextParser

Inherits:
Object
  • Object
show all
Defined in:
lib/td/command/table.rb

Instance Method Summary collapse

Constructor Details

#initialize(names, regexp, time_format) ⇒ TextParser

Returns a new instance of TextParser.



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# File 'lib/td/command/table.rb', line 570

def initialize(names, regexp, time_format)
  @names = names
  @regexp = regexp
  @time_format = time_format
end

Instance Method Details

#call(file, path, &block) ⇒ Object 



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# File 'lib/td/command/table.rb', line 576

def call(file, path, &block)
  i = 0
  file.each_line {|line|
    i += 1
    begin
      line.rstrip!
      m = @regexp.match(line)
      unless m
        raise "invalid log format at #{path}:#{i}"
      end

      record = {}

      cap = m.captures
      @names.each_with_index {|name,cap_i|
        if value = cap[cap_i]
          if name == "time"
            value = parse_time(value).to_i
          end
          record[name] = value
        end
      }

      block.call(record)

    rescue
      $stderr.puts "  skipped: #{$!}: #{line.dump}"
    end
  }
end

#parse_time(value) ⇒ Object 



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# File 'lib/td/command/table.rb', line 608

def parse_time(value)
  Time.strptime(value, @time_format)
end