Class: SRT::Parser

Inherits:
Object
  • Object
show all
Defined in:
lib/srt/parser.rb

Class Method Summary collapse

Class Method Details

.framerate(framerate_string) ⇒ Object 



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# File 'lib/srt/parser.rb', line 4

def framerate(framerate_string)
  mres = framerate_string.match(/(?<fps>\d+((\.)?\d+))(fps)/)
  mres ? mres["fps"].to_f : nil
end

.id(id_string) ⇒ Object 



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# File 'lib/srt/parser.rb', line 9

def id(id_string)
  mres = id_string.match(/#(?<id>\d+)/)
    mres ? mres["id"].to_i : nil
end

.timecode(timecode_string) ⇒ Object 



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# File 'lib/srt/parser.rb', line 14

def timecode(timecode_string)
  mres = timecode_string.match(/(?<h>\d+):(?<m>\d+):(?<s>\d+),(?<ms>\d+)/)
  mres ? "#{mres["h"].to_i * 3600 + mres["m"].to_i * 60 + mres["s"].to_i}.#{mres["ms"]}".to_f : nil
end

.timespan(timespan_string) ⇒ Object 



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# File 'lib/srt/parser.rb', line 19

def timespan(timespan_string)
  factors = {
    "ms" => 0.001,
    "s" => 1,
    "m" => 60,
    "h" => 3600
  }
  mres = timespan_string.match(/(?<amount>(\+|-)?\d+((\.)?\d+)?)(?<unit>ms|s|m|h)/)
  mres ? mres["amount"].to_f * factors[mres["unit"]] : nil
end