Class: FastForward::Option

Inherits:
Object
  • Object
show all
Defined in:
lib/fastforward/option.rb

Instance Method Summary collapse

Constructor Details

#initialize(name, value, opts = {}) ⇒ Option

Returns a new instance of Option.



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# File 'lib/fastforward/option.rb', line 3

def initialize(name, value, opts={})
  @name, @value, @opts = name, value, defaults.merge(opts)
  @stream_type  = nil
  @stream_index = nil
end

Instance Method Details

#defaults ⇒ Object 



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# File 'lib/fastforward/option.rb', line 15

def defaults
  { :stream_specifier_allowed => true }
end

#name ⇒ Object 



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# File 'lib/fastforward/option.rb', line 19

def name
  "-%s%s" % [ @name, stream_specifier ]
end

#stream(type, index = nil) ⇒ Object 



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# File 'lib/fastforward/option.rb', line 9

def stream(type, index=nil)
  @stream_type  = type
  @stream_index = index
  self # For chaining
end

#stream_specifier ⇒ Object 



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# File 'lib/fastforward/option.rb', line 27

def stream_specifier
  stream_type = case @stream_type
  when "audio" then ":a"
  when "video" then ":v"
  else
    ""
  end

  stream_type + ( @stream_index ? ":#{@stream_index}" : "" )
end

#to_s ⇒ Object 



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# File 'lib/fastforward/option.rb', line 38

def to_s
  "%s %s" % [ name, value]
end

#value ⇒ Object 



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# File 'lib/fastforward/option.rb', line 23

def value
  @value
end