Class: Eletro::Capacitor

Inherits:
Part
  • Object
show all
Includes:
ColorCode
Defined in:
lib/eletro/capacitor.rb

Constant Summary

Constants included from ColorCode

Eletro::ColorCode::CODE, Eletro::ColorCode::COLORS, Eletro::ColorCode::PRECISION

Instance Attribute Summary collapse

Attributes included from ColorCode

#color

Attributes inherited from Part

#i, #p0, #p1, #v, #value

Instance Method Summary collapse

Methods included from ColorCode

#bold, #calc, #color2value, #parse_color_code, #rgblize, #value2color

Methods inherited from Part

#*, #+, #-, #/, #abs, #coerce, #method_missing, #round, #to_f, #to_i, #to_s

Constructor Details

#initialize(*args) ⇒ Capacitor

Returns a new instance of Capacitor.



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# File 'lib/eletro/capacitor.rb', line 11

def initialize(*args)
  parse_color_code(args.join)
end

Dynamic Method Handling

This class handles dynamic methods through the method_missing method in the class Eletro::Part

Instance Attribute Details

#polarized ⇒ Object

Returns the value of attribute polarized.



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# File 'lib/eletro/capacitor.rb', line 7

def polarized
  @polarized
end

Instance Method Details

#format ⇒ Object 



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# File 'lib/eletro/capacitor.rb', line 34

def format
  m = 'p'
  mult.keys.reverse.each do |k|
    m = k if value >= mult[k]
  end
  out = "%g#{m}#{unit}" %  (value/mult[m]) #.round
  out += " ± #{@precision}%" if @precision
  out
end

#mult ⇒ Object 



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# File 'lib/eletro/capacitor.rb', line 30

def mult
  { 'u' => 10e-6, 'n' => 10e-9, 'p' => 10e-12 }
end

#parse(txt) ⇒ Object 



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# File 'lib/eletro/capacitor.rb', line 15

def parse txt
  if m = txt.match(/#{mult.keys.join('|')}/)
    txt.gsub!(/#{m[0]}/, ".")
    m = mult[m[0]]
  else
    st, nd, m = txt.split(//)
    m = m.to_i #(10**-(m.to_i))
  end
  ("#{st}#{nd}#{'0' * m}").to_f * mult['p']
end

#polarized? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/eletro/capacitor.rb', line 44

def polarized?
  !!@polarized
end

#unit ⇒ Object 



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# File 'lib/eletro/capacitor.rb', line 26

def unit
  "F"
end