Class: Rserve::REXP::String

Inherits:
Vector show all
Defined in:
lib/rserve/rexp/string.rb

Constant Summary collapse

NA = 
["NA", "\xFF"]

Constants inherited from Rserve::REXP

MaxDebugItems, MismatchError

Instance Attribute Summary collapse

Attributes inherited from Rserve::REXP

#attr

Instance Method Summary collapse

Methods inherited from Vector

#==, #to_a, #to_ruby_internal, #vector?

Methods inherited from Rserve::REXP

#as_bytes, #as_double, #as_double_matrix, #as_doubles, #as_factor, #as_float, #as_floats, #as_integer, #as_integers, #as_list, #as_matrix, #as_nested_array, #as_string, #complex?, create_data_frame, #dim, #environment?, #expression?, #factor?, #get_attribute, #has_attribute?, #inherits?, #integer?, #language?, #list?, #logical?, #null?, #numeric?, #pair_list?, #raw?, #recursive?, #reference?, #split_array, #symbol?, #to_f, #to_i, #to_ruby, #to_ruby_internal, #vector?

Constructor Details

#initialize(data, attrs = nil) ⇒ String

Returns a new instance of String.



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# File 'lib/rserve/rexp/string.rb', line 6

def initialize(data, attrs=nil)
  @payload=case data
  when Array
    data.map {|v| v.to_s}
  else
    [data.to_s]
  end
  super(attrs)
end

Instance Attribute Details

#payload ⇒ Object (readonly)

Returns the value of attribute payload.



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# File 'lib/rserve/rexp/string.rb', line 4

def payload
  @payload
end

Instance Method Details

#as_strings ⇒ Object 



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# File 'lib/rserve/rexp/string.rb', line 21

def as_strings
  @payload
end

#length ⇒ Object 



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# File 'lib/rserve/rexp/string.rb', line 15

def length
  payload.length
end

#na?(value = nil) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/rserve/rexp/string.rb', line 25

def na?(value=nil)
  if value.nil?
    @payload.map {|v| NA.include? v}
  else
    NA.include? value
  end
end

#string? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/rserve/rexp/string.rb', line 18

def string?
  true
end

#to_debug_string ⇒ Object 



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# File 'lib/rserve/rexp/string.rb', line 32

def to_debug_string
  t=super
  t << "{"  << @payload.map(&:to_s).join(",") << "}"
end