Class: Lf::Filter::Label

Inherits:

Lf::Filter

Object
Lf::Filter
Lf::Filter::Label

show all

Defined in:: lib/lf/filter/label.rb

Constant Summary

Constants inherited from Lf::Filter

Instance Method Summary collapse

#apply(row) ⇒ Object
#initialize(arg) ⇒ Label constructor

A new instance of Label.

Methods inherited from Lf::Filter

[], []=, filter_alias, inherited, parse

Constructor Details

#initialize(arg) ⇒ `Label`

Returns a new instance of Label.



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# File 'lib/lf/filter/label.rb', line 2

def initialize(arg)
  @labels = arg.split(',').map(&:strip)
end

Instance Method Details

#apply(row) ⇒ `Object`

# File 'lib/lf/filter/label.rb', line 6

def apply(row)
  raw = row.reject do |key, _|
    !@labels.include?(key.to_s)
  end

  Lf::Row.new(raw)
end