Class: Renamr::RemoveAction

Inherits:
Action
  • Object
show all
Defined in:
lib/renamr/remove.rb

Overview

Removes a substring by 1-based position and length.

Instance Method Summary collapse

Methods inherited from Action

#p2m, #set

Constructor Details

#initialize(pos, len) ⇒ RemoveAction

Returns a new instance of RemoveAction.



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# File 'lib/renamr/remove.rb', line 12

def initialize(pos, len)
  super()
  raise 'len cannot be nil.' if len.nil?
  raise 'len must be positive.' unless len.to_i.positive?
  raise 'pos cannot be nil.' if pos.nil?
  raise 'pos must be positive.' unless pos.to_i.positive?

  @pos = pos.to_i
  @len = len.to_i
end

Instance Method Details

#do(src) ⇒ Object 



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# File 'lib/renamr/remove.rb', line 23

def do(src)
  src[0...(@pos - 1)] + (src[(@pos - 1 + @len)..] || '')
end