Class: GFA::Field::NumArray

Inherits:
GFA::Field show all
Defined in:
lib/gfa/field/numarray.rb

Constant Summary collapse

CODE = 
:B
REGEX = 
/[cCsSiIf](,[-+]?[0-9]*\.?[0-9]+([eE][-+]?[0-9]+)?)+/
NATIVE_FUN = 
:to_a

Constants inherited from GFA::Field

CODES, TYPES

Instance Attribute Summary

Attributes inherited from GFA::Field

#value

Instance Method Summary collapse

Methods inherited from GFA::Field

#!~, #==, [], #code, code_class, #eql?, #hash, name_class, #native_fun, #regex, #to_native, #to_s, #type, #~

Constructor Details

#initialize(f) ⇒ NumArray

Returns a new instance of NumArray.



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# File 'lib/gfa/field/numarray.rb', line 6

def initialize(f)
  GFA.assert_format(f, regex, "Bad #{type}")
  @value = f
end

Instance Method Details

#array ⇒ Object Also known as: to_a 



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# File 'lib/gfa/field/numarray.rb', line 19

def array
  @array ||= value[2..-1].split(',').map(&modifier_fun)
end

#equivalent?(field) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/gfa/field/numarray.rb', line 38

def equivalent?(field)
  return true if eql?(field)

  if field.respond_to?(:to_a)
    field.to_a.map(&modifier_fun) == array
  elsif size == 1 && field.respond_to?(modifier_fun)
    field.send(modifier_fun) == first
  else
    false
  end
end

#modifier ⇒ Object 



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# File 'lib/gfa/field/numarray.rb', line 11

def modifier
  value[0]
end

#modifier_fun ⇒ Object 



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# File 'lib/gfa/field/numarray.rb', line 15

def modifier_fun
  modifier == 'f' ? :to_f : :to_i
end

#number_type ⇒ Object 



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# File 'lib/gfa/field/numarray.rb', line 29

def number_type
  {
    c: 'int8_t',   C: 'uint8_t',
    s: 'int16_t',  S: 'uint16_t',
    i: 'int32_t',  I: 'uint32_t',
    f: 'float'
  }[modifier.to_sym]
end