Class: ScripTTY::Apps::TranscriptParseApp

Inherits:
Object
  • Object
show all
Defined in:
lib/scriptty/apps/transcript_parse_app.rb

Instance Method Summary collapse

Constructor Details

#initialize(argv) ⇒ TranscriptParseApp

Returns a new instance of TranscriptParseApp.



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# File 'lib/scriptty/apps/transcript_parse_app.rb', line 27

def initialize(argv)
  @options = parse_options(argv)
end

Instance Method Details

#main ⇒ Object 



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# File 'lib/scriptty/apps/transcript_parse_app.rb', line 31

def main
  File.open(@options[:output], "w") do |output_file|
    @writer = ScripTTY::Util::Transcript::Writer.new(output_file)
    @options[:input_files].each do |input_filename|
      File.open(input_filename, "rb") do |input_file|
        reader = ScripTTY::Util::Transcript::Reader.new
        @last_printable = nil
        parser_class = ScripTTY::Term.class_by_name(@options[:term]).parser_class

        # Set up server-side FSM
        @server_parser = parser_class.new :callback => Proc.new { |event_name, fsm|
          if event_name == :t_printable
            # Merge printable character sequences together, rather than writing individual "t_printable" events.
            @last_server_printable ||= ""
            @last_server_printable += fsm.input_sequence.join
          else
            flush_server_printable
            @writer.server_parsed(event_name, fsm.input_sequence.join)
          end
        }
        @server_parser.on_unknown_sequence { |seq| @writer.server_parsed("?", seq) }

        # Set up client-side FSM
        if @options[:client]
          @client_parser = parser_class.new :client => true, :callback => Proc.new { |event_name, fsm|
            if event_name == :t_printable
              # Merge printable character sequences together, rather than writing individual "t_printable" events.
              @last_client_printable ||= ""
              @last_client_printable += fsm.input_sequence.join
            else
              flush_client_printable
              @writer.client_parsed(event_name, fsm.input_sequence.join)
            end
          }
          @client_parser.on_unknown_sequence { |seq| @writer.client_parsed("?", seq) }
        end

        until input_file.eof?
          timestamp, type, args = reader.parse_line(input_file.readline)
          @writer.override_timestamp = timestamp
          if type == :from_server
            @writer.send(type, *args) if @options[:keep]
            bytes = args[0]
            @server_parser.feed_bytes(bytes)
          elsif type == :from_client and @client_parser
            @writer.send(type, *args) if @options[:keep]
            bytes = args[0]
            @client_parser.feed_bytes(bytes)
          else
            @writer.send(type, *args)
          end
        end
        flush_server_printable
        flush_client_printable if @client_parser
      end
    end
    @writer.close
  end
end