Class: Rmpd::Response

Inherits:
SimpleDelegator
  • Object
show all
Defined in:
lib/rmpd/response.rb

Direct Known Subclasses

MultiResponse, SingleResponse

Constant Summary collapse

KEY_VALUE_RE = 
/^([^:]+):\s*(.*)$/
KNOWN_INT_FIELDS = 
[
 "bitrate",
 "consume",
 "id",
 "nextsong",
 "nextsongid",
 "playlist",
 "playlistlength",
 "playtime",
 "pos",
 "queued",
 "random",
 "repeat",
 "single",
 "song",
 "songid",
 "songs",
 "track",
 "volume",
 "xfade",
]
KNOWN_FLOAT_FIELDS = 
[
 "elapsed",
 "mixrampdb",
]
KNOWN_COMPLEX_FIELDS = 
[
 "time",
 "audio"
]
MULTI_RESPONSE_COMMANDS = 
[
 "commands",
 "find",
 "idle",
 "list",
 "outputs",
 "playlistinfo",
 "plchanges",
 "plchangesposid",
 "search",
 "tagtypes",
]

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(parent) ⇒ Response

Returns a new instance of Response.



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# File 'lib/rmpd/response.rb', line 69

def initialize(parent)
  super
  @error = nil
end

Instance Attribute Details

#error ⇒ Object (readonly)

Returns the value of attribute error.



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# File 'lib/rmpd/response.rb', line 50

def error
  @error
end

Class Method Details

.choose_strategy(name) ⇒ Object 



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# File 'lib/rmpd/response.rb', line 53

def self.choose_strategy(name)
  if MULTI_RESPONSE_COMMANDS.include?(name.to_s)
    [Array, ResponseMultiStrategy]
  else
    [Hash, ResponseSingleStrategy]
  end
end

.factory(command_name) ⇒ Object 



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# File 'lib/rmpd/response.rb', line 61

def self.factory(command_name)
  if MULTI_RESPONSE_COMMANDS.include?(command_name.to_s)
    MultiResponse.new
  else
    SingleResponse.new
  end
end

Instance Method Details

#ack? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/rmpd/response.rb', line 87

def ack?
  !ok?
end

#marshal_dump ⇒ Object 



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# File 'lib/rmpd/response.rb', line 74

def marshal_dump
  [@delegate_sd_obj, @error]
end

#marshal_load(array) ⇒ Object 



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# File 'lib/rmpd/response.rb', line 78

def marshal_load(array)
  @delegate_sd_obj, @error = array
  each {|k, v| define_getter(k)}
end

#ok? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/rmpd/response.rb', line 83

def ok?
  @error.nil?
end

#parse(lines) ⇒ Object 



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# File 'lib/rmpd/response.rb', line 91

def parse(lines)
  lines.each do |line|
    case line
    when KEY_VALUE_RE
      register_key_val_pair($~)
    when ACK_RE
      @error = $~[0]
      break
    when OK_RE
      break
    else
      $stderr.puts "Don't know how to parse: #{line}"
    end
  end

  self
end