Module: Playlist::Format::Cue

Defined in:
lib/playlist/format/cue.rb

Overview

Module to parse and generate Cue Sheet file format

Class Method Summary collapse

Class Method Details

.generate(playlist) ⇒ String

Generate a Cue Sheet from a Playlist

Parameters:

Returns:

  • (String) —

    the playlist in Cue Sheet format



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# File 'lib/playlist/format/cue.rb', line 31

def generate(playlist)
  text = ''
  playlist.calculate_start_times
  text += generate_line(0, 'TITLE', playlist.title)
  text += generate_line(
    0, 'FILE', format_filename(playlist.media_location), false
  )
  playlist.tracks.each_with_index do |track, index|
    text += generate_track(track, index + 1)
  end
  text
end

.parse(input) ⇒ Playlist

Parse a Cue Sheet file into a [Playlist]

Parameters:

  • input —

    any object that responds to #each_line (either a String or a IO object)

Returns:



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# File 'lib/playlist/format/cue.rb', line 8

def parse(input)
  Playlist.new do |playlist|
    track = nil
    input.each_line do |line|
      if line =~ /^\s*REM\s/
        next
      elsif (matches = line.match(/^\s*TRACK (\d+) AUDIO/))
        track = Playlist::Track.new(
          :track_number => matches[1].to_i
        )
        playlist.add_track(track)
      elsif !track.nil?
        parse_track_line(track, line.strip)
      else
        parse_playlist_line(playlist, line.strip)
      end
    end
  end
end